/**
* @param string $encoded_str
* @return ks
*/
public static function fromSecureString($encoded_str)
{
if (empty($encoded_str)) {
return null;
}
$str = base64_decode($encoded_str, true);
// encode this string
$ks = new ks();
$real_str = $str;
@(list($hash, $real_str) = @explode("|", $str, 2));
// echo "[$str]<br>[$hash]<br>[$real_str]<br>[" . self::hash ( $real_str ) . "]<br>";
$ks->original_str = $encoded_str;
$parts = explode(self::SEPARATOR, $real_str);
list($ks->partner_id, $ks->partner_pattern, $ks->valid_until, $ks->type, $ks->rand, ) = $parts;
if (isset($parts[5])) {
$ks->user = $parts[5];
}
if (isset($parts[6])) {
$ks->privileges = $parts[6];
}
if (isset($parts[7])) {
$ks->master_partner_id = $parts[7];
}
if (isset($parts[8])) {
$ks->additional_data = $parts[8];
}
$salt = $ks->getSalt();
if (self::hash($salt, $real_str) != $hash) {
throw new Exception(self::getErrorStr(self::INVALID_STR));
//$ks->valid_string = false;
//return $ks;
}
$ks->valid_string = true;
return $ks;
}