Current File : /home/admin/domains/happytokorea.com/public_html_bk/libraries/joomla/session/storage/database.php
<?php
/**
* @version $Id:database.php 6961 2007-03-15 16:06:53Z tcp $
* @package Joomla.Framework
* @subpackage Session
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
/**
* Database session storage handler for PHP
*
* @package Joomla.Framework
* @subpackage Session
* @since 1.5
* @see http://www.php.net/manual/en/function.session-set-save-handler.php
*/
class JSessionStorageDatabase extends JSessionStorage
{
var $_data = null;
/**
* Open the SessionHandler backend.
*
* @access public
* @param string $save_path The path to the session object.
* @param string $session_name The name of the session.
* @return boolean True on success, false otherwise.
*/
function open($save_path, $session_name)
{
return true;
}
/**
* Close the SessionHandler backend.
*
* @access public
* @return boolean True on success, false otherwise.
*/
function close()
{
return true;
}
/**
* Read the data for a particular session identifier from the
* SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @return string The session data.
*/
function read($id)
{
$db =& JFactory::getDBO();
if(!$db->connected()) {
return false;
}
$session = & JTable::getInstance('session');
$session->load($id);
return (string)$session->data;
}
/**
* Write session data to the SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @param string $session_data The session data.
* @return boolean True on success, false otherwise.
*/
function write($id, $session_data)
{
$db =& JFactory::getDBO();
if(!$db->connected()) {
return false;
}
$session = & JTable::getInstance('session');
if ($session->load($id)) {
$session->data = $session_data;
$session->store();
} else {
// if load failed then we assume that it is because
// the session doesn't exist in the database
// therefore we use insert instead of store
$app = &JFactory::getApplication();
$session->data = $session_data;
$session->insert($id, $app->getClientId());
}
return true;
}
/**
* Destroy the data for a particular session identifier in the
* SessionHandler backend.
*
* @access public
* @param string $id The session identifier.
* @return boolean True on success, false otherwise.
*/
function destroy($id)
{
$db =& JFactory::getDBO();
if(!$db->connected()) {
return false;
}
$session = & JTable::getInstance('session');
$session->delete($id);
return true;
}
/**
* Garbage collect stale sessions from the SessionHandler backend.
*
* @access public
* @param integer $maxlifetime The maximum age of a session.
* @return boolean True on success, false otherwise.
*/
function gc($maxlifetime)
{
$db =& JFactory::getDBO();
if(!$db->connected()) {
return false;
}
$session = & JTable::getInstance('session');
$session->purge($maxlifetime);
return true;
}
}