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<?php

/**
 * ownCloud
 *
 * @author Frank Karlitschek
 * @copyright 2010 Frank Karlitschek karlitschek@kde.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */



/**
 * abstract base class for user management
 */
abstract class OC_USER_BACKEND {

	/**
	 * @brief Create a new user
	 * @param $uid The username of the user to create
	 * @param $password The password of the new user
	 * @returns true/false
	 *
	 * Creates a new user. Basic checking of username is done in OC_USER
	 * itself, not in its subclasses.
	 */
	public static function createUser($uid, $password){}

	/**
	 * @brief delete a user
	 * @param $uid The username of the user to delete
	 * @returns true/false
	 *
	 * Deletes a user
	 */
	public static function deleteUser( $uid ){}

	/**
	 * @brief Try to login a user
	 * @param $uid The username of the user to log in
	 * @param $password The password of the user
	 * @returns true/false
	 *
	 * Log in a user - if the password is ok
	 */
	public static function login($uid, $password){}

	/**
	 * @brief Kick the user
	 * @returns true
	 *
	 * Logout, destroys session
	 */
	public static function logout(){}

	/**
	 * @brief Check if the user is logged in
	 * @returns true/false
	 *
	 * Checks if the user is logged in
	 */
	public static function isLoggedIn(){}

	/**
	 * @brief Autogenerate a password
	 * @returns string
	 *
	 * generates a password
	 */
	public static function generatePassword(){}

	/**
	 * @brief Set password
	 * @param $uid The username
	 * @param $password The new password
	 * @returns true/false
	 *
	 * Change the password of a user
	 */
	public static function setPassword($uid, $password){}

	/**
	 * @brief Check if the password is correct
	 * @param $uid The username
	 * @param $password The password
	 * @returns true/false
	 *
	 * Check if the password is correct without logging in the user
	 */
	public static function checkPassword($uid, $password){}

	/**
	 * @brief Get a list of all users
	 * @returns array with all uids
	 *
	 * Get a list of all users.
	 */
	public static function getUsers(){}
}