mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-11-10 15:48:42 +00:00
522c8ed7c2
- Add FSTools:globr() - require_once removed from all files - HTMLPurifier.autoload.php added to register autoload handler - Removed redundant chdir in maintenance script - Modified standalone to use HTMLPurifier.includes.php for including stuff - Added maintenance script remove-require-once.php which we used once and should never use again git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1516 48356398-32a2-884e-a903-53898d9a118a
50 lines
1.4 KiB
PHP
50 lines
1.4 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Validates a host according to the IPv4, IPv6 and DNS (future) specifications.
|
|
*/
|
|
class HTMLPurifier_AttrDef_URI_Host extends HTMLPurifier_AttrDef
|
|
{
|
|
|
|
/**
|
|
* Instance of HTMLPurifier_AttrDef_URI_IPv4 sub-validator
|
|
*/
|
|
protected $ipv4;
|
|
|
|
/**
|
|
* Instance of HTMLPurifier_AttrDef_URI_IPv6 sub-validator
|
|
*/
|
|
protected $ipv6;
|
|
|
|
public function __construct() {
|
|
$this->ipv4 = new HTMLPurifier_AttrDef_URI_IPv4();
|
|
$this->ipv6 = new HTMLPurifier_AttrDef_URI_IPv6();
|
|
}
|
|
|
|
public function validate($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 . ']';
|
|
}
|
|
|
|
// need to do checks on unusual encodings too
|
|
$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;
|
|
}
|
|
|
|
}
|
|
|