first commit

This commit is contained in:
alazhar
2020-01-02 23:02:57 +07:00
commit 4599c79723
263 changed files with 84293 additions and 0 deletions

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<?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 */

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 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 */

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<?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 */

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<?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 */

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<?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 */