Implement CloudFederationProvider for Talk

Signed-off-by: Gary Kim <[email protected]>

appinfo/info.xml

@@ -16,7 +16,7 @@ And in the works for the [coming versions](https://github.com/nextcloud/spreed/m
 
 	]]></description>
 
-	<version>13.0.0-dev</version>
+	<version>13.0.0-dev.1</version>
 	<licence>agpl</licence>
 
 	<author>Daniel Calviño Sánchez</author>

appinfo/routes.php

@@ -523,6 +523,27 @@
 			],
 		],
 
+		/**
+		 * Federation
+		 */
+
+		[
+			'name' => 'Federation#acceptShare',
+			'url' => 'api/{apiVersion}/federation/pending/{id}',
+			'verb' => 'POST',
+			'requirements' => [
+				'apiVersion' => 'v1',
+			],
+		],
+		[
+			'name' => 'Federation#rejectShare',
+			'url' => 'api/{apiVersion}/federation/pending/{id}',
+			'verb' => 'DELETE',
+			'requirements' => [
+				'apiVersion' => 'v1',
+			],
+		],
+
 		/**
 		 * PublicShareAuth
 		 */

lib/BackgroundJob/RemoveEmptyRooms.php

@@ -23,6 +23,7 @@
 
 namespace OCA\Talk\BackgroundJob;
 
+use OCA\Talk\Federation\FederationManager;
 use OCA\Talk\Service\ParticipantService;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\BackgroundJob\TimedJob;
@@ -46,6 +47,9 @@ class RemoveEmptyRooms extends TimedJob {
 	/** @var LoggerInterface */
 	protected $logger;
 
+	/** @var FederationManager */
+	protected $federationManager;
+
 	protected $numDeletedRooms = 0;
 
 	public function __construct(ITimeFactory $timeFactory,
@@ -77,7 +81,7 @@ public function callback(Room $room): void {
 			return;
 		}
 
-		if ($this->participantService->getNumberOfActors($room) === 0 && $room->getObjectType() !== 'file') {
+		if ($this->participantService->getNumberOfActors($room) === 0 && $room->getObjectType() !== 'file' && $this->federationManager->getNumberOfInvitations($room) === 0) {
 			$room->deleteRoom();
 			$this->numDeletedRooms++;
 		}

lib/Controller/FederationController.php

@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021, Gary Kim <[email protected]>
+ *
+ * @author Gary Kim <[email protected]>
+ *
+ * @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\Talk\Controller;
+
+use OCA\Talk\AppInfo\Application;
+use OCA\Talk\Exceptions\UnauthorizedException;
+use OCA\Talk\Federation\FederationManager;
+use OCP\AppFramework\Db\MultipleObjectsReturnedException;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCSController;
+use OCP\DB\Exception as DBException;
+use OCP\IRequest;
+use OCP\IUser;
+use OCP\IUserSession;
+
+class FederationController extends OCSController {
+	/** @var FederationManager */
+	private $federationManager;
+
+	/** @var IUserSession */
+	private $userSession;
+
+	public function __construct(IRequest $request, FederationManager $federationManager, IUserSession $userSession) {
+		parent::__construct(Application::APP_ID, $request);
+		$this->federationManager = $federationManager;
+		$this->userSession = $userSession;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param int $id
+	 * @return DataResponse
+	 * @throws UnauthorizedException
+	 * @throws DBException
+	 * @throws MultipleObjectsReturnedException
+	 */
+	public function acceptShare(int $id): DataResponse {
+		$user = $this->userSession->getUser();
+		if (!$user instanceof IUser) {
+			throw new UnauthorizedException();
+		}
+		$this->federationManager->acceptRemoteRoomShare($user, $id);
+		return new DataResponse();
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param int $id
+	 * @return DataResponse
+	 * @throws UnauthorizedException
+	 * @throws DBException
+	 * @throws MultipleObjectsReturnedException
+	 */
+	public function rejectShare(int $id): DataResponse {
+		$user = $this->userSession->getUser();
+		if (!$user instanceof IUser) {
+			throw new UnauthorizedException();
+		}
+		$this->federationManager->rejectRemoteRoomShare($user, $id);
+		return new DataResponse();
+	}
+}