nextcloud/apps/dav/lib/Server.php

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<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bjoern Schiessle <bjoern@schiessle.org>
* @author Brandon Kirsch <brandonkirsch@github.com>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Joas Schilling <coding@schilljs.com>
* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @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/>
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*
*/
namespace OCA\DAV;
use OCA\DAV\AppInfo\PluginManager;
use OCA\DAV\CalDAV\BirthdayService;
use OCA\DAV\CardDAV\HasPhotoPlugin;
use OCA\DAV\CardDAV\ImageExportPlugin;
use OCA\DAV\CardDAV\MultiGetExportPlugin;
use OCA\DAV\CardDAV\PhotoCache;
use OCA\DAV\Comments\CommentsPlugin;
use OCA\DAV\Connector\Sabre\AnonymousOptionsPlugin;
use OCA\DAV\Connector\Sabre\Auth;
use OCA\DAV\Connector\Sabre\BearerAuth;
use OCA\DAV\Connector\Sabre\BlockLegacyClientPlugin;
use OCA\DAV\Connector\Sabre\CachingTree;
use OCA\DAV\Connector\Sabre\CommentPropertiesPlugin;
use OCA\DAV\Connector\Sabre\CopyEtagHeaderPlugin;
use OCA\DAV\Connector\Sabre\DavAclPlugin;
use OCA\DAV\Connector\Sabre\DummyGetResponsePlugin;
use OCA\DAV\Connector\Sabre\FakeLockerPlugin;
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use OCA\DAV\Connector\Sabre\FilesPlugin;
use OCA\DAV\Connector\Sabre\FilesReportPlugin;
use OCA\DAV\Connector\Sabre\QuotaPlugin;
use OCA\DAV\Connector\Sabre\SharesPlugin;
use OCA\DAV\Connector\Sabre\TagsPlugin;
use OCA\DAV\DAV\CustomPropertiesBackend;
use OCA\DAV\DAV\PublicAuth;
use OCA\DAV\Files\BrowserErrorPagePlugin;
use OCA\DAV\Files\LazySearchBackend;
use OCA\DAV\Provisioning\Apple\AppleProvisioningPlugin;
use OCA\DAV\SystemTag\SystemTagPlugin;
use OCA\DAV\Upload\ChunkingPlugin;
use OCP\IRequest;
use OCP\SabrePluginEvent;
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use Sabre\CardDAV\VCFExportPlugin;
use Sabre\DAV\Auth\Plugin;
use Sabre\DAV\UUIDUtil;
use SearchDAV\DAV\SearchPlugin;
class Server {
/** @var IRequest */
private $request;
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/** @var string */
private $baseUri;
/** @var Connector\Sabre\Server */
public $server;
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public function __construct(IRequest $request, $baseUri) {
$this->request = $request;
$this->baseUri = $baseUri;
$logger = \OC::$server->getLogger();
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$dispatcher = \OC::$server->getEventDispatcher();
$root = new RootCollection();
$this->server = new \OCA\DAV\Connector\Sabre\Server(new CachingTree($root));
// Add maintenance plugin
$this->server->addPlugin(new \OCA\DAV\Connector\Sabre\MaintenancePlugin(\OC::$server->getConfig()));
// Backends
$authBackend = new Auth(
\OC::$server->getSession(),
\OC::$server->getUserSession(),
\OC::$server->getRequest(),
\OC::$server->getTwoFactorAuthManager(),
\OC::$server->getBruteForceThrottler()
);
// Set URL explicitly due to reverse-proxy situations
$this->server->httpRequest->setUrl($this->request->getRequestUri());
$this->server->setBaseUri($this->baseUri);
$this->server->addPlugin(new BlockLegacyClientPlugin(\OC::$server->getConfig()));
$this->server->addPlugin(new AnonymousOptionsPlugin());
$authPlugin = new Plugin();
$authPlugin->addBackend(new PublicAuth());
$this->server->addPlugin($authPlugin);
// allow setup of additional auth backends
$event = new SabrePluginEvent($this->server);
