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authorNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-04 17:50:34 +0200
committerNicolas LÅ“uillet <nicolas.loeuillet@gmail.com>2013-08-04 17:50:34 +0200
commit46b77928f746a4231d064774b5b67fd892c7ce86 (patch)
treee3ea690b3f0def1744ddae758923cf92171ef985 /vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/CsrfProvider/CsrfProviderInterface.php
parent68abd9c71b1d2f7bb2e9d21819584d1d15005b25 (diff)
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diff --git a/vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/CsrfProvider/CsrfProviderInterface.php b/vendor/symfony/form/Symfony/Component/Form/Extension/Csrf/CsrfProvider/CsrfProviderInterface.php
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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
12namespace Symfony\Component\Form\Extension\Csrf\CsrfProvider;
13
14/**
15 * Marks classes able to provide CSRF protection
16 *
17 * You can generate a CSRF token by using the method generateCsrfToken(). To
18 * this method you should pass a value that is unique to the page that should
19 * be secured against CSRF attacks. This value doesn't necessarily have to be
20 * secret. Implementations of this interface are responsible for adding more
21 * secret information.
22 *
23 * If you want to secure a form submission against CSRF attacks, you could
24 * supply an "intention" string. This way you make sure that the form can only
25 * be submitted to pages that are designed to handle the form, that is, that use
26 * the same intention string to validate the CSRF token with isCsrfTokenValid().
27 *
28 * @author Bernhard Schussek <bschussek@gmail.com>
29 */
30interface CsrfProviderInterface
31{
32 /**
33 * Generates a CSRF token for a page of your application.
34 *
35 * @param string $intention Some value that identifies the action intention
36 * (i.e. "authenticate"). Doesn't have to be a secret value.
37 */
38 public function generateCsrfToken($intention);
39
40 /**
41 * Validates a CSRF token.
42 *
43 * @param string $intention The intention used when generating the CSRF token
44 * @param string $token The token supplied by the browser
45 *
46 * @return Boolean Whether the token supplied by the browser is correct
47 */
48 public function isCsrfTokenValid($intention, $token);
49}