Add directdownload endpoint

apps/dav/appinfo/info.xml

@@ -5,7 +5,7 @@
 	<name>WebDAV</name>
 	<summary>WebDAV endpoint</summary>
 	<description>WebDAV endpoint</description>
-	<version>1.5.0</version>
+	<version>1.5.2</version>
 	<licence>agpl</licence>
 	<author>owncloud.org</author>
 	<namespace>DAV</namespace>
@@ -19,6 +19,10 @@
 		<nextcloud min-version="14" max-version="14" />
 	</dependencies>
 
+	<background-jobs>
+		<job>OCA\DAV\BackgroundJob\CleanupDirectLinksJob</job>
+	</background-jobs>
+
 	<repair-steps>
 		<post-migration>
 			<step>OCA\DAV\Migration\FixBirthdayCalendarComponent</step>

apps/dav/appinfo/routes.php

@@ -25,5 +25,8 @@
 	'routes' => [
 		['name' => 'birthday_calendar#enable', 'url' => '/enableBirthdayCalendar', 'verb' => 'POST'],
 		['name' => 'birthday_calendar#disable', 'url' => '/disableBirthdayCalendar', 'verb' => 'POST'],
-	]
+	],
+	'ocs' => [
+		['name' => 'direct#getUrl', 'url' => '/api/v1/direct', 'verb' => 'POST'],
+	],
 ];

apps/dav/appinfo/v2/direct.php

@@ -0,0 +1,47 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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/>.
+ *
+ */
+
+// no php execution timeout for webdav
+if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+	@set_time_limit(0);
+}
+ignore_user_abort(true);
+
+// Turn off output buffering to prevent memory problems
+\OC_Util::obEnd();
+
+$requestUri = \OC::$server->getRequest()->getRequestUri();
+
+$serverFactory = new \OCA\DAV\Direct\ServerFactory(\OC::$server->getConfig());
+$server = $serverFactory->createServer(
+	$baseuri,
+	$requestUri,
+	\OC::$server->getRootFolder(),
+	\OC::$server->query(\OCA\DAV\Db\DirectMapper::class),
+	\OC::$server->query(\OCP\AppFramework\Utility\ITimeFactory::class),
+	\OC::$server->getBruteForceThrottler(),
+	\OC::$server->getRequest()
+);
+
+$server->exec();

