* * 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; /** * Validates whether a value is a valid IP address * * @author Bernhard Schussek * @author Joseph Bielawski * * @api */ class IpValidator extends ConstraintValidator { /** * {@inheritDoc} */ public function validate($value, Constraint $constraint) { if (null === $value || '' === $value) { return; } if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) { throw new UnexpectedTypeException($value, 'string'); } $value = (string) $value; switch ($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)) { $this->context->addViolation($constraint->message, array('{{ value }}' => $value)); } } }