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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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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