apps/dav/composer/composer/autoload_classmap.php

@@ -11,6 +11,7 @@
     'OCA\\DAV\\Avatars\\AvatarHome' => $baseDir . '/../lib/Avatars/AvatarHome.php',
     'OCA\\DAV\\Avatars\\AvatarNode' => $baseDir . '/../lib/Avatars/AvatarNode.php',
     'OCA\\DAV\\Avatars\\RootCollection' => $baseDir . '/../lib/Avatars/RootCollection.php',
+    'OCA\\DAV\\BackgroundJob\\CleanupDirectLinksJob' => $baseDir . '/../lib/BackgroundJob/CleanupDirectLinksJob.php',
     'OCA\\DAV\\BackgroundJob\\GenerateBirthdayCalendarBackgroundJob' => $baseDir . '/../lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php',
     'OCA\\DAV\\CalDAV\\Activity\\Backend' => $baseDir . '/../lib/CalDAV/Activity/Backend.php',
     'OCA\\DAV\\CalDAV\\Activity\\Filter\\Calendar' => $baseDir . '/../lib/CalDAV/Activity/Filter/Calendar.php',
@@ -109,6 +110,7 @@
     'OCA\\DAV\\Connector\\Sabre\\TagList' => $baseDir . '/../lib/Connector/Sabre/TagList.php',
     'OCA\\DAV\\Connector\\Sabre\\TagsPlugin' => $baseDir . '/../lib/Connector/Sabre/TagsPlugin.php',
     'OCA\\DAV\\Controller\\BirthdayCalendarController' => $baseDir . '/../lib/Controller/BirthdayCalendarController.php',
+    'OCA\\DAV\\Controller\\DirectController' => $baseDir . '/../lib/Controller/DirectController.php',
     'OCA\\DAV\\DAV\\CustomPropertiesBackend' => $baseDir . '/../lib/DAV/CustomPropertiesBackend.php',
     'OCA\\DAV\\DAV\\GroupPrincipalBackend' => $baseDir . '/../lib/DAV/GroupPrincipalBackend.php',
     'OCA\\DAV\\DAV\\PublicAuth' => $baseDir . '/../lib/DAV/PublicAuth.php',
@@ -118,6 +120,12 @@
     'OCA\\DAV\\DAV\\Sharing\\Xml\\Invite' => $baseDir . '/../lib/DAV/Sharing/Xml/Invite.php',
     'OCA\\DAV\\DAV\\Sharing\\Xml\\ShareRequest' => $baseDir . '/../lib/DAV/Sharing/Xml/ShareRequest.php',
     'OCA\\DAV\\DAV\\SystemPrincipalBackend' => $baseDir . '/../lib/DAV/SystemPrincipalBackend.php',
+    'OCA\\DAV\\Db\\Direct' => $baseDir . '/../lib/Db/Direct.php',
+    'OCA\\DAV\\Db\\DirectMapper' => $baseDir . '/../lib/Db/DirectMapper.php',
+    'OCA\\DAV\\Direct\\DirectFile' => $baseDir . '/../lib/Direct/DirectFile.php',
+    'OCA\\DAV\\Direct\\DirectHome' => $baseDir . '/../lib/Direct/DirectHome.php',
+    'OCA\\DAV\\Direct\\Server' => $baseDir . '/../lib/Direct/Server.php',
+    'OCA\\DAV\\Direct\\ServerFactory' => $baseDir . '/../lib/Direct/ServerFactory.php',
     'OCA\\DAV\\Files\\BrowserErrorPagePlugin' => $baseDir . '/../lib/Files/BrowserErrorPagePlugin.php',
     'OCA\\DAV\\Files\\FileSearchBackend' => $baseDir . '/../lib/Files/FileSearchBackend.php',
     'OCA\\DAV\\Files\\FilesHome' => $baseDir . '/../lib/Files/FilesHome.php',
@@ -133,6 +141,7 @@
     'OCA\\DAV\\Migration\\Version1004Date20170919104507' => $baseDir . '/../lib/Migration/Version1004Date20170919104507.php',
     'OCA\\DAV\\Migration\\Version1004Date20170924124212' => $baseDir . '/../lib/Migration/Version1004Date20170924124212.php',
     'OCA\\DAV\\Migration\\Version1004Date20170926103422' => $baseDir . '/../lib/Migration/Version1004Date20170926103422.php',
+    'OCA\\DAV\\Migration\\Version1005Date20180413093149' => $baseDir . '/../lib/Migration/Version1005Date20180413093149.php',
     'OCA\\DAV\\RootCollection' => $baseDir . '/../lib/RootCollection.php',
     'OCA\\DAV\\Server' => $baseDir . '/../lib/Server.php',
     'OCA\\DAV\\Settings\\CalDAVSettings' => $baseDir . '/../lib/Settings/CalDAVSettings.php',

