wxiaoguang a94a8d0ab1
Use standard HTTP library to serve files (#24693)
`http.ServeFile/ServeContent` handles `If-xxx`, `Content-Length`,
`Range` and `Etag` correctly

After this PR, storage files (eg: avatar) could be responded with
correct Content-Length.
2023-05-13 16:04:57 +02:00
..