Re: Nginx logic (if cookie set, redirect here…) Is it possible?

[Igor Sysoev]

On Fri, May 28, 2010 at 04:47:47PM +0200, Thomas Delonge wrote:

> So, I have a pretty basic need, but I can't figure out if it's even
> possible, much less how to do it.
> 
> I have a main page that anyone can see. Most of the rest of the
> application can be seen only if logged in (hence, a "set cookie"). So I
> was thinking, as long as they don't have a cookie set, they can just see
> a cached version of nginx. I can get it caching with this:
> 
> proxy_cache            STATIC;
> proxy_cache_valid      200  1d;
> proxy_cache_use_stale  error timeout invalid_header updating
>                          http_500 http_502 http_503 http_504;
> 
> And it helps a ton. (instead of 15 requests per second it gets over
> 1000). Now I just need some sort of "server logic" to say only serve the
> cached page if they have no cookie, otherwise, load the dynamic page
> (which will automatically redirect them into the app).
> 
> Any ideas?

You should get the latest nginx version 0.8.38 and add:

    proxy_no_cache   $cookie_NAME;


-- 
Igor Sysoev
http://sysoev.ru/en/