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Current Path : /opt/alt/php53/usr/share/pear/Symfony/Component/Validator/Constraints/ |
Current File : //opt/alt/php53/usr/share/pear/Symfony/Component/Validator/Constraints/EmailValidator.php |
<?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; /** * @author Bernhard Schussek <bschussek@gmail.com> * * @api */ class EmailValidator extends ConstraintValidator { /** * {@inheritDoc} */ public function validate($value, Constraint $constraint) { if (null === $value || '' === $value) { return; } if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) { throw new UnexpectedTypeException($value, 'string'); } $value = (string) $value; $valid = filter_var($value, FILTER_VALIDATE_EMAIL); if ($valid) { $host = substr($value, strpos($value, '@') + 1); // Check for host DNS resource records if ($valid && $constraint->checkMX) { $valid = $this->checkMX($host); } elseif ($valid && $constraint->checkHost) { $valid = $this->checkHost($host); } } if (!$valid) { $this->context->addViolation($constraint->message, array('{{ value }}' => $value)); } } /** * Check DNS Records for MX type. * * @param string $host Host * * @return Boolean */ private function checkMX($host) { return checkdnsrr($host, 'MX'); } /** * Check if one of MX, A or AAAA DNS RR exists. * * @param string $host Host * * @return Boolean */ private function checkHost($host) { return $this->checkMX($host) || (checkdnsrr($host, "A") || checkdnsrr($host, "AAAA")); } }