1 files changed, 5 insertions, 1 deletions
diff --git a/src/server/DashUploadUtils.ts b/src/server/DashUploadUtils.ts
index 46d897339..9fddb466c 100644
--- a/src/server/DashUploadUtils.ts
+++ b/src/server/DashUploadUtils.ts
@@ -24,9 +24,13 @@ export namespace DashUploadUtils {
     const gifs = [".gif"];
     const pngs = [".png"];
     const jpgs = [".jpg", ".jpeg"];
-    export const imageFormats = [...pngs, ...jpgs, ...gifs];
+    const imageFormats = [...pngs, ...jpgs, ...gifs];
     const videoFormats = [".mov", ".mp4"];
 
+    export function validateExtension(url: string) {
+        return imageFormats.includes(path.extname(url).toLowerCase());
+    }
+
     const size = "content-length";
     const type = "content-type";