1 files changed, 40 insertions, 25 deletions

diff --git a/apps/files_versions/lib/Sabre/Plugin.php b/apps/files_versions/lib/Sabre/Plugin.php
index 5a127b4251d..984c4a36e5b 100644
--- a/apps/files_versions/lib/Sabre/Plugin.php
+++ b/apps/files_versions/lib/Sabre/Plugin.php
@@ -3,45 +3,39 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @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/>.
- *
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\Files_Versions\Sabre;
 
 use OC\AppFramework\Http\Request;
+use OCA\DAV\Connector\Sabre\FilesPlugin;
+use OCP\IPreview;
 use OCP\IRequest;
 use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\INode;
+use Sabre\DAV\PropFind;
+use Sabre\DAV\PropPatch;
 use Sabre\DAV\Server;
 use Sabre\DAV\ServerPlugin;
 use Sabre\HTTP\RequestInterface;
 use Sabre\HTTP\ResponseInterface;
 
 class Plugin extends ServerPlugin {
+	private Server $server;
 
-	/** @var Server */
-	private $server;
-	/** @var IRequest */
-	private $request;
+	public const LABEL = 'label';
 
-	public function __construct(IRequest $request) {
+	public const AUTHOR = 'author';
+
+	public const VERSION_LABEL = '{http://nextcloud.org/ns}version-label';
+
+	public const VERSION_AUTHOR = '{http://nextcloud.org/ns}version-author'; // dav property for author
+
+	public function __construct(
+		private IRequest $request,
+		private IPreview $previewManager,
+	) {
 		$this->request = $request;
 	}
 
@@ -49,6 +43,8 @@ class Plugin extends ServerPlugin {
 		$this->server = $server;
 
 		$server->on('afterMethod:GET', [$this, 'afterGet']);
+		$server->on('propFind', [$this, 'propFind']);
+		$server->on('propPatch', [$this, 'propPatch']);
 	}
 
 	public function afterGet(RequestInterface $request, ResponseInterface $response) {
@@ -81,4 +77,23 @@ class Plugin extends ServerPlugin {
 				. '; filename="' . rawurlencode($filename) . '"');
 		}
 	}
+
+	public function propFind(PropFind $propFind, INode $node): void {
+		if ($node instanceof VersionFile) {
+			$propFind->handle(self::VERSION_LABEL, fn () => $node->getMetadataValue(self::LABEL));
+			$propFind->handle(self::VERSION_AUTHOR, fn () => $node->getMetadataValue(self::AUTHOR));
+			$propFind->handle(
+				FilesPlugin::HAS_PREVIEW_PROPERTYNAME,
+				fn (): string => $this->previewManager->isMimeSupported($node->getContentType()) ? 'true' : 'false',
+			);
+		}
+	}
+
+	public function propPatch($path, PropPatch $propPatch): void {
+		$node = $this->server->tree->getNodeForPath($path);
+
+		if ($node instanceof VersionFile) {
+			$propPatch->handle(self::VERSION_LABEL, fn (string $label) => $node->setMetadataValue(self::LABEL, $label));
+		}
+	}
 }