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alazhar
2020-01-02 23:02:57 +07:00
commit 4599c79723
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Benchmark Class
*
* This class enables you to mark points and calculate the time difference
* between them. Memory consumption can also be displayed.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/benchmark.html
*/
class CI_Benchmark {
/**
* List of all benchmark markers and when they were added
*
* @var array
*/
var $marker = array();
// --------------------------------------------------------------------
/**
* Set a benchmark marker
*
* Multiple calls to this function can be made so that several
* execution points can be timed
*
* @access public
* @param string $name name of the marker
* @return void
*/
function mark($name)
{
$this->marker[$name] = microtime();
}
// --------------------------------------------------------------------
/**
* Calculates the time difference between two marked points.
*
* If the first parameter is empty this function instead returns the
* {elapsed_time} pseudo-variable. This permits the full system
* execution time to be shown in a template. The output class will
* swap the real value for this variable.
*
* @access public
* @param string a particular marked point
* @param string a particular marked point
* @param integer the number of decimal places
* @return mixed
*/
function elapsed_time($point1 = '', $point2 = '', $decimals = 4)
{
if ($point1 == '')
{
return '{elapsed_time}';
}
if ( ! isset($this->marker[$point1]))
{
return '';
}
if ( ! isset($this->marker[$point2]))
{
$this->marker[$point2] = microtime();
}
list($sm, $ss) = explode(' ', $this->marker[$point1]);
list($em, $es) = explode(' ', $this->marker[$point2]);
return number_format(($em + $es) - ($sm + $ss), $decimals);
}
// --------------------------------------------------------------------
/**
* Memory Usage
*
* This function returns the {memory_usage} pseudo-variable.
* This permits it to be put it anywhere in a template
* without the memory being calculated until the end.
* The output class will swap the real value for this variable.
*
* @access public
* @return string
*/
function memory_usage()
{
return '{memory_usage}';
}
}
// END CI_Benchmark class
/* End of file Benchmark.php */
/* Location: ./system/core/Benchmark.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* System Initialization File
*
* Loads the base classes and executes the request.
*
* @package CodeIgniter
* @subpackage codeigniter
* @category Front-controller
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/
*/
/**
* CodeIgniter Version
*
* @var string
*
*/
define('CI_VERSION', '2.1.3');
/**
* CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
*
* @var boolean
*
*/
define('CI_CORE', FALSE);
/*
* ------------------------------------------------------
* Load the global functions
* ------------------------------------------------------
*/
require(BASEPATH.'core/Common.php');
/*
* ------------------------------------------------------
* Load the framework constants
* ------------------------------------------------------
*/
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
{
require(APPPATH.'config/'.ENVIRONMENT.'/constants.php');
}
else
{
require(APPPATH.'config/constants.php');
}
/*
* ------------------------------------------------------
* Define a custom error handler so we can log PHP errors
* ------------------------------------------------------
*/
set_error_handler('_exception_handler');
if ( ! is_php('5.3'))
{
@set_magic_quotes_runtime(0); // Kill magic quotes
}
/*
* ------------------------------------------------------
* Set the subclass_prefix
* ------------------------------------------------------
*
* Normally the "subclass_prefix" is set in the config file.
* The subclass prefix allows CI to know if a core class is
* being extended via a library in the local application
* "libraries" folder. Since CI allows config items to be
* overriden via data set in the main index. php file,
* before proceeding we need to know if a subclass_prefix
* override exists. If so, we will set this value now,
* before any classes are loaded
* Note: Since the config file data is cached it doesn't
* hurt to load it here.
*/
if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '')
{
get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
}
/*
* ------------------------------------------------------
* Set a liberal script execution time limit
* ------------------------------------------------------
*/
if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
{
@set_time_limit(300);
}
/*
* ------------------------------------------------------
* Start the timer... tick tock tick tock...
* ------------------------------------------------------
*/
$BM =& load_class('Benchmark', 'core');
$BM->mark('total_execution_time_start');
$BM->mark('loading_time:_base_classes_start');
/*
* ------------------------------------------------------
* Instantiate the hooks class
* ------------------------------------------------------
*/
$EXT =& load_class('Hooks', 'core');
/*
* ------------------------------------------------------
* Is there a "pre_system" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('pre_system');
/*
* ------------------------------------------------------
* Instantiate the config class
* ------------------------------------------------------
*/
$CFG =& load_class('Config', 'core');
// Do we have any manually set config items in the index.php file?
if (isset($assign_to_config))
{
$CFG->_assign_to_config($assign_to_config);
}
/*
* ------------------------------------------------------
* Instantiate the UTF-8 class
* ------------------------------------------------------
*
* Note: Order here is rather important as the UTF-8
* class needs to be used very early on, but it cannot
* properly determine if UTf-8 can be supported until
* after the Config class is instantiated.
*
*/
$UNI =& load_class('Utf8', 'core');
/*
* ------------------------------------------------------
* Instantiate the URI class
* ------------------------------------------------------
*/
$URI =& load_class('URI', 'core');
/*
* ------------------------------------------------------
* Instantiate the routing class and set the routing
* ------------------------------------------------------
*/
$RTR =& load_class('Router', 'core');
$RTR->_set_routing();
// Set any routing overrides that may exist in the main index file
if (isset($routing))
{
$RTR->_set_overrides($routing);
}
/*
* ------------------------------------------------------
* Instantiate the output class
* ------------------------------------------------------
*/
$OUT =& load_class('Output', 'core');
/*
* ------------------------------------------------------
* Is there a valid cache file? If so, we're done...
* ------------------------------------------------------
*/
if ($EXT->_call_hook('cache_override') === FALSE)
{
if ($OUT->_display_cache($CFG, $URI) == TRUE)
{
exit;
}
}
/*
* -----------------------------------------------------
* Load the security class for xss and csrf support
* -----------------------------------------------------
*/
$SEC =& load_class('Security', 'core');
/*
* ------------------------------------------------------
* Load the Input class and sanitize globals
* ------------------------------------------------------
*/
$IN =& load_class('Input', 'core');
/*
* ------------------------------------------------------
* Load the Language class
* ------------------------------------------------------
*/
$LANG =& load_class('Lang', 'core');
/*
* ------------------------------------------------------
* Load the app controller and local controller
* ------------------------------------------------------
*
*/
// Load the base controller class
require BASEPATH.'core/Controller.php';
function &get_instance()
{
return CI_Controller::get_instance();
}
if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'))
{
require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';
}
// Load the local application controller
// Note: The Router class automatically validates the controller path using the router->_validate_request().
// If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php'))
{
show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
}
include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php');
// Set a mark point for benchmarking
$BM->mark('loading_time:_base_classes_end');
/*
* ------------------------------------------------------
* Security check
* ------------------------------------------------------
*
* None of the functions in the app controller or the
* loader class can be called via the URI, nor can
* controller functions that begin with an underscore
*/
$class = $RTR->fetch_class();
$method = $RTR->fetch_method();
if ( ! class_exists($class)
OR strncmp($method, '_', 1) == 0
OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))
)
{
if ( ! empty($RTR->routes['404_override']))
{
$x = explode('/', $RTR->routes['404_override']);
$class = $x[0];
$method = (isset($x[1]) ? $x[1] : 'index');
if ( ! class_exists($class))
{
if ( ! file_exists(APPPATH.'controllers/'.$class.'.php'))
{
show_404("{$class}/{$method}");
}
include_once(APPPATH.'controllers/'.$class.'.php');
}
}
else
{
show_404("{$class}/{$method}");
}
}
/*
* ------------------------------------------------------
* Is there a "pre_controller" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('pre_controller');
/*
* ------------------------------------------------------
* Instantiate the requested controller
* ------------------------------------------------------
*/
// Mark a start point so we can benchmark the controller
$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
$CI = new $class();
/*
* ------------------------------------------------------
* Is there a "post_controller_constructor" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('post_controller_constructor');
/*
* ------------------------------------------------------
* Call the requested method
* ------------------------------------------------------
*/
// Is there a "remap" function? If so, we call it instead
if (method_exists($CI, '_remap'))
{
$CI->_remap($method, array_slice($URI->rsegments, 2));
}
else
{
// is_callable() returns TRUE on some versions of PHP 5 for private and protected
// methods, so we'll use this workaround for consistent behavior
if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))
{
// Check and see if we are using a 404 override and use it.
if ( ! empty($RTR->routes['404_override']))
{
$x = explode('/', $RTR->routes['404_override']);
$class = $x[0];
$method = (isset($x[1]) ? $x[1] : 'index');
if ( ! class_exists($class))
{
if ( ! file_exists(APPPATH.'controllers/'.$class.'.php'))
{
show_404("{$class}/{$method}");
}
include_once(APPPATH.'controllers/'.$class.'.php');
unset($CI);
$CI = new $class();
}
}
else
{
show_404("{$class}/{$method}");
}
}
// Call the requested method.
// Any URI segments present (besides the class/function) will be passed to the method for convenience
call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));
}
// Mark a benchmark end point
$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
/*
* ------------------------------------------------------
* Is there a "post_controller" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('post_controller');
/*
* ------------------------------------------------------
* Send the final rendered output to the browser
* ------------------------------------------------------
*/
if ($EXT->_call_hook('display_override') === FALSE)
{
$OUT->_display();
}
/*
* ------------------------------------------------------
* Is there a "post_system" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('post_system');
/*
* ------------------------------------------------------
* Close the DB connection if one exists
* ------------------------------------------------------
*/
if (class_exists('CI_DB') AND isset($CI->db))
{
$CI->db->close();
}
/* End of file CodeIgniter.php */
/* Location: ./system/core/CodeIgniter.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Common Functions
*
* Loads the base classes and executes the request.
*
* @package CodeIgniter
* @subpackage codeigniter
* @category Common Functions
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/
*/
// ------------------------------------------------------------------------
/**
* Determines if the current version of PHP is greater then the supplied value
*
* Since there are a few places where we conditionally test for PHP > 5
* we'll set a static variable.
*
* @access public
* @param string
* @return bool TRUE if the current version is $version or higher
*/
if ( ! function_exists('is_php'))
{
function is_php($version = '5.0.0')
{
static $_is_php;
$version = (string)$version;
if ( ! isset($_is_php[$version]))
{
$_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE;
}
return $_is_php[$version];
}
}
// ------------------------------------------------------------------------
/**
* Tests for file writability
*
* is_writable() returns TRUE on Windows servers when you really can't write to
* the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
* @access private
* @return void
*/
if ( ! function_exists('is_really_writable'))
{
function is_really_writable($file)
{
// If we're on a Unix server with safe_mode off we call is_writable
if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE)
{
return is_writable($file);
}
// For windows servers and safe_mode "on" installations we'll actually
// write a file then read it. Bah...
if (is_dir($file))
{
$file = rtrim($file, '/').'/'.md5(mt_rand(1,100).mt_rand(1,100));
if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
{
return FALSE;
}
fclose($fp);
@chmod($file, DIR_WRITE_MODE);
@unlink($file);
return TRUE;
}
elseif ( ! is_file($file) OR ($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE)
{
return FALSE;
}
fclose($fp);
return TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Class registry
*
* This function acts as a singleton. If the requested class does not
* exist it is instantiated and set to a static variable. If it has
* previously been instantiated the variable is returned.
*
* @access public
* @param string the class name being requested
* @param string the directory where the class should be found
* @param string the class name prefix
* @return object
*/
if ( ! function_exists('load_class'))
{
function &load_class($class, $directory = 'libraries', $prefix = 'CI_')
{
static $_classes = array();
// Does the class exist? If so, we're done...
if (isset($_classes[$class]))
{
return $_classes[$class];
}
$name = FALSE;
// Look for the class first in the local application/libraries folder
// then in the native system/libraries folder
foreach (array(APPPATH, BASEPATH) as $path)
{
if (file_exists($path.$directory.'/'.$class.'.php'))
{
$name = $prefix.$class;
if (class_exists($name) === FALSE)
{
require($path.$directory.'/'.$class.'.php');
}
break;
}
}
// Is the request a class extension? If so we load it too
if (file_exists(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php'))
{
$name = config_item('subclass_prefix').$class;
if (class_exists($name) === FALSE)
{
require(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php');
}
}
// Did we find the class?
if ($name === FALSE)
{
// Note: We use exit() rather then show_error() in order to avoid a
// self-referencing loop with the Excptions class
exit('Unable to locate the specified class: '.$class.'.php');
}
// Keep track of what we just loaded
is_loaded($class);
$_classes[$class] = new $name();
return $_classes[$class];
}
}
// --------------------------------------------------------------------
/**
* Keeps track of which libraries have been loaded. This function is
* called by the load_class() function above
*
* @access public
* @return array
*/
if ( ! function_exists('is_loaded'))
{
function &is_loaded($class = '')
{
static $_is_loaded = array();
if ($class != '')
{
$_is_loaded[strtolower($class)] = $class;
}
return $_is_loaded;
}
}
// ------------------------------------------------------------------------
/**
* Loads the main config.php file
*
* This function lets us grab the config file even if the Config class
* hasn't been instantiated yet
*
* @access private
* @return array
*/
if ( ! function_exists('get_config'))
{
function &get_config($replace = array())
{
static $_config;
if (isset($_config))
{
return $_config[0];
}
// Is the config file in the environment folder?
if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/config.php'))
{
$file_path = APPPATH.'config/config.php';
}
// Fetch the config file
if ( ! file_exists($file_path))
{
exit('The configuration file does not exist.');
}
require($file_path);
// Does the $config array exist in the file?
if ( ! isset($config) OR ! is_array($config))
{
exit('Your config file does not appear to be formatted correctly.');
}
// Are any values being dynamically replaced?
if (count($replace) > 0)
{
foreach ($replace as $key => $val)
{
if (isset($config[$key]))
{
$config[$key] = $val;
}
}
}
return $_config[0] =& $config;
}
}
// ------------------------------------------------------------------------
/**
* Returns the specified config item
*
* @access public
* @return mixed
*/
if ( ! function_exists('config_item'))
{
function config_item($item)
{
static $_config_item = array();
if ( ! isset($_config_item[$item]))
{
$config =& get_config();
if ( ! isset($config[$item]))
{
return FALSE;
}
$_config_item[$item] = $config[$item];
}
return $_config_item[$item];
}
}
// ------------------------------------------------------------------------
/**
* Error Handler
*
* This function lets us invoke the exception class and
* display errors using the standard error template located
* in application/errors/errors.php
* This function will send the error page directly to the
* browser and exit.
*
* @access public
* @return void
*/
if ( ! function_exists('show_error'))
{
function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
{
$_error =& load_class('Exceptions', 'core');
echo $_error->show_error($heading, $message, 'error_general', $status_code);
exit;
}
}
// ------------------------------------------------------------------------
/**
* 404 Page Handler
*
* This function is similar to the show_error() function above
* However, instead of the standard error template it displays
* 404 errors.
*
* @access public
* @return void
*/
if ( ! function_exists('show_404'))
{
function show_404($page = '', $log_error = TRUE)
{
$_error =& load_class('Exceptions', 'core');
$_error->show_404($page, $log_error);
exit;
}
}
// ------------------------------------------------------------------------
/**
* Error Logging Interface
*
* We use this as a simple mechanism to access the logging
* class and send messages to be logged.
*
* @access public
* @return void
*/
if ( ! function_exists('log_message'))
{
function log_message($level = 'error', $message, $php_error = FALSE)
{
static $_log;
if (config_item('log_threshold') == 0)
{
return;
}
$_log =& load_class('Log');
$_log->write_log($level, $message, $php_error);
}
}
// ------------------------------------------------------------------------
/**
* Set HTTP Status Header
*
* @access public
* @param int the status code
* @param string
* @return void
*/
if ( ! function_exists('set_status_header'))
{
function set_status_header($code = 200, $text = '')
{
$stati = array(
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported'
);
if ($code == '' OR ! is_numeric($code))
{
show_error('Status codes must be numeric', 500);
}
if (isset($stati[$code]) AND $text == '')
{
$text = $stati[$code];
}
if ($text == '')
{
show_error('No status text available. Please check your status code number or supply your own message text.', 500);
}
$server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE;
if (substr(php_sapi_name(), 0, 3) == 'cgi')
{
header("Status: {$code} {$text}", TRUE);
}
elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0')
{
header($server_protocol." {$code} {$text}", TRUE, $code);
}
else
{
header("HTTP/1.1 {$code} {$text}", TRUE, $code);
}
}
}
// --------------------------------------------------------------------
/**
* Exception Handler
*
* This is the custom exception handler that is declaired at the top
* of Codeigniter.php. The main reason we use this is to permit
* PHP errors to be logged in our own log files since the user may
* not have access to server logs. Since this function
* effectively intercepts PHP errors, however, we also need
* to display errors based on the current error_reporting level.
* We do that with the use of a PHP error template.
*
* @access private
* @return void
*/
if ( ! function_exists('_exception_handler'))
{
function _exception_handler($severity, $message, $filepath, $line)
{
// We don't bother with "strict" notices since they tend to fill up
// the log file with excess information that isn't normally very helpful.
// For example, if you are running PHP 5 and you use version 4 style
// class functions (without prefixes like "public", "private", etc.)
// you'll get notices telling you that these have been deprecated.
if ($severity == E_STRICT)
{
return;
}
$_error =& load_class('Exceptions', 'core');
// Should we display the error? We'll get the current error_reporting
// level and add its bits with the severity bits to find out.
if (($severity & error_reporting()) == $severity)
{
$_error->show_php_error($severity, $message, $filepath, $line);
}
// Should we log the error? No? We're done...
if (config_item('log_threshold') == 0)
{
return;
}
$_error->log_exception($severity, $message, $filepath, $line);
}
}
// --------------------------------------------------------------------
/**
* Remove Invisible Characters
*
* This prevents sandwiching null characters
* between ascii characters, like Java\0script.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('remove_invisible_characters'))
{
function remove_invisible_characters($str, $url_encoded = TRUE)
{
$non_displayables = array();
// every control character except newline (dec 10)
// carriage return (dec 13), and horizontal tab (dec 09)
if ($url_encoded)
{
$non_displayables[] = '/%0[0-8bcef]/'; // url encoded 00-08, 11, 12, 14, 15
$non_displayables[] = '/%1[0-9a-f]/'; // url encoded 16-31
}
$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; // 00-08, 11, 12, 14-31, 127
do
{
$str = preg_replace($non_displayables, '', $str, -1, $count);
}
while ($count);
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Returns HTML escaped variable
*
* @access public
* @param mixed
* @return mixed
*/
if ( ! function_exists('html_escape'))
{
function html_escape($var)
{
if (is_array($var))
{
return array_map('html_escape', $var);
}
else
{
return htmlspecialchars($var, ENT_QUOTES, config_item('charset'));
}
}
}
/* End of file Common.php */
/* Location: ./system/core/Common.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Config Class
*
* This class contains functions that enable config files to be managed
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/config.html
*/
class CI_Config {
/**
* List of all loaded config values
*
* @var array
*/
var $config = array();
/**
* List of all loaded config files
*
* @var array
*/
var $is_loaded = array();
/**
* List of paths to search when trying to load a config file
*
* @var array
*/
var $_config_paths = array(APPPATH);
/**
* Constructor
*
* Sets the $config data from the primary config.php file as a class variable
*
* @access public
* @param string the config file name
* @param boolean if configuration values should be loaded into their own section
* @param boolean true if errors should just return false, false if an error message should be displayed
* @return boolean if the file was successfully loaded or not
*/
function __construct()
{
$this->config =& get_config();
log_message('debug', "Config Class Initialized");
// Set the base_url automatically if none was provided
if ($this->config['base_url'] == '')
{
if (isset($_SERVER['HTTP_HOST']))
{
$base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
$base_url .= '://'. $_SERVER['HTTP_HOST'];
$base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
}
else
{
$base_url = 'http://localhost/';
}
$this->set_item('base_url', $base_url);
}
}
// --------------------------------------------------------------------
/**
* Load Config File
*
* @access public
* @param string the config file name
* @param boolean if configuration values should be loaded into their own section
* @param boolean true if errors should just return false, false if an error message should be displayed
* @return boolean if the file was loaded correctly
*/
function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$file = ($file == '') ? 'config' : str_replace('.php', '', $file);
$found = FALSE;
$loaded = FALSE;
$check_locations = defined('ENVIRONMENT')
? array(ENVIRONMENT.'/'.$file, $file)
: array($file);
foreach ($this->_config_paths as $path)
{
foreach ($check_locations as $location)
{
$file_path = $path.'config/'.$location.'.php';
if (in_array($file_path, $this->is_loaded, TRUE))
{
$loaded = TRUE;
continue 2;
}
if (file_exists($file_path))
{
$found = TRUE;
break;
}
}
if ($found === FALSE)
{
continue;
}
include($file_path);
if ( ! isset($config) OR ! is_array($config))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.');
}
if ($use_sections === TRUE)
{
if (isset($this->config[$file]))
{
$this->config[$file] = array_merge($this->config[$file], $config);
}
else
{
$this->config[$file] = $config;
}
}
else
{
$this->config = array_merge($this->config, $config);
}
$this->is_loaded[] = $file_path;
unset($config);
$loaded = TRUE;
log_message('debug', 'Config file loaded: '.$file_path);
break;
}
if ($loaded === FALSE)
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('The configuration file '.$file.'.php does not exist.');
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item
*
*
* @access public
* @param string the config item name
* @param string the index name
* @param bool
* @return string
*/
function item($item, $index = '')
{
if ($index == '')
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
$pref = $this->config[$item];
}
else
{
if ( ! isset($this->config[$index]))
{
return FALSE;
}
if ( ! isset($this->config[$index][$item]))
{
return FALSE;
}
$pref = $this->config[$index][$item];
}
return $pref;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item - adds slash after item (if item is not empty)
*
* @access public
* @param string the config item name
* @param bool
* @return string
*/
function slash_item($item)
{
if ( ! isset($this->config[$item]))
{
return FALSE;
}
if( trim($this->config[$item]) == '')
{
return '';
}
return rtrim($this->config[$item], '/').'/';
}
// --------------------------------------------------------------------
/**
* Site URL
* Returns base_url . index_page [. uri_string]
*
* @access public
* @param string the URI string
* @return string
*/
function site_url($uri = '')
{
if ($uri == '')
{
return $this->slash_item('base_url').$this->item('index_page');
}
if ($this->item('enable_query_strings') == FALSE)
{
$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
return $this->slash_item('base_url').$this->slash_item('index_page').$this->_uri_string($uri).$suffix;
}
else
{
return $this->slash_item('base_url').$this->item('index_page').'?'.$this->_uri_string($uri);
}
}
// -------------------------------------------------------------
/**
* Base URL
* Returns base_url [. uri_string]
*
* @access public
* @param string $uri
* @return string
*/
function base_url($uri = '')
{
return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/');
}
// -------------------------------------------------------------
/**
* Build URI string for use in Config::site_url() and Config::base_url()
*
* @access protected
* @param $uri
* @return string
*/
protected function _uri_string($uri)
{
if ($this->item('enable_query_strings') == FALSE)
{
if (is_array($uri))
{
$uri = implode('/', $uri);
}
$uri = trim($uri, '/');
}
else
{
if (is_array($uri))
{
$i = 0;
$str = '';
foreach ($uri as $key => $val)
{
$prefix = ($i == 0) ? '' : '&';
$str .= $prefix.$key.'='.$val;
$i++;
}
$uri = $str;
}
}
return $uri;
}
// --------------------------------------------------------------------
/**
* System URL
*
* @access public
* @return string
*/
function system_url()
{
$x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));
return $this->slash_item('base_url').end($x).'/';
}
// --------------------------------------------------------------------
/**
* Set a config file item
*
* @access public
* @param string the config item key
* @param string the config item value
* @return void
*/
function set_item($item, $value)
{
$this->config[$item] = $value;
}
// --------------------------------------------------------------------
/**
* Assign to Config
*
* This function is called by the front controller (CodeIgniter.php)
* after the Config class is instantiated. It permits config items
* to be assigned or overriden by variables contained in the index.php file
*
* @access private
* @param array
* @return void
*/
function _assign_to_config($items = array())
{
if (is_array($items))
{
foreach ($items as $key => $val)
{
$this->set_item($key, $val);
}
}
}
}
// END CI_Config class
/* End of file Config.php */
/* Location: ./system/core/Config.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Application Controller Class
*
* This class object is the super class that every library in
* CodeIgniter will be assigned to.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/general/controllers.html
*/
class CI_Controller {
private static $instance;
/**
* Constructor
*/
public function __construct()
{
self::$instance =& $this;
// Assign all the class objects that were instantiated by the
// bootstrap file (CodeIgniter.php) to local class variables
// so that CI can run as one big super object.
foreach (is_loaded() as $var => $class)
{
$this->$var =& load_class($class);
}
$this->load =& load_class('Loader', 'core');
$this->load->initialize();
log_message('debug', "Controller Class Initialized");
}
public static function &get_instance()
{
return self::$instance;
}
}
// END Controller class
/* End of file Controller.php */
/* Location: ./system/core/Controller.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Exceptions Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Exceptions
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/exceptions.html
*/
class CI_Exceptions {
var $action;
var $severity;
var $message;
var $filename;
var $line;
/**
* Nesting level of the output buffering mechanism
*
* @var int
* @access public
*/
var $ob_level;
/**
* List if available error levels
*
* @var array
* @access public
*/
var $levels = array(
E_ERROR => 'Error',
E_WARNING => 'Warning',
E_PARSE => 'Parsing Error',
E_NOTICE => 'Notice',
E_CORE_ERROR => 'Core Error',
E_CORE_WARNING => 'Core Warning',
E_COMPILE_ERROR => 'Compile Error',
E_COMPILE_WARNING => 'Compile Warning',
E_USER_ERROR => 'User Error',
E_USER_WARNING => 'User Warning',
E_USER_NOTICE => 'User Notice',
E_STRICT => 'Runtime Notice'
);
/**
* Constructor
*/
public function __construct()
{
$this->ob_level = ob_get_level();
// Note: Do not log messages from this constructor.
}
// --------------------------------------------------------------------
/**
* Exception Logger
*
* This function logs PHP generated error messages
*
* @access private
* @param string the error severity
* @param string the error string
* @param string the error filepath
* @param string the error line number
* @return string
*/
function log_exception($severity, $message, $filepath, $line)
{
$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE);
}
// --------------------------------------------------------------------
/**
* 404 Page Not Found Handler
*
* @access private
* @param string the page
* @param bool log error yes/no
* @return string
*/
function show_404($page = '', $log_error = TRUE)
{
$heading = "404 Page Not Found";
$message = "The page you requested was not found.";
// By default we log this, but allow a dev to skip it
if ($log_error)
{
log_message('error', '404 Page Not Found --> '.$page);
}
echo $this->show_error($heading, $message, 'error_404', 404);
exit;
}
// --------------------------------------------------------------------
/**
* General Error Page
*
* This function takes an error message as input
* (either as a string or an array) and displays
* it using the specified template.
*
* @access private
* @param string the heading
* @param string the message
* @param string the template name
* @param int the status code
* @return string
*/
function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
set_status_header($status_code);
$message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include(APPPATH.'errors/'.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
// --------------------------------------------------------------------
/**
* Native PHP error handler
*
* @access private
* @param string the error severity
* @param string the error string
* @param string the error filepath
* @param string the error line number
* @return string
*/
function show_php_error($severity, $message, $filepath, $line)
{
$severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
$filepath = str_replace("\\", "/", $filepath);
// For safety reasons we do not show the full file path
if (FALSE !== strpos($filepath, '/'))
{
$x = explode('/', $filepath);
$filepath = $x[count($x)-2].'/'.end($x);
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include(APPPATH.'errors/error_php.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
}
// END Exceptions Class
/* End of file Exceptions.php */
/* Location: ./system/core/Exceptions.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Hooks Class
*
* Provides a mechanism to extend the base system without hacking.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/encryption.html
*/
class CI_Hooks {
/**
* Determines wether hooks are enabled
*
* @var bool
*/
var $enabled = FALSE;
/**
* List of all hooks set in config/hooks.php
*
* @var array
*/
var $hooks = array();
/**
* Determines wether hook is in progress, used to prevent infinte loops
*
* @var bool
*/
var $in_progress = FALSE;
/**
* Constructor
*
*/
function __construct()
{
$this->_initialize();
log_message('debug', "Hooks Class Initialized");
}
// --------------------------------------------------------------------
/**
* Initialize the Hooks Preferences
*
* @access private
* @return void
*/
function _initialize()
{
$CFG =& load_class('Config', 'core');
// If hooks are not enabled in the config file
// there is nothing else to do
if ($CFG->item('enable_hooks') == FALSE)
{
return;
}
// Grab the "hooks" definition file.
// If there are no hooks, we're done.
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php');
}
elseif (is_file(APPPATH.'config/hooks.php'))
{
include(APPPATH.'config/hooks.php');
}
if ( ! isset($hook) OR ! is_array($hook))
{
return;
}
$this->hooks =& $hook;
$this->enabled = TRUE;
}
// --------------------------------------------------------------------
/**
* Call Hook
*
* Calls a particular hook
*
* @access private
* @param string the hook name
* @return mixed
*/
function _call_hook($which = '')
{
if ( ! $this->enabled OR ! isset($this->hooks[$which]))
{
return FALSE;
}
if (isset($this->hooks[$which][0]) AND is_array($this->hooks[$which][0]))
{
foreach ($this->hooks[$which] as $val)
{
$this->_run_hook($val);
}
}
else
{
$this->_run_hook($this->hooks[$which]);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Run Hook
*
* Runs a particular hook
*
* @access private
* @param array the hook details
* @return bool
*/
function _run_hook($data)
{
if ( ! is_array($data))
{
return FALSE;
}
// -----------------------------------
// Safety - Prevents run-away loops
// -----------------------------------
// If the script being called happens to have the same
// hook call within it a loop can happen
if ($this->in_progress == TRUE)
{
return;
}
// -----------------------------------
// Set file path
// -----------------------------------
if ( ! isset($data['filepath']) OR ! isset($data['filename']))
{
return FALSE;
}
$filepath = APPPATH.$data['filepath'].'/'.$data['filename'];
if ( ! file_exists($filepath))
{
return FALSE;
}
// -----------------------------------
// Set class/function name
// -----------------------------------
$class = FALSE;
$function = FALSE;
$params = '';
if (isset($data['class']) AND $data['class'] != '')
{
$class = $data['class'];
}
if (isset($data['function']))
{
$function = $data['function'];
}
if (isset($data['params']))
{
$params = $data['params'];
}
if ($class === FALSE AND $function === FALSE)
{
return FALSE;
}
// -----------------------------------
// Set the in_progress flag
// -----------------------------------
$this->in_progress = TRUE;
// -----------------------------------
// Call the requested class and/or function
// -----------------------------------
if ($class !== FALSE)
{
if ( ! class_exists($class))
{
require($filepath);
}
$HOOK = new $class;
$HOOK->$function($params);
}
else
{
if ( ! function_exists($function))
{
require($filepath);
}
$function($params);
}
$this->in_progress = FALSE;
return TRUE;
}
}
// END CI_Hooks class
/* End of file Hooks.php */
/* Location: ./system/core/Hooks.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Input Class
*
* Pre-processes global input data for security
*
* @package CodeIgniter
* @subpackage Libraries
* @category Input
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/input.html
*/
class CI_Input {
/**
* IP address of the current user
*
* @var string
*/
var $ip_address = FALSE;
/**
* user agent (web browser) being used by the current user
*
* @var string
*/
var $user_agent = FALSE;
/**
* If FALSE, then $_GET will be set to an empty array
*
* @var bool
*/
var $_allow_get_array = TRUE;
/**
* If TRUE, then newlines are standardized
*
* @var bool
*/
var $_standardize_newlines = TRUE;
/**
* Determines whether the XSS filter is always active when GET, POST or COOKIE data is encountered
* Set automatically based on config setting
*
* @var bool
*/
var $_enable_xss = FALSE;
/**
* Enables a CSRF cookie token to be set.
* Set automatically based on config setting
*
* @var bool
*/
var $_enable_csrf = FALSE;
/**
* List of all HTTP request headers
*
* @var array
*/
protected $headers = array();
/**
* Constructor
*
* Sets whether to globally enable the XSS processing
* and whether to allow the $_GET array
*
* @return void
*/
public function __construct()
{
log_message('debug', "Input Class Initialized");
$this->_allow_get_array = (config_item('allow_get_array') === TRUE);
$this->_enable_xss = (config_item('global_xss_filtering') === TRUE);
$this->_enable_csrf = (config_item('csrf_protection') === TRUE);
global $SEC;
$this->security =& $SEC;
// Do we need the UTF-8 class?
if (UTF8_ENABLED === TRUE)
{
global $UNI;
$this->uni =& $UNI;
}
// Sanitize global arrays
$this->_sanitize_globals();
}
// --------------------------------------------------------------------
/**
* Fetch from array
*
* This is a helper function to retrieve values from global arrays
*
* @access private
* @param array
* @param string
* @param bool
* @return string
*/
function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE)
{
if ( ! isset($array[$index]))
{
return FALSE;
}
if ($xss_clean === TRUE)
{
return $this->security->xss_clean($array[$index]);
}
return $array[$index];
}
// --------------------------------------------------------------------
/**
* Fetch an item from the GET array
*
* @access public
* @param string
* @param bool
* @return string
*/
function get($index = NULL, $xss_clean = FALSE)
{
// Check if a field has been provided
if ($index === NULL AND ! empty($_GET))
{
$get = array();
// loop through the full _GET array
foreach (array_keys($_GET) as $key)
{
$get[$key] = $this->_fetch_from_array($_GET, $key, $xss_clean);
}
return $get;
}
return $this->_fetch_from_array($_GET, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from the POST array
*
* @access public
* @param string
* @param bool
* @return string
*/
function post($index = NULL, $xss_clean = FALSE)
{
// Check if a field has been provided
if ($index === NULL AND ! empty($_POST))
{
$post = array();
// Loop through the full _POST array and return it
foreach (array_keys($_POST) as $key)
{
$post[$key] = $this->_fetch_from_array($_POST, $key, $xss_clean);
}
return $post;
}
return $this->_fetch_from_array($_POST, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from either the GET array or the POST
*
* @access public
* @param string The index key
* @param bool XSS cleaning
* @return string
*/
function get_post($index = '', $xss_clean = FALSE)
{
if ( ! isset($_POST[$index]) )
{
return $this->get($index, $xss_clean);
}
else
{
return $this->post($index, $xss_clean);
}
}
// --------------------------------------------------------------------
/**
* Fetch an item from the COOKIE array
*
* @access public
* @param string
* @param bool
* @return string
*/
function cookie($index = '', $xss_clean = FALSE)
{
return $this->_fetch_from_array($_COOKIE, $index, $xss_clean);
}
// ------------------------------------------------------------------------
/**
* Set cookie
*
* Accepts six parameter, or you can submit an associative
* array in the first parameter containing all the values.
*
* @access public
* @param mixed
* @param string the value of the cookie
* @param string the number of seconds until expiration
* @param string the cookie domain. Usually: .yourdomain.com
* @param string the cookie path
* @param string the cookie prefix
* @param bool true makes the cookie secure
* @return void
*/
function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE)
{
if (is_array($name))
{
// always leave 'name' in last place, as the loop will break otherwise, due to $$item
foreach (array('value', 'expire', 'domain', 'path', 'prefix', 'secure', 'name') as $item)
{
if (isset($name[$item]))
{
$$item = $name[$item];
}
}
}
if ($prefix == '' AND config_item('cookie_prefix') != '')
{
$prefix = config_item('cookie_prefix');
}
if ($domain == '' AND config_item('cookie_domain') != '')
{
$domain = config_item('cookie_domain');
}
if ($path == '/' AND config_item('cookie_path') != '/')
{
$path = config_item('cookie_path');
}
if ($secure == FALSE AND config_item('cookie_secure') != FALSE)
{
$secure = config_item('cookie_secure');
}
if ( ! is_numeric($expire))
{
$expire = time() - 86500;
}
else
{
$expire = ($expire > 0) ? time() + $expire : 0;
}
setcookie($prefix.$name, $value, $expire, $path, $domain, $secure);
}
// --------------------------------------------------------------------
/**
* Fetch an item from the SERVER array
*
* @access public
* @param string
* @param bool
* @return string
*/
function server($index = '', $xss_clean = FALSE)
{
return $this->_fetch_from_array($_SERVER, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch the IP Address
*
* @return string
*/
public function ip_address()
{
if ($this->ip_address !== FALSE)
{
return $this->ip_address;
}
$proxy_ips = config_item('proxy_ips');
if ( ! empty($proxy_ips))
{
$proxy_ips = explode(',', str_replace(' ', '', $proxy_ips));
foreach (array('HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'HTTP_X_CLIENT_IP', 'HTTP_X_CLUSTER_CLIENT_IP') as $header)
{
if (($spoof = $this->server($header)) !== FALSE)
{
// Some proxies typically list the whole chain of IP
// addresses through which the client has reached us.
// e.g. client_ip, proxy_ip1, proxy_ip2, etc.
if (strpos($spoof, ',') !== FALSE)
{
$spoof = explode(',', $spoof, 2);
$spoof = $spoof[0];
}
if ( ! $this->valid_ip($spoof))
{
$spoof = FALSE;
}
else
{
break;
}
}
}
$this->ip_address = ($spoof !== FALSE && in_array($_SERVER['REMOTE_ADDR'], $proxy_ips, TRUE))
? $spoof : $_SERVER['REMOTE_ADDR'];
}
else
{
$this->ip_address = $_SERVER['REMOTE_ADDR'];
}
if ( ! $this->valid_ip($this->ip_address))
{
$this->ip_address = '0.0.0.0';
}
return $this->ip_address;
}
// --------------------------------------------------------------------
/**
* Validate IP Address
*
* @access public
* @param string
* @param string ipv4 or ipv6
* @return bool
*/
public function valid_ip($ip, $which = '')
{
$which = strtolower($which);
// First check if filter_var is available
if (is_callable('filter_var'))
{
switch ($which) {
case 'ipv4':
$flag = FILTER_FLAG_IPV4;
break;
case 'ipv6':
$flag = FILTER_FLAG_IPV6;
break;
default:
$flag = '';
break;
}
return (bool) filter_var($ip, FILTER_VALIDATE_IP, $flag);
}
if ($which !== 'ipv6' && $which !== 'ipv4')
{
if (strpos($ip, ':') !== FALSE)
{
$which = 'ipv6';
}
elseif (strpos($ip, '.') !== FALSE)
{
$which = 'ipv4';
}
else
{
return FALSE;
}
}
$func = '_valid_'.$which;
return $this->$func($ip);
}
// --------------------------------------------------------------------
/**
* Validate IPv4 Address
*
* Updated version suggested by Geert De Deckere
*
* @access protected
* @param string
* @return bool
*/
protected function _valid_ipv4($ip)
{
$ip_segments = explode('.', $ip);
// Always 4 segments needed
if (count($ip_segments) !== 4)
{
return FALSE;
}
// IP can not start with 0
if ($ip_segments[0][0] == '0')
{
return FALSE;
}
// Check each segment
foreach ($ip_segments as $segment)
{
// IP segments must be digits and can not be
// longer than 3 digits or greater then 255
if ($segment == '' OR preg_match("/[^0-9]/", $segment) OR $segment > 255 OR strlen($segment) > 3)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Validate IPv6 Address
*
* @access protected
* @param string
* @return bool
*/
protected function _valid_ipv6($str)
{
// 8 groups, separated by :
// 0-ffff per group
// one set of consecutive 0 groups can be collapsed to ::
$groups = 8;
$collapsed = FALSE;
$chunks = array_filter(
preg_split('/(:{1,2})/', $str, NULL, PREG_SPLIT_DELIM_CAPTURE)
);
// Rule out easy nonsense
if (current($chunks) == ':' OR end($chunks) == ':')
{
return FALSE;
}
// PHP supports IPv4-mapped IPv6 addresses, so we'll expect those as well
if (strpos(end($chunks), '.') !== FALSE)
{
$ipv4 = array_pop($chunks);
if ( ! $this->_valid_ipv4($ipv4))
{
return FALSE;
}
$groups--;
}
while ($seg = array_pop($chunks))
{
if ($seg[0] == ':')
{
if (--$groups == 0)
{
return FALSE; // too many groups
}
if (strlen($seg) > 2)
{
return FALSE; // long separator
}
if ($seg == '::')
{
if ($collapsed)
{
return FALSE; // multiple collapsed
}
$collapsed = TRUE;
}
}
elseif (preg_match("/[^0-9a-f]/i", $seg) OR strlen($seg) > 4)
{
return FALSE; // invalid segment
}
}
return $collapsed OR $groups == 1;
}
// --------------------------------------------------------------------
/**
* User Agent
*
* @access public
* @return string
*/
function user_agent()
{
if ($this->user_agent !== FALSE)
{
return $this->user_agent;
}
$this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
return $this->user_agent;
}
// --------------------------------------------------------------------
/**
* Sanitize Globals
*
* This function does the following:
*
* Unsets $_GET data (if query strings are not enabled)
*
* Unsets all globals if register_globals is enabled
*
* Standardizes newline characters to \n
*
* @access private
* @return void
*/
function _sanitize_globals()
{
// It would be "wrong" to unset any of these GLOBALS.
$protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST',
'_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
'system_folder', 'application_folder', 'BM', 'EXT',
'CFG', 'URI', 'RTR', 'OUT', 'IN');
// Unset globals for securiy.
// This is effectively the same as register_globals = off
foreach (array($_GET, $_POST, $_COOKIE) as $global)
{
if ( ! is_array($global))
{
if ( ! in_array($global, $protected))
{
global $$global;
$$global = NULL;
}
}
else
{
foreach ($global as $key => $val)
{
if ( ! in_array($key, $protected))
{
global $$key;
$$key = NULL;
}
}
}
}
// Is $_GET data allowed? If not we'll set the $_GET to an empty array
if ($this->_allow_get_array == FALSE)
{
$_GET = array();
}
else
{
if (is_array($_GET) AND count($_GET) > 0)
{
foreach ($_GET as $key => $val)
{
$_GET[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
}
// Clean $_POST Data
if (is_array($_POST) AND count($_POST) > 0)
{
foreach ($_POST as $key => $val)
{
$_POST[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
// Clean $_COOKIE Data
if (is_array($_COOKIE) AND count($_COOKIE) > 0)
{
// Also get rid of specially treated cookies that might be set by a server
// or silly application, that are of no use to a CI application anyway
// but that when present will trip our 'Disallowed Key Characters' alarm
// http://www.ietf.org/rfc/rfc2109.txt
// note that the key names below are single quoted strings, and are not PHP variables
unset($_COOKIE['$Version']);
unset($_COOKIE['$Path']);
unset($_COOKIE['$Domain']);
foreach ($_COOKIE as $key => $val)
{
$_COOKIE[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
// Sanitize PHP_SELF
$_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']);
// CSRF Protection check on HTTP requests
if ($this->_enable_csrf == TRUE && ! $this->is_cli_request())
{
$this->security->csrf_verify();
}
log_message('debug', "Global POST and COOKIE data sanitized");
}
// --------------------------------------------------------------------
/**
* Clean Input Data
*
* This is a helper function. It escapes data and
* standardizes newline characters to \n
*
* @access private
* @param string
* @return string
*/
function _clean_input_data($str)
{
if (is_array($str))
{
$new_array = array();
foreach ($str as $key => $val)
{
$new_array[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
return $new_array;
}
/* We strip slashes if magic quotes is on to keep things consistent
NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and
it will probably not exist in future versions at all.
*/
if ( ! is_php('5.4') && get_magic_quotes_gpc())
{
$str = stripslashes($str);
}
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE)
{
$str = $this->uni->clean_string($str);
}
// Remove control characters
$str = remove_invisible_characters($str);
// Should we filter the input data?
if ($this->_enable_xss === TRUE)
{
$str = $this->security->xss_clean($str);
}
// Standardize newlines if needed
if ($this->_standardize_newlines == TRUE)
{
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r", "\r\n\n"), PHP_EOL, $str);
}
}
return $str;
}
// --------------------------------------------------------------------
/**
* Clean Keys
*
* This is a helper function. To prevent malicious users
* from trying to exploit keys we make sure that keys are
* only named with alpha-numeric text and a few other items.
*
* @access private
* @param string
* @return string
*/
function _clean_input_keys($str)
{
if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str))
{
exit('Disallowed Key Characters.');
}
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE)
{
$str = $this->uni->clean_string($str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Request Headers
*
* In Apache, you can simply call apache_request_headers(), however for
* people running other webservers the function is undefined.
*
* @param bool XSS cleaning
*
* @return array
*/
public function request_headers($xss_clean = FALSE)
{
// Look at Apache go!
if (function_exists('apache_request_headers'))
{
$headers = apache_request_headers();
}
else
{
$headers['Content-Type'] = (isset($_SERVER['CONTENT_TYPE'])) ? $_SERVER['CONTENT_TYPE'] : @getenv('CONTENT_TYPE');
foreach ($_SERVER as $key => $val)
{
if (strncmp($key, 'HTTP_', 5) === 0)
{
$headers[substr($key, 5)] = $this->_fetch_from_array($_SERVER, $key, $xss_clean);
}
}
}
// take SOME_HEADER and turn it into Some-Header
foreach ($headers as $key => $val)
{
$key = str_replace('_', ' ', strtolower($key));
$key = str_replace(' ', '-', ucwords($key));
$this->headers[$key] = $val;
}
return $this->headers;
}
// --------------------------------------------------------------------
/**
* Get Request Header
*
* Returns the value of a single member of the headers class member
*
* @param string array key for $this->headers
* @param boolean XSS Clean or not
* @return mixed FALSE on failure, string on success
*/
public function get_request_header($index, $xss_clean = FALSE)
{
if (empty($this->headers))
{
$this->request_headers();
}
if ( ! isset($this->headers[$index]))
{
return FALSE;
}
if ($xss_clean === TRUE)
{
return $this->security->xss_clean($this->headers[$index]);
}
return $this->headers[$index];
}
// --------------------------------------------------------------------
/**
* Is ajax Request?
*
* Test to see if a request contains the HTTP_X_REQUESTED_WITH header
*
* @return boolean
*/
public function is_ajax_request()
{
return ($this->server('HTTP_X_REQUESTED_WITH') === 'XMLHttpRequest');
}
// --------------------------------------------------------------------
/**
* Is cli Request?
*
* Test to see if a request was made from the command line
*
* @return bool
*/
public function is_cli_request()
{
return (php_sapi_name() === 'cli' OR defined('STDIN'));
}
}
/* End of file Input.php */
/* Location: ./system/core/Input.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Language Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Language
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/language.html
*/
class CI_Lang {
/**
* List of translations
*
* @var array
*/
var $language = array();
/**
* List of loaded language files
*
* @var array
*/
var $is_loaded = array();
/**
* Constructor
*
* @access public
*/
function __construct()
{
log_message('debug', "Language Class Initialized");
}
// --------------------------------------------------------------------
/**
* Load a language file
*
* @access public
* @param mixed the name of the language file to be loaded. Can be an array
* @param string the language (english, etc.)
* @param bool return loaded array of translations
* @param bool add suffix to $langfile
* @param string alternative path to look for language file
* @return mixed
*/
function load($langfile = '', $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
{
$langfile = str_replace('.php', '', $langfile);
if ($add_suffix == TRUE)
{
$langfile = str_replace('_lang.', '', $langfile).'_lang';
}
$langfile .= '.php';
if (in_array($langfile, $this->is_loaded, TRUE))
{
return;
}
$config =& get_config();
if ($idiom == '')
{
$deft_lang = ( ! isset($config['language'])) ? 'english' : $config['language'];
$idiom = ($deft_lang == '') ? 'english' : $deft_lang;
}
// Determine where the language file is and load it
if ($alt_path != '' && file_exists($alt_path.'language/'.$idiom.'/'.$langfile))
{
include($alt_path.'language/'.$idiom.'/'.$langfile);
}
else
{
$found = FALSE;
foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
{
if (file_exists($package_path.'language/'.$idiom.'/'.$langfile))
{
include($package_path.'language/'.$idiom.'/'.$langfile);
$found = TRUE;
break;
}
}
if ($found !== TRUE)
{
show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
}
}
if ( ! isset($lang))
{
log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
return;
}
if ($return == TRUE)
{
return $lang;
}
$this->is_loaded[] = $langfile;
$this->language = array_merge($this->language, $lang);
unset($lang);
log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Fetch a single line of text from the language array
*
* @access public
* @param string $line the language line
* @return string
*/
function line($line = '')
{
$value = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];
// Because killer robots like unicorns!
if ($value === FALSE)
{
log_message('error', 'Could not find the language line "'.$line.'"');
}
return $value;
}
}
// END Language Class
/* End of file Lang.php */
/* Location: ./system/core/Lang.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Model Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/config.html
*/
class CI_Model {
/**
* Constructor
*
* @access public
*/
function __construct()
{
log_message('debug', "Model Class Initialized");
}
/**
* __get
*
* Allows models to access CI's loaded classes using the same
* syntax as controllers.
*
* @param string
* @access private
*/
function __get($key)
{
$CI =& get_instance();
return $CI->$key;
}
}
// END Model Class
/* End of file Model.php */
/* Location: ./system/core/Model.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Output Class
*
* Responsible for sending final output to browser
*
* @package CodeIgniter
* @subpackage Libraries
* @category Output
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/output.html
*/
class CI_Output {
/**
* Current output string
*
* @var string
* @access protected
*/
protected $final_output;
/**
* Cache expiration time
*
* @var int
* @access protected
*/
protected $cache_expiration = 0;
/**
* List of server headers
*
* @var array
* @access protected
*/
protected $headers = array();
/**
* List of mime types
*
* @var array
* @access protected
*/
protected $mime_types = array();
/**
* Determines wether profiler is enabled
*
* @var book
* @access protected
*/
protected $enable_profiler = FALSE;
/**
* Determines if output compression is enabled
*
* @var bool
* @access protected
*/
protected $_zlib_oc = FALSE;
/**
* List of profiler sections
*
* @var array
* @access protected
*/
protected $_profiler_sections = array();
/**
* Whether or not to parse variables like {elapsed_time} and {memory_usage}
*
* @var bool
* @access protected
*/
protected $parse_exec_vars = TRUE;
/**
* Constructor
*
*/
function __construct()
{
$this->_zlib_oc = @ini_get('zlib.output_compression');
// Get mime types for later
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include APPPATH.'config/'.ENVIRONMENT.'/mimes.php';
}
else
{
include APPPATH.'config/mimes.php';
}
$this->mime_types = $mimes;
log_message('debug', "Output Class Initialized");
}
// --------------------------------------------------------------------
/**
* Get Output
*
* Returns the current output string
*
* @access public
* @return string
*/
function get_output()
{
return $this->final_output;
}
// --------------------------------------------------------------------
/**
* Set Output
*
* Sets the output string
*
* @access public
* @param string
* @return void
*/
function set_output($output)
{
$this->final_output = $output;
return $this;
}
// --------------------------------------------------------------------
/**
* Append Output
*
* Appends data onto the output string
*
* @access public
* @param string
* @return void
*/
function append_output($output)
{
if ($this->final_output == '')
{
$this->final_output = $output;
}
else
{
$this->final_output .= $output;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set Header
*
* Lets you set a server header which will be outputted with the final display.
*
* Note: If a file is cached, headers will not be sent. We need to figure out
* how to permit header data to be saved with the cache data...
*
* @access public
* @param string
* @param bool
* @return void
*/
function set_header($header, $replace = TRUE)
{
// If zlib.output_compression is enabled it will compress the output,
// but it will not modify the content-length header to compensate for
// the reduction, causing the browser to hang waiting for more data.
// We'll just skip content-length in those cases.
if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0)
{
return;
}
$this->headers[] = array($header, $replace);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Content Type Header
*
* @access public
* @param string extension of the file we're outputting
* @return void
*/
function set_content_type($mime_type)
{
if (strpos($mime_type, '/') === FALSE)
{
$extension = ltrim($mime_type, '.');
// Is this extension supported?
if (isset($this->mime_types[$extension]))
{
$mime_type =& $this->mime_types[$extension];
if (is_array($mime_type))
{
$mime_type = current($mime_type);
}
}
}
$header = 'Content-Type: '.$mime_type;
$this->headers[] = array($header, TRUE);
return $this;
}
// --------------------------------------------------------------------
/**
* Set HTTP Status Header
* moved to Common procedural functions in 1.7.2
*
* @access public
* @param int the status code
* @param string
* @return void
*/
function set_status_header($code = 200, $text = '')
{
set_status_header($code, $text);
return $this;
}
// --------------------------------------------------------------------
/**
* Enable/disable Profiler
*
* @access public
* @param bool
* @return void
*/
function enable_profiler($val = TRUE)
{
$this->enable_profiler = (is_bool($val)) ? $val : TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Profiler Sections
*
* Allows override of default / config settings for Profiler section display
*
* @access public
* @param array
* @return void
*/
function set_profiler_sections($sections)
{
foreach ($sections as $section => $enable)
{
$this->_profiler_sections[$section] = ($enable !== FALSE) ? TRUE : FALSE;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set Cache
*
* @access public
* @param integer
* @return void
*/
function cache($time)
{
$this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time;
return $this;
}
// --------------------------------------------------------------------
/**
* Display Output
*
* All "view" data is automatically put into this variable by the controller class:
*
* $this->final_output
*
* This function sends the finalized output data to the browser along
* with any server headers and profile data. It also stops the
* benchmark timer so the page rendering speed and memory usage can be shown.
*
* @access public
* @param string
* @return mixed
*/
function _display($output = '')
{
// Note: We use globals because we can't use $CI =& get_instance()
// since this function is sometimes called by the caching mechanism,
// which happens before the CI super object is available.
global $BM, $CFG;
// Grab the super object if we can.
if (class_exists('CI_Controller'))
{
$CI =& get_instance();
}
// --------------------------------------------------------------------
// Set the output data
if ($output == '')
{
$output =& $this->final_output;
}
// --------------------------------------------------------------------
// Do we need to write a cache file? Only if the controller does not have its
// own _output() method and we are not dealing with a cache file, which we
// can determine by the existence of the $CI object above
if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output'))
{
$this->_write_cache($output);
}
// --------------------------------------------------------------------
// Parse out the elapsed time and memory usage,
// then swap the pseudo-variables with the data
$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
if ($this->parse_exec_vars === TRUE)
{
$memory = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
$output = str_replace('{elapsed_time}', $elapsed, $output);
$output = str_replace('{memory_usage}', $memory, $output);
}
// --------------------------------------------------------------------
// Is compression requested?
if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc == FALSE)
{
if (extension_loaded('zlib'))
{
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
{
ob_start('ob_gzhandler');
}
}
}
// --------------------------------------------------------------------
// Are there any server headers to send?
if (count($this->headers) > 0)
{
foreach ($this->headers as $header)
{
@header($header[0], $header[1]);
}
}
// --------------------------------------------------------------------
// Does the $CI object exist?
// If not we know we are dealing with a cache file so we'll
// simply echo out the data and exit.
if ( ! isset($CI))
{
echo $output;
log_message('debug', "Final output sent to browser");
log_message('debug', "Total execution time: ".$elapsed);
return TRUE;
}
// --------------------------------------------------------------------
// Do we need to generate profile data?
// If so, load the Profile class and run it.
if ($this->enable_profiler == TRUE)
{
$CI->load->library('profiler');
if ( ! empty($this->_profiler_sections))
{
$CI->profiler->set_sections($this->_profiler_sections);
}
// If the output data contains closing </body> and </html> tags
// we will remove them and add them back after we insert the profile data
if (preg_match("|</body>.*?</html>|is", $output))
{
$output = preg_replace("|</body>.*?</html>|is", '', $output);
$output .= $CI->profiler->run();
$output .= '</body></html>';
}
else
{
$output .= $CI->profiler->run();
}
}
// --------------------------------------------------------------------
// Does the controller contain a function named _output()?
// If so send the output there. Otherwise, echo it.
if (method_exists($CI, '_output'))
{
$CI->_output($output);
}
else
{
echo $output; // Send it to the browser!
}
log_message('debug', "Final output sent to browser");
log_message('debug', "Total execution time: ".$elapsed);
}
// --------------------------------------------------------------------
/**
* Write a Cache File
*
* @access public
* @param string
* @return void
*/
function _write_cache($output)
{
$CI =& get_instance();
$path = $CI->config->item('cache_path');
$cache_path = ($path == '') ? APPPATH.'cache/' : $path;
if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
{
log_message('error', "Unable to write cache file: ".$cache_path);
return;
}
$uri = $CI->config->item('base_url').
$CI->config->item('index_page').
$CI->uri->uri_string();
$cache_path .= md5($uri);
if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE))
{
log_message('error', "Unable to write cache file: ".$cache_path);
return;
}
$expire = time() + ($this->cache_expiration * 60);
if (flock($fp, LOCK_EX))
{
fwrite($fp, $expire.'TS--->'.$output);
flock($fp, LOCK_UN);
}
else
{
log_message('error', "Unable to secure a file lock for file at: ".$cache_path);
return;
}
fclose($fp);
@chmod($cache_path, FILE_WRITE_MODE);
log_message('debug', "Cache file written: ".$cache_path);
}
// --------------------------------------------------------------------
/**
* Update/serve a cached file
*
* @access public
* @param object config class
* @param object uri class
* @return void
*/
function _display_cache(&$CFG, &$URI)
{
$cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path');
// Build the file path. The file name is an MD5 hash of the full URI
$uri = $CFG->item('base_url').
$CFG->item('index_page').
$URI->uri_string;
$filepath = $cache_path.md5($uri);
if ( ! @file_exists($filepath))
{
return FALSE;
}
if ( ! $fp = @fopen($filepath, FOPEN_READ))
{
return FALSE;
}
flock($fp, LOCK_SH);
$cache = '';
if (filesize($filepath) > 0)
{
$cache = fread($fp, filesize($filepath));
}
flock($fp, LOCK_UN);
fclose($fp);
// Strip out the embedded timestamp
if ( ! preg_match("/(\d+TS--->)/", $cache, $match))
{
return FALSE;
}
// Has the file expired? If so we'll delete it.
if (time() >= trim(str_replace('TS--->', '', $match['1'])))
{
if (is_really_writable($cache_path))
{
@unlink($filepath);
log_message('debug', "Cache file has expired. File deleted");
return FALSE;
}
}
// Display the cache
$this->_display(str_replace($match['0'], '', $cache));
log_message('debug', "Cache file is current. Sending it to browser.");
return TRUE;
}
}
// END Output Class
/* End of file Output.php */
/* Location: ./system/core/Output.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Router Class
*
* Parses URIs and determines routing
*
* @package CodeIgniter
* @subpackage Libraries
* @author ExpressionEngine Dev Team
* @category Libraries
* @link http://codeigniter.com/user_guide/general/routing.html
*/
class CI_Router {
/**
* Config class
*
* @var object
* @access public
*/
var $config;
/**
* List of routes
*
* @var array
* @access public
*/
var $routes = array();
/**
* List of error routes
*
* @var array
* @access public
*/
var $error_routes = array();
/**
* Current class name
*
* @var string
* @access public
*/
var $class = '';
/**
* Current method name
*
* @var string
* @access public
*/
var $method = 'index';
/**
* Sub-directory that contains the requested controller class
*
* @var string
* @access public
*/
var $directory = '';
/**
* Default controller (and method if specific)
*
* @var string
* @access public
*/
var $default_controller;
/**
* Constructor
*
* Runs the route mapping function.
*/
function __construct()
{
$this->config =& load_class('Config', 'core');
$this->uri =& load_class('URI', 'core');
log_message('debug', "Router Class Initialized");
}
// --------------------------------------------------------------------
/**
* Set the route mapping
*
* This function determines what should be served based on the URI request,
* as well as any "routes" that have been set in the routing config file.
*
* @access private
* @return void
*/
function _set_routing()
{
// Are query strings enabled in the config file? Normally CI doesn't utilize query strings
// since URI segments are more search-engine friendly, but they can optionally be used.
// If this feature is enabled, we will gather the directory/class/method a little differently
$segments = array();
if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')]))
{
if (isset($_GET[$this->config->item('directory_trigger')]))
{
$this->set_directory(trim($this->uri->_filter_uri($_GET[$this->config->item('directory_trigger')])));
$segments[] = $this->fetch_directory();
}
if (isset($_GET[$this->config->item('controller_trigger')]))
{
$this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')])));
$segments[] = $this->fetch_class();
}
if (isset($_GET[$this->config->item('function_trigger')]))
{
$this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')])));
$segments[] = $this->fetch_method();
}
}
// Load the routes.php file.
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/routes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/routes.php');
}
elseif (is_file(APPPATH.'config/routes.php'))
{
include(APPPATH.'config/routes.php');
}
$this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
unset($route);
// Set the default controller so we can display it in the event
// the URI doesn't correlated to a valid controller.
$this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);
// Were there any query string segments? If so, we'll validate them and bail out since we're done.
if (count($segments) > 0)
{
return $this->_validate_request($segments);
}
// Fetch the complete URI string
$this->uri->_fetch_uri_string();
// Is there a URI string? If not, the default controller specified in the "routes" file will be shown.
if ($this->uri->uri_string == '')
{
return $this->_set_default_controller();
}
// Do we need to remove the URL suffix?
$this->uri->_remove_url_suffix();
// Compile the segments into an array
$this->uri->_explode_segments();
// Parse any custom routing that may exist
$this->_parse_routes();
// Re-index the segment array so that it starts with 1 rather than 0
$this->uri->_reindex_segments();
}
// --------------------------------------------------------------------
/**
* Set the default controller
*
* @access private
* @return void
*/
function _set_default_controller()
{
if ($this->default_controller === FALSE)
{
show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file.");
}
// Is the method being specified?
if (strpos($this->default_controller, '/') !== FALSE)
{
$x = explode('/', $this->default_controller);
$this->set_class($x[0]);
$this->set_method($x[1]);
$this->_set_request($x);
}
else
{
$this->set_class($this->default_controller);
$this->set_method('index');
$this->_set_request(array($this->default_controller, 'index'));
}
// re-index the routed segments array so it starts with 1 rather than 0
$this->uri->_reindex_segments();
log_message('debug', "No URI present. Default controller set.");
}
// --------------------------------------------------------------------
/**
* Set the Route
*
* This function takes an array of URI segments as
* input, and sets the current class/method
*
* @access private
* @param array
* @param bool
* @return void
*/
function _set_request($segments = array())
{
$segments = $this->_validate_request($segments);
if (count($segments) == 0)
{
return $this->_set_default_controller();
}
$this->set_class($segments[0]);
if (isset($segments[1]))
{
// A standard method request
$this->set_method($segments[1]);
}
else
{
// This lets the "routed" segment array identify that the default
// index method is being used.
$segments[1] = 'index';
}
// Update our "routed" segment array to contain the segments.
// Note: If there is no custom routing, this array will be
// identical to $this->uri->segments
$this->uri->rsegments = $segments;
}
// --------------------------------------------------------------------
/**
* Validates the supplied segments. Attempts to determine the path to
* the controller.
*
* @access private
* @param array
* @return array
*/
function _validate_request($segments)
{
if (count($segments) == 0)
{
return $segments;
}
// Does the requested controller exist in the root folder?
if (file_exists(APPPATH.'controllers/'.$segments[0].'.php'))
{
return $segments;
}
// Is the controller in a sub-folder?
if (is_dir(APPPATH.'controllers/'.$segments[0]))
{
// Set the directory and remove it from the segment array
$this->set_directory($segments[0]);
$segments = array_slice($segments, 1);
if (count($segments) > 0)
{
// Does the requested controller exist in the sub-folder?
if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].'.php'))
{
if ( ! empty($this->routes['404_override']))
{
$x = explode('/', $this->routes['404_override']);
$this->set_directory('');
$this->set_class($x[0]);
$this->set_method(isset($x[1]) ? $x[1] : 'index');
return $x;
}
else
{
show_404($this->fetch_directory().$segments[0]);
}
}
}
else
{
// Is the method being specified in the route?
if (strpos($this->default_controller, '/') !== FALSE)
{
$x = explode('/', $this->default_controller);
$this->set_class($x[0]);
$this->set_method($x[1]);
}
else
{
$this->set_class($this->default_controller);
$this->set_method('index');
}
// Does the default controller exist in the sub-folder?
if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.'.php'))
{
$this->directory = '';
return array();
}
}
return $segments;
}
// If we've gotten this far it means that the URI does not correlate to a valid
// controller class. We will now see if there is an override
if ( ! empty($this->routes['404_override']))
{
$x = explode('/', $this->routes['404_override']);
$this->set_class($x[0]);
$this->set_method(isset($x[1]) ? $x[1] : 'index');
return $x;
}
// Nothing else to do at this point but show a 404
show_404($segments[0]);
}
// --------------------------------------------------------------------
/**
* Parse Routes
*
* This function matches any routes that may exist in
* the config/routes.php file against the URI to
* determine if the class/method need to be remapped.
*
* @access private
* @return void
*/
function _parse_routes()
{
// Turn the segment array into a URI string
$uri = implode('/', $this->uri->segments);
// Is there a literal match? If so we're done
if (isset($this->routes[$uri]))
{
return $this->_set_request(explode('/', $this->routes[$uri]));
}
// Loop through the route array looking for wild-cards
foreach ($this->routes as $key => $val)
{
// Convert wild-cards to RegEx
$key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key));
// Does the RegEx match?
if (preg_match('#^'.$key.'$#', $uri))
{
// Do we have a back-reference?
if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE)
{
$val = preg_replace('#^'.$key.'$#', $val, $uri);
}
return $this->_set_request(explode('/', $val));
}
}
// If we got this far it means we didn't encounter a
// matching route so we'll set the site default route
$this->_set_request($this->uri->segments);
}
// --------------------------------------------------------------------
/**
* Set the class name
*
* @access public
* @param string
* @return void
*/
function set_class($class)
{
$this->class = str_replace(array('/', '.'), '', $class);
}
// --------------------------------------------------------------------
/**
* Fetch the current class
*
* @access public
* @return string
*/
function fetch_class()
{
return $this->class;
}
// --------------------------------------------------------------------
/**
* Set the method name
*
* @access public
* @param string
* @return void
*/
function set_method($method)
{
$this->method = $method;
}
// --------------------------------------------------------------------
/**
* Fetch the current method
*
* @access public
* @return string
*/
function fetch_method()
{
if ($this->method == $this->fetch_class())
{
return 'index';
}
return $this->method;
}
// --------------------------------------------------------------------
/**
* Set the directory name
*
* @access public
* @param string
* @return void
*/
function set_directory($dir)
{
$this->directory = str_replace(array('/', '.'), '', $dir).'/';
}
// --------------------------------------------------------------------
/**
* Fetch the sub-directory (if any) that contains the requested controller class
*
* @access public
* @return string
*/
function fetch_directory()
{
return $this->directory;
}
// --------------------------------------------------------------------
/**
* Set the controller overrides
*
* @access public
* @param array
* @return null
*/
function _set_overrides($routing)
{
if ( ! is_array($routing))
{
return;
}
if (isset($routing['directory']))
{
$this->set_directory($routing['directory']);
}
if (isset($routing['controller']) AND $routing['controller'] != '')
{
$this->set_class($routing['controller']);
}
if (isset($routing['function']))
{
$routing['function'] = ($routing['function'] == '') ? 'index' : $routing['function'];
$this->set_method($routing['function']);
}
}
}
// END Router Class
/* End of file Router.php */
/* Location: ./system/core/Router.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Security Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Security
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/security.html
*/
class CI_Security {
/**
* Random Hash for protecting URLs
*
* @var string
* @access protected
*/
protected $_xss_hash = '';
/**
* Random Hash for Cross Site Request Forgery Protection Cookie
*
* @var string
* @access protected
*/
protected $_csrf_hash = '';
/**
* Expiration time for Cross Site Request Forgery Protection Cookie
* Defaults to two hours (in seconds)
*
* @var int
* @access protected
*/
protected $_csrf_expire = 7200;
/**
* Token name for Cross Site Request Forgery Protection Cookie
*
* @var string
* @access protected
*/
protected $_csrf_token_name = 'ci_csrf_token';
/**
* Cookie name for Cross Site Request Forgery Protection Cookie
*
* @var string
* @access protected
*/
protected $_csrf_cookie_name = 'ci_csrf_token';
/**
* List of never allowed strings
*
* @var array
* @access protected
*/
protected $_never_allowed_str = array(
'document.cookie' => '[removed]',
'document.write' => '[removed]',
'.parentNode' => '[removed]',
'.innerHTML' => '[removed]',
'window.location' => '[removed]',
'-moz-binding' => '[removed]',
'<!--' => '&lt;!--',
'-->' => '--&gt;',
'<![CDATA[' => '&lt;![CDATA[',
'<comment>' => '&lt;comment&gt;'
);
/* never allowed, regex replacement */
/**
* List of never allowed regex replacement
*
* @var array
* @access protected
*/
protected $_never_allowed_regex = array(
'javascript\s*:',
'expression\s*(\(|&\#40;)', // CSS and IE
'vbscript\s*:', // IE, surprise!
'Redirect\s+302',
"([\"'])?data\s*:[^\\1]*?base64[^\\1]*?,[^\\1]*?\\1?"
);
/**
* Constructor
*
* @return void
*/
public function __construct()
{
// Is CSRF protection enabled?
if (config_item('csrf_protection') === TRUE)
{
// CSRF config
foreach (array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key)
{
if (FALSE !== ($val = config_item($key)))
{
$this->{'_'.$key} = $val;
}
}
// Append application specific cookie prefix
if (config_item('cookie_prefix'))
{
$this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name;
}
// Set the CSRF hash
$this->_csrf_set_hash();
}
log_message('debug', "Security Class Initialized");
}
// --------------------------------------------------------------------
/**
* Verify Cross Site Request Forgery Protection
*
* @return object
*/
public function csrf_verify()
{
// If it's not a POST request we will set the CSRF cookie
if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST')
{
return $this->csrf_set_cookie();
}
// Do the tokens exist in both the _POST and _COOKIE arrays?
if ( ! isset($_POST[$this->_csrf_token_name], $_COOKIE[$this->_csrf_cookie_name]))
{
$this->csrf_show_error();
}
// Do the tokens match?
if ($_POST[$this->_csrf_token_name] != $_COOKIE[$this->_csrf_cookie_name])
{
$this->csrf_show_error();
}
// We kill this since we're done and we don't want to
// polute the _POST array
unset($_POST[$this->_csrf_token_name]);
// Nothing should last forever
unset($_COOKIE[$this->_csrf_cookie_name]);
$this->_csrf_set_hash();
$this->csrf_set_cookie();
log_message('debug', 'CSRF token verified');
return $this;
}
// --------------------------------------------------------------------
/**
* Set Cross Site Request Forgery Protection Cookie
*
* @return object
*/
public function csrf_set_cookie()
{
$expire = time() + $this->_csrf_expire;
$secure_cookie = (config_item('cookie_secure') === TRUE) ? 1 : 0;
if ($secure_cookie && (empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) === 'off'))
{
return FALSE;
}
setcookie($this->_csrf_cookie_name, $this->_csrf_hash, $expire, config_item('cookie_path'), config_item('cookie_domain'), $secure_cookie);
log_message('debug', "CRSF cookie Set");
return $this;
}
// --------------------------------------------------------------------
/**
* Show CSRF Error
*
* @return void
*/
public function csrf_show_error()
{
show_error('The action you have requested is not allowed.');
}
// --------------------------------------------------------------------
/**
* Get CSRF Hash
*
* Getter Method
*
* @return string self::_csrf_hash
*/
public function get_csrf_hash()
{
return $this->_csrf_hash;
}
// --------------------------------------------------------------------
/**
* Get CSRF Token Name
*
* Getter Method
*
* @return string self::csrf_token_name
*/
public function get_csrf_token_name()
{
return $this->_csrf_token_name;
}
// --------------------------------------------------------------------
/**
* XSS Clean
*
* Sanitizes data so that Cross Site Scripting Hacks can be
* prevented. This function does a fair amount of work but
* it is extremely thorough, designed to prevent even the
* most obscure XSS attempts. Nothing is ever 100% foolproof,
* of course, but I haven't been able to get anything passed
* the filter.
*
* Note: This function should only be used to deal with data
* upon submission. It's not something that should
* be used for general runtime processing.
*
* This function was based in part on some code and ideas I
* got from Bitflux: http://channel.bitflux.ch/wiki/XSS_Prevention
*
* To help develop this script I used this great list of
* vulnerabilities along with a few other hacks I've
* harvested from examining vulnerabilities in other programs:
* http://ha.ckers.org/xss.html
*
* @param mixed string or array
* @param bool
* @return string
*/
public function xss_clean($str, $is_image = FALSE)
{
/*
* Is the string an array?
*
*/
if (is_array($str))
{
while (list($key) = each($str))
{
$str[$key] = $this->xss_clean($str[$key]);
}
return $str;
}
/*
* Remove Invisible Characters
*/
$str = remove_invisible_characters($str);
// Validate Entities in URLs
$str = $this->_validate_entities($str);
/*
* URL Decode
*
* Just in case stuff like this is submitted:
*
* <a href="http://%77%77%77%2E%67%6F%6F%67%6C%65%2E%63%6F%6D">Google</a>
*
* Note: Use rawurldecode() so it does not remove plus signs
*
*/
$str = rawurldecode($str);
/*
* Convert character entities to ASCII
*
* This permits our tests below to work reliably.
* We only convert entities that are within tags since
* these are the ones that will pose security problems.
*
*/
$str = preg_replace_callback("/[a-z]+=([\'\"]).*?\\1/si", array($this, '_convert_attribute'), $str);
$str = preg_replace_callback("/<\w+.*?(?=>|<|$)/si", array($this, '_decode_entity'), $str);
/*
* Remove Invisible Characters Again!
*/
$str = remove_invisible_characters($str);
/*
* Convert all tabs to spaces
*
* This prevents strings like this: ja vascript
* NOTE: we deal with spaces between characters later.
* NOTE: preg_replace was found to be amazingly slow here on
* large blocks of data, so we use str_replace.
*/
if (strpos($str, "\t") !== FALSE)
{
$str = str_replace("\t", ' ', $str);
}
/*
* Capture converted string for later comparison
*/
$converted_string = $str;
// Remove Strings that are never allowed
$str = $this->_do_never_allowed($str);
/*
* Makes PHP tags safe
*
* Note: XML tags are inadvertently replaced too:
*
* <?xml
*
* But it doesn't seem to pose a problem.
*/
if ($is_image === TRUE)
{
// Images have a tendency to have the PHP short opening and
// closing tags every so often so we skip those and only
// do the long opening tags.
$str = preg_replace('/<\?(php)/i', "&lt;?\\1", $str);
}
else
{
$str = str_replace(array('<?', '?'.'>'), array('&lt;?', '?&gt;'), $str);
}
/*
* Compact any exploded words
*
* This corrects words like: j a v a s c r i p t
* These words are compacted back to their correct state.
*/
$words = array(
'javascript', 'expression', 'vbscript', 'script', 'base64',
'applet', 'alert', 'document', 'write', 'cookie', 'window'
);
foreach ($words as $word)
{
$temp = '';
for ($i = 0, $wordlen = strlen($word); $i < $wordlen; $i++)
{
$temp .= substr($word, $i, 1)."\s*";
}
// We only want to do this when it is followed by a non-word character
// That way valid stuff like "dealer to" does not become "dealerto"
$str = preg_replace_callback('#('.substr($temp, 0, -3).')(\W)#is', array($this, '_compact_exploded_words'), $str);
}
/*
* Remove disallowed Javascript in links or img tags
* We used to do some version comparisons and use of stripos for PHP5,
* but it is dog slow compared to these simplified non-capturing
* preg_match(), especially if the pattern exists in the string
*/
do
{
$original = $str;
if (preg_match("/<a/i", $str))
{
$str = preg_replace_callback("#<a\s+([^>]*?)(>|$)#si", array($this, '_js_link_removal'), $str);
}
if (preg_match("/<img/i", $str))
{
$str = preg_replace_callback("#<img\s+([^>]*?)(\s?/?>|$)#si", array($this, '_js_img_removal'), $str);
}
if (preg_match("/script/i", $str) OR preg_match("/xss/i", $str))
{
$str = preg_replace("#<(/*)(script|xss)(.*?)\>#si", '[removed]', $str);
}
}
while($original != $str);
unset($original);
// Remove evil attributes such as style, onclick and xmlns
$str = $this->_remove_evil_attributes($str, $is_image);
/*
* Sanitize naughty HTML elements
*
* If a tag containing any of the words in the list
* below is found, the tag gets converted to entities.
*
* So this: <blink>
* Becomes: &lt;blink&gt;
*/
$naughty = 'alert|applet|audio|basefont|base|behavior|bgsound|blink|body|embed|expression|form|frameset|frame|head|html|ilayer|iframe|input|isindex|layer|link|meta|object|plaintext|style|script|textarea|title|video|xml|xss';
$str = preg_replace_callback('#<(/*\s*)('.$naughty.')([^><]*)([><]*)#is', array($this, '_sanitize_naughty_html'), $str);
/*
* Sanitize naughty scripting elements
*
* Similar to above, only instead of looking for
* tags it looks for PHP and JavaScript commands
* that are disallowed. Rather than removing the
* code, it simply converts the parenthesis to entities
* rendering the code un-executable.
*
* For example: eval('some code')
* Becomes: eval&#40;'some code'&#41;
*/
$str = preg_replace('#(alert|cmd|passthru|eval|exec|expression|system|fopen|fsockopen|file|file_get_contents|readfile|unlink)(\s*)\((.*?)\)#si', "\\1\\2&#40;\\3&#41;", $str);
// Final clean up
// This adds a bit of extra precaution in case
// something got through the above filters
$str = $this->_do_never_allowed($str);
/*
* Images are Handled in a Special Way
* - Essentially, we want to know that after all of the character
* conversion is done whether any unwanted, likely XSS, code was found.
* If not, we return TRUE, as the image is clean.
* However, if the string post-conversion does not matched the
* string post-removal of XSS, then it fails, as there was unwanted XSS
* code found and removed/changed during processing.
*/
if ($is_image === TRUE)
{
return ($str == $converted_string) ? TRUE: FALSE;
}
log_message('debug', "XSS Filtering completed");
return $str;
}
// --------------------------------------------------------------------
/**
* Random Hash for protecting URLs
*
* @return string
*/
public function xss_hash()
{
if ($this->_xss_hash == '')
{
mt_srand();
$this->_xss_hash = md5(time() + mt_rand(0, 1999999999));
}
return $this->_xss_hash;
}
// --------------------------------------------------------------------
/**
* HTML Entities Decode
*
* This function is a replacement for html_entity_decode()
*
* The reason we are not using html_entity_decode() by itself is because
* while it is not technically correct to leave out the semicolon
* at the end of an entity most browsers will still interpret the entity
* correctly. html_entity_decode() does not convert entities without
* semicolons, so we are left with our own little solution here. Bummer.
*
* @param string
* @param string
* @return string
*/
public function entity_decode($str, $charset='UTF-8')
{
if (stristr($str, '&') === FALSE)
{
return $str;
}
$str = html_entity_decode($str, ENT_COMPAT, $charset);
$str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str);
return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str);
}
// --------------------------------------------------------------------
/**
* Filename Security
*
* @param string
* @param bool
* @return string
*/
public function sanitize_filename($str, $relative_path = FALSE)
{
$bad = array(
"../",
"<!--",
"-->",
"<",
">",
"'",
'"',
'&',
'$',
'#',
'{',
'}',
'[',
']',
'=',
';',
'?',
"%20",
"%22",
"%3c", // <
"%253c", // <
"%3e", // >
"%0e", // >
"%28", // (
"%29", // )
"%2528", // (
"%26", // &
"%24", // $
"%3f", // ?
"%3b", // ;
"%3d" // =
);
if ( ! $relative_path)
{
$bad[] = './';
$bad[] = '/';
}
$str = remove_invisible_characters($str, FALSE);
return stripslashes(str_replace($bad, '', $str));
}
// ----------------------------------------------------------------
/**
* Compact Exploded Words
*
* Callback function for xss_clean() to remove whitespace from
* things like j a v a s c r i p t
*
* @param type
* @return type
*/
protected function _compact_exploded_words($matches)
{
return preg_replace('/\s+/s', '', $matches[1]).$matches[2];
}
// --------------------------------------------------------------------
/*
* Remove Evil HTML Attributes (like evenhandlers and style)
*
* It removes the evil attribute and either:
* - Everything up until a space
* For example, everything between the pipes:
* <a |style=document.write('hello');alert('world');| class=link>
* - Everything inside the quotes
* For example, everything between the pipes:
* <a |style="document.write('hello'); alert('world');"| class="link">
*
* @param string $str The string to check
* @param boolean $is_image TRUE if this is an image
* @return string The string with the evil attributes removed
*/
protected function _remove_evil_attributes($str, $is_image)
{
// All javascript event handlers (e.g. onload, onclick, onmouseover), style, and xmlns
$evil_attributes = array('on\w*', 'style', 'xmlns', 'formaction');
if ($is_image === TRUE)
{
/*
* Adobe Photoshop puts XML metadata into JFIF images,
* including namespacing, so we have to allow this for images.
*/
unset($evil_attributes[array_search('xmlns', $evil_attributes)]);
}
do {
$count = 0;
$attribs = array();
// find occurrences of illegal attribute strings without quotes
preg_match_all('/('.implode('|', $evil_attributes).')\s*=\s*([^\s>]*)/is', $str, $matches, PREG_SET_ORDER);
foreach ($matches as $attr)
{
$attribs[] = preg_quote($attr[0], '/');
}
// find occurrences of illegal attribute strings with quotes (042 and 047 are octal quotes)
preg_match_all("/(".implode('|', $evil_attributes).")\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is", $str, $matches, PREG_SET_ORDER);
foreach ($matches as $attr)
{
$attribs[] = preg_quote($attr[0], '/');
}
// replace illegal attribute strings that are inside an html tag
if (count($attribs) > 0)
{
$str = preg_replace("/<(\/?[^><]+?)([^A-Za-z<>\-])(.*?)(".implode('|', $attribs).")(.*?)([\s><])([><]*)/i", '<$1 $3$5$6$7', $str, -1, $count);
}
} while ($count);
return $str;
}
// --------------------------------------------------------------------
/**
* Sanitize Naughty HTML
*
* Callback function for xss_clean() to remove naughty HTML elements
*
* @param array
* @return string
*/
protected function _sanitize_naughty_html($matches)
{
// encode opening brace
$str = '&lt;'.$matches[1].$matches[2].$matches[3];
// encode captured opening or closing brace to prevent recursive vectors
$str .= str_replace(array('>', '<'), array('&gt;', '&lt;'),
$matches[4]);
return $str;
}
// --------------------------------------------------------------------
/**
* JS Link Removal
*
* Callback function for xss_clean() to sanitize links
* This limits the PCRE backtracks, making it more performance friendly
* and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in
* PHP 5.2+ on link-heavy strings
*
* @param array
* @return string
*/
protected function _js_link_removal($match)
{
return str_replace(
$match[1],
preg_replace(
'#href=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|data\s*:)#si',
'',
$this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]))
),
$match[0]
);
}
// --------------------------------------------------------------------
/**
* JS Image Removal
*
* Callback function for xss_clean() to sanitize image tags
* This limits the PCRE backtracks, making it more performance friendly
* and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in
* PHP 5.2+ on image tag heavy strings
*
* @param array
* @return string
*/
protected function _js_img_removal($match)
{
return str_replace(
$match[1],
preg_replace(
'#src=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si',
'',
$this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]))
),
$match[0]
);
}
// --------------------------------------------------------------------
/**
* Attribute Conversion
*
* Used as a callback for XSS Clean
*
* @param array
* @return string
*/
protected function _convert_attribute($match)
{
return str_replace(array('>', '<', '\\'), array('&gt;', '&lt;', '\\\\'), $match[0]);
}
// --------------------------------------------------------------------
/**
* Filter Attributes
*
* Filters tag attributes for consistency and safety
*
* @param string
* @return string
*/
protected function _filter_attributes($str)
{
$out = '';
if (preg_match_all('#\s*[a-z\-]+\s*=\s*(\042|\047)([^\\1]*?)\\1#is', $str, $matches))
{
foreach ($matches[0] as $match)
{
$out .= preg_replace("#/\*.*?\*/#s", '', $match);
}
}
return $out;
}
// --------------------------------------------------------------------
/**
* HTML Entity Decode Callback
*
* Used as a callback for XSS Clean
*
* @param array
* @return string
*/
protected function _decode_entity($match)
{
return $this->entity_decode($match[0], strtoupper(config_item('charset')));
}
// --------------------------------------------------------------------
/**
* Validate URL entities
*
* Called by xss_clean()
*
* @param string
* @return string
*/
protected function _validate_entities($str)
{
/*
* Protect GET variables in URLs
*/
// 901119URL5918AMP18930PROTECT8198
$str = preg_replace('|\&([a-z\_0-9\-]+)\=([a-z\_0-9\-]+)|i', $this->xss_hash()."\\1=\\2", $str);
/*
* Validate standard character entities
*
* Add a semicolon if missing. We do this to enable
* the conversion of entities to ASCII later.
*
*/
$str = preg_replace('#(&\#?[0-9a-z]{2,})([\x00-\x20])*;?#i', "\\1;\\2", $str);
/*
* Validate UTF16 two byte encoding (x00)
*
* Just as above, adds a semicolon if missing.
*
*/
$str = preg_replace('#(&\#x?)([0-9A-F]+);?#i',"\\1\\2;",$str);
/*
* Un-Protect GET variables in URLs
*/
$str = str_replace($this->xss_hash(), '&', $str);
return $str;
}
// ----------------------------------------------------------------------
/**
* Do Never Allowed
*
* A utility function for xss_clean()
*
* @param string
* @return string
*/
protected function _do_never_allowed($str)
{
$str = str_replace(array_keys($this->_never_allowed_str), $this->_never_allowed_str, $str);
foreach ($this->_never_allowed_regex as $regex)
{
$str = preg_replace('#'.$regex.'#is', '[removed]', $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Set Cross Site Request Forgery Protection Cookie
*
* @return string
*/
protected function _csrf_set_hash()
{
if ($this->_csrf_hash == '')
{
// If the cookie exists we will use it's value.
// We don't necessarily want to regenerate it with
// each page load since a page could contain embedded
// sub-pages causing this feature to fail
if (isset($_COOKIE[$this->_csrf_cookie_name]) &&
preg_match('#^[0-9a-f]{32}$#iS', $_COOKIE[$this->_csrf_cookie_name]) === 1)
{
return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name];
}
return $this->_csrf_hash = md5(uniqid(rand(), TRUE));
}
return $this->_csrf_hash;
}
}
/* End of file Security.php */
/* Location: ./system/libraries/Security.php */

