626 lines
16 KiB
PHP
626 lines
16 KiB
PHP
<?php
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/**
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* @author Aldo "xoen" Giambelluca <xoen@xoen.org>
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* @author Andreas Fischer <bantu@owncloud.com>
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Bartek Przybylski <bart.p.pl@gmail.com>
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author Dominik Schmidt <dev@dominik-schmidt.de>
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* @author Florian Preinstorfer <nblock@archlinux.us>
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* @author Georg Ehrke <georg@owncloud.com>
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* @author Jakob Sack <mail@jakobsack.de>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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* @author Scrutinizer Auto-Fixer <auto-fixer@scrutinizer-ci.com>
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* @author shkdee <louis.traynard@m4x.org>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Tom Needham <tom@owncloud.com>
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* @author Victor Dubiniuk <dubiniuk@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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/**
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* This class provides wrapper methods for user management. Multiple backends are
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* supported. User management operations are delegated to the configured backend for
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* execution.
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*
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* Note that &run is deprecated and won't work anymore.
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*
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* Hooks provided:
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* pre_createUser(&run, uid, password)
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* post_createUser(uid, password)
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* pre_deleteUser(&run, uid)
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* post_deleteUser(uid)
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* pre_setPassword(&run, uid, password, recoveryPassword)
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* post_setPassword(uid, password, recoveryPassword)
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* pre_login(&run, uid, password)
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* post_login(uid)
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* logout()
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*/
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class OC_User {
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/**
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* @return \OC\User\Session
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*/
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public static function getUserSession() {
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return OC::$server->getUserSession();
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}
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private static $_backends = array();
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private static $_usedBackends = array();
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private static $_setupedBackends = array();
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// bool, stores if a user want to access a resource anonymously, e.g if he opens a public link
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private static $incognitoMode = false;
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/**
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* Adds the backend to the list of used backends
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*
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* @param string|OC_User_Interface $backend default: database The backend to use for user management
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* @return bool
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*
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* Set the User Authentication Module
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*/
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public static function useBackend($backend = 'database') {
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if ($backend instanceof OC_User_Interface) {
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self::$_usedBackends[get_class($backend)] = $backend;
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\OC::$server->getUserManager()->registerBackend($backend);
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} else {
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// You'll never know what happens
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if (null === $backend OR !is_string($backend)) {
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$backend = 'database';
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}
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// Load backend
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switch ($backend) {
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case 'database':
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case 'mysql':
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case 'sqlite':
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\OCP\Util::writeLog('core', 'Adding user backend ' . $backend . '.', \OCP\Util::DEBUG);
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self::$_usedBackends[$backend] = new OC_User_Database();
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\OC::$server->getUserManager()->registerBackend(self::$_usedBackends[$backend]);
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break;
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case 'dummy':
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self::$_usedBackends[$backend] = new \Test\Util\User\Dummy();
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\OC::$server->getUserManager()->registerBackend(self::$_usedBackends[$backend]);
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break;
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default:
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\OCP\Util::writeLog('core', 'Adding default user backend ' . $backend . '.', \OCP\Util::DEBUG);
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$className = 'OC_USER_' . strToUpper($backend);
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self::$_usedBackends[$backend] = new $className();
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\OC::$server->getUserManager()->registerBackend(self::$_usedBackends[$backend]);
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break;
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}
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}
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return true;
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}
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/**
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* remove all used backends
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*/
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public static function clearBackends() {
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self::$_usedBackends = array();
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\OC::$server->getUserManager()->clearBackends();
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}
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/**
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* setup the configured backends in config.php
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*/
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public static function setupBackends() {
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OC_App::loadApps(array('prelogin'));
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$backends = \OC::$server->getSystemConfig()->getValue('user_backends', array());
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foreach ($backends as $i => $config) {
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$class = $config['class'];
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$arguments = $config['arguments'];
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if (class_exists($class)) {
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if (array_search($i, self::$_setupedBackends) === false) {
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// make a reflection object
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$reflectionObj = new ReflectionClass($class);
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// use Reflection to create a new instance, using the $args
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$backend = $reflectionObj->newInstanceArgs($arguments);
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self::useBackend($backend);
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self::$_setupedBackends[] = $i;
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} else {
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\OCP\Util::writeLog('core', 'User backend ' . $class . ' already initialized.', \OCP\Util::DEBUG);
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}
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} else {
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\OCP\Util::writeLog('core', 'User backend ' . $class . ' not found.', \OCP\Util::ERROR);
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}
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}
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}
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/**
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* Try to login a user
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*
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* @param string $loginname The login name of the user to log in
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* @param string $password The password of the user
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* @return boolean|null
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*
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* Log in a user and regenerate a new session - if the password is ok
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*/
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public static function login($loginname, $password) {
