vcl

backend default {
  .host               = "localhost";
  .port               = "81";
  .first_byte_timeout = 300s;
}
acl purge_hosts {
  "localhost";
}
sub vcl_recv {
  set req.http.host = "test.example.com";
  set req.http.X-Forwarded-For = client.ip;
  if (req.http.X-Refresh) {
    if (!client.ip ~ purge_hosts) {
      set req.hash_always_miss = true;
    }
  }
  if (req.request == "PURGE") {
    if (!client.ip ~ purge_hosts) {
      error 405 "Not allowed!";
    }
    return (lookup);
  }
  if (req.request == "POST") {
    return (pass);
  }
  if (req.url ~ "^/index.php") {
    return (pass);
  }
  if (req.url ~ "^/admin") {
    return (pass);
  }

  if (req.url ~ "^/out/anost_v4/src/") {
    if (! (req.url ~ "\.swf")) {
      unset req.http.cookie;
      set req.grace = 24h;
      return (lookup);
    }
  }
  if (req.url ~ "^/out/anost_v4/src/min/") {
    unset req.http.cookie;
    return (lookup);
  }
  if (req.url ~ "[\?&]lang=") {
    set req.url = regsub(req.url, "\?lang=[0-9a-zA-Z]+", "?");
    set req.url = regsub(req.url, "&lang=[0-9]", "");
    set req.url = regsub(req.url, "\?&", "?");
    set req.url = regsub(req.url, "\?$", "");
  }
  if (req.url ~ "^(/en/(Music|Merch|Artists|Labels|Special|Shop-Shop|contact|General-Terms-and-Conditions|Service-and-Help|Rights-of-Withdrawal|$)|/de/$|/(Musik|Merch|Artists|Labels|Special|Shop-Shop|kontakt|Allgemeine-Geschaeftsbedingungen|Service-and-Hilfe|Widerrufsbelehrung|$))") {
    if (req.url ~ "[\?&][^/]+") {
      return (pass);
    }
    unset req.http.cookie;
    if (req.url ~ "^/(en/(Music|Merch|Artists|Labels|Special)|en|de|Musik|Merch|Artists|Labels|Special)/$") {
      set req.grace = 12h;
    } else {
      set req.grace = 7d;
    }
    return (lookup);
  }
}
sub vcl_hit {
  if (req.request == "PURGE") {
    purge;
    error 200 "Purged";
  }
}
sub vcl_miss {
  if (req.request == "PURGE") {
    error 400 "Not in cache.";
  }
}
sub vcl_fetch {
  set beresp.grace = 8d; # should be the same as max grace in recv
  if (beresp.http.content-type ~ "text") {
    set beresp.do_gzip = true;
  }
  if (req.url ~ "^/out/anost_v4/src/") {
    unset beresp.http.set-cookie;
    set beresp.ttl = 86400s;
    return (deliver);
  }
  if (req.url ~ "^/out/anost_v4/src/min/") {
    unset beresp.http.set-cookie;
    return (deliver);
  }
  if (req.url ~ "^(/en/(Music|Merch|Artists|Labels|Special|Shop-Shop|contact|General-Terms-and-Conditions|Service-and-Help|Rights-of-Withdrawal|$)|/de/$|/(Musik|Merch|Artists|Labels|Special|Shop-Shop|kontakt|Allgemeine-Geschaeftsbedingungen|Service-and-Hilfe|Widerrufsbelehrung|$))") {
    unset beresp.http.set-cookie;
    if (req.url ~ "^/(en/(Music|Merch|Artists|Labels|Special)|en|de|Musik|Merch|Artists|Labels|Special)/$") {
      set beresp.ttl = 13h;
    } else {
      set beresp.ttl = 8d;
    }
    return (deliver);
  }
}