mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-12-23 08:51:53 +00:00
41 lines
1.2 KiB
PHP
41 lines
1.2 KiB
PHP
|
<?php
|
||
|
|
||
|
require_once 'HTMLPurifier/AttrDef.php';
|
||
|
require_once 'HTMLPurifier/AttrDef/IPv4.php';
|
||
|
require_once 'HTMLPurifier/AttrDef/IPv6.php';
|
||
|
|
||
|
class HTMLPurifier_AttrDef_Host extends HTMLPurifier_AttrDef
|
||
|
{
|
||
|
|
||
|
var $ipv4, $ipv6;
|
||
|
|
||
|
function HTMLPurifier_AttrDef_Host() {
|
||
|
$this->ipv4 = new HTMLPurifier_AttrDef_IPv4();
|
||
|
$this->ipv6 = new HTMLPurifier_AttrDef_IPv6();
|
||
|
}
|
||
|
|
||
|
function validate($string, $config, &$context) {
|
||
|
$length = strlen($string);
|
||
|
if ($string === '') return '';
|
||
|
if ($length > 1 && $string[0] === '[' && $string[$length-1] === ']') {
|
||
|
//IPv6
|
||
|
$ip = substr($string, 1, $length - 2);
|
||
|
$valid = $this->ipv6->validate($ip, $config, $context);
|
||
|
if ($valid === false) return false;
|
||
|
return '['. $valid . ']';
|
||
|
}
|
||
|
$ipv4 = $this->ipv4->validate($string, $config, $context);
|
||
|
if ($ipv4 !== false) return $ipv4;
|
||
|
|
||
|
// validate a domain name here, do filtering, etc etc etc
|
||
|
|
||
|
// We could use this, but it would break I18N domain names
|
||
|
//$match = preg_match('/^[a-z0-9][\w\-\.]*[a-z0-9]$/i', $string);
|
||
|
//if (!$match) return false;
|
||
|
|
||
|
return $string;
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
?>
|