doxygen/html/HostBlacklist_8php_source.html

00001 <?php
00002
00003 // It's not clear to me whether or not Punycode means that hostnames
00004 // do not have canonical forms anymore. As far as I can tell, it's
00005 // not a problem (punycoding should be identity when no Unicode
00006 // points are involved), but I'm not 100% sure
00007 class HTMLPurifier_URIFilter_HostBlacklist extends HTMLPurifier_URIFilter
00008 {
00009     public $name = 'HostBlacklist';
00010     protected $blacklist = array();
00011     public function prepare($config) {
00012         $this->blacklist = $config->get('URI.HostBlacklist');
00013         return true;
00014     }
00015     public function filter(&$uri, $config, $context) {
00016         foreach($this->blacklist as $blacklisted_host_fragment) {
00017             if (strpos($uri->host, $blacklisted_host_fragment) !== false) {
00018                 return false;
00019             }
00020         }
00021         return true;
00022     }
00023 }
00024
00025 // vim: et sw=4 sts=4