654
system/core/URI.php Normal file
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@ -0,0 +1,654 @@
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* URI Class
*
* Parses URIs and determines routing
*
* @package CodeIgniter
* @subpackage Libraries
* @category URI
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/uri.html
*/
class CI_URI {
/**
* List of cached uri segments
*
* @var array
* @access public
*/
var $keyval = array();
/**
* Current uri string
*
* @var string
* @access public
*/
var $uri_string;
/**
* List of uri segments
*
* @var array
* @access public
*/
var $segments = array();
/**
* Re-indexed list of uri segments
* Starts at 1 instead of 0
*
* @var array
* @access public
*/
var $rsegments = array();
/**
* Constructor
*
* Simply globalizes the $RTR object. The front
* loads the Router class early on so it's not available
* normally as other classes are.
*
* @access public
*/
function __construct()
{
$this->config =& load_class('Config', 'core');
log_message('debug', "URI Class Initialized");
}
// --------------------------------------------------------------------
/**
* Get the URI String
*
* @access private
* @return string
*/
function _fetch_uri_string()
{
if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')
{
// Is the request coming from the command line?
if (php_sapi_name() == 'cli' or defined('STDIN'))
{
$this->_set_uri_string($this->_parse_cli_args());
return;
}
// Let's try the REQUEST_URI first, this will work in most situations
if ($uri = $this->_detect_uri())
{
$this->_set_uri_string($uri);
return;
}
// Is there a PATH_INFO variable?
// Note: some servers seem to have trouble with getenv() so we'll test it two ways
$path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO');
if (trim($path, '/') != '' && $path != "/".SELF)
{
$this->_set_uri_string($path);
return;
}
// No PATH_INFO?... What about QUERY_STRING?
$path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
if (trim($path, '/') != '')
{
$this->_set_uri_string($path);
return;
}
// As a last ditch effort lets try using the $_GET array
if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '')
{
$this->_set_uri_string(key($_GET));
return;
}
// We've exhausted all our options...
$this->uri_string = '';
return;
}
$uri = strtoupper($this->config->item('uri_protocol'));
if ($uri == 'REQUEST_URI')
{
$this->_set_uri_string($this->_detect_uri());
return;
}
elseif ($uri == 'CLI')
{
$this->_set_uri_string($this->_parse_cli_args());
return;
}
$path = (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri);
$this->_set_uri_string($path);
}
// --------------------------------------------------------------------
/**
* Set the URI String
*
* @access public
* @param string
* @return string
*/
function _set_uri_string($str)
{
// Filter out control characters
$str = remove_invisible_characters($str, FALSE);
// If the URI contains only a slash we'll kill it
$this->uri_string = ($str == '/') ? '' : $str;
}
// --------------------------------------------------------------------
/**
* Detects the URI
*
* This function will detect the URI automatically and fix the query string
* if necessary.
*
* @access private
* @return string
*/
private function _detect_uri()
{
if ( ! isset($_SERVER['REQUEST_URI']) OR ! isset($_SERVER['SCRIPT_NAME']))
{
return '';
}
$uri = $_SERVER['REQUEST_URI'];
if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0)
{
$uri = substr($uri, strlen($_SERVER['SCRIPT_NAME']));
}
elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0)
{
$uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME'])));
}
// This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct
// URI is found, and also fixes the QUERY_STRING server var and $_GET array.
if (strncmp($uri, '?/', 2) === 0)
{
$uri = substr($uri, 2);
}
$parts = preg_split('#\?#i', $uri, 2);
$uri = $parts[0];
if (isset($parts[1]))
{
$_SERVER['QUERY_STRING'] = $parts[1];
parse_str($_SERVER['QUERY_STRING'], $_GET);
}
else
{
$_SERVER['QUERY_STRING'] = '';
$_GET = array();
}
if ($uri == '/' || empty($uri))
{
return '/';
}
$uri = parse_url($uri, PHP_URL_PATH);
// Do some final cleaning of the URI and return it
return str_replace(array('//', '../'), '/', trim($uri, '/'));
}
// --------------------------------------------------------------------
/**
* Parse cli arguments
*
* Take each command line argument and assume it is a URI segment.
*
* @access private
* @return string
*/
private function _parse_cli_args()
{
$args = array_slice($_SERVER['argv'], 1);
return $args ? '/' . implode('/', $args) : '';
}
// --------------------------------------------------------------------
/**
* Filter segments for malicious characters
*
* @access private
* @param string
* @return string
*/
function _filter_uri($str)
{
if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE)
{
// preg_quote() in PHP 5.3 escapes -, so the str_replace() and addition of - to preg_quote() is to maintain backwards
// compatibility as many are unaware of how characters in the permitted_uri_chars will be parsed as a regex pattern
if ( ! preg_match("|^[".str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-'))."]+$|i", $str))
{
show_error('The URI you submitted has disallowed characters.', 400);
}
}
// Convert programatic characters to entities
$bad = array('$', '(', ')', '%28', '%29');
$good = array('&#36;', '&#40;', '&#41;', '&#40;', '&#41;');
return str_replace($bad, $good, $str);
}
// --------------------------------------------------------------------
/**
* Remove the suffix from the URL if needed
*
* @access private
* @return void
*/
function _remove_url_suffix()
{
if ($this->config->item('url_suffix') != "")
{
$this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
}
}
// --------------------------------------------------------------------
/**
* Explode the URI Segments. The individual segments will
* be stored in the $this->segments array.
*
* @access private
* @return void
*/
function _explode_segments()
{
foreach (explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
{
// Filter segments for security
$val = trim($this->_filter_uri($val));
if ($val != '')
{
$this->segments[] = $val;
}
}
}
// --------------------------------------------------------------------
/**
* Re-index Segments
*
* This function re-indexes the $this->segment array so that it
* starts at 1 rather than 0. Doing so makes it simpler to
* use functions like $this->uri->segment(n) since there is
* a 1:1 relationship between the segment array and the actual segments.
*
* @access private
* @return void
*/
function _reindex_segments()
{
array_unshift($this->segments, NULL);
array_unshift($this->rsegments, NULL);
unset($this->segments[0]);
unset($this->rsegments[0]);
}
// --------------------------------------------------------------------
/**
* Fetch a URI Segment
*
* This function returns the URI segment based on the number provided.
*
* @access public
* @param integer
* @param bool
* @return string
*/
function segment($n, $no_result = FALSE)
{
return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
}
// --------------------------------------------------------------------
/**
* Fetch a URI "routed" Segment
*
* This function returns the re-routed URI segment (assuming routing rules are used)
* based on the number provided. If there is no routing this function returns the
* same result as $this->segment()
*
* @access public
* @param integer
* @param bool
* @return string
*/
function rsegment($n, $no_result = FALSE)
{
return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
}
// --------------------------------------------------------------------
/**
* Generate a key value pair from the URI string
*
* This function generates and associative array of URI data starting
* at the supplied segment. For example, if this is your URI:
*
* example.com/user/search/name/joe/location/UK/gender/male
*
* You can use this function to generate an array with this prototype:
*
* array (
* name => joe
* location => UK
* gender => male
* )
*
* @access public
* @param integer the starting segment number
* @param array an array of default values
* @return array
*/
function uri_to_assoc($n = 3, $default = array())
{
return $this->_uri_to_assoc($n, $default, 'segment');
}
/**
* Identical to above only it uses the re-routed segment array
*
* @access public
* @param integer the starting segment number
* @param array an array of default values
* @return array
*
*/
function ruri_to_assoc($n = 3, $default = array())
{
return $this->_uri_to_assoc($n, $default, 'rsegment');
}
// --------------------------------------------------------------------
/**
* Generate a key value pair from the URI string or Re-routed URI string
*
* @access private
* @param integer the starting segment number
* @param array an array of default values
* @param string which array we should use
* @return array
*/
function _uri_to_assoc($n = 3, $default = array(), $which = 'segment')
{
if ($which == 'segment')
{
$total_segments = 'total_segments';
$segment_array = 'segment_array';
}
else
{
$total_segments = 'total_rsegments';
$segment_array = 'rsegment_array';
}
if ( ! is_numeric($n))
{
return $default;
}
if (isset($this->keyval[$n]))
{
return $this->keyval[$n];
}
if ($this->$total_segments() < $n)
{
if (count($default) == 0)
{
return array();
}
$retval = array();
foreach ($default as $val)
{
$retval[$val] = FALSE;
}
return $retval;
}
$segments = array_slice($this->$segment_array(), ($n - 1));
$i = 0;
$lastval = '';
$retval = array();
foreach ($segments as $seg)
{
if ($i % 2)
{
$retval[$lastval] = $seg;
}
else
{
$retval[$seg] = FALSE;
$lastval = $seg;
}
$i++;
}
if (count($default) > 0)
{
foreach ($default as $val)
{
if ( ! array_key_exists($val, $retval))
{
$retval[$val] = FALSE;
}
}
}
// Cache the array for reuse
$this->keyval[$n] = $retval;
return $retval;
}
// --------------------------------------------------------------------
/**
* Generate a URI string from an associative array
*
*
* @access public
* @param array an associative array of key/values
* @return array
*/
function assoc_to_uri($array)
{
$temp = array();
foreach ((array)$array as $key => $val)
{
$temp[] = $key;
$temp[] = $val;
}
return implode('/', $temp);
}
// --------------------------------------------------------------------
/**
* Fetch a URI Segment and add a trailing slash
*
* @access public
* @param integer
* @param string
* @return string
*/
function slash_segment($n, $where = 'trailing')
{
return $this->_slash_segment($n, $where, 'segment');
}
// --------------------------------------------------------------------
/**
* Fetch a URI Segment and add a trailing slash
*
* @access public
* @param integer
* @param string
* @return string
*/
function slash_rsegment($n, $where = 'trailing')
{
return $this->_slash_segment($n, $where, 'rsegment');
}
// --------------------------------------------------------------------
/**
* Fetch a URI Segment and add a trailing slash - helper function
*
* @access private
* @param integer
* @param string
* @param string
* @return string
*/
function _slash_segment($n, $where = 'trailing', $which = 'segment')
{
$leading = '/';
$trailing = '/';
if ($where == 'trailing')
{
$leading = '';
}
elseif ($where == 'leading')
{
$trailing = '';
}
return $leading.$this->$which($n).$trailing;
}
// --------------------------------------------------------------------
/**
* Segment Array
*
* @access public
* @return array
*/
function segment_array()
{
return $this->segments;
}
// --------------------------------------------------------------------
/**
* Routed Segment Array
*
* @access public
* @return array
*/
function rsegment_array()
{
return $this->rsegments;
}
// --------------------------------------------------------------------
/**
* Total number of segments
*
* @access public
* @return integer
*/
function total_segments()
{
return count($this->segments);
}
// --------------------------------------------------------------------
/**
* Total number of routed segments
*
* @access public
* @return integer
*/
function total_rsegments()
{
return count($this->rsegments);
}
// --------------------------------------------------------------------
/**
* Fetch the entire URI string
*
* @access public
* @return string
*/
function uri_string()
{
return $this->uri_string;
}
// --------------------------------------------------------------------
/**
* Fetch the entire Re-routed URI string
*
* @access public
* @return string
*/
function ruri_string()
{
return '/'.implode('/', $this->rsegment_array());
}
}
// END URI Class
/* End of file URI.php */
/* Location: ./system/core/URI.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Utf8 Class
*
* Provides support for UTF-8 environments
*
* @package CodeIgniter
* @subpackage Libraries
* @category UTF-8
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/utf8.html
*/
class CI_Utf8 {
/**
* Constructor
*
* Determines if UTF-8 support is to be enabled
*
*/
function __construct()
{
log_message('debug', "Utf8 Class Initialized");
global $CFG;
if (
preg_match('/./u', 'é') === 1 // PCRE must support UTF-8
AND function_exists('iconv') // iconv must be installed
AND ini_get('mbstring.func_overload') != 1 // Multibyte string function overloading cannot be enabled
AND $CFG->item('charset') == 'UTF-8' // Application charset must be UTF-8
)
{
log_message('debug', "UTF-8 Support Enabled");
define('UTF8_ENABLED', TRUE);
// set internal encoding for multibyte string functions if necessary
// and set a flag so we don't have to repeatedly use extension_loaded()
// or function_exists()
if (extension_loaded('mbstring'))
{
define('MB_ENABLED', TRUE);
mb_internal_encoding('UTF-8');
}
else
{
define('MB_ENABLED', FALSE);
}
}
else
{
log_message('debug', "UTF-8 Support Disabled");
define('UTF8_ENABLED', FALSE);
}
}
// --------------------------------------------------------------------
/**
* Clean UTF-8 strings
*
* Ensures strings are UTF-8
*
* @access public
* @param string
* @return string
*/
function clean_string($str)
{
if ($this->_is_ascii($str) === FALSE)
{
$str = @iconv('UTF-8', 'UTF-8//IGNORE', $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Remove ASCII control characters
*
* Removes all ASCII control characters except horizontal tabs,
* line feeds, and carriage returns, as all others can cause
* problems in XML
*
* @access public
* @param string
* @return string
*/
function safe_ascii_for_xml($str)
{
return remove_invisible_characters($str, FALSE);
}
// --------------------------------------------------------------------
/**
* Convert to UTF-8
*
* Attempts to convert a string to UTF-8
*
* @access public
* @param string
* @param string - input encoding
* @return string
*/
function convert_to_utf8($str, $encoding)
{
if (function_exists('iconv'))
{
$str = @iconv($encoding, 'UTF-8', $str);
}
elseif (function_exists('mb_convert_encoding'))
{
$str = @mb_convert_encoding($str, 'UTF-8', $encoding);
}
else
{
return FALSE;
}
return $str;
}
// --------------------------------------------------------------------
/**
* Is ASCII?
*
* Tests if a string is standard 7-bit ASCII or not
*
* @access public
* @param string
* @return bool
*/
function _is_ascii($str)
{
return (preg_match('/[^\x00-\x7F]/S', $str) == 0);
}
// --------------------------------------------------------------------
}
// End Utf8 Class
/* End of file Utf8.php */
/* Location: ./system/core/Utf8.php */

