ea21aa3f7a
Signed-off-by: Joas Schilling <coding@schilljs.com>
630 lines
19 KiB
PHP
630 lines
19 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 Derek <derek.kelly27@gmail.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Ko- <k.stoffelen@cs.ru.nl>
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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 McCorkell <robin@mccorkell.me.uk>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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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\Settings\Controller;
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use bantu\IniGetWrapper\IniGetWrapper;
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use DirectoryIterator;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Platforms\SqlitePlatform;
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use GuzzleHttp\Exception\ClientException;
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use OC;
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use OC\AppFramework\Http;
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use OC\DB\Connection;
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use OC\DB\MissingIndexInformation;
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use OC\IntegrityCheck\Checker;
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use OC\Lock\NoopLockingProvider;
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use OC\MemoryInfo;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http\DataDisplayResponse;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\AppFramework\Http\RedirectResponse;
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use OCP\Http\Client\IClientService;
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use OCP\IConfig;
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use OCP\IDateTimeFormatter;
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use OCP\IDBConnection;
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use OCP\IL10N;
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use OCP\ILogger;
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use OCP\IRequest;
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use OCP\IURLGenerator;
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use OCP\Lock\ILockingProvider;
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use OCP\Security\ISecureRandom;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\EventDispatcher\GenericEvent;
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/**
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* @package OC\Settings\Controller
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*/
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class CheckSetupController extends Controller {
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/** @var IConfig */
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private $config;
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/** @var IClientService */
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private $clientService;
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/** @var \OC_Util */
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private $util;
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/** @var IURLGenerator */
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private $urlGenerator;
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/** @var IL10N */
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private $l10n;
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/** @var Checker */
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private $checker;
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/** @var ILogger */
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private $logger;
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/** @var EventDispatcherInterface */
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private $dispatcher;
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/** @var IDBConnection|Connection */
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private $db;
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/** @var ILockingProvider */
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private $lockingProvider;
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/** @var IDateTimeFormatter */
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private $dateTimeFormatter;
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/** @var MemoryInfo */
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private $memoryInfo;
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/** @var ISecureRandom */
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private $secureRandom;
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public function __construct($AppName,
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IRequest $request,
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IConfig $config,
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IClientService $clientService,
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IURLGenerator $urlGenerator,
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\OC_Util $util,
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IL10N $l10n,
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Checker $checker,
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ILogger $logger,
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EventDispatcherInterface $dispatcher,
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IDBConnection $db,
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ILockingProvider $lockingProvider,
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IDateTimeFormatter $dateTimeFormatter,
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MemoryInfo $memoryInfo,
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ISecureRandom $secureRandom) {
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parent::__construct($AppName, $request);
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$this->config = $config;
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$this->clientService = $clientService;
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$this->util = $util;
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$this->urlGenerator = $urlGenerator;
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$this->l10n = $l10n;
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$this->checker = $checker;
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$this->logger = $logger;
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$this->dispatcher = $dispatcher;
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$this->db = $db;
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$this->lockingProvider = $lockingProvider;
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$this->dateTimeFormatter = $dateTimeFormatter;
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$this->memoryInfo = $memoryInfo;
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$this->secureRandom = $secureRandom;
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}
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/**
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* Checks if the server can connect to the internet using HTTPS and HTTP
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* @return bool
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*/
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private function isInternetConnectionWorking() {
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if ($this->config->getSystemValue('has_internet_connection', true) === false) {
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return false;
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}
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$siteArray = ['www.nextcloud.com',
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'www.startpage.com',
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'www.eff.org',
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'www.edri.org',
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];
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foreach($siteArray as $site) {
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if ($this->isSiteReachable($site)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Checks if the Nextcloud server can connect to a specific URL using both HTTPS and HTTP
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* @return bool
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*/
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private function isSiteReachable($sitename) {
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$httpSiteName = 'http://' . $sitename . '/';
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$httpsSiteName = 'https://' . $sitename . '/';
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try {
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$client = $this->clientService->newClient();
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$client->get($httpSiteName);
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$client->get($httpsSiteName);
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} catch (\Exception $e) {
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$this->logger->logException($e, ['app' => 'internet_connection_check']);
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return false;
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}
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return true;
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}
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/**
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* Checks whether a local memcache is installed or not
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* @return bool
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*/
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private function isMemcacheConfigured() {
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return $this->config->getSystemValue('memcache.local', null) !== null;
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}
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/**
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* Whether PHP can generate "secure" pseudorandom integers
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*
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* @return bool
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*/
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private function isRandomnessSecure() {
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try {
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$this->secureRandom->generate(1);
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} catch (\Exception $ex) {
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return false;
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}
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return true;
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}
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/**
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* Public for the sake of unit-testing
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*
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* @return array
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*/
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protected function getCurlVersion() {
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return curl_version();
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}
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/**
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* Check if the used SSL lib is outdated. Older OpenSSL and NSS versions do
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* have multiple bugs which likely lead to problems in combination with
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* functionality required by ownCloud such as SNI.
