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\Context\ExecutionContextInterface;
  15 use Symfony\Component\Validator\Constraint;
  16 use Symfony\Component\Validator\ConstraintValidator;
  17 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  18
  19 /**
  20  * Validates whether a value is a valid IP address.
  21  *
  22  * @author Bernhard Schussek <bschussek@gmail.com>
  23  * @author Joseph Bielawski <stloyd@gmail.com>
  24  */
  25 class IpValidator extends ConstraintValidator
  26 {
  27     /**
  28      * {@inheritdoc}
  29      */
  30     public function validate($value, Constraint $constraint)
  31     {
  32         if (!$constraint instanceof Ip) {
  33             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Ip');
  34         }
  35
  36         if (null === $value || '' === $value) {
  37             return;
  38         }
  39
  40         if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
  41             throw new UnexpectedTypeException($value, 'string');
  42         }
  43
  44         $value = (string) $value;
  45
  46         switch ($constraint->version) {
  47             case Ip::V4:
  48                $flag = FILTER_FLAG_IPV4;
  49                break;
  50
  51             case Ip::V6:
  52                $flag = FILTER_FLAG_IPV6;
  53                break;
  54
  55             case Ip::V4_NO_PRIV:
  56                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE;
  57                break;
  58
  59             case Ip::V6_NO_PRIV:
  60                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE;
  61                break;
  62
  63             case Ip::ALL_NO_PRIV:
  64                $flag = FILTER_FLAG_NO_PRIV_RANGE;
  65                break;
  66
  67             case Ip::V4_NO_RES:
  68                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_RES_RANGE;
  69                break;
  70
  71             case Ip::V6_NO_RES:
  72                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE;
  73                break;
  74
  75             case Ip::ALL_NO_RES:
  76                $flag = FILTER_FLAG_NO_RES_RANGE;
  77                break;
  78
  79             case Ip::V4_ONLY_PUBLIC:
  80                $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  81                break;
  82
  83             case Ip::V6_ONLY_PUBLIC:
  84                $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  85                break;
  86
  87             case Ip::ALL_ONLY_PUBLIC:
  88                $flag = FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
  89                break;
  90
  91             default:
  92                 $flag = null;
  93                 break;
  94         }
  95
  96         if (!filter_var($value, FILTER_VALIDATE_IP, $flag)) {
  97             if ($this->context instanceof ExecutionContextInterface) {
  98                 $this->context->buildViolation($constraint->message)
  99                     ->setParameter('{{ value }}', $this->formatValue($value))
 100                     ->setCode(Ip::INVALID_IP_ERROR)
 101                     ->addViolation();
 102             } else {
 103                 $this->buildViolation($constraint->message)
 104                     ->setParameter('{{ value }}', $this->formatValue($value))
 105                     ->setCode(Ip::INVALID_IP_ERROR)
 106                     ->addViolation();
 107             }
 108         }
 109     }
 110 }