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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Initialize the database
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
* @param string
* @param bool Determines if active record should be used or not
*/
function &DB($params = '', $active_record_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
if (is_string($params) AND strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php'))
{
if ( ! file_exists($file_path = APPPATH.'config/database.php'))
{
show_error('The configuration file database.php does not exist.');
}
}
include($file_path);
if ( ! isset($db) OR count($db) == 0)
{
show_error('No database connection settings were found in the database config file.');
}
if ($params != '')
{
$active_group = $params;
}
if ( ! isset($active_group) OR ! isset($db[$active_group]))
{
show_error('You have specified an invalid database connection group.');
}
$params = $db[$active_group];
}
elseif (is_string($params))
{
/* parse the URL from the DSN string
* Database settings can be passed as discreet
* parameters or as a data source name in the first
* parameter. DSNs must have this prototype:
* $dsn = 'driver://username:password@hostname/database';
*/
if (($dns = @parse_url($params)) === FALSE)
{
show_error('Invalid DB Connection String');
}
$params = array(
'dbdriver' => $dns['scheme'],
'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '',
'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '',
'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '',
'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : ''
);
// were additional config items set?
if (isset($dns['query']))
{
parse_str($dns['query'], $extra);
foreach ($extra as $key => $val)
{
// booleans please
if (strtoupper($val) == "TRUE")
{
$val = TRUE;
}
elseif (strtoupper($val) == "FALSE")
{
$val = FALSE;
}
$params[$key] = $val;
}
}
}
// No DB specified yet? Beat them senseless...
if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '')
{
show_error('You have not selected a database type to connect to.');
}
// Load the DB classes. Note: Since the active record class is optional
// we need to dynamically create a class that extends proper parent class
// based on whether we're using the active record class or not.
// Kudos to Paul for discovering this clever use of eval()
if ($active_record_override !== NULL)
{
$active_record = $active_record_override;
}
require_once(BASEPATH.'database/DB_driver.php');
if ( ! isset($active_record) OR $active_record == TRUE)
{
require_once(BASEPATH.'database/DB_active_rec.php');
if ( ! class_exists('CI_DB'))
{
eval('class CI_DB extends CI_DB_active_record { }');
}
}
else
{
if ( ! class_exists('CI_DB'))
{
eval('class CI_DB extends CI_DB_driver { }');
}
}
require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php');
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
if ($DB->autoinit == TRUE)
{
$DB->initialize();
}
if (isset($params['stricton']) && $params['stricton'] == TRUE)
{
$DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"');
}
return $DB;
}
/* End of file DB.php */
/* Location: ./system/database/DB.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Cache Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_Cache {
var $CI;
var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct(&$db)
{
// Assign the main CI object to $this->CI
// and load the file helper since we use it a lot
$this->CI =& get_instance();
$this->db =& $db;
$this->CI->load->helper('file');
}
// --------------------------------------------------------------------
/**
* Set Cache Directory Path
*
* @access public
* @param string the path to the cache directory
* @return bool
*/
function check_path($path = '')
{
if ($path == '')
{
if ($this->db->cachedir == '')
{
return $this->db->cache_off();
}
$path = $this->db->cachedir;
}
// Add a trailing slash to the path if needed
$path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
if ( ! is_dir($path) OR ! is_really_writable($path))
{
// If the path is wrong we'll turn off caching
return $this->db->cache_off();
}
$this->db->cachedir = $path;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Retrieve a cached query
*
* The URI being requested will become the name of the cache sub-folder.
* An MD5 hash of the SQL statement will become the cache file name
*
* @access public
* @return string
*/
function read($sql)
{
if ( ! $this->check_path())
{
return $this->db->cache_off();
}
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
if (FALSE === ($cachedata = read_file($filepath)))
{
return FALSE;
}
return unserialize($cachedata);
}
// --------------------------------------------------------------------
/**
* Write a query to a cache file
*
* @access public
* @return bool
*/
function write($sql, $object)
{
if ( ! $this->check_path())
{
return $this->db->cache_off();
}
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
$filename = md5($sql);
if ( ! @is_dir($dir_path))
{
if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
{
return FALSE;
}
@chmod($dir_path, DIR_WRITE_MODE);
}
if (write_file($dir_path.$filename, serialize($object)) === FALSE)
{
return FALSE;
}
@chmod($dir_path.$filename, FILE_WRITE_MODE);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Delete cache files within a particular directory
*
* @access public
* @return bool
*/
function delete($segment_one = '', $segment_two = '')
{
if ($segment_one == '')
{
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
}
if ($segment_two == '')
{
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
}
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
delete_files($dir_path, TRUE);
}
// --------------------------------------------------------------------
/**
* Delete all existing cache files
*
* @access public
* @return bool
*/
function delete_all()
{
delete_files($this->db->cachedir, TRUE);
}
}
/* End of file DB_cache.php */
/* Location: ./system/database/DB_cache.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_forge {
var $fields = array();
var $keys = array();
var $primary_keys = array();
var $db_char_set = '';
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct()
{
// Assign the main database object to $this->db
$CI =& get_instance();
$this->db =& $CI->db;
log_message('debug', "Database Forge Class Initialized");
}
// --------------------------------------------------------------------
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function create_database($db_name)
{
$sql = $this->_create_database($db_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access public
* @param string the database name
* @return bool
*/
function drop_database($db_name)
{
$sql = $this->_drop_database($db_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Add Key
*
* @access public
* @param string key
* @param string type
* @return void
*/
function add_key($key = '', $primary = FALSE)
{
if (is_array($key))
{
foreach ($key as $one)
{
$this->add_key($one, $primary);
}
return;
}
if ($key == '')
{
show_error('Key information is required for that operation.');
}
if ($primary === TRUE)
{
$this->primary_keys[] = $key;
}
else
{
$this->keys[] = $key;
}
}
// --------------------------------------------------------------------
/**
* Add Field
*
* @access public
* @param string collation
* @return void
*/
function add_field($field = '')
{
if ($field == '')
{
show_error('Field information is required.');
}
if (is_string($field))
{
if ($field == 'id')
{
$this->add_field(array(
'id' => array(
'type' => 'INT',
'constraint' => 9,
'auto_increment' => TRUE
)
));
$this->add_key('id', TRUE);
}
else
{
if (strpos($field, ' ') === FALSE)
{
show_error('Field information is required for that operation.');
}
$this->fields[] = $field;
}
}
if (is_array($field))
{
$this->fields = array_merge($this->fields, $field);
}
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access public
* @param string the table name
* @return bool
*/
function create_table($table = '', $if_not_exists = FALSE)
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_create_table($this->db->dbprefix.$table, $this->fields, $this->primary_keys, $this->keys, $if_not_exists);
$this->_reset();
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access public
* @param string the table name
* @return bool
*/
function drop_table($table_name)
{
$sql = $this->_drop_table($this->db->dbprefix.$table_name);
if (is_bool($sql))
{
return $sql;
}
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Rename Table
*
* @access public
* @param string the old table name
* @param string the new table name
* @return bool
*/
function rename_table($table_name, $new_table_name)
{
if ($table_name == '' OR $new_table_name == '')
{
show_error('A table name is required for that operation.');
}
$sql = $this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name);
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Column Add
*
* @access public
* @param string the table name
* @param string the column name
* @param string the column definition
* @return bool
*/
function add_column($table = '', $field = array(), $after_field = '')
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
// add field info into field array, but we can only do one at a time
// so we cycle through
foreach ($field as $k => $v)
{
$this->add_field(array($k => $field[$k]));
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_alter_table('ADD', $this->db->dbprefix.$table, $this->fields, $after_field);
$this->_reset();
if ($this->db->query($sql) === FALSE)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Column Drop
*
* @access public
* @param string the table name
* @param string the column name
* @return bool
*/
function drop_column($table = '', $column_name = '')
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
if ($column_name == '')
{
show_error('A column name is required for that operation.');
}
$sql = $this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name);
return $this->db->query($sql);
}
// --------------------------------------------------------------------
/**
* Column Modify
*
* @access public
* @param string the table name
* @param string the column name
* @param string the column definition
* @return bool
*/
function modify_column($table = '', $field = array())
{
if ($table == '')
{
show_error('A table name is required for that operation.');
}
// add field info into field array, but we can only do one at a time
// so we cycle through
foreach ($field as $k => $v)
{
// If no name provided, use the current name
if ( ! isset($field[$k]['name']))
{
$field[$k]['name'] = $k;
}
$this->add_field(array($k => $field[$k]));
if (count($this->fields) == 0)
{
show_error('Field information is required.');
}
$sql = $this->_alter_table('CHANGE', $this->db->dbprefix.$table, $this->fields);
$this->_reset();
if ($this->db->query($sql) === FALSE)
{
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Reset
*
* Resets table creation vars
*
* @access private
* @return void
*/
function _reset()
{
$this->fields = array();
$this->keys = array();
$this->primary_keys = array();
}
}
/* End of file DB_forge.php */
/* Location: ./system/database/DB_forge.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Result Class
*
* This is the platform-independent result class.
* This class will not be called directly. Rather, the adapter
* class for the specific database will extend and instantiate it.
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_result {
var $conn_id = NULL;
var $result_id = NULL;
var $result_array = array();
var $result_object = array();
var $custom_result_object = array();
var $current_row = 0;
var $num_rows = 0;
var $row_data = NULL;
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
public function result($type = 'object')
{
if ($type == 'array') return $this->result_array();
else if ($type == 'object') return $this->result_object();
else return $this->custom_result_object($type);
}
// --------------------------------------------------------------------
/**
* Custom query result.
*
* @param class_name A string that represents the type of object you want back
* @return array of objects
*/
public function custom_result_object($class_name)
{
if (array_key_exists($class_name, $this->custom_result_object))
{
return $this->custom_result_object[$class_name];
}
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
// add the data to the object
$this->_data_seek(0);
$result_object = array();
while ($row = $this->_fetch_object())
{
$object = new $class_name();
foreach ($row as $key => $value)
{
$object->$key = $value;
}
$result_object[] = $object;
}
// return the array
return $this->custom_result_object[$class_name] = $result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "object" version.
*
* @access public
* @return object
*/
public function result_object()
{
if (count($this->result_object) > 0)
{
return $this->result_object;
}
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
$this->_data_seek(0);
while ($row = $this->_fetch_object())
{
$this->result_object[] = $row;
}
return $this->result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
$this->_data_seek(0);
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @access public
* @param string
* @param string can be "object" or "array"
* @return mixed either a result object or array
*/
public function row($n = 0, $type = 'object')
{
if ( ! is_numeric($n))
{
// We cache the row data for subsequent uses
if ( ! is_array($this->row_data))
{
$this->row_data = $this->row_array(0);
}
// array_key_exists() instead of isset() to allow for MySQL NULL values
if (array_key_exists($n, $this->row_data))
{
return $this->row_data[$n];
}
// reset the $n variable if the result was not achieved
$n = 0;
}
if ($type == 'object') return $this->row_object($n);
else if ($type == 'array') return $this->row_array($n);
else return $this->custom_row_object($n, $type);
}
// --------------------------------------------------------------------
/**
* Assigns an item into a particular column slot
*
* @access public
* @return object
*/
public function set_row($key, $value = NULL)
{
// We cache the row data for subsequent uses
if ( ! is_array($this->row_data))
{
$this->row_data = $this->row_array(0);
}
if (is_array($key))
{
foreach ($key as $k => $v)
{
$this->row_data[$k] = $v;
}
return;
}
if ($key != '' AND ! is_null($value))
{
$this->row_data[$key] = $value;
}
}
// --------------------------------------------------------------------
/**
* Returns a single result row - custom object version
*
* @access public
* @return object
*/
public function custom_row_object($n, $type)
{
$result = $this->custom_result_object($type);
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
/**
* Returns a single result row - object version
*
* @access public
* @return object
*/
public function row_object($n = 0)
{
$result = $this->result_object();
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns a single result row - array version
*
* @access public
* @return array
*/
public function row_array($n = 0)
{
$result = $this->result_array();
if (count($result) == 0)
{
return $result;
}
if ($n != $this->current_row AND isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "first" row
*
* @access public
* @return object
*/
public function first_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
return $result[0];
}
// --------------------------------------------------------------------
/**
* Returns the "last" row
*
* @access public
* @return object
*/
public function last_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
return $result[count($result) -1];
}
// --------------------------------------------------------------------
/**
* Returns the "next" row
*
* @access public
* @return object
*/
public function next_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
if (isset($result[$this->current_row + 1]))
{
++$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "previous" row
*
* @access public
* @return object
*/
public function previous_row($type = 'object')
{
$result = $this->result($type);
if (count($result) == 0)
{
return $result;
}
if (isset($result[$this->current_row - 1]))
{
--$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* The following functions are normally overloaded by the identically named
* methods in the platform-specific driver -- except when query caching
* is used. When caching is enabled we do not load the other driver.
* These functions are primarily here to prevent undefined function errors
* when a cached result object is in use. They are not otherwise fully
* operational due to the unavailability of the database resource IDs with
* cached results.
*/
public function num_rows() { return $this->num_rows; }
public function num_fields() { return 0; }
public function list_fields() { return array(); }
public function field_data() { return array(); }
public function free_result() { return TRUE; }
protected function _data_seek() { return TRUE; }
protected function _fetch_assoc() { return array(); }
protected function _fetch_object() { return array(); }
}
// END DB_result class
/* End of file DB_result.php */
/* Location: ./system/database/DB_result.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Database Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_utility extends CI_DB_forge {
var $db;
var $data_cache = array();
/**
* Constructor
*
* Grabs the CI super object instance so we can access it.
*
*/
function __construct()
{
// Assign the main database object to $this->db
$CI =& get_instance();
$this->db =& $CI->db;
log_message('debug', "Database Utility Class Initialized");
}
// --------------------------------------------------------------------
/**
* List databases
*
* @access public
* @return bool
*/
function list_databases()
{
// Is there a cached result?
if (isset($this->data_cache['db_names']))
{
return $this->data_cache['db_names'];
}
$query = $this->db->query($this->_list_databases());
$dbs = array();
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
$dbs[] = current($row);
}
}
$this->data_cache['db_names'] = $dbs;
return $this->data_cache['db_names'];
}
// --------------------------------------------------------------------
/**
* Determine if a particular database exists
*
* @access public
* @param string
* @return boolean
*/
function database_exists($database_name)
{
// Some databases won't have access to the list_databases() function, so
// this is intended to allow them to override with their own functions as
// defined in $driver_utility.php
if (method_exists($this, '_database_exists'))
{
return $this->_database_exists($database_name);
}
else
{
return ( ! in_array($database_name, $this->list_databases())) ? FALSE : TRUE;
}
}
// --------------------------------------------------------------------
/**
* Optimize Table
*
* @access public
* @param string the table name
* @return bool
*/
function optimize_table($table_name)
{
$sql = $this->_optimize_table($table_name);
if (is_bool($sql))
{
show_error('db_must_use_set');
}
$query = $this->db->query($sql);
$res = $query->result_array();
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
return current($res);
}
// --------------------------------------------------------------------
/**
* Optimize Database
*
* @access public
* @return array
*/
function optimize_database()
{
$result = array();
foreach ($this->db->list_tables() as $table_name)
{
$sql = $this->_optimize_table($table_name);
if (is_bool($sql))
{
return $sql;
}
$query = $this->db->query($sql);
// Build the result array...
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$res = $query->result_array();
$res = current($res);
$key = str_replace($this->db->database.'.', '', current($res));
$keys = array_keys($res);
unset($res[$keys[0]]);
$result[$key] = $res;
}
return $result;
}
// --------------------------------------------------------------------
/**
* Repair Table
*
* @access public
* @param string the table name
* @return bool
*/
function repair_table($table_name)
{
$sql = $this->_repair_table($table_name);
if (is_bool($sql))
{
return $sql;
}
$query = $this->db->query($sql);
// Note: Due to a bug in current() that affects some versions
// of PHP we can not pass function call directly into it
$res = $query->result_array();
return current($res);
}
// --------------------------------------------------------------------
/**
* Generate CSV from a query result object
*
* @access public
* @param object The query result object
* @param string The delimiter - comma by default
* @param string The newline character - \n by default
* @param string The enclosure - double quote by default
* @return string
*/
function csv_from_result($query, $delim = ",", $newline = "\n", $enclosure = '"')
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
$out = '';
// First generate the headings from the table column names
foreach ($query->list_fields() as $name)
{
$out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $name).$enclosure.$delim;
}
$out = rtrim($out);
$out .= $newline;
// Next blast through the result array and build out the rows
foreach ($query->result_array() as $row)
{
foreach ($row as $item)
{
$out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $item).$enclosure.$delim;
}
$out = rtrim($out);
$out .= $newline;
}
return $out;
}
// --------------------------------------------------------------------
/**
* Generate XML data from a query result object
*
* @access public
* @param object The query result object
* @param array Any preferences
* @return string
*/
function xml_from_result($query, $params = array())
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
// Set our default values
foreach (array('root' => 'root', 'element' => 'element', 'newline' => "\n", 'tab' => "\t") as $key => $val)
{
if ( ! isset($params[$key]))
{
$params[$key] = $val;
}
}
// Create variables for convenience
extract($params);
// Load the xml helper
$CI =& get_instance();
$CI->load->helper('xml');
// Generate the result
$xml = "<{$root}>".$newline;
foreach ($query->result_array() as $row)
{
$xml .= $tab."<{$element}>".$newline;
foreach ($row as $key => $val)
{
$xml .= $tab.$tab."<{$key}>".xml_convert($val)."</{$key}>".$newline;
}
$xml .= $tab."</{$element}>".$newline;
}
$xml .= "</$root>".$newline;
return $xml;
}
// --------------------------------------------------------------------
/**
* Database Backup
*
* @access public
* @return void
*/
function backup($params = array())
{
// If the parameters have not been submitted as an
// array then we know that it is simply the table
// name, which is a valid short cut.
if (is_string($params))
{
$params = array('tables' => $params);
}
// ------------------------------------------------------
// Set up our default preferences
$prefs = array(
'tables' => array(),
'ignore' => array(),
'filename' => '',
'format' => 'gzip', // gzip, zip, txt
'add_drop' => TRUE,
'add_insert' => TRUE,
'newline' => "\n"
);
// Did the user submit any preferences? If so set them....
if (count($params) > 0)
{
foreach ($prefs as $key => $val)
{
if (isset($params[$key]))
{
$prefs[$key] = $params[$key];
}
}
}
// ------------------------------------------------------
// Are we backing up a complete database or individual tables?
// If no table names were submitted we'll fetch the entire table list
if (count($prefs['tables']) == 0)
{
$prefs['tables'] = $this->db->list_tables();
}
// ------------------------------------------------------
// Validate the format
if ( ! in_array($prefs['format'], array('gzip', 'zip', 'txt'), TRUE))
{
$prefs['format'] = 'txt';
}
// ------------------------------------------------------
// Is the encoder supported? If not, we'll either issue an
// error or use plain text depending on the debug settings
if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode'))
OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress')))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_compression');
}
$prefs['format'] = 'txt';
}
// ------------------------------------------------------
// Set the filename if not provided - Only needed with Zip files
if ($prefs['filename'] == '' AND $prefs['format'] == 'zip')
{
$prefs['filename'] = (count($prefs['tables']) == 1) ? $prefs['tables'] : $this->db->database;
$prefs['filename'] .= '_'.date('Y-m-d_H-i', time());
}
// ------------------------------------------------------
// Was a Gzip file requested?
if ($prefs['format'] == 'gzip')
{
return gzencode($this->_backup($prefs));
}
// ------------------------------------------------------
// Was a text file requested?
if ($prefs['format'] == 'txt')
{
return $this->_backup($prefs);
}
// ------------------------------------------------------
// Was a Zip file requested?
if ($prefs['format'] == 'zip')
{
// If they included the .zip file extension we'll remove it
if (preg_match("|.+?\.zip$|", $prefs['filename']))
{
$prefs['filename'] = str_replace('.zip', '', $prefs['filename']);
}
// Tack on the ".sql" file extension if needed
if ( ! preg_match("|.+?\.sql$|", $prefs['filename']))
{
$prefs['filename'] .= '.sql';
}
// Load the Zip class and output it
$CI =& get_instance();
$CI->load->library('zip');
$CI->zip->add_data($prefs['filename'], $this->_backup($prefs));
return $CI->zip->get_zip();
}
}
}
/* End of file DB_utility.php */
/* Location: ./system/database/DB_utility.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_driver extends CI_DB {
// Default CUBRID Broker port. Will be used unless user
// explicitly specifies another one.
const DEFAULT_PORT = 33000;
var $dbdriver = 'cubrid';
// The character used for escaping - no need in CUBRID
var $_escape_char = '';
// clause and character used for LIKE escape sequences - not used in CUBRID
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
// If no port is defined by the user, use the default value
if ($this->port == '')
{
$this->port = self::DEFAULT_PORT;
}
$conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password);
if ($conn)
{
// Check if a user wants to run queries in dry, i.e. run the
// queries but not commit them.
if (isset($this->auto_commit) && ! $this->auto_commit)
{
cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE);
}
else
{
cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE);
$this->auto_commit = TRUE;
}
}
return $conn;
}
// --------------------------------------------------------------------
/**
* Persistent database connection
* In CUBRID persistent DB connection is supported natively in CUBRID
* engine which can be configured in the CUBRID Broker configuration
* file by setting the CCI_PCONNECT parameter to ON. In that case, all
* connections established between the client application and the
* server will become persistent. This is calling the same
* @cubrid_connect function will establish persisten connection
* considering that the CCI_PCONNECT is ON.
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return $this->db_connect();
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (cubrid_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// In CUBRID there is no need to select a database as the database
// is chosen at the connection time.
// So, to determine if the database is "selected", all we have to
// do is ping the server and return that value.
return cubrid_ping($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// In CUBRID, there is no need to set charset or collation.
// This is why returning true will allow the application continue
// its normal process.
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
// To obtain the CUBRID Server version, no need to run the SQL query.
// CUBRID PHP API provides a function to determin this value.
// This is why we also need to add 'cubrid' value to the list of
// $driver_version_exceptions array in DB_driver class in
// version() function.
return cubrid_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @cubrid_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// No need to prepare
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
if (cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
cubrid_commit($this->conn_id);
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
cubrid_rollback($this->conn_id);
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id))
{
$str = cubrid_real_escape_string($str, $this->conn_id);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @cubrid_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @cubrid_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified table
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return cubrid_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return cubrid_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = sprintf('"%s" = %s', $key, $val);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@cubrid_close($conn_id);
}
}
/* End of file cubrid_driver.php */
/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */