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*
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* @link https://github.com/owncloud/core/issues/17446#issuecomment-122877546
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* @link https://bugzilla.redhat.com/show_bug.cgi?id=1241172
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* @return string
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*/
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private function isUsedTlsLibOutdated() {
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// Don't run check when:
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// 1. Server has `has_internet_connection` set to false
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// 2. AppStore AND S2S is disabled
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if(!$this->config->getSystemValue('has_internet_connection', true)) {
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return '';
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}
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if(!$this->config->getSystemValue('appstoreenabled', true)
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&& $this->config->getAppValue('files_sharing', 'outgoing_server2server_share_enabled', 'yes') === 'no'
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&& $this->config->getAppValue('files_sharing', 'incoming_server2server_share_enabled', 'yes') === 'no') {
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return '';
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}
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$versionString = $this->getCurlVersion();
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if(isset($versionString['ssl_version'])) {
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$versionString = $versionString['ssl_version'];
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} else {
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return '';
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}
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$features = (string)$this->l10n->t('installing and updating apps via the app store or Federated Cloud Sharing');
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if(!$this->config->getSystemValue('appstoreenabled', true)) {
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$features = (string)$this->l10n->t('Federated Cloud Sharing');
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}
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// Check if at least OpenSSL after 1.01d or 1.0.2b
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if(strpos($versionString, 'OpenSSL/') === 0) {
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$majorVersion = substr($versionString, 8, 5);
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$patchRelease = substr($versionString, 13, 6);
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if(($majorVersion === '1.0.1' && ord($patchRelease) < ord('d')) ||
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($majorVersion === '1.0.2' && ord($patchRelease) < ord('b'))) {
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return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['OpenSSL', $versionString, $features]);
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}
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}
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// Check if NSS and perform heuristic check
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if(strpos($versionString, 'NSS/') === 0) {
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try {
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$firstClient = $this->clientService->newClient();
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$firstClient->get('https://nextcloud.com/');
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$secondClient = $this->clientService->newClient();
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$secondClient->get('https://nextcloud.com/');
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} catch (ClientException $e) {
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if($e->getResponse()->getStatusCode() === 400) {
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return $this->l10n->t('cURL is using an outdated %1$s version (%2$s). Please update your operating system or features such as %3$s will not work reliably.', ['NSS', $versionString, $features]);
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}
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}
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}
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return '';
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}
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/**
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* Whether the version is outdated
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*
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* @return bool
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*/
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protected function isPhpOutdated() {
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if (version_compare(PHP_VERSION, '7.0.0', '<')) {
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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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* Whether the php version is still supported (at time of release)
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* according to: https://secure.php.net/supported-versions.php
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*
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* @return array
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*/
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private function isPhpSupported() {
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return ['eol' => $this->isPhpOutdated(), 'version' => PHP_VERSION];
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}
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/**
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* Check if the reverse proxy configuration is working as expected
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*
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* @return bool
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*/
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private function forwardedForHeadersWorking() {
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$trustedProxies = $this->config->getSystemValue('trusted_proxies', []);
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$remoteAddress = $this->request->getRemoteAddress();
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if (is_array($trustedProxies) && in_array($remoteAddress, $trustedProxies)) {
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return false;
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}
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// either not enabled or working correctly
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return true;
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}
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/**
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* Checks if the correct memcache module for PHP is installed. Only
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* fails if memcached is configured and the working module is not installed.