$dispatcher->dispatch('OCA\DAV\Connector\Sabre::authInit', $event);
$bearerAuthBackend = new BearerAuth(
\OC::$server->getUserSession(),
\OC::$server->getSession(),
\OC::$server->getRequest()
);
$authPlugin->addBackend($bearerAuthBackend);
// because we are throwing exceptions this plugin has to be the last one
$authPlugin->addBackend($authBackend);
// debugging
if(\OC::$server->getConfig()->getSystemValue('debug', false)) {
$this->server->addPlugin(new \Sabre\DAV\Browser\Plugin());
} else {
$this->server->addPlugin(new DummyGetResponsePlugin());
}
$this->server->addPlugin(new \OCA\DAV\Connector\Sabre\ExceptionLoggerPlugin('webdav', $logger));
$this->server->addPlugin(new \OCA\DAV\Connector\Sabre\LockPlugin());
$this->server->addPlugin(new \Sabre\DAV\Sync\Plugin());
// acl
$acl = new DavAclPlugin();
$acl->principalCollectionSet = [
'principals/users',
'principals/groups',
'principals/calendar-resources',
'principals/calendar-rooms',
];
$acl->defaultUsernamePath = 'principals/users';
$this->server->addPlugin($acl);
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// calendar plugins
if ($this->requestIsForSubtree(['calendars', 'public-calendars', 'system-calendars', 'principals'])) {
$this->server->addPlugin(new \OCA\DAV\CalDAV\Plugin());
$this->server->addPlugin(new \OCA\DAV\CalDAV\ICSExportPlugin\ICSExportPlugin(\OC::$server->getConfig(), \OC::$server->getLogger()));
$this->server->addPlugin(new \OCA\DAV\CalDAV\Schedule\Plugin());
if (\OC::$server->getConfig()->getAppValue('dav', 'sendInvitations', 'yes') === 'yes') {
$this->server->addPlugin(\OC::$server->query(\OCA\DAV\CalDAV\Schedule\IMipPlugin::class));
}
$this->server->addPlugin(new CalDAV\WebcalCaching\Plugin($request));
$this->server->addPlugin(new \Sabre\CalDAV\Subscriptions\Plugin());
$this->server->addPlugin(new \Sabre\CalDAV\Notifications\Plugin());
$this->server->addPlugin(new DAV\Sharing\Plugin($authBackend, \OC::$server->getRequest()));
$this->server->addPlugin(new \OCA\DAV\CalDAV\Publishing\PublishPlugin(
\OC::$server->getConfig(),
\OC::$server->getURLGenerator()
));
}
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// addressbook plugins
if ($this->requestIsForSubtree(['addressbooks', 'principals'])) {
$this->server->addPlugin(new DAV\Sharing\Plugin($authBackend, \OC::$server->getRequest()));
$this->server->addPlugin(new \OCA\DAV\CardDAV\Plugin());
$this->server->addPlugin(new VCFExportPlugin());
$this->server->addPlugin(new MultiGetExportPlugin());
$this->server->addPlugin(new HasPhotoPlugin());
$this->server->addPlugin(new ImageExportPlugin(new PhotoCache(
\OC::$server->getAppDataDir('dav-photocache'),
\OC::$server->getLogger())
));
}
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// system tags plugins
$this->server->addPlugin(new SystemTagPlugin(
\OC::$server->getSystemTagManager(),
\OC::$server->getGroupManager(),
\OC::$server->getUserSession()
));
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// comments plugin
$this->server->addPlugin(new CommentsPlugin(
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\OC::$server->getCommentsManager(),
\OC::$server->getUserSession()
));
$this->server->addPlugin(new CopyEtagHeaderPlugin());
$this->server->addPlugin(new ChunkingPlugin());
// allow setup of additional plugins
$dispatcher->dispatch('OCA\DAV\Connector\Sabre::addPlugin', $event);
// Some WebDAV clients do require Class 2 WebDAV support (locking), since
// we do not provide locking we emulate it using a fake locking plugin.