apps/dav/composer/composer/autoload_static.php

@@ -26,6 +26,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Avatars\\AvatarHome' => __DIR__ . '/..' . '/../lib/Avatars/AvatarHome.php',
         'OCA\\DAV\\Avatars\\AvatarNode' => __DIR__ . '/..' . '/../lib/Avatars/AvatarNode.php',
         'OCA\\DAV\\Avatars\\RootCollection' => __DIR__ . '/..' . '/../lib/Avatars/RootCollection.php',
+        'OCA\\DAV\\BackgroundJob\\CleanupDirectLinksJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/CleanupDirectLinksJob.php',
         'OCA\\DAV\\BackgroundJob\\GenerateBirthdayCalendarBackgroundJob' => __DIR__ . '/..' . '/../lib/BackgroundJob/GenerateBirthdayCalendarBackgroundJob.php',
         'OCA\\DAV\\CalDAV\\Activity\\Backend' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Backend.php',
         'OCA\\DAV\\CalDAV\\Activity\\Filter\\Calendar' => __DIR__ . '/..' . '/../lib/CalDAV/Activity/Filter/Calendar.php',
@@ -124,6 +125,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Connector\\Sabre\\TagList' => __DIR__ . '/..' . '/../lib/Connector/Sabre/TagList.php',
         'OCA\\DAV\\Connector\\Sabre\\TagsPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/TagsPlugin.php',
         'OCA\\DAV\\Controller\\BirthdayCalendarController' => __DIR__ . '/..' . '/../lib/Controller/BirthdayCalendarController.php',
+        'OCA\\DAV\\Controller\\DirectController' => __DIR__ . '/..' . '/../lib/Controller/DirectController.php',
         'OCA\\DAV\\DAV\\CustomPropertiesBackend' => __DIR__ . '/..' . '/../lib/DAV/CustomPropertiesBackend.php',
         'OCA\\DAV\\DAV\\GroupPrincipalBackend' => __DIR__ . '/..' . '/../lib/DAV/GroupPrincipalBackend.php',
         'OCA\\DAV\\DAV\\PublicAuth' => __DIR__ . '/..' . '/../lib/DAV/PublicAuth.php',
@@ -133,6 +135,12 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\DAV\\Sharing\\Xml\\Invite' => __DIR__ . '/..' . '/../lib/DAV/Sharing/Xml/Invite.php',
         'OCA\\DAV\\DAV\\Sharing\\Xml\\ShareRequest' => __DIR__ . '/..' . '/../lib/DAV/Sharing/Xml/ShareRequest.php',
         'OCA\\DAV\\DAV\\SystemPrincipalBackend' => __DIR__ . '/..' . '/../lib/DAV/SystemPrincipalBackend.php',
+        'OCA\\DAV\\Db\\Direct' => __DIR__ . '/..' . '/../lib/Db/Direct.php',
+        'OCA\\DAV\\Db\\DirectMapper' => __DIR__ . '/..' . '/../lib/Db/DirectMapper.php',
+        'OCA\\DAV\\Direct\\DirectFile' => __DIR__ . '/..' . '/../lib/Direct/DirectFile.php',
+        'OCA\\DAV\\Direct\\DirectHome' => __DIR__ . '/..' . '/../lib/Direct/DirectHome.php',
+        'OCA\\DAV\\Direct\\Server' => __DIR__ . '/..' . '/../lib/Direct/Server.php',
+        'OCA\\DAV\\Direct\\ServerFactory' => __DIR__ . '/..' . '/../lib/Direct/ServerFactory.php',
         'OCA\\DAV\\Files\\BrowserErrorPagePlugin' => __DIR__ . '/..' . '/../lib/Files/BrowserErrorPagePlugin.php',
         'OCA\\DAV\\Files\\FileSearchBackend' => __DIR__ . '/..' . '/../lib/Files/FileSearchBackend.php',
         'OCA\\DAV\\Files\\FilesHome' => __DIR__ . '/..' . '/../lib/Files/FilesHome.php',
@@ -148,6 +156,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Migration\\Version1004Date20170919104507' => __DIR__ . '/..' . '/../lib/Migration/Version1004Date20170919104507.php',
         'OCA\\DAV\\Migration\\Version1004Date20170924124212' => __DIR__ . '/..' . '/../lib/Migration/Version1004Date20170924124212.php',
         'OCA\\DAV\\Migration\\Version1004Date20170926103422' => __DIR__ . '/..' . '/../lib/Migration/Version1004Date20170926103422.php',
+        'OCA\\DAV\\Migration\\Version1005Date20180413093149' => __DIR__ . '/..' . '/../lib/Migration/Version1005Date20180413093149.php',
         'OCA\\DAV\\RootCollection' => __DIR__ . '/..' . '/../lib/RootCollection.php',
         'OCA\\DAV\\Server' => __DIR__ . '/..' . '/../lib/Server.php',
         'OCA\\DAV\\Settings\\CalDAVSettings' => __DIR__ . '/..' . '/../lib/Settings/CalDAVSettings.php',

apps/dav/lib/BackgroundJob/CleanupDirectLinksJob.php

@@ -0,0 +1,50 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\BackgroundJob;
+
+use OC\BackgroundJob\TimedJob;
+use OCA\DAV\Db\DirectMapper;
+use OCP\AppFramework\Utility\ITimeFactory;
+
+class CleanupDirectLinksJob extends TimedJob {
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/** @var DirectMapper */
+	private $mapper;
+
+	public function __construct(ITimeFactory $timeFactory, DirectMapper $mapper) {
+		$this->setInterval(60*60*24);
+
+		$this->timeFactory = $timeFactory;
+		$this->mapper = $mapper;
+	}
+
+	protected function run($argument) {
+		// Delete all shares expired 24 hours ago
+		$this->mapper->deleteExpired($this->timeFactory->getTime() - 60*60*24);
+	}
+
+}