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*
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* @return bool
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*/
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private function isCorrectMemcachedPHPModuleInstalled() {
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if ($this->config->getSystemValue('memcache.distributed', null) !== '\OC\Memcache\Memcached') {
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return true;
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}
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// there are two different memcached modules for PHP
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// we only support memcached and not memcache
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// https://code.google.com/p/memcached/wiki/PHPClientComparison
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return !(!extension_loaded('memcached') && extension_loaded('memcache'));
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}
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/**
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* Checks if set_time_limit is not disabled.
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*
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* @return bool
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*/
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private function isSettimelimitAvailable() {
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if (function_exists('set_time_limit')
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&& strpos(@ini_get('disable_functions'), 'set_time_limit') === 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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* @return RedirectResponse
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*/
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public function rescanFailedIntegrityCheck() {
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$this->checker->runInstanceVerification();
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return new RedirectResponse(
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$this->urlGenerator->linkToRoute('settings.AdminSettings.index')
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);
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}
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/**
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* @NoCSRFRequired
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* @return DataResponse
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*/
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public function getFailedIntegrityCheckFiles() {
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if(!$this->checker->isCodeCheckEnforced()) {
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return new DataDisplayResponse('Integrity checker has been disabled. Integrity cannot be verified.');
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}
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$completeResults = $this->checker->getResults();
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if(!empty($completeResults)) {
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$formattedTextResponse = 'Technical information
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=====================
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The following list covers which files have failed the integrity check. Please read
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the previous linked documentation to learn more about the errors and how to fix
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them.
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Results
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=======
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';
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foreach($completeResults as $context => $contextResult) {
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$formattedTextResponse .= "- $context\n";
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foreach($contextResult as $category => $result) {
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$formattedTextResponse .= "\t- $category\n";
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if($category !== 'EXCEPTION') {
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foreach ($result as $key => $results) {
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$formattedTextResponse .= "\t\t- $key\n";
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}
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} else {
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foreach ($result as $key => $results) {
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$formattedTextResponse .= "\t\t- $results\n";
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}
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}
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}
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}
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$formattedTextResponse .= '
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Raw output
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==========
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';
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$formattedTextResponse .= print_r($completeResults, true);
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} else {
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$formattedTextResponse = 'No errors have been found.';
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}
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$response = new DataDisplayResponse(
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$formattedTextResponse,
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Http::STATUS_OK,
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[
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'Content-Type' => 'text/plain',
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]
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);
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return $response;
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}
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/**
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* Checks whether a PHP opcache is properly set up
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* @return bool
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*/
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protected function isOpcacheProperlySetup() {
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$iniWrapper = new IniGetWrapper();
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if(!$iniWrapper->getBool('opcache.enable')) {
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return false;
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}
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if(!$iniWrapper->getBool('opcache.save_comments')) {
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return false;
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}
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if(!$iniWrapper->getBool('opcache.enable_cli')) {
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return false;
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}
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if($iniWrapper->getNumeric('opcache.max_accelerated_files') < 10000) {
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return false;
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}
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if($iniWrapper->getNumeric('opcache.memory_consumption') < 128) {
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return false;
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}
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if($iniWrapper->getNumeric('opcache.interned_strings_buffer') < 8) {
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return false;
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}
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return true;
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}
