No headers filter for a subrequest

[Marat Dakota]

I also might have:

/location3 {
    proxy_pass https://www.blabla;
}

In this case my subrequest has the response headers from www.blabla. This
means that the statement that there are no headers in subrequest responses
is not completely correct.

On Mon, Mar 16, 2015 at 3:27 PM, Marat Dakota <dakota at brokenpipe.ru> wrote:

> But if I have:
>
> /location1 {
>     ...
> }
>
> /location2 {
>     add_header XXX-Some-Header Ololo;
>     ...
> }
>
> And I do a subrequest from /location1 handler to /location2?
>
> On Mon, Mar 16, 2015 at 3:23 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:
>
>> Hello!
>>
>> On Mon, Mar 16, 2015 at 03:14:15PM +0300, Marat Dakota wrote:
>>
>> > Hi,
>> >
>> > I was digging the reason why add_header in nginx config doesn't work
>> for a
>> > subrequest and I've found this in ngx_http_headers_filter_module.c:
>> >
>> >     if ((conf->expires == NGX_HTTP_EXPIRES_OFF && conf->headers == NULL)
>> >         || r != r->main)
>> >     {
>> >         return ngx_http_next_header_filter(r);
>> >     }
>> >
>> > Is there a particular reason to skip the filter for everything that's
>> not a
>> > main request?
>>
>> The main reason is that there are no headers in subrequest
>> responses.  Headers are returned by the main request only.
>>
>> --
>> Maxim Dounin
>> http://nginx.org/
>>
>> _______________________________________________
>> nginx-devel mailing list
>> nginx-devel at nginx.org
>> http://mailman.nginx.org/mailman/listinfo/nginx-devel
>>
>
>
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