nextcloud-server/lib/private/Authentication/Listeners/UserLoggedInListener.php

<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @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\PostLoginEvent;

/**
 * @template-implements IEventListener<\OCP\User\Events\PostLoginEvent>
 */
class UserLoggedInListener implements IEventListener {

	/** @var Manager */
	private $manager;

	public function __construct(Manager $manager) {
		$this->manager = $manager;
	}

	public function handle(Event $event): void {
		if (!($event instanceof PostLoginEvent)) {
			return;
		}

		// prevent setting an empty pw as result of pw-less-login
		if ($event->getPassword() === '') {
			return;
		}

		// If this is already a token login there is nothing to do
		if ($event->isTokenLogin()) {
			return;
		}

		$this->manager->updatePasswords($event->getUser()->getUID(), $event->getPassword());
	}
}