public function download(Request $request)
    {
        $disk = $request->get('disk');
        $file = $request->get('file');

        $storage = Storage::disk($disk);

        $fullPath = $storage->getDriver()->getAdapter()->applyPathPrefix($file);

        if (File::isFile($fullPath)) {
            return response()->download($fullPath);
        }

        return response('', 404);
    }