https://blog.wongcw.com/2022/03/24/%e9%a6%96%e6%ac%bedirectstorage-api%e9%81%8a%e6%88%b2%e6%bc%94%e7%a4%ba%ef%bc%9a%e5%8a%a0%e8%bc%89%e6%99%82%e9%96%93%e5%a4%a7%e5%b9%85%e7%b8%ae%e7%9f%ad/