137 lines
3.2 KiB
PHP
137 lines
3.2 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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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 OCA\Federation\API;
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use OC\BackgroundJob\JobList;
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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\IRequest;
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use OCP\Security\ISecureRandom;
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use OCP\Security\StringUtils;
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/**
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* Class OCSAuthAPI
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*
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* OCS API end-points to exchange shared secret between two connected ownClouds
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*
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* @package OCA\Federation\API
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*/
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class OCSAuthAPI {
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/** @var IRequest */
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private $request;
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/** @var ISecureRandom */
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private $secureRandom;
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/** @var JobList */
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private $jobList;
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/** @var TrustedServers */
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private $trustedServers;
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/** @var DbHandler */
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private $dbHandler;
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/**
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* AuthController constructor.
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*
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* @param IRequest $request
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* @param ISecureRandom $secureRandom
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* @param JobList $jobList
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* @param TrustedServers $trustedServers
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* @param DbHandler $dbHandler
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*/
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public function __construct(
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IRequest $request,
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ISecureRandom $secureRandom,
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JobList $jobList,
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TrustedServers $trustedServers,
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DbHandler $dbHandler
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) {
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$this->request = $request;
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$this->secureRandom = $secureRandom;
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$this->jobList = $jobList;
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$this->trustedServers = $trustedServers;
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$this->dbHandler = $dbHandler;
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}
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/**
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* request received to ask remote server for a shared secret
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*
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* @return \OC_OCS_Result
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*/
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public function requestSharedSecret() {
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$url = $this->request->getParam('url');
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$token = $this->request->getParam('token');
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if ($this->trustedServers->isTrustedServer($url) === false) {
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return new \OC_OCS_Result(null, HTTP::STATUS_FORBIDDEN);
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}
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$this->jobList->add(
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'OCA\Federation\BackgroundJob\GetSharedSecret',
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[
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'url' => $url,
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'token' => $token,
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]
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);
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return new \OC_OCS_Result(null, Http::STATUS_OK);
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}
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/**
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* create shared secret and return it
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*
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* @return \OC_OCS_Result
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*/
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public function getSharedSecret() {
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$url = $this->request->getParam('url');
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$token = $this->request->getParam('token');
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if (
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$this->trustedServers->isTrustedServer($url) === false
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|| $this->isValidToken($url, $token) === false
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) {
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return new \OC_OCS_Result(null, HTTP::STATUS_FORBIDDEN);
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}
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$sharedSecret = $this->secureRandom->getMediumStrengthGenerator()->generate(32);
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$this->trustedServers->addSharedSecret($url, $sharedSecret);
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return new \OC_OCS_Result(['sharedSecret' => $sharedSecret], Http::STATUS_OK);
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}
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protected function isValidToken($url, $token) {
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$storedToken = $this->dbHandler->getToken($url);
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return StringUtils::equals($storedToken, $token);
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}
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}
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