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system/database/drivers/cubrid/cubrid_forge.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Forge Class
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
// CUBRID does not allow to create a database in SQL. The GUI tools
// have to be used for this purpose.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// CUBRID does not allow to drop a database in SQL. The GUI tools
// have to be used for this purpose.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
switch ($attributes['TYPE'])
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
case 'enum': // As of version 8.4.0 CUBRID does not support
// enum data type.
break;
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
//$sql .= ' UNSIGNED';
// As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
// Will be supported in the next release as a part of MySQL Compatibility.
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
//$sql .= 'IF NOT EXISTS ';
// As of version 8.4.0 CUBRID does not support this SQL syntax.
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
// If there is a PK defined
if (count($primary_keys) > 0)
{
$key_name = "pk_" . $table . "_" .
$this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
}
}
$sql .= "\n);";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file cubrid_forge.php */
/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */

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system/database/drivers/cubrid/cubrid_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 2.0.2
* @filesource
*/
// --------------------------------------------------------------------
/**
* CUBRID Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @cubrid_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @cubrid_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
return cubrid_column_names($this->result_id);
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
$tablePrimaryKeys = array();
while ($field = cubrid_fetch_field($this->result_id))
{
$F = new stdClass();
$F->name = $field->name;
$F->type = $field->type;
$F->default = $field->def;
$F->max_length = $field->max_length;
// At this moment primary_key property is not returned when
// cubrid_fetch_field is called. The following code will
// provide a patch for it. primary_key property will be added
// in the next release.
// TODO: later version of CUBRID will provide primary_key
// property.
// When PK is defined in CUBRID, an index is automatically
// created in the db_index system table in the form of
// pk_tblname_fieldname. So the following will count how many
// columns are there which satisfy this format.
// The query will search for exact single columns, thus
// compound PK is not supported.
$res = cubrid_query($this->conn_id,
"SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table .
"' AND is_primary_key = 'YES' AND index_name = 'pk_" .
$field->table . "_" . $field->name . "'"
);
if ($res)
{
$row = cubrid_fetch_array($res, CUBRID_NUM);
$F->primary_key = ($row[0] > 0 ? 1 : null);
}
else
{
$F->primary_key = null;
}
if (is_resource($res))
{
cubrid_close_request($res);
$this->result_id = FALSE;
}
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if(is_resource($this->result_id) ||
get_resource_type($this->result_id) == "Unknown" &&
preg_match('/Resource id #/', strval($this->result_id)))
{
cubrid_close_request($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return cubrid_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return cubrid_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return cubrid_fetch_object($this->result_id);
}
}
/* End of file cubrid_result.php */
/* Location: ./system/database/drivers/cubrid/cubrid_result.php */

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system/database/drivers/cubrid/cubrid_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author Esen Sagynov
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CUBRID Utility Class
*
* @category Database
* @author Esen Sagynov
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return array
*/
function _list_databases()
{
// CUBRID does not allow to see the list of all databases on the
// server. It is the way its architecture is designed. Every
// database is independent and isolated.
// For this reason we can return only the name of the currect
// connected database.
if ($this->conn_id)
{
return "SELECT '" . $this->database . "'";
}
else
{
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
* @link http://www.cubrid.org/manual/840/en/Optimize%20Database
*/
function _optimize_table($table)
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table optimization can be performed using CUBRID Manager
// database administration tool. See the link above for more info.
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
* @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
*/
function _repair_table($table)
{
// Not supported in CUBRID as of version 8.4.0. Database or
// table consistency can be checked using CUBRID Manager
// database administration tool. See the link above for more info.
return FALSE;
}
// --------------------------------------------------------------------
/**
* CUBRID Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table backup can be performed using CUBRID Manager
// database administration tool.
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file cubrid_utility.php */
/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */

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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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system/database/drivers/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

667
system/database/drivers/mssql/mssql_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_driver extends CI_DB {
var $dbdriver = 'mssql';
// The character used for escaping
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
$this->hostname .= ','.$this->port;
}
return @mssql_connect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ($this->port != '')
{
$this->hostname .= ','.$this->port;
}
return @mssql_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in MSSQL
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Note: The brackets are required in the event that the DB name
// contains reserved characters
return @mssql_select_db('['.$this->database.']', $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('BEGIN TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK TRAN');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
// Escape single quotes
$str = str_replace("'", "''", remove_invisible_characters($str));
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(
array($this->_like_escape_chr, '%', '_'),
array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
$str
);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mssql_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @access public
* @return integer
*/
function insert_id()
{
$ver = self::_parse_major_version($this->version());
$sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id");
$query = $this->query($sql);
$row = $query->row();
return $row->last_id;
}
// --------------------------------------------------------------------
/**
* Parse major version
*
* Grabs the major version number from the
* database server version string passed in.
*
* @access private
* @param string $version
* @return int16 major version number
*/
function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT @@VERSION AS ver";
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
// for future compatibility
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access private
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 * FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mssql_get_last_message();
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
// Are error numbers supported?
return '';
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mssql_close($conn_id);
}
}
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
// I think this syntax will work, but can find little documentation on renaming tables in MSSQL
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mssql_forge.php */
/* Location: ./system/database/drivers/mssql/mssql_forge.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mssql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mssql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mssql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mssql_fetch_field($this->result_id))
{
$F = new stdClass();
$F->name = $field->name;
$F->type = $field->type;
$F->max_length = $field->max_length;
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
mssql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mssql_fetch_object($this->result_id);
}
}
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MS SQL Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* MSSQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mssql_utility.php */
/* Location: ./system/database/drivers/mssql/mssql_utility.php */

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system/database/drivers/mysql/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_driver extends CI_DB {
var $dbdriver = 'mysql';
// The character used for escaping
var $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
var $delete_hack = TRUE;
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
// whether SET NAMES must be used to set the character set
var $use_set_names;
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
$this->hostname .= ':'.$this->port;
}
return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ($this->port != '')
{
$this->hostname .= ':'.$this->port;
}
return @mysql_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return @mysql_select_db($this->database, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
if ( ! isset($this->use_set_names))
{
// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
$this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($this->use_set_names === TRUE)
{
return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
}
else
{
return @mysql_set_charset($charset, $this->conn_id);
}
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @mysql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// "DELETE FROM TABLE" returns 0 affected rows This hack modifies
// the query so that it returns the number of affected rows
if ($this->delete_hack === TRUE)
{
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
$sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
{
$str = mysql_real_escape_string($str, $this->conn_id);
}
elseif (function_exists('mysql_escape_string'))
{
$str = mysql_escape_string($str);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mysql_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @mysql_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mysql_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return mysql_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key . ' = ' . $val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mysql_close($conn_id);
}
}
/* End of file mysql_driver.php */
/* Location: ./system/database/drivers/mysql/mysql_driver.php */

273
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
switch ($attributes['TYPE'])
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
case 'enum':
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
if (count($primary_keys) > 0)
{
$key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
}
}
$sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mysql_forge.php */
/* Location: ./system/database/drivers/mysql/mysql_forge.php */

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system/database/drivers/mysql/mysql_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// --------------------------------------------------------------------
/**
* MySQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mysql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mysql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mysql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mysql_fetch_object($this->result_id))
{
preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
$type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
$length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
$F = new stdClass();
$F->name = $field->Field;
$F->type = $type;
$F->default = $field->Default;
$F->max_length = $length;
$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
mysql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mysql_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mysql_fetch_object($this->result_id);
}
}
/* End of file mysql_result.php */
/* Location: ./system/database/drivers/mysql/mysql_result.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQL Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SHOW DATABASES";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* MySQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
if (count($params) == 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
foreach ((array)$tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array)$ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop == TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert == FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query("SELECT * FROM $table");
if ($query->num_rows() == 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = (in_array(
strtolower(mysql_field_type($query->result_id, $i)),
array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
TRUE)
) ? TRUE : FALSE;
// Create a string of field names
$field_str .= '`'.$field->name.'`, ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace( "/, $/" , "" , $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
if ($is_int[$i] == FALSE)
{
$val_str .= $this->db->escape($v);
}
else
{
$val_str .= $v;
}
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace( "/, $/" , "" , $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
return $output;
}
}
/* End of file mysql_utility.php */
/* Location: ./system/database/drivers/mysql/mysql_utility.php */

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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Database Adapter Class - MySQLi only works with PHP 5
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_driver extends CI_DB {
var $dbdriver = 'mysqli';
// The character used for escaping
var $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
var $_like_escape_str = '';
var $_like_escape_chr = '';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' RAND()'; // database specific random keyword
/**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*/
var $delete_hack = TRUE;
// whether SET NAMES must be used to set the character set
var $use_set_names;
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ($this->port != '')
{
return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port);
}
else
{
return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database);
}
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return $this->db_connect();
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (mysqli_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return @mysqli_select_db($this->conn_id, $this->database);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access private
* @param string
* @param string
* @return resource
*/
function _db_set_charset($charset, $collation)
{
if ( ! isset($this->use_set_names))
{
// mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
$this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($this->use_set_names === TRUE)
{
return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
}
else
{
return @mysqli_set_charset($this->conn_id, $charset);
}
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
$result = @mysqli_query($this->conn_id, $sql);
return $result;
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
// "DELETE FROM TABLE" returns 0 affected rows This hack modifies
// the query so that it returns the number of affected rows
if ($this->delete_hack === TRUE)
{
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
$sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id))
{
$str = mysqli_real_escape_string($this->conn_id, $str);
}
elseif (function_exists('mysql_escape_string'))
{
$str = mysql_escape_string($str);
}
else
{
$str = addslashes($str);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @mysqli_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @mysqli_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return mysqli_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return mysqli_errno($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _replace($table, $keys, $values)
{
return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@mysqli_close($conn_id);
}
}
/* End of file mysqli_driver.php */
/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Process Fields
*
* @access private
* @param mixed the fields
* @return string
*/
function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
if (array_key_exists('NAME', $attributes))
{
$sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
{
$sql .= ' '.$attributes['TYPE'];
}
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$sql .= $this->_process_fields($fields);
if (count($primary_keys) > 0)
{
$key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key_name = $this->db->_protect_identifiers(implode('_', $key));
$key = $this->db->_protect_identifiers($key);
}
else
{
$key_name = $this->db->_protect_identifiers($key);
$key = array($key_name);
}
$sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
}
}
$sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return string
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql.$this->db->_protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mysqli_forge.php */
/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */

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system/database/drivers/mysqli/mysqli_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @mysqli_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @mysqli_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
while ($field = mysqli_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
while ($field = mysqli_fetch_object($this->result_id))
{
preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
$type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
$length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
$F = new stdClass();
$F->name = $field->Field;
$F->type = $type;
$F->default = $field->Default;
$F->max_length = $length;
$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_object($this->result_id))
{
mysqli_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return mysqli_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return mysqli_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return mysqli_fetch_object($this->result_id);
}
}
/* End of file mysqli_result.php */
/* Location: ./system/database/drivers/mysqli/mysqli_result.php */

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system/database/drivers/mysqli/mysqli_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* MySQLi Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SHOW DATABASES";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* MySQLi Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mysqli_utility.php */
/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */

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system/database/drivers/oci8/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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system/database/drivers/oci8/oci8_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
/**
* oci8 Database Adapter Class
*
* This is a modification of the DB_driver class to
* permit access to oracle databases
*
* @author Kelly McArdle
*
*/
class CI_DB_oci8_driver extends CI_DB {
var $dbdriver = 'oci8';
// The character used for excaping
var $_escape_char = '"';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " escape '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(1) AS ";
var $_random_keyword = ' ASC'; // not currently supported
// Set "auto commit" by default
var $_commit = OCI_COMMIT_ON_SUCCESS;
// need to track statement id and cursor id
var $stmt_id;
var $curs_id;
// if we use a limit, we will add a field that will
// throw off num_fields later
var $limit_used;
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
public function db_connect()
{
return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
public function db_pconnect()
{
return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
public function reconnect()
{
// not implemented in oracle
return;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
public function db_select()
{
// Not in Oracle - schemas are actually usernames
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
public function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access protected
* @return string
*/
protected function _version()
{
return oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access protected called by the base class
* @param string an SQL query
* @return resource
*/
protected function _execute($sql)
{
// oracle must parse the query before it is run. All of the actions with
// the query are based on the statement id returned by ociparse
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
oci_set_prefetch($this->stmt_id, 1000);
return @oci_execute($this->stmt_id, $this->_commit);
}
/**
* Generate a statement ID
*
* @access private
* @param string an SQL query
* @return none
*/
private function _set_stmt_id($sql)
{
if ( ! is_resource($this->stmt_id))
{
$this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql));
}
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
private function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* getCursor. Returns a cursor from the datbase
*
* @access public
* @return cursor id
*/
public function get_cursor()
{
$this->curs_id = oci_new_cursor($this->conn_id);
return $this->curs_id;
}
// --------------------------------------------------------------------
/**
* Stored Procedure. Executes a stored procedure
*
* @access public
* @param package package stored procedure is in
* @param procedure stored procedure to execute
* @param params array of parameters
* @return array
*
* params array keys
*
* KEY OPTIONAL NOTES
* name no the name of the parameter should be in :<param_name> format
* value no the value of the parameter. If this is an OUT or IN OUT parameter,
* this should be a reference to a variable
* type yes the type of the parameter
* length yes the max size of the parameter
*/
public function stored_procedure($package, $procedure, $params)
{
if ($package == '' OR $procedure == '' OR ! is_array($params))
{
if ($this->db_debug)
{
log_message('error', 'Invalid query: '.$package.'.'.$procedure);
return $this->display_error('db_invalid_query');
}
return FALSE;
}
// build the query string
$sql = "begin $package.$procedure(";
$have_cursor = FALSE;
foreach ($params as $param)
{
$sql .= $param['name'] . ",";
if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR))
{
$have_cursor = TRUE;
}
}
$sql = trim($sql, ",") . "); end;";
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
$this->_bind_params($params);
$this->query($sql, FALSE, $have_cursor);
}
// --------------------------------------------------------------------
/**
* Bind parameters
*
* @access private
* @return none
*/
private function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
return;
}
foreach ($params as $param)
{
foreach (array('name', 'value', 'type', 'length') as $val)
{
if ( ! isset($param[$val]))
{
$param[$val] = '';
}
}
oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
}
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->_commit = OCI_DEFAULT;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
public function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = oci_commit($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = oci_rollback($this->conn_id);
$this->_commit = OCI_COMMIT_ON_SUCCESS;
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
public function affected_rows()
{
return @oci_num_rows($this->stmt_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
public function insert_id()
{
// not supported in oracle
return $this->display_error('db_unsupported_function');
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query == FALSE)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access protected
* @param boolean
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT TABLE_NAME FROM ALL_TABLES";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access protected
* @param string the table name
* @return string
*/
protected function _list_columns($table = '')
{
return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
protected function _field_data($table)
{
return "SELECT * FROM ".$table." where rownum = 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access protected
* @return string
*/
protected function _error_message()
{
// If the error was during connection, no conn_id should be passed
$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
return $error['message'];
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access protected
* @return integer
*/
protected function _error_number()
{
// Same as _error_message()
$error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
return $error['code'];
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access protected
* @param string
* @return string
*/
protected function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access protected
* @param type
* @return type
*/
protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
protected function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access protected
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
{
$keys = implode(', ', $keys);
$sql = "INSERT ALL\n";
for ($i = 0, $c = count($values); $i < $c; $i++)
{
$sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n";
}
$sql .= 'SELECT * FROM dual';
return $sql;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access protected
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access protected
* @param string the table name
* @return string
*/
protected function _truncate($table)
{
return "TRUNCATE TABLE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access protected
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access protected
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
protected function _limit($sql, $limit, $offset)
{
$limit = $offset + $limit;
$newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
if ($offset != 0)
{
$newsql .= " WHERE rnum >= $offset";
}
// remember that we used limits
$this->limit_used = TRUE;
return $newsql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access protected
* @param resource
* @return void
*/
protected function _close($conn_id)
{
@oci_close($conn_id);
}
}
/* End of file oci8_driver.php */
/* Location: ./system/database/drivers/oci8/oci8_driver.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Oracle Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_forge extends CI_DB_forge {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file oci8_forge.php */
/* Location: ./system/database/drivers/oci8/oci8_forge.php */

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system/database/drivers/oci8/oci8_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_result extends CI_DB_result {
public $stmt_id;
public $curs_id;
public $limit_used;
/**
* Number of rows in the result set.
*
* Oracle doesn't have a graceful way to retun the number of rows
* so we have to use what amounts to a hack.
*
* @return integer
*/
public function num_rows()
{
if ($this->num_rows === 0 && count($this->result_array()) > 0)
{
$this->num_rows = count($this->result_array());
@oci_execute($this->stmt_id);
if ($this->curs_id)
{
@oci_execute($this->curs_id);
}
}
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
public function num_fields()
{
$count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
if ($this->limit_used)
{
$count = $count - 1;
}
return $count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
public function field_data()
{
$retval = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$F = new stdClass();
$F->name = oci_field_name($this->stmt_id, $c);
$F->type = oci_field_type($this->stmt_id, $c);
$F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
public function free_result()
{
if (is_resource($this->result_id))
{
oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access protected
* @return array
*/
protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access protected
* @return object
*/
protected function _fetch_object()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return @oci_fetch_object($id);
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @access public
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
$row = NULL;
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access protected
* @return array
*/
protected function _data_seek($n = 0)
{
return FALSE; // Not needed
}
}
/* End of file oci8_result.php */
/* Location: ./system/database/drivers/oci8/oci8_result.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Oracle Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in Oracle?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in Oracle?
}
// --------------------------------------------------------------------
/**
* Oracle Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file oci8_utility.php */
/* Location: ./system/database/drivers/oci8/oci8_utility.php */

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system/database/drivers/odbc/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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system/database/drivers/odbc/odbc_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_driver extends CI_DB {
var $dbdriver = 'odbc';
// the character used to excape - not necessary for ODBC
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " {escape '%s'} ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword;
function __construct($params)
{
parent::__construct($params);
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
return @odbc_connect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return @odbc_pconnect($this->hostname, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in odbc
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for ODBC
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @odbc_exec($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return odbc_autocommit($this->conn_id, FALSE);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = odbc_commit($this->conn_id);
odbc_autocommit($this->conn_id, TRUE);
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = odbc_rollback($this->conn_id);
odbc_autocommit($this->conn_id, TRUE);
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
// ODBC doesn't require escaping
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @odbc_num_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @odbc_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM `".$this->database."`";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$table;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return odbc_errormsg($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return odbc_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
// Does ODBC doesn't use the LIMIT clause?
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@odbc_close($conn_id);
}
}
/* End of file odbc_driver.php */
/* Location: ./system/database/drivers/odbc/odbc_driver.php */

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system/database/drivers/odbc/odbc_forge.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database()
{
// ODBC has no "create database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// ODBC has no "drop database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file odbc_forge.php */
/* Location: ./system/database/drivers/odbc/odbc_forge.php */

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system/database/drivers/odbc/odbc_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @odbc_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @odbc_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = odbc_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = odbc_field_name($this->result_id, $i);
$F->type = odbc_field_type($this->result_id, $i);
$F->max_length = odbc_field_len($this->result_id, $i);
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
odbc_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
if (function_exists('odbc_fetch_object'))
{
return odbc_fetch_array($this->result_id);
}
else
{
return $this->_odbc_fetch_array($this->result_id);
}
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
if (function_exists('odbc_fetch_object'))
{
return odbc_fetch_object($this->result_id);
}
else
{
return $this->_odbc_fetch_object($this->result_id);
}
}
/**
* Result - object
*
* subsititutes the odbc_fetch_object function when
* not available (odbc_fetch_object requires unixODBC)
*
* @access private
* @return object
*/
function _odbc_fetch_object(& $odbc_result) {
$rs = array();
$rs_obj = FALSE;
if (odbc_fetch_into($odbc_result, $rs)) {
foreach ($rs as $k=>$v) {
$field_name= odbc_field_name($odbc_result, $k+1);
$rs_obj->$field_name = $v;
}
}
return $rs_obj;
}
/**
* Result - array
*
* subsititutes the odbc_fetch_array function when
* not available (odbc_fetch_array requires unixODBC)
*
* @access private
* @return array
*/
function _odbc_fetch_array(& $odbc_result) {
$rs = array();
$rs_assoc = FALSE;
if (odbc_fetch_into($odbc_result, $rs)) {
$rs_assoc=array();
foreach ($rs as $k=>$v) {
$field_name= odbc_field_name($odbc_result, $k+1);
$rs_assoc[$field_name] = $v;
}
}
return $rs_assoc;
}
}
/* End of file odbc_result.php */
/* Location: ./system/database/drivers/odbc/odbc_result.php */

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system/database/drivers/odbc/odbc_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* ODBC Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
// Not sure if ODBC lets you list all databases...
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
// Not a supported ODBC feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* ODBC Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file odbc_utility.php */
/* Location: ./system/database/drivers/odbc/odbc_utility.php */

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system/database/drivers/pdo/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

812
system/database/drivers/pdo/pdo_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_driver extends CI_DB {
var $dbdriver = 'pdo';
// the character used to excape - not necessary for PDO
var $_escape_char = '';
var $_like_escape_str;
var $_like_escape_chr;
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword;
var $options = array();
function __construct($params)
{
parent::__construct($params);
// clause and character used for LIKE escape sequences
if (strpos($this->hostname, 'mysql') !== FALSE)
{
$this->_like_escape_str = '';
$this->_like_escape_chr = '';
//Prior to this version, the charset can't be set in the dsn
if(is_php('5.3.6'))
{
$this->hostname .= ";charset={$this->char_set}";
}
//Set the charset with the connection options
$this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}";
}
elseif (strpos($this->hostname, 'odbc') !== FALSE)
{
$this->_like_escape_str = " {escape '%s'} ";
$this->_like_escape_chr = '!';
}
else
{
$this->_like_escape_str = " ESCAPE '%s' ";
$this->_like_escape_chr = '!';
}
empty($this->database) OR $this->hostname .= ';dbname='.$this->database;
$this->trans_enabled = FALSE;
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
return new PDO($this->hostname, $this->username, $this->password, $this->options);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
$this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
$this->options['PDO::ATTR_PERSISTENT'] = TRUE;
return new PDO($this->hostname, $this->username, $this->password, $this->options);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for PDO
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION);
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return object
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
$result_id = $this->conn_id->prepare($sql);
$result_id->execute();
if (is_object($result_id))
{
if (is_numeric(stripos($sql, 'SELECT')))
{
$this->affect_rows = count($result_id->fetchAll());
$result_id->execute();
}
else
{
$this->affect_rows = $result_id->rowCount();
}
}
else
{
$this->affect_rows = 0;
}
return $result_id;
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = (bool) ($test_mode === TRUE);
return $this->conn_id->beginTransaction();
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = $this->conn->commit();
return $ret;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$ret = $this->conn_id->rollBack();
return $ret;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
//Escape the string
$str = $this->conn_id->quote($str);
//If there are duplicated quotes, trim them away
if (strpos($str, "'") === 0)
{
$str = substr($str, 1, -1);
}
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return $this->affect_rows;
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id($name=NULL)
{
//Convenience method for postgres insertid
if (strpos($this->hostname, 'pgsql') !== FALSE)
{
$v = $this->_version();
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
if ($table == NULL && $v >= '8.1')
{
$sql='SELECT LASTVAL() as ins_id';
}
$query = $this->query($sql);
$row = $query->row();
return $row->ins_id;
}
else
{
return $this->conn_id->lastInsertId($name);
}
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM `".$this->database."`";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$table;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 FROM ".$table;
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
$error_array = $this->conn_id->errorInfo();
return $error_array[2];
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return $this->conn_id->errorCode();
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
if ($field != $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
$sql = "UPDATE ".$table." SET ";
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
foreach ($v as $row)
{
$cases .= $row."\n";
}
$cases .= 'ELSE '.$k.' END, ';
}
$sql .= substr($cases, 0, -2);
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
else
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
$this->conn_id = null;
}
}
/* End of file pdo_driver.php */
/* Location: ./system/database/drivers/pdo/pdo_driver.php */

