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   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['type'] =
  49          $this->info['script']->attr_transform_post['type'] =
  50              new HTMLPurifier_AttrTransform_ScriptRequired();
  51      }
  52  }
  53  
  54  // vim: et sw=4 sts=4