nextcloud/lib/public/authentication/iapachebackend.php

<?php
/**
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2015, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP\Authentication;

interface IApacheBackend {

	/**
	 * In case the user has been authenticated by Apache true is returned.
	 *
	 * @return boolean whether Apache reports a user as currently logged in.
	 */
	public function isSessionActive();

	/**
	 * Creates an attribute which is added to the logout hyperlink. It can
	 * supply any attribute(s) which are valid for <a>.
	 *
	 * @return string with one or more HTML attributes.
	 */
	public function getLogoutAttribute();

	/**
	 * Return the id of the current user
	 * @return string
	 */
	public function getCurrentUserId();

}