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![Joas Schilling](/assets/img/avatar_default.png)
Signed-off-by: Joas Schilling <coding@schilljs.com> Signed-off-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>
788 lines
23 KiB
PHP
788 lines
23 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Bjoern Schiessle <bjoern@schiessle.org>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Georg Ehrke <oc.list@georgehrke.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author John Molakvoæ <skjnldsv@protonmail.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Chan <plus.vincchan@gmail.com>
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*
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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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namespace OC\User;
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use OC\Hooks\PublicEmitter;
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use OC\Memcache\WithLocalCache;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\EventDispatcher\IEventDispatcher;
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use OCP\HintException;
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use OCP\ICache;
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use OCP\ICacheFactory;
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use OCP\IConfig;
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use OCP\IGroup;
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use OCP\IUser;
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use OCP\IUserBackend;
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use OCP\IUserManager;
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use OCP\L10N\IFactory;
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use OCP\Server;
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use OCP\Support\Subscription\IAssertion;
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use OCP\User\Backend\ICheckPasswordBackend;
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use OCP\User\Backend\ICountUsersBackend;
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use OCP\User\Backend\IGetRealUIDBackend;
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use OCP\User\Backend\IProvideEnabledStateBackend;
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use OCP\User\Backend\ISearchKnownUsersBackend;
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use OCP\User\Events\BeforeUserCreatedEvent;
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use OCP\User\Events\UserCreatedEvent;
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use OCP\UserInterface;
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/**
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* Class Manager
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*
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* Hooks available in scope \OC\User:
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* - preSetPassword(\OC\User\User $user, string $password, string $recoverPassword)
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* - postSetPassword(\OC\User\User $user, string $password, string $recoverPassword)
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* - preDelete(\OC\User\User $user)
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* - postDelete(\OC\User\User $user)
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* - preCreateUser(string $uid, string $password)
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* - postCreateUser(\OC\User\User $user, string $password)
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* - change(\OC\User\User $user)
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* - assignedUserId(string $uid)
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* - preUnassignedUserId(string $uid)
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* - postUnassignedUserId(string $uid)
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*
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* @package OC\User
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*/
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class Manager extends PublicEmitter implements IUserManager {
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/**
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* @var \OCP\UserInterface[] $backends
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*/
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private $backends = [];
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/**
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* @var \OC\User\User[] $cachedUsers
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*/
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private $cachedUsers = [];
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/** @var IConfig */
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private $config;
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/** @var ICache */
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private $cache;
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/** @var IEventDispatcher */
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private $eventDispatcher;
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private DisplayNameCache $displayNameCache;
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public function __construct(IConfig $config,
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ICacheFactory $cacheFactory,
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IEventDispatcher $eventDispatcher) {
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$this->config = $config;
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$this->cache = new WithLocalCache($cacheFactory->createDistributed('user_backend_map'));
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$cachedUsers = &$this->cachedUsers;
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$this->listen('\OC\User', 'postDelete', function ($user) use (&$cachedUsers) {
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/** @var \OC\User\User $user */
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unset($cachedUsers[$user->getUID()]);
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});
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$this->eventDispatcher = $eventDispatcher;
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$this->displayNameCache = new DisplayNameCache($cacheFactory, $this);
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}
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/**
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* Get the active backends
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* @return \OCP\UserInterface[]
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*/
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public function getBackends() {
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return $this->backends;
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}
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/**
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* register a user backend
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*
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* @param \OCP\UserInterface $backend
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*/
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public function registerBackend($backend) {
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$this->backends[] = $backend;
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}
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/**
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* remove a user backend
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*
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* @param \OCP\UserInterface $backend
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*/
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public function removeBackend($backend) {
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$this->cachedUsers = [];
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if (($i = array_search($backend, $this->backends)) !== false) {
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unset($this->backends[$i]);
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}
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}
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/**
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* remove all user backends
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*/
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public function clearBackends() {
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$this->cachedUsers = [];
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$this->backends = [];
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}
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/**
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* get a user by user id