apps/dav/lib/Controller/DirectController.php

@@ -0,0 +1,113 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Controller;
+
+use OCA\DAV\Db\Direct;
+use OCA\DAV\Db\DirectMapper;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCS\OCSBadRequestException;
+use OCP\AppFramework\OCS\OCSNotFoundException;
+use OCP\AppFramework\OCSController;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\File;
+use OCP\Files\IRootFolder;
+use OCP\IRequest;
+use OCP\IURLGenerator;
+use OCP\Security\ISecureRandom;
+
+class DirectController extends OCSController {
+
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	/** @var string */
+	private $userId;
+
+	/** @var DirectMapper */
+	private $mapper;
+
+	/** @var ISecureRandom */
+	private $random;
+
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+
+	public function __construct(string $appName,
+								IRequest $request,
+								IRootFolder $rootFolder,
+								string $userId,
+								DirectMapper $mapper,
+								ISecureRandom $random,
+								ITimeFactory $timeFactory,
+								IURLGenerator $urlGenerator) {
+		parent::__construct($appName, $request);
+
+		$this->rootFolder = $rootFolder;
+		$this->userId = $userId;
+		$this->mapper = $mapper;
+		$this->random = $random;
+		$this->timeFactory = $timeFactory;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 */
+	public function getUrl(int $fileId): DataResponse {
+		$userFolder = $this->rootFolder->getUserFolder($this->userId);
+
+		$files = $userFolder->getById($fileId);
+
+		if ($files === []) {
+			throw new OCSNotFoundException();
+		}
+
+		$file = array_shift($files);
+		if (!($file instanceof File)) {
+			throw new OCSBadRequestException('Direct download only works for files');
+		}
+
+		//TODO: at some point we should use the directdownlaod function of storages
+		$direct = new Direct();
+		$direct->setUserId($this->userId);
+		$direct->setFileId($fileId);
+
+		$token = $this->random->generate(60, ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS);
+		$direct->setToken($token);
+		$direct->setExpiration($this->timeFactory->getTime() + 60 * 60 * 8);
+
+		$this->mapper->insert($direct);
+
+		$url = $this->urlGenerator->getAbsoluteURL('remote.php/direct/'.$token);
+
+		return new DataResponse([
+			'url' => $url,
+		]);
+	}
+}

apps/dav/lib/Db/Direct.php

@@ -0,0 +1,58 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Db;
+
+use OCP\AppFramework\Db\Entity;
+
+/**
+ * @method string getUserId()
+ * @method void setUserId(string $userId)
+ * @method int getFileId()
+ * @method void setFileId(int $fileId)
+ * @method string getToken()
+ * @method void setToken(string $token)
+ * @method int getExpiration()
+ * @method void setExpiration(int $expiration)
+ */
+class Direct extends Entity {
+	/** @var string */
+	protected $userId;
+
+	/** @var int */
+	protected $fileId;
+
+	/** @var string */
+	protected $token;
+
+	/** @var int */
+	protected $expiration;
+
+	public function __construct() {
+		$this->addType('userId', 'string');
+		$this->addType('fileId', 'int');
+		$this->addType('token', 'string');
+		$this->addType('expiration', 'int');
+	}
+}

apps/dav/lib/Db/DirectMapper.php

@@ -0,0 +1,72 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Db\Mapper;
+use OCP\IDBConnection;
+
+class DirectMapper extends Mapper {
+
+	public function __construct(IDBConnection $db) {
+		parent::__construct($db, 'directlink', Direct::class);
+	}
+
+	/**
+	 * @param string $token
+	 * @return Direct
+	 * @throws DoesNotExistException
+	 */
+	public function getByToken(string $token): Direct {
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->select('*')
+			->from('directlink')
+			->where(
+				$qb->expr()->eq('token', $qb->createNamedParameter($token))
+			);
+
+		$cursor = $qb->execute();
+		$data = $cursor->fetch();
+		$cursor->closeCursor();
+
+		if ($data === false) {
+			throw new DoesNotExistException('Direct link with token does not exist');
+		}
+
+		return Direct::fromRow($data);
+	}
+
+	public function deleteExpired(int $expiration) {
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->delete('directlink')
+			->where(
+				$qb->expr()->lt('expiration', $qb->createNamedParameter($expiration))
+			);
+
+		$qb->execute();
+	}
+}

