public string Upload(Context context, long id, ContentRangeHeaderValue contentRange)
{
var log = new SysLogModel(context: context);
var result = context.Authenticated
? BinaryUtilities.UploadFile(context, id, contentRange)
: Messages.ResponseAuthentication(context: context).ToJson();
log.Finish(context: context, responseSize: result.Length);
return(result);
}