diff --git a/lib/private/Files/Storage/Local.php b/lib/private/Files/Storage/Local.php index 423de64acb1d9..fb7b33eb6dfeb 100644 --- a/lib/private/Files/Storage/Local.php +++ b/lib/private/Files/Storage/Local.php @@ -513,7 +513,10 @@ private function calculateEtag(string $path, array $stat): string { * @return bool */ public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) { - if ($sourceStorage->instanceOfStorage(Local::class)) { + // Don't treat ACLStorageWrapper like local storage where copy can be done directly. + // Instead use the slower recursive copying in php from Common::copyFromStorage with + // more permissions checks. + if ($sourceStorage->instanceOfStorage(Local::class) && !$sourceStorage->instanceOfStorage('OCA\GroupFolders\ACL\ACLStorageWrapper')) { if ($sourceStorage->instanceOfStorage(Jail::class)) { /** * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage