2015-11-10 12:50:59 +03:00
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<?php
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/**
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2016-05-26 20:56:05 +03:00
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* @author Björn Schießle <bjoern@schiessle.org>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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2016-01-12 17:02:16 +03:00
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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2015-11-10 12:50:59 +03:00
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*
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2016-01-12 17:02:16 +03:00
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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2015-11-10 12:50:59 +03:00
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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 OCA\Federation\BackgroundJob;
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2015-11-19 13:48:21 +03:00
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use GuzzleHttp\Exception\ClientException;
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2015-11-19 19:10:42 +03:00
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use OC\BackgroundJob\JobList;
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2016-03-18 15:22:05 +03:00
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use OC\BackgroundJob\Job;
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2015-11-10 12:50:59 +03:00
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use OCA\Federation\DbHandler;
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use OCA\Federation\TrustedServers;
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use OCP\AppFramework\Http;
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use OCP\BackgroundJob\IJobList;
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use OCP\Http\Client\IClient;
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2016-03-18 15:22:05 +03:00
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use OCP\Http\Client\IResponse;
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2015-11-10 12:50:59 +03:00
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use OCP\ILogger;
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use OCP\IURLGenerator;
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/**
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* Class GetSharedSecret
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*
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* request shared secret from remote ownCloud
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*
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* @package OCA\Federation\Backgroundjob
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*/
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2016-03-18 15:22:05 +03:00
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class GetSharedSecret extends Job{
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2015-11-10 12:50:59 +03:00
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/** @var IClient */
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private $httpClient;
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/** @var IJobList */
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private $jobList;
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/** @var IURLGenerator */
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private $urlGenerator;
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/** @var TrustedServers */
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private $trustedServers;
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2015-11-19 13:48:21 +03:00
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/** @var DbHandler */
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private $dbHandler;
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2015-11-10 12:50:59 +03:00
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/** @var ILogger */
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private $logger;
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2016-03-18 15:22:05 +03:00
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/** @var bool */
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protected $retainJob = false;
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2015-11-10 12:50:59 +03:00
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private $endPoint = '/ocs/v2.php/apps/federation/api/v1/shared-secret?format=json';
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/**
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* RequestSharedSecret constructor.
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*
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* @param IClient $httpClient
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* @param IURLGenerator $urlGenerator
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* @param IJobList $jobList
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* @param TrustedServers $trustedServers
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* @param ILogger $logger
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2015-11-19 13:48:21 +03:00
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* @param DbHandler $dbHandler
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2015-11-10 12:50:59 +03:00
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*/
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public function __construct(
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IClient $httpClient = null,
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IURLGenerator $urlGenerator = null,
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IJobList $jobList = null,
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TrustedServers $trustedServers = null,
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2015-11-19 13:48:21 +03:00
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ILogger $logger = null,
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2016-03-18 15:22:05 +03:00
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DbHandler $dbHandler = null
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2015-11-10 12:50:59 +03:00
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) {
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$this->logger = $logger ? $logger : \OC::$server->getLogger();
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$this->httpClient = $httpClient ? $httpClient : \OC::$server->getHTTPClientService()->newClient();
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$this->jobList = $jobList ? $jobList : \OC::$server->getJobList();
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$this->urlGenerator = $urlGenerator ? $urlGenerator : \OC::$server->getURLGenerator();
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2015-11-19 13:48:21 +03:00
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$this->dbHandler = $dbHandler ? $dbHandler : new DbHandler(\OC::$server->getDatabaseConnection(), \OC::$server->getL10N('federation'));
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2015-11-10 12:50:59 +03:00
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if ($trustedServers) {
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$this->trustedServers = $trustedServers;
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} else {
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$this->trustedServers = new TrustedServers(
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2016-02-26 18:59:53 +03:00
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$this->dbHandler,
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\OC::$server->getHTTPClientService(),
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$this->logger,
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$this->jobList,
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\OC::$server->getSecureRandom(),
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\OC::$server->getConfig(),
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\OC::$server->getEventDispatcher()
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2015-11-10 12:50:59 +03:00
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);
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}
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}
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/**
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* run the job, then remove it from the joblist
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*
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* @param JobList $jobList
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* @param ILogger $logger
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*/
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public function execute($jobList, ILogger $logger = null) {
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$target = $this->argument['url'];
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// only execute if target is still in the list of trusted domains
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if ($this->trustedServers->isTrustedServer($target)) {
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2015-11-19 19:49:43 +03:00
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$this->parentExecute($jobList, $logger);
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2015-11-10 12:50:59 +03:00
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}
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2016-03-18 15:22:05 +03:00
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if (!$this->retainJob) {
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$jobList->remove($this, $this->argument);
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}
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2015-11-10 12:50:59 +03:00
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}
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2015-11-19 19:49:43 +03:00
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/**
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* call execute() method of parent
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*
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* @param JobList $jobList
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* @param ILogger $logger
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*/
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protected function parentExecute($jobList, $logger) {
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parent::execute($jobList, $logger);
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}
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2015-11-10 12:50:59 +03:00
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protected function run($argument) {
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$target = $argument['url'];
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$source = $this->urlGenerator->getAbsoluteURL('/');
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$source = rtrim($source, '/');
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$token = $argument['token'];
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2016-03-18 15:22:05 +03:00
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$result = null;
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2015-11-19 13:48:21 +03:00
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try {
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$result = $this->httpClient->get(
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$target . $this->endPoint,
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[
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'query' =>
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[
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'url' => $source,
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'token' => $token
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],
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'timeout' => 3,
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'connect_timeout' => 3,
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]
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);
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$status = $result->getStatusCode();
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} catch (ClientException $e) {
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$status = $e->getCode();
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2016-02-15 19:33:06 +03:00
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if ($status === Http::STATUS_FORBIDDEN) {
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$this->logger->info($target . ' refused to exchange a shared secret with you.', ['app' => 'federation']);
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} else {
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$this->logger->logException($e, ['app' => 'federation']);
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}
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2016-02-01 15:39:13 +03:00
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} catch (\Exception $e) {
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2016-03-18 15:22:05 +03:00
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$status = Http::STATUS_INTERNAL_SERVER_ERROR;
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2016-02-15 19:33:06 +03:00
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$this->logger->logException($e, ['app' => 'federation']);
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2015-11-19 13:48:21 +03:00
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}
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2015-11-10 12:50:59 +03:00
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// if we received a unexpected response we try again later
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if (
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$status !== Http::STATUS_OK
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&& $status !== Http::STATUS_FORBIDDEN
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) {
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2016-03-18 15:22:05 +03:00
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$this->retainJob = true;
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2015-11-19 13:48:21 +03:00
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} else {
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// reset token if we received a valid response
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$this->dbHandler->addToken($target, '');
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}
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2016-03-18 15:22:05 +03:00
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if ($status === Http::STATUS_OK && $result instanceof IResponse) {
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2015-11-10 12:50:59 +03:00
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$body = $result->getBody();
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$result = json_decode($body, true);
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if (isset($result['ocs']['data']['sharedSecret'])) {
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$this->trustedServers->addSharedSecret(
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$target,
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$result['ocs']['data']['sharedSecret']
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);
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} else {
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$this->logger->error(
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'remote server "' . $target . '"" does not return a valid shared secret',
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['app' => 'federation']
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);
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$this->trustedServers->setServerStatus($target, TrustedServers::STATUS_FAILURE);
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}
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}
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2015-11-19 13:48:21 +03:00
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2015-11-10 12:50:59 +03:00
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}
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}
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