apps/dav/lib/Direct/DirectFile.php

@@ -0,0 +1,110 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Direct;
+
+use OCA\DAV\Db\Direct;
+use OCP\Files\File;
+use OCP\Files\IRootFolder;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\IFile;
+
+class DirectFile implements IFile {
+	/** @var Direct */
+	private $direct;
+
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	/** @var File */
+	private $file;
+
+	public function __construct(Direct $direct, IRootFolder $rootFolder) {
+		$this->direct = $direct;
+		$this->rootFolder = $rootFolder;
+	}
+
+	public function put($data) {
+		throw new Forbidden();
+	}
+
+	public function get() {
+		$this->getFile();
+
+		return $this->file->fopen('rb');
+	}
+
+	public function getContentType() {
+		$this->getFile();
+
+		return $this->file->getMimeType();
+	}
+
+	public function getETag() {
+		$this->getFile();
+
+		return $this->file->getEtag();
+	}
+
+	public function getSize() {
+		$this->getFile();
+
+		return $this->file->getSize();
+	}
+
+	public function delete() {
+		throw new Forbidden();
+	}
+
+	public function getName() {
+		return $this->direct->getToken();
+	}
+
+	public function setName($name) {
+		throw new Forbidden();
+	}
+
+	public function getLastModified() {
+		$this->getFile();
+
+		return $this->file->getMTime();
+	}
+
+	private function getFile() {
+		if ($this->file === null) {
+			$userFolder = $this->rootFolder->getUserFolder($this->direct->getUserId());
+			$files = $userFolder->getById($this->direct->getFileId());
+
+			if ($files === []) {
+				throw new NotFound();
+			}
+
+			$this->file = array_shift($files);
+		}
+
+		return $this->file;
+	}
+
+}

apps/dav/lib/Direct/DirectHome.php

@@ -0,0 +1,118 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Direct;
+
+use OC\Security\Bruteforce\Throttler;
+use OCA\DAV\Db\DirectMapper;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IRootFolder;
+use OCP\IRequest;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\MethodNotAllowed;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\ICollection;
+
+class DirectHome implements ICollection {
+
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	/** @var DirectMapper */
+	private $mapper;
+
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/** @var Throttler */
+	private $throttler;
+
+	/** @var IRequest */
+	private $request;
+
+	public function __construct(IRootFolder $rootFolder,
+								DirectMapper $mapper,
+								ITimeFactory $timeFactory,
+								Throttler $throttler,
+								IRequest $request) {
+		$this->rootFolder = $rootFolder;
+		$this->mapper = $mapper;
+		$this->timeFactory = $timeFactory;
+		$this->throttler = $throttler;
+		$this->request = $request;
+	}
+
+	public function createFile($name, $data = null) {
+		throw new Forbidden();
+	}
+
+	public function createDirectory($name) {
+		throw new Forbidden();
+	}
+
+	public function getChild($name): DirectFile {
+		try {
+			$direct = $this->mapper->getByToken($name);
+
+			// Expired
+			if ($direct->getExpiration() < $this->timeFactory->getTime()) {
+				throw new NotFound();
+			}
+
+			return new DirectFile($direct, $this->rootFolder);
+		} catch (DoesNotExistException $e) {
+			// Since the token space is so huge only throttle on non exsisting token
+			$this->throttler->registerAttempt('directlink', $this->request->getRemoteAddress());
+			$this->throttler->sleepDelay($this->request->getRemoteAddress(), 'directlink');
+
+			throw new NotFound();
+		}
+	}
+
+	public function getChildren() {
+		throw new MethodNotAllowed('Listing members of this collection is disabled');
+	}
+
+	public function childExists($name): bool {
+		return false;
+	}
+
+	public function delete() {
+		throw new Forbidden();
+	}
+
+	public function getName(): string {
+		return 'direct';
+	}
+
+	public function setName($name) {
+		throw new Forbidden();
+	}
+
+	public function getLastModified(): int {
+		return 0;
+	}
+
+}

apps/dav/lib/Direct/Server.php

@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Direct;
+
+class Server extends \Sabre\DAV\Server {
+	public function __construct($treeOrNode = null) {
+		parent::__construct($treeOrNode);
+		self::$exposeVersion = false;
+		$this->enablePropfindDepthInfinityf = false;
+	}
+}

