GetNested anything is a sign something is broken in the API. The whole point of
being nested is almost always encapsulation and then you are breaking it.
> On Feb 5, 2019, at 10:30 AM, Burak Serdar <bser...@ieee.org> wrote:
>
>> On Tue, Feb 5, 2019 at 9:12 AM <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.
>
> When the first request is created, req.Body is set to a NopCloser, and
> that doesn't match any of the cases in the second NewRequest. For this
> to work, I guess the best way is to get the body length and set it
> explicitly after constructing the second request.
>
> I don't know if this is intentional or not, but in general, it might
> be a good idea to add a ReaderWrapper interface to the standard
> library that defines a GetNestedReader() io.Reader function to access
> the real reader from these utility classes.
>
>>
>> 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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