www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/validator/Constraints/UrlValidator.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  * @author Bernhard Schussek <bschussek@gmail.com>
  21  */
  22 class UrlValidator extends ConstraintValidator
  23 {
  24     const PATTERN = '~^
  25             (%s)://                                 # protocol
  26             (([\pL\pN-]+:)?([\pL\pN-]+)@)?          # basic auth
  27             (
  28                 ([\pL\pN\pS-\.])+(\.?([\pL\pN]|xn\-\-[\pL\pN-]+)+\.?) # a domain name
  29                     |                                                 # or
  30                 \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}                    # an IP address
  31                     |                                                 # or
  32                 \[
  33                     (?:(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-f]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,1}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,2}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,3}(?:(?:[0-9a-f]{1,4})))?::(?:(?:[0-9a-f]{1,4})):)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,4}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,5}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,6}(?:(?:[0-9a-f]{1,4})))?::))))
  34                 \]  # an IPv6 address
  35             )
  36             (:[0-9]+)?                              # a port (optional)
  37             (?:/ (?:[\pL\pN\-._\~!$&\'()*+,;=:@]|%%[0-9A-Fa-f]{2})* )*      # a path
  38             (?:\? (?:[\pL\pN\-._\~!$&\'()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )?   # a query (optional)
  39             (?:\# (?:[\pL\pN\-._\~!$&\'()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )?   # a fragment (optional)
  40         $~ixu';
  41
  42     /**
  43      * {@inheritdoc}
  44      */
  45     public function validate($value, Constraint $constraint)
  46     {
  47         if (!$constraint instanceof Url) {
  48             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Url');
  49         }
  50
  51         if (null === $value) {
  52             return;
  53         }
  54
  55         if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
  56             throw new UnexpectedTypeException($value, 'string');
  57         }
  58
  59         $value = (string) $value;
  60         if ('' === $value) {
  61             return;
  62         }
  63
  64         $pattern = sprintf(static::PATTERN, implode('|', $constraint->protocols));
  65
  66         if (!preg_match($pattern, $value)) {
  67             if ($this->context instanceof ExecutionContextInterface) {
  68                 $this->context->buildViolation($constraint->message)
  69                     ->setParameter('{{ value }}', $this->formatValue($value))
  70                     ->setCode(Url::INVALID_URL_ERROR)
  71                     ->addViolation();
  72             } else {
  73                 $this->buildViolation($constraint->message)
  74                     ->setParameter('{{ value }}', $this->formatValue($value))
  75                     ->setCode(Url::INVALID_URL_ERROR)
  76                     ->addViolation();
  77             }
  78
  79             return;
  80         }
  81
  82         if ($constraint->checkDNS) {
  83             $host = parse_url($value, PHP_URL_HOST);
  84
  85             if (!is_string($host) || !checkdnsrr($host, 'ANY')) {
  86                 if ($this->context instanceof ExecutionContextInterface) {
  87                     $this->context->buildViolation($constraint->dnsMessage)
  88                         ->setParameter('{{ value }}', $this->formatValue($host))
  89                         ->setCode(Url::INVALID_URL_ERROR)
  90                         ->addViolation();
  91                 } else {
  92                     $this->buildViolation($constraint->dnsMessage)
  93                         ->setParameter('{{ value }}', $this->formatValue($host))
  94                         ->setCode(Url::INVALID_URL_ERROR)
  95                         ->addViolation();
  96                 }
  97             }
  98         }
  99     }
 100 }