2010-06-24 09:40:05 +01:00
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<?php
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2010-10-02 11:42:31 +01:00
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/*
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2011-01-15 13:29:43 +00:00
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* This file is part of the Symfony package.
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2010-10-02 11:42:31 +01:00
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*
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2011-03-06 11:40:06 +00:00
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* (c) Fabien Potencier <fabien@symfony.com>
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2010-10-02 11:42:31 +01:00
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*
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2011-01-15 13:29:43 +00:00
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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2010-10-02 11:42:31 +01:00
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*/
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2011-01-15 13:29:43 +00:00
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namespace Symfony\Component\Validator\Constraints;
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2010-08-20 22:09:55 +01:00
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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2013-09-19 17:03:48 +01:00
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use Egulias\EmailValidator\EmailValidator as StrictEmailValidator;
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2010-06-24 09:40:05 +01:00
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2011-07-20 09:37:57 +01:00
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/**
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2012-02-09 16:54:30 +00:00
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* @author Bernhard Schussek <bschussek@gmail.com>
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*
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2011-07-20 09:37:57 +01:00
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* @api
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*/
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2010-06-24 09:40:05 +01:00
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class EmailValidator extends ConstraintValidator
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{
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2013-09-19 17:03:48 +01:00
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/**
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* isStrict
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*
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2014-04-16 11:36:34 +01:00
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* @var bool
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2013-09-19 17:03:48 +01:00
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*/
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private $isStrict;
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public function __construct($strict = false)
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{
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$this->isStrict = $strict;
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}
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2011-07-20 09:37:57 +01:00
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/**
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2014-04-15 06:57:34 +01:00
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* {@inheritdoc}
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2011-07-20 09:37:57 +01:00
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*/
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2012-02-09 17:02:12 +00:00
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public function validate($value, Constraint $constraint)
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2010-06-24 09:40:05 +01:00
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{
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2014-03-10 12:51:04 +00:00
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if (!$constraint instanceof Email) {
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throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Email');
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}
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2010-12-21 02:59:17 +00:00
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if (null === $value || '' === $value) {
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2012-02-09 16:54:30 +00:00
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return;
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2010-06-24 10:24:08 +01:00
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}
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2010-06-24 09:40:05 +01:00
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2011-05-07 20:01:44 +01:00
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if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
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2010-06-24 10:24:08 +01:00
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throw new UnexpectedTypeException($value, 'string');
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}
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2010-06-24 09:40:05 +01:00
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2011-03-31 13:02:00 +01:00
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$value = (string) $value;
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2013-09-19 17:03:48 +01:00
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if (null === $constraint->strict) {
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$constraint->strict = $this->isStrict;
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}
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if ($constraint->strict && class_exists('\Egulias\EmailValidator\EmailValidator')) {
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$strictValidator = new StrictEmailValidator();
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$valid = $strictValidator->isValid($value, false);
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} elseif ($constraint->strict === true) {
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throw new \RuntimeException('Strict email validation requires egulias/email-validator');
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} else {
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$valid = preg_match('/.+\@.+\..+/', $value);
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}
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2010-06-24 09:40:05 +01:00
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2011-05-15 10:15:13 +01:00
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if ($valid) {
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$host = substr($value, strpos($value, '@') + 1);
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2012-04-06 01:33:41 +01:00
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// Check for host DNS resource records
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2013-09-19 17:03:48 +01:00
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2011-05-15 10:15:13 +01:00
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if ($valid && $constraint->checkMX) {
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$valid = $this->checkMX($host);
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2012-05-01 13:46:26 +01:00
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} elseif ($valid && $constraint->checkHost) {
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2012-04-06 01:33:41 +01:00
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$valid = $this->checkHost($host);
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2011-05-15 10:15:13 +01:00
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}
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2010-06-24 10:24:08 +01:00
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}
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2011-05-14 11:43:46 +01:00
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if (!$valid) {
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2012-02-01 12:53:45 +00:00
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$this->context->addViolation($constraint->message, array('{{ value }}' => $value));
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2011-05-14 11:43:46 +01:00
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}
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2010-06-24 09:40:05 +01:00
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}
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2010-06-24 10:24:08 +01:00
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/**
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2010-12-10 14:42:29 +00:00
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* Check DNS Records for MX type.
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2010-06-24 10:24:08 +01:00
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*
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2013-01-21 16:57:12 +00:00
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* @param string $host Host
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2010-10-15 22:49:09 +01:00
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*
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2014-04-16 11:30:19 +01:00
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* @return bool
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2010-06-24 10:24:08 +01:00
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*/
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private function checkMX($host)
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2010-06-24 09:40:05 +01:00
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{
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2011-05-19 13:21:53 +01:00
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return checkdnsrr($host, 'MX');
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2010-06-24 09:40:05 +01:00
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}
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2012-05-01 13:46:26 +01:00
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2012-04-06 01:33:41 +01:00
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/**
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* Check if one of MX, A or AAAA DNS RR exists.
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*
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2013-01-21 16:57:12 +00:00
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* @param string $host Host
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2012-05-01 13:46:26 +01:00
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*
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2014-04-16 11:30:19 +01:00
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* @return bool
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2012-04-06 01:33:41 +01:00
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*/
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private function checkHost($host)
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{
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return $this->checkMX($host) || (checkdnsrr($host, "A") || checkdnsrr($host, "AAAA"));
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}
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2011-06-08 11:16:48 +01:00
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}
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