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113 lines
3.7 KiB
113 lines
3.7 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/**
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* @file
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* Customised version of HTMLPurifier.func.php for easy use in Tiki
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* This overrides the HTMLPurifier() function in HTMLPurifier.func.php
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*
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* Defines a function wrapper for HTML Purifier for quick use.
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* @note ''HTMLPurifier()'' is NOT the same as ''new HTMLPurifier()''
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*/
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/**
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* Purify HTML.
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* @param $html String HTML to purify
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* @param $config Configuration to use, can be any value accepted by
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* HTMLPurifier_Config::create()
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*/
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/**
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* @param $html
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* @param null $config
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* @return mixed
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*/
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function HTMLPurifier($html, $config = null)
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{
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static $purifier = false;
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if (! $purifier || ! $config) {
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if (! $config) { // mod for tiki temp files location
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$config = getHTMLPurifierTikiConfig();
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}
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$purifier = new HTMLPurifier();
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}
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return $purifier->purify($html, $config);
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}
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/**
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* @return mixed
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*/
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function getHTMLPurifierTikiConfig()
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{
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global $tikipath, $prefs;
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$directory = $tikipath . 'temp/cache/HTMLPurifierCache';
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if (! is_dir($directory)) {
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if (! mkdir($directory)) {
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$directory = $tikipath . 'temp/cache';
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} else {
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chmod(
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$directory,
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(int)$prefs['smarty_cache_perms'] | 0111 // Add search/execute permission for all ("chmod a+x"). "--x--x--x" is 0111 (octal).
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);
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}
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}
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$conf = HTMLPurifier_Config::createDefault();
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$conf->set('Cache.SerializerPath', $directory);
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if ($prefs['feature_wysiwyg'] == 'y' || $prefs['popupLinks'] == 'y') {
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$conf->set('HTML.DefinitionID', 'allow target');
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$conf->set('HTML.DefinitionRev', 1);
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$conf->set('Attr.EnableID', 1);
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$conf->set('HTML.Doctype', 'XHTML 1.0 Transitional');
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$conf->set('HTML.TidyLevel', 'light');
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if ($def = $conf->maybeGetRawHTMLDefinition()) {
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$def->addAttribute('a', 'target', 'Enum#_blank,_self,_target,_top');
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$def->addAttribute('a', 'name', 'CDATA');
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// Add usemap attribute to img tag
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$def->addAttribute('img', 'usemap', 'CDATA');
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// rel attribute for anchors
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$def->addAttribute('a', 'rel', 'CDATA');
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// Add map tag
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$map = $def->addElement(
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'map', // name
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'Block', // content set
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'Flow', // allowed children
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'Common', // attribute collection
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[ // attributes
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'name' => 'CDATA',
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'id' => 'ID',
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'title' => 'CDATA',
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]
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);
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$map->excludes = ['map' => true];
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// Add area tag
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$area = $def->addElement(
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'area', // name
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'Block', // content set
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'Empty', // don't allow children
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'Common', // attribute collection
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[ // attributes
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'name' => 'CDATA',
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'id' => 'ID',
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'alt' => 'Text',
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'coords' => 'CDATA',
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'accesskey' => 'Character',
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'nohref' => new HTMLPurifier_AttrDef_Enum(['nohref']),
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'href' => 'URI',
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'shape' => new HTMLPurifier_AttrDef_Enum(['rect','circle','poly','default']),
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'tabindex' => 'Number',
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'target' => new HTMLPurifier_AttrDef_Enum(['_blank','_self','_target','_top'])
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]
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);
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$area->excludes = ['area' => true];
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}
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}
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return $conf;
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}
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