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/**
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* Check if the required FreeType functions are present
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* @return bool
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*/
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protected function hasFreeTypeSupport() {
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return function_exists('imagettfbbox') && function_exists('imagettftext');
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}
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protected function hasMissingIndexes(): array {
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$indexInfo = new MissingIndexInformation();
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// Dispatch event so apps can also hint for pending index updates if needed
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$event = new GenericEvent($indexInfo);
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$this->dispatcher->dispatch(IDBConnection::CHECK_MISSING_INDEXES_EVENT, $event);
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return $indexInfo->getListOfMissingIndexes();
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}
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/**
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* warn if outdated version of a memcache module is used
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*/
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protected function getOutdatedCaches(): array {
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$caches = [
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'apcu' => ['name' => 'APCu', 'version' => '4.0.6'],
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'redis' => ['name' => 'Redis', 'version' => '2.2.5'],
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];
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$outdatedCaches = [];
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foreach ($caches as $php_module => $data) {
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$isOutdated = extension_loaded($php_module) && version_compare(phpversion($php_module), $data['version'], '<');
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if ($isOutdated) {
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$outdatedCaches[] = $data;
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}
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}
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return $outdatedCaches;
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}
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protected function isSqliteUsed() {
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return strpos($this->config->getSystemValue('dbtype'), 'sqlite') !== false;
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}
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protected function isReadOnlyConfig(): bool {
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return \OC_Helper::isReadOnlyConfigEnabled();
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}
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protected function hasValidTransactionIsolationLevel(): bool {
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try {
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if ($this->db->getDatabasePlatform() instanceof SqlitePlatform) {
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return true;
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}
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return $this->db->getTransactionIsolation() === Connection::TRANSACTION_READ_COMMITTED;
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} catch (DBALException $e) {
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// ignore
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}
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return true;
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}
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protected function hasFileinfoInstalled(): bool {
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return \OC_Util::fileInfoLoaded();
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}
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protected function hasWorkingFileLocking(): bool {
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return !($this->lockingProvider instanceof NoopLockingProvider);
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}
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protected function getSuggestedOverwriteCliURL(): string {
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$suggestedOverwriteCliUrl = '';
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if ($this->config->getSystemValue('overwrite.cli.url', '') === '') {
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$suggestedOverwriteCliUrl = $this->request->getServerProtocol() . '://' . $this->request->getInsecureServerHost() . \OC::$WEBROOT;
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if (!$this->config->getSystemValue('config_is_read_only', false)) {
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// Set the overwrite URL when it was not set yet.
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$this->config->setSystemValue('overwrite.cli.url', $suggestedOverwriteCliUrl);
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$suggestedOverwriteCliUrl = '';
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}
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}
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return $suggestedOverwriteCliUrl;
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}
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protected function getLastCronInfo(): array {
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$lastCronRun = $this->config->getAppValue('core', 'lastcron', 0);
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return [
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'diffInSeconds' => time() - $lastCronRun,
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'relativeTime' => $this->dateTimeFormatter->formatTimeSpan($lastCronRun),
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'backgroundJobsUrl' => $this->urlGenerator->linkToRoute('settings.AdminSettings.index', ['section' => 'server']) . '#backgroundjobs',
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];
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}
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protected function getCronErrors() {
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$errors = json_decode($this->config->getAppValue('core', 'cronErrors', ''), true);
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if (is_array($errors)) {
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return $errors;
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}
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return [];
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}
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protected function isPhpMailerUsed(): bool {
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return $this->config->getSystemValue('mail_smtpmode', 'php') === 'php';
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}
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protected function hasOpcacheLoaded(): bool {
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return function_exists('opcache_get_status');
|
|
}
|
|
|
|
/**
|
|
* Iterates through the configured app roots and
|
|
* tests if the subdirectories are owned by the same user than the current user.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getAppDirsWithDifferentOwner(): array {
|
|
$currentUser = posix_getuid();
|
|
$appDirsWithDifferentOwner = [[]];
|
|
|
|
foreach (OC::$APPSROOTS as $appRoot) {
|
|
if ($appRoot['writable'] === true) {
|
|
$appDirsWithDifferentOwner[] = $this->getAppDirsWithDifferentOwnerForAppRoot($currentUser, $appRoot);
|
|
}
|
|
}
|
|
|
|
$appDirsWithDifferentOwner = array_merge(...$appDirsWithDifferentOwner);
|
|
sort($appDirsWithDifferentOwner);
|
|
|
|
return $appDirsWithDifferentOwner;
|
|
}
|
|
|
|
/**
|
|
* Tests if the directories for one apps directory are writable by the current user.
