Personally, I think this is a bug in the behaviour of NewRequest. See h
ttps://github.com/golang/go/issues/18117 for some additional context.
On Tue, 2019-02-05 at 05:18 -0800, matteo.biage...@gmail.com wrote:
> I've the following situation:
> I proxy a request to another server and when I made a POST and create
> a new
> request, the contentLength is zero:
>
> req2, _ := http.NewRequest(req.Method, newApiUrl , req.Body)
> fmt.Println("New request from body:", req2.ContentLength) //
> print 0
>
> Checking in the source code of the NewRequest func Body don't respect
> some
> interface and populate the ContentLength field.
>
> Could be a bug? Which could be a valid approach in order to create a
> new
> request from an existing one and correct set the Body length?
>
> A working example here:
>
> https://play.golang.org/p/SvCDLj0NrXb
>
> Thanks!
>
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