1: <?php
 2: 
 3: class OpenLdapUtils {
 4: 
 5:     public static function hashPassword($password, $function = 'md5') {
 6:         switch ($function) {
 7:             case 'md5':
 8:                 return '{MD5}' . base64_encode(pack('H*', md5($password)));
 9:                 
10:             default:
11:                 throw new Exception("Encode password function \"$function\" unknown");
12:         }
13:     }
14: 
15:     public static function isHashedPassword($password)  {
16:         return preg_match('/^\{\w+\}[^\s]+$/',$password) ? true : false;
17:     }
18: 
19:     public static function encodePassword($openLdapHashedPassword, $enabled) {
20:         return ($enabled ? '' : rand(1000000000,9999999999)). $openLdapHashedPassword;
21:     }
22:     
23:     public static function decodePassword($openLdapEncodedPassword) {
24:         if (preg_match('/([^\{]*)(\{.+\}.+)/', $openLdapEncodedPassword,$matches)) {
25:             return array(
26:                 'password' => $matches[2],
27:                 'enabled' => strlen($matches[1]) == 0
28:             );
29:         }
30:         else {
31:             throw new InvalidArgumentException("\"$openLdapEncodedPassword\" is not a OpenLdap encoded password");
32:         }        
33:     }
34: }