#-e This is a basic VCL configuration file for varnish.  See the vcl(7)
#man page for details on VCL syntax and semantics.
#
#Backend definitions
#
backend default {
.host = "192.168.XX.XX";
.port = "80";
}


backend bethe {
.host = "192.168.XX.XX";
.port = "80";
}

sub vcl_recv {
    if (req.http.host ~ "kvinder.bt.dk$") {
        set req.backend = bethe;
    }


    if (req.request != "GET" &&
      req.request != "HEAD" &&
      req.request != "PUT" &&
      req.request != "POST" &&
      req.request != "TRACE" &&
      req.request != "OPTIONS" &&
      req.request != "DELETE") {
        /* Non-RFC2616 or CONNECT which is weird. */
        return (pipe);
    }
    if (req.request != "GET" && req.request != "HEAD") {
        /* We only deal with GET and HEAD by default */
        return (pass);
    }

    #do not cache in awstats
    if (req.url ~ "/awstats") {
        return (pipe);
    }

    #Respect force-reload, and clear cache
    if (req.http.Cache-Control ~ "no-cache") {
       purge_url(req.url);
       return (pass);
    }

    #Always cache all images
    if (req.url ~ "\.(png|gif|jpg|swf)$") {
      return(lookup);
    }


    ##MOC: Do not cache if be_typo_user
    if (req.http.Authorization || req.http.Cookie ~ ".*be_typo_user=.*") {
        return (pass);
    }
    return (lookup);
}

sub vcl_fetch {
    if (req.url ~ "\.(png|gif|jpg|swf)$") {
       unset obj.http.set-cookie;
       set obj.http.X-Cacheable = "YES:jpg,gif,jpg ans swf are always cached";
       return (deliver);
    }
    if (req.http.Cache-Control ~ "no-cache") {
      set obj.http.X-Cacheable = "NO:Force reload";       
      return (pass);
    }

    #dont cache for typo3 backend users
    if (req.http.Cookie ~ ".*be_typo_user=.*") {
        set obj.http.X-Cacheable = "NO:Logged in to TYPO3 Backend";
	return (pass);    
    } elsif ( obj.http.Cache-Control ~ "private") {
        set obj.http.X-Cacheable = "NO:Cache-Control=private";
	return (pass);
    } elsif ( obj.ttl < 1s ) {
    	# Here we override the default setting of the cache control headers, we force caching
        set obj.ttl   = 60s;
        set obj.grace = 60s;
        set obj.http.X-Cacheable = "YES:FORCED for 60s";
	return (deliver);
    } else {
        set obj.http.X-Cacheable = "YES";
	return (deliver);
    }

    if (obj.http.Set-Cookie) {
        return (pass);
    }

    return (deliver);
}