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system/database/drivers/pdo/pdo_forge.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_pdo_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database()
{
// PDO has no "create database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
// PDO has no "drop database" command since it's
// designed to connect to an existing database
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file pdo_forge.php */
/* Location: ./system/database/drivers/pdo/pdo_forge.php */

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system/database/drivers/pdo/pdo_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_result extends CI_DB_result {
public $num_rows;
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (($this->num_rows = $this->result_id->rowCount()) > 0)
{
return $this->num_rows;
}
$this->num_rows = count($this->result_id->fetchAll());
$this->result_id->execute();
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return $this->result_id->columnCount();
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$data = array();
try
{
for($i = 0; $i < $this->num_fields(); $i++)
{
$data[] = $this->result_id->getColumnMeta($i);
}
return $data;
}
catch (Exception $e)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_object($this->result_id))
{
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return $this->result_id->fetch(PDO::FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return $this->result_id->fetchObject();
}
}
/* End of file pdo_result.php */
/* Location: ./system/database/drivers/pdo/pdo_result.php */

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system/database/drivers/pdo/pdo_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @author EllisLab Dev Team
* @link http://codeigniter.com
* @since Version 2.1.2
* @filesource
*/
// ------------------------------------------------------------------------
/**
* PDO Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/database/
*/
class CI_DB_pdo_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
// Not sure if PDO lets you list all databases...
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
// Not a supported PDO feature
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* PDO Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file pdo_utility.php */
/* Location: ./system/database/drivers/pdo/pdo_utility.php */

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system/database/drivers/postgre/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

703
system/database/drivers/postgre/postgre_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_driver extends CI_DB {
var $dbdriver = 'postgre';
var $_escape_char = '"';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' RANDOM()'; // database specific random keyword
/**
* Connection String
*
* @access private
* @return string
*/
function _connect_string()
{
$components = array(
'hostname' => 'host',
'port' => 'port',
'database' => 'dbname',
'username' => 'user',
'password' => 'password'
);
$connect_string = "";
foreach ($components as $key => $val)
{
if (isset($this->$key) && $this->$key != '')
{
$connect_string .= " $val=".$this->$key;
}
}
return trim($connect_string);
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
return @pg_connect($this->_connect_string());
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
return @pg_pconnect($this->_connect_string());
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
if (pg_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
// Not needed for Postgre so we'll return TRUE
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return "SELECT version() AS ver";
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @pg_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return @pg_exec($this->conn_id, "begin");
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return @pg_exec($this->conn_id, "commit");
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return @pg_exec($this->conn_id, "rollback");
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = pg_escape_string($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @pg_affected_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
$v = $this->_version();
$v = $v['server'];
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
$column = func_num_args() > 1 ? func_get_arg(1) : NULL;
if ($table == NULL && $v >= '8.1')
{
$sql='SELECT LASTVAL() as ins_id';
}
elseif ($table != NULL && $column != NULL && $v >= '8.0')
{
$sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column);
$query = $this->query($sql);
$row = $query->row();
$sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq);
}
elseif ($table != NULL)
{
// seq_name passed in table parameter
$sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table);
}
else
{
return pg_last_oid($this->result_id);
}
$query = $this->query($sql);
$row = $query->row();
return $row->ins_id;
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return pg_last_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return '';
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$sql .= "LIMIT ".$limit;
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@pg_close($conn_id);
}
}
/* End of file postgre_driver.php */
/* Location: ./system/database/drivers/postgre/postgre_driver.php */

299
system/database/drivers/postgre/postgre_forge.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
if ($this->db->table_exists($table))
{
return "SELECT * FROM $table"; // Needs to return innocous but valid SQL statement
}
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
// Convert datatypes to be PostgreSQL-compatible
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
break;
case 'SMALLINT':
$attributes['TYPE'] = ($is_unsigned) ? 'INTEGER' : 'SMALLINT';
break;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
break;
case 'INT':
$attributes['TYPE'] = ($is_unsigned) ? 'BIGINT' : 'INTEGER';
break;
case 'BIGINT':
$attributes['TYPE'] = ($is_unsigned) ? 'NUMERIC' : 'BIGINT';
break;
case 'DOUBLE':
$attributes['TYPE'] = 'DOUBLE PRECISION';
break;
case 'DATETIME':
$attributes['TYPE'] = 'TIMESTAMP';
break;
case 'LONGTEXT':
$attributes['TYPE'] = 'TEXT';
break;
case 'BLOB':
$attributes['TYPE'] = 'BYTEA';
break;
}
// If this is an auto-incrementing primary key, use the serial data type instead
if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes)
&& $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' SERIAL';
}
else
{
$sql .= ' '.$attributes['TYPE'];
}
// Modified to prevent constraints with integer data types
if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false)
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
// Added new attribute to create unqite fields. Also works with MySQL
if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
{
$sql .= ' UNIQUE';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
// Something seems to break when passing an array to _protect_identifiers()
foreach ($primary_keys as $index => $key)
{
$primary_keys[$index] = $this->db->_protect_identifiers($key);
}
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
$sql .= "\n);";
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
foreach ($key as $field)
{
$sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); ";
}
}
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table)." CASCADE";
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file postgre_forge.php */
/* Location: ./system/database/drivers/postgre/postgre_forge.php */

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system/database/drivers/postgre/postgre_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgres Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @pg_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @pg_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = pg_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = pg_field_name($this->result_id, $i);
$F->type = pg_field_type($this->result_id, $i);
$F->max_length = pg_field_size($this->result_id, $i);
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
pg_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return pg_result_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return pg_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return pg_fetch_object($this->result_id);
}
}
/* End of file postgre_result.php */
/* Location: ./system/database/drivers/postgre/postgre_result.php */

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system/database/drivers/postgre/postgre_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Postgre Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "SELECT datname FROM pg_database";
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Is table optimization supported in Postgre?
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Are table repairs supported in Postgre?
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Postgre Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file postgre_utility.php */
/* Location: ./system/database/drivers/postgre/postgre_utility.php */

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system/database/drivers/sqlite/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

658
system/database/drivers/sqlite/sqlite_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_driver extends CI_DB {
var $dbdriver = 'sqlite';
// The character used to escape with - not needed for SQLite
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' Random()'; // database specific random keyword
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect()
{
if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error))
{
log_message('error', $error);
if ($this->db_debug)
{
$this->display_error($error, '', TRUE);
}
return FALSE;
}
return $conn_id;
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error))
{
log_message('error', $error);
if ($this->db_debug)
{
$this->display_error($error, '', TRUE);
}
return FALSE;
}
return $conn_id;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in SQLite
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
return sqlite_libversion();
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return @sqlite_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
$this->simple_query('BEGIN TRANSACTION');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('COMMIT');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
$this->simple_query('ROLLBACK');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = $this->escape_str($val, $like);
}
return $str;
}
$str = sqlite_escape_string($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace( array('%', '_', $this->_like_escape_chr),
array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
$str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return sqlite_changes($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @access public
* @return integer
*/
function insert_id()
{
return @sqlite_last_insert_rowid($this->conn_id);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
{
return 0;
}
$query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
}
$row = $query->row();
$this->_reset_select();
return (int) $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name from sqlite_master WHERE type='table'";
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
$sql .= " AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access public
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
// Not supported
return FALSE;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
return sqlite_error_string(sqlite_last_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
return sqlite_last_error($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
return $item;
}
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
$str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
}
if (strpos($item, '.') !== FALSE)
{
$str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
{
foreach ($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
$sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
$sql .= $orderby.$limit;
return $sql;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return $this->_delete($table);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
$conditions = "\nWHERE ";
$conditions .= implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
$conditions .= " AND ";
}
$conditions .= implode("\n", $like);
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
return "DELETE FROM ".$table.$conditions.$limit;
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
$offset = '';
}
else
{
$offset .= ", ";
}
return $sql."LIMIT ".$offset.$limit;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@sqlite_close($conn_id);
}
}
/* End of file sqlite_driver.php */
/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Create database
*
* @access public
* @param string the database name
* @return bool
*/
function _create_database()
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
return TRUE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unable_to_drop');
}
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
// IF NOT EXISTS added to SQLite in 3.3.0
if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)."(";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* Unsupported feature in SQLite
*
* @access private
* @return bool
*/
function _drop_table($table)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return array();
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
// SQLite does not support dropping columns
// http://www.sqlite.org/omitted.html
// http://www.sqlite.org/faq.html#q11
return FALSE;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file sqlite_forge.php */
/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */

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system/database/drivers/sqlite/sqlite_result.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @sqlite_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @sqlite_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$field_names[] = sqlite_field_name($this->result_id, $i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
for ($i = 0; $i < $this->num_fields(); $i++)
{
$F = new stdClass();
$F->name = sqlite_field_name($this->result_id, $i);
$F->type = 'varchar';
$F->max_length = 0;
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
// Not implemented in SQLite
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
return sqlite_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return sqlite_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
if (function_exists('sqlite_fetch_object'))
{
return sqlite_fetch_object($this->result_id);
}
else
{
$arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
if (is_array($arr))
{
$obj = (object) $arr;
return $obj;
} else {
return NULL;
}
}
}
}
/* End of file sqlite_result.php */
/* Location: ./system/database/drivers/sqlite/sqlite_result.php */

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system/database/drivers/sqlite/sqlite_utility.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLite Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite_utility extends CI_DB_utility {
/**
* List databases
*
* I don't believe you can do a database listing with SQLite
* since each database is its own file. I suppose we could
* try reading a directory looking for SQLite files, but
* that doesn't seem like a terribly good idea
*
* @access private
* @return bool
*/
function _list_databases()
{
if ($this->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
return array();
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Is optimization even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Are table repairs even supported in SQLite?
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* SQLite Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file sqlite_utility.php */
/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */

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system/database/drivers/sqlsrv/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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system/database/drivers/sqlsrv/sqlsrv_driver.php Normal file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_driver extends CI_DB {
var $dbdriver = 'sqlsrv';
// The character used for escaping
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect($pooling = false)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
$connection = array(
'UID' => empty($this->username) ? '' : $this->username,
'PWD' => empty($this->password) ? '' : $this->password,
'Database' => $this->database,
'ConnectionPooling' => $pooling ? 1 : 0,
'CharacterSet' => $character_set,
'ReturnDatesAsStrings' => 1
);
// If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
if(empty($connection['UID']) && empty($connection['PWD'])) {
unset($connection['UID'], $connection['PWD']);
}
return sqlsrv_connect($this->hostname, $connection);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
$this->db_connect(TRUE);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in MSSQL
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return $this->_execute('USE ' . $this->database);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return sqlsrv_query($this->conn_id, $sql, null, array(
'Scrollable' => SQLSRV_CURSOR_STATIC,
'SendStreamParamsAtExec' => true
));
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return sqlsrv_begin_transaction($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_commit($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_rollback($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @sqlrv_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @access public
* @return integer
*/
function insert_id()
{
return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
}
// --------------------------------------------------------------------
/**
* Parse major version
*
* Grabs the major version number from the
* database server version string passed in.
*
* @access private
* @param string $version
* @return int16 major version number
*/
function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
$info = sqlsrv_server_info($this->conn_id);
return sprintf("select '%s' as ver", $info['SQLServerVersion']);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
return '0';
$query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
if ($query->num_rows() == 0)
return '0';
$row = $query->row();
$this->_reset_select();
return $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access private
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
$error = array_shift(sqlsrv_errors());
return !empty($error['message']) ? $error['message'] : null;
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
$error = array_shift(sqlsrv_errors());
return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
}
// --------------------------------------------------------------------
/**
* Escape Table Name
*
* This function adds backticks if the table name has a period
* in it. Some DBs will get cranky unless periods are escaped
*
* @access private
* @param string the table name
* @return string
*/
function _escape_table($table)
{
return $table;
}
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
return $item;
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where)
{
foreach($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where)
{
return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@sqlsrv_close($conn_id);
}
}
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$sql .= $this->db->_escape_identifiers($table)." (";
$current_field_count = 0;
foreach ($fields as $field=>$attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
$sql .= "\n\t$attributes";
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
$sql .= "\n\t".$this->db->_protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
if (array_key_exists('DEFAULT', $attributes))
{
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
return $sql;
}
$sql .= " $column_definition";
if ($default_value != '')
{
$sql .= " DEFAULT \"$default_value\"";
}
if ($null === NULL)
{
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if ($after_field != '')
{
$sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
// I think this syntax will work, but can find little documentation on renaming tables in MSSQL
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
return $sql;
}
}
/* End of file mssql_forge.php */
/* Location: ./system/database/drivers/mssql/mssql_forge.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @sqlsrv_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @sqlsrv_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$field_names[] = $field['Name'];
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$F = new stdClass();
$F->name = $field['Name'];
$F->type = $field['Type'];
$F->max_length = $field['Size'];
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
sqlsrv_free_stmt($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
// Not implemented
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return sqlsrv_fetch_object($this->result_id);
}
}
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* MSSQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mssql_utility.php */
/* Location: ./system/database/drivers/mssql/mssql_utility.php */

