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# Magi.
vcl 4.0;

# Mer magi.
backend default {
    .host = "127.0.0.1";
    .port = "8080";
}

# Sort magi.
sub vcl_recv {
     if (req.method != "GET" &&
       req.method != "HEAD" &&
       req.method != "PUT" &&
       req.method != "POST" &&
       req.method != "TRACE" &&
       req.method != "OPTIONS" &&
       req.method != "DELETE") {
	 # Vi hater alt som er gøy.
         return (synth(418,"LOLOLOL"));
     }

     # Hardcoded for testing
     set req.http.host = "nms.tg16.gathering.org"; 

     if (req.method != "GET" && req.method != "HEAD") {
         /* We only deal with GET and HEAD by default */
         return (pass);
     }

     # Brukes ikke. Cookies er for nubs. 
     unset req.http.Cookie;

     # Tvinges gjennom for å cache med authorization-skrot.
     return (hash);
 }

# Rosa magi
sub vcl_hash {
    # Wheee. Legg til authorization-headeren i hashen.
    hash_data(req.http.authorization);
}

# Mauve magi. Hva nå enn det er.
# Dette er WIP - Skal flyttes til backend
sub vcl_backend_response {
	    if (beresp.status == 200) {
		    set beresp.ttl = 2s;
	    } else {
		    # Vi cacher feilmeldinger, fordi vi er kule.
		    set beresp.ttl = 1s;
	    }

	    if(bereq.url ~ "port-state.pl" && beresp.status == 200) {
		    set beresp.ttl = 1s;
	    }
	    if (beresp.status == 200 && bereq.url ~ "now=") {
		    # Historisk data kan vi cache cirka evig
		    set beresp.ttl = 60m;
	    }
}