Merge pull request #2419 from nextcloud/backport/2418/stable29

Author: skjnldsv

js/viewer-main.mjs

@@ -23140,6 +23140,9 @@ function getDavPath({ filename, basename: basename3, source = "" }) {
     );
   }
   const prefixUser = getUserRoot();
+  if (!filename || typeof filename !== "string") {
+    return null;
+  }
   if (source && !source.includes(prefixUser)) {
     return null;
   }

js/viewer-main.mjs.map

@@ -132,6 +132,10 @@ function getDavPath({ filename, basename, source = '' }: { filename: string, bas
 
 	const prefixUser = getUserRoot()
 
+	if (!filename || typeof filename !== 'string') {
+		return null
+	}
+
 	// If we have a source but we're not a dav resource, return null
 	if (source && !source.includes(prefixUser)) {
 		return null