Thanks, I will study tickets you mentioned and hopefully fix it.
Quick-n-dirty fix gave me only two failed tests and in both cases it seems
to be a wrong assumption in tests. So I hope this change won't break the
world.

-- ilya

вт, 14 мар. 2017 г. в 10:12, Glyph Lefkowitz <gl...@twistedmatrix.com>:

>
> On Mar 13, 2017, at 11:01 PM, Ilya Skriblovsky <ilyaskriblov...@gmail.com>
> wrote:
>
> Hi,
>
> I'm using Twisted Web server behind Nginx reverse-proxy and I'm getting
> backend's internal host:port from Request.getHost().
>
> Seems like Request.host is explicitly set to socket's address (i.e.
> internal address) here: ​
> https://github.com/twisted/twisted/blob/trunk/src/twisted/web/http.py#L838
> But comment at ​
> https://github.com/twisted/twisted/blob/trunk/src/twisted/web/http.py#L1297
> and what this method does points that Request.host meant to reflect Host
> header of the request, i.e. user-visible hostname and port.
>
> This creates problems for me when using Klein because it correctly uses
> Request.getHost() to create host part of URLs for redirects.
>
> It seems like inconsistency in Twisted code. I'd expect Request.host
> should be only set from the Host request header to reflect user-visible
> hostname, not the internal backend server's address. Or may be I'm missing
> something?
>
>
> You're absolutely correct!  I even filed a ticket for this functionality,
> 5 years ago: https://twistedmatrix.com/trac/ticket/5807  There's even a
> branch for it.  Oddly enough we *do* have a *private*
> _XForwardedForRequest, but... it's only used for logging, for some reason.
>
> If you want accurate access logging and request information,
> https://twistedmatrix.com/trac/ticket/7704 will probably also be of
> interest to you.
>
> I'm so sorry you've hit this glaring deficiency in Twisted.
>
> On the other hand: I'm so glad that you've hit this glaring deficiency in
> Twisted!  I hope you will be motivated to fix it :-).  It's bothered me for
> quite some time that we don't play nicely with proxying setups, when such
> setups are so *incredibly* common.  If you can write pull requests to fix
> these issues and put them into review, I'm pretty sure you will find an
> enthusiastic reviewer quickly.
>
> -glyph
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