106 lines
2.3 KiB
PHP
106 lines
2.3 KiB
PHP
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<?php defined('SYSPATH') OR die('No direct access allowed.');
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/**
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* Session cache driver.
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*
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* Cache library config goes in the session.storage config entry:
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* $config['storage'] = array(
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* 'driver' => 'apc',
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* 'requests' => 10000
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* );
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* Lifetime does not need to be set as it is
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* overridden by the session expiration setting.
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*
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* $Id: Cache.php 3769 2008-12-15 00:48:56Z zombor $
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Session_Cache_Driver implements Session_Driver {
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protected $cache;
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protected $encrypt;
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public function __construct()
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{
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// Load Encrypt library
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if (Kohana::config('session.encryption'))
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{
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$this->encrypt = new Encrypt;
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}
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Kohana::log('debug', 'Session Cache Driver Initialized');
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}
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public function open($path, $name)
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{
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$config = Kohana::config('session.storage');
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if (empty($config))
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{
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// Load the default group
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$config = Kohana::config('cache.default');
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}
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elseif (is_string($config))
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{
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$name = $config;
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// Test the config group name
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if (($config = Kohana::config('cache.'.$config)) === NULL)
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throw new Kohana_Exception('cache.undefined_group', $name);
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}
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$config['lifetime'] = (Kohana::config('session.expiration') == 0) ? 86400 : Kohana::config('session.expiration');
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$this->cache = new Cache($config);
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return is_object($this->cache);
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}
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public function close()
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{
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return TRUE;
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}
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public function read($id)
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{
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$id = 'session_'.$id;
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if ($data = $this->cache->get($id))
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{
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return Kohana::config('session.encryption') ? $this->encrypt->decode($data) : $data;
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}
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// Return value must be string, NOT a boolean
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return '';
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}
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public function write($id, $data)
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{
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$id = 'session_'.$id;
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$data = Kohana::config('session.encryption') ? $this->encrypt->encode($data) : $data;
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return $this->cache->set($id, $data);
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}
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public function destroy($id)
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{
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$id = 'session_'.$id;
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return $this->cache->delete($id);
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}
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public function regenerate()
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{
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session_regenerate_id(TRUE);
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// Return new session id
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return session_id();
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}
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public function gc($maxlifetime)
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{
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// Just return, caches are automatically cleaned up
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return TRUE;
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}
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} // End Session Cache Driver
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