1 files changed, 32 insertions, 31 deletions

diff --git a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
index 20d05c047b1..f75e19689f1 100644
--- a/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
+++ b/apps/dav/lib/CalDAV/Trashbin/DeletedCalendarObjectsCollection.php
@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- *
- * @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: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 namespace OCA\DAV\CalDAV\Trashbin;
 
@@ -31,23 +14,22 @@ use Sabre\DAV\Exception\BadRequest;
 use Sabre\DAV\Exception\Forbidden;
 use Sabre\DAV\Exception\NotFound;
 use Sabre\DAV\Exception\NotImplemented;
+use Sabre\DAVACL\ACLTrait;
+use Sabre\DAVACL\IACL;
 use function array_map;
 use function implode;
 use function preg_match;
 
-class DeletedCalendarObjectsCollection implements ICalendarObjectContainer {
-	public const NAME = 'objects';
-
-	/** @var CalDavBackend */
-	protected $caldavBackend;
+class DeletedCalendarObjectsCollection implements ICalendarObjectContainer, IACL {
+	use ACLTrait;
 
-	/** @var mixed[] */
-	private $principalInfo;
+	public const NAME = 'objects';
 
-	public function __construct(CalDavBackend $caldavBackend,
-								array $principalInfo) {
-		$this->caldavBackend = $caldavBackend;
-		$this->principalInfo = $principalInfo;
+	public function __construct(
+		protected CalDavBackend $caldavBackend,
+		/** @var mixed[] */
+		private array $principalInfo,
+	) {
 	}
 
 	/**
@@ -64,7 +46,7 @@ class DeletedCalendarObjectsCollection implements ICalendarObjectContainer {
 
 		$data = $this->caldavBackend->getCalendarObjectById(
 			$this->principalInfo['uri'],
-			(int) $matches[1],
+			(int)$matches[1],
 		);
 
 		// If the object hasn't been deleted yet then we don't want to find it here
@@ -129,4 +111,23 @@ class DeletedCalendarObjectsCollection implements ICalendarObjectContainer {
 			[$calendarInfo['id'], 'ics'],
 		);
 	}
+
+	public function getOwner() {
+		return $this->principalInfo['uri'];
+	}
+
+	public function getACL(): array {
+		return [
+			[
+				'privilege' => '{DAV:}read',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			],
+			[
+				'privilege' => '{DAV:}unbind',
+				'principal' => '{DAV:}owner',
+				'protected' => true,
+			]
+		];
+	}
 }