547 lines
14 KiB
PHP
547 lines
14 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 Schaefer "christophł@wolkesicher.de"
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* @author Christoph Wurst <christoph@owncloud.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Julius Haertl <jus@bitgrid.net>
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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 Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.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\App;
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use OC\AppConfig;
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use OCP\App\AppPathNotFoundException;
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use OCP\App\IAppManager;
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use OCP\App\ManagerEvent;
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use OCP\ICacheFactory;
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use OCP\IGroup;
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use OCP\IGroupManager;
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use OCP\ILogger;
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use OCP\IUser;
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use OCP\IUserSession;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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class AppManager implements IAppManager {
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/**
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* Apps with these types can not be enabled for certain groups only
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* @var string[]
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*/
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protected $protectedAppTypes = [
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'filesystem',
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'prelogin',
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'authentication',
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'logging',
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'prevent_group_restriction',
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];
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/** @var IUserSession */
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private $userSession;
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/** @var AppConfig */
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private $appConfig;
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/** @var IGroupManager */
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private $groupManager;
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/** @var ICacheFactory */
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private $memCacheFactory;
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/** @var EventDispatcherInterface */
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private $dispatcher;
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/** @var ILogger */
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private $logger;
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/** @var string[] $appId => $enabled */
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private $installedAppsCache;
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/** @var string[] */
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private $shippedApps;
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/** @var string[] */
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private $alwaysEnabled;
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/** @var array */
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private $appInfos = [];
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/** @var array */
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private $appVersions = [];
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/** @var array */
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private $autoDisabledApps = [];
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/**
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* @param IUserSession $userSession
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* @param AppConfig $appConfig
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* @param IGroupManager $groupManager
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* @param ICacheFactory $memCacheFactory
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* @param EventDispatcherInterface $dispatcher
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*/
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public function __construct(IUserSession $userSession,
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AppConfig $appConfig,
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IGroupManager $groupManager,
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ICacheFactory $memCacheFactory,
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EventDispatcherInterface $dispatcher,
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ILogger $logger) {
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$this->userSession = $userSession;
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$this->appConfig = $appConfig;
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$this->groupManager = $groupManager;
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$this->memCacheFactory = $memCacheFactory;
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$this->dispatcher = $dispatcher;
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$this->logger = $logger;
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}
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/**
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* @return string[] $appId => $enabled
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*/
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private function getInstalledAppsValues() {
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if (!$this->installedAppsCache) {
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$values = $this->appConfig->getValues(false, 'enabled');
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$alwaysEnabledApps = $this->getAlwaysEnabledApps();
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foreach($alwaysEnabledApps as $appId) {
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$values[$appId] = 'yes';
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}
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$this->installedAppsCache = array_filter($values, function ($value) {
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return $value !== 'no';
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});
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ksort($this->installedAppsCache);
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}
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return $this->installedAppsCache;
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}
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/**
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* List all installed apps
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*
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* @return string[]
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*/
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public function getInstalledApps() {
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return array_keys($this->getInstalledAppsValues());
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}
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/**
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* List all apps enabled for a user
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*
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* @param \OCP\IUser $user
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* @return string[]
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*/
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public function getEnabledAppsForUser(IUser $user) {
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$apps = $this->getInstalledAppsValues();
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$appsForUser = array_filter($apps, function ($enabled) use ($user) {
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return $this->checkAppForUser($enabled, $user);
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});
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return array_keys($appsForUser);
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}
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/**
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* @param \OCP\IGroup $group
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* @return array
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*/
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public function getEnabledAppsForGroup(IGroup $group): array {
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$apps = $this->getInstalledAppsValues();
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$appsForGroups = array_filter($apps, function ($enabled) use ($group) {
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return $this->checkAppForGroups($enabled, $group);
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});
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return array_keys($appsForGroups);
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}
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/**
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* @return array
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*/
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public function getAutoDisabledApps(): array {
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return $this->autoDisabledApps;
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}
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/**
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* @param string $appId
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* @return array
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*/
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public function getAppRestriction(string $appId): array {
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$values = $this->getInstalledAppsValues();
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if (!isset($values[$appId])) {
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return [];
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}
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if ($values[$appId] === 'yes' || $values[$appId] === 'no') {
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return [];
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}
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return json_decode($values[$appId]);
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}
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/**
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* Check if an app is enabled for user
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*
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* @param string $appId
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* @param \OCP\IUser $user (optional) if not defined, the currently logged in user will be used
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* @return bool
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*/
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public function isEnabledForUser($appId, $user = null) {
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if ($this->isAlwaysEnabled($appId)) {
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return true;
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}
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if ($user === null) {
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$user = $this->userSession->getUser();
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}
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$installedApps = $this->getInstalledAppsValues();
