first commit

system/libraries/Cache/Cache.php

@@ -0,0 +1,216 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 2.0
+ * @filesource	
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Caching Class 
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Core
+ * @author		ExpressionEngine Dev Team
+ * @link		
+ */
+class CI_Cache extends CI_Driver_Library {
+	
+	protected $valid_drivers 	= array(
+		'cache_apc', 'cache_file', 'cache_memcached', 'cache_dummy'
+	);
+
+	protected $_cache_path		= NULL;		// Path of cache files (if file-based cache)
+	protected $_adapter			= 'dummy';
+	protected $_backup_driver;
+	
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Constructor
+	 *
+	 * @param array
+	 */
+	public function __construct($config = array())
+	{
+		if ( ! empty($config))
+		{
+			$this->_initialize($config);
+		}
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Get 
+	 *
+	 * Look for a value in the cache.  If it exists, return the data 
+	 * if not, return FALSE
+	 *
+	 * @param 	string	
+	 * @return 	mixed		value that is stored/FALSE on failure
+	 */
+	public function get($id)
+	{	
+		return $this->{$this->_adapter}->get($id);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Save
+	 *
+	 * @param 	string		Unique Key
+	 * @param 	mixed		Data to store
+	 * @param 	int			Length of time (in seconds) to cache the data
+	 *
+	 * @return 	boolean		true on success/false on failure
+	 */
+	public function save($id, $data, $ttl = 60)
+	{
+		return $this->{$this->_adapter}->save($id, $data, $ttl);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Delete from Cache
+	 *
+	 * @param 	mixed		unique identifier of the item in the cache
+	 * @return 	boolean		true on success/false on failure
+	 */
+	public function delete($id)
+	{
+		return $this->{$this->_adapter}->delete($id);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Clean the cache
+	 *
+	 * @return 	boolean		false on failure/true on success
+	 */
+	public function clean()
+	{
+		return $this->{$this->_adapter}->clean();
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Info
+	 *
+	 * @param 	string		user/filehits
+	 * @return 	mixed		array on success, false on failure	
+	 */
+	public function cache_info($type = 'user')
+	{
+		return $this->{$this->_adapter}->cache_info($type);
+	}
+
+	// ------------------------------------------------------------------------
+	
+	/**
+	 * Get Cache Metadata
+	 *
+	 * @param 	mixed		key to get cache metadata on
+	 * @return 	mixed		return value from child method
+	 */
+	public function get_metadata($id)
+	{
+		return $this->{$this->_adapter}->get_metadata($id);
+	}
+	
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Initialize
+	 *
+	 * Initialize class properties based on the configuration array.
+	 *
+	 * @param	array 	
+	 * @return 	void
+	 */
+	private function _initialize($config)
+	{        
+		$default_config = array(
+				'adapter',
+				'memcached'
+			);
+
+		foreach ($default_config as $key)
+		{
+			if (isset($config[$key]))
+			{
+				$param = '_'.$key;
+
+				$this->{$param} = $config[$key];
+			}
+		}
+
+		if (isset($config['backup']))
+		{
+			if (in_array('cache_'.$config['backup'], $this->valid_drivers))
+			{
+				$this->_backup_driver = $config['backup'];
+			}
+		}
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Is the requested driver supported in this environment?
+	 *
+	 * @param 	string	The driver to test.
+	 * @return 	array
+	 */
+	public function is_supported($driver)
+	{
+		static $support = array();
+
+		if ( ! isset($support[$driver]))
+		{
+			$support[$driver] = $this->{$driver}->is_supported();
+		}
+
+		return $support[$driver];
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * __get()
+	 *
+	 * @param 	child
+	 * @return 	object
+	 */
+	public function __get($child)
+	{
+		$obj = parent::__get($child);
+
+		if ( ! $this->is_supported($child))
+		{
+			$this->_adapter = $this->_backup_driver;
+		}
+
+		return $obj;
+	}
+	
+	// ------------------------------------------------------------------------
+}
+// End Class
+
+/* End of file Cache.php */
+/* Location: ./system/libraries/Cache/Cache.php */

system/libraries/Cache/drivers/Cache_apc.php

@@ -0,0 +1,151 @@
+<?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) 2006 - 2012 EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 2.0
+ * @filesource	
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter APC Caching Class 
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Core
+ * @author		ExpressionEngine Dev Team
+ * @link		
+ */
+
+class CI_Cache_apc extends CI_Driver {
+
+	/**
+	 * Get 
+	 *
+	 * Look for a value in the cache.  If it exists, return the data 
+	 * if not, return FALSE
+	 *
+	 * @param 	string	
+	 * @return 	mixed		value that is stored/FALSE on failure
+	 */
+	public function get($id)
+	{
+		$data = apc_fetch($id);
+
+		return (is_array($data)) ? $data[0] : FALSE;
+	}
+
+	// ------------------------------------------------------------------------	
+	
+	/**
+	 * Cache Save
+	 *
+	 * @param 	string		Unique Key
+	 * @param 	mixed		Data to store
+	 * @param 	int			Length of time (in seconds) to cache the data
+	 *
+	 * @return 	boolean		true on success/false on failure
+	 */
+	public function save($id, $data, $ttl = 60)
+	{
+		return apc_store($id, array($data, time(), $ttl), $ttl);
+	}
+	
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Delete from Cache
+	 *
+	 * @param 	mixed		unique identifier of the item in the cache
+	 * @param 	boolean		true on success/false on failure
+	 */
+	public function delete($id)
+	{
+		return apc_delete($id);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Clean the cache
+	 *
+	 * @return 	boolean		false on failure/true on success
+	 */
+	public function clean()
+	{
+		return apc_clear_cache('user');
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Info
+	 *
+	 * @param 	string		user/filehits
+	 * @return 	mixed		array on success, false on failure	
+	 */
+	 public function cache_info($type = NULL)
+	 {
+		 return apc_cache_info($type);
+	 }
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Get Cache Metadata
+	 *
+	 * @param 	mixed		key to get cache metadata on
+	 * @return 	mixed		array on success/false on failure
+	 */
+	public function get_metadata($id)
+	{
+		$stored = apc_fetch($id);
+
+		if (count($stored) !== 3)
+		{
+			return FALSE;
+		}
+
+		list($data, $time, $ttl) = $stored;
+
+		return array(
+			'expire'	=> $time + $ttl,
+			'mtime'		=> $time,
+			'data'		=> $data
+		);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * is_supported()
+	 *
+	 * Check to see if APC is available on this system, bail if it isn't.
+	 */
+	public function is_supported()
+	{
+		if ( ! extension_loaded('apc') OR ini_get('apc.enabled') != "1")
+		{
+			log_message('error', 'The APC PHP extension must be loaded to use APC Cache.');
+			return FALSE;
+		}
+		
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	
+}
+// End Class
+
+/* End of file Cache_apc.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_apc.php */

system/libraries/Cache/drivers/Cache_dummy.php

@@ -0,0 +1,129 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 2.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Dummy Caching Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Core
+ * @author		ExpressionEngine Dev Team
+ * @link
+ */
+
+class CI_Cache_dummy extends CI_Driver {
+
+	/**
+	 * Get
+	 *
+	 * Since this is the dummy class, it's always going to return FALSE.
+	 *
+	 * @param 	string
+	 * @return 	Boolean		FALSE
+	 */
+	public function get($id)
+	{
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Save
+	 *
+	 * @param 	string		Unique Key
+	 * @param 	mixed		Data to store
+	 * @param 	int			Length of time (in seconds) to cache the data
+	 *
+	 * @return 	boolean		TRUE, Simulating success
+	 */
+	public function save($id, $data, $ttl = 60)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Delete from Cache
+	 *
+	 * @param 	mixed		unique identifier of the item in the cache
+	 * @param 	boolean		TRUE, simulating success
+	 */
+	public function delete($id)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Clean the cache
+	 *
+	 * @return 	boolean		TRUE, simulating success
+	 */
+	public function clean()
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Info
+	 *
+	 * @param 	string		user/filehits
+	 * @return 	boolean		FALSE
+	 */
+	 public function cache_info($type = NULL)
+	 {
+		 return FALSE;
+	 }
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Get Cache Metadata
+	 *
+	 * @param 	mixed		key to get cache metadata on
+	 * @return 	boolean		FALSE
+	 */
+	public function get_metadata($id)
+	{
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Is this caching driver supported on the system?
+	 * Of course this one is.
+	 *
+	 * @return TRUE;
+	 */
+	public function is_supported()
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+}
+// End Class
+
+/* End of file Cache_dummy.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_dummy.php */

system/libraries/Cache/drivers/Cache_file.php

@@ -0,0 +1,195 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 2.0
+ * @filesource	
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Memcached Caching Class 
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Core
+ * @author		ExpressionEngine Dev Team
+ * @link		
+ */
+
+class CI_Cache_file extends CI_Driver {
+
+	protected $_cache_path;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		$CI =& get_instance();
+		$CI->load->helper('file');
+		
+		$path = $CI->config->item('cache_path');
+	
+		$this->_cache_path = ($path == '') ? APPPATH.'cache/' : $path;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Fetch from cache
+	 *
+	 * @param 	mixed		unique key id
+	 * @return 	mixed		data on success/false on failure
+	 */
+	public function get($id)
+	{
+		if ( ! file_exists($this->_cache_path.$id))
+		{
+			return FALSE;
+		}
+		
+		$data = read_file($this->_cache_path.$id);
+		$data = unserialize($data);
+		
+		if (time() >  $data['time'] + $data['ttl'])
+		{
+			unlink($this->_cache_path.$id);
+			return FALSE;
+		}
+		
+		return $data['data'];
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Save into cache
+	 *
+	 * @param 	string		unique key
+	 * @param 	mixed		data to store
+	 * @param 	int			length of time (in seconds) the cache is valid 
+	 *						- Default is 60 seconds
+	 * @return 	boolean		true on success/false on failure
+	 */
+	public function save($id, $data, $ttl = 60)
+	{		
+		$contents = array(
+				'time'		=> time(),
+				'ttl'		=> $ttl,			
+				'data'		=> $data
+			);
+		
+		if (write_file($this->_cache_path.$id, serialize($contents)))
+		{
+			@chmod($this->_cache_path.$id, 0777);
+			return TRUE;			
+		}
+
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Delete from Cache
+	 *
+	 * @param 	mixed		unique identifier of item in cache
+	 * @return 	boolean		true on success/false on failure
+	 */
+	public function delete($id)
+	{
+		return unlink($this->_cache_path.$id);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Clean the Cache
+	 *
+	 * @return 	boolean		false on failure/true on success
+	 */	
+	public function clean()
+	{
+		return delete_files($this->_cache_path);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Info
+	 *
+	 * Not supported by file-based caching
+	 *
+	 * @param 	string	user/filehits
+	 * @return 	mixed 	FALSE
+	 */
+	public function cache_info($type = NULL)
+	{
+		return get_dir_file_info($this->_cache_path);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Get Cache Metadata
+	 *
+	 * @param 	mixed		key to get cache metadata on
+	 * @return 	mixed		FALSE on failure, array on success.
+	 */
+	public function get_metadata($id)
+	{
+		if ( ! file_exists($this->_cache_path.$id))
+		{
+			return FALSE;
+		}
+
+		$data = read_file($this->_cache_path.$id);
+		$data = unserialize($data);
+
+		if (is_array($data))
+		{
+			$mtime = filemtime($this->_cache_path.$id);
+
+			if ( ! isset($data['ttl']))
+			{
+				return FALSE;
+			}
+
+			return array(
+				'expire'	=> $mtime + $data['ttl'],
+				'mtime'		=> $mtime
+			);
+		}
+
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Is supported
+	 *
+	 * In the file driver, check to see that the cache directory is indeed writable
+	 * 
+	 * @return boolean
+	 */
+	public function is_supported()
+	{
+		return is_really_writable($this->_cache_path);
+	}
+
+	// ------------------------------------------------------------------------
+}
+// End Class
+
+/* End of file Cache_file.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_file.php */

system/libraries/Cache/drivers/Cache_memcached.php

@@ -0,0 +1,218 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2006 - 2012 EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 2.0
+ * @filesource	
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Memcached Caching Class 
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Core
+ * @author		ExpressionEngine Dev Team
+ * @link		
+ */
+
+class CI_Cache_memcached extends CI_Driver {
+
+	private $_memcached;	// Holds the memcached object
+
+	protected $_memcache_conf 	= array(
+					'default' => array(
+						'default_host'		=> '127.0.0.1',
+						'default_port'		=> 11211,
+						'default_weight'	=> 1
+					)
+				);
+
+	// ------------------------------------------------------------------------	
+
+	/**
+	 * Fetch from cache
+	 *
+	 * @param 	mixed		unique key id
+	 * @return 	mixed		data on success/false on failure
+	 */	
+	public function get($id)
+	{	
+		$data = $this->_memcached->get($id);
+		
+		return (is_array($data)) ? $data[0] : FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Save
+	 *
+	 * @param 	string		unique identifier
+	 * @param 	mixed		data being cached
+	 * @param 	int			time to live
+	 * @return 	boolean 	true on success, false on failure
+	 */
+	public function save($id, $data, $ttl = 60)
+	{
+		if (get_class($this->_memcached) == 'Memcached')
+		{
+			return $this->_memcached->set($id, array($data, time(), $ttl), $ttl);
+		}
+		else if (get_class($this->_memcached) == 'Memcache')
+		{
+			return $this->_memcached->set($id, array($data, time(), $ttl), 0, $ttl);
+		}
+		
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+	
+	/**
+	 * Delete from Cache
+	 *
+	 * @param 	mixed		key to be deleted.
+	 * @return 	boolean 	true on success, false on failure
+	 */
+	public function delete($id)
+	{
+		return $this->_memcached->delete($id);
+	}
+
+	// ------------------------------------------------------------------------
+	
+	/**
+	 * Clean the Cache
+	 *
+	 * @return 	boolean		false on failure/true on success
+	 */
+	public function clean()
+	{
+		return $this->_memcached->flush();
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Cache Info
+	 *
+	 * @param 	null		type not supported in memcached
+	 * @return 	mixed 		array on success, false on failure
+	 */
+	public function cache_info($type = NULL)
+	{
+		return $this->_memcached->getStats();
+	}
+
+	// ------------------------------------------------------------------------
+	
+	/**
+	 * Get Cache Metadata
+	 *
+	 * @param 	mixed		key to get cache metadata on
+	 * @return 	mixed		FALSE on failure, array on success.
+	 */
+	public function get_metadata($id)
+	{
+		$stored = $this->_memcached->get($id);
+
+		if (count($stored) !== 3)
+		{
+			return FALSE;
+		}
+
+		list($data, $time, $ttl) = $stored;
+
+		return array(
+			'expire'	=> $time + $ttl,
+			'mtime'		=> $time,
+			'data'		=> $data
+		);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Setup memcached.
+	 */
+	private function _setup_memcached()
+	{
+		// Try to load memcached server info from the config file.
+		$CI =& get_instance();
+		if ($CI->config->load('memcached', TRUE, TRUE))
+		{
+			if (is_array($CI->config->config['memcached']))
+			{
+				$this->_memcache_conf = NULL;
+
+				foreach ($CI->config->config['memcached'] as $name => $conf)
+				{
+					$this->_memcache_conf[$name] = $conf;
+				}				
+			}			
+		}
+		
+		$this->_memcached = new Memcached();
+
+		foreach ($this->_memcache_conf as $name => $cache_server)
+		{
+			if ( ! array_key_exists('hostname', $cache_server))
+			{
+				$cache_server['hostname'] = $this->_default_options['default_host'];
+			}
+	
+			if ( ! array_key_exists('port', $cache_server))
+			{
+				$cache_server['port'] = $this->_default_options['default_port'];
+			}
+	
+			if ( ! array_key_exists('weight', $cache_server))
+			{
+				$cache_server['weight'] = $this->_default_options['default_weight'];
+			}
+	
+			$this->_memcached->addServer(
+					$cache_server['hostname'], $cache_server['port'], $cache_server['weight']
+			);
+		}
+	}
+
+	// ------------------------------------------------------------------------
+
+
+	/**
+	 * Is supported
+	 *
+	 * Returns FALSE if memcached is not supported on the system.
+	 * If it is, we setup the memcached object & return TRUE
+	 */
+	public function is_supported()
+	{
+		if ( ! extension_loaded('memcached'))
+		{
+			log_message('error', 'The Memcached Extension must be loaded to use Memcached Cache.');
+			
+			return FALSE;
+		}
+		
+		$this->_setup_memcached();
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+}
+// End Class
+
+/* End of file Cache_memcached.php */
+/* Location: ./system/libraries/Cache/drivers/Cache_memcached.php */

system/libraries/Calendar.php

@@ -0,0 +1,475 @@
+<?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 Calendar Class
+ *
+ * This class enables the creation of calendars
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/calendar.html
+ */
+class CI_Calendar {
+
+	var $CI;
+	var $lang;
+	var $local_time;
+	var $template		= '';
+	var $start_day		= 'sunday';
+	var $month_type		= 'long';
+	var $day_type		= 'abr';
+	var $show_next_prev	= FALSE;
+	var $next_prev_url	= '';
+
+	/**
+	 * Constructor
+	 *
+	 * Loads the calendar language file and sets the default time reference
+	 */
+	public function __construct($config = array())
+	{
+		$this->CI =& get_instance();
+
+		if ( ! in_array('calendar_lang.php', $this->CI->lang->is_loaded, TRUE))
+		{
+			$this->CI->lang->load('calendar');
+		}
+
+		$this->local_time = time();
+
+		if (count($config) > 0)
+		{
+			$this->initialize($config);
+		}
+
+		log_message('debug', "Calendar Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize the user preferences
+	 *
+	 * Accepts an associative array as input, containing display preferences
+	 *
+	 * @access	public
+	 * @param	array	config preferences
+	 * @return	void
+	 */
+	function initialize($config = array())
+	{
+		foreach ($config as $key => $val)
+		{
+			if (isset($this->$key))
+			{
+				$this->$key = $val;
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate the calendar
+	 *
+	 * @access	public
+	 * @param	integer	the year
+	 * @param	integer	the month
+	 * @param	array	the data to be shown in the calendar cells
+	 * @return	string
+	 */
+	function generate($year = '', $month = '', $data = array())
+	{
+		// Set and validate the supplied month/year
+		if ($year == '')
+			$year  = date("Y", $this->local_time);
+
+		if ($month == '')
+			$month = date("m", $this->local_time);
+
+		if (strlen($year) == 1)
+			$year = '200'.$year;
+
+		if (strlen($year) == 2)
+			$year = '20'.$year;
+
+		if (strlen($month) == 1)
+			$month = '0'.$month;
+
+		$adjusted_date = $this->adjust_date($month, $year);
+
+		$month	= $adjusted_date['month'];
+		$year	= $adjusted_date['year'];
+
+		// Determine the total days in the month
+		$total_days = $this->get_total_days($month, $year);
+
+		// Set the starting day of the week
+		$start_days	= array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6);
+		$start_day = ( ! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
+
+		// Set the starting day number
+		$local_date = mktime(12, 0, 0, $month, 1, $year);
+		$date = getdate($local_date);
+		$day  = $start_day + 1 - $date["wday"];
+
+		while ($day > 1)
+		{
+			$day -= 7;
+		}
+
+		// Set the current month/year/day
+		// We use this to determine the "today" date
+		$cur_year	= date("Y", $this->local_time);
+		$cur_month	= date("m", $this->local_time);
+		$cur_day	= date("j", $this->local_time);
+
+		$is_current_month = ($cur_year == $year AND $cur_month == $month) ? TRUE : FALSE;
+
+		// Generate the template data array
+		$this->parse_template();
+
+		// Begin building the calendar output
+		$out = $this->temp['table_open'];
+		$out .= "\n";
+
+		$out .= "\n";
+		$out .= $this->temp['heading_row_start'];
+		$out .= "\n";
+
+		// "previous" month link
+		if ($this->show_next_prev == TRUE)
+		{
+			// Add a trailing slash to the  URL if needed
+			$this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/",  $this->next_prev_url);
+
+			$adjusted_date = $this->adjust_date($month - 1, $year);
+			$out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']);
+			$out .= "\n";
+		}
+
+		// Heading containing the month/year
+		$colspan = ($this->show_next_prev == TRUE) ? 5 : 7;
+
+		$this->temp['heading_title_cell'] = str_replace('{colspan}', $colspan, $this->temp['heading_title_cell']);
+		$this->temp['heading_title_cell'] = str_replace('{heading}', $this->get_month_name($month)."&nbsp;".$year, $this->temp['heading_title_cell']);
+
+		$out .= $this->temp['heading_title_cell'];
+		$out .= "\n";
+
+		// "next" month link
+		if ($this->show_next_prev == TRUE)
+		{
+			$adjusted_date = $this->adjust_date($month + 1, $year);
+			$out .= str_replace('{next_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_next_cell']);
+		}
+
+		$out .= "\n";
+		$out .= $this->temp['heading_row_end'];
+		$out .= "\n";
+
+		// Write the cells containing the days of the week
+		$out .= "\n";
+		$out .= $this->temp['week_row_start'];
+		$out .= "\n";
+
+		$day_names = $this->get_day_names();
+
+		for ($i = 0; $i < 7; $i ++)
+		{
+			$out .= str_replace('{week_day}', $day_names[($start_day + $i) %7], $this->temp['week_day_cell']);
+		}
+
+		$out .= "\n";
+		$out .= $this->temp['week_row_end'];
+		$out .= "\n";
+
+		// Build the main body of the calendar
+		while ($day <= $total_days)
+		{
+			$out .= "\n";
+			$out .= $this->temp['cal_row_start'];
+			$out .= "\n";
+
+			for ($i = 0; $i < 7; $i++)
+			{
+				$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_start_today'] : $this->temp['cal_cell_start'];
+
+				if ($day > 0 AND $day <= $total_days)
+				{
+					if (isset($data[$day]))
+					{
+						// Cells with content
+						$temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_content_today'] : $this->temp['cal_cell_content'];
+						$out .= str_replace('{day}', $day, str_replace('{content}', $data[$day], $temp));
+					}
+					else
+					{
+						// Cells with no content
+						$temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_no_content_today'] : $this->temp['cal_cell_no_content'];
+						$out .= str_replace('{day}', $day, $temp);
+					}
+				}
+				else
+				{
+					// Blank cells
+					$out .= $this->temp['cal_cell_blank'];
+				}
+
+				$out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];					
+				$day++;
+			}
+
+			$out .= "\n";
+			$out .= $this->temp['cal_row_end'];
+			$out .= "\n";
+		}
+
+		$out .= "\n";
+		$out .= $this->temp['table_close'];
+
+		return $out;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Month Name
+	 *
+	 * Generates a textual month name based on the numeric
+	 * month provided.
+	 *
+	 * @access	public
+	 * @param	integer	the month
+	 * @return	string
+	 */
+	function get_month_name($month)
+	{
+		if ($this->month_type == 'short')
+		{
+			$month_names = array('01' => 'cal_jan', '02' => 'cal_feb', '03' => 'cal_mar', '04' => 'cal_apr', '05' => 'cal_may', '06' => 'cal_jun', '07' => 'cal_jul', '08' => 'cal_aug', '09' => 'cal_sep', '10' => 'cal_oct', '11' => 'cal_nov', '12' => 'cal_dec');
+		}
+		else
+		{
+			$month_names = array('01' => 'cal_january', '02' => 'cal_february', '03' => 'cal_march', '04' => 'cal_april', '05' => 'cal_mayl', '06' => 'cal_june', '07' => 'cal_july', '08' => 'cal_august', '09' => 'cal_september', '10' => 'cal_october', '11' => 'cal_november', '12' => 'cal_december');
+		}
+
+		$month = $month_names[$month];
+
+		if ($this->CI->lang->line($month) === FALSE)
+		{
+			return ucfirst(str_replace('cal_', '', $month));
+		}
+
+		return $this->CI->lang->line($month);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Day Names
+	 *
+	 * Returns an array of day names (Sunday, Monday, etc.) based
+	 * on the type.  Options: long, short, abrev
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	array
+	 */
+	function get_day_names($day_type = '')
+	{
+		if ($day_type != '')
+			$this->day_type = $day_type;
+
+		if ($this->day_type == 'long')
+		{
+			$day_names = array('sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday');
+		}
+		elseif ($this->day_type == 'short')
+		{
+			$day_names = array('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat');
+		}
+		else
+		{
+			$day_names = array('su', 'mo', 'tu', 'we', 'th', 'fr', 'sa');
+		}
+
+		$days = array();
+		foreach ($day_names as $val)
+		{
+			$days[] = ($this->CI->lang->line('cal_'.$val) === FALSE) ? ucfirst($val) : $this->CI->lang->line('cal_'.$val);
+		}
+
+		return $days;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Adjust Date
+	 *
+	 * This function makes sure that we have a valid month/year.
+	 * For example, if you submit 13 as the month, the year will
+	 * increment and the month will become January.
+	 *
+	 * @access	public
+	 * @param	integer	the month
+	 * @param	integer	the year
+	 * @return	array
+	 */
+	function adjust_date($month, $year)
+	{
+		$date = array();
+
+		$date['month']	= $month;
+		$date['year']	= $year;
+
+		while ($date['month'] > 12)
+		{
+			$date['month'] -= 12;
+			$date['year']++;
+		}
+
+		while ($date['month'] <= 0)
+		{
+			$date['month'] += 12;
+			$date['year']--;
+		}
+
+		if (strlen($date['month']) == 1)
+		{
+			$date['month'] = '0'.$date['month'];
+		}
+
+		return $date;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Total days in a given month
+	 *
+	 * @access	public
+	 * @param	integer	the month
+	 * @param	integer	the year
+	 * @return	integer
+	 */
+	function get_total_days($month, $year)
+	{
+		$days_in_month	= array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+
+		if ($month < 1 OR $month > 12)
+		{
+			return 0;
+		}
+
+		// Is the year a leap year?
+		if ($month == 2)
+		{
+			if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+			{
+				return 29;
+			}
+		}
+
+		return $days_in_month[$month - 1];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Default Template Data
+	 *
+	 * This is used in the event that the user has not created their own template
+	 *
+	 * @access	public
+	 * @return array
+	 */
+	function default_template()
+	{
+		return  array (
+						'table_open'				=> '<table border="0" cellpadding="4" cellspacing="0">',
+						'heading_row_start'			=> '<tr>',
+						'heading_previous_cell'		=> '<th><a href="{previous_url}">&lt;&lt;</a></th>',
+						'heading_title_cell'		=> '<th colspan="{colspan}">{heading}</th>',
+						'heading_next_cell'			=> '<th><a href="{next_url}">&gt;&gt;</a></th>',
+						'heading_row_end'			=> '</tr>',
+						'week_row_start'			=> '<tr>',
+						'week_day_cell'				=> '<td>{week_day}</td>',
+						'week_row_end'				=> '</tr>',
+						'cal_row_start'				=> '<tr>',
+						'cal_cell_start'			=> '<td>',
+						'cal_cell_start_today'		=> '<td>',
+						'cal_cell_content'			=> '<a href="{content}">{day}</a>',
+						'cal_cell_content_today'	=> '<a href="{content}"><strong>{day}</strong></a>',
+						'cal_cell_no_content'		=> '{day}',
+						'cal_cell_no_content_today'	=> '<strong>{day}</strong>',
+						'cal_cell_blank'			=> '&nbsp;',
+						'cal_cell_end'				=> '</td>',
+						'cal_cell_end_today'		=> '</td>',
+						'cal_row_end'				=> '</tr>',
+						'table_close'				=> '</table>'
+					);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Parse Template
+	 *
+	 * Harvests the data within the template {pseudo-variables}
+	 * used to display the calendar
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function parse_template()
+	{
+		$this->temp = $this->default_template();
+
+		if ($this->template == '')
+		{
+			return;
+		}
+
+		$today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today');
+
+		foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content',  'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val)
+		{
+			if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match))
+			{
+				$this->temp[$val] = $match['1'];
+			}
+			else
+			{
+				if (in_array($val, $today, TRUE))
+				{
+					$this->temp[$val] = $this->temp[str_replace('_today', '', $val)];
+				}
+			}
+		}
+	}
+
+}
+
+// END CI_Calendar class
+
+/* End of file Calendar.php */
+/* Location: ./system/libraries/Calendar.php */

