118 lines
3.0 KiB
PHP
118 lines
3.0 KiB
PHP
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<?php
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/**
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* @version $Id: cache.php 14401 2010-01-26 14:10:00Z louis $
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* @package Joomla
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* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
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* @license GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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// no direct access
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defined( '_JEXEC' ) or die( 'Restricted access' );
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jimport( 'joomla.plugin.plugin' );
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/**
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* Joomla! Page Cache Plugin
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*
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* @package Joomla
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* @subpackage System
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*/
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class plgSystemCache extends JPlugin
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{
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var $_cache = null;
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/**
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* Constructor
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*
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* For php4 compatability we must not use the __constructor as a constructor for plugins
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* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
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* This causes problems with cross-referencing necessary for the observer design pattern.
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*
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* @access protected
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* @param object $subject The object to observe
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* @param array $config An array that holds the plugin configuration
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* @since 1.0
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*/
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function plgSystemCache(& $subject, $config)
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{
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parent::__construct($subject, $config);
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//Set the language in the class
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$config =& JFactory::getConfig();
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$options = array(
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'cachebase' => JPATH_BASE.DS.'cache',
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'defaultgroup' => 'page',
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'lifetime' => $this->params->get('cachetime', 15) * 60,
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'browsercache' => $this->params->get('browsercache', false),
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'caching' => false,
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'language' => $config->getValue('config.language', 'en-GB')
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);
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jimport('joomla.cache.cache');
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$this->_cache =& JCache::getInstance( 'page', $options );
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}
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/**
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* Converting the site URL to fit to the HTTP request
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*
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*/
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function onAfterInitialise()
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{
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global $mainframe, $_PROFILER;
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$user = &JFactory::getUser();
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if($mainframe->isAdmin() || JDEBUG) {
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return;
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}
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if (!$user->get('aid') && $_SERVER['REQUEST_METHOD'] == 'GET') {
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$this->_cache->setCaching(true);
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}
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$data = $this->_cache->get();
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if($data !== false)
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{
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// the following code searches for a token in the cached page and replaces it with the
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// proper token.
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$token = JUtility::getToken();
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$search = '#<input type="hidden" name="[0-9a-f]{32}" value="1" />#';
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$replacement = '<input type="hidden" name="'.$token.'" value="1" />';
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$data = preg_replace( $search, $replacement, $data );
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JResponse::setBody($data);
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echo JResponse::toString($mainframe->getCfg('gzip'));
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if(JDEBUG)
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{
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$_PROFILER->mark('afterCache');
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echo implode( '', $_PROFILER->getBuffer());
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}
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$mainframe->close();
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}
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}
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function onAfterRender()
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{
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global $mainframe;
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if($mainframe->isAdmin() || JDEBUG) {
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return;
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}
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$user =& JFactory::getUser();
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if(!$user->get('aid')) {
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//We need to check again here, because auto-login plugins have not been fired before the first aid check
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$this->_cache->store();
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}
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}
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}
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