. */ namespace SP\Domain\Http\Adapters; use SP\Domain\Core\Exceptions\InvalidArgumentException; use SP\Domain\Core\Exceptions\SPException; use function SP\__; use function SP\__u; use function SP\logger; /** * Class Address */ final class Address { public 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})))?$#'; /** * @throws InvalidArgumentException */ public static function toBinary(string $address): string { if (!filter_var($address, FILTER_VALIDATE_IP) || ($binAddress = @inet_pton($address)) === false ) { logger(sprintf('%s : %s', __('Invalid IP'), $address)); throw new InvalidArgumentException(__u('Invalid IP'), SPException::ERROR, $address); } return $binAddress; } /** * @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'), SPException::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 * * @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'), SPException::ERROR, $address); } /** * Checks whether an IP address is included within $inAddress and $inMask * * @throws InvalidArgumentException */ public static function check( string $address, string $inAddress, string $inMask ): bool { if (!filter_var($address, FILTER_VALIDATE_IP) || !filter_var($inAddress, FILTER_VALIDATE_IP) || !filter_var($inMask, FILTER_VALIDATE_IP) ) { throw new InvalidArgumentException(__u('Invalid IP'), SPException::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 */ public static function cidrToDec(int $bits): string { return long2ip(-1 << (32 - $bits)); } }