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     /**
  19      * @type string
  20      */
  21     public $name = 'Scripting';
  22
  23     /**
  24      * @type array
  25      */
  26     public $elements = array('script', 'noscript');
  27
  28     /**
  29      * @type array
  30      */
  31     public $content_sets = array('Block' => 'script | noscript', 'Inline' => 'script | noscript');
  32
  33     /**
  34      * @type bool
  35      */
  36     public $safe = false;
  37
  38     /**
  39      * @param HTMLPurifier_Config $config
  40      */
  41     public function setup($config)
  42     {
  43         // TODO: create custom child-definition for noscript that
  44         // auto-wraps stray #PCDATA in a similar manner to
  45         // blockquote's custom definition (we would use it but
  46         // blockquote's contents are optional while noscript's contents
  47         // are required)
  48
  49         // TODO: convert this to new syntax, main problem is getting
  50         // both content sets working
  51
  52         // In theory, this could be safe, but I don't see any reason to
  53         // allow it.
  54         $this->info['noscript'] = new HTMLPurifier_ElementDef();
  55         $this->info['noscript']->attr = array(0 => array('Common'));
  56         $this->info['noscript']->content_model = 'Heading | List | Block';
  57         $this->info['noscript']->content_model_type = 'required';
  58
  59         $this->info['script'] = new HTMLPurifier_ElementDef();
  60         $this->info['script']->attr = array(
  61             'defer' => new HTMLPurifier_AttrDef_Enum(array('defer')),
  62             'src' => new HTMLPurifier_AttrDef_URI(true),
  63             'type' => new HTMLPurifier_AttrDef_Enum(array('text/javascript'))
  64         );
  65         $this->info['script']->content_model = '#PCDATA';
  66         $this->info['script']->content_model_type = 'optional';
  67         $this->info['script']->attr_transform_pre[] =
  68         $this->info['script']->attr_transform_post[] =
  69             new HTMLPurifier_AttrTransform_ScriptRequired();
  70     }
  71 }
  72
  73 // vim: et sw=4 sts=4