nextcloud-server/lib/private/AppFramework/Middleware/FlowV2EphemeralSessionsMidd...

81 lines
2.3 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\AppFramework\Middleware;
use OC\AppFramework\Utility\ControllerMethodReflector;
use OC\Core\Controller\ClientFlowLoginV2Controller;
use OC\Core\Controller\TwoFactorChallengeController;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\Attribute\PublicPage;
use OCP\AppFramework\Middleware;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Authentication\TwoFactorAuth\ALoginSetupController;
use OCP\ISession;
use OCP\IUserSession;
use Psr\Log\LoggerInterface;
use ReflectionMethod;
// Will close the session if the user session is ephemeral.
// Happens when the user logs in via the login flow v2.
class FlowV2EphemeralSessionsMiddleware extends Middleware {
private const EPHEMERAL_SESSION_TTL = 5 * 60; // 5 minutes
public function __construct(
private ISession $session,
private IUserSession $userSession,
private ControllerMethodReflector $reflector,
private LoggerInterface $logger,
private ITimeFactory $timeFactory,
) {
}
public function beforeController(Controller $controller, string $methodName) {
$sessionCreationTime = $this->session->get(ClientFlowLoginV2Controller::EPHEMERAL_NAME);
// Not an ephemeral session.
if ($sessionCreationTime === null) {
return;
}
// Lax enforcement until TTL is reached.
if ($this->timeFactory->getTime() < $sessionCreationTime + self::EPHEMERAL_SESSION_TTL) {
return;
}
// Allow certain controllers/methods to proceed without logging out.
if (
$controller instanceof ClientFlowLoginV2Controller
&& ($methodName === 'grantPage' || $methodName === 'generateAppPassword')
) {
return;
}
if ($controller instanceof TwoFactorChallengeController
|| $controller instanceof ALoginSetupController) {
return;
}
$reflectionMethod = new ReflectionMethod($controller, $methodName);
if (!empty($reflectionMethod->getAttributes(PublicPage::class))) {
return;
}
if ($this->reflector->hasAnnotation('PublicPage')) {
return;
}
$this->logger->info('Closing user and PHP session for ephemeral session', [
'controller' => $controller::class,
'method' => $methodName,
]);
$this->userSession->logout();
$this->session->close();
}
}