nextcloud/settings/controller/checksetupcontroller.php

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<?php
/**
* @author Lukas Reschke <lukas@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Settings\Controller;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use OCP\IRequest;
use OC_Util;
use OCP\IURLGenerator;
/**
* @package OC\Settings\Controller
*/
class CheckSetupController extends Controller {
/** @var IConfig */
private $config;
/** @var IClientService */
private $clientService;
/** @var \OC_Util */
private $util;
/** @var IURLGenerator */
private $urlGenerator;
/**
* @param string $AppName
* @param IRequest $request
* @param IConfig $config
* @param IClientService $clientService
* @param IURLGenerator $urlGenerator
* @param \OC_Util $util
*/
public function __construct($AppName,
IRequest $request,
IConfig $config,
IClientService $clientService,
IURLGenerator $urlGenerator,
\OC_Util $util) {
parent::__construct($AppName, $request);
$this->config = $config;
$this->clientService = $clientService;
$this->util = $util;
$this->urlGenerator = $urlGenerator;
}
/**
* Checks if the ownCloud server can connect to the internet using HTTPS and HTTP
* @return bool
*/
private function isInternetConnectionWorking() {
if ($this->config->getSystemValue('has_internet_connection', true) === false) {
return false;
}
try {
$client = $this->clientService->newClient();
$client->get('https://www.owncloud.org/');
$client->get('http://www.owncloud.org/');
return true;
} catch (\Exception $e) {
return false;
}
}
/**
* Checks whether a local memcache is installed or not
* @return bool
*/
private function isMemcacheConfigured() {
return $this->config->getSystemValue('memcache.local', null) !== null;
}
/**
* Whether /dev/urandom is available to the PHP controller
*
* @return bool
*/
private function isUrandomAvailable() {
if(@file_exists('/dev/urandom')) {
$file = fopen('/dev/urandom', 'rb');
if($file) {
fclose($file);
return true;
}
}
return false;
}
/**
* @return DataResponse
*/
public function check() {
return new DataResponse(
[
'serverHasInternetConnection' => $this->isInternetConnectionWorking(),
'dataDirectoryProtected' => $this->util->isHtaccessWorking($this->config),
'isMemcacheConfigured' => $this->isMemcacheConfigured(),
'memcacheDocs' => $this->urlGenerator->linkToDocs('admin-performance'),
'isUrandomAvailable' => $this->isUrandomAvailable(),
'securityDocs' => $this->urlGenerator->linkToDocs('admin-security'),
]
);
}
}