system/libraries/Cart.php

@@ -0,0 +1,552 @@
+<?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) 2006 - 2012, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Shopping Cart Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Shopping Cart
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/cart.html
+ */
+class CI_Cart {
+
+	// These are the regular expression rules that we use to validate the product ID and product name
+	var $product_id_rules	= '\.a-z0-9_-'; // alpha-numeric, dashes, underscores, or periods
+	var $product_name_rules	= '\.\:\-_ a-z0-9'; // alpha-numeric, dashes, underscores, colons or periods
+
+	// Private variables.  Do not change!
+	var $CI;
+	var $_cart_contents	= array();
+
+
+	/**
+	 * Shopping Class Constructor
+	 *
+	 * The constructor loads the Session class, used to store the shopping cart contents.
+	 */
+	public function __construct($params = array())
+	{
+		// Set the super object to a local variable for use later
+		$this->CI =& get_instance();
+
+		// Are any config settings being passed manually?  If so, set them
+		$config = array();
+		if (count($params) > 0)
+		{
+			foreach ($params as $key => $val)
+			{
+				$config[$key] = $val;
+			}
+		}
+
+		// Load the Sessions class
+		$this->CI->load->library('session', $config);
+
+		// Grab the shopping cart array from the session table, if it exists
+		if ($this->CI->session->userdata('cart_contents') !== FALSE)
+		{
+			$this->_cart_contents = $this->CI->session->userdata('cart_contents');
+		}
+		else
+		{
+			// No cart exists so we'll set some base values
+			$this->_cart_contents['cart_total'] = 0;
+			$this->_cart_contents['total_items'] = 0;
+		}
+
+		log_message('debug', "Cart Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Insert items into the cart and save it to the session table
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	bool
+	 */
+	function insert($items = array())
+	{
+		// Was any cart data passed? No? Bah...
+		if ( ! is_array($items) OR count($items) == 0)
+		{
+			log_message('error', 'The insert method must be passed an array containing data.');
+			return FALSE;
+		}
+
+		// You can either insert a single product using a one-dimensional array,
+		// or multiple products using a multi-dimensional one. The way we
+		// determine the array type is by looking for a required array key named "id"
+		// at the top level. If it's not found, we will assume it's a multi-dimensional array.
+
+		$save_cart = FALSE;
+		if (isset($items['id']))
+		{
+			if (($rowid = $this->_insert($items)))
+			{
+				$save_cart = TRUE;
+			}
+		}
+		else
+		{
+			foreach ($items as $val)
+			{
+				if (is_array($val) AND isset($val['id']))
+				{
+					if ($this->_insert($val))
+					{
+						$save_cart = TRUE;
+					}
+				}
+			}
+		}
+
+		// Save the cart data if the insert was successful
+		if ($save_cart == TRUE)
+		{
+			$this->_save_cart();
+			return isset($rowid) ? $rowid : TRUE;
+		}
+
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Insert
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	bool
+	 */
+	function _insert($items = array())
+	{
+		// Was any cart data passed? No? Bah...
+		if ( ! is_array($items) OR count($items) == 0)
+		{
+			log_message('error', 'The insert method must be passed an array containing data.');
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Does the $items array contain an id, quantity, price, and name?  These are required
+		if ( ! isset($items['id']) OR ! isset($items['qty']) OR ! isset($items['price']) OR ! isset($items['name']))
+		{
+			log_message('error', 'The cart array must contain a product ID, quantity, price, and name.');
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Prep the quantity. It can only be a number.  Duh...
+		$items['qty'] = trim(preg_replace('/([^0-9])/i', '', $items['qty']));
+		// Trim any leading zeros
+		$items['qty'] = trim(preg_replace('/(^[0]+)/i', '', $items['qty']));
+
+		// If the quantity is zero or blank there's nothing for us to do
+		if ( ! is_numeric($items['qty']) OR $items['qty'] == 0)
+		{
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Validate the product ID. It can only be alpha-numeric, dashes, underscores or periods
+		// Not totally sure we should impose this rule, but it seems prudent to standardize IDs.
+		// Note: These can be user-specified by setting the $this->product_id_rules variable.
+		if ( ! preg_match("/^[".$this->product_id_rules."]+$/i", $items['id']))
+		{
+			log_message('error', 'Invalid product ID.  The product ID can only contain alpha-numeric characters, dashes, and underscores');
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods.
+		// Note: These can be user-specified by setting the $this->product_name_rules variable.
+		if ( ! preg_match("/^[".$this->product_name_rules."]+$/i", $items['name']))
+		{
+			log_message('error', 'An invalid name was submitted as the product name: '.$items['name'].' The name can only contain alpha-numeric characters, dashes, underscores, colons, and spaces');
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Prep the price.  Remove anything that isn't a number or decimal point.
+		$items['price'] = trim(preg_replace('/([^0-9\.])/i', '', $items['price']));
+		// Trim any leading zeros
+		$items['price'] = trim(preg_replace('/(^[0]+)/i', '', $items['price']));
+
+		// Is the price a valid number?
+		if ( ! is_numeric($items['price']))
+		{
+			log_message('error', 'An invalid price was submitted for product ID: '.$items['id']);
+			return FALSE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// We now need to create a unique identifier for the item being inserted into the cart.
+		// Every time something is added to the cart it is stored in the master cart array.
+		// Each row in the cart array, however, must have a unique index that identifies not only
+		// a particular product, but makes it possible to store identical products with different options.
+		// For example, what if someone buys two identical t-shirts (same product ID), but in
+		// different sizes?  The product ID (and other attributes, like the name) will be identical for
+		// both sizes because it's the same shirt. The only difference will be the size.
+		// Internally, we need to treat identical submissions, but with different options, as a unique product.
+		// Our solution is to convert the options array to a string and MD5 it along with the product ID.
+		// This becomes the unique "row ID"
+		if (isset($items['options']) AND count($items['options']) > 0)
+		{
+			$rowid = md5($items['id'].implode('', $items['options']));
+		}
+		else
+		{
+			// No options were submitted so we simply MD5 the product ID.
+			// Technically, we don't need to MD5 the ID in this case, but it makes
+			// sense to standardize the format of array indexes for both conditions
+			$rowid = md5($items['id']);
+		}
+
+		// --------------------------------------------------------------------
+
+		// Now that we have our unique "row ID", we'll add our cart items to the master array
+
+		// let's unset this first, just to make sure our index contains only the data from this submission
+		unset($this->_cart_contents[$rowid]);
+
+		// Create a new index with our new row ID
+		$this->_cart_contents[$rowid]['rowid'] = $rowid;
+
+		// And add the new items to the cart array
+		foreach ($items as $key => $val)
+		{
+			$this->_cart_contents[$rowid][$key] = $val;
+		}
+
+		// Woot!
+		return $rowid;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Update the cart
+	 *
+	 * This function permits the quantity of a given item to be changed.
+	 * Typically it is called from the "view cart" page if a user makes
+	 * changes to the quantity before checkout. That array must contain the
+	 * product ID and quantity for each item.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @param	string
+	 * @return	bool
+	 */
+	function update($items = array())
+	{
+		// Was any cart data passed?
+		if ( ! is_array($items) OR count($items) == 0)
+		{
+			return FALSE;
+		}
+
+		// You can either update a single product using a one-dimensional array,
+		// or multiple products using a multi-dimensional one.  The way we
+		// determine the array type is by looking for a required array key named "id".
+		// If it's not found we assume it's a multi-dimensional array
+		$save_cart = FALSE;
+		if (isset($items['rowid']) AND isset($items['qty']))
+		{
+			if ($this->_update($items) == TRUE)
+			{
+				$save_cart = TRUE;
+			}
+		}
+		else
+		{
+			foreach ($items as $val)
+			{
+				if (is_array($val) AND isset($val['rowid']) AND isset($val['qty']))
+				{
+					if ($this->_update($val) == TRUE)
+					{
+						$save_cart = TRUE;
+					}
+				}
+			}
+		}
+
+		// Save the cart data if the insert was successful
+		if ($save_cart == TRUE)
+		{
+			$this->_save_cart();
+			return TRUE;
+		}
+
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Update the cart
+	 *
+	 * This function permits the quantity of a given item to be changed.
+	 * Typically it is called from the "view cart" page if a user makes
+	 * changes to the quantity before checkout. That array must contain the
+	 * product ID and quantity for each item.
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	bool
+	 */
+	function _update($items = array())
+	{
+		// Without these array indexes there is nothing we can do
+		if ( ! isset($items['qty']) OR ! isset($items['rowid']) OR ! isset($this->_cart_contents[$items['rowid']]))
+		{
+			return FALSE;
+		}
+
+		// Prep the quantity
+		$items['qty'] = preg_replace('/([^0-9])/i', '', $items['qty']);
+
+		// Is the quantity a number?
+		if ( ! is_numeric($items['qty']))
+		{
+			return FALSE;
+		}
+
+		// Is the new quantity different than what is already saved in the cart?
+		// If it's the same there's nothing to do
+		if ($this->_cart_contents[$items['rowid']]['qty'] == $items['qty'])
+		{
+			return FALSE;
+		}
+
+		// Is the quantity zero?  If so we will remove the item from the cart.
+		// If the quantity is greater than zero we are updating
+		if ($items['qty'] == 0)
+		{
+			unset($this->_cart_contents[$items['rowid']]);
+		}
+		else
+		{
+			$this->_cart_contents[$items['rowid']]['qty'] = $items['qty'];
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Save the cart array to the session DB
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	function _save_cart()
+	{
+		// Unset these so our total can be calculated correctly below
+		unset($this->_cart_contents['total_items']);
+		unset($this->_cart_contents['cart_total']);
+
+		// Lets add up the individual prices and set the cart sub-total
+		$total = 0;
+		$items = 0;
+		foreach ($this->_cart_contents as $key => $val)
+		{
+			// We make sure the array contains the proper indexes
+			if ( ! is_array($val) OR ! isset($val['price']) OR ! isset($val['qty']))
+			{
+				continue;
+			}
+
+			$total += ($val['price'] * $val['qty']);
+			$items += $val['qty'];
+
+			// Set the subtotal
+			$this->_cart_contents[$key]['subtotal'] = ($this->_cart_contents[$key]['price'] * $this->_cart_contents[$key]['qty']);
+		}
+
+		// Set the cart total and total items.
+		$this->_cart_contents['total_items'] = $items;
+		$this->_cart_contents['cart_total'] = $total;
+
+		// Is our cart empty?  If so we delete it from the session
+		if (count($this->_cart_contents) <= 2)
+		{
+			$this->CI->session->unset_userdata('cart_contents');
+
+			// Nothing more to do... coffee time!
+			return FALSE;
+		}
+
+		// If we made it this far it means that our cart has data.
+		// Let's pass it to the Session class so it can be stored
+		$this->CI->session->set_userdata(array('cart_contents' => $this->_cart_contents));
+
+		// Woot!
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Cart Total
+	 *
+	 * @access	public
+	 * @return	integer
+	 */
+	function total()
+	{
+		return $this->_cart_contents['cart_total'];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Total Items
+	 *
+	 * Returns the total item count
+	 *
+	 * @access	public
+	 * @return	integer
+	 */
+	function total_items()
+	{
+		return $this->_cart_contents['total_items'];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Cart Contents
+	 *
+	 * Returns the entire cart array
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function contents()
+	{
+		$cart = $this->_cart_contents;
+
+		// Remove these so they don't create a problem when showing the cart table
+		unset($cart['total_items']);
+		unset($cart['cart_total']);
+
+		return $cart;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Has options
+	 *
+	 * Returns TRUE if the rowid passed to this function correlates to an item
+	 * that has options associated with it.
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function has_options($rowid = '')
+	{
+		if ( ! isset($this->_cart_contents[$rowid]['options']) OR count($this->_cart_contents[$rowid]['options']) === 0)
+		{
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Product options
+	 *
+	 * Returns the an array of options, for a particular product row ID
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function product_options($rowid = '')
+	{
+		if ( ! isset($this->_cart_contents[$rowid]['options']))
+		{
+			return array();
+		}
+
+		return $this->_cart_contents[$rowid]['options'];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Format Number
+	 *
+	 * Returns the supplied number with commas and a decimal point.
+	 *
+	 * @access	public
+	 * @return	integer
+	 */
+	function format_number($n = '')
+	{
+		if ($n == '')
+		{
+			return '';
+		}
+
+		// Remove anything that isn't a number or decimal point.
+		$n = trim(preg_replace('/([^0-9\.])/i', '', $n));
+
+		return number_format($n, 2, '.', ',');
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Destroy the cart
+	 *
+	 * Empties the cart and kills the session
+	 *
+	 * @access	public
+	 * @return	null
+	 */
+	function destroy()
+	{
+		unset($this->_cart_contents);
+
+		$this->_cart_contents['cart_total'] = 0;
+		$this->_cart_contents['total_items'] = 0;
+
+		$this->CI->session->unset_userdata('cart_contents');
+	}
+
+
+}
+// END Cart Class
+
+/* End of file Cart.php */
+/* Location: ./system/libraries/Cart.php */

system/libraries/Driver.php

@@ -0,0 +1,229 @@
+<?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		EllisLab Dev Team
+ * @copyright	Copyright (c) 2006 - 2012, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Driver Library Class
+ *
+ * This class enables you to create "Driver" libraries that add runtime ability
+ * to extend the capabilities of a class via additional driver objects
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		EllisLab Dev Team
+ * @link
+ */
+class CI_Driver_Library {
+
+	protected $valid_drivers	= array();
+	protected $lib_name;
+
+	// The first time a child is used it won't exist, so we instantiate it
+	// subsequents calls will go straight to the proper child.
+	function __get($child)
+	{
+		if ( ! isset($this->lib_name))
+		{
+			$this->lib_name = get_class($this);
+		}
+
+		// The class will be prefixed with the parent lib
+		$child_class = $this->lib_name.'_'.$child;
+	
+		// Remove the CI_ prefix and lowercase
+		$lib_name = ucfirst(strtolower(str_replace('CI_', '', $this->lib_name)));
+		$driver_name = strtolower(str_replace('CI_', '', $child_class));
+		
+		if (in_array($driver_name, array_map('strtolower', $this->valid_drivers)))
+		{
+			// check and see if the driver is in a separate file
+			if ( ! class_exists($child_class))
+			{
+				// check application path first
+				foreach (get_instance()->load->get_package_paths(TRUE) as $path)
+				{
+					// loves me some nesting!
+					foreach (array(ucfirst($driver_name), $driver_name) as $class)
+					{
+						$filepath = $path.'libraries/'.$lib_name.'/drivers/'.$class.'.php';
+
+						if (file_exists($filepath))
+						{
+							include_once $filepath;
+							break;
+						}
+					}
+				}
+
+				// it's a valid driver, but the file simply can't be found
+				if ( ! class_exists($child_class))
+				{
+					log_message('error', "Unable to load the requested driver: ".$child_class);
+					show_error("Unable to load the requested driver: ".$child_class);
+				}
+			}
+
+			$obj = new $child_class;
+			$obj->decorate($this);
+			$this->$child = $obj;
+			return $this->$child;
+		}
+
+		// The requested driver isn't valid!
+		log_message('error', "Invalid driver requested: ".$child_class);
+		show_error("Invalid driver requested: ".$child_class);
+	}
+
+	// --------------------------------------------------------------------
+
+}
+// END CI_Driver_Library CLASS
+
+
+/**
+ * CodeIgniter Driver Class
+ *
+ * This class enables you to create drivers for a Library based on the Driver Library.
+ * It handles the drivers' access to the parent library
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		EllisLab Dev Team
+ * @link
+ */
+class CI_Driver {
+	protected $parent;
+
+	private $methods = array();
+	private $properties = array();
+
+	private static $reflections = array();
+
+	/**
+	 * Decorate
+	 *
+	 * Decorates the child with the parent driver lib's methods and properties
+	 *
+	 * @param	object
+	 * @return	void
+	 */
+	public function decorate($parent)
+	{
+		$this->parent = $parent;
+
+		// Lock down attributes to what is defined in the class
+		// and speed up references in magic methods
+
+		$class_name = get_class($parent);
+
+		if ( ! isset(self::$reflections[$class_name]))
+		{
+			$r = new ReflectionObject($parent);
+
+			foreach ($r->getMethods() as $method)
+			{
+				if ($method->isPublic())
+				{
+					$this->methods[] = $method->getName();
+				}
+			}
+
+			foreach ($r->getProperties() as $prop)
+			{
+				if ($prop->isPublic())
+				{
+					$this->properties[] = $prop->getName();
+				}
+			}
+
+			self::$reflections[$class_name] = array($this->methods, $this->properties);
+		}
+		else
+		{
+			list($this->methods, $this->properties) = self::$reflections[$class_name];
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * __call magic method
+	 *
+	 * Handles access to the parent driver library's methods
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @return	mixed
+	 */
+	public function __call($method, $args = array())
+	{
+		if (in_array($method, $this->methods))
+		{
+			return call_user_func_array(array($this->parent, $method), $args);
+		}
+
+		$trace = debug_backtrace();
+		_exception_handler(E_ERROR, "No such method '{$method}'", $trace[1]['file'], $trace[1]['line']);
+		exit;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * __get magic method
+	 *
+	 * Handles reading of the parent driver library's properties
+	 *
+	 * @param	string
+	 * @return	mixed
+	 */
+	public function __get($var)
+	{
+		if (in_array($var, $this->properties))
+		{
+			return $this->parent->$var;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * __set magic method
+	 *
+	 * Handles writing to the parent driver library's properties
+	 *
+	 * @param	string
+	 * @param	array
+	 * @return	mixed
+	 */
+	public function __set($var, $val)
+	{
+		if (in_array($var, $this->properties))
+		{
+			$this->parent->$var = $val;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+}
+// END CI_Driver CLASS
+
+/* End of file Driver.php */
+/* Location: ./system/libraries/Driver.php */

