12181aa6de
This change makes the check return a positive result when: - The instance has been configured to not use the internet AND/OR - S2S AND the appstore is disabled
270 lines
8.1 KiB
PHP
270 lines
8.1 KiB
PHP
<?php
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/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Settings\Controller;
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use GuzzleHttp\Exception\ClientException;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\Http\Client\IClientService;
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use OCP\IConfig;
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use OCP\IL10N;
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use OCP\IRequest;
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use OC_Util;
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use OCP\IURLGenerator;
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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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/**
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* @param string $AppName
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* @param IRequest $request
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* @param IConfig $config
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* @param IClientService $clientService
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* @param IURLGenerator $urlGenerator
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* @param \OC_Util $util
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* @param IL10N $l10n
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*/
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public function __construct($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 $l10n) {
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parent::__construct($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 = $l10n;
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}
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/**
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* Checks if the ownCloud server can connect to the internet using HTTPS and HTTP
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* @return bool
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*/
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private function isInternetConnectionWorking() {
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if ($this->config->getSystemValue('has_internet_connection', true) === false) {
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return false;
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}
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try {
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$client = $this->clientService->newClient();
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$client->get('https://www.owncloud.org/');
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$client->get('http://www.owncloud.org/');
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return true;
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} catch (\Exception $e) {
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return false;
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}
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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 $this->config->getSystemValue('memcache.local', null) !== null;
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}
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/**
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* Whether /dev/urandom is available to the PHP controller
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*
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* @return bool
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*/
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private function isUrandomAvailable() {
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if(@file_exists('/dev/urandom')) {
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$file = fopen('/dev/urandom', 'rb');
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if($file) {
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fclose($file);
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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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* 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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// Appstore is disabled by default in EE
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$appStoreDefault = false;
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if (\OC_Util::getEditionString() === '') {
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$appStoreDefault = true;
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}
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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', $appStoreDefault)
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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', $appStoreDefault)) {
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$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 (string) $this->l10n->t('cURL is using an outdated %s version (%s). Please update your operating system or features such as %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://www.owncloud.org/');
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$secondClient = $this->clientService->newClient();
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$secondClient->get('https://owncloud.org/');
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} catch (ClientException $e) {
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if($e->getResponse()->getStatusCode() === 400) {
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return (string) $this->l10n->t('cURL is using an outdated %s version (%s). Please update your operating system or features such as %s will not work reliably.', ['NSS', $versionString, $features]);
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}
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}
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}
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return '';
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}
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/**
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* Whether the php version is still supported (at time of release)
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* according to: https://secure.php.net/supported-versions.php
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*
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* @return array
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*/
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private function isPhpSupported() {
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$eol = false;
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//PHP 5.4 is EOL on 14 Sep 2015
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if (version_compare(PHP_VERSION, '5.5.0') === -1) {
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$eol = true;
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}
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return ['eol' => $eol, 'version' => PHP_VERSION];
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}
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/**
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* Check if the reverse proxy configuration is working as expected
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*
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* @return bool
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*/
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private function forwardedForHeadersWorking() {
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$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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* @return DataResponse
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*/
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public function check() {
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return new DataResponse(
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[
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'serverHasInternetConnection' => $this->isInternetConnectionWorking(),
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'dataDirectoryProtected' => $this->util->isHtaccessWorking($this->config),
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'isMemcacheConfigured' => $this->isMemcacheConfigured(),
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'memcacheDocs' => $this->urlGenerator->linkToDocs('admin-performance'),
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'isUrandomAvailable' => $this->isUrandomAvailable(),
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'securityDocs' => $this->urlGenerator->linkToDocs('admin-security'),
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'isUsedTlsLibOutdated' => $this->isUsedTlsLibOutdated(),
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'phpSupported' => $this->isPhpSupported(),
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'forwardedForHeadersWorking' => $this->forwardedForHeadersWorking(),
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'reverseProxyDocs' => $this->urlGenerator->linkToDocs('admin-reverse-proxy'),
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'isCorrectMemcachedPHPModuleInstalled' => $this->isCorrectMemcachedPHPModuleInstalled()
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]
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);
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}
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}
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