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*
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* @param string $uid
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* @return \OC\User\User|null Either the user or null if the specified user does not exist
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*/
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public function get($uid) {
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if (is_null($uid) || $uid === '' || $uid === false) {
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return null;
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}
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if (isset($this->cachedUsers[$uid])) { //check the cache first to prevent having to loop over the backends
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return $this->cachedUsers[$uid];
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}
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$cachedBackend = $this->cache->get(sha1($uid));
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if ($cachedBackend !== null && isset($this->backends[$cachedBackend])) {
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// Cache has the info of the user backend already, so ask that one directly
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$backend = $this->backends[$cachedBackend];
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if ($backend->userExists($uid)) {
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return $this->getUserObject($uid, $backend);
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}
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}
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foreach ($this->backends as $i => $backend) {
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if ($i === $cachedBackend) {
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// Tried that one already
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continue;
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}
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if ($backend->userExists($uid)) {
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// Hash $uid to ensure that only valid characters are used for the cache key
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$this->cache->set(sha1($uid), $i, 300);
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return $this->getUserObject($uid, $backend);
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}
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}
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return null;
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}
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public function getDisplayName(string $uid): ?string {
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return $this->displayNameCache->getDisplayName($uid);
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}
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/**
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* get or construct the user object
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*
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* @param string $uid
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* @param \OCP\UserInterface $backend
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* @param bool $cacheUser If false the newly created user object will not be cached
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* @return \OC\User\User
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*/
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public function getUserObject($uid, $backend, $cacheUser = true) {
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if ($backend instanceof IGetRealUIDBackend) {
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$uid = $backend->getRealUID($uid);
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}
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if (isset($this->cachedUsers[$uid])) {
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return $this->cachedUsers[$uid];
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}
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$user = new User($uid, $backend, $this->eventDispatcher, $this, $this->config);
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if ($cacheUser) {
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$this->cachedUsers[$uid] = $user;
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}
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return $user;
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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 $uid
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* @return bool
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*/
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public function userExists($uid) {
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$user = $this->get($uid);
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return ($user !== null);
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}
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/**
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* Check if the password is valid for the user
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*
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* @param string $loginName
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* @param string $password
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* @return IUser|false the User object on success, false otherwise
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*/
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public function checkPassword($loginName, $password) {
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$result = $this->checkPasswordNoLogging($loginName, $password);
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if ($result === false) {
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\OC::$server->getLogger()->warning('Login failed: \''. $loginName .'\' (Remote IP: \''. \OC::$server->getRequest()->getRemoteAddress(). '\')', ['app' => 'core']);
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}
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return $result;
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}
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/**
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* Check if the password is valid for the user
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*
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* @internal
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* @param string $loginName
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* @param string $password
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* @return IUser|false the User object on success, false otherwise
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*/
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public function checkPasswordNoLogging($loginName, $password) {
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$loginName = str_replace("\0", '', $loginName);
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$password = str_replace("\0", '', $password);
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$cachedBackend = $this->cache->get($loginName);
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if ($cachedBackend !== null && isset($this->backends[$cachedBackend])) {
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$backends = [$this->backends[$cachedBackend]];
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} else {
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$backends = $this->backends;
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}
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foreach ($backends as $backend) {
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if ($backend instanceof ICheckPasswordBackend || $backend->implementsActions(Backend::CHECK_PASSWORD)) {
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/** @var ICheckPasswordBackend $backend */
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$uid = $backend->checkPassword($loginName, $password);
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if ($uid !== false) {
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return $this->getUserObject($uid, $backend);
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}
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}
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}
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// since http basic auth doesn't provide a standard way of handling non ascii password we allow password to be urlencoded
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// we only do this decoding after using the plain password fails to maintain compatibility with any password that happens
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// to contain urlencoded patterns by "accident".