system/libraries/Encrypt.php

@@ -0,0 +1,547 @@
+<?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 Encryption Class
+ *
+ * Provides two-way keyed encoding using XOR Hashing and Mcrypt
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/encryption.html
+ */
+class CI_Encrypt {
+
+	var $CI;
+	var $encryption_key	= '';
+	var $_hash_type	= 'sha1';
+	var $_mcrypt_exists = FALSE;
+	var $_mcrypt_cipher;
+	var $_mcrypt_mode;
+
+	/**
+	 * Constructor
+	 *
+	 * Simply determines whether the mcrypt library exists.
+	 *
+	 */
+	public function __construct()
+	{
+		$this->CI =& get_instance();
+		$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
+		log_message('debug', "Encrypt Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch the encryption key
+	 *
+	 * Returns it as MD5 in order to have an exact-length 128 bit key.
+	 * Mcrypt is sensitive to keys that are not the correct length
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function get_key($key = '')
+	{
+		if ($key == '')
+		{
+			if ($this->encryption_key != '')
+			{
+				return $this->encryption_key;
+			}
+
+			$CI =& get_instance();
+			$key = $CI->config->item('encryption_key');
+
+			if ($key == FALSE)
+			{
+				show_error('In order to use the encryption class requires that you set an encryption key in your config file.');
+			}
+		}
+
+		return md5($key);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the encryption key
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_key($key = '')
+	{
+		$this->encryption_key = $key;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Encode
+	 *
+	 * Encodes the message string using bitwise XOR encoding.
+	 * The key is combined with a random hash, and then it
+	 * too gets converted using XOR. The whole thing is then run
+	 * through mcrypt (if supported) using the randomized key.
+	 * The end result is a double-encrypted message string
+	 * that is randomized with each call to this function,
+	 * even if the supplied message and key are the same.
+	 *
+	 * @access	public
+	 * @param	string	the string to encode
+	 * @param	string	the key
+	 * @return	string
+	 */
+	function encode($string, $key = '')
+	{
+		$key = $this->get_key($key);
+
+		if ($this->_mcrypt_exists === TRUE)
+		{
+			$enc = $this->mcrypt_encode($string, $key);
+		}
+		else
+		{
+			$enc = $this->_xor_encode($string, $key);
+		}
+
+		return base64_encode($enc);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Decode
+	 *
+	 * Reverses the above process
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function decode($string, $key = '')
+	{
+		$key = $this->get_key($key);
+
+		if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
+		{
+			return FALSE;
+		}
+
+		$dec = base64_decode($string);
+
+		if ($this->_mcrypt_exists === TRUE)
+		{
+			if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE)
+			{
+				return FALSE;
+			}
+		}
+		else
+		{
+			$dec = $this->_xor_decode($dec, $key);
+		}
+
+		return $dec;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Encode from Legacy
+	 *
+	 * Takes an encoded string from the original Encryption class algorithms and
+	 * returns a newly encoded string using the improved method added in 2.0.0
+	 * This allows for backwards compatibility and a method to transition to the
+	 * new encryption algorithms.
+	 *
+	 * For more details, see http://codeigniter.com/user_guide/installation/upgrade_200.html#encryption
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	int		(mcrypt mode constant)
+	 * @param	string
+	 * @return	string
+	 */
+	function encode_from_legacy($string, $legacy_mode = MCRYPT_MODE_ECB, $key = '')
+	{
+		if ($this->_mcrypt_exists === FALSE)
+		{
+			log_message('error', 'Encoding from legacy is available only when Mcrypt is in use.');
+			return FALSE;
+		}
+
+		// decode it first
+		// set mode temporarily to what it was when string was encoded with the legacy
+		// algorithm - typically MCRYPT_MODE_ECB
+		$current_mode = $this->_get_mode();
+		$this->set_mode($legacy_mode);
+
+		$key = $this->get_key($key);
+
+		if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
+		{
+			return FALSE;
+		}
+
+		$dec = base64_decode($string);
+
+		if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE)
+		{
+			return FALSE;
+		}
+
+		$dec = $this->_xor_decode($dec, $key);
+
+		// set the mcrypt mode back to what it should be, typically MCRYPT_MODE_CBC
+		$this->set_mode($current_mode);
+
+		// and re-encode
+		return base64_encode($this->mcrypt_encode($dec, $key));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * XOR Encode
+	 *
+	 * Takes a plain-text string and key as input and generates an
+	 * encoded bit-string using XOR
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _xor_encode($string, $key)
+	{
+		$rand = '';
+		while (strlen($rand) < 32)
+		{
+			$rand .= mt_rand(0, mt_getrandmax());
+		}
+
+		$rand = $this->hash($rand);
+
+		$enc = '';
+		for ($i = 0; $i < strlen($string); $i++)
+		{
+			$enc .= substr($rand, ($i % strlen($rand)), 1).(substr($rand, ($i % strlen($rand)), 1) ^ substr($string, $i, 1));
+		}
+
+		return $this->_xor_merge($enc, $key);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * XOR Decode
+	 *
+	 * Takes an encoded string and key as input and generates the
+	 * plain-text original message
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _xor_decode($string, $key)
+	{
+		$string = $this->_xor_merge($string, $key);
+
+		$dec = '';
+		for ($i = 0; $i < strlen($string); $i++)
+		{
+			$dec .= (substr($string, $i++, 1) ^ substr($string, $i, 1));
+		}
+
+		return $dec;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * XOR key + string Combiner
+	 *
+	 * Takes a string and key as input and computes the difference using XOR
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _xor_merge($string, $key)
+	{
+		$hash = $this->hash($key);
+		$str = '';
+		for ($i = 0; $i < strlen($string); $i++)
+		{
+			$str .= substr($string, $i, 1) ^ substr($hash, ($i % strlen($hash)), 1);
+		}
+
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Encrypt using Mcrypt
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function mcrypt_encode($data, $key)
+	{
+		$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
+		$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
+		return $this->_add_cipher_noise($init_vect.mcrypt_encrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect), $key);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Decrypt using Mcrypt
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function mcrypt_decode($data, $key)
+	{
+		$data = $this->_remove_cipher_noise($data, $key);
+		$init_size = mcrypt_get_iv_size($this->_get_cipher(), $this->_get_mode());
+
+		if ($init_size > strlen($data))
+		{
+			return FALSE;
+		}
+
+		$init_vect = substr($data, 0, $init_size);
+		$data = substr($data, $init_size);
+		return rtrim(mcrypt_decrypt($this->_get_cipher(), $key, $data, $this->_get_mode(), $init_vect), "\0");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Adds permuted noise to the IV + encrypted data to protect
+	 * against Man-in-the-middle attacks on CBC mode ciphers
+	 * http://www.ciphersbyritter.com/GLOSSARY.HTM#IV
+	 *
+	 * Function description
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _add_cipher_noise($data, $key)
+	{
+		$keyhash = $this->hash($key);
+		$keylen = strlen($keyhash);
+		$str = '';
+
+		for ($i = 0, $j = 0, $len = strlen($data); $i < $len; ++$i, ++$j)
+		{
+			if ($j >= $keylen)
+			{
+				$j = 0;
+			}
+
+			$str .= chr((ord($data[$i]) + ord($keyhash[$j])) % 256);
+		}
+
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Removes permuted noise from the IV + encrypted data, reversing
+	 * _add_cipher_noise()
+	 *
+	 * Function description
+	 *
+	 * @access	public
+	 * @param	type
+	 * @return	type
+	 */
+	function _remove_cipher_noise($data, $key)
+	{
+		$keyhash = $this->hash($key);
+		$keylen = strlen($keyhash);
+		$str = '';
+
+		for ($i = 0, $j = 0, $len = strlen($data); $i < $len; ++$i, ++$j)
+		{
+			if ($j >= $keylen)
+			{
+				$j = 0;
+			}
+
+			$temp = ord($data[$i]) - ord($keyhash[$j]);
+
+			if ($temp < 0)
+			{
+				$temp = $temp + 256;
+			}
+
+			$str .= chr($temp);
+		}
+
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Mcrypt Cipher
+	 *
+	 * @access	public
+	 * @param	constant
+	 * @return	string
+	 */
+	function set_cipher($cipher)
+	{
+		$this->_mcrypt_cipher = $cipher;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Mcrypt Mode
+	 *
+	 * @access	public
+	 * @param	constant
+	 * @return	string
+	 */
+	function set_mode($mode)
+	{
+		$this->_mcrypt_mode = $mode;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Mcrypt cipher Value
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _get_cipher()
+	{
+		if ($this->_mcrypt_cipher == '')
+		{
+			$this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256;
+		}
+
+		return $this->_mcrypt_cipher;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Mcrypt Mode Value
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _get_mode()
+	{
+		if ($this->_mcrypt_mode == '')
+		{
+			$this->_mcrypt_mode = MCRYPT_MODE_CBC;
+		}
+
+		return $this->_mcrypt_mode;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Hash type
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function set_hash($type = 'sha1')
+	{
+		$this->_hash_type = ($type != 'sha1' AND $type != 'md5') ? 'sha1' : $type;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Hash encode a string
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function hash($str)
+	{
+		return ($this->_hash_type == 'sha1') ? $this->sha1($str) : md5($str);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate an SHA1 Hash
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function sha1($str)
+	{
+		if ( ! function_exists('sha1'))
+		{
+			if ( ! function_exists('mhash'))
+			{
+				require_once(BASEPATH.'libraries/Sha1.php');
+				$SH = new CI_SHA;
+				return $SH->generate($str);
+			}
+			else
+			{
+				return bin2hex(mhash(MHASH_SHA1, $str));
+			}
+		}
+		else
+		{
+			return sha1($str);
+		}
+	}
+
+}
+
+// END CI_Encrypt class
+
+/* End of file Encrypt.php */
+/* Location: ./system/libraries/Encrypt.php */

system/libraries/Ftp.php

@@ -0,0 +1,660 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * FTP Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/ftp.html
+ */
+class CI_FTP {
+
+	var $hostname	= '';
+	var $username	= '';
+	var $password	= '';
+	var $port		= 21;
+	var $passive	= TRUE;
+	var $debug		= FALSE;
+	var $conn_id	= FALSE;
+
+
+	/**
+	 * Constructor - Sets Preferences
+	 *
+	 * The constructor can be passed an array of config values
+	 */
+	public function __construct($config = array())
+	{
+		if (count($config) > 0)
+		{
+			$this->initialize($config);
+		}
+
+		log_message('debug', "FTP Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize preferences
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function initialize($config = array())
+	{
+		foreach ($config as $key => $val)
+		{
+			if (isset($this->$key))
+			{
+				$this->$key = $val;
+			}
+		}
+
+		// Prep the hostname
+		$this->hostname = preg_replace('|.+?://|', '', $this->hostname);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * FTP Connect
+	 *
+	 * @access	public
+	 * @param	array	 the connection values
+	 * @return	bool
+	 */
+	function connect($config = array())
+	{
+		if (count($config) > 0)
+		{
+			$this->initialize($config);
+		}
+
+		if (FALSE === ($this->conn_id = @ftp_connect($this->hostname, $this->port)))
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_connect');
+			}
+			return FALSE;
+		}
+
+		if ( ! $this->_login())
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_login');
+			}
+			return FALSE;
+		}
+
+		// Set passive mode if needed
+		if ($this->passive == TRUE)
+		{
+			ftp_pasv($this->conn_id, TRUE);
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * FTP Login
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	function _login()
+	{
+		return @ftp_login($this->conn_id, $this->username, $this->password);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Validates the connection ID
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	function _is_conn()
+	{
+		if ( ! is_resource($this->conn_id))
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_no_connection');
+			}
+			return FALSE;
+		}
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+
+	/**
+	 * Change directory
+	 *
+	 * The second parameter lets us momentarily turn off debugging so that
+	 * this function can be used to test for the existence of a folder
+	 * without throwing an error.  There's no FTP equivalent to is_dir()
+	 * so we do it by trying to change to a particular directory.
+	 * Internally, this parameter is only used by the "mirror" function below.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	bool
+	 * @return	bool
+	 */
+	function changedir($path = '', $supress_debug = FALSE)
+	{
+		if ($path == '' OR ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		$result = @ftp_chdir($this->conn_id, $path);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE AND $supress_debug == FALSE)
+			{
+				$this->_error('ftp_unable_to_changedir');
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Create a directory
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	bool
+	 */
+	function mkdir($path = '', $permissions = NULL)
+	{
+		if ($path == '' OR ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		$result = @ftp_mkdir($this->conn_id, $path);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_makdir');
+			}
+			return FALSE;
+		}
+
+		// Set file permissions if needed
+		if ( ! is_null($permissions))
+		{
+			$this->chmod($path, (int)$permissions);
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Upload a file to the server
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @param	string
+	 * @return	bool
+	 */
+	function upload($locpath, $rempath, $mode = 'auto', $permissions = NULL)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		if ( ! file_exists($locpath))
+		{
+			$this->_error('ftp_no_source_file');
+			return FALSE;
+		}
+
+		// Set the mode if not specified
+		if ($mode == 'auto')
+		{
+			// Get the file extension so we can set the upload type
+			$ext = $this->_getext($locpath);
+			$mode = $this->_settype($ext);
+		}
+
+		$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
+
+		$result = @ftp_put($this->conn_id, $rempath, $locpath, $mode);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_upload');
+			}
+			return FALSE;
+		}
+
+		// Set file permissions if needed
+		if ( ! is_null($permissions))
+		{
+			$this->chmod($rempath, (int)$permissions);
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Download a file from a remote server to the local server
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @param	string
+	 * @return	bool
+	 */
+	function download($rempath, $locpath, $mode = 'auto')
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		// Set the mode if not specified
+		if ($mode == 'auto')
+		{
+			// Get the file extension so we can set the upload type
+			$ext = $this->_getext($rempath);
+			$mode = $this->_settype($ext);
+		}
+
+		$mode = ($mode == 'ascii') ? FTP_ASCII : FTP_BINARY;
+
+		$result = @ftp_get($this->conn_id, $locpath, $rempath, $mode);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_download');
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Rename (or move) a file
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @param	bool
+	 * @return	bool
+	 */
+	function rename($old_file, $new_file, $move = FALSE)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		$result = @ftp_rename($this->conn_id, $old_file, $new_file);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$msg = ($move == FALSE) ? 'ftp_unable_to_rename' : 'ftp_unable_to_move';
+
+				$this->_error($msg);
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Move a file
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	bool
+	 */
+	function move($old_file, $new_file)
+	{
+		return $this->rename($old_file, $new_file, TRUE);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Rename (or move) a file
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	bool
+	 */
+	function delete_file($filepath)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		$result = @ftp_delete($this->conn_id, $filepath);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_delete');
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Delete a folder and recursively delete everything (including sub-folders)
+	 * containted within it.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	bool
+	 */
+	function delete_dir($filepath)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		// Add a trailing slash to the file path if needed
+		$filepath = preg_replace("/(.+?)\/*$/", "\\1/",  $filepath);
+
+		$list = $this->list_files($filepath);
+
+		if ($list !== FALSE AND count($list) > 0)
+		{
+			foreach ($list as $item)
+			{
+				// If we can't delete the item it's probaly a folder so
+				// we'll recursively call delete_dir()
+				if ( ! @ftp_delete($this->conn_id, $item))
+				{
+					$this->delete_dir($item);
+				}
+			}
+		}
+
+		$result = @ftp_rmdir($this->conn_id, $filepath);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_delete');
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set file permissions
+	 *
+	 * @access	public
+	 * @param	string	the file path
+	 * @param	string	the permissions
+	 * @return	bool
+	 */
+	function chmod($path, $perm)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		// Permissions can only be set when running PHP 5
+		if ( ! function_exists('ftp_chmod'))
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_chmod');
+			}
+			return FALSE;
+		}
+
+		$result = @ftp_chmod($this->conn_id, $perm, $path);
+
+		if ($result === FALSE)
+		{
+			if ($this->debug == TRUE)
+			{
+				$this->_error('ftp_unable_to_chmod');
+			}
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * FTP List files in the specified directory
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function list_files($path = '.')
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		return ftp_nlist($this->conn_id, $path);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Read a directory and recreate it remotely
+	 *
+	 * This function recursively reads a folder and everything it contains (including
+	 * sub-folders) and creates a mirror via FTP based on it.  Whatever the directory structure
+	 * of the original file path will be recreated on the server.
+	 *
+	 * @access	public
+	 * @param	string	path to source with trailing slash
+	 * @param	string	path to destination - include the base folder with trailing slash
+	 * @return	bool
+	 */
+	function mirror($locpath, $rempath)
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		// Open the local file path
+		if ($fp = @opendir($locpath))
+		{
+			// Attempt to open the remote file path.
+			if ( ! $this->changedir($rempath, TRUE))
+			{
+				// If it doesn't exist we'll attempt to create the direcotory
+				if ( ! $this->mkdir($rempath) OR ! $this->changedir($rempath))
+				{
+					return FALSE;
+				}
+			}
+
+			// Recursively read the local directory
+			while (FALSE !== ($file = readdir($fp)))
+			{
+				if (@is_dir($locpath.$file) && substr($file, 0, 1) != '.')
+				{
+					$this->mirror($locpath.$file."/", $rempath.$file."/");
+				}
+				elseif (substr($file, 0, 1) != ".")
+				{
+					// Get the file extension so we can se the upload type
+					$ext = $this->_getext($file);
+					$mode = $this->_settype($ext);
+
+					$this->upload($locpath.$file, $rempath.$file, $mode);
+				}
+			}
+			return TRUE;
+		}
+
+		return FALSE;
+	}
+
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Extract the file extension
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	string
+	 */
+	function _getext($filename)
+	{
+		if (FALSE === strpos($filename, '.'))
+		{
+			return 'txt';
+		}
+
+		$x = explode('.', $filename);
+		return end($x);
+	}
+
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the upload type
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	string
+	 */
+	function _settype($ext)
+	{
+		$text_types = array(
+							'txt',
+							'text',
+							'php',
+							'phps',
+							'php4',
+							'js',
+							'css',
+							'htm',
+							'html',
+							'phtml',
+							'shtml',
+							'log',
+							'xml'
+							);
+
+
+		return (in_array($ext, $text_types)) ? 'ascii' : 'binary';
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Close the connection
+	 *
+	 * @access	public
+	 * @param	string	path to source
+	 * @param	string	path to destination
+	 * @return	bool
+	 */
+	function close()
+	{
+		if ( ! $this->_is_conn())
+		{
+			return FALSE;
+		}
+
+		@ftp_close($this->conn_id);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Display error message
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	bool
+	 */
+	function _error($line)
+	{
+		$CI =& get_instance();
+		$CI->lang->load('ftp');
+		show_error($CI->lang->line($line));
+	}
+
+
+}
+// END FTP Class
+
+/* End of file Ftp.php */
+/* Location: ./system/libraries/Ftp.php */

system/libraries/Javascript.php

@@ -0,0 +1,871 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Javascript Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Javascript
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/javascript.html
+ */
+class CI_Javascript {
+
+	var $_javascript_location = 'js';
+
+	public function __construct($params = array())
+	{
+		$defaults = array('js_library_driver' => 'jquery', 'autoload' => TRUE);
+
+		foreach ($defaults as $key => $val)
+		{
+			if (isset($params[$key]) && $params[$key] !== "")
+			{
+				$defaults[$key] = $params[$key];
+			}
+		}
+
+		extract($defaults);
+
+		$this->CI =& get_instance();
+
+		// load the requested js library
+		$this->CI->load->library('javascript/'.$js_library_driver, array('autoload' => $autoload));
+		// make js to refer to current library
+		$this->js =& $this->CI->$js_library_driver;
+
+		log_message('debug', "Javascript Class Initialized and loaded.  Driver used: $js_library_driver");
+	}
+
+	// --------------------------------------------------------------------	
+	// Event Code
+	// --------------------------------------------------------------------
+
+	/**
+	 * Blur
+	 *
+	 * Outputs a javascript library blur event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function blur($element = 'this', $js = '')
+	{
+		return $this->js->_blur($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Change
+	 *
+	 * Outputs a javascript library change event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function change($element = 'this', $js = '')
+	{
+		return $this->js->_change($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Click
+	 *
+	 * Outputs a javascript library click event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @param	boolean	whether or not to return false
+	 * @return	string
+	 */
+	function click($element = 'this', $js = '', $ret_false = TRUE)
+	{
+		return $this->js->_click($element, $js, $ret_false);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Double Click
+	 *
+	 * Outputs a javascript library dblclick event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function dblclick($element = 'this', $js = '')
+	{
+		return $this->js->_dblclick($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Error
+	 *
+	 * Outputs a javascript library error event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function error($element = 'this', $js = '')
+	{
+		return $this->js->_error($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Focus
+	 *
+	 * Outputs a javascript library focus event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function focus($element = 'this', $js = '')
+	{
+		return $this->js->__add_event($focus, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Hover
+	 *
+	 * Outputs a javascript library hover event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- Javascript code for mouse over
+	 * @param	string	- Javascript code for mouse out
+	 * @return	string
+	 */
+	function hover($element = 'this', $over, $out)
+	{
+		return $this->js->__hover($element, $over, $out);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Keydown
+	 *
+	 * Outputs a javascript library keydown event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function keydown($element = 'this', $js = '')
+	{
+		return $this->js->_keydown($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Keyup
+	 *
+	 * Outputs a javascript library keydown event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function keyup($element = 'this', $js = '')
+	{
+		return $this->js->_keyup($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Load
+	 *
+	 * Outputs a javascript library load event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function load($element = 'this', $js = '')
+	{
+		return $this->js->_load($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Mousedown
+	 *
+	 * Outputs a javascript library mousedown event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function mousedown($element = 'this', $js = '')
+	{
+		return $this->js->_mousedown($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Mouse Out
+	 *
+	 * Outputs a javascript library mouseout event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function mouseout($element = 'this', $js = '')
+	{
+		return $this->js->_mouseout($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Mouse Over
+	 *
+	 * Outputs a javascript library mouseover event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function mouseover($element = 'this', $js = '')
+	{
+		return $this->js->_mouseover($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Mouseup
+	 *
+	 * Outputs a javascript library mouseup event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function mouseup($element = 'this', $js = '')
+	{
+		return $this->js->_mouseup($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Output
+	 *
+	 * Outputs the called javascript to the screen
+	 *
+	 * @access	public
+	 * @param	string	The code to output
+	 * @return	string
+	 */
+	function output($js)
+	{
+		return $this->js->_output($js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Ready
+	 *
+	 * Outputs a javascript library mouseup event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function ready($js)
+	{
+		return $this->js->_document_ready($js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Resize
+	 *
+	 * Outputs a javascript library resize event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function resize($element = 'this', $js = '')
+	{
+		return $this->js->_resize($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Scroll
+	 *
+	 * Outputs a javascript library scroll event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function scroll($element = 'this', $js = '')
+	{
+		return $this->js->_scroll($element, $js);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Unload
+	 *
+	 * Outputs a javascript library unload event
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	string	The code to execute
+	 * @return	string
+	 */
+	function unload($element = 'this', $js = '')
+	{
+		return $this->js->_unload($element, $js);
+	}
+
+	// --------------------------------------------------------------------	
+	// Effects
+	// --------------------------------------------------------------------
+
+
+	/**
+	 * Add Class
+	 *
+	 * Outputs a javascript library addClass event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- Class to add
+	 * @return	string
+	 */
+	function addClass($element = 'this', $class = '')
+	{
+		return $this->js->_addClass($element, $class);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Animate
+	 *
+	 * Outputs a javascript library animate event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function animate($element = 'this', $params = array(), $speed = '', $extra = '')
+	{
+		return $this->js->_animate($element, $params, $speed, $extra);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fade In
+	 *
+	 * Outputs a javascript library hide event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function fadeIn($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_fadeIn($element, $speed, $callback);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fade Out
+	 *
+	 * Outputs a javascript library hide event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function fadeOut($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_fadeOut($element, $speed, $callback);
+	}
+	// --------------------------------------------------------------------
+
+	/**
+	 * Slide Up
+	 *
+	 * Outputs a javascript library slideUp event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function slideUp($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_slideUp($element, $speed, $callback);
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Remove Class
+	 *
+	 * Outputs a javascript library removeClass event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- Class to add
+	 * @return	string
+	 */
+	function removeClass($element = 'this', $class = '')
+	{
+		return $this->js->_removeClass($element, $class);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Slide Down
+	 *
+	 * Outputs a javascript library slideDown event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function slideDown($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_slideDown($element, $speed, $callback);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Slide Toggle
+	 *
+	 * Outputs a javascript library slideToggle event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function slideToggle($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_slideToggle($element, $speed, $callback);
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Hide
+	 *
+	 * Outputs a javascript library hide action
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function hide($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_hide($element, $speed, $callback);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Toggle
+	 *
+	 * Outputs a javascript library toggle event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @return	string
+	 */
+	function toggle($element = 'this')
+	{
+		return $this->js->_toggle($element);
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Toggle Class
+	 *
+	 * Outputs a javascript library toggle class event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @return	string
+	 */
+	function toggleClass($element = 'this', $class='')
+	{
+		return $this->js->_toggleClass($element, $class);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Show
+	 *
+	 * Outputs a javascript library show event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function show($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_show($element, $speed, $callback);
+	}
+
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile
+	 *
+	 * gather together all script needing to be output
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @return	string
+	 */
+	function compile($view_var = 'script_foot', $script_tags = TRUE)
+	{
+		$this->js->_compile($view_var, $script_tags);
+	}
+
+	/**
+	 * Clear Compile
+	 *
+	 * Clears any previous javascript collected for output
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function clear_compile()
+	{
+		$this->js->_clear_compile();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * External
+	 *
+	 * Outputs a <script> tag with the source as an external js file
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @return	string
+	 */
+	function external($external_file = '', $relative = FALSE)
+	{
+		if ($external_file !== '')
+		{
+			$this->_javascript_location = $external_file;
+		}
+		else
+		{
+			if ($this->CI->config->item('javascript_location') != '')
+			{
+				$this->_javascript_location = $this->CI->config->item('javascript_location');
+			}
+		}
+
+		if ($relative === TRUE OR strncmp($external_file, 'http://', 7) == 0 OR strncmp($external_file, 'https://', 8) == 0)
+		{
+			$str = $this->_open_script($external_file);
+		}
+		elseif (strpos($this->_javascript_location, 'http://') !== FALSE)
+		{
+			$str = $this->_open_script($this->_javascript_location.$external_file);
+		}
+		else
+		{
+			$str = $this->_open_script($this->CI->config->slash_item('base_url').$this->_javascript_location.$external_file);
+		}
+
+		$str .= $this->_close_script();
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Inline
+	 *
+	 * Outputs a <script> tag
+	 *
+	 * @access	public
+	 * @param	string	The element to attach the event to
+	 * @param	boolean	If a CDATA section should be added
+	 * @return	string
+	 */
+	function inline($script, $cdata = TRUE)
+	{
+		$str = $this->_open_script();
+		$str .= ($cdata) ? "\n// <![CDATA[\n{$script}\n// ]]>\n" : "\n{$script}\n";
+		$str .= $this->_close_script();
+
+		return $str;
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Open Script
+	 *
+	 * Outputs an opening <script>
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	string
+	 */
+	function _open_script($src = '')
+	{
+		$str = '<script type="text/javascript" charset="'.strtolower($this->CI->config->item('charset')).'"';
+		$str .= ($src == '') ? '>' : ' src="'.$src.'">';
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Close Script
+	 *
+	 * Outputs an closing </script>
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	string
+	 */
+	function _close_script($extra = "\n")
+	{
+		return "</script>$extra";
+	}
+
+
+	// --------------------------------------------------------------------
+	// --------------------------------------------------------------------
+	// AJAX-Y STUFF - still a testbed
+	// --------------------------------------------------------------------
+	// --------------------------------------------------------------------
+
+	/**
+	 * Update
+	 *
+	 * Outputs a javascript library slideDown event
+	 *
+	 * @access	public
+	 * @param	string	- element
+	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds
+	 * @param	string	- Javascript callback function
+	 * @return	string
+	 */
+	function update($element = 'this', $speed = '', $callback = '')
+	{
+		return $this->js->_updater($element, $speed, $callback);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate JSON
+	 *
+	 * Can be passed a database result or associative array and returns a JSON formatted string
+	 *
+	 * @param	mixed	result set or array
+	 * @param	bool	match array types (defaults to objects)
+	 * @return	string	a json formatted string
+	 */
+	function generate_json($result = NULL, $match_array_type = FALSE)
+	{
+		// JSON data can optionally be passed to this function
+		// either as a database result object or an array, or a user supplied array
+		if ( ! is_null($result))
+		{
+			if (is_object($result))
+			{
+				$json_result = $result->result_array();
+			}
+			elseif (is_array($result))
+			{
+				$json_result = $result;
+			}
+			else
+			{
+				return $this->_prep_args($result);
+			}
+		}
+		else
+		{
+			return 'null';
+		}
+
+		$json = array();
+		$_is_assoc = TRUE;
+
+		if ( ! is_array($json_result) AND empty($json_result))
+		{
+			show_error("Generate JSON Failed - Illegal key, value pair.");
+		}
+		elseif ($match_array_type)
+		{
+			$_is_assoc = $this->_is_associative_array($json_result);
+		}
+
+		foreach ($json_result as $k => $v)
+		{
+			if ($_is_assoc)
+			{
+				$json[] = $this->_prep_args($k, TRUE).':'.$this->generate_json($v, $match_array_type);
+			}
+			else
+			{
+				$json[] = $this->generate_json($v, $match_array_type);
+			}
+		}
+
+		$json = implode(',', $json);
+
+		return $_is_assoc ? "{".$json."}" : "[".$json."]";
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is associative array
+	 *
+	 * Checks for an associative array
+	 *
+	 * @access	public
+	 * @param	type
+	 * @return	type
+	 */
+	function _is_associative_array($arr)
+	{
+		foreach (array_keys($arr) as $key => $val)
+		{
+			if ($key !== $val)
+			{
+				return TRUE;
+			}
+		}
+
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Prep Args
+	 *
+	 * Ensures a standard json value and escapes values
+	 *
+	 * @access	public
+	 * @param	type
+	 * @return	type
+	 */
+	function _prep_args($result, $is_key = FALSE)
+	{
+		if (is_null($result))
+		{
+			return 'null';
+		}
+		elseif (is_bool($result))
+		{
+			return ($result === TRUE) ? 'true' : 'false';
+		}
+		elseif (is_string($result) OR $is_key)
+		{
+			return '"'.str_replace(array('\\', "\t", "\n", "\r", '"', '/'), array('\\\\', '\\t', '\\n', "\\r", '\"', '\/'), $result).'"';			
+		}
+		elseif (is_scalar($result))
+		{
+			return $result;
+		}
+	}
+
+	// --------------------------------------------------------------------
+}
+// END Javascript Class
+
+/* End of file Javascript.php */
+/* Location: ./system/libraries/Javascript.php */

