Re: Web architecture expertise

Presumably this also applies locally with reverse proxy that is a standard
way to front native XML and RDF stores. In nginx is important to set
everything up in the conf otherwise nothing is passed through

On Thu, 6 Jun 2019, 20:29 Car, Nicholas (L&W, Dutton Park),
<Nicholas.Car@csiro.au> wrote:

> I have always understood that no headers can be sent to a 3rd party
> server along with a redirect: it’s up to the client to re-issue headers if
> they want.
>
>
>
> When I use Apache’s redirect or mod_rewrite for PID requests that have
> important headers – perhaps a client has requested Turtle for a resource –
> I’ve had to either include query string arguments of a pseudo file
> extension to communicate this to the 3rd party server so:
>
>
>
> GET /resource/x
>
> Accept: text/turtle
>
>
>
> HTTP/1.1 302 Found
>
> Location: /new-resource/x.ttl
>
>
>
> Or
>
>
>
> Location: /new-resource/x?_format=text/turtle
>
>
>
>
>
> I would love to know of a more elegant solution but I fear that carrying
> forward headers looks like it’s breaking stateless HTTP…
>
>
>
> Nick
>
>
>
>
>
>
>
> *From: *Rob Atkinson <robatkinson101@gmail.com>
> *Date: *Friday, 31 May 2019 at 2:45 am
> *To: *Philippe Le Hegaret <plh@w3.org>
> *Cc: *"Svensson, Lars" <L.Svensson@dnb.de>, Nicholas Car
> <Nicholas.Car@csiro.au>, Dataset Exchange Working Group <
> public-dxwg-wg@w3.org>
> *Subject: *Web architecture expertise
>
>
>
> Hi Phillippe, and the broader DXWG group..
>
>
>
> In the content negotiation by profile discussions we have come across a
> question we cannot answer easily, and maybe the web architecture experts at
> W3C can advise on, (given they will review anyway as far as i understand).
>
>
>
> The matter concerns HTTP redirection and role of headers...
>
>
>
> https://github.com/w3c/dxwg/issues/603
>
>
>
> if a redirection service is performing negotiation to a range of static
> resources, is it able to pass information via headers to the client (in
> practice)
>
>
>
> a client that looks at the redirections can obviously gather the
> information, but most clients will use standard libraries like python
> urllib, java HttpUrlConnection - is there a expected behaviour tested for
> such implementations?
>
>
>
> we need some advice as to how to proceed - either a better approach - or
> if there are good connections with the authors of such libraries we might
> be able to start a conversation with to get implementation support?
>
>
>
> Regards
>
> Rob Atkinson
>
>
>