Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Constraints;
Chris@0: 
Chris@0: use Symfony\Component\Validator\Constraint;
Chris@0: use Symfony\Component\Validator\ConstraintValidator;
Chris@14: use Symfony\Component\Validator\Exception\InvalidOptionsException;
Chris@0: use Symfony\Component\Validator\Exception\UnexpectedTypeException;
Chris@0: 
Chris@0: /**
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: class UrlValidator extends ConstraintValidator
Chris@0: {
Chris@0:     const PATTERN = '~^
Chris@0:             (%s)://                                 # protocol
Chris@14:             (([\.\pL\pN-]+:)?([\.\pL\pN-]+)@)?      # basic auth
Chris@0:             (
Chris@14:                 ([\pL\pN\pS\-\.])+(\.?([\pL\pN]|xn\-\-[\pL\pN-]+)+\.?) # a domain name
Chris@0:                     |                                                 # or
Chris@0:                 \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}                    # an IP address
Chris@0:                     |                                                 # or
Chris@0:                 \[
Chris@0:                     (?:(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-f]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,1}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,2}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,3}(?:(?:[0-9a-f]{1,4})))?::(?:(?:[0-9a-f]{1,4})):)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,4}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,5}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,6}(?:(?:[0-9a-f]{1,4})))?::))))
Chris@0:                 \]  # an IPv6 address
Chris@0:             )
Chris@0:             (:[0-9]+)?                              # a port (optional)
Chris@0:             (?:/ (?:[\pL\pN\-._\~!$&\'()*+,;=:@]|%%[0-9A-Fa-f]{2})* )*      # a path
Chris@0:             (?:\? (?:[\pL\pN\-._\~!$&\'()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )?   # a query (optional)
Chris@0:             (?:\# (?:[\pL\pN\-._\~!$&\'()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )?   # a fragment (optional)
Chris@0:         $~ixu';
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function validate($value, Constraint $constraint)
Chris@0:     {
Chris@0:         if (!$constraint instanceof Url) {
Chris@0:             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Url');
Chris@0:         }
Chris@0: 
Chris@12:         if (null === $value || '' === $value) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@17:         if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
Chris@0:             throw new UnexpectedTypeException($value, 'string');
Chris@0:         }
Chris@0: 
Chris@0:         $value = (string) $value;
Chris@0:         if ('' === $value) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         $pattern = sprintf(static::PATTERN, implode('|', $constraint->protocols));
Chris@0: 
Chris@0:         if (!preg_match($pattern, $value)) {
Chris@0:             $this->context->buildViolation($constraint->message)
Chris@0:                 ->setParameter('{{ value }}', $this->formatValue($value))
Chris@0:                 ->setCode(Url::INVALID_URL_ERROR)
Chris@0:                 ->addViolation();
Chris@0: 
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         if ($constraint->checkDNS) {
Chris@14:             // backwards compatibility
Chris@14:             if (true === $constraint->checkDNS) {
Chris@14:                 $constraint->checkDNS = Url::CHECK_DNS_TYPE_ANY;
Chris@14:                 @trigger_error(sprintf('Use of the boolean TRUE for the "checkDNS" option in %s is deprecated.  Use Url::CHECK_DNS_TYPE_ANY instead.', Url::class), E_USER_DEPRECATED);
Chris@14:             }
Chris@14: 
Chris@17:             if (!\in_array($constraint->checkDNS, [
Chris@14:                 Url::CHECK_DNS_TYPE_ANY,
Chris@14:                 Url::CHECK_DNS_TYPE_A,
Chris@14:                 Url::CHECK_DNS_TYPE_A6,
Chris@14:                 Url::CHECK_DNS_TYPE_AAAA,
Chris@14:                 Url::CHECK_DNS_TYPE_CNAME,
Chris@14:                 Url::CHECK_DNS_TYPE_MX,
Chris@14:                 Url::CHECK_DNS_TYPE_NAPTR,
Chris@14:                 Url::CHECK_DNS_TYPE_NS,
Chris@14:                 Url::CHECK_DNS_TYPE_PTR,
Chris@14:                 Url::CHECK_DNS_TYPE_SOA,
Chris@14:                 Url::CHECK_DNS_TYPE_SRV,
Chris@14:                 Url::CHECK_DNS_TYPE_TXT,
Chris@17:             ], true)) {
Chris@17:                 throw new InvalidOptionsException(sprintf('Invalid value for option "checkDNS" in constraint %s', \get_class($constraint)), ['checkDNS']);
Chris@14:             }
Chris@14: 
Chris@0:             $host = parse_url($value, PHP_URL_HOST);
Chris@0: 
Chris@17:             if (!\is_string($host) || !checkdnsrr($host, $constraint->checkDNS)) {
Chris@0:                 $this->context->buildViolation($constraint->dnsMessage)
Chris@0:                     ->setParameter('{{ value }}', $this->formatValue($host))
Chris@0:                     ->setCode(Url::INVALID_URL_ERROR)
Chris@0:                     ->addViolation();
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: }