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$result = self::getUserSession()->login($loginname, $password);
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if ($result) {
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//we need to pass the user name, which may differ from login name
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$user = self::getUserSession()->getUser()->getUID();
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OC_Util::setupFS($user);
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//trigger creation of user home and /files folder
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\OC::$server->getUserFolder($user);
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}
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return $result;
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}
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/**
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* Try to login a user using the magic cookie (remember login)
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*
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* @param string $uid The username of the user to log in
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* @param string $token
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* @return bool
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*/
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public static function loginWithCookie($uid, $token) {
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return self::getUserSession()->loginWithCookie($uid, $token);
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}
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/**
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* Try to login a user, assuming authentication
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* has already happened (e.g. via Single Sign On).
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*
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* Log in a user and regenerate a new session.
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*
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* @param \OCP\Authentication\IApacheBackend $backend
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* @return bool
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*/
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public static function loginWithApache(\OCP\Authentication\IApacheBackend $backend) {
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$uid = $backend->getCurrentUserId();
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$run = true;
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OC_Hook::emit("OC_User", "pre_login", array("run" => &$run, "uid" => $uid));
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if ($uid) {
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if (self::getUser() !== $uid) {
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self::setUserId($uid);
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self::setDisplayName($uid);
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self::getUserSession()->setLoginName($uid);
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OC_Hook::emit("OC_User", "post_login", array("uid" => $uid, 'password' => ''));
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}
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return true;
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}
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return false;
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}
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/**
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* Verify with Apache whether user is authenticated.
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*
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* @return boolean|null
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* true: authenticated
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* false: not authenticated
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* null: not handled / no backend available
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*/
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public static function handleApacheAuth() {
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$backend = self::findFirstActiveUsedBackend();
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if ($backend) {
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OC_App::loadApps();
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//setup extra user backends
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self::setupBackends();
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self::unsetMagicInCookie();
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return self::loginWithApache($backend);
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}
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return null;
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}
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/**
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* Sets user id for session and triggers emit
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*/
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public static function setUserId($uid) {
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$userSession = \OC::$server->getUserSession();
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$userManager = \OC::$server->getUserManager();
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if ($user = $userManager->get($uid)) {
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$userSession->setUser($user);
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} else {
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\OC::$server->getSession()->set('user_id', $uid);
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}
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}
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/**
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* Sets user display name for session
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*
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* @param string $uid
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* @param null $displayName
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* @return bool Whether the display name could get set
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*/
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public static function setDisplayName($uid, $displayName = null) {
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if (is_null($displayName)) {
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$displayName = $uid;
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}
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->setDisplayName($displayName);
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} else {
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return false;
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}
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}
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/**
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* Logs the current user out and kills all the session data
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*
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* Logout, destroys session
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*/
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public static function logout() {
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self::getUserSession()->logout();
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}
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/**
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* Tries to login the user with HTTP Basic Authentication
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*/
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public static function tryBasicAuthLogin() {
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if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
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\OC_User::login($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
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}
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}
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/**
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* Check if the user is logged in, considers also the HTTP basic credentials
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*
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* @return bool
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*/
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public static function isLoggedIn() {
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if (\OC::$server->getSession()->get('user_id') !== null && self::$incognitoMode === false) {
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return self::userExists(\OC::$server->getSession()->get('user_id'));
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}
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return false;
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}
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/**
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* set incognito mode, e.g. if a user wants to open a public link
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*
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* @param bool $status
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*/
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public static function setIncognitoMode($status) {
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self::$incognitoMode = $status;
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}
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/**
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* get incognito mode status
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*
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* @return bool
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*/
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public static function isIncognitoMode() {
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return self::$incognitoMode;
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}
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/**
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* Supplies an attribute to the logout hyperlink. The default behaviour
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* is to return an href with '?logout=true' appended. However, it can
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* supply any attribute(s) which are valid for <a>.
