owncloud/core

<?php
/**
 * @author Björn Schießle <bjoern@schiessle.org>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Roeland Jago Douma <rullzer@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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
use OC\Files\Filesystem;
use OC\Files\Storage\Wrapper\PermissionsMask;
use OC\Files\View;
use OCA\DAV\Connector\Sabre\AutorenamePlugin;
use OCA\DAV\Files\Sharing\PublicLinkCheckPlugin;
use OCA\DAV\Files\Sharing\PublicLinkEventsPlugin;
use OCA\FederatedFileSharing\AppInfo\Application;
use OCP\Constants;
use OCP\Files\NotFoundException;
use Sabre\DAV\Exception\NotAuthenticated;
use Sabre\DAV\Exception\NotFound;

$RUNTIME_APPTYPES = ['filesystem', 'authentication', 'logging'];

OC_App::loadApps($RUNTIME_APPTYPES);

OC_Util::obEnd();
\OC::$server->getSession()->close();

// Backends
$authBackend = new OCA\DAV\Connector\PublicAuth(
    \OC::$server->getRequest(),
    \OC::$server->getShareManager(),
    \OC::$server->getSession()
);

$serverFactory = new OCA\DAV\Connector\Sabre\ServerFactory(
    \OC::$server->getConfig(),
    \OC::$server->getLogger(),
    \OC::$server->getDatabaseConnection(),
    \OC::$server->getUserSession(),
    \OC::$server->getMountManager(),
    \OC::$server->getTagManager(),
    \OC::$server->getRequest(),
    \OC::$server->getTimeFactory()
);

$requestUri = \OC::$server->getRequest()->getRequestUri();

$linkCheckPlugin = new PublicLinkCheckPlugin();
$linkEventsPlugin = new PublicLinkEventsPlugin(\OC::$server->getEventDispatcher());

$server = $serverFactory->createServer($baseuri, $requestUri, $authBackend, function () use ($authBackend, $linkCheckPlugin) {
    $isAjax = (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest');
    $federatedSharingApp = new Application();
    $federatedShareProvider = $federatedSharingApp->getFederatedShareProvider();
    if ($federatedShareProvider->isOutgoingServer2serverShareEnabled() === false && !$isAjax) {
        // this is what is thrown when trying to access a nonexistent share
        throw new NotAuthenticated();
    }

    $share = $authBackend->getShare();
    $owner = $share->getShareOwner();
    $fileId = $share->getNodeId();

    // FIXME: should not add storage wrappers outside of preSetup, need to find a better way
    $previousLog = Filesystem::logWarningWhenAddingStorageWrapper(false);
    Filesystem::addStorageWrapper('sharePermissions', function ($mountPoint, $storage) use ($share) {
        return new PermissionsMask(['storage' => $storage, 'mask' => $share->getPermissions() | Constants::PERMISSION_SHARE]);
    });
    Filesystem::logWarningWhenAddingStorageWrapper($previousLog);

    # in case any fs is already mounted: tear it down
    OC_Util::tearDownFS();

    # setup fs for the share owner
    if (!OC_Util::setupFS($owner)) {
        # in absolute rare cases setting up the file system for a user might fail
        \OC::$server->getLogger()->error("Could not setup file system for $owner");
        throw new \Sabre\DAV\Exception();
    }
    $ownerView = Filesystem::getView();
    try {
        $path = $ownerView->getPath($fileId);
    } catch (NotFoundException $e) {
        \OC::$server->getLogger()->error("Could not get path for $fileId in files of user $owner");
        throw new NotFound();
    }
    $fileInfo = $ownerView->getFileInfo($path);
    $linkCheckPlugin->setFileInfo($fileInfo);

    \OC::$server->getEventDispatcher()->addListener(
        'public.user.resolve',
        function ($event) use ($share) {
            $event->setArgument('user', $share->getSharedWith());
        }
    );

    return new View($ownerView->getAbsolutePath($path));
}, true);

$server->addPlugin(new AutorenamePlugin());
$server->addPlugin($linkCheckPlugin);
$server->addPlugin($linkEventsPlugin);

// And off we go!
$server->start();