system/libraries/Log.php

@@ -0,0 +1,114 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Logging Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Logging
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/general/errors.html
+ */
+class CI_Log {
+
+	protected $_log_path;
+	protected $_threshold	= 1;
+	protected $_date_fmt	= 'Y-m-d H:i:s';
+	protected $_enabled	= TRUE;
+	protected $_levels	= array('ERROR' => '1', 'DEBUG' => '2',  'INFO' => '3', 'ALL' => '4');
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		$config =& get_config();
+
+		$this->_log_path = ($config['log_path'] != '') ? $config['log_path'] : APPPATH.'logs/';
+
+		if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path))
+		{
+			$this->_enabled = FALSE;
+		}
+
+		if (is_numeric($config['log_threshold']))
+		{
+			$this->_threshold = $config['log_threshold'];
+		}
+
+		if ($config['log_date_format'] != '')
+		{
+			$this->_date_fmt = $config['log_date_format'];
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Write Log File
+	 *
+	 * Generally this function will be called using the global log_message() function
+	 *
+	 * @param	string	the error level
+	 * @param	string	the error message
+	 * @param	bool	whether the error is a native PHP error
+	 * @return	bool
+	 */
+	public function write_log($level = 'error', $msg, $php_error = FALSE)
+	{
+		if ($this->_enabled === FALSE)
+		{
+			return FALSE;
+		}
+
+		$level = strtoupper($level);
+
+		if ( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
+		{
+			return FALSE;
+		}
+
+		$filepath = $this->_log_path.'log-'.date('Y-m-d').'.php';
+		$message  = '';
+
+		if ( ! file_exists($filepath))
+		{
+			$message .= "<"."?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?".">\n\n";
+		}
+
+		if ( ! $fp = @fopen($filepath, FOPEN_WRITE_CREATE))
+		{
+			return FALSE;
+		}
+
+		$message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt). ' --> '.$msg."\n";
+
+		flock($fp, LOCK_EX);
+		fwrite($fp, $message);
+		flock($fp, LOCK_UN);
+		fclose($fp);
+
+		@chmod($filepath, FILE_WRITE_MODE);
+		return TRUE;
+	}
+
+}
+// END Log Class
+
+/* End of file Log.php */
+/* Location: ./system/libraries/Log.php */

system/libraries/Migration.php

@@ -0,0 +1,328 @@
+<?php defined('BASEPATH') OR exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package		CodeIgniter
+ * @author		EllisLab Dev Team
+ * @copyright	Copyright (c) 2006 - 2012, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Migration Class
+ *
+ * All migrations should implement this, forces up() and down() and gives
+ * access to the CI super-global.
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		Reactor Engineers
+ * @link
+ */
+class CI_Migration {
+
+	protected $_migration_enabled = FALSE;
+	protected $_migration_path = NULL;
+	protected $_migration_version = 0;
+
+	protected $_error_string = '';
+
+	public function __construct($config = array())
+	{
+		# Only run this constructor on main library load
+		if (get_parent_class($this) !== FALSE)
+		{
+			return;
+		}
+
+		foreach ($config as $key => $val)
+		{
+			$this->{'_' . $key} = $val;
+		}
+
+		log_message('debug', 'Migrations class initialized');
+
+		// Are they trying to use migrations while it is disabled?
+		if ($this->_migration_enabled !== TRUE)
+		{
+			show_error('Migrations has been loaded but is disabled or set up incorrectly.');
+		}
+
+		// If not set, set it
+		$this->_migration_path == '' AND $this->_migration_path = APPPATH . 'migrations/';
+
+		// Add trailing slash if not set
+		$this->_migration_path = rtrim($this->_migration_path, '/').'/';
+
+		// Load migration language
+		$this->lang->load('migration');
+
+		// They'll probably be using dbforge
+		$this->load->dbforge();
+
+		// If the migrations table is missing, make it
+		if ( ! $this->db->table_exists('migrations'))
+		{
+			$this->dbforge->add_field(array(
+				'version' => array('type' => 'INT', 'constraint' => 3),
+			));
+
+			$this->dbforge->create_table('migrations', TRUE);
+
+			$this->db->insert('migrations', array('version' => 0));
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Migrate to a schema version
+	 *
+	 * Calls each migration step required to get to the schema version of
+	 * choice
+	 *
+	 * @param	int	Target schema version
+	 * @return	mixed	TRUE if already latest, FALSE if failed, int if upgraded
+	 */
+	public function version($target_version)
+	{
+		$start = $current_version = $this->_get_version();
+		$stop = $target_version;
+
+		if ($target_version > $current_version)
+		{
+			// Moving Up
+			++$start;
+			++$stop;
+			$step = 1;
+		}
+		else
+		{
+			// Moving Down
+			$step = -1;
+		}
+
+		$method = ($step === 1) ? 'up' : 'down';
+		$migrations = array();
+
+		// We now prepare to actually DO the migrations
+		// But first let's make sure that everything is the way it should be
+		for ($i = $start; $i != $stop; $i += $step)
+		{
+			$f = glob(sprintf($this->_migration_path . '%03d_*.php', $i));
+
+			// Only one migration per step is permitted
+			if (count($f) > 1)
+			{
+				$this->_error_string = sprintf($this->lang->line('migration_multiple_version'), $i);
+				return FALSE;
+			}
+
+			// Migration step not found
+			if (count($f) == 0)
+			{
+				// If trying to migrate up to a version greater than the last
+				// existing one, migrate to the last one.
+				if ($step == 1)
+				{
+					break;
+				}
+
+				// If trying to migrate down but we're missing a step,
+				// something must definitely be wrong.
+				$this->_error_string = sprintf($this->lang->line('migration_not_found'), $i);
+				return FALSE;
+			}
+
+			$file = basename($f[0]);
+			$name = basename($f[0], '.php');
+
+			// Filename validations
+			if (preg_match('/^\d{3}_(\w+)$/', $name, $match))
+			{
+				$match[1] = strtolower($match[1]);
+
+				// Cannot repeat a migration at different steps
+				if (in_array($match[1], $migrations))
+				{
+					$this->_error_string = sprintf($this->lang->line('migration_multiple_version'), $match[1]);
+					return FALSE;
+				}
+
+				include $f[0];
+				$class = 'Migration_' . ucfirst($match[1]);
+
+				if ( ! class_exists($class))
+				{
+					$this->_error_string = sprintf($this->lang->line('migration_class_doesnt_exist'), $class);
+					return FALSE;
+				}
+
+				if ( ! is_callable(array($class, $method)))
+				{
+					$this->_error_string = sprintf($this->lang->line('migration_missing_'.$method.'_method'), $class);
+					return FALSE;
+				}
+
+				$migrations[] = $match[1];
+			}
+			else
+			{
+				$this->_error_string = sprintf($this->lang->line('migration_invalid_filename'), $file);
+				return FALSE;
+			}
+		}
+
+		log_message('debug', 'Current migration: ' . $current_version);
+
+		$version = $i + ($step == 1 ? -1 : 0);
+
+		// If there is nothing to do so quit
+		if ($migrations === array())
+		{
+			return TRUE;
+		}
+
+		log_message('debug', 'Migrating from ' . $method . ' to version ' . $version);
+
+		// Loop through the migrations
+		foreach ($migrations AS $migration)
+		{
+			// Run the migration class
+			$class = 'Migration_' . ucfirst(strtolower($migration));
+			call_user_func(array(new $class, $method));
+
+			$current_version += $step;
+			$this->_update_version($current_version);
+		}
+
+		log_message('debug', 'Finished migrating to '.$current_version);
+
+		return $current_version;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set's the schema to the latest migration
+	 *
+	 * @return	mixed	true if already latest, false if failed, int if upgraded
+	 */
+	public function latest()
+	{
+		if ( ! $migrations = $this->find_migrations())
+		{
+			$this->_error_string = $this->line->lang('migration_none_found');
+			return false;
+		}
+
+		$last_migration = basename(end($migrations));
+
+		// Calculate the last migration step from existing migration
+		// filenames and procceed to the standard version migration
+		return $this->version((int) substr($last_migration, 0, 3));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set's the schema to the migration version set in config
+	 *
+	 * @return	mixed	true if already current, false if failed, int if upgraded
+	 */
+	public function current()
+	{
+		return $this->version($this->_migration_version);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Error string
+	 *
+	 * @return	string	Error message returned as a string
+	 */
+	public function error_string()
+	{
+		return $this->_error_string;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set's the schema to the latest migration
+	 *
+	 * @return	mixed	true if already latest, false if failed, int if upgraded
+	 */
+	protected function find_migrations()
+	{
+		// Load all *_*.php files in the migrations path
+		$files = glob($this->_migration_path . '*_*.php');
+		$file_count = count($files);
+
+		for ($i = 0; $i < $file_count; $i++)
+		{
+			// Mark wrongly formatted files as false for later filtering
+			$name = basename($files[$i], '.php');
+			if ( ! preg_match('/^\d{3}_(\w+)$/', $name))
+			{
+				$files[$i] = FALSE;
+			}
+		}
+
+		sort($files);
+		return $files;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Retrieves current schema version
+	 *
+	 * @return	int	Current Migration
+	 */
+	protected function _get_version()
+	{
+		$row = $this->db->get('migrations')->row();
+		return $row ? $row->version : 0;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Stores the current schema version
+	 *
+	 * @param	int	Migration reached
+	 * @return	bool
+	 */
+	protected function _update_version($migrations)
+	{
+		return $this->db->update('migrations', array(
+			'version' => $migrations
+		));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Enable the use of CI super-global
+	 *
+	 * @param	mixed	$var
+	 * @return	mixed
+	 */
+	public function __get($var)
+	{
+		return get_instance()->$var;
+	}
+}
+
+/* End of file Migration.php */
+/* Location: ./system/libraries/Migration.php */

system/libraries/Pagination.php

@@ -0,0 +1,340 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Pagination Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Pagination
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/pagination.html
+ */
+class CI_Pagination {
+
+	var $base_url			= ''; // The page we are linking to
+	var $prefix				= ''; // A custom prefix added to the path.
+	var $suffix				= ''; // A custom suffix added to the path.
+
+	var $total_rows			=  0; // Total number of items (database results)
+	var $per_page			= 10; // Max number of items you want shown per page
+	var $num_links			=  2; // Number of "digit" links to show before/after the currently viewed page
+	var $cur_page			=  0; // The current page being viewed
+	var $use_page_numbers	= FALSE; // Use page number for segment instead of offset
+	var $first_link			= '&lsaquo; First';
+	var $next_link			= '&gt;';
+	var $prev_link			= '&lt;';
+	var $last_link			= 'Last &rsaquo;';
+	var $uri_segment		= 3;
+	var $full_tag_open		= '';
+	var $full_tag_close		= '';
+	var $first_tag_open		= '';
+	var $first_tag_close	= '&nbsp;';
+	var $last_tag_open		= '&nbsp;';
+	var $last_tag_close		= '';
+	var $first_url			= ''; // Alternative URL for the First Page.
+	var $cur_tag_open		= '&nbsp;<strong>';
+	var $cur_tag_close		= '</strong>';
+	var $next_tag_open		= '&nbsp;';
+	var $next_tag_close		= '&nbsp;';
+	var $prev_tag_open		= '&nbsp;';
+	var $prev_tag_close		= '';
+	var $num_tag_open		= '&nbsp;';
+	var $num_tag_close		= '';
+	var $page_query_string	= FALSE;
+	var $query_string_segment = 'per_page';
+	var $display_pages		= TRUE;
+	var $anchor_class		= '';
+
+	/**
+	 * Constructor
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 */
+	public function __construct($params = array())
+	{
+		if (count($params) > 0)
+		{
+			$this->initialize($params);
+		}
+
+		if ($this->anchor_class != '')
+		{
+			$this->anchor_class = 'class="'.$this->anchor_class.'" ';
+		}
+
+		log_message('debug', "Pagination Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize Preferences
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 * @return	void
+	 */
+	function initialize($params = array())
+	{
+		if (count($params) > 0)
+		{
+			foreach ($params as $key => $val)
+			{
+				if (isset($this->$key))
+				{
+					$this->$key = $val;
+				}
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate the pagination links
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	function create_links()
+	{
+		// If our item count or per-page total is zero there is no need to continue.
+		if ($this->total_rows == 0 OR $this->per_page == 0)
+		{
+			return '';
+		}
+
+		// Calculate the total number of pages
+		$num_pages = ceil($this->total_rows / $this->per_page);
+
+		// Is there only one page? Hm... nothing more to do here then.
+		if ($num_pages == 1)
+		{
+			return '';
+		}
+
+		// Set the base page index for starting page number
+		if ($this->use_page_numbers)
+		{
+			$base_page = 1;
+		}
+		else
+		{
+			$base_page = 0;
+		}
+
+		// Determine the current page number.
+		$CI =& get_instance();
+
+		if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)
+		{
+			if ($CI->input->get($this->query_string_segment) != $base_page)
+			{
+				$this->cur_page = $CI->input->get($this->query_string_segment);
+
+				// Prep the current page - no funny business!
+				$this->cur_page = (int) $this->cur_page;
+			}
+		}
+		else
+		{
+			if ($CI->uri->segment($this->uri_segment) != $base_page)
+			{
+				$this->cur_page = $CI->uri->segment($this->uri_segment);
+
+				// Prep the current page - no funny business!
+				$this->cur_page = (int) $this->cur_page;
+			}
+		}
+		
+		// Set current page to 1 if using page numbers instead of offset
+		if ($this->use_page_numbers AND $this->cur_page == 0)
+		{
+			$this->cur_page = $base_page;
+		}
+
+		$this->num_links = (int)$this->num_links;
+
+		if ($this->num_links < 1)
+		{
+			show_error('Your number of links must be a positive number.');
+		}
+
+		if ( ! is_numeric($this->cur_page))
+		{
+			$this->cur_page = $base_page;
+		}
+
+		// Is the page number beyond the result range?
+		// If so we show the last page
+		if ($this->use_page_numbers)
+		{
+			if ($this->cur_page > $num_pages)
+			{
+				$this->cur_page = $num_pages;
+			}
+		}
+		else
+		{
+			if ($this->cur_page > $this->total_rows)
+			{
+				$this->cur_page = ($num_pages - 1) * $this->per_page;
+			}
+		}
+
+		$uri_page_number = $this->cur_page;
+		
+		if ( ! $this->use_page_numbers)
+		{
+			$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);
+		}
+
+		// Calculate the start and end numbers. These determine
+		// which number to start and end the digit links with
+		$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
+		$end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
+
+		// Is pagination being used over GET or POST?  If get, add a per_page query
+		// string. If post, add a trailing slash to the base URL if needed
+		if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)
+		{
+			$this->base_url = rtrim($this->base_url).'&amp;'.$this->query_string_segment.'=';
+		}
+		else
+		{
+			$this->base_url = rtrim($this->base_url, '/') .'/';
+		}
+
+		// And here we go...
+		$output = '';
+
+		// Render the "First" link
+		if  ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1))
+		{
+			$first_url = ($this->first_url == '') ? $this->base_url : $this->first_url;
+			$output .= $this->first_tag_open.'<a '.$this->anchor_class.'href="'.$first_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;
+		}
+
+		// Render the "previous" link
+		if  ($this->prev_link !== FALSE AND $this->cur_page != 1)
+		{
+			if ($this->use_page_numbers)
+			{
+				$i = $uri_page_number - 1;
+			}
+			else
+			{
+				$i = $uri_page_number - $this->per_page;
+			}
+
+			if ($i == 0 && $this->first_url != '')
+			{
+				$output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->first_url.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
+			}
+			else
+			{
+				$i = ($i == 0) ? '' : $this->prefix.$i.$this->suffix;
+				$output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
+			}
+
+		}
+
+		// Render the pages
+		if ($this->display_pages !== FALSE)
+		{
+			// Write the digit links
+			for ($loop = $start -1; $loop <= $end; $loop++)
+			{
+				if ($this->use_page_numbers)
+				{
+					$i = $loop;
+				}
+				else
+				{
+					$i = ($loop * $this->per_page) - $this->per_page;
+				}
+
+				if ($i >= $base_page)
+				{
+					if ($this->cur_page == $loop)
+					{
+						$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
+					}
+					else
+					{
+						$n = ($i == $base_page) ? '' : $i;
+
+						if ($n == '' && $this->first_url != '')
+						{
+							$output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.$this->first_url.'">'.$loop.'</a>'.$this->num_tag_close;
+						}
+						else
+						{
+							$n = ($n == '') ? '' : $this->prefix.$n.$this->suffix;
+
+							$output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;
+						}
+					}
+				}
+			}
+		}
+
+		// Render the "next" link
+		if ($this->next_link !== FALSE AND $this->cur_page < $num_pages)
+		{
+			if ($this->use_page_numbers)
+			{
+				$i = $this->cur_page + 1;
+			}
+			else
+			{
+				$i = ($this->cur_page * $this->per_page);
+			}
+
+			$output .= $this->next_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close;
+		}
+
+		// Render the "Last" link
+		if ($this->last_link !== FALSE AND ($this->cur_page + $this->num_links) < $num_pages)
+		{
+			if ($this->use_page_numbers)
+			{
+				$i = $num_pages;
+			}
+			else
+			{
+				$i = (($num_pages * $this->per_page) - $this->per_page);
+			}
+			$output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close;
+		}
+
+		// Kill double slashes.  Note: Sometimes we can end up with a double slash
+		// in the penultimate link so we'll kill all double slashes.
+		$output = preg_replace("#([^:])//+#", "\\1/", $output);
+
+		// Add the wrapper HTML if exists
+		$output = $this->full_tag_open.$output.$this->full_tag_close;
+
+		return $output;
+	}
+}
+// END Pagination Class
+
+/* End of file Pagination.php */
+/* Location: ./system/libraries/Pagination.php */

system/libraries/Parser.php

@@ -0,0 +1,212 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parser Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Parser
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/parser.html
+ */
+class CI_Parser {
+
+	var $l_delim = '{';
+	var $r_delim = '}';
+	var $object;
+
+	/**
+	 *  Parse a template
+	 *
+	 * Parses pseudo-variables contained in the specified template view,
+	 * replacing them with the data in the second param
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @param	bool
+	 * @return	string
+	 */
+	public function parse($template, $data, $return = FALSE)
+	{
+		$CI =& get_instance();
+		$template = $CI->load->view($template, $data, TRUE);
+
+		return $this->_parse($template, $data, $return);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Parse a String
+	 *
+	 * Parses pseudo-variables contained in the specified string,
+	 * replacing them with the data in the second param
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @param	bool
+	 * @return	string
+	 */
+	function parse_string($template, $data, $return = FALSE)
+	{
+		return $this->_parse($template, $data, $return);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Parse a template
+	 *
+	 * Parses pseudo-variables contained in the specified template,
+	 * replacing them with the data in the second param
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @param	bool
+	 * @return	string
+	 */
+	function _parse($template, $data, $return = FALSE)
+	{
+		if ($template == '')
+		{
+			return FALSE;
+		}
+
+		foreach ($data as $key => $val)
+		{
+			if (is_array($val))
+			{
+				$template = $this->_parse_pair($key, $val, $template);
+			}
+			else
+			{
+				$template = $this->_parse_single($key, (string)$val, $template);
+			}
+		}
+
+		if ($return == FALSE)
+		{
+			$CI =& get_instance();
+			$CI->output->append_output($template);
+		}
+
+		return $template;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Set the left/right variable delimiters
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	void
+	 */
+	function set_delimiters($l = '{', $r = '}')
+	{
+		$this->l_delim = $l;
+		$this->r_delim = $r;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Parse a single key/value
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _parse_single($key, $val, $string)
+	{
+		return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Parse a tag pair
+	 *
+	 * Parses tag pairs:  {some_tag} string... {/some_tag}
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	array
+	 * @param	string
+	 * @return	string
+	 */
+	function _parse_pair($variable, $data, $string)
+	{
+		if (FALSE === ($match = $this->_match_pair($string, $variable)))
+		{
+			return $string;
+		}
+
+		$str = '';
+		foreach ($data as $row)
+		{
+			$temp = $match['1'];
+			foreach ($row as $key => $val)
+			{
+				if ( ! is_array($val))
+				{
+					$temp = $this->_parse_single($key, $val, $temp);
+				}
+				else
+				{
+					$temp = $this->_parse_pair($key, $val, $temp);
+				}
+			}
+
+			$str .= $temp;
+		}
+
+		return str_replace($match['0'], $str, $string);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Matches a variable pair
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	mixed
+	 */
+	function _match_pair($string, $variable)
+	{
+		if ( ! preg_match("|" . preg_quote($this->l_delim) . $variable . preg_quote($this->r_delim) . "(.+?)". preg_quote($this->l_delim) . '/' . $variable . preg_quote($this->r_delim) . "|s", $string, $match))
+		{
+			return FALSE;
+		}
+
+		return $match;
+	}
+
+}
+// END Parser Class
+
+/* End of file Parser.php */
+/* Location: ./system/libraries/Parser.php */

