Caching requests with Authorization Header

[Norberto Meijome]

I think you want to return (hash) from vcl_hash and lookup from vcl_recv...
On 07/04/2015 7:30 am, "Hugo Cisneiros (Eitch)" <hugo.cisneiros at gmail.com>
wrote:

> On Mon, Apr 6, 2015 at 6:19 PM, Jennings III, Raymond
> <raymond.jennings at nytimes.com> wrote:
> > What about doing something like renaming that header so that the default
> vcl
> > subroutine won't see it?  Or maybe just always return from your
> sub-routine
> > so that the default vcl never runs.
>
> Hi!
>
> I did that and it didn't work :(
>
> What I tried:
>
> sub vcl_recv {
>   [...]
>   set req.http.X-Authorization = req.http.Authorization;
>   unset req.http.Authorization;
>   [...]
>   return (hash);
> }
>
> sub vcl_hash {
>   [...]
>   hash_data(req.http.X-Authorization);
>   [...]
>   return (lookup)
> }
>
> sub vcl_backend_fetch {
>   set bereq.http.Authorization = bereq.http.X-Authorization;
> }
>
> I think varnish4 do the validation on between backend fetch and
> response, and decides that it won't store the reply on the cache since
> the backend request contained the Authorization header... Since it
> never stores on the cache, I'll always get a miss no matter what I do
> with the request o vcl_recv.
>
> > I use a couple of techniques like what you are describing - where I add
> GET
> > params on the URL based on a particular header value as well as the
> inverse
> > (take GET parameters off of the URL so that they are not hashed) and
> stick
> > those values into a "X-" type header.
> >
> > Maybe you can describe your technique in V3 so that we can see how we
> might
> > do the same in V4.  I'm not an expert on V4 but I have reworked some of
> the
> > techniques that I have been using in V3 to V4 successfully.
>
> In V3 I really didn't need to do anything unusual. Just a simple
> caching VCL and it's working:
>
> sub vcl_recv {
>   [...]
>   unset req.http.cookie;
>   return (lookup);
> }
>
> sub vcl_fetch {
>   [...]
>   set beresp.ttl = 1m;
>   return (deliver);
> }
>
> Thanks,
>
> --
> []'s
> Hugo
> www.devin.com.br
>
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>
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