IpValidator.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/IpValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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 <[e-mail]>
 * @author Joseph Bielawski <[e-mail]>
 *
 * @api
 */
class IpValidator extends ConstraintValidator {

  /**
   * {@inheritdoc}
   */
  public function validate($value, Constraint $constraint) {
    if (!$constraint instanceof Ip) {
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\Ip');
    }
    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)) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->addViolation();
    }
  }

}

Classes

Name	Description
IpValidator	Validates whether a value is a valid IP address.