Fix token parsing and require Auth for list files

src/files.rs

@@ -25,9 +25,9 @@ fn is_image_or_video(path: &Path) -> bool {
         .unwrap_or_else(|| "")
         .to_lowercase();
 
-    return extension == &"png"
-        || extension == &"jpg"
-        || extension == &"jpeg"
-        || extension == &"rs"
-        || extension == &"mp4";
+    extension == "png"
+        || extension == "jpg"
+        || extension == "jpeg"
+        || extension == "rs"
+        || extension == "mp4"
 }