system/libraries/Profiler.php

@@ -0,0 +1,558 @@
+<?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 Profiler Class
+ *
+ * This class enables you to display benchmark, query, and other data
+ * in order to help with debugging and optimization.
+ *
+ * Note: At some point it would be good to move all the HTML in this class
+ * into a set of template files in order to allow customization.
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Libraries
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/general/profiling.html
+ */
+class CI_Profiler {
+
+	protected $_available_sections = array(
+										'benchmarks',
+										'get',
+										'memory_usage',
+										'post',
+										'uri_string',
+										'controller_info',
+										'queries',
+										'http_headers',
+										'session_data',
+										'config'
+										);
+
+	protected $_query_toggle_count = 25;
+
+	protected $CI;
+
+	// --------------------------------------------------------------------
+
+	public function __construct($config = array())
+	{
+		$this->CI =& get_instance();
+		$this->CI->load->language('profiler');
+
+		if (isset($config['query_toggle_count']))
+		{
+			$this->_query_toggle_count = (int) $config['query_toggle_count'];
+			unset($config['query_toggle_count']);
+		}
+
+		// default all sections to display
+		foreach ($this->_available_sections as $section)
+		{
+			if ( ! isset($config[$section]))
+			{
+				$this->_compile_{$section} = TRUE;
+			}
+		}
+
+		$this->set_sections($config);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Sections
+	 *
+	 * Sets the private _compile_* properties to enable/disable Profiler sections
+	 *
+	 * @param	mixed
+	 * @return	void
+	 */
+	public function set_sections($config)
+	{
+		foreach ($config as $method => $enable)
+		{
+			if (in_array($method, $this->_available_sections))
+			{
+				$this->_compile_{$method} = ($enable !== FALSE) ? TRUE : FALSE;
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Auto Profiler
+	 *
+	 * This function cycles through the entire array of mark points and
+	 * matches any two points that are named identically (ending in "_start"
+	 * and "_end" respectively).  It then compiles the execution times for
+	 * all points and returns it as an array
+	 *
+	 * @return	array
+	 */
+	protected function _compile_benchmarks()
+	{
+		$profile = array();
+		foreach ($this->CI->benchmark->marker as $key => $val)
+		{
+			// We match the "end" marker so that the list ends
+			// up in the order that it was defined
+			if (preg_match("/(.+?)_end/i", $key, $match))
+			{
+				if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
+				{
+					$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
+				}
+			}
+		}
+
+		// Build a table containing the profile data.
+		// Note: At some point we should turn this into a template that can
+		// be modified.  We also might want to make this data available to be logged
+
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+		$output .= "\n\n<table style='width:100%'>\n";
+
+		foreach ($profile as $key => $val)
+		{
+			$key = ucwords(str_replace(array('_', '-'), ' ', $key));
+			$output .= "<tr><td style='padding:5px;width:50%;color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td style='padding:5px;width:50%;color:#900;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
+		}
+
+		$output .= "</table>\n";
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile Queries
+	 *
+	 * @return	string
+	 */
+	protected function _compile_queries()
+	{
+		$dbs = array();
+
+		// Let's determine which databases are currently connected to
+		foreach (get_object_vars($this->CI) as $CI_object)
+		{
+			if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
+			{
+				$dbs[] = $CI_object;
+			}
+		}
+
+		if (count($dbs) == 0)
+		{
+			$output  = "\n\n";
+			$output .= '<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+			$output .= "\n";
+			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
+			$output .= "\n";
+			$output .= "\n\n<table style='border:none; width:100%;'>\n";
+			$output .="<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
+			$output .= "</table>\n";
+			$output .= "</fieldset>";
+
+			return $output;
+		}
+
+		// Load the text helper so we can highlight the SQL
+		$this->CI->load->helper('text');
+
+		// Key words we want bolded
+		$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR&nbsp;', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
+
+		$output  = "\n\n";
+
+		$count = 0;
+
+		foreach ($dbs as $db)
+		{
+			$count++;
+
+			$hide_queries = (count($db->queries) > $this->_query_toggle_count) ? ' display:none' : '';
+
+			$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_hide').'\'?\''.$this->CI->lang->line('profiler_section_show').'\':\''.$this->CI->lang->line('profiler_section_hide').'\';">'.$this->CI->lang->line('profiler_section_hide').'</span>)';
+
+			if ($hide_queries != '')
+			{
+				$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)';
+			}
+
+			$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+			$output .= "\n";
+			$output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database').':&nbsp; '.$db->database.'&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').': '.count($db->queries).'&nbsp;&nbsp;'.$show_hide_js.'</legend>';
+			$output .= "\n";
+			$output .= "\n\n<table style='width:100%;{$hide_queries}' id='ci_profiler_queries_db_{$count}'>\n";
+
+			if (count($db->queries) == 0)
+			{
+				$output .= "<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
+			}
+			else
+			{
+				foreach ($db->queries as $key => $val)
+				{
+					$time = number_format($db->query_times[$key], 4);
+
+					$val = highlight_code($val, ENT_QUOTES);
+
+					foreach ($highlight as $bold)
+					{
+						$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
+					}
+
+					$output .= "<tr><td style='padding:5px; vertical-align: top;width:1%;color:#900;font-weight:normal;background-color:#ddd;'>".$time."&nbsp;&nbsp;</td><td style='padding:5px; color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
+				}
+			}
+
+			$output .= "</table>\n";
+			$output .= "</fieldset>";
+
+		}
+
+		return $output;
+	}
+
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile $_GET Data
+	 *
+	 * @return	string
+	 */
+	protected function _compile_get()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+
+		if (count($_GET) == 0)
+		{
+			$output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
+		}
+		else
+		{
+			$output .= "\n\n<table style='width:100%; border:none'>\n";
+
+			foreach ($_GET as $key => $val)
+			{
+				if ( ! is_numeric($key))
+				{
+					$key = "'".$key."'";
+				}
+
+				$output .= "<tr><td style='width:50%;color:#000;background-color:#ddd;padding:5px'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td style='width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
+				if (is_array($val))
+				{
+					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
+				}
+				else
+				{
+					$output .= htmlspecialchars(stripslashes($val));
+				}
+				$output .= "</td></tr>\n";
+			}
+
+			$output .= "</table>\n";
+		}
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile $_POST Data
+	 *
+	 * @return	string
+	 */
+	protected function _compile_post()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+
+		if (count($_POST) == 0)
+		{
+			$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
+		}
+		else
+		{
+			$output .= "\n\n<table style='width:100%'>\n";
+
+			foreach ($_POST as $key => $val)
+			{
+				if ( ! is_numeric($key))
+				{
+					$key = "'".$key."'";
+				}
+
+				$output .= "<tr><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td style='width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;'>";
+				if (is_array($val))
+				{
+					$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, TRUE))) . "</pre>";
+				}
+				else
+				{
+					$output .= htmlspecialchars(stripslashes($val));
+				}
+				$output .= "</td></tr>\n";
+			}
+
+			$output .= "</table>\n";
+		}
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Show query string
+	 *
+	 * @return	string
+	 */
+	protected function _compile_uri_string()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+
+		if ($this->CI->uri->uri_string == '')
+		{
+			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
+		}
+		else
+		{
+			$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";
+		}
+
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Show the controller and function that were called
+	 *
+	 * @return	string
+	 */
+	protected function _compile_controller_info()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+
+		$output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
+
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile memory usage
+	 *
+	 * Display total used memory
+	 *
+	 * @return	string
+	 */
+	protected function _compile_memory_usage()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
+		$output .= "\n";
+
+		if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
+		{
+			$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
+		}
+		else
+		{
+			$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory')."</div>";
+		}
+
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile header information
+	 *
+	 * Lists HTTP headers
+	 *
+	 * @return	string
+	 */
+	protected function _compile_http_headers()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_headers').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_httpheaders_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
+		$output .= "\n";
+
+		$output .= "\n\n<table style='width:100%;display:none' id='ci_profiler_httpheaders_table'>\n";
+
+		foreach (array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR') as $header)
+		{
+			$val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
+			$output .= "<tr><td style='vertical-align: top;width:50%;padding:5px;color:#900;background-color:#ddd;'>".$header."&nbsp;&nbsp;</td><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>".$val."</td></tr>\n";
+		}
+
+		$output .= "</table>\n";
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile config information
+	 *
+	 * Lists developer config variables
+	 *
+	 * @return	string
+	 */
+	protected function _compile_config()
+	{
+		$output  = "\n\n";
+		$output .= '<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= "\n";
+		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_config').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
+		$output .= "\n";
+
+		$output .= "\n\n<table style='width:100%; display:none' id='ci_profiler_config_table'>\n";
+
+		foreach ($this->CI->config->config as $config=>$val)
+		{
+			if (is_array($val))
+			{
+				$val = print_r($val, TRUE);
+			}
+
+			$output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$config."&nbsp;&nbsp;</td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
+		}
+
+		$output .= "</table>\n";
+		$output .= "</fieldset>";
+
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile session userdata
+	 *
+	 * @return 	string
+	 */
+	private function _compile_session_data()
+	{
+		if ( ! isset($this->CI->session))
+		{
+			return;
+		}
+
+		$output = '<fieldset id="ci_profiler_csession" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+		$output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_session_data').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_session_data\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>';
+		$output .= "<table style='width:100%;display:none' id='ci_profiler_session_data'>";
+
+		foreach ($this->CI->session->all_userdata() as $key => $val)
+		{
+			if (is_array($val) OR is_object($val))
+			{
+				$val = print_r($val, TRUE);
+			}
+
+			$output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
+		}
+
+		$output .= '</table>';
+		$output .= "</fieldset>";
+		return $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Run the Profiler
+	 *
+	 * @return	string
+	 */
+	public function run()
+	{
+		$output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
+		$fields_displayed = 0;
+
+		foreach ($this->_available_sections as $section)
+		{
+			if ($this->_compile_{$section} !== FALSE)
+			{
+				$func = "_compile_{$section}";
+				$output .= $this->{$func}();
+				$fields_displayed++;
+			}
+		}
+
+		if ($fields_displayed == 0)
+		{
+			$output .= '<p style="border:1px solid #5a0099;padding:10px;margin:20px 0;background-color:#eee">'.$this->CI->lang->line('profiler_no_profiles').'</p>';
+		}
+
+		$output .= '</div>';
+
+		return $output;
+	}
+}
+
+// END CI_Profiler class
+
+/* End of file Profiler.php */
+/* Location: ./system/libraries/Profiler.php */

system/libraries/Session.php

@@ -0,0 +1,780 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Session Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Sessions
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/sessions.html
+ */
+class CI_Session {
+
+	var $sess_encrypt_cookie		= FALSE;
+	var $sess_use_database			= FALSE;
+	var $sess_table_name			= '';
+	var $sess_expiration			= 7200;
+	var $sess_expire_on_close		= FALSE;
+	var $sess_match_ip				= FALSE;
+	var $sess_match_useragent		= TRUE;
+	var $sess_cookie_name			= 'ci_session';
+	var $cookie_prefix				= '';
+	var $cookie_path				= '';
+	var $cookie_domain				= '';
+	var $cookie_secure				= FALSE;
+	var $sess_time_to_update		= 300;
+	var $encryption_key				= '';
+	var $flashdata_key				= 'flash';
+	var $time_reference				= 'time';
+	var $gc_probability				= 5;
+	var $userdata					= array();
+	var $CI;
+	var $now;
+
+	/**
+	 * Session Constructor
+	 *
+	 * The constructor runs the session routines automatically
+	 * whenever the class is instantiated.
+	 */
+	public function __construct($params = array())
+	{
+		log_message('debug', "Session Class Initialized");
+
+		// Set the super object to a local variable for use throughout the class
+		$this->CI =& get_instance();
+
+		// Set all the session preferences, which can either be set
+		// manually via the $params array above or via the config file
+		foreach (array('sess_encrypt_cookie', 'sess_use_database', 'sess_table_name', 'sess_expiration', 'sess_expire_on_close', 'sess_match_ip', 'sess_match_useragent', 'sess_cookie_name', 'cookie_path', 'cookie_domain', 'cookie_secure', 'sess_time_to_update', 'time_reference', 'cookie_prefix', 'encryption_key') as $key)
+		{
+			$this->$key = (isset($params[$key])) ? $params[$key] : $this->CI->config->item($key);
+		}
+
+		if ($this->encryption_key == '')
+		{
+			show_error('In order to use the Session class you are required to set an encryption key in your config file.');
+		}
+
+		// Load the string helper so we can use the strip_slashes() function
+		$this->CI->load->helper('string');
+
+		// Do we need encryption? If so, load the encryption class
+		if ($this->sess_encrypt_cookie == TRUE)
+		{
+			$this->CI->load->library('encrypt');
+		}
+
+		// Are we using a database?  If so, load it
+		if ($this->sess_use_database === TRUE AND $this->sess_table_name != '')
+		{
+			$this->CI->load->database();
+		}
+
+		// Set the "now" time.  Can either be GMT or server time, based on the
+		// config prefs.  We use this to set the "last activity" time
+		$this->now = $this->_get_time();
+
+		// Set the session length. If the session expiration is
+		// set to zero we'll set the expiration two years from now.
+		if ($this->sess_expiration == 0)
+		{
+			$this->sess_expiration = (60*60*24*365*2);
+		}
+
+		// Set the cookie name
+		$this->sess_cookie_name = $this->cookie_prefix.$this->sess_cookie_name;
+
+		// Run the Session routine. If a session doesn't exist we'll
+		// create a new one.  If it does, we'll update it.
+		if ( ! $this->sess_read())
+		{
+			$this->sess_create();
+		}
+		else
+		{
+			$this->sess_update();
+		}
+
+		// Delete 'old' flashdata (from last request)
+		$this->_flashdata_sweep();
+
+		// Mark all new flashdata as old (data will be deleted before next request)
+		$this->_flashdata_mark();
+
+		// Delete expired sessions if necessary
+		$this->_sess_gc();
+
+		log_message('debug', "Session routines successfully run");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch the current session data if it exists
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	function sess_read()
+	{
+		// Fetch the cookie
+		$session = $this->CI->input->cookie($this->sess_cookie_name);
+
+		// No cookie?  Goodbye cruel world!...
+		if ($session === FALSE)
+		{
+			log_message('debug', 'A session cookie was not found.');
+			return FALSE;
+		}
+
+		// Decrypt the cookie data
+		if ($this->sess_encrypt_cookie == TRUE)
+		{
+			$session = $this->CI->encrypt->decode($session);
+		}
+		else
+		{
+			// encryption was not used, so we need to check the md5 hash
+			$hash	 = substr($session, strlen($session)-32); // get last 32 chars
+			$session = substr($session, 0, strlen($session)-32);
+
+			// Does the md5 hash match?  This is to prevent manipulation of session data in userspace
+			if ($hash !==  md5($session.$this->encryption_key))
+			{
+				log_message('error', 'The session cookie data did not match what was expected. This could be a possible hacking attempt.');
+				$this->sess_destroy();
+				return FALSE;
+			}
+		}
+
+		// Unserialize the session array
+		$session = $this->_unserialize($session);
+
+		// Is the session data we unserialized an array with the correct format?
+		if ( ! is_array($session) OR ! isset($session['session_id']) OR ! isset($session['ip_address']) OR ! isset($session['user_agent']) OR ! isset($session['last_activity']))
+		{
+			$this->sess_destroy();
+			return FALSE;
+		}
+
+		// Is the session current?
+		if (($session['last_activity'] + $this->sess_expiration) < $this->now)
+		{
+			$this->sess_destroy();
+			return FALSE;
+		}
+
+		// Does the IP Match?
+		if ($this->sess_match_ip == TRUE AND $session['ip_address'] != $this->CI->input->ip_address())
+		{
+			$this->sess_destroy();
+			return FALSE;
+		}
+
+		// Does the User Agent Match?
+		if ($this->sess_match_useragent == TRUE AND trim($session['user_agent']) != trim(substr($this->CI->input->user_agent(), 0, 120)))
+		{
+			$this->sess_destroy();
+			return FALSE;
+		}
+
+		// Is there a corresponding session in the DB?
+		if ($this->sess_use_database === TRUE)
+		{
+			$this->CI->db->where('session_id', $session['session_id']);
+
+			if ($this->sess_match_ip == TRUE)
+			{
+				$this->CI->db->where('ip_address', $session['ip_address']);
+			}
+
+			if ($this->sess_match_useragent == TRUE)
+			{
+				$this->CI->db->where('user_agent', $session['user_agent']);
+			}
+
+			$query = $this->CI->db->get($this->sess_table_name);
+
+			// No result?  Kill it!
+			if ($query->num_rows() == 0)
+			{
+				$this->sess_destroy();
+				return FALSE;
+			}
+
+			// Is there custom data?  If so, add it to the main session array
+			$row = $query->row();
+			if (isset($row->user_data) AND $row->user_data != '')
+			{
+				$custom_data = $this->_unserialize($row->user_data);
+
+				if (is_array($custom_data))
+				{
+					foreach ($custom_data as $key => $val)
+					{
+						$session[$key] = $val;
+					}
+				}
+			}
+		}
+
+		// Session is valid!
+		$this->userdata = $session;
+		unset($session);
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Write the session data
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function sess_write()
+	{
+		// Are we saving custom data to the DB?  If not, all we do is update the cookie
+		if ($this->sess_use_database === FALSE)
+		{
+			$this->_set_cookie();
+			return;
+		}
+
+		// set the custom userdata, the session data we will set in a second
+		$custom_userdata = $this->userdata;
+		$cookie_userdata = array();
+
+		// Before continuing, we need to determine if there is any custom data to deal with.
+		// Let's determine this by removing the default indexes to see if there's anything left in the array
+		// and set the session data while we're at it
+		foreach (array('session_id','ip_address','user_agent','last_activity') as $val)
+		{
+			unset($custom_userdata[$val]);
+			$cookie_userdata[$val] = $this->userdata[$val];
+		}
+
+		// Did we find any custom data?  If not, we turn the empty array into a string
+		// since there's no reason to serialize and store an empty array in the DB
+		if (count($custom_userdata) === 0)
+		{
+			$custom_userdata = '';
+		}
+		else
+		{
+			// Serialize the custom data array so we can store it
+			$custom_userdata = $this->_serialize($custom_userdata);
+		}
+
+		// Run the update query
+		$this->CI->db->where('session_id', $this->userdata['session_id']);
+		$this->CI->db->update($this->sess_table_name, array('last_activity' => $this->userdata['last_activity'], 'user_data' => $custom_userdata));
+
+		// Write the cookie.  Notice that we manually pass the cookie data array to the
+		// _set_cookie() function. Normally that function will store $this->userdata, but
+		// in this case that array contains custom data, which we do not want in the cookie.
+		$this->_set_cookie($cookie_userdata);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Create a new session
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function sess_create()
+	{
+		$sessid = '';
+		while (strlen($sessid) < 32)
+		{
+			$sessid .= mt_rand(0, mt_getrandmax());
+		}
+
+		// To make the session ID even more secure we'll combine it with the user's IP
+		$sessid .= $this->CI->input->ip_address();
+
+		$this->userdata = array(
+							'session_id'	=> md5(uniqid($sessid, TRUE)),
+							'ip_address'	=> $this->CI->input->ip_address(),
+							'user_agent'	=> substr($this->CI->input->user_agent(), 0, 120),
+							'last_activity'	=> $this->now,
+							'user_data'		=> ''
+							);
+
+
+		// Save the data to the DB if needed
+		if ($this->sess_use_database === TRUE)
+		{
+			$this->CI->db->query($this->CI->db->insert_string($this->sess_table_name, $this->userdata));
+		}
+
+		// Write the cookie
+		$this->_set_cookie();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Update an existing session
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function sess_update()
+	{
+		// We only update the session every five minutes by default
+		if (($this->userdata['last_activity'] + $this->sess_time_to_update) >= $this->now)
+		{
+			return;
+		}
+
+		// Save the old session id so we know which record to
+		// update in the database if we need it
+		$old_sessid = $this->userdata['session_id'];
+		$new_sessid = '';
+		while (strlen($new_sessid) < 32)
+		{
+			$new_sessid .= mt_rand(0, mt_getrandmax());
+		}
+
+		// To make the session ID even more secure we'll combine it with the user's IP
+		$new_sessid .= $this->CI->input->ip_address();
+
+		// Turn it into a hash
+		$new_sessid = md5(uniqid($new_sessid, TRUE));
+
+		// Update the session data in the session data array
+		$this->userdata['session_id'] = $new_sessid;
+		$this->userdata['last_activity'] = $this->now;
+
+		// _set_cookie() will handle this for us if we aren't using database sessions
+		// by pushing all userdata to the cookie.
+		$cookie_data = NULL;
+
+		// Update the session ID and last_activity field in the DB if needed
+		if ($this->sess_use_database === TRUE)
+		{
+			// set cookie explicitly to only have our session data
+			$cookie_data = array();
+			foreach (array('session_id','ip_address','user_agent','last_activity') as $val)
+			{
+				$cookie_data[$val] = $this->userdata[$val];
+			}
+
+			$this->CI->db->query($this->CI->db->update_string($this->sess_table_name, array('last_activity' => $this->now, 'session_id' => $new_sessid), array('session_id' => $old_sessid)));
+		}
+
+		// Write the cookie
+		$this->_set_cookie($cookie_data);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Destroy the current session
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function sess_destroy()
+	{
+		// Kill the session DB row
+		if ($this->sess_use_database === TRUE && isset($this->userdata['session_id']))
+		{
+			$this->CI->db->where('session_id', $this->userdata['session_id']);
+			$this->CI->db->delete($this->sess_table_name);
+		}
+
+		// Kill the cookie
+		setcookie(
+					$this->sess_cookie_name,
+					addslashes(serialize(array())),
+					($this->now - 31500000),
+					$this->cookie_path,
+					$this->cookie_domain,
+					0
+				);
+
+		// Kill session data
+		$this->userdata = array();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch a specific item from the session array
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function userdata($item)
+	{
+		return ( ! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch all session data
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function all_userdata()
+	{
+		return $this->userdata;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add or change data in the "userdata" array
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @param	string
+	 * @return	void
+	 */
+	function set_userdata($newdata = array(), $newval = '')
+	{
+		if (is_string($newdata))
+		{
+			$newdata = array($newdata => $newval);
+		}
+
+		if (count($newdata) > 0)
+		{
+			foreach ($newdata as $key => $val)
+			{
+				$this->userdata[$key] = $val;
+			}
+		}
+
+		$this->sess_write();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Delete a session variable from the "userdata" array
+	 *
+	 * @access	array
+	 * @return	void
+	 */
+	function unset_userdata($newdata = array())
+	{
+		if (is_string($newdata))
+		{
+			$newdata = array($newdata => '');
+		}
+
+		if (count($newdata) > 0)
+		{
+			foreach ($newdata as $key => $val)
+			{
+				unset($this->userdata[$key]);
+			}
+		}
+
+		$this->sess_write();
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Add or change flashdata, only available
+	 * until the next request
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @param	string
+	 * @return	void
+	 */
+	function set_flashdata($newdata = array(), $newval = '')
+	{
+		if (is_string($newdata))
+		{
+			$newdata = array($newdata => $newval);
+		}
+
+		if (count($newdata) > 0)
+		{
+			foreach ($newdata as $key => $val)
+			{
+				$flashdata_key = $this->flashdata_key.':new:'.$key;
+				$this->set_userdata($flashdata_key, $val);
+			}
+		}
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Keeps existing flashdata available to next request.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function keep_flashdata($key)
+	{
+		// 'old' flashdata gets removed.  Here we mark all
+		// flashdata as 'new' to preserve it from _flashdata_sweep()
+		// Note the function will return FALSE if the $key
+		// provided cannot be found
+		$old_flashdata_key = $this->flashdata_key.':old:'.$key;
+		$value = $this->userdata($old_flashdata_key);
+
+		$new_flashdata_key = $this->flashdata_key.':new:'.$key;
+		$this->set_userdata($new_flashdata_key, $value);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Fetch a specific flashdata item from the session array
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function flashdata($key)
+	{
+		$flashdata_key = $this->flashdata_key.':old:'.$key;
+		return $this->userdata($flashdata_key);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Identifies flashdata as 'old' for removal
+	 * when _flashdata_sweep() runs.
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	function _flashdata_mark()
+	{
+		$userdata = $this->all_userdata();
+		foreach ($userdata as $name => $value)
+		{
+			$parts = explode(':new:', $name);
+			if (is_array($parts) && count($parts) === 2)
+			{
+				$new_name = $this->flashdata_key.':old:'.$parts[1];
+				$this->set_userdata($new_name, $value);
+				$this->unset_userdata($name);
+			}
+		}
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Removes all flashdata marked as 'old'
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+
+	function _flashdata_sweep()
+	{
+		$userdata = $this->all_userdata();
+		foreach ($userdata as $key => $value)
+		{
+			if (strpos($key, ':old:'))
+			{
+				$this->unset_userdata($key);
+			}
+		}
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the "now" time
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _get_time()
+	{
+		if (strtolower($this->time_reference) == 'gmt')
+		{
+			$now = time();
+			$time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
+		}
+		else
+		{
+			$time = time();
+		}
+
+		return $time;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Write the session cookie
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function _set_cookie($cookie_data = NULL)
+	{
+		if (is_null($cookie_data))
+		{
+			$cookie_data = $this->userdata;
+		}
+
+		// Serialize the userdata for the cookie
+		$cookie_data = $this->_serialize($cookie_data);
+
+		if ($this->sess_encrypt_cookie == TRUE)
+		{
+			$cookie_data = $this->CI->encrypt->encode($cookie_data);
+		}
+		else
+		{
+			// if encryption is not used, we provide an md5 hash to prevent userside tampering
+			$cookie_data = $cookie_data.md5($cookie_data.$this->encryption_key);
+		}
+
+		$expire = ($this->sess_expire_on_close === TRUE) ? 0 : $this->sess_expiration + time();
+
+		// Set the cookie
+		setcookie(
+					$this->sess_cookie_name,
+					$cookie_data,
+					$expire,
+					$this->cookie_path,
+					$this->cookie_domain,
+					$this->cookie_secure
+				);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Serialize an array
+	 *
+	 * This function first converts any slashes found in the array to a temporary
+	 * marker, so when it gets unserialized the slashes will be preserved
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	string
+	 */
+	function _serialize($data)
+	{
+		if (is_array($data))
+		{
+			foreach ($data as $key => $val)
+			{
+				if (is_string($val))
+				{
+					$data[$key] = str_replace('\\', '{{slash}}', $val);
+				}
+			}
+		}
+		else
+		{
+			if (is_string($data))
+			{
+				$data = str_replace('\\', '{{slash}}', $data);
+			}
+		}
+
+		return serialize($data);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Unserialize
+	 *
+	 * This function unserializes a data string, then converts any
+	 * temporary slash markers back to actual slashes
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	string
+	 */
+	function _unserialize($data)
+	{
+		$data = @unserialize(strip_slashes($data));
+
+		if (is_array($data))
+		{
+			foreach ($data as $key => $val)
+			{
+				if (is_string($val))
+				{
+					$data[$key] = str_replace('{{slash}}', '\\', $val);
+				}
+			}
+
+			return $data;
+		}
+
+		return (is_string($data)) ? str_replace('{{slash}}', '\\', $data) : $data;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Garbage collection
+	 *
+	 * This deletes expired session rows from database
+	 * if the probability percentage is met
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function _sess_gc()
+	{
+		if ($this->sess_use_database != TRUE)
+		{
+			return;
+		}
+
+		srand(time());
+		if ((rand() % 100) < $this->gc_probability)
+		{
+			$expire = $this->now - $this->sess_expiration;
+
+			$this->CI->db->where("last_activity < {$expire}");
+			$this->CI->db->delete($this->sess_table_name);
+
+			log_message('debug', 'Session garbage collection performed.');
+		}
+	}
+
+
+}
+// END Session Class
+
+/* End of file Session.php */
+/* Location: ./system/libraries/Session.php */

