files: remove destination file before copying new content (WORM)

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
nextcloud · Sep 16, 2022 · 8fc4cf6 · 8fc4cf6
1 parent b6065a2
commit 8fc4cf6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/private/Files/Storage/Local.php b/lib/private/Files/Storage/Local.php
@@ -372,6 +372,8 @@ public function copy($path1, $path2) {
 			return parent::copy($path1, $path2);
 		} else {
 			$oldMask = umask($this->defUMask);
+			// support Write-Once-Read-Many filesystems
+			$this->unlink($path2);
 			$result = copy($this->getSourcePath($path1), $this->getSourcePath($path2));
 			umask($oldMask);
 			return $result;