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$password = urldecode($password);
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foreach ($backends as $backend) {
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if ($backend instanceof ICheckPasswordBackend || $backend->implementsActions(Backend::CHECK_PASSWORD)) {
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/** @var ICheckPasswordBackend|UserInterface $backend */
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$uid = $backend->checkPassword($loginName, $password);
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if ($uid !== false) {
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return $this->getUserObject($uid, $backend);
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}
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}
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}
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return false;
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}
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/**
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* Search by user id
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*
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* @param string $pattern
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* @param int $limit
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* @param int $offset
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* @return IUser[]
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* @deprecated since 27.0.0, use searchDisplayName instead
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*/
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public function search($pattern, $limit = null, $offset = null) {
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$users = [];
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foreach ($this->backends as $backend) {
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$backendUsers = $backend->getUsers($pattern, $limit, $offset);
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if (is_array($backendUsers)) {
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foreach ($backendUsers as $uid) {
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$users[$uid] = new LazyUser($uid, $this, null, $backend);
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}
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}
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}
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uasort($users, function (IUser $a, IUser $b) {
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return strcasecmp($a->getUID(), $b->getUID());
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});
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return $users;
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}
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/**
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* Search by displayName
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*
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* @param string $pattern
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* @param int $limit
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* @param int $offset
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* @return IUser[]
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*/
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public function searchDisplayName($pattern, $limit = null, $offset = null) {
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$users = [];
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foreach ($this->backends as $backend) {
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$backendUsers = $backend->getDisplayNames($pattern, $limit, $offset);
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if (is_array($backendUsers)) {
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foreach ($backendUsers as $uid => $displayName) {
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$users[] = new LazyUser($uid, $this, $displayName, $backend);
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}
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}
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}
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usort($users, function (IUser $a, IUser $b) {
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return strcasecmp($a->getDisplayName(), $b->getDisplayName());
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});
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return $users;
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}
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/**
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* @return IUser[]
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*/
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public function getDisabledUsers(?int $limit = null, int $offset = 0): array {
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$users = $this->config->getUsersForUserValue('core', 'enabled', 'false');
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$users = array_combine(
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$users,
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array_map(
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fn (string $uid): IUser => new LazyUser($uid, $this),
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$users
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)
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);
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$tempLimit = ($limit === null ? null : $limit + $offset);
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foreach ($this->backends as $backend) {
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if (($tempLimit !== null) && (count($users) >= $tempLimit)) {
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break;
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}
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if ($backend instanceof IProvideEnabledStateBackend) {
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$backendUsers = $backend->getDisabledUserList(($tempLimit === null ? null : $tempLimit - count($users)));
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foreach ($backendUsers as $uid) {
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$users[$uid] = new LazyUser($uid, $this, null, $backend);
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}
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}
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}
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return array_slice($users, $offset, $limit);
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}
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/**
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* Search known users (from phonebook sync) by displayName
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*
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* @param string $searcher
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* @param string $pattern
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* @param int|null $limit
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* @param int|null $offset
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* @return IUser[]
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*/
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public function searchKnownUsersByDisplayName(string $searcher, string $pattern, ?int $limit = null, ?int $offset = null): array {
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$users = [];
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foreach ($this->backends as $backend) {
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if ($backend instanceof ISearchKnownUsersBackend) {
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$backendUsers = $backend->searchKnownUsersByDisplayName($searcher, $pattern, $limit, $offset);
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} else {
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// Better than nothing, but filtering after pagination can remove lots of results.
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$backendUsers = $backend->getDisplayNames($pattern, $limit, $offset);
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}
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if (is_array($backendUsers)) {
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foreach ($backendUsers as $uid => $displayName) {
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$users[] = $this->getUserObject($uid, $backend);
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}
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}
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}
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usort($users, function ($a, $b) {
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/**
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* @var IUser $a
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* @var IUser $b
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*/