system/libraries/Sha1.php

@@ -0,0 +1,251 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * SHA1 Encoding Class
+ *
+ * Purpose: Provides 160 bit hashing using The Secure Hash Algorithm
+ * developed at the National Institute of Standards and Technology. The 40
+ * character SHA1 message hash is computationally infeasible to crack.
+ *
+ * This class is a fallback for servers that are not running PHP greater than
+ * 4.3, or do not have the MHASH library.
+ *
+ * This class is based on two scripts:
+ *
+ * Marcus Campbell's PHP implementation (GNU license)
+ * http://www.tecknik.net/sha-1/
+ *
+ * ...which is based on Paul Johnston's JavaScript version
+ * (BSD license). http://pajhome.org.uk/
+ *
+ * I encapsulated the functions and wrote one additional method to fix
+ * a hex conversion bug. - Rick Ellis
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Encryption
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/general/encryption.html
+ */
+class CI_SHA1 {
+
+	public function __construct()
+	{
+		log_message('debug', "SHA1 Class Initialized");
+	}
+
+	/**
+	 * Generate the Hash
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function generate($str)
+	{
+		$n = ((strlen($str) + 8) >> 6) + 1;
+
+		for ($i = 0; $i < $n * 16; $i++)
+		{
+			$x[$i] = 0;
+		}
+
+		for ($i = 0; $i < strlen($str); $i++)
+		{
+			$x[$i >> 2] |= ord(substr($str, $i, 1)) << (24 - ($i % 4) * 8);
+		}
+
+		$x[$i >> 2] |= 0x80 << (24 - ($i % 4) * 8);
+
+		$x[$n * 16 - 1] = strlen($str) * 8;
+
+		$a =  1732584193;
+		$b = -271733879;
+		$c = -1732584194;
+		$d =  271733878;
+		$e = -1009589776;
+
+		for ($i = 0; $i < count($x); $i += 16)
+		{
+			$olda = $a;
+			$oldb = $b;
+			$oldc = $c;
+			$oldd = $d;
+			$olde = $e;
+
+			for ($j = 0; $j < 80; $j++)
+			{
+				if ($j < 16)
+				{
+					$w[$j] = $x[$i + $j];
+				}
+				else
+				{
+					$w[$j] = $this->_rol($w[$j - 3] ^ $w[$j - 8] ^ $w[$j - 14] ^ $w[$j - 16], 1);
+				}
+
+				$t = $this->_safe_add($this->_safe_add($this->_rol($a, 5), $this->_ft($j, $b, $c, $d)), $this->_safe_add($this->_safe_add($e, $w[$j]), $this->_kt($j)));
+
+				$e = $d;
+				$d = $c;
+				$c = $this->_rol($b, 30);
+				$b = $a;
+				$a = $t;
+			}
+
+			$a = $this->_safe_add($a, $olda);
+			$b = $this->_safe_add($b, $oldb);
+			$c = $this->_safe_add($c, $oldc);
+			$d = $this->_safe_add($d, $oldd);
+			$e = $this->_safe_add($e, $olde);
+		}
+
+		return $this->_hex($a).$this->_hex($b).$this->_hex($c).$this->_hex($d).$this->_hex($e);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Convert a decimal to hex
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	string
+	 */
+	function _hex($str)
+	{
+		$str = dechex($str);
+
+		if (strlen($str) == 7)
+		{
+			$str = '0'.$str;
+		}
+
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Return result based on iteration
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _ft($t, $b, $c, $d)
+	{
+		if ($t < 20)
+			return ($b & $c) | ((~$b) & $d);
+		if ($t < 40)
+			return $b ^ $c ^ $d;
+		if ($t < 60)
+			return ($b & $c) | ($b & $d) | ($c & $d);
+
+		return $b ^ $c ^ $d;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Determine the additive constant
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _kt($t)
+	{
+		if ($t < 20)
+		{
+			return 1518500249;
+		}
+		else if ($t < 40)
+		{
+			return 1859775393;
+		}
+		else if ($t < 60)
+		{
+			return -1894007588;
+		}
+		else
+		{
+			return -899497514;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add integers, wrapping at 2^32
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _safe_add($x, $y)
+	{
+		$lsw = ($x & 0xFFFF) + ($y & 0xFFFF);
+		$msw = ($x >> 16) + ($y >> 16) + ($lsw >> 16);
+
+		return ($msw << 16) | ($lsw & 0xFFFF);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Bitwise rotate a 32-bit number
+	 *
+	 * @access	private
+	 * @return	integer
+	 */
+	function _rol($num, $cnt)
+	{
+		return ($num << $cnt) | $this->_zero_fill($num, 32 - $cnt);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Pad string with zero
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _zero_fill($a, $b)
+	{
+		$bin = decbin($a);
+
+		if (strlen($bin) < $b)
+		{
+			$bin = 0;
+		}
+		else
+		{
+			$bin = substr($bin, 0, strlen($bin) - $b);
+		}
+
+		for ($i=0; $i < $b; $i++)
+		{
+			$bin = "0".$bin;
+		}
+
+		return bindec($bin);
+	}
+}
+// END CI_SHA
+
+/* End of file Sha1.php */
+/* Location: ./system/libraries/Sha1.php */

system/libraries/Table.php

@@ -0,0 +1,531 @@
+<?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 1.3.1
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * HTML Table Generating Class
+ *
+ * Lets you create tables manually or from database result objects, or arrays.
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	HTML Tables
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/uri.html
+ */
+class CI_Table {
+
+	var $rows				= array();
+	var $heading			= array();
+	var $auto_heading		= TRUE;
+	var $caption			= NULL;
+	var $template			= NULL;
+	var $newline			= "\n";
+	var $empty_cells		= "";
+	var	$function			= FALSE;
+
+	public function __construct()
+	{
+		log_message('debug', "Table Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the template
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function set_template($template)
+	{
+		if ( ! is_array($template))
+		{
+			return FALSE;
+		}
+
+		$this->template = $template;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the table heading
+	 *
+	 * Can be passed as an array or discreet params
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	void
+	 */
+	function set_heading()
+	{
+		$args = func_get_args();
+		$this->heading = $this->_prep_args($args);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set columns.  Takes a one-dimensional array as input and creates
+	 * a multi-dimensional array with a depth equal to the number of
+	 * columns.  This allows a single array with many elements to  be
+	 * displayed in a table that has a fixed column count.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @param	int
+	 * @return	void
+	 */
+	function make_columns($array = array(), $col_limit = 0)
+	{
+		if ( ! is_array($array) OR count($array) == 0)
+		{
+			return FALSE;
+		}
+
+		// Turn off the auto-heading feature since it's doubtful we
+		// will want headings from a one-dimensional array
+		$this->auto_heading = FALSE;
+
+		if ($col_limit == 0)
+		{
+			return $array;
+		}
+
+		$new = array();
+		while (count($array) > 0)
+		{
+			$temp = array_splice($array, 0, $col_limit);
+
+			if (count($temp) < $col_limit)
+			{
+				for ($i = count($temp); $i < $col_limit; $i++)
+				{
+					$temp[] = '&nbsp;';
+				}
+			}
+
+			$new[] = $temp;
+		}
+
+		return $new;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set "empty" cells
+	 *
+	 * Can be passed as an array or discreet params
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	void
+	 */
+	function set_empty($value)
+	{
+		$this->empty_cells = $value;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add a table row
+	 *
+	 * Can be passed as an array or discreet params
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	void
+	 */
+	function add_row()
+	{
+		$args = func_get_args();
+		$this->rows[] = $this->_prep_args($args);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Prep Args
+	 *
+	 * Ensures a standard associative array format for all cell data
+	 *
+	 * @access	public
+	 * @param	type
+	 * @return	type
+	 */
+	function _prep_args($args)
+	{
+		// If there is no $args[0], skip this and treat as an associative array
+		// This can happen if there is only a single key, for example this is passed to table->generate
+		// array(array('foo'=>'bar'))
+		if (isset($args[0]) AND (count($args) == 1 && is_array($args[0])))
+		{
+			// args sent as indexed array
+			if ( ! isset($args[0]['data']))
+			{
+				foreach ($args[0] as $key => $val)
+				{
+					if (is_array($val) && isset($val['data']))
+					{
+						$args[$key] = $val;
+					}
+					else
+					{
+						$args[$key] = array('data' => $val);
+					}
+				}
+			}
+		}
+		else
+		{
+			foreach ($args as $key => $val)
+			{
+				if ( ! is_array($val))
+				{
+					$args[$key] = array('data' => $val);
+				}
+			}
+		}
+
+		return $args;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add a table caption
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_caption($caption)
+	{
+		$this->caption = $caption;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate the table
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	string
+	 */
+	function generate($table_data = NULL)
+	{
+		// The table data can optionally be passed to this function
+		// either as a database result object or an array
+		if ( ! is_null($table_data))
+		{
+			if (is_object($table_data))
+			{
+				$this->_set_from_object($table_data);
+			}
+			elseif (is_array($table_data))
+			{
+				$set_heading = (count($this->heading) == 0 AND $this->auto_heading == FALSE) ? FALSE : TRUE;
+				$this->_set_from_array($table_data, $set_heading);
+			}
+		}
+
+		// Is there anything to display?  No?  Smite them!
+		if (count($this->heading) == 0 AND count($this->rows) == 0)
+		{
+			return 'Undefined table data';
+		}
+
+		// Compile and validate the template date
+		$this->_compile_template();
+
+		// set a custom cell manipulation function to a locally scoped variable so its callable
+		$function = $this->function;
+
+		// Build the table!
+
+		$out = $this->template['table_open'];
+		$out .= $this->newline;
+
+		// Add any caption here
+		if ($this->caption)
+		{
+			$out .= $this->newline;
+			$out .= '<caption>' . $this->caption . '</caption>';
+			$out .= $this->newline;
+		}
+
+		// Is there a table heading to display?
+		if (count($this->heading) > 0)
+		{
+			$out .= $this->template['thead_open'];
+			$out .= $this->newline;
+			$out .= $this->template['heading_row_start'];
+			$out .= $this->newline;
+
+			foreach ($this->heading as $heading)
+			{
+				$temp = $this->template['heading_cell_start'];
+
+				foreach ($heading as $key => $val)
+				{
+					if ($key != 'data')
+					{
+						$temp = str_replace('<th', "<th $key='$val'", $temp);
+					}
+				}
+
+				$out .= $temp;
+				$out .= isset($heading['data']) ? $heading['data'] : '';
+				$out .= $this->template['heading_cell_end'];
+			}
+
+			$out .= $this->template['heading_row_end'];
+			$out .= $this->newline;
+			$out .= $this->template['thead_close'];
+			$out .= $this->newline;
+		}
+
+		// Build the table rows
+		if (count($this->rows) > 0)
+		{
+			$out .= $this->template['tbody_open'];
+			$out .= $this->newline;
+
+			$i = 1;
+			foreach ($this->rows as $row)
+			{
+				if ( ! is_array($row))
+				{
+					break;
+				}
+
+				// We use modulus to alternate the row colors
+				$name = (fmod($i++, 2)) ? '' : 'alt_';
+
+				$out .= $this->template['row_'.$name.'start'];
+				$out .= $this->newline;
+
+				foreach ($row as $cell)
+				{
+					$temp = $this->template['cell_'.$name.'start'];
+
+					foreach ($cell as $key => $val)
+					{
+						if ($key != 'data')
+						{
+							$temp = str_replace('<td', "<td $key='$val'", $temp);
+						}
+					}
+
+					$cell = isset($cell['data']) ? $cell['data'] : '';
+					$out .= $temp;
+
+					if ($cell === "" OR $cell === NULL)
+					{
+						$out .= $this->empty_cells;
+					}
+					else
+					{
+						if ($function !== FALSE && is_callable($function))
+						{
+							$out .= call_user_func($function, $cell);
+						}
+						else
+						{
+							$out .= $cell;
+						}
+					}
+
+					$out .= $this->template['cell_'.$name.'end'];
+				}
+
+				$out .= $this->template['row_'.$name.'end'];
+				$out .= $this->newline;
+			}
+
+			$out .= $this->template['tbody_close'];
+			$out .= $this->newline;
+		}
+
+		$out .= $this->template['table_close'];
+
+		// Clear table class properties before generating the table
+		$this->clear();
+
+		return $out;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Clears the table arrays.  Useful if multiple tables are being generated
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function clear()
+	{
+		$this->rows				= array();
+		$this->heading			= array();
+		$this->auto_heading		= TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set table data from a database result object
+	 *
+	 * @access	public
+	 * @param	object
+	 * @return	void
+	 */
+	function _set_from_object($query)
+	{
+		if ( ! is_object($query))
+		{
+			return FALSE;
+		}
+
+		// First generate the headings from the table column names
+		if (count($this->heading) == 0)
+		{
+			if ( ! method_exists($query, 'list_fields'))
+			{
+				return FALSE;
+			}
+
+			$this->heading = $this->_prep_args($query->list_fields());
+		}
+
+		// Next blast through the result array and build out the rows
+
+		if ($query->num_rows() > 0)
+		{
+			foreach ($query->result_array() as $row)
+			{
+				$this->rows[] = $this->_prep_args($row);
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set table data from an array
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function _set_from_array($data, $set_heading = TRUE)
+	{
+		if ( ! is_array($data) OR count($data) == 0)
+		{
+			return FALSE;
+		}
+
+		$i = 0;
+		foreach ($data as $row)
+		{
+			// If a heading hasn't already been set we'll use the first row of the array as the heading
+			if ($i == 0 AND count($data) > 1 AND count($this->heading) == 0 AND $set_heading == TRUE)
+			{
+				$this->heading = $this->_prep_args($row);
+			}
+			else
+			{
+				$this->rows[] = $this->_prep_args($row);
+			}
+
+			$i++;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile Template
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	function _compile_template()
+	{
+		if ($this->template == NULL)
+		{
+			$this->template = $this->_default_template();
+			return;
+		}
+
+		$this->temp = $this->_default_template();
+		foreach (array('table_open', 'thead_open', 'thead_close', 'heading_row_start', 'heading_row_end', 'heading_cell_start', 'heading_cell_end', 'tbody_open', 'tbody_close', 'row_start', 'row_end', 'cell_start', 'cell_end', 'row_alt_start', 'row_alt_end', 'cell_alt_start', 'cell_alt_end', 'table_close') as $val)
+		{
+			if ( ! isset($this->template[$val]))
+			{
+				$this->template[$val] = $this->temp[$val];
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Default Template
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	function _default_template()
+	{
+		return  array (
+						'table_open'			=> '<table border="0" cellpadding="4" cellspacing="0">',
+
+						'thead_open'			=> '<thead>',
+						'thead_close'			=> '</thead>',
+
+						'heading_row_start'		=> '<tr>',
+						'heading_row_end'		=> '</tr>',
+						'heading_cell_start'	=> '<th>',
+						'heading_cell_end'		=> '</th>',
+
+						'tbody_open'			=> '<tbody>',
+						'tbody_close'			=> '</tbody>',
+
+						'row_start'				=> '<tr>',
+						'row_end'				=> '</tr>',
+						'cell_start'			=> '<td>',
+						'cell_end'				=> '</td>',
+
+						'row_alt_start'		=> '<tr>',
+						'row_alt_end'			=> '</tr>',
+						'cell_alt_start'		=> '<td>',
+						'cell_alt_end'			=> '</td>',
+
+						'table_close'			=> '</table>'
+					);
+	}
+
+
+}
+
+
+/* End of file Table.php */
+/* Location: ./system/libraries/Table.php */

system/libraries/Trackback.php

@@ -0,0 +1,548 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Trackback Class
+ *
+ * Trackback Sending/Receiving Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Trackbacks
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/trackback.html
+ */
+class CI_Trackback {
+
+	var $time_format	= 'local';
+	var $charset		= 'UTF-8';
+	var $data			= array('url' => '', 'title' => '', 'excerpt' => '', 'blog_name' => '', 'charset' => '');
+	var $convert_ascii	= TRUE;
+	var $response		= '';
+	var $error_msg		= array();
+
+	/**
+	 * Constructor
+	 *
+	 * @access	public
+	 */
+	public function __construct()
+	{
+		log_message('debug', "Trackback Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Send Trackback
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	bool
+	 */
+	function send($tb_data)
+	{
+		if ( ! is_array($tb_data))
+		{
+			$this->set_error('The send() method must be passed an array');
+			return FALSE;
+		}
+
+		// Pre-process the Trackback Data
+		foreach (array('url', 'title', 'excerpt', 'blog_name', 'ping_url') as $item)
+		{
+			if ( ! isset($tb_data[$item]))
+			{
+				$this->set_error('Required item missing: '.$item);
+				return FALSE;
+			}
+
+			switch ($item)
+			{
+				case 'ping_url'	: $$item = $this->extract_urls($tb_data[$item]);
+					break;
+				case 'excerpt'	: $$item = $this->limit_characters($this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
+					break;
+				case 'url'		: $$item = str_replace('&#45;', '-', $this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
+					break;
+				default			: $$item = $this->convert_xml(strip_tags(stripslashes($tb_data[$item])));
+					break;
+			}
+
+			// Convert High ASCII Characters
+			if ($this->convert_ascii == TRUE)
+			{
+				if ($item == 'excerpt')
+				{
+					$$item = $this->convert_ascii($$item);
+				}
+				elseif ($item == 'title')
+				{
+					$$item = $this->convert_ascii($$item);
+				}
+				elseif ($item == 'blog_name')
+				{
+					$$item = $this->convert_ascii($$item);
+				}
+			}
+		}
+
+		// Build the Trackback data string
+		$charset = ( ! isset($tb_data['charset'])) ? $this->charset : $tb_data['charset'];
+
+		$data = "url=".rawurlencode($url)."&title=".rawurlencode($title)."&blog_name=".rawurlencode($blog_name)."&excerpt=".rawurlencode($excerpt)."&charset=".rawurlencode($charset);
+
+		// Send Trackback(s)
+		$return = TRUE;
+		if (count($ping_url) > 0)
+		{
+			foreach ($ping_url as $url)
+			{
+				if ($this->process($url, $data) == FALSE)
+				{
+					$return = FALSE;
+				}
+			}
+		}
+
+		return $return;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Receive Trackback  Data
+	 *
+	 * This function simply validates the incoming TB data.
+	 * It returns FALSE on failure and TRUE on success.
+	 * If the data is valid it is set to the $this->data array
+	 * so that it can be inserted into a database.
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	function receive()
+	{
+		foreach (array('url', 'title', 'blog_name', 'excerpt') as $val)
+		{
+			if ( ! isset($_POST[$val]) OR $_POST[$val] == '')
+			{
+				$this->set_error('The following required POST variable is missing: '.$val);
+				return FALSE;
+			}
+
+			$this->data['charset'] = ( ! isset($_POST['charset'])) ? 'auto' : strtoupper(trim($_POST['charset']));
+
+			if ($val != 'url' && function_exists('mb_convert_encoding'))
+			{
+				$_POST[$val] = mb_convert_encoding($_POST[$val], $this->charset, $this->data['charset']);
+			}
+
+			$_POST[$val] = ($val != 'url') ? $this->convert_xml(strip_tags($_POST[$val])) : strip_tags($_POST[$val]);
+
+			if ($val == 'excerpt')
+			{
+				$_POST['excerpt'] = $this->limit_characters($_POST['excerpt']);
+			}
+
+			$this->data[$val] = $_POST[$val];
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Send Trackback Error Message
+	 *
+	 * Allows custom errors to be set.  By default it
+	 * sends the "incomplete information" error, as that's
+	 * the most common one.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function send_error($message = 'Incomplete Information')
+	{
+		echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>1</error>\n<message>".$message."</message>\n</response>";
+		exit;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Send Trackback Success Message
+	 *
+	 * This should be called when a trackback has been
+	 * successfully received and inserted.
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function send_success()
+	{
+		echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>0</error>\n</response>";
+		exit;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Fetch a particular item
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function data($item)
+	{
+		return ( ! isset($this->data[$item])) ? '' : $this->data[$item];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Process Trackback
+	 *
+	 * Opens a socket connection and passes the data to
+	 * the server.  Returns TRUE on success, FALSE on failure
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	bool
+	 */
+	function process($url, $data)
+	{
+		$target = parse_url($url);
+
+		// Open the socket
+		if ( ! $fp = @fsockopen($target['host'], 80))
+		{
+			$this->set_error('Invalid Connection: '.$url);
+			return FALSE;
+		}
+
+		// Build the path
+		$ppath = ( ! isset($target['path'])) ? $url : $target['path'];
+
+		$path = (isset($target['query']) && $target['query'] != "") ? $ppath.'?'.$target['query'] : $ppath;
+
+		// Add the Trackback ID to the data string
+		if ($id = $this->get_id($url))
+		{
+			$data = "tb_id=".$id."&".$data;
+		}
+
+		// Transfer the data
+		fputs ($fp, "POST " . $path . " HTTP/1.0\r\n" );
+		fputs ($fp, "Host: " . $target['host'] . "\r\n" );
+		fputs ($fp, "Content-type: application/x-www-form-urlencoded\r\n" );
+		fputs ($fp, "Content-length: " . strlen($data) . "\r\n" );
+		fputs ($fp, "Connection: close\r\n\r\n" );
+		fputs ($fp, $data);
+
+		// Was it successful?
+		$this->response = "";
+
+		while ( ! feof($fp))
+		{
+			$this->response .= fgets($fp, 128);
+		}
+		@fclose($fp);
+
+
+		if (stristr($this->response, '<error>0</error>') === FALSE)
+		{
+			$message = 'An unknown error was encountered';
+
+			if (preg_match("/<message>(.*?)<\/message>/is", $this->response, $match))
+			{
+				$message = trim($match['1']);
+			}
+
+			$this->set_error($message);
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Extract Trackback URLs
+	 *
+	 * This function lets multiple trackbacks be sent.
+	 * It takes a string of URLs (separated by comma or
+	 * space) and puts each URL into an array
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function extract_urls($urls)
+	{
+		// Remove the pesky white space and replace with a comma.
+		$urls = preg_replace("/\s*(\S+)\s*/", "\\1,", $urls);
+
+		// If they use commas get rid of the doubles.
+		$urls = str_replace(",,", ",", $urls);
+
+		// Remove any comma that might be at the end
+		if (substr($urls, -1) == ",")
+		{
+			$urls = substr($urls, 0, -1);
+		}
+
+		// Break into an array via commas
+		$urls = preg_split('/[,]/', $urls);
+
+		// Removes duplicates
+		$urls = array_unique($urls);
+
+		array_walk($urls, array($this, 'validate_url'));
+
+		return $urls;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Validate URL
+	 *
+	 * Simply adds "http://" if missing
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function validate_url($url)
+	{
+		$url = trim($url);
+
+		if (substr($url, 0, 4) != "http")
+		{
+			$url = "http://".$url;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Find the Trackback URL's ID
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function get_id($url)
+	{
+		$tb_id = "";
+
+		if (strpos($url, '?') !== FALSE)
+		{
+			$tb_array = explode('/', $url);
+			$tb_end   = $tb_array[count($tb_array)-1];
+
+			if ( ! is_numeric($tb_end))
+			{
+				$tb_end  = $tb_array[count($tb_array)-2];
+			}
+
+			$tb_array = explode('=', $tb_end);
+			$tb_id	= $tb_array[count($tb_array)-1];
+		}
+		else
+		{
+			$url = rtrim($url, '/');
+
+			$tb_array = explode('/', $url);
+			$tb_id	= $tb_array[count($tb_array)-1];
+
+			if ( ! is_numeric($tb_id))
+			{
+				$tb_id  = $tb_array[count($tb_array)-2];
+			}
+		}
+
+		if ( ! preg_match ("/^([0-9]+)$/", $tb_id))
+		{
+			return FALSE;
+		}
+		else
+		{
+			return $tb_id;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Convert Reserved XML characters to Entities
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function convert_xml($str)
+	{
+		$temp = '__TEMP_AMPERSANDS__';
+
+		$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
+		$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);
+
+		$str = str_replace(array("&","<",">","\"", "'", "-"),
+							array("&amp;", "&lt;", "&gt;", "&quot;", "&#39;", "&#45;"),
+							$str);
+
+		$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
+		$str = preg_replace("/$temp(\w+);/","&\\1;", $str);
+
+		return $str;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Character limiter
+	 *
+	 * Limits the string based on the character count. Will preserve complete words.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	integer
+	 * @param	string
+	 * @return	string
+	 */
+	function limit_characters($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) >= $n)
+			{
+				return trim($out).$end_char;
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * High ASCII to Entities
+	 *
+	 * Converts Hight ascii text and MS Word special chars
+	 * to character entities
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function convert_ascii($str)
+	{
+		$count	= 1;
+		$out	= '';
+		$temp	= array();
+
+		for ($i = 0, $s = strlen($str); $i < $s; $i++)
+		{
+			$ordinal = ord($str[$i]);
+
+			if ($ordinal < 128)
+			{
+				$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 $out;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set error message
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_error($msg)
+	{
+		log_message('error', $msg);
+		$this->error_msg[] = $msg;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Show error messages
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function display_errors($open = '<p>', $close = '</p>')
+	{
+		$str = '';
+		foreach ($this->error_msg as $val)
+		{
+			$str .= $open.$val.$close;
+		}
+
+		return $str;
+	}
+
+}
+// END Trackback Class
+
+/* End of file Trackback.php */
+/* Location: ./system/libraries/Trackback.php */