apps/dav/lib/Direct/ServerFactory.php

@@ -0,0 +1,61 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Direct;
+
+use OC\Security\Bruteforce\Throttler;
+use OCA\DAV\Db\DirectMapper;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IRootFolder;
+use OCP\IConfig;
+use OCP\IRequest;
+
+class ServerFactory {
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(IConfig $config) {
+		$this->config = $config;
+	}
+
+	public function createServer(string $baseURI,
+								 string $requestURI,
+								 IRootFolder $rootFolder,
+								 DirectMapper $mapper,
+								 ITimeFactory $timeFactory,
+								 Throttler $throttler,
+								 IRequest $request): Server {
+		$home = new DirectHome($rootFolder, $mapper, $timeFactory, $throttler, $request);
+		$server = new Server($home);
+
+		$server->httpRequest->setUrl($requestURI);
+		$server->setBaseUri($baseURI);
+
+		$server->addPlugin(new \OCA\DAV\Connector\Sabre\MaintenancePlugin($this->config));
+
+		return $server;
+
+
+	}
+}

apps/dav/lib/Migration/Version1005Date20180413093149.php

@@ -0,0 +1,80 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Migration;
+
+use Doctrine\DBAL\Types\Type;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+
+class Version1005Date20180413093149 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('directlink')) {
+			$table = $schema->createTable('directlink');
+
+			$table->addColumn('id',Type::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('user_id', Type::STRING, [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('file_id', Type::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('token', Type::STRING, [
+				'notnull' => false,
+				'length' => 60,
+			]);
+			$table->addColumn('expiration', Type::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+
+			$table->setPrimaryKey(['id'], 'directlink_id_idx');
+			$table->addIndex(['token'], 'directlink_token_idx');
+			$table->addIndex(['expiration'], 'directlink_expiration_idx');
+
+			return $schema;
+		}
+	}
+}

apps/dav/tests/unit/Controller/DirectControllerTest.php

@@ -0,0 +1,155 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Tests\Unit\DAV\Controller;
+
+use OCA\DAV\Controller\DirectController;
+use OCA\DAV\Db\Direct;
+use OCA\DAV\Db\DirectMapper;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCS\OCSBadRequestException;
+use OCP\AppFramework\OCS\OCSNotFoundException;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\File;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\IRequest;
+use OCP\IURLGenerator;
+use OCP\Security\ISecureRandom;
+use Test\TestCase;
+
+class DirectControllerTest extends TestCase {
+
+	/** @var IRootFolder|\PHPUnit_Framework_MockObject_MockObject */
+	private $rootFolder;
+
+	/** @var DirectMapper|\PHPUnit_Framework_MockObject_MockObject */
+	private $directMapper;
+
+	/** @var ISecureRandom|\PHPUnit_Framework_MockObject_MockObject */
+	private $random;
+
+	/** @var ITimeFactory|\PHPUnit_Framework_MockObject_MockObject */
+	private $timeFactory;
+
+	/** @var IURLGenerator|\PHPUnit_Framework_MockObject_MockObject */
+	private $urlGenerator;
+
+	/** @var DirectController */
+	private $controller;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->rootFolder = $this->createMock(IRootFolder::class);
+		$this->directMapper = $this->createMock(DirectMapper::class);
+		$this->random = $this->createMock(ISecureRandom::class);
+		$this->timeFactory = $this->createMock(ITimeFactory::class);
+		$this->urlGenerator = $this->createMock(IURLGenerator::class);
+
+		$this->controller = new DirectController(
+			'dav',
+			$this->createMock(IRequest::class),
+			$this->rootFolder,
+			'awesomeUser',
+			$this->directMapper,
+			$this->random,
+			$this->timeFactory,
+			$this->urlGenerator
+		);
+	}
+
+	public function testGetUrlNonExistingFileId() {
+		$userFolder = $this->createMock(Folder::class);
+		$this->rootFolder->method('getUserFolder')
+			->with('awesomeUser')
+			->willReturn($userFolder);
+
+		$userFolder->method('getById')
+			->with(101)
+			->willReturn([]);
+
+		$this->expectException(OCSNotFoundException::class);
+		$this->controller->getUrl(101);
+	}
+
+	public function testGetUrlForFolder() {
+		$userFolder = $this->createMock(Folder::class);
+		$this->rootFolder->method('getUserFolder')
+			->with('awesomeUser')
+			->willReturn($userFolder);
+
+		$folder = $this->createMock(Folder::class);
+
+		$userFolder->method('getById')
+			->with(101)
+			->willReturn([$folder]);
+
+		$this->expectException(OCSBadRequestException::class);
+		$this->controller->getUrl(101);
+	}
+
+	public function testGetUrlValid() {
+		$userFolder = $this->createMock(Folder::class);
+		$this->rootFolder->method('getUserFolder')
+			->with('awesomeUser')
+			->willReturn($userFolder);
+
+		$file = $this->createMock(File::class);
+
+		$this->timeFactory->method('getTime')
+			->willReturn(42);
+
+		$userFolder->method('getById')
+			->with(101)
+			->willReturn([$file]);
+
+		$this->random->method('generate')
+			->with(
+				60,
+				ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_DIGITS
+			)->willReturn('superduperlongtoken');
+
+		$this->directMapper->expects($this->once())
+			->method('insert')
+			->willReturnCallback(function (Direct $direct) {
+				$this->assertSame('awesomeUser', $direct->getUserId());
+				$this->assertSame(101, $direct->getFileId());
+				$this->assertSame('superduperlongtoken', $direct->getToken());
+				$this->assertSame(42 + 60*60*8, $direct->getExpiration());
+			});
+
+		$this->urlGenerator->method('getAbsoluteURL')
+			->willReturnCallback(function(string $url) {
+				return 'https://my.nextcloud/'.$url;
+			});
+
+		$result = $this->controller->getUrl(101);
+
+		$this->assertInstanceOf(DataResponse::class, $result);
+		$this->assertSame([
+			'url' => 'https://my.nextcloud/remote.php/direct/superduperlongtoken',
+		], $result->getData());
+	}
+}

