david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
125 lines
4.5 KiB
PHP
125 lines
4.5 KiB
PHP
<?php
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/**
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* @version $Id: sef.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! SEF 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 plgSystemSef extends JPlugin
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{
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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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* @param object $subject The object to observe
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* @param array $config An array that holds the plugin configuration
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* @since 1.0
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*/
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function plgSystemSef(&$subject, $config) {
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parent::__construct($subject, $config);
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}
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/**
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* Converting the site URL to fit to the HTTP request
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*/
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function onAfterRender()
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{
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$app =& JFactory::getApplication();
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if($app->getName() != 'site') {
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return true;
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}
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//Replace src links
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$base = JURI::base(true).'/';
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$buffer = JResponse::getBody();
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// pull out contents of editor to prevent URL changes inside edit area
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$editor =& JFactory::getEditor();
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$regex = '#'.$editor->_tagForSEF['start'].'(.*)'.$editor->_tagForSEF['end'].'#Us';
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preg_match_all($regex, $buffer, $editContents, PREG_PATTERN_ORDER);
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// create an array to hold the placeholder text (in case there are more than one editor areas)
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$placeholders = array();
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for ($i = 0; $i < count($editContents[0]); $i++) {
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$placeholders[] = $editor->_tagForSEF['start'].$i.$editor->_tagForSEF['end'];
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}
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// replace editor contents with placeholder text
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$buffer = str_replace($editContents[0], $placeholders, $buffer);
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// do the SEF substitutions
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$regex = '#href="index.php\?([^"]*)#m';
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$buffer = preg_replace_callback( $regex, array('plgSystemSEF', 'route'), $buffer );
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$protocols = '[a-zA-Z0-9]+:'; //To check for all unknown protocals (a protocol must contain at least one alpahnumeric fillowed by :
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$regex = '#(src|href)="(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
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$buffer = preg_replace($regex, "$1=\"$base\$2\"", $buffer);
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$regex = '#(onclick="window.open\(\')(?!/|'.$protocols.'|\#)([^/]+[^\']*?\')#m';
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$buffer = preg_replace($regex, '$1'.$base.'$2', $buffer);
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// ONMOUSEOVER / ONMOUSEOUT
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$regex = '#(onmouseover|onmouseout)="this.src=([\']+)(?!/|'.$protocols.'|\#|\')([^"]+)"#m';
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$buffer = preg_replace($regex, '$1="this.src=$2'. $base .'$3$4"', $buffer);
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// Background image
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$regex = '#style\s*=\s*[\'\"](.*):\s*url\s*\([\'\"]?(?!/|'.$protocols.'|\#)([^\)\'\"]+)[\'\"]?\)#m';
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$buffer = preg_replace($regex, 'style="$1: url(\''. $base .'$2$3\')', $buffer);
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// OBJECT <param name="xx", value="yy"> -- fix it only inside the <param> tag
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$regex = '#(<param\s+)name\s*=\s*"(movie|src|url)"[^>]\s*value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
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$buffer = preg_replace($regex, '$1name="$2" value="' . $base . '$3"', $buffer);
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// OBJECT <param value="xx", name="yy"> -- fix it only inside the <param> tag
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$regex = '#(<param\s+[^>]*)value\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"\s*name\s*=\s*"(movie|src|url)"#m';
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$buffer = preg_replace($regex, '<param value="'. $base .'$2" name="$3"', $buffer);
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// OBJECT data="xx" attribute -- fix it only in the object tag
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$regex = '#(<object\s+[^>]*)data\s*=\s*"(?!/|'.$protocols.'|\#|\')([^"]*)"#m';
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$buffer = preg_replace($regex, '$1data="' . $base . '$2"$3', $buffer);
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// restore the editor contents
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$buffer = str_replace($placeholders, $editContents[0], $buffer);
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JResponse::setBody($buffer);
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return true;
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}
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/**
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* Replaces the matched tags
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*
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* @param array An array of matches (see preg_match_all)
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* @return string
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*/
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function route( &$matches )
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{
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$original = $matches[0];
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$url = $matches[1];
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$url = str_replace('&','&',$url);
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$route = JRoute::_('index.php?'.$url);
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return 'href="'.$route;
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}
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}
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