Delete chunks if the move on an upload failed

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/dav/lib/Upload/ChunkingPlugin.php

@@ -26,6 +26,7 @@
 namespace OCA\DAV\Upload;
 
 use OCA\DAV\Connector\Sabre\Directory;
+use OCA\DAV\Connector\Sabre\Exception\Forbidden;
 use Sabre\DAV\Exception\BadRequest;
 use Sabre\DAV\Exception\NotFound;
 use Sabre\DAV\INode;
@@ -87,13 +88,16 @@ class ChunkingPlugin extends ServerPlugin {
 	 * @return bool|void false to stop handling, void to skip this handler
 	 */
 	public function performMove($path, $destination) {
-		if (!$this->server->tree->nodeExists($destination)) {
-			// skip and let the default handler do its work
-			return;
-		}
-
 		// do a move manually, skipping Sabre's default "delete" for existing nodes
-		$this->server->tree->move($path, $destination);
+		try {
+			$this->server->tree->move($path, $destination);
+		} catch (Forbidden $e) {
+			$sourceNode = $this->server->tree->getNodeForPath($path);
+			if ($sourceNode instanceof FutureFile) {
+				$sourceNode->delete();
+			}
+			throw $e;
+		}
 
 		// trigger all default events (copied from CorePlugin::move)
 		$this->server->emit('afterMove', [$path, $destination]);