apps/dav/tests/unit/Direct/DirectFileTest.php

@@ -0,0 +1,132 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Tests\Unit\Direct;
+
+use OCA\DAV\Db\Direct;
+use OCA\DAV\Direct\DirectFile;
+use OCP\Files\File;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use Sabre\DAV\Exception\Forbidden;
+use Test\TestCase;
+
+class DirectFileTest extends TestCase {
+
+	/** @var Direct */
+	private $direct;
+
+	/** @var IRootFolder|\PHPUnit_Framework_MockObject_MockObject */
+	private $rootFolder;
+
+	/** @var Folder|\PHPUnit_Framework_MockObject_MockObject */
+	private $userFolder;
+
+	/** @var File|\PHPUnit_Framework_MockObject_MockObject */
+	private $file;
+
+	/** @var DirectFile */
+	private $directFile;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->direct = Direct::fromParams([
+			'userId' => 'directUser',
+			'token' => 'directToken',
+			'fileId' => 42,
+		]);
+
+		$this->rootFolder = $this->createMock(IRootFolder::class);
+
+		$this->userFolder = $this->createMock(Folder::class);
+		$this->rootFolder->method('getUserFolder')
+			->with('directUser')
+			->willReturn($this->userFolder);
+
+		$this->file = $this->createMock(File::class);
+		$this->userFolder->method('getById')
+			->with(42)
+			->willReturn([$this->file]);
+
+		$this->directFile = new DirectFile($this->direct, $this->rootFolder);
+	}
+
+	public function testPut() {
+		$this->expectException(Forbidden::class);
+
+		$this->directFile->put('foo');
+	}
+
+	public function testGet() {
+		$this->file->expects($this->once())
+			->method('fopen')
+			->with('rb');
+		$this->directFile->get();
+	}
+
+	public function testGetContentType() {
+		$this->file->method('getMimeType')
+			->willReturn('direct/type');
+
+		$this->assertSame('direct/type', $this->directFile->getContentType());
+	}
+
+	public function testGetETag() {
+		$this->file->method('getEtag')
+			->willReturn('directEtag');
+
+		$this->assertSame('directEtag', $this->directFile->getETag());
+	}
+
+	public function testGetSize() {
+		$this->file->method('getSize')
+			->willReturn(42);
+
+		$this->assertSame(42, $this->directFile->getSize());
+	}
+
+	public function testDelete() {
+		$this->expectException(Forbidden::class);
+
+		$this->directFile->delete();
+	}
+
+	public function testGetName() {
+		$this->assertSame('directToken', $this->directFile->getName());
+	}
+
+	public function testSetName() {
+		$this->expectException(Forbidden::class);
+
+		$this->directFile->setName('foobar');
+	}
+
+	public function testGetLastModified() {
+		$this->file->method('getMTime')
+			->willReturn(42);
+
+		$this->assertSame(42, $this->directFile->getLastModified());
+	}
+}

