lib/htmlpurifier/HTMLPurifier/Strategy/ValidateAttributes.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/Strategy.php';
   4 require_once 'HTMLPurifier/HTMLDefinition.php';
   5 require_once 'HTMLPurifier/IDAccumulator.php';
   6
   7 require_once 'HTMLPurifier/AttrValidator.php';
   8
   9 /**
  10  * Validate all attributes in the tokens.
  11  */
  12
  13 class HTMLPurifier_Strategy_ValidateAttributes extends HTMLPurifier_Strategy
  14 {
  15
  16     function execute($tokens, $config, &$context) {
  17
  18         // setup validator
  19         $validator = new HTMLPurifier_AttrValidator();
  20
  21         $token = false;
  22         $context->register('CurrentToken', $token);
  23
  24         foreach ($tokens as $key => $token) {
  25
  26             // only process tokens that have attributes,
  27             //   namely start and empty tags
  28             if ($token->type !== 'start' && $token->type !== 'empty') continue;
  29
  30             // skip tokens that are armored
  31             if (!empty($token->armor['ValidateAttributes'])) continue;
  32
  33             // note that we have no facilities here for removing tokens
  34             $validator->validateToken($token, $config, $context);
  35
  36             $tokens[$key] = $token; // for PHP 4
  37         }
  38         $context->destroy('CurrentToken');
  39
  40         return $tokens;
  41     }
  42
  43 }
  44