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- <?php
- declare(strict_types=1);
- /**
- * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- namespace OC\Authentication\Listeners;
- use OC\Authentication\Token\Manager;
- use OCP\EventDispatcher\Event;
- use OCP\EventDispatcher\IEventListener;
- use OCP\User\Events\UserDeletedEvent;
- use Psr\Log\LoggerInterface;
- use Throwable;
- /**
- * @template-implements IEventListener<\OCP\User\Events\UserDeletedEvent>
- */
- class UserDeletedTokenCleanupListener implements IEventListener {
- /** @var Manager */
- private $manager;
- /** @var LoggerInterface */
- private $logger;
- public function __construct(Manager $manager,
- LoggerInterface $logger) {
- $this->manager = $manager;
- $this->logger = $logger;
- }
- public function handle(Event $event): void {
- if (!($event instanceof UserDeletedEvent)) {
- // Unrelated
- return;
- }
- /**
- * Catch any exception during this process as any failure here shouldn't block the
- * user deletion.
- */
- try {
- $uid = $event->getUser()->getUID();
- $tokens = $this->manager->getTokenByUser($uid);
- foreach ($tokens as $token) {
- $this->manager->invalidateTokenById($uid, $token->getId());
- }
- } catch (Throwable $e) {
- $this->logger->error('Could not clean up auth tokens after user deletion: ' . $e->getMessage(), [
- 'exception' => $e,
- ]);
- }
- }
- }
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