3 files changed, 6 insertions, 3 deletions
diff --git a/apps/files/lib/Controller/ApiController.php b/apps/files/lib/Controller/ApiController.php
index 9c683b7f41f..8bb024fb698 100644
--- a/apps/files/lib/Controller/ApiController.php
+++ b/apps/files/lib/Controller/ApiController.php
@@ -105,11 +105,12 @@ class ApiController extends Controller {
 			}
 
 			// Validate the user is allowed to download the file (preview is some kind of download)
+			/** @var ISharedStorage $storage */
 			$storage = $file->getStorage();
 			if ($storage->instanceOfStorage(ISharedStorage::class)) {
-				/** @var ISharedStorage $storage */
-				$attributes = $storage->getShare()->getAttributes();
-				if ($attributes !== null && $attributes->getAttribute('permissions', 'download') === false) {
+				/** @var IShare $share */
+				$share = $storage->getShare();
+				if (!$share->canSeeContent()) {
 					throw new NotFoundException();
 				}
 			}
diff --git a/apps/files/lib/Controller/DirectEditingController.php b/apps/files/lib/Controller/DirectEditingController.php
index 2c910006df5..c8addc33e98 100644
--- a/apps/files/lib/Controller/DirectEditingController.php
+++ b/apps/files/lib/Controller/DirectEditingController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/apps/files/lib/Controller/DirectEditingViewController.php b/apps/files/lib/Controller/DirectEditingViewController.php
index 1d78e2af0e0..b13e68f7766 100644
--- a/apps/files/lib/Controller/DirectEditingViewController.php
+++ b/apps/files/lib/Controller/DirectEditingViewController.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later