如何设置firebase函数的执行权限

我有一个firebase函数,可以下载一些csv数据。

https://us-central1-my-project-prod.cloudfunctions.net/downloadSomecsv

export const downloadSuppliersHttps = async (req: functions.Request, res: functions.Response): Promise<any> => {
  try {
    console.log('start downloadCsvHttps');
    const response = await new DownloadCsv().handle();
    res.setHeader(
      "Content-disposition",
      "attachment; filename=Supplieres.csv"
    );
    res.set("Content-Type", "text/csv");
    res.send(response);
  } catch (error) {
    console.error(error);
    res.sendStatus(500);
  }
};