Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

file 108 lines (87 sloc) 3.01 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
<?php

/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* 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 <bernhard.schussek@symfony.com>
* @author Joseph Bielawski <stloyd@gmail.com>
*
* @api
*/
class IpValidator extends ConstraintValidator
{
    /**
* Checks if the passed value is valid.
*
* @param mixed $value The value that should be validated
* @param Constraint $constraint The constraint for the validation
*
* @return Boolean Whether or not the value is valid
*
* @api
*/
    public function isValid($value, Constraint $constraint)
    {
        if (null === $value || '' === $value) {
            return true;
        }

        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)) {
            $this->setMessage($constraint->message, array('{{ value }}' => $value));

            return false;
        }

        return true;
    }
}
Something went wrong with that request. Please try again.