system/libraries/Typography.php

@@ -0,0 +1,410 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Typography Class
+ *
+ *
+ * @access		private
+ * @category	Helpers
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/helpers/
+ */
+class CI_Typography {
+
+	// Block level elements that should not be wrapped inside <p> tags
+	var $block_elements = 'address|blockquote|div|dl|fieldset|form|h\d|hr|noscript|object|ol|p|pre|script|table|ul';
+
+	// Elements that should not have <p> and <br /> tags within them.
+	var $skip_elements	= 'p|pre|ol|ul|dl|object|table|h\d';
+
+	// Tags we want the parser to completely ignore when splitting the string.
+	var $inline_elements = 'a|abbr|acronym|b|bdo|big|br|button|cite|code|del|dfn|em|i|img|ins|input|label|map|kbd|q|samp|select|small|span|strong|sub|sup|textarea|tt|var';
+
+	// array of block level elements that require inner content to be within another block level element
+	var $inner_block_required = array('blockquote');
+
+	// the last block element parsed
+	var $last_block_element = '';
+
+	// whether or not to protect quotes within { curly braces }
+	var $protect_braced_quotes = FALSE;
+
+	/**
+	 * Auto Typography
+	 *
+	 * This function converts text, making it typographically correct:
+	 *	- Converts double spaces into paragraphs.
+	 *	- Converts single line breaks into <br /> tags
+	 *	- Converts single and double quotes into correctly facing curly quote entities.
+	 *	- Converts three dots into ellipsis.
+	 *	- Converts double dashes into em-dashes.
+	 *  - Converts two spaces into entities
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	bool	whether to reduce more then two consecutive newlines to two
+	 * @return	string
+	 */
+	function auto_typography($str, $reduce_linebreaks = FALSE)
+	{
+		if ($str == '')
+		{
+			return '';
+		}
+
+		// Standardize Newlines to make matching easier
+		if (strpos($str, "\r") !== FALSE)
+		{
+			$str = str_replace(array("\r\n", "\r"), "\n", $str);
+		}
+
+		// Reduce line breaks.  If there are more than two consecutive linebreaks
+		// we'll compress them down to a maximum of two since there's no benefit to more.
+		if ($reduce_linebreaks === TRUE)
+		{
+			$str = preg_replace("/\n\n+/", "\n\n", $str);
+		}
+
+		// HTML comment tags don't conform to patterns of normal tags, so pull them out separately, only if needed
+		$html_comments = array();
+		if (strpos($str, '<!--') !== FALSE)
+		{
+			if (preg_match_all("#(<!\-\-.*?\-\->)#s", $str, $matches))
+			{
+				for ($i = 0, $total = count($matches[0]); $i < $total; $i++)
+				{
+					$html_comments[] = $matches[0][$i];
+					$str = str_replace($matches[0][$i], '{@HC'.$i.'}', $str);
+				}
+			}
+		}
+
+		// match and yank <pre> tags if they exist.  It's cheaper to do this separately since most content will
+		// not contain <pre> tags, and it keeps the PCRE patterns below simpler and faster
+		if (strpos($str, '<pre') !== FALSE)
+		{
+			$str = preg_replace_callback("#<pre.*?>.*?</pre>#si", array($this, '_protect_characters'), $str);
+		}
+
+		// Convert quotes within tags to temporary markers.
+		$str = preg_replace_callback("#<.+?>#si", array($this, '_protect_characters'), $str);
+
+		// Do the same with braces if necessary
+		if ($this->protect_braced_quotes === TRUE)
+		{
+			$str = preg_replace_callback("#\{.+?\}#si", array($this, '_protect_characters'), $str);
+		}
+
+		// Convert "ignore" tags to temporary marker.  The parser splits out the string at every tag
+		// it encounters.  Certain inline tags, like image tags, links, span tags, etc. will be
+		// adversely affected if they are split out so we'll convert the opening bracket < temporarily to: {@TAG}
+		$str = preg_replace("#<(/*)(".$this->inline_elements.")([ >])#i", "{@TAG}\\1\\2\\3", $str);
+
+		// Split the string at every tag.  This expression creates an array with this prototype:
+		//
+		//	[array]
+		//	{
+		//		[0] = <opening tag>
+		//		[1] = Content...
+		//		[2] = <closing tag>
+		//		Etc...
+		//	}
+		$chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
+
+		// Build our finalized string.  We cycle through the array, skipping tags, and processing the contained text
+		$str = '';
+		$process = TRUE;
+		$paragraph = FALSE;
+		$current_chunk = 0;
+		$total_chunks = count($chunks);
+
+		foreach ($chunks as $chunk)
+		{
+			$current_chunk++;
+
+			// Are we dealing with a tag? If so, we'll skip the processing for this cycle.
+			// Well also set the "process" flag which allows us to skip <pre> tags and a few other things.
+			if (preg_match("#<(/*)(".$this->block_elements.").*?>#", $chunk, $match))
+			{
+				if (preg_match("#".$this->skip_elements."#", $match[2]))
+				{
+					$process =  ($match[1] == '/') ? TRUE : FALSE;
+				}
+
+				if ($match[1] == '')
+				{
+					$this->last_block_element = $match[2];
+				}
+
+				$str .= $chunk;
+				continue;
+			}
+
+			if ($process == FALSE)
+			{
+				$str .= $chunk;
+				continue;
+			}
+
+			//  Force a newline to make sure end tags get processed by _format_newlines()
+			if ($current_chunk == $total_chunks)
+			{
+				$chunk .= "\n";
+			}
+
+			//  Convert Newlines into <p> and <br /> tags
+			$str .= $this->_format_newlines($chunk);
+		}
+
+		// No opening block level tag?  Add it if needed.
+		if ( ! preg_match("/^\s*<(?:".$this->block_elements.")/i", $str))
+		{
+			$str = preg_replace("/^(.*?)<(".$this->block_elements.")/i", '<p>$1</p><$2', $str);
+		}
+
+		// Convert quotes, elipsis, em-dashes, non-breaking spaces, and ampersands
+		$str = $this->format_characters($str);
+
+		// restore HTML comments
+		for ($i = 0, $total = count($html_comments); $i < $total; $i++)
+		{
+			// remove surrounding paragraph tags, but only if there's an opening paragraph tag
+			// otherwise HTML comments at the ends of paragraphs will have the closing tag removed
+			// if '<p>{@HC1}' then replace <p>{@HC1}</p> with the comment, else replace only {@HC1} with the comment
+			$str = preg_replace('#(?(?=<p>\{@HC'.$i.'\})<p>\{@HC'.$i.'\}(\s*</p>)|\{@HC'.$i.'\})#s', $html_comments[$i], $str);
+		}
+
+		// Final clean up
+		$table = array(
+
+						// If the user submitted their own paragraph tags within the text
+						// we will retain them instead of using our tags.
+						'/(<p[^>*?]>)<p>/'	=> '$1', // <?php BBEdit syntax coloring bug fix
+
+						// Reduce multiple instances of opening/closing paragraph tags to a single one
+						'#(</p>)+#'			=> '</p>',
+						'/(<p>\W*<p>)+/'	=> '<p>',
+
+						// Clean up stray paragraph tags that appear before block level elements
+						'#<p></p><('.$this->block_elements.')#'	=> '<$1',
+
+						// Clean up stray non-breaking spaces preceeding block elements
+						'#(&nbsp;\s*)+<('.$this->block_elements.')#'	=> '  <$2',
+
+						// Replace the temporary markers we added earlier
+						'/\{@TAG\}/'		=> '<',
+						'/\{@DQ\}/'			=> '"',
+						'/\{@SQ\}/'			=> "'",
+						'/\{@DD\}/'			=> '--',
+						'/\{@NBS\}/'		=> '  ',
+
+						// An unintended consequence of the _format_newlines function is that
+						// some of the newlines get truncated, resulting in <p> tags
+						// starting immediately after <block> tags on the same line.
+						// This forces a newline after such occurrences, which looks much nicer.
+						"/><p>\n/"			=> ">\n<p>",
+
+						// Similarly, there might be cases where a closing </block> will follow
+						// a closing </p> tag, so we'll correct it by adding a newline in between
+						"#</p></#"			=> "</p>\n</"
+						);
+
+		// Do we need to reduce empty lines?
+		if ($reduce_linebreaks === TRUE)
+		{
+			$table['#<p>\n*</p>#'] = '';
+		}
+		else
+		{
+			// If we have empty paragraph tags we add a non-breaking space
+			// otherwise most browsers won't treat them as true paragraphs
+			$table['#<p></p>#'] = '<p>&nbsp;</p>';
+		}
+
+		return preg_replace(array_keys($table), $table, $str);
+
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Format Characters
+	 *
+	 * This function mainly converts double and single quotes
+	 * to curly entities, but it also converts em-dashes,
+	 * double spaces, and ampersands
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function format_characters($str)
+	{
+		static $table;
+
+		if ( ! isset($table))
+		{
+			$table = array(
+							// nested smart quotes, opening and closing
+							// note that rules for grammar (English) allow only for two levels deep
+							// and that single quotes are _supposed_ to always be on the outside
+							// but we'll accommodate both
+							// Note that in all cases, whitespace is the primary determining factor
+							// on which direction to curl, with non-word characters like punctuation
+							// being a secondary factor only after whitespace is addressed.
+							'/\'"(\s|$)/'					=> '&#8217;&#8221;$1',
+							'/(^|\s|<p>)\'"/'				=> '$1&#8216;&#8220;',
+							'/\'"(\W)/'						=> '&#8217;&#8221;$1',
+							'/(\W)\'"/'						=> '$1&#8216;&#8220;',
+							'/"\'(\s|$)/'					=> '&#8221;&#8217;$1',
+							'/(^|\s|<p>)"\'/'				=> '$1&#8220;&#8216;',
+							'/"\'(\W)/'						=> '&#8221;&#8217;$1',
+							'/(\W)"\'/'						=> '$1&#8220;&#8216;',
+
+							// single quote smart quotes
+							'/\'(\s|$)/'					=> '&#8217;$1',
+							'/(^|\s|<p>)\'/'				=> '$1&#8216;',
+							'/\'(\W)/'						=> '&#8217;$1',
+							'/(\W)\'/'						=> '$1&#8216;',
+
+							// double quote smart quotes
+							'/"(\s|$)/'						=> '&#8221;$1',
+							'/(^|\s|<p>)"/'					=> '$1&#8220;',
+							'/"(\W)/'						=> '&#8221;$1',
+							'/(\W)"/'						=> '$1&#8220;',
+
+							// apostrophes
+							"/(\w)'(\w)/"					=> '$1&#8217;$2',
+
+							// Em dash and ellipses dots
+							'/\s?\-\-\s?/'					=> '&#8212;',
+							'/(\w)\.{3}/'					=> '$1&#8230;',
+
+							// double space after sentences
+							'/(\W)  /'						=> '$1&nbsp; ',
+
+							// ampersands, if not a character entity
+							'/&(?!#?[a-zA-Z0-9]{2,};)/'		=> '&amp;'
+						);
+		}
+
+		return preg_replace(array_keys($table), $table, $str);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Format Newlines
+	 *
+	 * Converts newline characters into either <p> tags or <br />
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function _format_newlines($str)
+	{
+		if ($str == '')
+		{
+			return $str;
+		}
+
+		if (strpos($str, "\n") === FALSE  && ! in_array($this->last_block_element, $this->inner_block_required))
+		{
+			return $str;
+		}
+
+		// Convert two consecutive newlines to paragraphs
+		$str = str_replace("\n\n", "</p>\n\n<p>", $str);
+
+		// Convert single spaces to <br /> tags
+		$str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str);
+
+		// Wrap the whole enchilada in enclosing paragraphs
+		if ($str != "\n")
+		{
+			// We trim off the right-side new line so that the closing </p> tag
+			// will be positioned immediately following the string, matching
+			// the behavior of the opening <p> tag
+			$str =  '<p>'.rtrim($str).'</p>';
+		}
+
+		// Remove empty paragraphs if they are on the first line, as this
+		// is a potential unintended consequence of the previous code
+		$str = preg_replace("/<p><\/p>(.*)/", "\\1", $str, 1);
+
+		return $str;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Protect Characters
+	 *
+	 * Protects special characters from being formatted later
+	 * We don't want quotes converted within tags so we'll temporarily convert them to {@DQ} and {@SQ}
+	 * and we don't want double dashes converted to emdash entities, so they are marked with {@DD}
+	 * likewise double spaces are converted to {@NBS} to prevent entity conversion
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	string
+	 */
+	function _protect_characters($match)
+	{
+		return str_replace(array("'",'"','--','  '), array('{@SQ}', '{@DQ}', '{@DD}', '{@NBS}'), $match[0]);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Convert newlines to HTML line breaks except within PRE tags
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	string
+	 */
+	function nl2br_except_pre($str)
+	{
+		$ex = explode("pre>",$str);
+		$ct = count($ex);
+
+		$newstr = "";
+		for ($i = 0; $i < $ct; $i++)
+		{
+			if (($i % 2) == 0)
+			{
+				$newstr .= nl2br($ex[$i]);
+			}
+			else
+			{
+				$newstr .= $ex[$i];
+			}
+
+			if ($ct - 1 != $i)
+				$newstr .= "pre>";
+		}
+
+		return $newstr;
+	}
+
+}
+// END Typography Class
+
+/* End of file Typography.php */
+/* Location: ./system/libraries/Typography.php */

system/libraries/Unit_test.php

@@ -0,0 +1,383 @@
+<?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 1.3.1
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Unit Testing Class
+ *
+ * Simple testing class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	UnitTesting
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/uri.html
+ */
+class CI_Unit_test {
+
+	var $active					= TRUE;
+	var $results				= array();
+	var $strict					= FALSE;
+	var $_template				= NULL;
+	var $_template_rows			= NULL;
+	var $_test_items_visible	= array();
+
+	public function __construct()
+	{
+		// These are the default items visible when a test is run.
+		$this->_test_items_visible = array (
+							'test_name',
+							'test_datatype',
+							'res_datatype',
+							'result',
+							'file',
+							'line',
+							'notes'
+						);
+
+		log_message('debug', "Unit Testing Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Run the tests
+	 *
+	 * Runs the supplied tests
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function set_test_items($items = array())
+	{
+		if ( ! empty($items) AND is_array($items))
+		{
+			$this->_test_items_visible = $items;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Run the tests
+	 *
+	 * Runs the supplied tests
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @param	mixed
+	 * @param	string
+	 * @return	string
+	 */
+	function run($test, $expected = TRUE, $test_name = 'undefined', $notes = '')
+	{
+		if ($this->active == FALSE)
+		{
+			return FALSE;
+		}
+
+		if (in_array($expected, array('is_object', 'is_string', 'is_bool', 'is_true', 'is_false', 'is_int', 'is_numeric', 'is_float', 'is_double', 'is_array', 'is_null'), TRUE))
+		{
+			$expected = str_replace('is_float', 'is_double', $expected);
+			$result = ($expected($test)) ? TRUE : FALSE;
+			$extype = str_replace(array('true', 'false'), 'bool', str_replace('is_', '', $expected));
+		}
+		else
+		{
+			if ($this->strict == TRUE)
+				$result = ($test === $expected) ? TRUE : FALSE;
+			else
+				$result = ($test == $expected) ? TRUE : FALSE;
+
+			$extype = gettype($expected);
+		}
+
+		$back = $this->_backtrace();
+
+		$report[] = array (
+							'test_name'			=> $test_name,
+							'test_datatype'		=> gettype($test),
+							'res_datatype'		=> $extype,
+							'result'			=> ($result === TRUE) ? 'passed' : 'failed',
+							'file'				=> $back['file'],
+							'line'				=> $back['line'],
+							'notes'				=> $notes
+						);
+
+		$this->results[] = $report;
+
+		return($this->report($this->result($report)));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate a report
+	 *
+	 * Displays a table with the test data
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	function report($result = array())
+	{
+		if (count($result) == 0)
+		{
+			$result = $this->result();
+		}
+
+		$CI =& get_instance();
+		$CI->load->language('unit_test');
+
+		$this->_parse_template();
+
+		$r = '';
+		foreach ($result as $res)
+		{
+			$table = '';
+
+			foreach ($res as $key => $val)
+			{
+				if ($key == $CI->lang->line('ut_result'))
+				{
+					if ($val == $CI->lang->line('ut_passed'))
+					{
+						$val = '<span style="color: #0C0;">'.$val.'</span>';
+					}
+					elseif ($val == $CI->lang->line('ut_failed'))
+					{
+						$val = '<span style="color: #C00;">'.$val.'</span>';
+					}
+				}
+
+				$temp = $this->_template_rows;
+				$temp = str_replace('{item}', $key, $temp);
+				$temp = str_replace('{result}', $val, $temp);
+				$table .= $temp;
+			}
+
+			$r .= str_replace('{rows}', $table, $this->_template);
+		}
+
+		return $r;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Use strict comparison
+	 *
+	 * Causes the evaluation to use === rather than ==
+	 *
+	 * @access	public
+	 * @param	bool
+	 * @return	null
+	 */
+	function use_strict($state = TRUE)
+	{
+		$this->strict = ($state == FALSE) ? FALSE : TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Make Unit testing active
+	 *
+	 * Enables/disables unit testing
+	 *
+	 * @access	public
+	 * @param	bool
+	 * @return	null
+	 */
+	function active($state = TRUE)
+	{
+		$this->active = ($state == FALSE) ? FALSE : TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Result Array
+	 *
+	 * Returns the raw result data
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	function result($results = array())
+	{
+		$CI =& get_instance();
+		$CI->load->language('unit_test');
+
+		if (count($results) == 0)
+		{
+			$results = $this->results;
+		}
+
+		$retval = array();
+		foreach ($results as $result)
+		{
+			$temp = array();
+			foreach ($result as $key => $val)
+			{
+				if ( ! in_array($key, $this->_test_items_visible))
+				{
+					continue;
+				}
+
+				if (is_array($val))
+				{
+					foreach ($val as $k => $v)
+					{
+						if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$v))))
+						{
+							$v = $line;
+						}
+						$temp[$CI->lang->line('ut_'.$k)] = $v;
+					}
+				}
+				else
+				{
+					if (FALSE !== ($line = $CI->lang->line(strtolower('ut_'.$val))))
+					{
+						$val = $line;
+					}
+					$temp[$CI->lang->line('ut_'.$key)] = $val;
+				}
+			}
+
+			$retval[] = $temp;
+		}
+
+		return $retval;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the template
+	 *
+	 * This lets us set the template to be used to display results
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_template($template)
+	{
+		$this->_template = $template;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate a backtrace
+	 *
+	 * This lets us show file names and line numbers
+	 *
+	 * @access	private
+	 * @return	array
+	 */
+	function _backtrace()
+	{
+		if (function_exists('debug_backtrace'))
+		{
+			$back = debug_backtrace();
+
+			$file = ( ! isset($back['1']['file'])) ? '' : $back['1']['file'];
+			$line = ( ! isset($back['1']['line'])) ? '' : $back['1']['line'];
+
+			return array('file' => $file, 'line' => $line);
+		}
+		return array('file' => 'Unknown', 'line' => 'Unknown');
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Default Template
+	 *
+	 * @access	private
+	 * @return	string
+	 */
+	function _default_template()
+	{
+		$this->_template = "\n".'<table style="width:100%; font-size:small; margin:10px 0; border-collapse:collapse; border:1px solid #CCC;">';
+		$this->_template .= '{rows}';
+		$this->_template .= "\n".'</table>';
+
+		$this->_template_rows = "\n\t".'<tr>';
+		$this->_template_rows .= "\n\t\t".'<th style="text-align: left; border-bottom:1px solid #CCC;">{item}</th>';
+		$this->_template_rows .= "\n\t\t".'<td style="border-bottom:1px solid #CCC;">{result}</td>';
+		$this->_template_rows .= "\n\t".'</tr>';
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Parse Template
+	 *
+	 * Harvests the data within the template {pseudo-variables}
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	function _parse_template()
+	{
+		if ( ! is_null($this->_template_rows))
+		{
+			return;
+		}
+
+		if (is_null($this->_template))
+		{
+			$this->_default_template();
+			return;
+		}
+
+		if ( ! preg_match("/\{rows\}(.*?)\{\/rows\}/si", $this->_template, $match))
+		{
+			$this->_default_template();
+			return;
+		}
+
+		$this->_template_rows = $match['1'];
+		$this->_template = str_replace($match['0'], '{rows}', $this->_template);
+	}
+
+}
+// END Unit_test Class
+
+/**
+ * Helper functions to test boolean true/false
+ *
+ *
+ * @access	private
+ * @return	bool
+ */
+function is_true($test)
+{
+	return (is_bool($test) AND $test === TRUE) ? TRUE : FALSE;
+}
+function is_false($test)
+{
+	return (is_bool($test) AND $test === FALSE) ? TRUE : FALSE;
+}
+
+
+/* End of file Unit_test.php */
+/* Location: ./system/libraries/Unit_test.php */

system/libraries/User_agent.php

@@ -0,0 +1,549 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * User Agent Class
+ *
+ * Identifies the platform, browser, robot, or mobile devise of the browsing agent
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	User Agent
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/user_agent.html
+ */
+class CI_User_agent {
+
+	var $agent		= NULL;
+
+	var $is_browser	= FALSE;
+	var $is_robot	= FALSE;
+	var $is_mobile	= FALSE;
+
+	var $languages	= array();
+	var $charsets	= array();
+
+	var $platforms	= array();
+	var $browsers	= array();
+	var $mobiles	= array();
+	var $robots		= array();
+
+	var $platform	= '';
+	var $browser	= '';
+	var $version	= '';
+	var $mobile		= '';
+	var $robot		= '';
+
+	/**
+	 * Constructor
+	 *
+	 * Sets the User Agent and runs the compilation routine
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	public function __construct()
+	{
+		if (isset($_SERVER['HTTP_USER_AGENT']))
+		{
+			$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
+		}
+
+		if ( ! is_null($this->agent))
+		{
+			if ($this->_load_agent_file())
+			{
+				$this->_compile_data();
+			}
+		}
+
+		log_message('debug', "User Agent Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile the User Agent Data
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	private function _load_agent_file()
+	{
+		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
+		{
+			include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php');
+		}
+		elseif (is_file(APPPATH.'config/user_agents.php'))
+		{
+			include(APPPATH.'config/user_agents.php');
+		}
+		else
+		{
+			return FALSE;
+		}
+
+		$return = FALSE;
+
+		if (isset($platforms))
+		{
+			$this->platforms = $platforms;
+			unset($platforms);
+			$return = TRUE;
+		}
+
+		if (isset($browsers))
+		{
+			$this->browsers = $browsers;
+			unset($browsers);
+			$return = TRUE;
+		}
+
+		if (isset($mobiles))
+		{
+			$this->mobiles = $mobiles;
+			unset($mobiles);
+			$return = TRUE;
+		}
+
+		if (isset($robots))
+		{
+			$this->robots = $robots;
+			unset($robots);
+			$return = TRUE;
+		}
+
+		return $return;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Compile the User Agent Data
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	private function _compile_data()
+	{
+		$this->_set_platform();
+
+		foreach (array('_set_robot', '_set_browser', '_set_mobile') as $function)
+		{
+			if ($this->$function() === TRUE)
+			{
+				break;
+			}
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Platform
+	 *
+	 * @access	private
+	 * @return	mixed
+	 */
+	private function _set_platform()
+	{
+		if (is_array($this->platforms) AND count($this->platforms) > 0)
+		{
+			foreach ($this->platforms as $key => $val)
+			{
+				if (preg_match("|".preg_quote($key)."|i", $this->agent))
+				{
+					$this->platform = $val;
+					return TRUE;
+				}
+			}
+		}
+		$this->platform = 'Unknown Platform';
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Browser
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	private function _set_browser()
+	{
+		if (is_array($this->browsers) AND count($this->browsers) > 0)
+		{
+			foreach ($this->browsers as $key => $val)
+			{
+				if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match))
+				{
+					$this->is_browser = TRUE;
+					$this->version = $match[1];
+					$this->browser = $val;
+					$this->_set_mobile();
+					return TRUE;
+				}
+			}
+		}
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Robot
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	private function _set_robot()
+	{
+		if (is_array($this->robots) AND count($this->robots) > 0)
+		{
+			foreach ($this->robots as $key => $val)
+			{
+				if (preg_match("|".preg_quote($key)."|i", $this->agent))
+				{
+					$this->is_robot = TRUE;
+					$this->robot = $val;
+					return TRUE;
+				}
+			}
+		}
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the Mobile Device
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	private function _set_mobile()
+	{
+		if (is_array($this->mobiles) AND count($this->mobiles) > 0)
+		{
+			foreach ($this->mobiles as $key => $val)
+			{
+				if (FALSE !== (strpos(strtolower($this->agent), $key)))
+				{
+					$this->is_mobile = TRUE;
+					$this->mobile = $val;
+					return TRUE;
+				}
+			}
+		}
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the accepted languages
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	private function _set_languages()
+	{
+		if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '')
+		{
+			$languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])));
+
+			$this->languages = explode(',', $languages);
+		}
+
+		if (count($this->languages) == 0)
+		{
+			$this->languages = array('Undefined');
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set the accepted character sets
+	 *
+	 * @access	private
+	 * @return	void
+	 */
+	private function _set_charsets()
+	{
+		if ((count($this->charsets) == 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '')
+		{
+			$charsets = preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])));
+
+			$this->charsets = explode(',', $charsets);
+		}
+
+		if (count($this->charsets) == 0)
+		{
+			$this->charsets = array('Undefined');
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is Browser
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function is_browser($key = NULL)
+	{
+		if ( ! $this->is_browser)
+		{
+			return FALSE;
+		}
+
+		// No need to be specific, it's a browser
+		if ($key === NULL)
+		{
+			return TRUE;
+		}
+
+		// Check for a specific browser
+		return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is Robot
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function is_robot($key = NULL)
+	{
+		if ( ! $this->is_robot)
+		{
+			return FALSE;
+		}
+
+		// No need to be specific, it's a robot
+		if ($key === NULL)
+		{
+			return TRUE;
+		}
+
+		// Check for a specific robot
+		return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is Mobile
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function is_mobile($key = NULL)
+	{
+		if ( ! $this->is_mobile)
+		{
+			return FALSE;
+		}
+
+		// No need to be specific, it's a mobile
+		if ($key === NULL)
+		{
+			return TRUE;
+		}
+
+		// Check for a specific robot
+		return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key];
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Is this a referral from another site?
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function is_referral()
+	{
+		if ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '')
+		{
+			return FALSE;
+		}
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Agent String
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function agent_string()
+	{
+		return $this->agent;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Platform
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function platform()
+	{
+		return $this->platform;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Browser Name
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function browser()
+	{
+		return $this->browser;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the Browser Version
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function version()
+	{
+		return $this->version;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get The Robot Name
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function robot()
+	{
+		return $this->robot;
+	}
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the Mobile Device
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	public function mobile()
+	{
+		return $this->mobile;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the referrer
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function referrer()
+	{
+		return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the accepted languages
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	public function languages()
+	{
+		if (count($this->languages) == 0)
+		{
+			$this->_set_languages();
+		}
+
+		return $this->languages;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the accepted Character Sets
+	 *
+	 * @access	public
+	 * @return	array
+	 */
+	public function charsets()
+	{
+		if (count($this->charsets) == 0)
+		{
+			$this->_set_charsets();
+		}
+
+		return $this->charsets;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Test for a particular language
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function accept_lang($lang = 'en')
+	{
+		return (in_array(strtolower($lang), $this->languages(), TRUE));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Test for a particular character set
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	public function accept_charset($charset = 'utf-8')
+	{
+		return (in_array(strtolower($charset), $this->charsets(), TRUE));
+	}
+
+}
+
+
+/* End of file User_agent.php */
+/* Location: ./system/libraries/User_agent.php */

