Current File : //proc/thread-self/root/www/varak.net/nextcloud.varak.net/apps/dav/appinfo/v2/publicremote.php
<?php
/**
* SPDX-FileCopyrightText: 2020-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
use OC\Files\Filesystem;
use OC\Files\Storage\Wrapper\PermissionsMask;
use OC\Files\View;
use OCA\DAV\Storage\PublicOwnerWrapper;
use OCA\DAV\Storage\PublicShareWrapper;
use OCA\FederatedFileSharing\FederatedShareProvider;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Files\Mount\IMountManager;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IPreview;
use OCP\IRequest;
use OCP\ISession;
use OCP\ITagManager;
use OCP\IUserSession;
use OCP\L10N\IFactory;
use OCP\Security\Bruteforce\IThrottler;
use OCP\Share\IManager;
use Psr\Log\LoggerInterface;
use Sabre\DAV\Exception\NotAuthenticated;
use Sabre\DAV\Exception\NotFound;
// load needed apps
$RUNTIME_APPTYPES = ['filesystem', 'authentication', 'logging'];
OC_App::loadApps($RUNTIME_APPTYPES);
OC_Util::obEnd();
$session = \OCP\Server::get(ISession::class);
$request = \OCP\Server::get(IRequest::class);
$session->close();
$requestUri = $request->getRequestUri();
// Backends
$authBackend = new OCA\DAV\Connector\Sabre\PublicAuth(
$request,
\OCP\Server::get(IManager::class),
$session,
\OCP\Server::get(IThrottler::class),
\OCP\Server::get(LoggerInterface::class)
);
$authPlugin = new \Sabre\DAV\Auth\Plugin($authBackend);
$l10nFactory = \OCP\Server::get(IFactory::class);
$serverFactory = new OCA\DAV\Connector\Sabre\ServerFactory(
\OCP\Server::get(IConfig::class),
\OCP\Server::get(LoggerInterface::class),
\OCP\Server::get(IDBConnection::class),
\OCP\Server::get(IUserSession::class),
\OCP\Server::get(IMountManager::class),
\OCP\Server::get(ITagManager::class),
$request,
\OCP\Server::get(IPreview::class),
\OCP\Server::get(IEventDispatcher::class),
$l10nFactory->get('dav'),
);
$linkCheckPlugin = new \OCA\DAV\Files\Sharing\PublicLinkCheckPlugin();
$filesDropPlugin = new \OCA\DAV\Files\Sharing\FilesDropPlugin();
// Define root url with /public.php/dav/files/TOKEN
/** @var string $baseuri defined in public.php */
preg_match('/(^files\/\w+)/i', substr($requestUri, strlen($baseuri)), $match);
$baseuri = $baseuri . $match[0];
$server = $serverFactory->createServer($baseuri, $requestUri, $authPlugin, function (\Sabre\DAV\Server $server) use ($authBackend, $linkCheckPlugin, $filesDropPlugin) {
// GET must be allowed for e.g. showing images and allowing Zip downloads
if ($server->httpRequest->getMethod() !== 'GET') {
// If this is *not* a GET request we only allow access to public DAV from AJAX or when Server2Server is allowed
$isAjax = in_array('XMLHttpRequest', explode(',', $_SERVER['HTTP_X_REQUESTED_WITH'] ?? ''));
$federatedShareProvider = \OCP\Server::get(FederatedShareProvider::class);
if ($federatedShareProvider->isOutgoingServer2serverShareEnabled() === false && $isAjax === false) {
// this is what is thrown when trying to access a non-existing share
throw new NotAuthenticated();
}
}
$share = $authBackend->getShare();
$owner = $share->getShareOwner();
$isReadable = $share->getPermissions() & \OCP\Constants::PERMISSION_READ;
$fileId = $share->getNodeId();
// FIXME: should not add storage wrappers outside of preSetup, need to find a better way
/** @psalm-suppress InternalMethod */
$previousLog = Filesystem::logWarningWhenAddingStorageWrapper(false);
/** @psalm-suppress MissingClosureParamType */
Filesystem::addStorageWrapper('sharePermissions', function ($mountPoint, $storage) use ($share) {
return new PermissionsMask(['storage' => $storage, 'mask' => $share->getPermissions() | \OCP\Constants::PERMISSION_SHARE]);
});
/** @psalm-suppress MissingClosureParamType */
Filesystem::addStorageWrapper('shareOwner', function ($mountPoint, $storage) use ($share) {
return new PublicOwnerWrapper(['storage' => $storage, 'owner' => $share->getShareOwner()]);
});
// Ensure that also private shares have the `getShare` method
/** @psalm-suppress MissingClosureParamType */
Filesystem::addStorageWrapper('getShare', function ($mountPoint, $storage) use ($share) {
return new PublicShareWrapper(['storage' => $storage, 'share' => $share]);
}, 0);
/** @psalm-suppress InternalMethod */
Filesystem::logWarningWhenAddingStorageWrapper($previousLog);
$rootFolder = \OCP\Server::get(\OCP\Files\IRootFolder::class);
$userFolder = $rootFolder->getUserFolder($owner);
$node = $userFolder->getFirstNodeById($fileId);
if (!$node) {
throw new NotFound();
}
$linkCheckPlugin->setFileInfo($node);
// If not readable (files_drop) enable the filesdrop plugin
if (!$isReadable) {
$filesDropPlugin->enable();
}
$view = new View($node->getPath());
$filesDropPlugin->setView($view);
$filesDropPlugin->setShare($share);
return $view;
});
$server->addPlugin($linkCheckPlugin);
$server->addPlugin($filesDropPlugin);
// And off we go!
$server->start();
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