nextcloud/apps/files_sharing/publicwebdav.php

76 lines
2.7 KiB
PHP

<?php
/**
* @author Lukas Reschke <lukas@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@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/>
*
*/
// load needed apps
$RUNTIME_APPTYPES = array('filesystem', 'authentication', 'logging');
OC_App::loadApps($RUNTIME_APPTYPES);
OC_Util::obEnd();
// Backends
$authBackend = new OCA\Files_Sharing\Connector\PublicAuth(\OC::$server->getConfig());
$serverFactory = new \OC\Connector\Sabre\ServerFactory(
\OC::$server->getConfig(),
\OC::$server->getLogger(),
\OC::$server->getDatabaseConnection(),
\OC::$server->getUserSession(),
\OC::$server->getMountManager(),
\OC::$server->getTagManager(),
\OC::$server->getEventDispatcher()
);
$requestUri = \OC::$server->getRequest()->getRequestUri();
$server = $serverFactory->createServer($baseuri, $requestUri, $authBackend, function () use ($authBackend) {
$isAjax = (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest');
if (OCA\Files_Sharing\Helper::isOutgoingServer2serverShareEnabled() === false && !$isAjax) {
// this is what is thrown when trying to access a non-existing share
throw new \Sabre\DAV\Exception\NotAuthenticated();
}
$share = $authBackend->getShare();
$rootShare = \OCP\Share::resolveReShare($share);
$owner = $rootShare['uid_owner'];
$isWritable = $share['permissions'] & (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_CREATE);
$fileId = $share['file_source'];
if (!$isWritable) {
\OC\Files\Filesystem::addStorageWrapper('readonly', function ($mountPoint, $storage) {
return new \OC\Files\Storage\Wrapper\PermissionsMask(array('storage' => $storage, 'mask' => \OCP\Constants::PERMISSION_READ + \OCP\Constants::PERMISSION_SHARE));
});
}
OC_Util::setupFS($owner);
$ownerView = \OC\Files\Filesystem::getView();
$path = $ownerView->getPath($fileId);
return new \OC\Files\View($ownerView->getAbsolutePath($path));
});
// And off we go!
$server->exec();