vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/CsrfExtension.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\Form\Extension\Csrf;
  13
  14 use Symfony\Component\Form\Extension\Csrf\Type;
  15 use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface;
  16 use Symfony\Component\Form\AbstractExtension;
  17 use Symfony\Component\Translation\TranslatorInterface;
  18
  19 /**
  20  * This extension protects forms by using a CSRF token.
  21  *
  22  * @author Bernhard Schussek <bschussek@gmail.com>
  23  */
  24 class CsrfExtension extends AbstractExtension
  25 {
  26     /**
  27      * @var CsrfProviderInterface
  28      */
  29     private $csrfProvider;
  30
  31     /**
  32      * @var TranslatorInterface
  33      */
  34     private $translator;
  35
  36     /**
  37      * @var null|string
  38      */
  39     private $translationDomain;
  40
  41     /**
  42      * Constructor.
  43      *
  44      * @param CsrfProviderInterface $csrfProvider      The CSRF provider
  45      * @param TranslatorInterface   $translator        The translator for translating error messages.
  46      * @param null|string           $translationDomain The translation domain for translating.
  47      */
  48     public function __construct(CsrfProviderInterface $csrfProvider, TranslatorInterface $translator = null, $translationDomain = null)
  49     {
  50         $this->csrfProvider = $csrfProvider;
  51         $this->translator = $translator;
  52         $this->translationDomain = $translationDomain;
  53     }
  54
  55     /**
  56      * {@inheritDoc}
  57      */
  58     protected function loadTypeExtensions()
  59     {
  60         return array(
  61             new Type\FormTypeCsrfExtension($this->csrfProvider, true, '_token', $this->translator, $this->translationDomain),
  62         );
  63     }
  64 }