nextcloud/apps/dav/lib/Connector/Sabre/BearerAuth.php

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<?php
/**
* @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
*
* @author Lukas Reschke <lukas@statuscode.ch>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DAV\Connector\Sabre;
use OCP\IRequest;
use OCP\ISession;
use OCP\IUserSession;
use Sabre\DAV\Auth\Backend\AbstractBearer;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
class BearerAuth extends AbstractBearer {
/** @var IUserSession */
private $userSession;
/** @var ISession */
private $session;
/** @var IRequest */
private $request;
/** @var string */
private $principalPrefix;
/**
* @param IUserSession $userSession
* @param ISession $session
* @param string $principalPrefix
* @param IRequest $request
*/
public function __construct(IUserSession $userSession,
ISession $session,
IRequest $request,
$principalPrefix = 'principals/users/') {
$this->userSession = $userSession;
$this->session = $session;
$this->request = $request;
$this->principalPrefix = $principalPrefix;
// setup realm
$defaults = new \OCP\Defaults();
$this->realm = $defaults->getName();
}
private function setupUserFs($userId) {
\OC_Util::setupFS($userId);
$this->session->close();
return $this->principalPrefix . $userId;
}
/**
* {@inheritdoc}
*/
public function validateBearerToken($bearerToken) {
\OC_Util::setupFS();
if (!$this->userSession->isLoggedIn()) {
$this->userSession->tryTokenLogin($this->request);
}
if ($this->userSession->isLoggedIn()) {
return $this->setupUserFs($this->userSession->getUser()->getUID());
}
return false;
}
/**
* \Sabre\DAV\Auth\Backend\AbstractBearer::challenge sets an WWW-Authenticate
* header which some DAV clients can't handle. Thus we override this function
* and make it simply return a 401.
*
* @param RequestInterface $request
* @param ResponseInterface $response
*/
public function challenge(RequestInterface $request, ResponseInterface $response) {
$response->setStatus(401);
}
}