1 files changed, 59 insertions, 0 deletions
diff --git a/Csrf/TokenStorage/TokenStorageInterface.php b/Csrf/TokenStorage/TokenStorageInterface.php
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+++ b/Csrf/TokenStorage/TokenStorageInterface.php
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+<?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\Security\Csrf\TokenStorage;
+
+/**
+ * Stores CSRF tokens.
+ *
+ * @since  2.4
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+interface TokenStorageInterface
+{
+    /**
+     * Reads a stored CSRF token.
+     *
+     * @param string $tokenId The token ID
+     *
+     * @return string The stored token
+     *
+     * @throws \Symfony\Component\Security\Csrf\Exception\TokenNotFoundException If the token ID does not exist
+     */
+    public function getToken($tokenId);
+
+    /**
+     * Stores a CSRF token.
+     *
+     * @param string $tokenId The token ID
+     * @param string $token   The CSRF token
+     */
+    public function setToken($tokenId, $token);
+
+    /**
+     * Removes a CSRF token.
+     *
+     * @param string $tokenId The token ID
+     *
+     * @return string|null Returns the removed token if one existed, NULL
+     *                     otherwise
+     */
+    public function removeToken($tokenId);
+
+    /**
+     * Checks whether a token with the given token ID exists.
+     *
+     * @param string $tokenId The token ID
+     *
+     * @return bool Whether a token exists with the given ID
+     */
+    public function hasToken($tokenId);
+}