/usr/share/php/Symfony/Component/Security/Csrf/CsrfTokenManagerInterface.php is in php-symfony-security-csrf 3.4.6+dfsg-1.
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/*
* 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;
/**
* Manages CSRF tokens.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
interface CsrfTokenManagerInterface
{
/**
* Returns a CSRF token for the given ID.
*
* If previously no token existed for the given ID, a new token is
* generated. Otherwise the existing token is returned (with the same value,
* not the same instance).
*
* @param string $tokenId The token ID. You may choose an arbitrary value
* for the ID
*
* @return CsrfToken The CSRF token
*/
public function getToken($tokenId);
/**
* Generates a new token value for the given ID.
*
* This method will generate a new token for the given token ID, independent
* of whether a token value previously existed or not. It can be used to
* enforce once-only tokens in environments with high security needs.
*
* @param string $tokenId The token ID. You may choose an arbitrary value
* for the ID
*
* @return CsrfToken The CSRF token
*/
public function refreshToken($tokenId);
/**
* Invalidates the CSRF token with the given ID, if one exists.
*
* @param string $tokenId The token ID
*
* @return string|null Returns the removed token value if one existed, NULL
* otherwise
*/
public function removeToken($tokenId);
/**
* Returns whether the given CSRF token is valid.
*
* @return bool Returns true if the token is valid, false otherwise
*/
public function isTokenValid(CsrfToken $token);
}
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