$upstream_http_* variables exist but do not seem to be readable
agentzh at gmail.com
Fri Feb 1 20:26:16 UTC 2013
On Fri, Feb 1, 2013 at 6:48 AM, Maxim Dounin wrote:
>> set_by_lua $use_token
>> if not ngx.var.sent_http_csrf == "" then
>> return ngx.var.upstream_http_csrf
>> return "baz"
>> '; # Always return 'baz'
>> add_header WIllThisWork $use_token; # Again, empty
> I'm not familiar with lua module, but likely the explanation is
> the same - set_by_lua is executed before a response is available.
Yes, set_by_lua runs at exactly the same phase of the standard
ngx_rewrite module's "set" directive. Actually set_by_lua is injected
into ngx_rewrite so that it can be mixed with other rewrite module
@shrikeh: you're recommended to read my Nginx tutorials to learn more
about the Nginx config directive running order:
More information about the nginx