apps/dav/tests/unit/Direct/DirectHomeTest.php

@@ -0,0 +1,182 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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\Tests\Unit\Direct;
+
+use OC\Security\Bruteforce\Throttler;
+use OCA\DAV\Db\Direct;
+use OCA\DAV\Db\DirectMapper;
+use OCA\DAV\Direct\DirectFile;
+use OCA\DAV\Direct\DirectHome;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Files\IRootFolder;
+use OCP\IRequest;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\MethodNotAllowed;
+use Sabre\DAV\Exception\NotFound;
+use Test\TestCase;
+
+class DirectHomeTest extends TestCase {
+
+	/** @var DirectMapper|\PHPUnit_Framework_MockObject_MockObject */
+	private $directMapper;
+
+	/** @var IRootFolder|\PHPUnit_Framework_MockObject_MockObject */
+	private $rootFolder;
+
+	/** @var ITimeFactory|\PHPUnit_Framework_MockObject_MockObject */
+	private $timeFactory;
+
+	/** @var Throttler|\PHPUnit_Framework_MockObject_MockObject */
+	private $throttler;
+
+	/** @var IRequest */
+	private $request;
+
+	/** @var DirectHome */
+	private $directHome;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->directMapper = $this->createMock(DirectMapper::class);
+		$this->rootFolder = $this->createMock(IRootFolder::class);
+		$this->timeFactory = $this->createMock(ITimeFactory::class);
+		$this->throttler = $this->createMock(Throttler::class);
+		$this->request = $this->createMock(IRequest::class);
+
+		$this->timeFactory->method('getTime')
+			->willReturn(42);
+
+		$this->request->method('getRemoteAddress')
+			->willReturn('1.2.3.4');
+
+		$this->directHome = new DirectHome(
+			$this->rootFolder,
+			$this->directMapper,
+			$this->timeFactory,
+			$this->throttler,
+			$this->request
+		);
+	}
+
+	public function testCreateFile() {
+		$this->expectException(Forbidden::class);
+
+		$this->directHome->createFile('foo', 'bar');
+	}
+
+	public function testCreateDirectory() {
+		$this->expectException(Forbidden::class);
+
+		$this->directHome->createDirectory('foo');
+	}
+
+	public function testGetChildren() {
+		$this->expectException(MethodNotAllowed::class);
+
+		$this->directHome->getChildren();
+	}
+
+	public function testChildExists() {
+		$this->assertFalse($this->directHome->childExists('foo'));
+	}
+
+	public function testDelete() {
+		$this->expectException(Forbidden::class);
+
+		$this->directHome->delete();
+	}
+
+	public function testGetName() {
+		$this->assertSame('direct', $this->directHome->getName());
+	}
+
+	public function testSetName() {
+		$this->expectException(Forbidden::class);
+
+		$this->directHome->setName('foo');
+	}
+
+	public function testGetLastModified() {
+		$this->assertSame(0, $this->directHome->getLastModified());
+	}
+
+	public function testGetChildValid() {
+		$direct = Direct::fromParams([
+			'expiration' => 100,
+		]);
+
+		$this->directMapper->method('getByToken')
+			->with('longtoken')
+			->willReturn($direct);
+
+		$this->throttler->expects($this->never())
+			->method($this->anything());
+
+		$result = $this->directHome->getChild('longtoken');
+		$this->assertInstanceOf(DirectFile::class, $result);
+	}
+
+	public function testGetChildExpired() {
+		$direct = Direct::fromParams([
+			'expiration' => 41,
+		]);
+
+		$this->directMapper->method('getByToken')
+			->with('longtoken')
+			->willReturn($direct);
+
+		$this->throttler->expects($this->never())
+			->method($this->anything());
+
+		$this->expectException(NotFound::class);
+
+		$this->directHome->getChild('longtoken');
+	}
+
+	public function testGetChildInvalid() {
+		$this->directMapper->method('getByToken')
+			->with('longtoken')
+			->willThrowException(new DoesNotExistException('not found'));
+
+		$this->throttler->expects($this->once())
+			->method('registerAttempt')
+			->with(
+				'directlink',
+				'1.2.3.4'
+			);
+		$this->throttler->expects($this->once())
+			->method('sleepDelay')
+			->with(
+				'1.2.3.4',
+				'directlink'
+			);
+
+		$this->expectException(NotFound::class);
+
+		$this->directHome->getChild('longtoken');
+	}
+}

remote.php

@@ -100,6 +100,7 @@ function resolveService($service) {
 		'carddav' => 'dav/appinfo/v1/carddav.php',
 		'contacts' => 'dav/appinfo/v1/carddav.php',
 		'files' => 'dav/appinfo/v1/webdav.php',
+		'direct' => 'dav/appinfo/v2/direct.php',
 	];
 	if (isset($services[$service])) {
 		return $services[$service];