public function IpValidator::validate

Checks if the passed value is valid.

@api

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

File

drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Constraints/IpValidator.php, line 31

Class

IpValidator

Validates whether a value is a valid IP address

Namespace

Code

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,
    ));
  }
}