library/HTMLPurifier/HTMLModule/Scripting.php

   1 <?php
   2
   3 /*
   4
   5 WARNING: THIS MODULE IS EXTREMELY DANGEROUS AS IT ENABLES INLINE SCRIPTING
   6 INSIDE HTML PURIFIER DOCUMENTS. USE ONLY WITH TRUSTED USER INPUT!!!
   7
   8 */
   9
  10 /**
  11  * XHTML 1.1 Scripting module, defines elements that are used to contain
  12  * information pertaining to executable scripts or the lack of support
  13  * for executable scripts.
  14  * @note This module does not contain inline scripting elements
  15  */
  16 class HTMLPurifier_HTMLModule_Scripting extends HTMLPurifier_HTMLModule
  17 {
  18     public $name = 'Scripting';
  19     public $elements = array('script', 'noscript');
  20     public $content_sets = array('Block' => 'script | noscript', 'Inline' => 'script | noscript');
  21     public $safe = false;
  22
  23     public function setup($config) {
  24         // TODO: create custom child-definition for noscript that
  25         // auto-wraps stray #PCDATA in a similar manner to
  26         // blockquote's custom definition (we would use it but
  27         // blockquote's contents are optional while noscript's contents
  28         // are required)
  29
  30         // TODO: convert this to new syntax, main problem is getting
  31         // both content sets working
  32
  33         // In theory, this could be safe, but I don't see any reason to
  34         // allow it.
  35         $this->info['noscript'] = new HTMLPurifier_ElementDef();
  36         $this->info['noscript']->attr = array( 0 => array('Common') );
  37         $this->info['noscript']->content_model = 'Heading | List | Block';
  38         $this->info['noscript']->content_model_type = 'required';
  39
  40         $this->info['script'] = new HTMLPurifier_ElementDef();
  41         $this->info['script']->attr = array(
  42             'defer' => new HTMLPurifier_AttrDef_Enum(array('defer')),
  43             'src'   => new HTMLPurifier_AttrDef_URI(true),
  44             'type'  => new HTMLPurifier_AttrDef_Enum(array('text/javascript'))
  45         );
  46         $this->info['script']->content_model = '#PCDATA';
  47         $this->info['script']->content_model_type = 'optional';
  48         $this->info['script']->attr_transform_pre[] =
  49         $this->info['script']->attr_transform_post[] =
  50             new HTMLPurifier_AttrTransform_ScriptRequired();
  51     }
  52 }
  53
  54 // vim: et sw=4 sts=4