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if (isset($installedApps[$appId])) {
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return $this->checkAppForUser($installedApps[$appId], $user);
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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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* @param string $enabled
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* @param IUser $user
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* @return bool
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*/
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private function checkAppForUser($enabled, $user) {
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if ($enabled === 'yes') {
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return true;
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} elseif ($user === null) {
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return false;
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} else {
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if(empty($enabled)){
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return false;
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}
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$groupIds = json_decode($enabled);
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if (!is_array($groupIds)) {
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$jsonError = json_last_error();
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$this->logger->warning('AppManger::checkAppForUser - can\'t decode group IDs: ' . print_r($enabled, true) . ' - json error code: ' . $jsonError, ['app' => 'lib']);
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return false;
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}
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$userGroups = $this->groupManager->getUserGroupIds($user);
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foreach ($userGroups as $groupId) {
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if (in_array($groupId, $groupIds, true)) {
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return true;
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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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/**
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* @param string $enabled
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* @param IGroup $group
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* @return bool
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*/
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private function checkAppForGroups(string $enabled, IGroup $group): bool {
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if ($enabled === 'yes') {
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return true;
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} elseif ($group === null) {
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return false;
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} else {
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if (empty($enabled)) {
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return false;
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}
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$groupIds = json_decode($enabled);
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if (!is_array($groupIds)) {
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$jsonError = json_last_error();
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$this->logger->warning('AppManger::checkAppForUser - can\'t decode group IDs: ' . print_r($enabled, true) . ' - json error code: ' . $jsonError, ['app' => 'lib']);
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return false;
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}
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return in_array($group->getGID(), $groupIds);
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}
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}
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/**
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* Check if an app is enabled in the instance
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*
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* Notice: This actually checks if the app is enabled and not only if it is installed.
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*
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* @param string $appId
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* @param \OCP\IGroup[]|String[] $groups
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* @return bool
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*/
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public function isInstalled($appId) {
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$installedApps = $this->getInstalledAppsValues();
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return isset($installedApps[$appId]);
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}
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/**
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* Enable an app for every user
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*
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* @param string $appId
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* @throws AppPathNotFoundException
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*/
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public function enableApp($appId) {
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// Check if app exists
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$this->getAppPath($appId);
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$this->installedAppsCache[$appId] = 'yes';
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$this->appConfig->setValue($appId, 'enabled', 'yes');
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$this->dispatcher->dispatch(ManagerEvent::EVENT_APP_ENABLE, new ManagerEvent(
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ManagerEvent::EVENT_APP_ENABLE, $appId
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));
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$this->clearAppsCache();
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}
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/**
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* Whether a list of types contains a protected app type
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*
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* @param string[] $types
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* @return bool
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*/
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public function hasProtectedAppType($types) {
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if (empty($types)) {
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return false;
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}
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$protectedTypes = array_intersect($this->protectedAppTypes, $types);
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return !empty($protectedTypes);
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}
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/**
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* Enable an app only for specific groups
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*
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* @param string $appId
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* @param \OCP\IGroup[] $groups
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* @throws \InvalidArgumentException if app can't be enabled for groups
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* @throws AppPathNotFoundException
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*/
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public function enableAppForGroups($appId, $groups) {
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// Check if app exists
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$this->getAppPath($appId);
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$info = $this->getAppInfo($appId);
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if (!empty($info['types']) && $this->hasProtectedAppType($info['types'])) {
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throw new \InvalidArgumentException("$appId can't be enabled for groups.");
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}
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$groupIds = array_map(function ($group) {
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/** @var \OCP\IGroup $group */
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return ($group instanceof IGroup)
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? $group->getGID()
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: $group;
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}, $groups);
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$this->installedAppsCache[$appId] = json_encode($groupIds);
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$this->appConfig->setValue($appId, 'enabled', json_encode($groupIds));
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$this->dispatcher->dispatch(ManagerEvent::EVENT_APP_ENABLE_FOR_GROUPS, new ManagerEvent(
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ManagerEvent::EVENT_APP_ENABLE_FOR_GROUPS, $appId, $groups
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));
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$this->clearAppsCache();
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}
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/**
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* Disable an app for every user
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*
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* @param string $appId
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* @param bool $automaticDisabled
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* @throws \Exception if app can't be disabled
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*/
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public function disableApp($appId, $automaticDisabled = false) {
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if ($this->isAlwaysEnabled($appId)) {
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throw new \Exception("$appId can't be disabled.");
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}
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if ($automaticDisabled) {
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$this->autoDisabledApps[] = $appId;
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}
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unset($this->installedAppsCache[$appId]);
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$this->appConfig->setValue($appId, 'enabled', 'no');
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// run uninstall steps
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$appData = $this->getAppInfo($appId);
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if (!is_null($appData)) {
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\OC_App::executeRepairSteps($appId, $appData['repair-steps']['uninstall']);
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}
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$this->dispatcher->dispatch(ManagerEvent::EVENT_APP_DISABLE, new ManagerEvent(
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ManagerEvent::EVENT_APP_DISABLE, $appId
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));
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$this->clearAppsCache();
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}
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/**
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* Get the directory for the given app.
