Merge pull request #25832 from owncloud/stable9-dont-decrypt-shared-files

[stable9] Don't decrypt shared files

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/private/encryption/decryptall.php b/lib/private/encryption/decryptall.php
index 34a3e1bff91..376cdd3d5aa 100644
--- a/lib/private/encryption/decryptall.php
+++ b/lib/private/encryption/decryptall.php
@@ -206,6 +206,10 @@ class DecryptAll {
 		while ($root = array_pop($directories)) {
 			$content = $this->rootView->getDirectoryContent($root);
 			foreach ($content as $file) {
+				// only decrypt files owned by the user
+				if($file->getStorage()->instanceOfStorage('OC\Files\Storage\Shared')) {
+						continue;
+				}
 				$path = $root . '/' . $file['name'];
 				if ($this->rootView->is_dir($path)) {
 					$directories[] = $path;