00001 <?php
00002
00003 class HTMLPurifier_URIFilter_HostBlacklist extends HTMLPurifier_URIFilter
00004 {
00005 public $name = 'HostBlacklist';
00006 protected $blacklist = array();
00007 public function prepare($config) {
00008 $this->blacklist = $config->get('URI.HostBlacklist');
00009 return true;
00010 }
00011 public function filter(&$uri, $config, $context) {
00012 foreach($this->blacklist as $blacklisted_host_fragment) {
00013 if (strpos($uri->host, $blacklisted_host_fragment) !== false) {
00014 return false;
00015 }
00016 }
00017 return true;
00018 }
00019 }
00020
00021