|
|
*
|
|
* @param int $currentUser The current user
|
|
* @param array $appRoot The app root config
|
|
* @return string[] The none writable directory paths inside the app root
|
|
*/
|
|
private function getAppDirsWithDifferentOwnerForAppRoot(int $currentUser, array $appRoot): array {
|
|
$appDirsWithDifferentOwner = [];
|
|
$appsPath = $appRoot['path'];
|
|
$appsDir = new DirectoryIterator($appRoot['path']);
|
|
|
|
foreach ($appsDir as $fileInfo) {
|
|
if ($fileInfo->isDir() && !$fileInfo->isDot()) {
|
|
$absAppPath = $appsPath . DIRECTORY_SEPARATOR . $fileInfo->getFilename();
|
|
$appDirUser = fileowner($absAppPath);
|
|
if ($appDirUser !== $currentUser) {
|
|
$appDirsWithDifferentOwner[] = $absAppPath;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $appDirsWithDifferentOwner;
|
|
}
|
|
|
|
/**
|
|
* @return DataResponse
|
|
*/
|
|
public function check() {
|
|
return new DataResponse(
|
|
[
|
|
'isGetenvServerWorking' => !empty(getenv('PATH')),
|
|
'isReadOnlyConfig' => $this->isReadOnlyConfig(),
|
|
'hasValidTransactionIsolationLevel' => $this->hasValidTransactionIsolationLevel(),
|
|
'outdatedCaches' => $this->getOutdatedCaches(),
|
|
'hasFileinfoInstalled' => $this->hasFileinfoInstalled(),
|
|
'hasWorkingFileLocking' => $this->hasWorkingFileLocking(),
|
|
'suggestedOverwriteCliURL' => $this->getSuggestedOverwriteCliURL(),
|
|
'cronInfo' => $this->getLastCronInfo(),
|
|
'cronErrors' => $this->getCronErrors(),
|
|
'serverHasInternetConnection' => $this->isInternetConnectionWorking(),
|
|
'isMemcacheConfigured' => $this->isMemcacheConfigured(),
|
|
'memcacheDocs' => $this->urlGenerator->linkToDocs('admin-performance'),
|
|
'isRandomnessSecure' => $this->isRandomnessSecure(),
|
|
'securityDocs' => $this->urlGenerator->linkToDocs('admin-security'),
|
|
'isUsedTlsLibOutdated' => $this->isUsedTlsLibOutdated(),
|
|
'phpSupported' => $this->isPhpSupported(),
|
|
'forwardedForHeadersWorking' => $this->forwardedForHeadersWorking(),
|
|
'reverseProxyDocs' => $this->urlGenerator->linkToDocs('admin-reverse-proxy'),
|
|
'isCorrectMemcachedPHPModuleInstalled' => $this->isCorrectMemcachedPHPModuleInstalled(),
|
|
'hasPassedCodeIntegrityCheck' => $this->checker->hasPassedCheck(),
|
|
'codeIntegrityCheckerDocumentation' => $this->urlGenerator->linkToDocs('admin-code-integrity'),
|
|
'isOpcacheProperlySetup' => $this->isOpcacheProperlySetup(),
|
|
'hasOpcacheLoaded' => $this->hasOpcacheLoaded(),
|
|
'phpOpcacheDocumentation' => $this->urlGenerator->linkToDocs('admin-php-opcache'),
|
|
'isSettimelimitAvailable' => $this->isSettimelimitAvailable(),
|
|
'hasFreeTypeSupport' => $this->hasFreeTypeSupport(),
|
|
'missingIndexes' => $this->hasMissingIndexes(),
|
|
'isSqliteUsed' => $this->isSqliteUsed(),
|
|
'databaseConversionDocumentation' => $this->urlGenerator->linkToDocs('admin-db-conversion'),
|
|
'isPhpMailerUsed' => $this->isPhpMailerUsed(),
|
|
'mailSettingsDocumentation' => $this->urlGenerator->getAbsoluteURL('index.php/settings/admin'),
|
|
'isMemoryLimitSufficient' => $this->memoryInfo->isMemoryLimitSufficient(),
|
|
'appDirsWithDifferentOwner' => $this->getAppDirsWithDifferentOwner(),
|
|
]
|
|
);
|
|
}
|
|
}
|