Use the remote address method in HttpRequest.

src/Uploads/UploadsRoutes.php

@@ -170,7 +170,7 @@ class UploadsRoutes implements RouteHandler {
         $uploadInfo = $uploadsData->getUpload(appInfo: $appInfo, userInfo: $userInfo, hashString: $hash);
         if($uploadInfo === null) {
             $uploadInfo = $uploadsData->createUpload(
-                $appInfo, $userInfo, $_SERVER['REMOTE_ADDR'],
+                $appInfo, $userInfo, $request->getRemoteAddress(),
                 $fileName, mime_content_type($localFile),
                 $fileSize, $hash, $appInfo->bumpAmount, true
             );