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Re: fastcgi_cache_key with cookie

António P. P. Almeida
December 27, 2011 02:54PM
On 27 Dez 2011 17h01 WET, nginx-forum@nginx.us wrote:

> zenw Wrote:
> -------------------------------------------------------
>> I'm trying to cache per user Drupal using this
>> config :
>>
>> fastcgi_ignore_headers Cache-Control Expires;
>> #tried '__utma' 'Set-Cookie'
>> fastcgi_cache drupal;
>> fastcgi_cache_key
>> $http_cookie$request_method$scheme$host$request_ur
>> i;
>> fastcgi_cache_methods GET HEAD;
>> fastcgi_cache_valid any 1s;
>> fastcgi_cache_use_stale error timeout
>> invalid_header updating http_500;
>> fastcgi_max_temp_file_size 2M;
>> add_header X-Micro-Cache $upstream_cache_status;
>>
>> I can get this working without google analytics,
>> but when I enable google analytics it adds several
>> cookies __utma __utmb __utmc __utmz. Nginx looks
>> at $http_cookie and sees that its different so it
>> passes it to the backend. Preferably I would like
>> to just use the cache key as $cookie_SESS which is
>> the drupal session cookie, however the full cookie
>> name is encoded to something like this
>>
>> SSESSae42ac488e03c2e2xxxxxda6ce2f5ee7=xxxxxxxxxxxx
>> xxxxxxxxxxxxxxxxxx
>>
>> I've omitted some letters and numbers. So my
>> question is how do I just extract the Drupal
>> Session cookie? Or failing that just strip all
>> cookies? I have tried fastcgi_ignore header
>> '__utma' 'Set-Cookie' but it doesn't seem to work.
>
>
> Maybe extract the session cookie with something like this:
>
> map $http_cookie $session_cookie {
> default "";
> ~^.*(?<key>SESS.+\;).*$ $key;
> }

Yes. We can remove the SESS string and keep just the unique part of the
id.

map $http_cookie $session_id {
default '';
~SESS(?<session_guid>[[:alnum:]]+) $session_guid;
}

--- appa





> and
>
> fastcgi_cache_key
> $session_cookie$request_method$scheme$host$request_uri;
>
> I'm sure the regex could be written better, but that does work.
>
> Posted at Nginx Forum:
> http://forum.nginx.org/read.php?2,220510,220559#msg-220559
>
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> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx

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Subject Author Posted

fastcgi_cache_key with cookie

zenw December 27, 2011 12:13AM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 27, 2011 01:38AM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 01:53AM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 01:56AM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 27, 2011 02:36AM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 02:46AM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 02:48AM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 27, 2011 03:02AM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 03:24AM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 27, 2011 04:06AM

Re: fastcgi_cache_key with cookie

brianmercer December 27, 2011 12:01PM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 27, 2011 02:54PM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 08:15PM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 08:35PM

Re: fastcgi_cache_key with cookie

brianmercer December 27, 2011 11:15PM

Re: fastcgi_cache_key with cookie

zenw December 27, 2011 11:28PM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 28, 2011 02:04AM

Re: fastcgi_cache_key with cookie

brianmercer December 28, 2011 08:55AM

Re: fastcgi_cache_key with cookie

António P. P. Almeida December 28, 2011 11:54AM



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