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return strcasecmp($a->getDisplayName(), $b->getDisplayName());
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});
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return $users;
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}
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/**
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* @param string $uid
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* @param string $password
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* @return false|IUser the created user or false
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* @throws \InvalidArgumentException
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* @throws HintException
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*/
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public function createUser($uid, $password) {
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// DI injection is not used here as IRegistry needs the user manager itself for user count and thus it would create a cyclic dependency
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/** @var IAssertion $assertion */
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$assertion = \OC::$server->get(IAssertion::class);
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$assertion->createUserIsLegit();
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$localBackends = [];
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foreach ($this->backends as $backend) {
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if ($backend instanceof Database) {
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// First check if there is another user backend
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$localBackends[] = $backend;
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continue;
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}
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if ($backend->implementsActions(Backend::CREATE_USER)) {
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return $this->createUserFromBackend($uid, $password, $backend);
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}
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}
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foreach ($localBackends as $backend) {
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if ($backend->implementsActions(Backend::CREATE_USER)) {
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return $this->createUserFromBackend($uid, $password, $backend);
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}
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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
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* @param string $password
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* @param UserInterface $backend
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* @return IUser|false
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* @throws \InvalidArgumentException
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*/
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public function createUserFromBackend($uid, $password, UserInterface $backend) {
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$l = \OC::$server->getL10N('lib');
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$this->validateUserId($uid, true);
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// No empty password
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if (trim($password) === '') {
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throw new \InvalidArgumentException($l->t('A valid password must be provided'));
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}
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// Check if user already exists
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if ($this->userExists($uid)) {
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throw new \InvalidArgumentException($l->t('The username is already being used'));
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}
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/** @deprecated 21.0.0 use BeforeUserCreatedEvent event with the IEventDispatcher instead */
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$this->emit('\OC\User', 'preCreateUser', [$uid, $password]);
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$this->eventDispatcher->dispatchTyped(new BeforeUserCreatedEvent($uid, $password));
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$state = $backend->createUser($uid, $password);
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if ($state === false) {
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throw new \InvalidArgumentException($l->t('Could not create user'));
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}
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$user = $this->getUserObject($uid, $backend);
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if ($user instanceof IUser) {
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/** @deprecated 21.0.0 use UserCreatedEvent event with the IEventDispatcher instead */
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$this->emit('\OC\User', 'postCreateUser', [$user, $password]);
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$this->eventDispatcher->dispatchTyped(new UserCreatedEvent($user, $password));
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return $user;
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}
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return false;
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}
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/**
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* returns how many users per backend exist (if supported by backend)
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*
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* @param boolean $hasLoggedIn when true only users that have a lastLogin
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* entry in the preferences table will be affected
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* @return array<string, int> an array of backend class as key and count number as value
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*/
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public function countUsers() {
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$userCountStatistics = [];
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foreach ($this->backends as $backend) {
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if ($backend instanceof ICountUsersBackend || $backend->implementsActions(Backend::COUNT_USERS)) {
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/** @var ICountUsersBackend|IUserBackend $backend */
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$backendUsers = $backend->countUsers();
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if ($backendUsers !== false) {
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if ($backend instanceof IUserBackend) {
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$name = $backend->getBackendName();
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} else {
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$name = get_class($backend);
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}
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if (isset($userCountStatistics[$name])) {
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$userCountStatistics[$name] += $backendUsers;
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} else {
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$userCountStatistics[$name] = $backendUsers;
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}
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}
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}
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}
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return $userCountStatistics;
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}
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/**
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* returns how many users per backend exist in the requested groups (if supported by backend)
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*
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* @param IGroup[] $groups an array of gid to search in
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* @return array|int an array of backend class as key and count number as value
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* if $hasLoggedIn is true only an int is returned
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|
*/
|
|
public function countUsersOfGroups(array $groups) {
|
|
$users = [];
|
|
foreach ($groups as $group) {
|
|
$usersIds = array_map(function ($user) {
|
|
return $user->getUID();
|
|
}, $group->getUsers());
|
|
$users = array_merge($users, $usersIds);
|
|
}
|
|
return count(array_unique($users));
|
|
}
|
|
|
|
/**
|
|
* The callback is executed for each user on each backend.
|
|
* If the callback returns false no further users will be retrieved.