if($request->isUserAgent([
'/WebDAVFS/',
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'/OneNote/',
'/^Microsoft-WebDAV/',// Microsoft-WebDAV-MiniRedir/6.1.7601
])) {
$this->server->addPlugin(new FakeLockerPlugin());
}
if (BrowserErrorPagePlugin::isBrowserRequest($request)) {
$this->server->addPlugin(new BrowserErrorPagePlugin());
}
$lazySearchBackend = new LazySearchBackend();
$this->server->addPlugin(new SearchPlugin($lazySearchBackend));
// wait with registering these until auth is handled and the filesystem is setup
$this->server->on('beforeMethod:*', function () use ($root, $lazySearchBackend) {
// custom properties plugin must be the last one
$userSession = \OC::$server->getUserSession();
$user = $userSession->getUser();
if ($user !== null) {
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$view = \OC\Files\Filesystem::getView();
$this->server->addPlugin(
new FilesPlugin(
$this->server->tree,
\OC::$server->getConfig(),
$this->request,
\OC::$server->getPreviewManager(),
false,
!\OC::$server->getConfig()->getSystemValue('debug', false)
)
);
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$this->server->addPlugin(
new \Sabre\DAV\PropertyStorage\Plugin(
new CustomPropertiesBackend(
$this->server->tree,
\OC::$server->getDatabaseConnection(),
\OC::$server->getUserSession()->getUser()
)
)
);
if ($view !== null) {
$this->server->addPlugin(
new QuotaPlugin($view, false));
}
$this->server->addPlugin(
new TagsPlugin(
$this->server->tree, \OC::$server->getTagManager()
)
);
// TODO: switch to LazyUserFolder
$userFolder = \OC::$server->getUserFolder();
$this->server->addPlugin(new SharesPlugin(
$this->server->tree,
$userSession,
$userFolder,
\OC::$server->getShareManager()
));
$this->server->addPlugin(new CommentPropertiesPlugin(
\OC::$server->getCommentsManager(),
$userSession
));
$this->server->addPlugin(new \OCA\DAV\CalDAV\Search\SearchPlugin());
if ($view !== null) {
$this->server->addPlugin(new FilesReportPlugin(
$this->server->tree,
$view,
\OC::$server->getSystemTagManager(),
\OC::$server->getSystemTagObjectMapper(),
\OC::$server->getTagManager(),
$userSession,
\OC::$server->getGroupManager(),
$userFolder,
\OC::$server->getAppManager()
));
$lazySearchBackend->setBackend(new \OCA\DAV\Files\FileSearchBackend(
$this->server->tree,
$user,
\OC::$server->getRootFolder(),
\OC::$server->getShareManager(),
$view
));
}
$this->server->addPlugin(new \OCA\DAV\CalDAV\BirthdayCalendar\EnablePlugin(
\OC::$server->getConfig(),
\OC::$server->query(BirthdayService::class)
));
$this->server->addPlugin(new AppleProvisioningPlugin(
\OC::$server->getUserSession(),
\OC::$server->getURLGenerator(),
\OC::$server->getThemingDefaults(),
\OC::$server->getRequest(),
\OC::$server->getL10N('dav'),
function () {
return UUIDUtil::getUUID();
}
));
}
// register plugins from apps
$pluginManager = new PluginManager(
\OC::$server,
\OC::$server->getAppManager()
);
foreach ($pluginManager->getAppPlugins() as $appPlugin) {
$this->server->addPlugin($appPlugin);
}
foreach ($pluginManager->getAppCollections() as $appCollection) {
$root->addChild($appCollection);
}
});
}
public function exec() {
$this->server->exec();
}
private function requestIsForSubtree(array $subTrees): bool {
foreach ($subTrees as $subTree) {
$subTree = trim($subTree, ' /');
if (strpos($this->server->getRequestUri(), $subTree.'/') === 0) {
return true;
}
}
return false;
}
}