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PC World 2008 September
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Joomla_1.5.4-Stable-Full_Package.exe
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plugins
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system
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remember.php
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PHP Script
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2008-07-06
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2KB
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78 lines
<?php
/**
* @version $Id: remember.php 10381 2008-06-01 03:35:53Z pasamio $
* @package Joomla
* @copyright Copyright (C) 2005 - 2008 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.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.plugin.plugin' );
/**
* Joomla! System Remember Me Plugin
*
* @author Louis Landry <louis.landry@joomla.org>
* @package Joomla
* @subpackage System
*/
class plgSystemRemember extends JPlugin
{
/**
* Constructor
*
* For php4 compatability we must not use the __constructor as a constructor for plugins
* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
* This causes problems with cross-referencing necessary for the observer design pattern.
*
* @access protected
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.0
*/
function plgSystemRemember(& $subject, $config) {
parent::__construct($subject, $config);
}
function onAfterInitialise()
{
global $mainframe;
// No remember me for admin
if ($mainframe->isAdmin()) {
return;
}
$user = &JFactory::getUser();
if (!$user->get('gid'))
{
jimport('joomla.utilities.utility');
$hash = JUtility::getHash('JLOGIN_REMEMBER');
if ($str = JRequest::getString($hash, '', 'cookie', JREQUEST_ALLOWRAW | JREQUEST_NOTRIM))
{
jimport('joomla.utilities.simplecrypt');
//Create the encryption key, apply extra hardening using the user agent string
$key = JUtility::getHash(@$_SERVER['HTTP_USER_AGENT']);
$crypt = new JSimpleCrypt($key);
$str = $crypt->decrypt($str);
$options = array();
$options['silent'] = true;
if (!$mainframe->login(@unserialize($str), $options)) {
// Clear the remember me cookie
setcookie( JUtility::getHash('JLOGIN_REMEMBER'), false, time() - 86400, '/' );
}
}
}
}
}