File indexing completed on 2024-05-12 06:02:06

 <?php
 
 class HTMLPurifier_URIFilter_DisableExternal extends HTMLPurifier_URIFilter
 {
     /**
      * @type string
      */
     public $name = 'DisableExternal';
 
     /**
      * @type array
      */
     protected $ourHostParts = false;
 
     /**
      * @param HTMLPurifier_Config $config
      * @return void
      */
     public function prepare($config)
     {
         $our_host = $config->getDefinition('URI')->host;
         if ($our_host !== null) {
             $this->ourHostParts = array_reverse(explode('.', $our_host));
         }
     }
 
     /**
      * @param HTMLPurifier_URI $uri Reference
      * @param HTMLPurifier_Config $config
      * @param HTMLPurifier_Context $context
      * @return bool
      */
     public function filter(&$uri, $config, $context)
     {
         if (is_null($uri->host)) {
             return true;
         }
         if ($this->ourHostParts === false) {
             return false;
         }
         $host_parts = array_reverse(explode('.', $uri->host));
         foreach ($this->ourHostParts as $i => $x) {
             if (!isset($host_parts[$i])) {
                 return false;
             }
             if ($host_parts[$i] != $this->ourHostParts[$i]) {
                 return false;
             }
         }
         return true;
     }
 }
 
 // vim: et sw=4 sts=4