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*
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* @return string with one or more HTML attributes.
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*/
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public static function getLogoutAttribute() {
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$backend = self::findFirstActiveUsedBackend();
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if ($backend) {
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return $backend->getLogoutAttribute();
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}
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return 'href="' . link_to('', 'index.php') . '?logout=true&requesttoken=' . urlencode(OC_Util::callRegister()) . '"';
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}
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/**
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* Check if the user is an admin user
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*
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* @param string $uid uid of the admin
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* @return bool
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*/
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public static function isAdminUser($uid) {
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if (OC_Group::inGroup($uid, 'admin') && self::$incognitoMode === false) {
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return true;
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}
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return false;
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}
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/**
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* get the user id of the user currently logged in.
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*
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* @return string|bool uid or false
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*/
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public static function getUser() {
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$uid = \OC::$server->getSession() ? \OC::$server->getSession()->get('user_id') : null;
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if (!is_null($uid) && self::$incognitoMode === false) {
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return $uid;
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} else {
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return false;
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}
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}
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/**
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* get the display name of the user currently logged in.
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*
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* @param string $uid
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* @return string uid or false
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*/
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public static function getDisplayName($uid = null) {
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if ($uid) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->getDisplayName();
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} else {
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return $uid;
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}
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} else {
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$user = self::getUserSession()->getUser();
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if ($user) {
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return $user->getDisplayName();
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} else {
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return false;
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}
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}
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}
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/**
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* Autogenerate a password
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*
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* @return string
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*
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* generates a password
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*/
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public static function generatePassword() {
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return \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(30);
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}
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/**
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* Set password
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*
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* @param string $uid The username
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* @param string $password The new password
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* @param string $recoveryPassword for the encryption app to reset encryption keys
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* @return bool
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*
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* Change the password of a user
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*/
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public static function setPassword($uid, $password, $recoveryPassword = null) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->setPassword($password, $recoveryPassword);
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} else {
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return false;
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}
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}
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/**
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* Check whether user can change his avatar
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*
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* @param string $uid The username
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* @return bool
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*
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* Check whether a specified user can change his avatar
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*/
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public static function canUserChangeAvatar($uid) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->canChangeAvatar();
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} else {
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return false;
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}
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}
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/**
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* Check whether user can change his password
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*
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* @param string $uid The username
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* @return bool
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*
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* Check whether a specified user can change his password
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*/
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public static function canUserChangePassword($uid) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->canChangePassword();
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} else {
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return false;
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}
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}
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/**
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* Check whether user can change his display name
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*
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* @param string $uid The username
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* @return bool
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*
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* Check whether a specified user can change his display name
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*/
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public static function canUserChangeDisplayName($uid) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->canChangeDisplayName();
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} else {
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return false;
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}
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}
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/**
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* Check if the password is correct
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*
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* @param string $uid The username
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* @param string $password The password
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* @return string|false user id a string on success, false otherwise
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*
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* Check if the password is correct without logging in the user
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* returns the user id or false
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*/
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public static function checkPassword($uid, $password) {
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$manager = \OC::$server->getUserManager();
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$username = $manager->checkPassword($uid, $password);
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if ($username !== false) {
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return $username->getUID();
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}
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return false;
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}
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/**
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* @param string $uid The username
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* @return string
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*
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* returns the path to the users home directory
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* @deprecated Use \OC::$server->getUserManager->getHome()
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*/
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public static function getHome($uid) {
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$user = \OC::$server->getUserManager()->get($uid);
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if ($user) {
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return $user->getHome();
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} else {
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return \OC::$server->getSystemConfig()->getValue('datadirectory', OC::$SERVERROOT . '/data') . '/' . $uid;
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}
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}
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/**
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* Get a list of all users
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*
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* @return array an array of all uids
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*
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* Get a list of all users.