system/libraries/Xmlrpcs.php

@@ -0,0 +1,612 @@
+<?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
+ */
+
+if ( ! function_exists('xml_parser_create'))
+{
+	show_error('Your PHP installation does not support XML');
+}
+
+if ( ! class_exists('CI_Xmlrpc'))
+{
+	show_error('You must load the Xmlrpc class before loading the Xmlrpcs class in order to create a server.');
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * XML-RPC server class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	XML-RPC
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/xmlrpc.html
+ */
+class CI_Xmlrpcs extends CI_Xmlrpc
+{
+	var $methods		= array();	//array of methods mapped to function names and signatures
+	var $debug_msg		= '';		// Debug Message
+	var $system_methods = array();	// XML RPC Server methods
+	var $controller_obj;
+
+	var $object			= FALSE;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct($config=array())
+	{
+		parent::__construct();
+		$this->set_system_methods();
+
+		if (isset($config['functions']) && is_array($config['functions']))
+		{
+			$this->methods = array_merge($this->methods, $config['functions']);
+		}
+
+		log_message('debug', "XML-RPC Server Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize Prefs and Serve
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	void
+	 */
+	function initialize($config=array())
+	{
+		if (isset($config['functions']) && is_array($config['functions']))
+		{
+			$this->methods = array_merge($this->methods, $config['functions']);
+		}
+
+		if (isset($config['debug']))
+		{
+			$this->debug = $config['debug'];
+		}
+
+		if (isset($config['object']) && is_object($config['object']))
+		{
+			$this->object = $config['object'];
+		}
+
+		if (isset($config['xss_clean']))
+		{
+			$this->xss_clean = $config['xss_clean'];
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Setting of System Methods
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function set_system_methods()
+	{
+		$this->methods = array(
+					'system.listMethods'	 => array(
+													'function' => 'this.listMethods',
+													'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString), array($this->xmlrpcArray)),
+													'docstring' => 'Returns an array of available methods on this server'),
+					'system.methodHelp'		 => array(
+													'function' => 'this.methodHelp',
+													'signature' => array(array($this->xmlrpcString, $this->xmlrpcString)),
+													'docstring' => 'Returns a documentation string for the specified method'),
+					'system.methodSignature' => array(
+													'function' => 'this.methodSignature',
+													'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString)),
+													'docstring' => 'Returns an array describing the return type and required parameters of a method'),
+					'system.multicall'		 => array(
+												'function' => 'this.multicall',
+												'signature' => array(array($this->xmlrpcArray, $this->xmlrpcArray)),
+												'docstring' => 'Combine multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details')
+					);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Main Server Function
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function serve()
+	{
+		$r = $this->parseRequest();
+		$payload  = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n";
+		$payload .= $this->debug_msg;
+		$payload .= $r->prepare_response();
+
+		header("Content-Type: text/xml");
+		header("Content-Length: ".strlen($payload));
+		exit($payload);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add Method to Class
+	 *
+	 * @access	public
+	 * @param	string	method name
+	 * @param	string	function
+	 * @param	string	signature
+	 * @param	string	docstring
+	 * @return	void
+	 */
+	function add_to_map($methodname, $function, $sig, $doc)
+	{
+		$this->methods[$methodname] = array(
+			'function'  => $function,
+			'signature' => $sig,
+			'docstring' => $doc
+		);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Parse Server Request
+	 *
+	 * @access	public
+	 * @param	string	data
+	 * @return	object	xmlrpc response
+	 */
+	function parseRequest($data='')
+	{
+		global $HTTP_RAW_POST_DATA;
+
+		//-------------------------------------
+		//  Get Data
+		//-------------------------------------
+
+		if ($data == '')
+		{
+			$data = $HTTP_RAW_POST_DATA;
+		}
+
+		//-------------------------------------
+		//  Set up XML Parser
+		//-------------------------------------
+
+		$parser = xml_parser_create($this->xmlrpc_defencoding);
+		$parser_object = new XML_RPC_Message("filler");
+
+		$parser_object->xh[$parser]					= array();
+		$parser_object->xh[$parser]['isf']			= 0;
+		$parser_object->xh[$parser]['isf_reason']	= '';
+		$parser_object->xh[$parser]['params']		= array();
+		$parser_object->xh[$parser]['stack']		= array();
+		$parser_object->xh[$parser]['valuestack']	= array();
+		$parser_object->xh[$parser]['method']		= '';
+
+		xml_set_object($parser, $parser_object);
+		xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true);
+		xml_set_element_handler($parser, 'open_tag', 'closing_tag');
+		xml_set_character_data_handler($parser, 'character_data');
+		//xml_set_default_handler($parser, 'default_handler');
+
+
+		//-------------------------------------
+		//  PARSE + PROCESS XML DATA
+		//-------------------------------------
+
+		if ( ! xml_parse($parser, $data, 1))
+		{
+			// return XML error as a faultCode
+			$r = new XML_RPC_Response(0,
+			$this->xmlrpcerrxml + xml_get_error_code($parser),
+			sprintf('XML error: %s at line %d',
+				xml_error_string(xml_get_error_code($parser)),
+				xml_get_current_line_number($parser)));
+			xml_parser_free($parser);
+		}
+		elseif ($parser_object->xh[$parser]['isf'])
+		{
+			return new XML_RPC_Response(0, $this->xmlrpcerr['invalid_return'], $this->xmlrpcstr['invalid_return']);
+		}
+		else
+		{
+			xml_parser_free($parser);
+
+			$m = new XML_RPC_Message($parser_object->xh[$parser]['method']);
+			$plist='';
+
+			for ($i=0; $i < count($parser_object->xh[$parser]['params']); $i++)
+			{
+				if ($this->debug === TRUE)
+				{
+					$plist .= "$i - " .  print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n";
+				}
+
+				$m->addParam($parser_object->xh[$parser]['params'][$i]);
+			}
+
+			if ($this->debug === TRUE)
+			{
+				echo "<pre>";
+				echo "---PLIST---\n" . $plist . "\n---PLIST END---\n\n";
+				echo "</pre>";
+			}
+
+			$r = $this->_execute($m);
+		}
+
+		//-------------------------------------
+		//  SET DEBUGGING MESSAGE
+		//-------------------------------------
+
+		if ($this->debug === TRUE)
+		{
+			$this->debug_msg = "<!-- DEBUG INFO:\n\n".$plist."\n END DEBUG-->\n";
+		}
+
+		return $r;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Executes the Method
+	 *
+	 * @access	protected
+	 * @param	object
+	 * @return	mixed
+	 */
+	function _execute($m)
+	{
+		$methName = $m->method_name;
+
+		// Check to see if it is a system call
+		$system_call = (strncmp($methName, 'system', 5) == 0) ? TRUE : FALSE;
+
+		if ($this->xss_clean == FALSE)
+		{
+			$m->xss_clean = FALSE;
+		}
+
+		//-------------------------------------
+		//  Valid Method
+		//-------------------------------------
+
+		if ( ! isset($this->methods[$methName]['function']))
+		{
+			return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
+		}
+
+		//-------------------------------------
+		//  Check for Method (and Object)
+		//-------------------------------------
+
+		$method_parts = explode(".", $this->methods[$methName]['function']);
+		$objectCall = (isset($method_parts['1']) && $method_parts['1'] != "") ? TRUE : FALSE;
+
+		if ($system_call === TRUE)
+		{
+			if ( ! is_callable(array($this,$method_parts['1'])))
+			{
+				return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
+			}
+		}
+		else
+		{
+			if ($objectCall && ! is_callable(array($method_parts['0'],$method_parts['1'])))
+			{
+				return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
+			}
+			elseif ( ! $objectCall && ! is_callable($this->methods[$methName]['function']))
+			{
+				return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
+			}
+		}
+
+		//-------------------------------------
+		//  Checking Methods Signature
+		//-------------------------------------
+
+		if (isset($this->methods[$methName]['signature']))
+		{
+			$sig = $this->methods[$methName]['signature'];
+			for ($i=0; $i<count($sig); $i++)
+			{
+				$current_sig = $sig[$i];
+
+				if (count($current_sig) == count($m->params)+1)
+				{
+					for ($n=0; $n < count($m->params); $n++)
+					{
+						$p = $m->params[$n];
+						$pt = ($p->kindOf() == 'scalar') ? $p->scalarval() : $p->kindOf();
+
+						if ($pt != $current_sig[$n+1])
+						{
+							$pno = $n+1;
+							$wanted = $current_sig[$n+1];
+
+							return new XML_RPC_Response(0,
+								$this->xmlrpcerr['incorrect_params'],
+								$this->xmlrpcstr['incorrect_params'] .
+								": Wanted {$wanted}, got {$pt} at param {$pno})");
+						}
+					}
+				}
+			}
+		}
+
+		//-------------------------------------
+		//  Calls the Function
+		//-------------------------------------
+
+		if ($objectCall === TRUE)
+		{
+			if ($method_parts[0] == "this" && $system_call == TRUE)
+			{
+				return call_user_func(array($this, $method_parts[1]), $m);
+			}
+			else
+			{
+				if ($this->object === FALSE)
+				{
+					$CI =& get_instance();
+					return $CI->$method_parts['1']($m);
+				}
+				else
+				{
+					return $this->object->$method_parts['1']($m);
+					//return call_user_func(array(&$method_parts['0'],$method_parts['1']), $m);
+				}
+			}
+		}
+		else
+		{
+			return call_user_func($this->methods[$methName]['function'], $m);
+		}
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Server Function:  List Methods
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function listMethods($m)
+	{
+		$v = new XML_RPC_Values();
+		$output = array();
+
+		foreach ($this->methods as $key => $value)
+		{
+			$output[] = new XML_RPC_Values($key, 'string');
+		}
+
+		foreach ($this->system_methods as $key => $value)
+		{
+			$output[]= new XML_RPC_Values($key, 'string');
+		}
+
+		$v->addArray($output);
+		return new XML_RPC_Response($v);
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Server Function:  Return Signature for Method
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function methodSignature($m)
+	{
+		$parameters = $m->output_parameters();
+		$method_name = $parameters[0];
+
+		if (isset($this->methods[$method_name]))
+		{
+			if ($this->methods[$method_name]['signature'])
+			{
+				$sigs = array();
+				$signature = $this->methods[$method_name]['signature'];
+
+				for ($i=0; $i < count($signature); $i++)
+				{
+					$cursig = array();
+					$inSig = $signature[$i];
+					for ($j=0; $j<count($inSig); $j++)
+					{
+						$cursig[]= new XML_RPC_Values($inSig[$j], 'string');
+					}
+					$sigs[]= new XML_RPC_Values($cursig, 'array');
+				}
+				$r = new XML_RPC_Response(new XML_RPC_Values($sigs, 'array'));
+			}
+			else
+			{
+				$r = new XML_RPC_Response(new XML_RPC_Values('undef', 'string'));
+			}
+		}
+		else
+		{
+			$r = new XML_RPC_Response(0,$this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
+		}
+		return $r;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Server Function:  Doc String for Method
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function methodHelp($m)
+	{
+		$parameters = $m->output_parameters();
+		$method_name = $parameters[0];
+
+		if (isset($this->methods[$method_name]))
+		{
+			$docstring = isset($this->methods[$method_name]['docstring']) ? $this->methods[$method_name]['docstring'] : '';
+
+			return new XML_RPC_Response(new XML_RPC_Values($docstring, 'string'));
+		}
+		else
+		{
+			return new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']);
+		}
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Server Function:  Multi-call
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function multicall($m)
+	{
+		// Disabled
+		return new XML_RPC_Response(0, $this->xmlrpcerr['unknown_method'], $this->xmlrpcstr['unknown_method']);
+
+		$parameters = $m->output_parameters();
+		$calls = $parameters[0];
+
+		$result = array();
+
+		foreach ($calls as $value)
+		{
+			//$attempt = $this->_execute(new XML_RPC_Message($value[0], $value[1]));
+
+			$m = new XML_RPC_Message($value[0]);
+			$plist='';
+
+			for ($i=0; $i < count($value[1]); $i++)
+			{
+				$m->addParam(new XML_RPC_Values($value[1][$i], 'string'));
+			}
+
+			$attempt = $this->_execute($m);
+
+			if ($attempt->faultCode() != 0)
+			{
+				return $attempt;
+			}
+
+			$result[] = new XML_RPC_Values(array($attempt->value()), 'array');
+		}
+
+		return new XML_RPC_Response(new XML_RPC_Values($result, 'array'));
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Multi-call Function:  Error Handling
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function multicall_error($err)
+	{
+		$str  = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString();
+		$code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode();
+
+		$struct['faultCode'] = new XML_RPC_Values($code, 'int');
+		$struct['faultString'] = new XML_RPC_Values($str, 'string');
+
+		return new XML_RPC_Values($struct, 'struct');
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *  Multi-call Function:  Processes method
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	object
+	 */
+	function do_multicall($call)
+	{
+		if ($call->kindOf() != 'struct')
+		{
+			return $this->multicall_error('notstruct');
+		}
+		elseif ( ! $methName = $call->me['struct']['methodName'])
+		{
+			return $this->multicall_error('nomethod');
+		}
+
+		list($scalar_type,$scalar_value)=each($methName->me);
+		$scalar_type = $scalar_type == $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type;
+
+		if ($methName->kindOf() != 'scalar' OR $scalar_type != 'string')
+		{
+			return $this->multicall_error('notstring');
+		}
+		elseif ($scalar_value == 'system.multicall')
+		{
+			return $this->multicall_error('recursion');
+		}
+		elseif ( ! $params = $call->me['struct']['params'])
+		{
+			return $this->multicall_error('noparams');
+		}
+		elseif ($params->kindOf() != 'array')
+		{
+			return $this->multicall_error('notarray');
+		}
+
+		list($a,$b)=each($params->me);
+		$numParams = count($b);
+
+		$msg = new XML_RPC_Message($scalar_value);
+		for ($i = 0; $i < $numParams; $i++)
+		{
+			$msg->params[] = $params->me['array'][$i];
+		}
+
+		$result = $this->_execute($msg);
+
+		if ($result->faultCode() != 0)
+		{
+			return $this->multicall_error($result);
+		}
+
+		return new XML_RPC_Values(array($result->value()), 'array');
+	}
+
+}
+// END XML_RPC_Server class
+
+
+/* End of file Xmlrpcs.php */
+/* Location: ./system/libraries/Xmlrpcs.php */

system/libraries/Zip.php

@@ -0,0 +1,423 @@
+<?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
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Zip Compression Class
+ *
+ * This class is based on a library I found at Zend:
+ * http://www.zend.com/codex.php?id=696&single=1
+ *
+ * The original library is a little rough around the edges so I
+ * refactored it and added several additional methods -- Rick Ellis
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Encryption
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/zip.html
+ */
+class CI_Zip  {
+
+	var $zipdata	= '';
+	var $directory	= '';
+	var $entries	= 0;
+	var $file_num	= 0;
+	var $offset		= 0;
+	var $now;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		log_message('debug', "Zip Compression Class Initialized");
+
+		$this->now = time();
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add Directory
+	 *
+	 * Lets you add a virtual directory into which you can place files.
+	 *
+	 * @access	public
+	 * @param	mixed	the directory name. Can be string or array
+	 * @return	void
+	 */
+	function add_dir($directory)
+	{
+		foreach ((array)$directory as $dir)
+		{
+			if ( ! preg_match("|.+/$|", $dir))
+			{
+				$dir .= '/';
+			}
+
+			$dir_time = $this->_get_mod_time($dir);
+
+			$this->_add_dir($dir, $dir_time['file_mtime'], $dir_time['file_mdate']);
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 *	Get file/directory modification time
+	 *
+	 *	If this is a newly created file/dir, we will set the time to 'now'
+	 *
+	 *	@param string	path to file
+	 *	@return array	filemtime/filemdate
+	 */
+	function _get_mod_time($dir)
+	{
+		// filemtime() will return false, but it does raise an error.
+		$date = (@filemtime($dir)) ? filemtime($dir) : getdate($this->now);
+
+		$time['file_mtime'] = ($date['hours'] << 11) + ($date['minutes'] << 5) + $date['seconds'] / 2;
+		$time['file_mdate'] = (($date['year'] - 1980) << 9) + ($date['mon'] << 5) + $date['mday'];
+
+		return $time;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add Directory
+	 *
+	 * @access	private
+	 * @param	string	the directory name
+	 * @return	void
+	 */
+	function _add_dir($dir, $file_mtime, $file_mdate)
+	{
+		$dir = str_replace("\\", "/", $dir);
+
+		$this->zipdata .=
+			"\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00"
+			.pack('v', $file_mtime)
+			.pack('v', $file_mdate)
+			.pack('V', 0) // crc32
+			.pack('V', 0) // compressed filesize
+			.pack('V', 0) // uncompressed filesize
+			.pack('v', strlen($dir)) // length of pathname
+			.pack('v', 0) // extra field length
+			.$dir
+			// below is "data descriptor" segment
+			.pack('V', 0) // crc32
+			.pack('V', 0) // compressed filesize
+			.pack('V', 0); // uncompressed filesize
+
+		$this->directory .=
+			"\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00"
+			.pack('v', $file_mtime)
+			.pack('v', $file_mdate)
+			.pack('V',0) // crc32
+			.pack('V',0) // compressed filesize
+			.pack('V',0) // uncompressed filesize
+			.pack('v', strlen($dir)) // length of pathname
+			.pack('v', 0) // extra field length
+			.pack('v', 0) // file comment length
+			.pack('v', 0) // disk number start
+			.pack('v', 0) // internal file attributes
+			.pack('V', 16) // external file attributes - 'directory' bit set
+			.pack('V', $this->offset) // relative offset of local header
+			.$dir;
+
+		$this->offset = strlen($this->zipdata);
+		$this->entries++;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add Data to Zip
+	 *
+	 * Lets you add files to the archive. If the path is included
+	 * in the filename it will be placed within a directory.  Make
+	 * sure you use add_dir() first to create the folder.
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @param	string
+	 * @return	void
+	 */
+	function add_data($filepath, $data = NULL)
+	{
+		if (is_array($filepath))
+		{
+			foreach ($filepath as $path => $data)
+			{
+				$file_data = $this->_get_mod_time($path);
+
+				$this->_add_data($path, $data, $file_data['file_mtime'], $file_data['file_mdate']);
+			}
+		}
+		else
+		{
+			$file_data = $this->_get_mod_time($filepath);
+
+			$this->_add_data($filepath, $data, $file_data['file_mtime'], $file_data['file_mdate']);
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Add Data to Zip
+	 *
+	 * @access	private
+	 * @param	string	the file name/path
+	 * @param	string	the data to be encoded
+	 * @return	void
+	 */
+	function _add_data($filepath, $data, $file_mtime, $file_mdate)
+	{
+		$filepath = str_replace("\\", "/", $filepath);
+
+		$uncompressed_size = strlen($data);
+		$crc32  = crc32($data);
+
+		$gzdata = gzcompress($data);
+		$gzdata = substr($gzdata, 2, -4);
+		$compressed_size = strlen($gzdata);
+
+		$this->zipdata .=
+			"\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00"
+			.pack('v', $file_mtime)
+			.pack('v', $file_mdate)
+			.pack('V', $crc32)
+			.pack('V', $compressed_size)
+			.pack('V', $uncompressed_size)
+			.pack('v', strlen($filepath)) // length of filename
+			.pack('v', 0) // extra field length
+			.$filepath
+			.$gzdata; // "file data" segment
+
+		$this->directory .=
+			"\x50\x4b\x01\x02\x00\x00\x14\x00\x00\x00\x08\x00"
+			.pack('v', $file_mtime)
+			.pack('v', $file_mdate)
+			.pack('V', $crc32)
+			.pack('V', $compressed_size)
+			.pack('V', $uncompressed_size)
+			.pack('v', strlen($filepath)) // length of filename
+			.pack('v', 0) // extra field length
+			.pack('v', 0) // file comment length
+			.pack('v', 0) // disk number start
+			.pack('v', 0) // internal file attributes
+			.pack('V', 32) // external file attributes - 'archive' bit set
+			.pack('V', $this->offset) // relative offset of local header
+			.$filepath;
+
+		$this->offset = strlen($this->zipdata);
+		$this->entries++;
+		$this->file_num++;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Read the contents of a file and add it to the zip
+	 *
+	 * @access	public
+	 * @return	bool
+	 */
+	function read_file($path, $preserve_filepath = FALSE)
+	{
+		if ( ! file_exists($path))
+		{
+			return FALSE;
+		}
+
+		if (FALSE !== ($data = file_get_contents($path)))
+		{
+			$name = str_replace("\\", "/", $path);
+
+			if ($preserve_filepath === FALSE)
+			{
+				$name = preg_replace("|.*/(.+)|", "\\1", $name);
+			}
+
+			$this->add_data($name, $data);
+			return TRUE;
+		}
+		return FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Read a directory and add it to the zip.
+	 *
+	 * This function recursively reads a folder and everything it contains (including
+	 * sub-folders) and creates a zip based on it.  Whatever directory structure
+	 * is in the original file path will be recreated in the zip file.
+	 *
+	 * @access	public
+	 * @param	string	path to source
+	 * @return	bool
+	 */
+	function read_dir($path, $preserve_filepath = TRUE, $root_path = NULL)
+	{
+		if ( ! $fp = @opendir($path))
+		{
+			return FALSE;
+		}
+
+		// Set the original directory root for child dir's to use as relative
+		if ($root_path === NULL)
+		{
+			$root_path = dirname($path).'/';
+		}
+
+		while (FALSE !== ($file = readdir($fp)))
+		{
+			if (substr($file, 0, 1) == '.')
+			{
+				continue;
+			}
+
+			if (@is_dir($path.$file))
+			{
+				$this->read_dir($path.$file."/", $preserve_filepath, $root_path);
+			}
+			else
+			{
+				if (FALSE !== ($data = file_get_contents($path.$file)))
+				{
+					$name = str_replace("\\", "/", $path);
+
+					if ($preserve_filepath === FALSE)
+					{
+						$name = str_replace($root_path, '', $name);
+					}
+
+					$this->add_data($name.$file, $data);
+				}
+			}
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get the Zip file
+	 *
+	 * @access	public
+	 * @return	binary string
+	 */
+	function get_zip()
+	{
+		// Is there any data to return?
+		if ($this->entries == 0)
+		{
+			return FALSE;
+		}
+
+		$zip_data = $this->zipdata;
+		$zip_data .= $this->directory."\x50\x4b\x05\x06\x00\x00\x00\x00";
+		$zip_data .= pack('v', $this->entries); // total # of entries "on this disk"
+		$zip_data .= pack('v', $this->entries); // total # of entries overall
+		$zip_data .= pack('V', strlen($this->directory)); // size of central dir
+		$zip_data .= pack('V', strlen($this->zipdata)); // offset to start of central dir
+		$zip_data .= "\x00\x00"; // .zip file comment length
+
+		return $zip_data;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Write File to the specified directory
+	 *
+	 * Lets you write a file
+	 *
+	 * @access	public
+	 * @param	string	the file name
+	 * @return	bool
+	 */
+	function archive($filepath)
+	{
+		if ( ! ($fp = @fopen($filepath, FOPEN_WRITE_CREATE_DESTRUCTIVE)))
+		{
+			return FALSE;
+		}
+
+		flock($fp, LOCK_EX);
+		fwrite($fp, $this->get_zip());
+		flock($fp, LOCK_UN);
+		fclose($fp);
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Download
+	 *
+	 * @access	public
+	 * @param	string	the file name
+	 * @param	string	the data to be encoded
+	 * @return	bool
+	 */
+	function download($filename = 'backup.zip')
+	{
+		if ( ! preg_match("|.+?\.zip$|", $filename))
+		{
+			$filename .= '.zip';
+		}
+
+		$CI =& get_instance();
+		$CI->load->helper('download');
+
+		$get_zip = $this->get_zip();
+
+		$zip_content =& $get_zip;
+
+		force_download($filename, $zip_content);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize Data
+	 *
+	 * Lets you clear current zip data.  Useful if you need to create
+	 * multiple zips with different data.
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function clear_data()
+	{
+		$this->zipdata		= '';
+		$this->directory	= '';
+		$this->entries		= 0;
+		$this->file_num		= 0;
+		$this->offset		= 0;
+	}
+
+}
+
+/* End of file Zip.php */
+/* Location: ./system/libraries/Zip.php */

system/libraries/index.html

@@ -0,0 +1,10 @@
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>