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-rw-r--r--lib/private/files/storage/common.php4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/private/files/storage/common.php b/lib/private/files/storage/common.php
index edc570c967d..1d4801e5b97 100644
--- a/lib/private/files/storage/common.php
+++ b/lib/private/files/storage/common.php
@@ -613,6 +613,10 @@ abstract class Common implements Storage, ILockingStorage {
return $this->rename($sourceInternalPath, $targetInternalPath);
}
+ if (!$sourceStorage->isDeletable($sourceInternalPath)) {
+ return false;
+ }
+
$result = $this->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, true);
if ($result) {
if ($sourceStorage->is_dir($sourceInternalPath)) {