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* @param string $search
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* @param integer $limit
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* @param integer $offset
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*/
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public static function getUsers($search = '', $limit = null, $offset = null) {
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$users = \OC::$server->getUserManager()->search($search, $limit, $offset);
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$uids = array();
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foreach ($users as $user) {
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$uids[] = $user->getUID();
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}
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return $uids;
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}
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/**
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* Get a list of all users display name
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*
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array associative array with all display names (value) and corresponding uids (key)
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*
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* Get a list of all display names and user ids.
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* @deprecated Use \OC::$server->getUserManager->searchDisplayName($search, $limit, $offset) instead.
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*/
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public static function getDisplayNames($search = '', $limit = null, $offset = null) {
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$displayNames = array();
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$users = \OC::$server->getUserManager()->searchDisplayName($search, $limit, $offset);
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foreach ($users as $user) {
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$displayNames[$user->getUID()] = $user->getDisplayName();
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}
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return $displayNames;
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}
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/**
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* check if a user exists
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*
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* @param string $uid the username
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* @return boolean
|
|
*/
|
|
public static function userExists($uid) {
|
|
return \OC::$server->getUserManager()->userExists($uid);
|
|
}
|
|
|
|
/**
|
|
* disables a user
|
|
*
|
|
* @param string $uid the user to disable
|
|
*/
|
|
public static function disableUser($uid) {
|
|
$user = \OC::$server->getUserManager()->get($uid);
|
|
if ($user) {
|
|
$user->setEnabled(false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* enable a user
|
|
*
|
|
* @param string $uid
|
|
*/
|
|
public static function enableUser($uid) {
|
|
$user = \OC::$server->getUserManager()->get($uid);
|
|
if ($user) {
|
|
$user->setEnabled(true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* checks if a user is enabled
|
|
*
|
|
* @param string $uid
|
|
* @return bool
|
|
*/
|
|
public static function isEnabled($uid) {
|
|
$user = \OC::$server->getUserManager()->get($uid);
|
|
if ($user) {
|
|
return $user->isEnabled();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set cookie value to use in next page load
|
|
*
|
|
* @param string $username username to be set
|
|
* @param string $token
|
|
*/
|
|
public static function setMagicInCookie($username, $token) {
|
|
self::getUserSession()->setMagicInCookie($username, $token);
|
|
}
|
|
|
|
/**
|
|
* Remove cookie for "remember username"
|
|
*/
|
|
public static function unsetMagicInCookie() {
|
|
self::getUserSession()->unsetMagicInCookie();
|
|
}
|
|
|
|
/**
|
|
* Returns the first active backend from self::$_usedBackends.
|
|
*
|
|
* @return OCP\Authentication\IApacheBackend|null if no backend active, otherwise OCP\Authentication\IApacheBackend
|
|
*/
|
|
private static function findFirstActiveUsedBackend() {
|
|
foreach (self::$_usedBackends as $backend) {
|
|
if ($backend instanceof OCP\Authentication\IApacheBackend) {
|
|
if ($backend->isSessionActive()) {
|
|
return $backend;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|