<?php
/**
* @version $Id: sef.php 11658 2009-03-08 20:09:39Z willebil $
* @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! SEF Plugin
*
* @package Joomla
* @subpackage System
*/
class plgSystemSef 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.
*
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.0
*/
function plgSystemSef(&$subject, $config) {
parent::__construct($subject, $config);
}
/**
* Converting the site URL to fit to the HTTP request
*/
function onAfterRender()
{
$app =& JFactory::getApplication();
if($app->getName() != 'site') {
return true;
}
//Replace src links
$base = JURI::base(true).'/';
$buffer = JResponse::getBody();
$regex = '#href="index.php\?([^"]*)#m';
$buffer = preg_replace_callback( $regex, array('plgSystemSEF', 'route'), $buffer );
$protocols = '[a-zA-Z0-9]+:'; //To check for all unknown protocals (a protocol must contain at least one alpahnumeric fillowed by :
$regex = '#(src|href)="(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, "$1=\"$base\$2\"", $buffer);
$regex = '#(onclick="window.open\(\')(?!/|'.$protocols.'|\#)([^/]+[^\']*?\')#m';
$buffer = preg_replace($regex, '$1'.$base.'$2', $buffer);
// ONMOUSEOVER / ONMOUSEOUT
$regex = '#(onmouseover|onmouseout)="this.src=([\']+)(?!/|'.$protocols.'|\#|\')([^"]+)"#m';
$buffer = preg_replace($regex, '$1="this.src=$2'. $base .'$3$4"', $buffer);
// Background image
$regex = '#style\s*=\s*[\'\"](.*):\s*url\s*\([\'\"]?(?!/|'.$protocols.'|\#)([^\)\'\"]+)[\'\"]?\)#m';
$buffer = preg_replace($regex, 'style="$1: url(\''. $base .'$2$3\')', $buffer);
// OBJECT <param name="xx", value="yy"> -- fix it only inside the <param> tag
$regex = '#(<param\s+)name\s*=\s*"(movie|src|url)"[^>]\s*value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, '$1name="$2" value="' . $base . '$3"', $buffer);
// OBJECT <param value="xx", name="yy"> -- fix it only inside the <param> tag
$regex = '#(<param\s+[^>]*)value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"\s*name\s*=\s*"(movie|src|url)"#m';
$buffer = preg_replace($regex, '<param value="'. $base .'$2" name="$3"', $buffer);
// OBJECT data="xx" attribute -- fix it only in the object tag
$regex = '#(<object\s+[^>]*)data\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
$buffer = preg_replace($regex, '$1data="' . $base . '$2"$3', $buffer);
JResponse::setBody($buffer);
return true;
}
/**
* Replaces the matched tags
*
* @param array An array of matches (see preg_match_all)
* @return string
*/
function route( &$matches )
{
$original = $matches[0];
$url = $matches[1];
$url = str_replace('&','&',$url);
$route = JRoute::_('index.php?'.$url);
return 'href="'.$route;
}
}