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[VCL] Advanced Varnish-TYPO3 Konfiguration

IchHabRecht May 11th, 2013 880 Never
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  1. backend default {
  2.         .host = "127.0.0.1";
  3.         .port = "8080";
  4. }
  5.  
  6. # Enable flushing access only to internals
  7. acl flushers {
  8.         "127.0.0.1";
  9. }
  10.  
  11. sub vcl_recv {
  12.         # Set backend depending on host
  13.         set req.backend = default;
  14.  
  15.         # Set a unique cache header with client ip
  16.         if (req.restarts == 0) {
  17.                 if (client.ip != "127.0.0.1") {
  18.                         if (req.http.X-Forwarded-For) {
  19.                                 set req.http.X-Forwarded-For = req.http.X-Forwarded-For + ", " + client.ip;
  20.                         } else {
  21.                                 set req.http.X-Forwarded-For = client.ip;
  22.                         }
  23.                 }
  24.         }
  25.  
  26.         # Allow the backend to deliver old content up to 1 day
  27.         set req.grace = 24h;
  28.  
  29.         # Only allow known requests
  30.         if (req.request != "GET" &&
  31.           req.request != "HEAD" &&
  32.           req.request != "PUT" &&
  33.           req.request != "POST" &&
  34.           req.request != "TRACE" &&
  35.           req.request != "OPTIONS" &&
  36.           req.request != "DELETE") {    
  37.        
  38.                 /* Non-RFC2616 or CONNECT which is weird. */
  39.                 return (pipe);
  40.         }
  41.  
  42.         # If neither GET nor HEAD request, send to backend but do not cache
  43.         # This means that POST requests are not cached
  44.         if (req.request != "GET" && req.request != "HEAD") {
  45.                 return (pass);
  46.         }
  47.  
  48.         # Strip hash as the server doesn't need it
  49.         if (req.url ~ "\#") {
  50.                 set req.url = regsub(req.url, "\#.*$", "");
  51.         }
  52.  
  53.         # Always cache the following file types for all users
  54.         if (req.url ~ "\.(png|gif|jpeg|jpg|ico|swf|css|js|pdf|txt)(\?|$)") {
  55.                 unset req.http.Cookie;
  56.         }
  57.  
  58.         # If any authorisation was set do not cache
  59.         if (req.http.Authorization || req.http.Cookie ~ "fe_typo_user") {
  60.                 return (pass);
  61.         }
  62.  
  63.         # If we work in backend don't cache anything
  64.         if (req.http.Cookie ~ "be_typo_user") {
  65.                 return (pass);
  66.         } else {
  67.                 # Pass all no_cache=1 sites and eID scripts
  68.                 if (req.url ~ "(\?|&)no_cache=1" || req.url ~ "(\?|&)eID=") {
  69.                         return (pass);
  70.                 }
  71.                 # Delete cookies
  72.                 unset req.http.Cookie;
  73.         }
  74.  
  75.         # Handle compression correctly. Different browsers send different
  76.         # "Accept-Encoding" headers, even though they mostly all support the same
  77.         # compression mechanisms.
  78.         if (req.http.Accept-Encoding) {
  79.                 if (req.http.Accept-Encoding ~ "gzip") {
  80.                         # If the browser supports gzip, that is what we use
  81.                         set req.http.Accept-Encoding = "gzip";
  82.                 } else if (req.http.Accept-Encoding ~ "deflate") {
  83.                         # Next try deflate encoding
  84.                         set req.http.Accept-Encoding = "deflate";
  85.                 } else {
  86.                         # Unknown algorithm. Remove it and send unencoded.
  87.                         unset req.http.Accept-Encoding;
  88.                 }
  89.         }
  90.  
  91.         # Lookup in cache
  92.         return (lookup);
  93. }
  94.  
  95. sub vcl_hash {
  96.         hash_data(req.url);
  97.  
  98.         if (req.http.Host) {
  99.                 hash_data(req.http.Host);
  100.         } else {
  101.                 hash_data(server.ip);
  102.         }
  103.  
  104.         return (hash);
  105. }
  106.  
  107. sub vcl_fetch {
  108.         # Set default cache to 24 hours
  109.         set beresp.ttl = 24h;
  110.  
  111.         # Deliver old content up to 1 day
  112.         set beresp.grace = 24h;
  113.  
  114.         # Set cache for 3 days
  115.         if (req.url ~ "\.(png|gif|jpeg|jpg|ico|swf|css|js|pdf|txt)(\?|$)") {
  116.                 set beresp.ttl = 72h;
  117.         }
  118.  
  119.         # Delete cookie
  120.         if (req.request == "POST" || req.url ~ "^/typo3" || req.url ~ "(\?|&)eID=") {
  121.         } else {
  122.                 unset beresp.http.Set-Cookie;
  123.         }
  124.  
  125.         if (beresp.ttl <= 0s || beresp.http.Set-Cookie || beresp.http.Vary == "*") {
  126.                 return (hit_for_pass);
  127.         }      
  128.  
  129.         # Add additional information for backend server
  130.         if (client.ip ~ flushers) {
  131.                 set beresp.http.X-TTL = beresp.ttl;
  132.                 set beresp.http.X-Grace = beresp.grace;
  133.         }
  134.  
  135.         return (deliver);
  136. }
  137.  
  138. sub vcl_deliver {
  139.         if (client.ip !~ flushers) {
  140.                 # Remove some significant headers
  141.                 unset resp.http.X-Varnish;
  142.                 unset resp.http.Via;
  143.                 unset resp.http.Age;
  144.                 unset resp.http.X-Powered-By;
  145.         } else {
  146.                 # Add additional information for backend server
  147.                 if (obj.hits > 0) {
  148.                         set resp.http.X-Cache = "Hit (" + obj.hits + ")";
  149.                 } else {
  150.                         set resp.http.X-Cache = "Miss";
  151.                 }
  152.         }
  153.  
  154.         return (deliver);
  155. }
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