* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Validator\Constraints; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\UnexpectedTypeException; use Symfony\Component\Validator\Exception\UnexpectedValueException; /** * Validates whether a value is a valid IP address. * * @author Bernhard Schussek * @author Joseph Bielawski */ class IpValidator extends ConstraintValidator { /** * {@inheritdoc} */ public function validate($value, Constraint $constraint) { if (!$constraint instanceof Ip) { throw new UnexpectedTypeException($constraint, Ip::class); } if (null === $value || '' === $value) { return; } if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) { throw new UnexpectedValueException($value, 'string'); } $value = (string) $value; if (null !== $constraint->normalizer) { $value = ($constraint->normalizer)($value); } switch ($constraint->version) { case Ip::V4: $flag = \FILTER_FLAG_IPV4; break; case Ip::V6: $flag = \FILTER_FLAG_IPV6; break; case Ip::V4_NO_PRIV: $flag = \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_PRIV_RANGE; break; case Ip::V6_NO_PRIV: $flag = \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_PRIV_RANGE; break; case Ip::ALL_NO_PRIV: $flag = \FILTER_FLAG_NO_PRIV_RANGE; break; case Ip::V4_NO_RES: $flag = \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_RES_RANGE; break; case Ip::V6_NO_RES: $flag = \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_RES_RANGE; break; case Ip::ALL_NO_RES: $flag = \FILTER_FLAG_NO_RES_RANGE; break; case Ip::V4_ONLY_PUBLIC: $flag = \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE; break; case Ip::V6_ONLY_PUBLIC: $flag = \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE; break; case Ip::ALL_ONLY_PUBLIC: $flag = \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE; break; default: $flag = null; break; } if (!filter_var($value, \FILTER_VALIDATE_IP, $flag)) { $this->context->buildViolation($constraint->message) ->setParameter('{{ value }}', $this->formatValue($value)) ->setCode(Ip::INVALID_IP_ERROR) ->addViolation(); } } }