|
|
*
|
|
* @psalm-param \Closure(\OCP\IUser):?bool $callback
|
|
* @param string $search
|
|
* @param boolean $onlySeen when true only users that have a lastLogin entry
|
|
* in the preferences table will be affected
|
|
* @since 9.0.0
|
|
*/
|
|
public function callForAllUsers(\Closure $callback, $search = '', $onlySeen = false) {
|
|
if ($onlySeen) {
|
|
$this->callForSeenUsers($callback);
|
|
} else {
|
|
foreach ($this->getBackends() as $backend) {
|
|
$limit = 500;
|
|
$offset = 0;
|
|
do {
|
|
$users = $backend->getUsers($search, $limit, $offset);
|
|
foreach ($users as $uid) {
|
|
if (!$backend->userExists($uid)) {
|
|
continue;
|
|
}
|
|
$user = $this->getUserObject($uid, $backend, false);
|
|
$return = $callback($user);
|
|
if ($return === false) {
|
|
break;
|
|
}
|
|
}
|
|
$offset += $limit;
|
|
} while (count($users) >= $limit);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns how many users are disabled
|
|
*
|
|
* @return int
|
|
* @since 12.0.0
|
|
*/
|
|
public function countDisabledUsers(): int {
|
|
$queryBuilder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$queryBuilder->select($queryBuilder->func()->count('*'))
|
|
->from('preferences')
|
|
->where($queryBuilder->expr()->eq('appid', $queryBuilder->createNamedParameter('core')))
|
|
->andWhere($queryBuilder->expr()->eq('configkey', $queryBuilder->createNamedParameter('enabled')))
|
|
->andWhere($queryBuilder->expr()->eq('configvalue', $queryBuilder->createNamedParameter('false'), IQueryBuilder::PARAM_STR));
|
|
|
|
|
|
$result = $queryBuilder->execute();
|
|
$count = $result->fetchOne();
|
|
$result->closeCursor();
|
|
|
|
if ($count !== false) {
|
|
$count = (int)$count;
|
|
} else {
|
|
$count = 0;
|
|
}
|
|
|
|
return $count;
|
|
}
|
|
|
|
/**
|
|
* returns how many users are disabled in the requested groups
|
|
*
|
|
* @param array $groups groupids to search
|
|
* @return int
|
|
* @since 14.0.0
|
|
*/
|
|
public function countDisabledUsersOfGroups(array $groups): int {
|
|
$queryBuilder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$queryBuilder->select($queryBuilder->createFunction('COUNT(DISTINCT ' . $queryBuilder->getColumnName('uid') . ')'))
|
|
->from('preferences', 'p')
|
|
->innerJoin('p', 'group_user', 'g', $queryBuilder->expr()->eq('p.userid', 'g.uid'))
|
|
->where($queryBuilder->expr()->eq('appid', $queryBuilder->createNamedParameter('core')))
|
|
->andWhere($queryBuilder->expr()->eq('configkey', $queryBuilder->createNamedParameter('enabled')))
|
|
->andWhere($queryBuilder->expr()->eq('configvalue', $queryBuilder->createNamedParameter('false'), IQueryBuilder::PARAM_STR))
|
|
->andWhere($queryBuilder->expr()->in('gid', $queryBuilder->createNamedParameter($groups, IQueryBuilder::PARAM_STR_ARRAY)));
|
|
|
|
$result = $queryBuilder->execute();
|
|
$count = $result->fetchOne();
|
|
$result->closeCursor();
|
|
|
|
if ($count !== false) {
|
|
$count = (int)$count;
|
|
} else {
|
|
$count = 0;
|
|
}
|
|
|
|
return $count;
|
|
}
|
|
|
|
/**
|
|
* returns how many users have logged in once
|
|
*
|
|
* @return int
|
|
* @since 11.0.0
|
|
*/
|
|
public function countSeenUsers() {
|
|
$queryBuilder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$queryBuilder->select($queryBuilder->func()->count('*'))
|
|
->from('preferences')
|
|
->where($queryBuilder->expr()->eq('appid', $queryBuilder->createNamedParameter('login')))
|
|
->andWhere($queryBuilder->expr()->eq('configkey', $queryBuilder->createNamedParameter('lastLogin')));
|
|
|
|
$query = $queryBuilder->execute();
|
|
|
|
$result = (int)$query->fetchOne();
|
|
$query->closeCursor();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @param \Closure $callback
|
|
* @psalm-param \Closure(\OCP\IUser):?bool $callback
|
|
* @since 11.0.0
|
|
*/
|
|
public function callForSeenUsers(\Closure $callback) {
|
|
$limit = 1000;
|
|
$offset = 0;
|
|
do {
|
|
$userIds = $this->getSeenUserIds($limit, $offset);
|
|
$offset += $limit;
|
|
foreach ($userIds as $userId) {
|
|
foreach ($this->backends as $backend) {
|
|
if ($backend->userExists($userId)) {
|
|
$user = $this->getUserObject($userId, $backend, false);
|
|
$return = $callback($user);
|
|
if ($return === false) {
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} while (count($userIds) >= $limit);
|
|
}
|
|
|
|
/**
|
|
* Getting all userIds that have a listLogin value requires checking the
|
|
* value in php because on oracle you cannot use a clob in a where clause,
|
|
* preventing us from doing a not null or length(value) > 0 check.
