File xoops_lib\modules\protector\library\HTMLPurifier\URIFilter\HostBlacklist.php

1:	<?php
2:
3:	// It's not clear to me whether or not Punycode means that hostnames
4:	// do not have canonical forms anymore. As far as I can tell, it's
5:	// not a problem (punycoding should be identity when no Unicode
6:	// points are involved), but I'm not 100% sure
7:	class HTMLPurifier_URIFilter_HostBlacklist extends HTMLPurifier_URIFilter
8:	{
9:	/**
10:	* @type string
11:	*/
12:	public $name = 'HostBlacklist';
13:
14:	/**
15:	* @type array
16:	*/
17:	protected $blacklist = array();
18:
19:	/**
20:	* @param HTMLPurifier_Config $config
21:	* @return bool
22:	*/
23:	public function prepare($config)
24:	{
25:	$this->blacklist = $config->get('URI.HostBlacklist');
26:	return true;
27:	}
28:
29:	/**
30:	* @param HTMLPurifier_URI $uri
31:	* @param HTMLPurifier_Config $config
32:	* @param HTMLPurifier_Context $context
33:	* @return bool
34:	*/
35:	public function filter(&$uri, $config, $context)
36:	{
37:	foreach ($this->blacklist as $blacklisted_host_fragment) {
38:	if ($uri->host !== null && strpos($uri->host, $blacklisted_host_fragment) !== false) {
39:	return false;
40:	}
41:	}
42:	return true;
43:	}
44:	}
45:
46:	// vim: et sw=4 sts=4
47: