www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/validator/Constraints/IpValidator.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Validator\Constraints;
  13
  14 use Symfony\Component\Validator\Constraint;
  15 use Symfony\Component\Validator\ConstraintValidator;
  16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  17
  18 /**
  19  * Validates whether a value is a valid IP address.
  20  *
  21  * @author Bernhard Schussek <bschussek@gmail.com>
  22  * @author Joseph Bielawski <stloyd@gmail.com>
  23  */
  24 class IpValidator extends ConstraintValidator
  25 {
  26     /**
  27      * {@inheritdoc}
  28      */
  29     public function validate($value, Constraint $constraint)
  30     {
  31         if (!$constraint instanceof Ip) {
  32             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Ip');
  33         }
  34
  35         if (null === $value || '' === $value) {
  36             return;
  37         }
  38
  39         if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
  40             throw new UnexpectedTypeException($value, 'string');
  41         }
  42
  43         $value = (string) $value;
  44
  45         switch ($constraint->version) {
  46             case Ip::V4:
  47                $flag = FILTER_FLAG_IPV4;
  48                break;
  49
  50             case Ip::V6:
  51                $flag = FILTER_FLAG_IPV6;
  52                break;
  53
  54             case Ip::V4_NO_PRIV:
  55                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE;
  56                break;
  57
  58             case Ip::V6_NO_PRIV:
  59                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE;
  60                break;
  61
  62             case Ip::ALL_NO_PRIV:
  63                $flag = FILTER_FLAG_NO_PRIV_RANGE;
  64                break;
  65
  66             case Ip::V4_NO_RES:
  67                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_RES_RANGE;
  68                break;
  69
  70             case Ip::V6_NO_RES:
  71                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE;
  72                break;
  73
  74             case Ip::ALL_NO_RES:
  75                $flag = FILTER_FLAG_NO_RES_RANGE;
  76                break;
  77
  78             case Ip::V4_ONLY_PUBLIC:
  79                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  80                break;
  81
  82             case Ip::V6_ONLY_PUBLIC:
  83                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  84                break;
  85
  86             case Ip::ALL_ONLY_PUBLIC:
  87                $flag = FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  88                break;
  89
  90             default:
  91                 $flag = null;
  92                 break;
  93         }
  94
  95         if (!filter_var($value, FILTER_VALIDATE_IP, $flag)) {
  96             $this->context->buildViolation($constraint->message)
  97                 ->setParameter('{{ value }}', $this->formatValue($value))
  98                 ->setCode(Ip::INVALID_IP_ERROR)
  99                 ->addViolation();
 100         }
 101     }
 102 }