|
|
*
|
|
* @param int $limit
|
|
* @param int $offset
|
|
* @return string[] with user ids
|
|
*/
|
|
private function getSeenUserIds($limit = null, $offset = null) {
|
|
$queryBuilder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$queryBuilder->select(['userid'])
|
|
->from('preferences')
|
|
->where($queryBuilder->expr()->eq(
|
|
'appid', $queryBuilder->createNamedParameter('login'))
|
|
)
|
|
->andWhere($queryBuilder->expr()->eq(
|
|
'configkey', $queryBuilder->createNamedParameter('lastLogin'))
|
|
)
|
|
->andWhere($queryBuilder->expr()->isNotNull('configvalue')
|
|
);
|
|
|
|
if ($limit !== null) {
|
|
$queryBuilder->setMaxResults($limit);
|
|
}
|
|
if ($offset !== null) {
|
|
$queryBuilder->setFirstResult($offset);
|
|
}
|
|
$query = $queryBuilder->execute();
|
|
$result = [];
|
|
|
|
while ($row = $query->fetch()) {
|
|
$result[] = $row['userid'];
|
|
}
|
|
|
|
$query->closeCursor();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @param string $email
|
|
* @return IUser[]
|
|
* @since 9.1.0
|
|
*/
|
|
public function getByEmail($email) {
|
|
// looking for 'email' only (and not primary_mail) is intentional
|
|
$userIds = $this->config->getUsersForUserValueCaseInsensitive('settings', 'email', $email);
|
|
|
|
$users = array_map(function ($uid) {
|
|
return $this->get($uid);
|
|
}, $userIds);
|
|
|
|
return array_values(array_filter($users, function ($u) {
|
|
return ($u instanceof IUser);
|
|
}));
|
|
}
|
|
|
|
/**
|
|
* @param string $uid
|
|
* @param bool $checkDataDirectory
|
|
* @throws \InvalidArgumentException Message is an already translated string with a reason why the id is not valid
|
|
* @since 26.0.0
|
|
*/
|
|
public function validateUserId(string $uid, bool $checkDataDirectory = false): void {
|
|
$l = Server::get(IFactory::class)->get('lib');
|
|
|
|
// Check the name for bad characters
|
|
// Allowed are: "a-z", "A-Z", "0-9", spaces and "_.@-'"
|
|
if (preg_match('/[^a-zA-Z0-9 _.@\-\']/', $uid)) {
|
|
throw new \InvalidArgumentException($l->t('Only the following characters are allowed in a username:'
|
|
. ' "a-z", "A-Z", "0-9", spaces and "_.@-\'"'));
|
|
}
|
|
|
|
// No empty username
|
|
if (trim($uid) === '') {
|
|
throw new \InvalidArgumentException($l->t('A valid username must be provided'));
|
|
}
|
|
|
|
// No whitespace at the beginning or at the end
|
|
if (trim($uid) !== $uid) {
|
|
throw new \InvalidArgumentException($l->t('Username contains whitespace at the beginning or at the end'));
|
|
}
|
|
|
|
// Username only consists of 1 or 2 dots (directory traversal)
|
|
if ($uid === '.' || $uid === '..') {
|
|
throw new \InvalidArgumentException($l->t('Username must not consist of dots only'));
|
|
}
|
|
|
|
if (!$this->verifyUid($uid, $checkDataDirectory)) {
|
|
throw new \InvalidArgumentException($l->t('Username is invalid because files already exist for this user'));
|
|
}
|
|
}
|
|
|
|
private function verifyUid(string $uid, bool $checkDataDirectory = false): bool {
|
|
$appdata = 'appdata_' . $this->config->getSystemValueString('instanceid');
|
|
|
|
if (\in_array($uid, [
|
|
'.htaccess',
|
|
'files_external',
|
|
'__groupfolders',
|
|
'.ocdata',
|
|
'owncloud.log',
|
|
'nextcloud.log',
|
|
$appdata], true)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$checkDataDirectory) {
|
|
return true;
|
|
}
|
|
|
|
$dataDirectory = $this->config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data');
|
|
|
|
return !file_exists(rtrim($dataDirectory, '/') . '/' . $uid);
|
|
}
|
|
|
|
public function getDisplayNameCache(): DisplayNameCache {
|
|
return $this->displayNameCache;
|
|
}
|
|
}
|