diff --git a/lib/Persistence/TrafficLimiter.php b/lib/Persistence/TrafficLimiter.php index ba0ac33..cbe6adf 100644 --- a/lib/Persistence/TrafficLimiter.php +++ b/lib/Persistence/TrafficLimiter.php @@ -107,6 +107,39 @@ class TrafficLimiter extends AbstractPersistence return hash_hmac($algo, $_SERVER[self::$_ipKey], ServerSalt::get()); } + /** + * Validate $_ipKey against configured ipranges. If matched ratelimiter will ignore ip + * + * @access private + * @static + * @param string $algo + * @return string + */ + private static function matchIp($ipRange = null) + { + // Match $_ipKey to $ipRange and if it matches it will return with a true + $address = \IPLib\Factory::addressFromString($_SERVER[self::$_ipKey]); + $range = \IPLib\Factory::rangeFromString(trim($ipRange)); + // If $range is null something went wrong (possible invalid ip given in config) + if ($range == null) { + return false; + } else { + // Ip-lib does throws and exception when something goes wrong, if so we want to catch it and set contained to false + try { + $contained = $address->matches($range); + } catch (\Exception $e) { + // If something is wrong with matching the ip, we set $contained to false + return false; + } + } + // Matches return true! + if ($contained === true) { + return true; + } else { + return false; + } + } + /** * traffic limiter * @@ -123,28 +156,13 @@ class TrafficLimiter extends AbstractPersistence if (self::$_limit < 1) { return true; } - + error_reporting(-1); // Check if $_ipKey is exempted from ratelimiting if (!is_null(self::$_exemptedIp)) { $exIp_array = explode(',', self::$_exemptedIp); foreach ($exIp_array as $ipRange) { - // Match $_ipKey to $ipRange and if it matches it will return with a true - $address = \IPLib\Factory::addressFromString($_SERVER[self::$_ipKey]); - $range = \IPLib\Factory::rangeFromString(trim($ipRange)); - // If $range is null something went wrong (possible invalid ip given in config) - if ($range == null) { - $contained = false; - } else { - // Ip-lib does throws and exception when something goes wrong, if so we want to catch it and set contained to false - try { - $contained = $address->matches($range); - } catch (\Exception $e) { - // If something is wrong with matching the ip, we set $contained to false - $contained = false; - } - } - // Matches return true! - if ($contained == true) { + if (self::matchIp($ipRange) === true) + { return true; } }