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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.
*
* @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);
}
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