. */ namespace SP\Http; use SP\Core\Exceptions\InvalidArgumentException; /** * Class Address * * @package SP\Http */ final class Address { const PATTERN_IP_ADDRESS = '#^(?

[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3})(?:/(?:(?[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3})|(?[\d]{1,2})))?$#'; /** * @param $address * * @return mixed * @throws InvalidArgumentException */ public static function toBinary(string $address) { if (!filter_var($address, FILTER_VALIDATE_IP) || ($binAddress = @inet_pton($address)) === false ) { logger(sprintf('%s : %s', __('Invalid IP'), $address)); throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); } return $binAddress; } /** * @param string $address * * @return string * @throws InvalidArgumentException */ public static function fromBinary(string $address): string { $stringAddress = @inet_ntop($address); if ($stringAddress === false) { logger(sprintf('%s : %s', __('Invalid IP'), $address)); throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); } return $stringAddress; } /** * Parses an IPv4 address from either "192.168.0.1", "192.168.0.0/255.255.255.0" or "192.168.0.0/24" formats * * @param string $address * * @return array * @throws InvalidArgumentException */ public static function parse4(string $address): array { if (preg_match(self::PATTERN_IP_ADDRESS, $address, $matches)) { return $matches; } throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); } /** * Checks whether an IP address is included within $inAddress and $inMask * * @param string $address * @param string $inAddress * @param string $inMask * * @return int * @throws InvalidArgumentException */ public static function check(string $address, string $inAddress, string $inMask) { if (!filter_var($address, FILTER_VALIDATE_IP) || !filter_var($inAddress, FILTER_VALIDATE_IP) || !filter_var($inMask, FILTER_VALIDATE_IP) ) { throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); } // Obtains subnets based on mask ie.: subnet === subnet return (ip2long($address) & ip2long($inMask)) === (ip2long($inAddress) & ip2long($inMask)); } /** * Converts a CIDR mask into decimal * * @param int $bits * * @return string */ public static function cidrToDec(int $bits): string { return long2ip(-1 << (32 - $bits)); } }