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system/database/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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system/fonts/index.html Normal file
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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Array Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/array_helper.html
*/
// ------------------------------------------------------------------------
/**
* Element
*
* Lets you determine whether an array index is set and whether it has a value.
* If the element is empty it returns FALSE (or whatever you specify as the default value.)
*
* @access public
* @param string
* @param array
* @param mixed
* @return mixed depends on what the array contains
*/
if ( ! function_exists('element'))
{
function element($item, $array, $default = FALSE)
{
if ( ! isset($array[$item]) OR $array[$item] == "")
{
return $default;
}
return $array[$item];
}
}
// ------------------------------------------------------------------------
/**
* Random Element - Takes an array as input and returns a random element
*
* @access public
* @param array
* @return mixed depends on what the array contains
*/
if ( ! function_exists('random_element'))
{
function random_element($array)
{
if ( ! is_array($array))
{
return $array;
}
return $array[array_rand($array)];
}
}
// --------------------------------------------------------------------
/**
* Elements
*
* Returns only the array items specified. Will return a default value if
* it is not set.
*
* @access public
* @param array
* @param array
* @param mixed
* @return mixed depends on what the array contains
*/
if ( ! function_exists('elements'))
{
function elements($items, $array, $default = FALSE)
{
$return = array();
if ( ! is_array($items))
{
$items = array($items);
}
foreach ($items as $item)
{
if (isset($array[$item]))
{
$return[$item] = $array[$item];
}
else
{
$return[$item] = $default;
}
}
return $return;
}
}
/* End of file array_helper.php */
/* Location: ./system/helpers/array_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter CAPTCHA Helper
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Create CAPTCHA
*
* @access public
* @param array array of data for the CAPTCHA
* @param string path to create the image in
* @param string URL to the CAPTCHA image folder
* @param string server path to font
* @return string
*/
if ( ! function_exists('create_captcha'))
{
function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
{
$defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200);
foreach ($defaults as $key => $val)
{
if ( ! is_array($data))
{
if ( ! isset($$key) OR $$key == '')
{
$$key = $val;
}
}
else
{
$$key = ( ! isset($data[$key])) ? $val : $data[$key];
}
}
if ($img_path == '' OR $img_url == '')
{
return FALSE;
}
if ( ! @is_dir($img_path))
{
return FALSE;
}
if ( ! is_writable($img_path))
{
return FALSE;
}
if ( ! extension_loaded('gd'))
{
return FALSE;
}
// -----------------------------------
// Remove old images
// -----------------------------------
list($usec, $sec) = explode(" ", microtime());
$now = ((float)$usec + (float)$sec);
$current_dir = @opendir($img_path);
while ($filename = @readdir($current_dir))
{
if ($filename != "." and $filename != ".." and $filename != "index.html")
{
$name = str_replace(".jpg", "", $filename);
if (($name + $expiration) < $now)
{
@unlink($img_path.$filename);
}
}
}
@closedir($current_dir);
// -----------------------------------
// Do we have a "word" yet?
// -----------------------------------
if ($word == '')
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$str = '';
for ($i = 0; $i < 8; $i++)
{
$str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
}
$word = $str;
}
// -----------------------------------
// Determine angle and position
// -----------------------------------
$length = strlen($word);
$angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0;
$x_axis = rand(6, (360/$length)-16);
$y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height);
// -----------------------------------
// Create image
// -----------------------------------
// PHP.net recommends imagecreatetruecolor(), but it isn't always available
if (function_exists('imagecreatetruecolor'))
{
$im = imagecreatetruecolor($img_width, $img_height);
}
else
{
$im = imagecreate($img_width, $img_height);
}
// -----------------------------------
// Assign colors
// -----------------------------------
$bg_color = imagecolorallocate ($im, 255, 255, 255);
$border_color = imagecolorallocate ($im, 153, 102, 102);
$text_color = imagecolorallocate ($im, 204, 153, 153);
$grid_color = imagecolorallocate($im, 255, 182, 182);
$shadow_color = imagecolorallocate($im, 255, 240, 240);
// -----------------------------------
// Create the rectangle
// -----------------------------------
ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color);
// -----------------------------------
// Create the spiral pattern
// -----------------------------------
$theta = 1;
$thetac = 7;
$radius = 16;
$circles = 20;
$points = 32;
for ($i = 0; $i < ($circles * $points) - 1; $i++)
{
$theta = $theta + $thetac;
$rad = $radius * ($i / $points );
$x = ($rad * cos($theta)) + $x_axis;
$y = ($rad * sin($theta)) + $y_axis;
$theta = $theta + $thetac;
$rad1 = $radius * (($i + 1) / $points);
$x1 = ($rad1 * cos($theta)) + $x_axis;
$y1 = ($rad1 * sin($theta )) + $y_axis;
imageline($im, $x, $y, $x1, $y1, $grid_color);
$theta = $theta - $thetac;
}
// -----------------------------------
// Write the text
// -----------------------------------
$use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE;
if ($use_font == FALSE)
{
$font_size = 5;
$x = rand(0, $img_width/($length/3));
$y = 0;
}
else
{
$font_size = 16;
$x = rand(0, $img_width/($length/1.5));
$y = $font_size+2;
}
for ($i = 0; $i < strlen($word); $i++)
{
if ($use_font == FALSE)
{
$y = rand(0 , $img_height/2);
imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color);
$x += ($font_size*2);
}
else
{
$y = rand($img_height/2, $img_height-3);
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1));
$x += $font_size;
}
}
// -----------------------------------
// Create the border
// -----------------------------------
imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color);
// -----------------------------------
// Generate the image
// -----------------------------------
$img_name = $now.'.jpg';
ImageJPEG($im, $img_path.$img_name);
$img = "<img src=\"$img_url$img_name\" width=\"$img_width\" height=\"$img_height\" style=\"border:0;\" alt=\" \" />";
ImageDestroy($im);
return array('word' => $word, 'time' => $now, 'image' => $img);
}
}
// ------------------------------------------------------------------------
/* End of file captcha_helper.php */
/* Location: ./system/heleprs/captcha_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Cookie Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/cookie_helper.html
*/
// ------------------------------------------------------------------------
/**
* Set cookie
*
* Accepts six parameter, or you can submit an associative
* array in the first parameter containing all the values.
*
* @access public
* @param mixed
* @param string the value of the cookie
* @param string the number of seconds until expiration
* @param string the cookie domain. Usually: .yourdomain.com
* @param string the cookie path
* @param string the cookie prefix
* @return void
*/
if ( ! function_exists('set_cookie'))
{
function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE)
{
// Set the config file options
$CI =& get_instance();
$CI->input->set_cookie($name, $value, $expire, $domain, $path, $prefix, $secure);
}
}
// --------------------------------------------------------------------
/**
* Fetch an item from the COOKIE array
*
* @access public
* @param string
* @param bool
* @return mixed
*/
if ( ! function_exists('get_cookie'))
{
function get_cookie($index = '', $xss_clean = FALSE)
{
$CI =& get_instance();
$prefix = '';
if ( ! isset($_COOKIE[$index]) && config_item('cookie_prefix') != '')
{
$prefix = config_item('cookie_prefix');
}
return $CI->input->cookie($prefix.$index, $xss_clean);
}
}
// --------------------------------------------------------------------
/**
* Delete a COOKIE
*
* @param mixed
* @param string the cookie domain. Usually: .yourdomain.com
* @param string the cookie path
* @param string the cookie prefix
* @return void
*/
if ( ! function_exists('delete_cookie'))
{
function delete_cookie($name = '', $domain = '', $path = '/', $prefix = '')
{
set_cookie($name, '', '', $domain, $path, $prefix);
}
}
/* End of file cookie_helper.php */
/* Location: ./system/helpers/cookie_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Date Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/date_helper.html
*/
// ------------------------------------------------------------------------
/**
* Get "now" time
*
* Returns time() or its GMT equivalent based on the config file preference
*
* @access public
* @return integer
*/
if ( ! function_exists('now'))
{
function now()
{
$CI =& get_instance();
if (strtolower($CI->config->item('time_reference')) == 'gmt')
{
$now = time();
$system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
if (strlen($system_time) < 10)
{
$system_time = time();
log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
}
return $system_time;
}
else
{
return time();
}
}
}
// ------------------------------------------------------------------------
/**
* Convert MySQL Style Datecodes
*
* This function is identical to PHPs date() function,
* except that it allows date codes to be formatted using
* the MySQL style, where each code letter is preceded
* with a percent sign: %Y %m %d etc...
*
* The benefit of doing dates this way is that you don't
* have to worry about escaping your text letters that
* match the date codes.
*
* @access public
* @param string
* @param integer
* @return integer
*/
if ( ! function_exists('mdate'))
{
function mdate($datestr = '', $time = '')
{
if ($datestr == '')
return '';
if ($time == '')
$time = now();
$datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
return date($datestr, $time);
}
}
// ------------------------------------------------------------------------
/**
* Standard Date
*
* Returns a date formatted according to the submitted standard.
*
* @access public
* @param string the chosen format
* @param integer Unix timestamp
* @return string
*/
if ( ! function_exists('standard_date'))
{
function standard_date($fmt = 'DATE_RFC822', $time = '')
{
$formats = array(
'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q',
'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC',
'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%Q',
'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC',
'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O',
'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O',
'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O',
'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q'
);
if ( ! isset($formats[$fmt]))
{
return FALSE;
}
return mdate($formats[$fmt], $time);
}
}
// ------------------------------------------------------------------------
/**
* Timespan
*
* Returns a span of seconds in this format:
* 10 days 14 hours 36 minutes 47 seconds
*
* @access public
* @param integer a number of seconds
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('timespan'))
{
function timespan($seconds = 1, $time = '')
{
$CI =& get_instance();
$CI->lang->load('date');
if ( ! is_numeric($seconds))
{
$seconds = 1;
}
if ( ! is_numeric($time))
{
$time = time();
}
if ($time <= $seconds)
{
$seconds = 1;
}
else
{
$seconds = $time - $seconds;
}
$str = '';
$years = floor($seconds / 31536000);
if ($years > 0)
{
$str .= $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')).', ';
}
$seconds -= $years * 31536000;
$months = floor($seconds / 2628000);
if ($years > 0 OR $months > 0)
{
if ($months > 0)
{
$str .= $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')).', ';
}
$seconds -= $months * 2628000;
}
$weeks = floor($seconds / 604800);
if ($years > 0 OR $months > 0 OR $weeks > 0)
{
if ($weeks > 0)
{
$str .= $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', ';
}
$seconds -= $weeks * 604800;
}
$days = floor($seconds / 86400);
if ($months > 0 OR $weeks > 0 OR $days > 0)
{
if ($days > 0)
{
$str .= $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')).', ';
}
$seconds -= $days * 86400;
}
$hours = floor($seconds / 3600);
if ($days > 0 OR $hours > 0)
{
if ($hours > 0)
{
$str .= $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', ';
}
$seconds -= $hours * 3600;
}
$minutes = floor($seconds / 60);
if ($days > 0 OR $hours > 0 OR $minutes > 0)
{
if ($minutes > 0)
{
$str .= $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')).', ';
}
$seconds -= $minutes * 60;
}
if ($str == '')
{
$str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
}
return substr(trim($str), 0, -1);
}
}
// ------------------------------------------------------------------------
/**
* Number of days in a month
*
* Takes a month/year as input and returns the number of days
* for the given month/year. Takes leap years into consideration.
*
* @access public
* @param integer a numeric month
* @param integer a numeric year
* @return integer
*/
if ( ! function_exists('days_in_month'))
{
function days_in_month($month = 0, $year = '')
{
if ($month < 1 OR $month > 12)
{
return 0;
}
if ( ! is_numeric($year) OR strlen($year) != 4)
{
$year = date('Y');
}
if ($month == 2)
{
if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
{
return 29;
}
}
$days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
return $days_in_month[$month - 1];
}
}
// ------------------------------------------------------------------------
/**
* Converts a local Unix timestamp to GMT
*
* @access public
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('local_to_gmt'))
{
function local_to_gmt($time = '')
{
if ($time == '')
$time = time();
return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
}
}
// ------------------------------------------------------------------------
/**
* Converts GMT time to a localized value
*
* Takes a Unix timestamp (in GMT) as input, and returns
* at the local value based on the timezone and DST setting
* submitted
*
* @access public
* @param integer Unix timestamp
* @param string timezone
* @param bool whether DST is active
* @return integer
*/
if ( ! function_exists('gmt_to_local'))
{
function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
{
if ($time == '')
{
return now();
}
$time += timezones($timezone) * 3600;
if ($dst == TRUE)
{
$time += 3600;
}
return $time;
}
}
// ------------------------------------------------------------------------
/**
* Converts a MySQL Timestamp to Unix
*
* @access public
* @param integer Unix timestamp
* @return integer
*/
if ( ! function_exists('mysql_to_unix'))
{
function mysql_to_unix($time = '')
{
// We'll remove certain characters for backward compatibility
// since the formatting changed with MySQL 4.1
// YYYY-MM-DD HH:MM:SS
$time = str_replace('-', '', $time);
$time = str_replace(':', '', $time);
$time = str_replace(' ', '', $time);
// YYYYMMDDHHMMSS
return mktime(
substr($time, 8, 2),
substr($time, 10, 2),
substr($time, 12, 2),
substr($time, 4, 2),
substr($time, 6, 2),
substr($time, 0, 4)
);
}
}
// ------------------------------------------------------------------------
/**
* Unix to "Human"
*
* Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
*
* @access public
* @param integer Unix timestamp
* @param bool whether to show seconds
* @param string format: us or euro
* @return string
*/
if ( ! function_exists('unix_to_human'))
{
function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
{
$r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
if ($fmt == 'us')
{
$r .= date('h', $time).':'.date('i', $time);
}
else
{
$r .= date('H', $time).':'.date('i', $time);
}
if ($seconds)
{
$r .= ':'.date('s', $time);
}
if ($fmt == 'us')
{
$r .= ' '.date('A', $time);
}
return $r;
}
}
// ------------------------------------------------------------------------
/**
* Convert "human" date to GMT
*
* Reverses the above process
*
* @access public
* @param string format: us or euro
* @return integer
*/
if ( ! function_exists('human_to_unix'))
{
function human_to_unix($datestr = '')
{
if ($datestr == '')
{
return FALSE;
}
$datestr = trim($datestr);
$datestr = preg_replace("/\040+/", ' ', $datestr);
if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr))
{
return FALSE;
}
$split = explode(' ', $datestr);
$ex = explode("-", $split['0']);
$year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
$month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
$day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
$ex = explode(":", $split['1']);
$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
$min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2']))
{
$sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
}
else
{
// Unless specified, seconds get set to zero.
$sec = '00';
}
if (isset($split['2']))
{
$ampm = strtolower($split['2']);
if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
$hour = $hour + 12;
if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
$hour = '00';
if (strlen($hour) == 1)
$hour = '0'.$hour;
}
return mktime($hour, $min, $sec, $month, $day, $year);
}
}
// ------------------------------------------------------------------------
/**
* Timezone Menu
*
* Generates a drop-down menu of timezones.
*
* @access public
* @param string timezone
* @param string classname
* @param string menu name
* @return string
*/
if ( ! function_exists('timezone_menu'))
{
function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
{
$CI =& get_instance();
$CI->lang->load('date');
if ($default == 'GMT')
$default = 'UTC';
$menu = '<select name="'.$name.'"';
if ($class != '')
{
$menu .= ' class="'.$class.'"';
}
$menu .= ">\n";
foreach (timezones() as $key => $val)
{
$selected = ($default == $key) ? " selected='selected'" : '';
$menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
}
$menu .= "</select>";
return $menu;
}
}
// ------------------------------------------------------------------------
/**
* Timezones
*
* Returns an array of timezones. This is a helper function
* for various other ones in this library
*
* @access public
* @param string timezone
* @return string
*/
if ( ! function_exists('timezones'))
{
function timezones($tz = '')
{
// Note: Don't change the order of these even though
// some items appear to be in the wrong order
$zones = array(
'UM12' => -12,
'UM11' => -11,
'UM10' => -10,
'UM95' => -9.5,
'UM9' => -9,
'UM8' => -8,
'UM7' => -7,
'UM6' => -6,
'UM5' => -5,
'UM45' => -4.5,
'UM4' => -4,
'UM35' => -3.5,
'UM3' => -3,
'UM2' => -2,
'UM1' => -1,
'UTC' => 0,
'UP1' => +1,
'UP2' => +2,
'UP3' => +3,
'UP35' => +3.5,
'UP4' => +4,
'UP45' => +4.5,
'UP5' => +5,
'UP55' => +5.5,
'UP575' => +5.75,
'UP6' => +6,
'UP65' => +6.5,
'UP7' => +7,
'UP8' => +8,
'UP875' => +8.75,
'UP9' => +9,
'UP95' => +9.5,
'UP10' => +10,
'UP105' => +10.5,
'UP11' => +11,
'UP115' => +11.5,
'UP12' => +12,
'UP1275' => +12.75,
'UP13' => +13,
'UP14' => +14
);
if ($tz == '')
{
return $zones;
}
if ($tz == 'GMT')
$tz = 'UTC';
return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
}
}
/* End of file date_helper.php */
/* Location: ./system/helpers/date_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Directory Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/directory_helper.html
*/
// ------------------------------------------------------------------------
/**
* Create a Directory Map
*
* Reads the specified directory and builds an array
* representation of it. Sub-folders contained with the
* directory will be mapped as well.
*
* @access public
* @param string path to source
* @param int depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
* @return array
*/
if ( ! function_exists('directory_map'))
{
function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
{
if ($fp = @opendir($source_dir))
{
$filedata = array();
$new_depth = $directory_depth - 1;
$source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
while (FALSE !== ($file = readdir($fp)))
{
// Remove '.', '..', and hidden files [optional]
if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] == '.'))
{
continue;
}
if (($directory_depth < 1 OR $new_depth > 0) && @is_dir($source_dir.$file))
{
$filedata[$file] = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $new_depth, $hidden);
}
else
{
$filedata[] = $file;
}
}
closedir($fp);
return $filedata;
}
return FALSE;
}
}
/* End of file directory_helper.php */
/* Location: ./system/helpers/directory_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Download Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/download_helper.html
*/
// ------------------------------------------------------------------------
/**
* Force Download
*
* Generates headers that force a download to happen
*
* @access public
* @param string filename
* @param mixed the data to be downloaded
* @return void
*/
if ( ! function_exists('force_download'))
{
function force_download($filename = '', $data = '')
{
if ($filename == '' OR $data == '')
{
return FALSE;
}
// Try to determine if the filename includes a file extension.
// We need it in order to set the MIME type
if (FALSE === strpos($filename, '.'))
{
return FALSE;
}
// Grab the file extension
$x = explode('.', $filename);
$extension = end($x);
// Load the mime types
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
}
elseif (is_file(APPPATH.'config/mimes.php'))
{
include(APPPATH.'config/mimes.php');
}
// Set a default mime if we can't find it
if ( ! isset($mimes[$extension]))
{
$mime = 'application/octet-stream';
}
else
{
$mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
}
// Generate the server headers
if (strpos($_SERVER['HTTP_USER_AGENT'], "MSIE") !== FALSE)
{
header('Content-Type: "'.$mime.'"');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header("Content-Transfer-Encoding: binary");
header('Pragma: public');
header("Content-Length: ".strlen($data));
}
else
{
header('Content-Type: "'.$mime.'"');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header("Content-Transfer-Encoding: binary");
header('Expires: 0');
header('Pragma: no-cache');
header("Content-Length: ".strlen($data));
}
exit($data);
}
}
/* End of file download_helper.php */
/* Location: ./system/helpers/download_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Email Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/email_helper.html
*/
// ------------------------------------------------------------------------
/**
* Validate email address
*
* @access public
* @return bool
*/
if ( ! function_exists('valid_email'))
{
function valid_email($address)
{
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Send an email
*
* @access public
* @return bool
*/
if ( ! function_exists('send_email'))
{
function send_email($recipient, $subject = 'Test email', $message = 'Hello World')
{
return mail($recipient, $subject, $message);
}
}
/* End of file email_helper.php */
/* Location: ./system/helpers/email_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter File Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/file_helpers.html
*/
// ------------------------------------------------------------------------
/**
* Read File
*
* Opens the file specfied in the path and returns it as a string.
*
* @access public
* @param string path to file
* @return string
*/
if ( ! function_exists('read_file'))
{
function read_file($file)
{
if ( ! file_exists($file))
{
return FALSE;
}
if (function_exists('file_get_contents'))
{
return file_get_contents($file);
}
if ( ! $fp = @fopen($file, FOPEN_READ))
{
return FALSE;
}
flock($fp, LOCK_SH);
$data = '';
if (filesize($file) > 0)
{
$data =& fread($fp, filesize($file));
}
flock($fp, LOCK_UN);
fclose($fp);
return $data;
}
}
// ------------------------------------------------------------------------
/**
* Write File
*
* Writes data to the file specified in the path.
* Creates a new file if non-existent.
*
* @access public
* @param string path to file
* @param string file data
* @return bool
*/
if ( ! function_exists('write_file'))
{
function write_file($path, $data, $mode = FOPEN_WRITE_CREATE_DESTRUCTIVE)
{
if ( ! $fp = @fopen($path, $mode))
{
return FALSE;
}
flock($fp, LOCK_EX);
fwrite($fp, $data);
flock($fp, LOCK_UN);
fclose($fp);
return TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Delete Files
*
* Deletes all files contained in the supplied directory path.
* Files must be writable or owned by the system in order to be deleted.
* If the second parameter is set to TRUE, any directories contained
* within the supplied base directory will be nuked as well.
*
* @access public
* @param string path to file
* @param bool whether to delete any directories found in the path
* @return bool
*/
if ( ! function_exists('delete_files'))
{
function delete_files($path, $del_dir = FALSE, $level = 0)
{
// Trim the trailing slash
$path = rtrim($path, DIRECTORY_SEPARATOR);
if ( ! $current_dir = @opendir($path))
{
return FALSE;
}
while (FALSE !== ($filename = @readdir($current_dir)))
{
if ($filename != "." and $filename != "..")
{
if (is_dir($path.DIRECTORY_SEPARATOR.$filename))
{
// Ignore empty folders
if (substr($filename, 0, 1) != '.')
{
delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1);
}
}
else
{
unlink($path.DIRECTORY_SEPARATOR.$filename);
}
}
}
@closedir($current_dir);
if ($del_dir == TRUE AND $level > 0)
{
return @rmdir($path);
}
return TRUE;
}
}
// ------------------------------------------------------------------------
/**
* Get Filenames
*
* Reads the specified directory and builds an array containing the filenames.
* Any sub-folders contained within the specified path are read as well.
*
* @access public
* @param string path to source
* @param bool whether to include the path as part of the filename
* @param bool internal variable to determine recursion status - do not use in calls
* @return array
*/
if ( ! function_exists('get_filenames'))
{
function get_filenames($source_dir, $include_path = FALSE, $_recursion = FALSE)
{
static $_filedata = array();
if ($fp = @opendir($source_dir))
{
// reset the array and make sure $source_dir has a trailing slash on the initial call
if ($_recursion === FALSE)
{
$_filedata = array();
$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
}
while (FALSE !== ($file = readdir($fp)))
{
if (@is_dir($source_dir.$file) && strncmp($file, '.', 1) !== 0)
{
get_filenames($source_dir.$file.DIRECTORY_SEPARATOR, $include_path, TRUE);
}
elseif (strncmp($file, '.', 1) !== 0)
{
$_filedata[] = ($include_path == TRUE) ? $source_dir.$file : $file;
}
}
return $_filedata;
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Get Directory File Information
*
* Reads the specified directory and builds an array containing the filenames,
* filesize, dates, and permissions
*
* Any sub-folders contained within the specified path are read as well.
*
* @access public
* @param string path to source
* @param bool Look only at the top level directory specified?
* @param bool internal variable to determine recursion status - do not use in calls
* @return array
*/
if ( ! function_exists('get_dir_file_info'))
{
function get_dir_file_info($source_dir, $top_level_only = TRUE, $_recursion = FALSE)
{
static $_filedata = array();
$relative_path = $source_dir;
if ($fp = @opendir($source_dir))
{
// reset the array and make sure $source_dir has a trailing slash on the initial call
if ($_recursion === FALSE)
{
$_filedata = array();
$source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
}
// foreach (scandir($source_dir, 1) as $file) // In addition to being PHP5+, scandir() is simply not as fast
while (FALSE !== ($file = readdir($fp)))
{
if (@is_dir($source_dir.$file) AND strncmp($file, '.', 1) !== 0 AND $top_level_only === FALSE)
{
get_dir_file_info($source_dir.$file.DIRECTORY_SEPARATOR, $top_level_only, TRUE);
}
elseif (strncmp($file, '.', 1) !== 0)
{
$_filedata[$file] = get_file_info($source_dir.$file);
$_filedata[$file]['relative_path'] = $relative_path;
}
}
return $_filedata;
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Get File Info
*
* Given a file and path, returns the name, path, size, date modified
* Second parameter allows you to explicitly declare what information you want returned
* Options are: name, server_path, size, date, readable, writable, executable, fileperms
* Returns FALSE if the file cannot be found.
*
* @access public
* @param string path to file
* @param mixed array or comma separated string of information returned
* @return array
*/
if ( ! function_exists('get_file_info'))
{
function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date'))
{
if ( ! file_exists($file))
{
return FALSE;
}
if (is_string($returned_values))
{
$returned_values = explode(',', $returned_values);
}
foreach ($returned_values as $key)
{
switch ($key)
{
case 'name':
$fileinfo['name'] = substr(strrchr($file, DIRECTORY_SEPARATOR), 1);
break;
case 'server_path':
$fileinfo['server_path'] = $file;
break;
case 'size':
$fileinfo['size'] = filesize($file);
break;
case 'date':
$fileinfo['date'] = filemtime($file);
break;
case 'readable':
$fileinfo['readable'] = is_readable($file);
break;
case 'writable':
// There are known problems using is_weritable on IIS. It may not be reliable - consider fileperms()
$fileinfo['writable'] = is_writable($file);
break;
case 'executable':
$fileinfo['executable'] = is_executable($file);
break;
case 'fileperms':
$fileinfo['fileperms'] = fileperms($file);
break;
}
}
return $fileinfo;
}
}
// --------------------------------------------------------------------
/**
* Get Mime by Extension
*
* Translates a file extension into a mime type based on config/mimes.php.
* Returns FALSE if it can't determine the type, or open the mime config file
*
* Note: this is NOT an accurate way of determining file mime types, and is here strictly as a convenience
* It should NOT be trusted, and should certainly NOT be used for security
*
* @access public
* @param string path to file
* @return mixed
*/
if ( ! function_exists('get_mime_by_extension'))
{
function get_mime_by_extension($file)
{
$extension = strtolower(substr(strrchr($file, '.'), 1));
global $mimes;
if ( ! is_array($mimes))
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
}
elseif (is_file(APPPATH.'config/mimes.php'))
{
include(APPPATH.'config/mimes.php');
}
if ( ! is_array($mimes))
{
return FALSE;
}
}
if (array_key_exists($extension, $mimes))
{
if (is_array($mimes[$extension]))
{
// Multiple mime types, just give the first one
return current($mimes[$extension]);
}
else
{
return $mimes[$extension];
}
}
else
{
return FALSE;
}
}
}
// --------------------------------------------------------------------
/**
* Symbolic Permissions
*
* Takes a numeric value representing a file's permissions and returns
* standard symbolic notation representing that value
*
* @access public
* @param int
* @return string
*/
if ( ! function_exists('symbolic_permissions'))
{
function symbolic_permissions($perms)
{
if (($perms & 0xC000) == 0xC000)
{
$symbolic = 's'; // Socket
}
elseif (($perms & 0xA000) == 0xA000)
{
$symbolic = 'l'; // Symbolic Link
}
elseif (($perms & 0x8000) == 0x8000)
{
$symbolic = '-'; // Regular
}
elseif (($perms & 0x6000) == 0x6000)
{
$symbolic = 'b'; // Block special
}
elseif (($perms & 0x4000) == 0x4000)
{
$symbolic = 'd'; // Directory
}
elseif (($perms & 0x2000) == 0x2000)
{
$symbolic = 'c'; // Character special
}
elseif (($perms & 0x1000) == 0x1000)
{
$symbolic = 'p'; // FIFO pipe
}
else
{
$symbolic = 'u'; // Unknown
}
// Owner
$symbolic .= (($perms & 0x0100) ? 'r' : '-');
$symbolic .= (($perms & 0x0080) ? 'w' : '-');
$symbolic .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x' ) : (($perms & 0x0800) ? 'S' : '-'));
// Group
$symbolic .= (($perms & 0x0020) ? 'r' : '-');
$symbolic .= (($perms & 0x0010) ? 'w' : '-');
$symbolic .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x' ) : (($perms & 0x0400) ? 'S' : '-'));
// World
$symbolic .= (($perms & 0x0004) ? 'r' : '-');
$symbolic .= (($perms & 0x0002) ? 'w' : '-');
$symbolic .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x' ) : (($perms & 0x0200) ? 'T' : '-'));
return $symbolic;
}
}
// --------------------------------------------------------------------
/**
* Octal Permissions
*
* Takes a numeric value representing a file's permissions and returns
* a three character string representing the file's octal permissions
*
* @access public
* @param int
* @return string
*/
if ( ! function_exists('octal_permissions'))
{
function octal_permissions($perms)
{
return substr(sprintf('%o', $perms), -3);
}
}
/* End of file file_helper.php */
/* Location: ./system/helpers/file_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter HTML Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/html_helper.html
*/
// ------------------------------------------------------------------------
/**
* Heading
*
* Generates an HTML heading tag. First param is the data.
* Second param is the size of the heading tag.
*
* @access public
* @param string
* @param integer
* @return string
*/
if ( ! function_exists('heading'))
{
function heading($data = '', $h = '1', $attributes = '')
{
$attributes = ($attributes != '') ? ' '.$attributes : $attributes;
return "<h".$h.$attributes.">".$data."</h".$h.">";
}
}
// ------------------------------------------------------------------------
/**
* Unordered List
*
* Generates an HTML unordered list from an single or multi-dimensional array.
*
* @access public
* @param array
* @param mixed
* @return string
*/
if ( ! function_exists('ul'))
{
function ul($list, $attributes = '')
{
return _list('ul', $list, $attributes);
}
}
// ------------------------------------------------------------------------
/**
* Ordered List
*
* Generates an HTML ordered list from an single or multi-dimensional array.
*
* @access public
* @param array
* @param mixed
* @return string
*/
if ( ! function_exists('ol'))
{
function ol($list, $attributes = '')
{
return _list('ol', $list, $attributes);
}
}
// ------------------------------------------------------------------------
/**
* Generates the list
*
* Generates an HTML ordered list from an single or multi-dimensional array.
*
* @access private
* @param string
* @param mixed
* @param mixed
* @param integer
* @return string
*/
if ( ! function_exists('_list'))
{
function _list($type = 'ul', $list, $attributes = '', $depth = 0)
{
// If an array wasn't submitted there's nothing to do...
if ( ! is_array($list))
{
return $list;
}
// Set the indentation based on the depth
$out = str_repeat(" ", $depth);
// Were any attributes submitted? If so generate a string
if (is_array($attributes))
{
$atts = '';
foreach ($attributes as $key => $val)
{
$atts .= ' ' . $key . '="' . $val . '"';
}
$attributes = $atts;
}
elseif (is_string($attributes) AND strlen($attributes) > 0)
{
$attributes = ' '. $attributes;
}
// Write the opening list tag
$out .= "<".$type.$attributes.">\n";
// Cycle through the list elements. If an array is
// encountered we will recursively call _list()
static $_last_list_item = '';
foreach ($list as $key => $val)
{
$_last_list_item = $key;
$out .= str_repeat(" ", $depth + 2);
$out .= "<li>";
if ( ! is_array($val))
{
$out .= $val;
}
else
{
$out .= $_last_list_item."\n";
$out .= _list($type, $val, '', $depth + 4);
$out .= str_repeat(" ", $depth + 2);
}
$out .= "</li>\n";
}
// Set the indentation for the closing tag
$out .= str_repeat(" ", $depth);
// Write the closing list tag
$out .= "</".$type.">\n";
return $out;
}
}
// ------------------------------------------------------------------------
/**
* Generates HTML BR tags based on number supplied
*
* @access public
* @param integer
* @return string
*/
if ( ! function_exists('br'))
{
function br($num = 1)
{
return str_repeat("<br />", $num);
}
}
// ------------------------------------------------------------------------
/**
* Image
*
* Generates an <img /> element
*
* @access public
* @param mixed
* @return string
*/
if ( ! function_exists('img'))
{
function img($src = '', $index_page = FALSE)
{
if ( ! is_array($src) )
{
$src = array('src' => $src);
}
// If there is no alt attribute defined, set it to an empty string
if ( ! isset($src['alt']))
{
$src['alt'] = '';
}
$img = '<img';
foreach ($src as $k=>$v)
{
if ($k == 'src' AND strpos($v, '://') === FALSE)
{
$CI =& get_instance();
if ($index_page === TRUE)
{
$img .= ' src="'.$CI->config->site_url($v).'"';
}
else
{
$img .= ' src="'.$CI->config->slash_item('base_url').$v.'"';
}
}
else
{
$img .= " $k=\"$v\"";
}
}
$img .= '/>';
return $img;
}
}
// ------------------------------------------------------------------------
/**
* Doctype
*
* Generates a page document type declaration
*
* Valid options are xhtml-11, xhtml-strict, xhtml-trans, xhtml-frame,
* html4-strict, html4-trans, and html4-frame. Values are saved in the
* doctypes config file.
*
* @access public
* @param string type The doctype to be generated
* @return string
*/
if ( ! function_exists('doctype'))
{
function doctype($type = 'xhtml1-strict')
{
global $_doctypes;
if ( ! is_array($_doctypes))
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php');
}
elseif (is_file(APPPATH.'config/doctypes.php'))
{
include(APPPATH.'config/doctypes.php');
}
if ( ! is_array($_doctypes))
{
return FALSE;
}
}
if (isset($_doctypes[$type]))
{
return $_doctypes[$type];
}
else
{
return FALSE;
}
}
}
// ------------------------------------------------------------------------
/**
* Link
*
* Generates link to a CSS file
*
* @access public
* @param mixed stylesheet hrefs or an array
* @param string rel
* @param string type
* @param string title
* @param string media
* @param boolean should index_page be added to the css path
* @return string
*/
if ( ! function_exists('link_tag'))
{
function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = FALSE)
{
$CI =& get_instance();
$link = '<link ';
if (is_array($href))
{
foreach ($href as $k=>$v)
{
if ($k == 'href' AND strpos($v, '://') === FALSE)
{
if ($index_page === TRUE)
{
$link .= 'href="'.$CI->config->site_url($v).'" ';
}
else
{
$link .= 'href="'.$CI->config->slash_item('base_url').$v.'" ';
}
}
else
{
$link .= "$k=\"$v\" ";
}
}
$link .= "/>";
}
else
{
if ( strpos($href, '://') !== FALSE)
{
$link .= 'href="'.$href.'" ';
}
elseif ($index_page === TRUE)
{
$link .= 'href="'.$CI->config->site_url($href).'" ';
}
else
{
$link .= 'href="'.$CI->config->slash_item('base_url').$href.'" ';
}
$link .= 'rel="'.$rel.'" type="'.$type.'" ';
if ($media != '')
{
$link .= 'media="'.$media.'" ';
}
if ($title != '')
{
$link .= 'title="'.$title.'" ';
}
$link .= '/>';
}
return $link;
}
}
// ------------------------------------------------------------------------
/**
* Generates meta tags from an array of key/values
*
* @access public
* @param array
* @return string
*/
if ( ! function_exists('meta'))
{
function meta($name = '', $content = '', $type = 'name', $newline = "\n")
{
// Since we allow the data to be passes as a string, a simple array
// or a multidimensional one, we need to do a little prepping.
if ( ! is_array($name))
{
$name = array(array('name' => $name, 'content' => $content, 'type' => $type, 'newline' => $newline));
}
else
{
// Turn single array into multidimensional
if (isset($name['name']))
{
$name = array($name);
}
}
$str = '';
foreach ($name as $meta)
{
$type = ( ! isset($meta['type']) OR $meta['type'] == 'name') ? 'name' : 'http-equiv';
$name = ( ! isset($meta['name'])) ? '' : $meta['name'];
$content = ( ! isset($meta['content'])) ? '' : $meta['content'];
$newline = ( ! isset($meta['newline'])) ? "\n" : $meta['newline'];
$str .= '<meta '.$type.'="'.$name.'" content="'.$content.'" />'.$newline;
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Generates non-breaking space entities based on number supplied
*
* @access public
* @param integer
* @return string
*/
if ( ! function_exists('nbs'))
{
function nbs($num = 1)
{
return str_repeat("&nbsp;", $num);
}
}
/* End of file html_helper.php */
/* Location: ./system/helpers/html_helper.php */