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*
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* @param string $appId
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* @return string
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* @throws AppPathNotFoundException if app folder can't be found
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*/
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public function getAppPath($appId) {
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$appPath = \OC_App::getAppPath($appId);
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if($appPath === false) {
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throw new AppPathNotFoundException('Could not find path for ' . $appId);
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}
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return $appPath;
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}
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/**
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* Clear the cached list of apps when enabling/disabling an app
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*/
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public function clearAppsCache() {
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$settingsMemCache = $this->memCacheFactory->createDistributed('settings');
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$settingsMemCache->clear('listApps');
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$this->appInfos = [];
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}
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/**
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* Returns a list of apps that need upgrade
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*
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* @param string $version Nextcloud version as array of version components
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* @return array list of app info from apps that need an upgrade
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*
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* @internal
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*/
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public function getAppsNeedingUpgrade($version) {
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$appsToUpgrade = [];
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$apps = $this->getInstalledApps();
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foreach ($apps as $appId) {
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$appInfo = $this->getAppInfo($appId);
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$appDbVersion = $this->appConfig->getValue($appId, 'installed_version');
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if ($appDbVersion
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&& isset($appInfo['version'])
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&& version_compare($appInfo['version'], $appDbVersion, '>')
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&& \OC_App::isAppCompatible($version, $appInfo)
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) {
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$appsToUpgrade[] = $appInfo;
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}
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}
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return $appsToUpgrade;
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}
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/**
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* Returns the app information from "appinfo/info.xml".
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*
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* @param string $appId app id
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*
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* @param bool $path
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* @param null $lang
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* @return array|null app info
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*/
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public function getAppInfo(string $appId, bool $path = false, $lang = null) {
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if ($path) {
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$file = $appId;
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} else {
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if ($lang === null && isset($this->appInfos[$appId])) {
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return $this->appInfos[$appId];
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}
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try {
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$appPath = $this->getAppPath($appId);
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} catch (AppPathNotFoundException $e) {
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return null;
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}
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$file = $appPath . '/appinfo/info.xml';
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}
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$parser = new InfoParser($this->memCacheFactory->createLocal('core.appinfo'));
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$data = $parser->parse($file);
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if (is_array($data)) {
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$data = \OC_App::parseAppInfo($data, $lang);
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}
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if ($lang === null) {
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$this->appInfos[$appId] = $data;
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}
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return $data;
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}
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public function getAppVersion(string $appId, bool $useCache = true): string {
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if(!$useCache || !isset($this->appVersions[$appId])) {
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$appInfo = $this->getAppInfo($appId);
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$this->appVersions[$appId] = ($appInfo !== null && isset($appInfo['version'])) ? $appInfo['version'] : '0';
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}
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return $this->appVersions[$appId];
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}
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/**
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* Returns a list of apps incompatible with the given version
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*
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* @param string $version Nextcloud version as array of version components
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*
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* @return array list of app info from incompatible apps
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*
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* @internal
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*/
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public function getIncompatibleApps(string $version): array {
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$apps = $this->getInstalledApps();
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$incompatibleApps = array();
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foreach ($apps as $appId) {
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$info = $this->getAppInfo($appId);
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if ($info === null) {
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$incompatibleApps[] = ['id' => $appId];
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} else if (!\OC_App::isAppCompatible($version, $info)) {
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$incompatibleApps[] = $info;
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}
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}
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return $incompatibleApps;
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}
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/**
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* @inheritdoc
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* In case you change this method, also change \OC\App\CodeChecker\InfoChecker::isShipped()
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*/
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public function isShipped($appId) {
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$this->loadShippedJson();
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return in_array($appId, $this->shippedApps, true);
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}
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private function isAlwaysEnabled($appId) {
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$alwaysEnabled = $this->getAlwaysEnabledApps();
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return in_array($appId, $alwaysEnabled, true);
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}
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/**
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* In case you change this method, also change \OC\App\CodeChecker\InfoChecker::loadShippedJson()
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* @throws \Exception
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*/
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private function loadShippedJson() {
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if ($this->shippedApps === null) {
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$shippedJson = \OC::$SERVERROOT . '/core/shipped.json';
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if (!file_exists($shippedJson)) {
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throw new \Exception("File not found: $shippedJson");
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}
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$content = json_decode(file_get_contents($shippedJson), true);
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$this->shippedApps = $content['shippedApps'];
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$this->alwaysEnabled = $content['alwaysEnabled'];
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}
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}
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/**
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* @inheritdoc
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*/
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public function getAlwaysEnabledApps() {
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$this->loadShippedJson();
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return $this->alwaysEnabled;
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}
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}
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