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<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Inflector Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/directory_helper.html
*/
// --------------------------------------------------------------------
/**
* Singular
*
* Takes a plural word and makes it singular
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('singular'))
{
function singular($str)
{
$result = strval($str);
$singular_rules = array(
'/(matr)ices$/' => '\1ix',
'/(vert|ind)ices$/' => '\1ex',
'/^(ox)en/' => '\1',
'/(alias)es$/' => '\1',
'/([octop|vir])i$/' => '\1us',
'/(cris|ax|test)es$/' => '\1is',
'/(shoe)s$/' => '\1',
'/(o)es$/' => '\1',
'/(bus|campus)es$/' => '\1',
'/([m|l])ice$/' => '\1ouse',
'/(x|ch|ss|sh)es$/' => '\1',
'/(m)ovies$/' => '\1\2ovie',
'/(s)eries$/' => '\1\2eries',
'/([^aeiouy]|qu)ies$/' => '\1y',
'/([lr])ves$/' => '\1f',
'/(tive)s$/' => '\1',
'/(hive)s$/' => '\1',
'/([^f])ves$/' => '\1fe',
'/(^analy)ses$/' => '\1sis',
'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/' => '\1\2sis',
'/([ti])a$/' => '\1um',
'/(p)eople$/' => '\1\2erson',
'/(m)en$/' => '\1an',
'/(s)tatuses$/' => '\1\2tatus',
'/(c)hildren$/' => '\1\2hild',
'/(n)ews$/' => '\1\2ews',
'/([^u])s$/' => '\1',
);
foreach ($singular_rules as $rule => $replacement)
{
if (preg_match($rule, $result))
{
$result = preg_replace($rule, $replacement, $result);
break;
}
}
return $result;
}
}
// --------------------------------------------------------------------
/**
* Plural
*
* Takes a singular word and makes it plural
*
* @access public
* @param string
* @param bool
* @return str
*/
if ( ! function_exists('plural'))
{
function plural($str, $force = FALSE)
{
$result = strval($str);
$plural_rules = array(
'/^(ox)$/' => '\1\2en', // ox
'/([m|l])ouse$/' => '\1ice', // mouse, louse
'/(matr|vert|ind)ix|ex$/' => '\1ices', // matrix, vertex, index
'/(x|ch|ss|sh)$/' => '\1es', // search, switch, fix, box, process, address
'/([^aeiouy]|qu)y$/' => '\1ies', // query, ability, agency
'/(hive)$/' => '\1s', // archive, hive
'/(?:([^f])fe|([lr])f)$/' => '\1\2ves', // half, safe, wife
'/sis$/' => 'ses', // basis, diagnosis
'/([ti])um$/' => '\1a', // datum, medium
'/(p)erson$/' => '\1eople', // person, salesperson
'/(m)an$/' => '\1en', // man, woman, spokesman
'/(c)hild$/' => '\1hildren', // child
'/(buffal|tomat)o$/' => '\1\2oes', // buffalo, tomato
'/(bu|campu)s$/' => '\1\2ses', // bus, campus
'/(alias|status|virus)/' => '\1es', // alias
'/(octop)us$/' => '\1i', // octopus
'/(ax|cris|test)is$/' => '\1es', // axis, crisis
'/s$/' => 's', // no change (compatibility)
'/$/' => 's',
);
foreach ($plural_rules as $rule => $replacement)
{
if (preg_match($rule, $result))
{
$result = preg_replace($rule, $replacement, $result);
break;
}
}
return $result;
}
}
// --------------------------------------------------------------------
/**
* Camelize
*
* Takes multiple words separated by spaces or underscores and camelizes them
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('camelize'))
{
function camelize($str)
{
$str = 'x'.strtolower(trim($str));
$str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
return substr(str_replace(' ', '', $str), 1);
}
}
// --------------------------------------------------------------------
/**
* Underscore
*
* Takes multiple words separated by spaces and underscores them
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('underscore'))
{
function underscore($str)
{
return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
}
}
// --------------------------------------------------------------------
/**
* Humanize
*
* Takes multiple words separated by underscores and changes them to spaces
*
* @access public
* @param string
* @return str
*/
if ( ! function_exists('humanize'))
{
function humanize($str)
{
return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
}
}
/* End of file inflector_helper.php */
/* Location: ./system/helpers/inflector_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Language Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/language_helper.html
*/
// ------------------------------------------------------------------------
/**
* Lang
*
* Fetches a language variable and optionally outputs a form label
*
* @access public
* @param string the language line
* @param string the id of the form element
* @return string
*/
if ( ! function_exists('lang'))
{
function lang($line, $id = '')
{
$CI =& get_instance();
$line = $CI->lang->line($line);
if ($id != '')
{
$line = '<label for="'.$id.'">'.$line."</label>";
}
return $line;
}
}
// ------------------------------------------------------------------------
/* End of file language_helper.php */
/* Location: ./system/helpers/language_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Number Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/number_helper.html
*/
// ------------------------------------------------------------------------
/**
* Formats a numbers as bytes, based on size, and adds the appropriate suffix
*
* @access public
* @param mixed // will be cast as int
* @return string
*/
if ( ! function_exists('byte_format'))
{
function byte_format($num, $precision = 1)
{
$CI =& get_instance();
$CI->lang->load('number');
if ($num >= 1000000000000)
{
$num = round($num / 1099511627776, $precision);
$unit = $CI->lang->line('terabyte_abbr');
}
elseif ($num >= 1000000000)
{
$num = round($num / 1073741824, $precision);
$unit = $CI->lang->line('gigabyte_abbr');
}
elseif ($num >= 1000000)
{
$num = round($num / 1048576, $precision);
$unit = $CI->lang->line('megabyte_abbr');
}
elseif ($num >= 1000)
{
$num = round($num / 1024, $precision);
$unit = $CI->lang->line('kilobyte_abbr');
}
else
{
$unit = $CI->lang->line('bytes');
return number_format($num).' '.$unit;
}
return number_format($num, $precision).' '.$unit;
}
}
/* End of file number_helper.php */
/* Location: ./system/helpers/number_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Path Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Set Realpath
*
* @access public
* @param string
* @param bool checks to see if the path exists
* @return string
*/
if ( ! function_exists('set_realpath'))
{
function set_realpath($path, $check_existance = FALSE)
{
// Security check to make sure the path is NOT a URL. No remote file inclusion!
if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
{
show_error('The path you submitted must be a local server path, not a URL');
}
// Resolve the path
if (function_exists('realpath') AND @realpath($path) !== FALSE)
{
$path = realpath($path).'/';
}
// Add a trailing slash
$path = preg_replace("#([^/])/*$#", "\\1/", $path);
// Make sure the path exists
if ($check_existance == TRUE)
{
if ( ! is_dir($path))
{
show_error('Not a valid path: '.$path);
}
}
return $path;
}
}
/* End of file path_helper.php */
/* Location: ./system/helpers/path_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Security Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/security_helper.html
*/
// ------------------------------------------------------------------------
/**
* XSS Filtering
*
* @access public
* @param string
* @param bool whether or not the content is an image file
* @return string
*/
if ( ! function_exists('xss_clean'))
{
function xss_clean($str, $is_image = FALSE)
{
$CI =& get_instance();
return $CI->security->xss_clean($str, $is_image);
}
}
// ------------------------------------------------------------------------
/**
* Sanitize Filename
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('sanitize_filename'))
{
function sanitize_filename($filename)
{
$CI =& get_instance();
return $CI->security->sanitize_filename($filename);
}
}
// --------------------------------------------------------------------
/**
* Hash encode a string
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('do_hash'))
{
function do_hash($str, $type = 'sha1')
{
if ($type == 'sha1')
{
return sha1($str);
}
else
{
return md5($str);
}
}
}
// ------------------------------------------------------------------------
/**
* Strip Image Tags
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('strip_image_tags'))
{
function strip_image_tags($str)
{
$str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
$str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Convert PHP tags to entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('encode_php_tags'))
{
function encode_php_tags($str)
{
return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('&lt;?php', '&lt;?PHP', '&lt;?', '?&gt;'), $str);
}
}
/* End of file security_helper.php */
/* Location: ./system/helpers/security_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Smiley Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/smiley_helper.html
*/
// ------------------------------------------------------------------------
/**
* Smiley Javascript
*
* Returns the javascript required for the smiley insertion. Optionally takes
* an array of aliases to loosely couple the smiley array to the view.
*
* @access public
* @param mixed alias name or array of alias->field_id pairs
* @param string field_id if alias name was passed in
* @return array
*/
if ( ! function_exists('smiley_js'))
{
function smiley_js($alias = '', $field_id = '', $inline = TRUE)
{
static $do_setup = TRUE;
$r = '';
if ($alias != '' && ! is_array($alias))
{
$alias = array($alias => $field_id);
}
if ($do_setup === TRUE)
{
$do_setup = FALSE;
$m = array();
if (is_array($alias))
{
foreach ($alias as $name => $id)
{
$m[] = '"'.$name.'" : "'.$id.'"';
}
}
$m = '{'.implode(',', $m).'}';
$r .= <<<EOF
var smiley_map = {$m};
function insert_smiley(smiley, field_id) {
var el = document.getElementById(field_id), newStart;
if ( ! el && smiley_map[field_id]) {
el = document.getElementById(smiley_map[field_id]);
if ( ! el)
return false;
}
el.focus();
smiley = " " + smiley;
if ('selectionStart' in el) {
newStart = el.selectionStart + smiley.length;
el.value = el.value.substr(0, el.selectionStart) +
smiley +
el.value.substr(el.selectionEnd, el.value.length);
el.setSelectionRange(newStart, newStart);
}
else if (document.selection) {
document.selection.createRange().text = smiley;
}
}
EOF;
}
else
{
if (is_array($alias))
{
foreach ($alias as $name => $id)
{
$r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n";
}
}
}
if ($inline)
{
return '<script type="text/javascript" charset="utf-8">/*<![CDATA[ */'.$r.'// ]]></script>';
}
else
{
return $r;
}
}
}
// ------------------------------------------------------------------------
/**
* Get Clickable Smileys
*
* Returns an array of image tag links that can be clicked to be inserted
* into a form field.
*
* @access public
* @param string the URL to the folder containing the smiley images
* @return array
*/
if ( ! function_exists('get_clickable_smileys'))
{
function get_clickable_smileys($image_url, $alias = '', $smileys = NULL)
{
// For backward compatibility with js_insert_smiley
if (is_array($alias))
{
$smileys = $alias;
}
if ( ! is_array($smileys))
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return $smileys;
}
}
// Add a trailing slash to the file path if needed
$image_url = rtrim($image_url, '/').'/';
$used = array();
foreach ($smileys as $key => $val)
{
// Keep duplicates from being used, which can happen if the
// mapping array contains multiple identical replacements. For example:
// :-) and :) might be replaced with the same image so both smileys
// will be in the array.
if (isset($used[$smileys[$key][0]]))
{
continue;
}
$link[] = "<a href=\"javascript:void(0);\" onclick=\"insert_smiley('".$key."', '".$alias."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";
$used[$smileys[$key][0]] = TRUE;
}
return $link;
}
}
// ------------------------------------------------------------------------
/**
* Parse Smileys
*
* Takes a string as input and swaps any contained smileys for the actual image
*
* @access public
* @param string the text to be parsed
* @param string the URL to the folder containing the smiley images
* @return string
*/
if ( ! function_exists('parse_smileys'))
{
function parse_smileys($str = '', $image_url = '', $smileys = NULL)
{
if ($image_url == '')
{
return $str;
}
if ( ! is_array($smileys))
{
if (FALSE === ($smileys = _get_smiley_array()))
{
return $str;
}
}
// Add a trailing slash to the file path if needed
$image_url = preg_replace("/(.+?)\/*$/", "\\1/", $image_url);
foreach ($smileys as $key => $val)
{
$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" />", $str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Get Smiley Array
*
* Fetches the config/smiley.php file
*
* @access private
* @return mixed
*/
if ( ! function_exists('_get_smiley_array'))
{
function _get_smiley_array()
{
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
}
elseif (file_exists(APPPATH.'config/smileys.php'))
{
include(APPPATH.'config/smileys.php');
}
if (isset($smileys) AND is_array($smileys))
{
return $smileys;
}
return FALSE;
}
}
// ------------------------------------------------------------------------
/**
* JS Insert Smiley
*
* Generates the javascript function needed to insert smileys into a form field
*
* DEPRECATED as of version 1.7.2, use smiley_js instead
*
* @access public
* @param string form name
* @param string field name
* @return string
*/
if ( ! function_exists('js_insert_smiley'))
{
function js_insert_smiley($form_name = '', $form_field = '')
{
return <<<EOF
<script type="text/javascript">
function insert_smiley(smiley)
{
document.{$form_name}.{$form_field}.value += " " + smiley;
}
</script>
EOF;
}
}
/* End of file smiley_helper.php */
/* Location: ./system/helpers/smiley_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter String Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/string_helper.html
*/
// ------------------------------------------------------------------------
/**
* Trim Slashes
*
* Removes any leading/trailing slashes from a string:
*
* /this/that/theother/
*
* becomes:
*
* this/that/theother
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('trim_slashes'))
{
function trim_slashes($str)
{
return trim($str, '/');
}
}
// ------------------------------------------------------------------------
/**
* Strip Slashes
*
* Removes slashes contained in a string or in an array
*
* @access public
* @param mixed string or array
* @return mixed string or array
*/
if ( ! function_exists('strip_slashes'))
{
function strip_slashes($str)
{
if (is_array($str))
{
foreach ($str as $key => $val)
{
$str[$key] = strip_slashes($val);
}
}
else
{
$str = stripslashes($str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Strip Quotes
*
* Removes single and double quotes from a string
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('strip_quotes'))
{
function strip_quotes($str)
{
return str_replace(array('"', "'"), '', $str);
}
}
// ------------------------------------------------------------------------
/**
* Quotes to Entities
*
* Converts single and double quotes to entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('quotes_to_entities'))
{
function quotes_to_entities($str)
{
return str_replace(array("\'","\"","'",'"'), array("&#39;","&quot;","&#39;","&quot;"), $str);
}
}
// ------------------------------------------------------------------------
/**
* Reduce Double Slashes
*
* Converts double slashes in a string to a single slash,
* except those found in http://
*
* http://www.some-site.com//index.php
*
* becomes:
*
* http://www.some-site.com/index.php
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('reduce_double_slashes'))
{
function reduce_double_slashes($str)
{
return preg_replace("#(^|[^:])//+#", "\\1/", $str);
}
}
// ------------------------------------------------------------------------
/**
* Reduce Multiples
*
* Reduces multiple instances of a particular character. Example:
*
* Fred, Bill,, Joe, Jimmy
*
* becomes:
*
* Fred, Bill, Joe, Jimmy
*
* @access public
* @param string
* @param string the character you wish to reduce
* @param bool TRUE/FALSE - whether to trim the character from the beginning/end
* @return string
*/
if ( ! function_exists('reduce_multiples'))
{
function reduce_multiples($str, $character = ',', $trim = FALSE)
{
$str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str);
if ($trim === TRUE)
{
$str = trim($str, $character);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Create a Random String
*
* Useful for generating passwords or hashes.
*
* @access public
* @param string type of random string. basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
* @param integer number of characters
* @return string
*/
if ( ! function_exists('random_string'))
{
function random_string($type = 'alnum', $len = 8)
{
switch($type)
{
case 'basic' : return mt_rand();
break;
case 'alnum' :
case 'numeric' :
case 'nozero' :
case 'alpha' :
switch ($type)
{
case 'alpha' : $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
break;
case 'numeric' : $pool = '0123456789';
break;
case 'nozero' : $pool = '123456789';
break;
}
$str = '';
for ($i=0; $i < $len; $i++)
{
$str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
}
return $str;
break;
case 'unique' :
case 'md5' :
return md5(uniqid(mt_rand()));
break;
case 'encrypt' :
case 'sha1' :
$CI =& get_instance();
$CI->load->helper('security');
return do_hash(uniqid(mt_rand(), TRUE), 'sha1');
break;
}
}
}
// ------------------------------------------------------------------------
/**
* Add's _1 to a string or increment the ending number to allow _2, _3, etc
*
* @param string $str required
* @param string $separator What should the duplicate number be appended with
* @param string $first Which number should be used for the first dupe increment
* @return string
*/
function increment_string($str, $separator = '_', $first = 1)
{
preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match);
return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first;
}
// ------------------------------------------------------------------------
/**
* Alternator
*
* Allows strings to be alternated. See docs...
*
* @access public
* @param string (as many parameters as needed)
* @return string
*/
if ( ! function_exists('alternator'))
{
function alternator()
{
static $i;
if (func_num_args() == 0)
{
$i = 0;
return '';
}
$args = func_get_args();
return $args[($i++ % count($args))];
}
}
// ------------------------------------------------------------------------
/**
* Repeater function
*
* @access public
* @param string
* @param integer number of repeats
* @return string
*/
if ( ! function_exists('repeater'))
{
function repeater($data, $num = 1)
{
return (($num > 0) ? str_repeat($data, $num) : '');
}
}
/* End of file string_helper.php */
/* Location: ./system/helpers/string_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Text Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/text_helper.html
*/
// ------------------------------------------------------------------------
/**
* Word Limiter
*
* Limits a string to X number of words.
*
* @access public
* @param string
* @param integer
* @param string the end character. Usually an ellipsis
* @return string
*/
if ( ! function_exists('word_limiter'))
{
function word_limiter($str, $limit = 100, $end_char = '&#8230;')
{
if (trim($str) == '')
{
return $str;
}
preg_match('/^\s*+(?:\S++\s*+){1,'.(int) $limit.'}/', $str, $matches);
if (strlen($str) == strlen($matches[0]))
{
$end_char = '';
}
return rtrim($matches[0]).$end_char;
}
}
// ------------------------------------------------------------------------
/**
* Character Limiter
*
* Limits the string based on the character count. Preserves complete words
* so the character count may not be exactly as specified.
*
* @access public
* @param string
* @param integer
* @param string the end character. Usually an ellipsis
* @return string
*/
if ( ! function_exists('character_limiter'))
{
function character_limiter($str, $n = 500, $end_char = '&#8230;')
{
if (strlen($str) < $n)
{
return $str;
}
$str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str));
if (strlen($str) <= $n)
{
return $str;
}
$out = "";
foreach (explode(' ', trim($str)) as $val)
{
$out .= $val.' ';
if (strlen($out) >= $n)
{
$out = trim($out);
return (strlen($out) == strlen($str)) ? $out : $out.$end_char;
}
}
}
}
// ------------------------------------------------------------------------
/**
* High ASCII to Entities
*
* Converts High ascii text and MS Word special characters to character entities
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('ascii_to_entities'))
{
function ascii_to_entities($str)
{
$count = 1;
$out = '';
$temp = array();
for ($i = 0, $s = strlen($str); $i < $s; $i++)
{
$ordinal = ord($str[$i]);
if ($ordinal < 128)
{
/*
If the $temp array has a value but we have moved on, then it seems only
fair that we output that entity and restart $temp before continuing. -Paul
*/
if (count($temp) == 1)
{
$out .= '&#'.array_shift($temp).';';
$count = 1;
}
$out .= $str[$i];
}
else
{
if (count($temp) == 0)
{
$count = ($ordinal < 224) ? 2 : 3;
}
$temp[] = $ordinal;
if (count($temp) == $count)
{
$number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
$out .= '&#'.$number.';';
$count = 1;
$temp = array();
}
}
}
return $out;
}
}
// ------------------------------------------------------------------------
/**
* Entities to ASCII
*
* Converts character entities back to ASCII
*
* @access public
* @param string
* @param bool
* @return string
*/
if ( ! function_exists('entities_to_ascii'))
{
function entities_to_ascii($str, $all = TRUE)
{
if (preg_match_all('/\&#(\d+)\;/', $str, $matches))
{
for ($i = 0, $s = count($matches['0']); $i < $s; $i++)
{
$digits = $matches['1'][$i];
$out = '';
if ($digits < 128)
{
$out .= chr($digits);
}
elseif ($digits < 2048)
{
$out .= chr(192 + (($digits - ($digits % 64)) / 64));
$out .= chr(128 + ($digits % 64));
}
else
{
$out .= chr(224 + (($digits - ($digits % 4096)) / 4096));
$out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64));
$out .= chr(128 + ($digits % 64));
}
$str = str_replace($matches['0'][$i], $out, $str);
}
}
if ($all)
{
$str = str_replace(array("&amp;", "&lt;", "&gt;", "&quot;", "&apos;", "&#45;"),
array("&","<",">","\"", "'", "-"),
$str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Word Censoring Function
*
* Supply a string and an array of disallowed words and any
* matched words will be converted to #### or to the replacement
* word you've submitted.
*
* @access public
* @param string the text string
* @param string the array of censoered words
* @param string the optional replacement value
* @return string
*/
if ( ! function_exists('word_censor'))
{
function word_censor($str, $censored, $replacement = '')
{
if ( ! is_array($censored))
{
return $str;
}
$str = ' '.$str.' ';
// \w, \b and a few others do not match on a unicode character
// set for performance reasons. As a result words like über
// will not match on a word boundary. Instead, we'll assume that
// a bad word will be bookeneded by any of these characters.
$delim = '[-_\'\"`(){}<>\[\]|!?@#%&,.:;^~*+=\/ 0-9\n\r\t]';
foreach ($censored as $badword)
{
if ($replacement != '')
{
$str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/i", "\\1{$replacement}\\3", $str);
}
else
{
$str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/ie", "'\\1'.str_repeat('#', strlen('\\2')).'\\3'", $str);
}
}
return trim($str);
}
}
// ------------------------------------------------------------------------
/**
* Code Highlighter
*
* Colorizes code strings
*
* @access public
* @param string the text string
* @return string
*/
if ( ! function_exists('highlight_code'))
{
function highlight_code($str)
{
// The highlight string function encodes and highlights
// brackets so we need them to start raw
$str = str_replace(array('&lt;', '&gt;'), array('<', '>'), $str);
// Replace any existing PHP tags to temporary markers so they don't accidentally
// break the string out of PHP, and thus, thwart the highlighting.
$str = str_replace(array('<?', '?>', '<%', '%>', '\\', '</script>'),
array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'), $str);
// The highlight_string function requires that the text be surrounded
// by PHP tags, which we will remove later
$str = '<?php '.$str.' ?>'; // <?
// All the magic happens here, baby!
$str = highlight_string($str, TRUE);
// Prior to PHP 5, the highligh function used icky <font> tags
// so we'll replace them with <span> tags.
if (abs(PHP_VERSION) < 5)
{
$str = str_replace(array('<font ', '</font>'), array('<span ', '</span>'), $str);
$str = preg_replace('#color="(.*?)"#', 'style="color: \\1"', $str);
}
// Remove our artificially added PHP, and the syntax highlighting that came with it
$str = preg_replace('/<span style="color: #([A-Z0-9]+)">&lt;\?php(&nbsp;| )/i', '<span style="color: #$1">', $str);
$str = preg_replace('/(<span style="color: #[A-Z0-9]+">.*?)\?&gt;<\/span>\n<\/span>\n<\/code>/is', "$1</span>\n</span>\n</code>", $str);
$str = preg_replace('/<span style="color: #[A-Z0-9]+"\><\/span>/i', '', $str);
// Replace our markers back to PHP tags.
$str = str_replace(array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'),
array('&lt;?', '?&gt;', '&lt;%', '%&gt;', '\\', '&lt;/script&gt;'), $str);
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Phrase Highlighter
*
* Highlights a phrase within a text string
*
* @access public
* @param string the text string
* @param string the phrase you'd like to highlight
* @param string the openging tag to precede the phrase with
* @param string the closing tag to end the phrase with
* @return string
*/
if ( ! function_exists('highlight_phrase'))
{
function highlight_phrase($str, $phrase, $tag_open = '<strong>', $tag_close = '</strong>')
{
if ($str == '')
{
return '';
}
if ($phrase != '')
{
return preg_replace('/('.preg_quote($phrase, '/').')/i', $tag_open."\\1".$tag_close, $str);
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Convert Accented Foreign Characters to ASCII
*
* @access public
* @param string the text string
* @return string
*/
if ( ! function_exists('convert_accented_characters'))
{
function convert_accented_characters($str)
{
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php');
}
elseif (is_file(APPPATH.'config/foreign_chars.php'))
{
include(APPPATH.'config/foreign_chars.php');
}
if ( ! isset($foreign_characters))
{
return $str;
}
return preg_replace(array_keys($foreign_characters), array_values($foreign_characters), $str);
}
}
// ------------------------------------------------------------------------
/**
* Word Wrap
*
* Wraps text at the specified character. Maintains the integrity of words.
* Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
* will URLs.
*
* @access public
* @param string the text string
* @param integer the number of characters to wrap at
* @return string
*/
if ( ! function_exists('word_wrap'))
{
function word_wrap($str, $charlim = '76')
{
// Se the character limit
if ( ! is_numeric($charlim))
$charlim = 76;
// Reduce multiple spaces
$str = preg_replace("| +|", " ", $str);
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// If the current word is surrounded by {unwrap} tags we'll
// strip the entire chunk and replace it with a marker.
$unwrap = array();
if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
{
for ($i = 0; $i < count($matches['0']); $i++)
{
$unwrap[] = $matches['1'][$i];
$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
}
}
// Use PHP's native function to do the initial wordwrap.
// We set the cut flag to FALSE so that any individual words that are
// too long get left alone. In the next step we'll deal with them.
$str = wordwrap($str, $charlim, "\n", FALSE);
// Split the string into individual lines of text and cycle through them
$output = "";
foreach (explode("\n", $str) as $line)
{
// Is the line within the allowed character count?
// If so we'll join it to the output and continue
if (strlen($line) <= $charlim)
{
$output .= $line."\n";
continue;
}
$temp = '';
while ((strlen($line)) > $charlim)
{
// If the over-length word is a URL we won't wrap it
if (preg_match("!\[url.+\]|://|wwww.!", $line))
{
break;
}
// Trim the word down
$temp .= substr($line, 0, $charlim-1);
$line = substr($line, $charlim-1);
}
// If $temp contains data it means we had to split up an over-length
// word into smaller chunks so we'll add it back to our current line
if ($temp != '')
{
$output .= $temp."\n".$line;
}
else
{
$output .= $line;
}
$output .= "\n";
}
// Put our markers back
if (count($unwrap) > 0)
{
foreach ($unwrap as $key => $val)
{
$output = str_replace("{{unwrapped".$key."}}", $val, $output);
}
}
// Remove the unwrap tags
$output = str_replace(array('{unwrap}', '{/unwrap}'), '', $output);
return $output;
}
}
// ------------------------------------------------------------------------
/**
* Ellipsize String
*
* This function will strip tags from a string, split it at its max_length and ellipsize
*
* @param string string to ellipsize
* @param integer max length of string
* @param mixed int (1|0) or float, .5, .2, etc for position to split
* @param string ellipsis ; Default '...'
* @return string ellipsized string
*/
if ( ! function_exists('ellipsize'))
{
function ellipsize($str, $max_length, $position = 1, $ellipsis = '&hellip;')
{
// Strip tags
$str = trim(strip_tags($str));
// Is the string long enough to ellipsize?
if (strlen($str) <= $max_length)
{
return $str;
}
$beg = substr($str, 0, floor($max_length * $position));
$position = ($position > 1) ? 1 : $position;
if ($position === 1)
{
$end = substr($str, 0, -($max_length - strlen($beg)));
}
else
{
$end = substr($str, -($max_length - strlen($beg)));
}
return $beg.$ellipsis.$end;
}
}
/* End of file text_helper.php */
/* Location: ./system/helpers/text_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Typography Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/typography_helper.html
*/
// ------------------------------------------------------------------------
/**
* Convert newlines to HTML line breaks except within PRE tags
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('nl2br_except_pre'))
{
function nl2br_except_pre($str)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->nl2br_except_pre($str);
}
}
// ------------------------------------------------------------------------
/**
* Auto Typography Wrapper Function
*
*
* @access public
* @param string
* @param bool whether to allow javascript event handlers
* @param bool whether to reduce multiple instances of double newlines to two
* @return string
*/
if ( ! function_exists('auto_typography'))
{
function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->auto_typography($str, $strip_js_event_handlers, $reduce_linebreaks);
}
}
// --------------------------------------------------------------------
/**
* HTML Entities Decode
*
* This function is a replacement for html_entity_decode()
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('entity_decode'))
{
function entity_decode($str, $charset='UTF-8')
{
global $SEC;
return $SEC->entity_decode($str, $charset);
}
}
/* End of file typography_helper.php */
/* Location: ./system/helpers/typography_helper.php */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter URL Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/url_helper.html
*/
// ------------------------------------------------------------------------
/**
* Site URL
*
* Create a local URL based on your basepath. Segments can be passed via the
* first parameter either as a string or an array.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('site_url'))
{
function site_url($uri = '')
{
$CI =& get_instance();
return $CI->config->site_url($uri);
}
}
// ------------------------------------------------------------------------
/**
* Base URL
*
* Create a local URL based on your basepath.
* Segments can be passed in as a string or an array, same as site_url
* or a URL to a file can be passed in, e.g. to an image file.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('base_url'))
{
function base_url($uri = '')
{
$CI =& get_instance();
return $CI->config->base_url($uri);
}
}
// ------------------------------------------------------------------------
/**
* Current URL
*
* Returns the full URL (including segments) of the page where this
* function is placed
*
* @access public
* @return string
*/
if ( ! function_exists('current_url'))
{
function current_url()
{
$CI =& get_instance();
return $CI->config->site_url($CI->uri->uri_string());
}
}
// ------------------------------------------------------------------------
/**
* URL String
*
* Returns the URI segments.
*
* @access public
* @return string
*/
if ( ! function_exists('uri_string'))
{
function uri_string()
{
$CI =& get_instance();
return $CI->uri->uri_string();
}
}
// ------------------------------------------------------------------------
/**
* Index page
*
* Returns the "index_page" from your config file
*
* @access public
* @return string
*/
if ( ! function_exists('index_page'))
{
function index_page()
{
$CI =& get_instance();
return $CI->config->item('index_page');
}
}
// ------------------------------------------------------------------------
/**
* Anchor Link
*
* Creates an anchor based on the local URL.
*
* @access public
* @param string the URL
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('anchor'))
{
function anchor($uri = '', $title = '', $attributes = '')
{
$title = (string) $title;
if ( ! is_array($uri))
{
$site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
}
else
{
$site_url = site_url($uri);
}
if ($title == '')
{
$title = $site_url;
}
if ($attributes != '')
{
$attributes = _parse_attributes($attributes);
}
return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
}
}
// ------------------------------------------------------------------------
/**
* Anchor Link - Pop-up version
*
* Creates an anchor based on the local URL. The link
* opens a new window based on the attributes specified.
*
* @access public
* @param string the URL
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('anchor_popup'))
{
function anchor_popup($uri = '', $title = '', $attributes = FALSE)
{
$title = (string) $title;
$site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
if ($title == '')
{
$title = $site_url;
}
if ($attributes === FALSE)
{
return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank');\">".$title."</a>";
}
if ( ! is_array($attributes))
{
$attributes = array();
}
foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val)
{
$atts[$key] = ( ! isset($attributes[$key])) ? $val : $attributes[$key];
unset($attributes[$key]);
}
if ($attributes != '')
{
$attributes = _parse_attributes($attributes);
}
return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>";
}
}
// ------------------------------------------------------------------------
/**
* Mailto Link
*
* @access public
* @param string the email address
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('mailto'))
{
function mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
if ($title == "")
{
$title = $email;
}
$attributes = _parse_attributes($attributes);
return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
}
}
// ------------------------------------------------------------------------
/**
* Encoded Mailto Link
*
* Create a spam-protected mailto link written in Javascript
*
* @access public
* @param string the email address
* @param string the link title
* @param mixed any attributes
* @return string
*/
if ( ! function_exists('safe_mailto'))
{
function safe_mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
if ($title == "")
{
$title = $email;
}
for ($i = 0; $i < 16; $i++)
{
$x[] = substr('<a href="mailto:', $i, 1);
}
for ($i = 0; $i < strlen($email); $i++)
{
$x[] = "|".ord(substr($email, $i, 1));
}
$x[] = '"';
if ($attributes != '')
{
if (is_array($attributes))
{
foreach ($attributes as $key => $val)
{
$x[] = ' '.$key.'="';
for ($i = 0; $i < strlen($val); $i++)
{
$x[] = "|".ord(substr($val, $i, 1));
}
$x[] = '"';
}
}
else
{
for ($i = 0; $i < strlen($attributes); $i++)
{
$x[] = substr($attributes, $i, 1);
}
}
}
$x[] = '>';
$temp = array();
for ($i = 0; $i < strlen($title); $i++)
{
$ordinal = ord($title[$i]);
if ($ordinal < 128)
{
$x[] = "|".$ordinal;
}
else
{
if (count($temp) == 0)
{
$count = ($ordinal < 224) ? 2 : 3;
}
$temp[] = $ordinal;
if (count($temp) == $count)
{
$number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
$x[] = "|".$number;
$count = 1;
$temp = array();
}
}
}
$x[] = '<'; $x[] = '/'; $x[] = 'a'; $x[] = '>';
$x = array_reverse($x);
ob_start();
?><script type="text/javascript">
//<![CDATA[
var l=new Array();
<?php
$i = 0;
foreach ($x as $val){ ?>l[<?php echo $i++; ?>]='<?php echo $val; ?>';<?php } ?>
for (var i = l.length-1; i >= 0; i=i-1){
if (l[i].substring(0, 1) == '|') document.write("&#"+unescape(l[i].substring(1))+";");
else document.write(unescape(l[i]));}
//]]>
</script><?php
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
}
// ------------------------------------------------------------------------
/**
* Auto-linker
*
* Automatically links URL and Email addresses.
* Note: There's a bit of extra code here to deal with
* URLs or emails that end in a period. We'll strip these
* off and add them after the link.
*
* @access public
* @param string the string
* @param string the type: email, url, or both
* @param bool whether to create pop-up links
* @return string
*/
if ( ! function_exists('auto_link'))
{
function auto_link($str, $type = 'both', $popup = FALSE)
{
if ($type != 'email')
{
if (preg_match_all("#(^|\s|\()((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i", $str, $matches))
{
$pop = ($popup == TRUE) ? " target=\"_blank\" " : "";
for ($i = 0; $i < count($matches['0']); $i++)
{
$period = '';
if (preg_match("|\.$|", $matches['6'][$i]))
{
$period = '.';
$matches['6'][$i] = substr($matches['6'][$i], 0, -1);
}
$str = str_replace($matches['0'][$i],
$matches['1'][$i].'<a href="http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].'"'.$pop.'>http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].'</a>'.
$period, $str);
}
}
}
if ($type != 'url')
{
if (preg_match_all("/([a-zA-Z0-9_\.\-\+]+)@([a-zA-Z0-9\-]+)\.([a-zA-Z0-9\-\.]*)/i", $str, $matches))
{
for ($i = 0; $i < count($matches['0']); $i++)
{
$period = '';
if (preg_match("|\.$|", $matches['3'][$i]))
{
$period = '.';
$matches['3'][$i] = substr($matches['3'][$i], 0, -1);
}
$str = str_replace($matches['0'][$i], safe_mailto($matches['1'][$i].'@'.$matches['2'][$i].'.'.$matches['3'][$i]).$period, $str);
}
}
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Prep URL
*
* Simply adds the http:// part if no scheme is included
*
* @access public
* @param string the URL
* @return string
*/
if ( ! function_exists('prep_url'))
{
function prep_url($str = '')
{
if ($str == 'http://' OR $str == '')
{
return '';
}
$url = parse_url($str);
if ( ! $url OR ! isset($url['scheme']))
{
$str = 'http://'.$str;
}
return $str;
}
}
// ------------------------------------------------------------------------
/**
* Create URL Title
*
* Takes a "title" string as input and creates a
* human-friendly URL string with a "separator" string
* as the word separator.
*
* @access public
* @param string the string
* @param string the separator
* @return string
*/
if ( ! function_exists('url_title'))
{
function url_title($str, $separator = '-', $lowercase = FALSE)
{
if ($separator == 'dash')
{
$separator = '-';
}
else if ($separator == 'underscore')
{
$separator = '_';
}
$q_separator = preg_quote($separator);
$trans = array(
'&.+?;' => '',
'[^a-z0-9 _-]' => '',
'\s+' => $separator,
'('.$q_separator.')+' => $separator
);
$str = strip_tags($str);
foreach ($trans as $key => $val)
{
$str = preg_replace("#".$key."#i", $val, $str);
}
if ($lowercase === TRUE)
{
$str = strtolower($str);
}
return trim($str, $separator);
}
}
// ------------------------------------------------------------------------
/**
* Header Redirect
*
* Header redirect in two flavors
* For very fine grained control over headers, you could use the Output
* Library's set_header() function.
*
* @access public
* @param string the URL
* @param string the method: location or redirect
* @return string
*/
if ( ! function_exists('redirect'))
{
function redirect($uri = '', $method = 'location', $http_response_code = 302)
{
if ( ! preg_match('#^https?://#i', $uri))
{
$uri = site_url($uri);
}
switch($method)
{
case 'refresh' : header("Refresh:0;url=".$uri);
break;
default : header("Location: ".$uri, TRUE, $http_response_code);
break;
}
exit;
}
}
// ------------------------------------------------------------------------
/**
* Parse out the attributes
*
* Some of the functions use this
*
* @access private
* @param array
* @param bool
* @return string
*/
if ( ! function_exists('_parse_attributes'))
{
function _parse_attributes($attributes, $javascript = FALSE)
{
if (is_string($attributes))
{
return ($attributes != '') ? ' '.$attributes : '';
}
$att = '';
foreach ($attributes as $key => $val)
{
if ($javascript == TRUE)
{
$att .= $key . '=' . $val . ',';
}
else
{
$att .= ' ' . $key . '="' . $val . '"';
}
}
if ($javascript == TRUE AND $att != '')
{
$att = substr($att, 0, -1);
}
return $att;
}
}
/* End of file url_helper.php */
/* Location: ./system/helpers/url_helper.php */

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