joehoyle · November 30, 2011 13:11
diff --git a/default.vcl b/default.vcl
 backend default {
    .host = "127.0.0.1";
    .port = "8080";
 }
 sub vcl_recv {
 	
    # set standard proxied ip header for getting original remote address
    set req.http.X-Forwarded-For = client.ip;
    
    if (req.request == "PURGE") {
        return (lookup);
    }

    # logged in users must always pass
    if( req.url ~ "^/wp-(login|admin)" || req.http.Cookie ~ "wordpress_logged_in_" || req.url ~ "bb-(login|admin)" || req.url ~ "register" ) {
        return (pass);
    }
       
    # don't cache search results
    if( req.url ~ "\?s=" ){
        return (pass);
    }

    # always pass through posted requests and those with basic auth
    if ( req.request == "POST" || req.http.Authorization ) {
         return (pass);
    }
    
    # else ok to fetch a cached page
    unset req.http.Cookie;
    return (lookup);
 }



 sub vcl_fetch {

    # remove some headers we never want to see
    unset beresp.http.Server;
    unset beresp.http.X-Powered-By;
    
    # only allow cookies to be set if we're in admin area - i.e. commenters stay logged out
    if( beresp.http.Set-Cookie && req.url !~ "^/wp-(login|admin)" && req.url !~ "bb-(login|admin)" && req.url !~ "register" ){
        unset beresp.http.Set-Cookie;
    }
    
    # don't cache response to posted requests or those with basic auth
    if ( req.request == "POST" || req.http.Authorization ) {
         return (hit_for_pass);
    }

    # only cache status ok
    if ( beresp.status != 200 ) {
        return (hit_for_pass);
    }

    # don't cache search results
    if( req.url ~ "\?s=" ){
        return (hit_for_pass);
    }
    
    # else ok to cache the response
    set beresp.ttl = 10m;
    return (deliver);
 }



 sub vcl_deliver {
    # add debugging headers, so we can see what's cached
    if (obj.hits > 0) {
        set resp.http.X-Cache = "HIT";
    }
    else {
        set resp.http.X-Cache = "MISS";
    }
    # remove some headers added by varnish
    unset resp.http.Via;
    unset resp.http.X-Varnish;
 }

 sub vcl_hash {
    hash_data( req.url );
    # altering hash so subdomains are ignored.
    # don't do this if you actually run different sites on different subdomains
    if ( req.http.host ) {
        hash_data( regsub( req.http.host, "^([^\.]+\.)+([a-z]+)$", "\1\2" ) );
    } else {
        hash_data( server.ip );
    }
    # ensure separate cache for mobile clients (WPTouch workaround)
    if( req.http.User-Agent ~ "(iPod|iPhone|incognito|webmate|dream|CUPCAKE|WebOS|blackberry9\d\d\d)" ){
        hash_data("touch");
    }
    return (hash);
 }

 sub vcl_hit {
        if (req.request == "PURGE") {
                purge;
                error 200 "Purged.";
        }
 }

 sub vcl_miss {
        if (req.request == "PURGE") {
                purge;
                error 200 "Purged.";
        }
 }

 sub vcl_error {
     set obj.http.Content-Type = "text/html; charset=utf-8";
     set obj.http.Retry-After = "5";
     synthetic {"
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html>
   <head>
     <title>"} + obj.status + " " + obj.response + {"</title>
   </head>
   <body>
     <h1>Error "} + obj.status + " " + obj.response + {"</h1>
     <p>"} + obj.response + {"</p>
     <h3>Guru Meditation:</h3>
     <p>XID: "} + req.xid + {"</p>
     <hr>
     <p>Varnish cache server</p>
   </body>
 </html>
 "};
     return (deliver);
 }
	backend default {
	.host = "127.0.0.1";
	.port = "8080";
	}
	sub vcl_recv {

	# set standard proxied ip header for getting original remote address
	set req.http.X-Forwarded-For = client.ip;

	if (req.request == "PURGE") {
	return (lookup);
	}

	# logged in users must always pass
	if( req.url ~ "^/wp-(login\|admin)" \|\| req.http.Cookie ~ "wordpress_logged_in_" \|\| req.url ~ "bb-(login\|admin)" \|\| req.url ~ "register" ) {
	return (pass);
	}

	# don't cache search results
	if( req.url ~ "\?s=" ){
	return (pass);
	}

	# always pass through posted requests and those with basic auth
	if ( req.request == "POST" \|\| req.http.Authorization ) {
	return (pass);
	}

	# else ok to fetch a cached page
	unset req.http.Cookie;
	return (lookup);
	}



	sub vcl_fetch {

	# remove some headers we never want to see
	unset beresp.http.Server;
	unset beresp.http.X-Powered-By;

	# only allow cookies to be set if we're in admin area - i.e. commenters stay logged out
	if( beresp.http.Set-Cookie && req.url !~ "^/wp-(login\|admin)" && req.url !~ "bb-(login\|admin)" && req.url !~ "register" ){
	unset beresp.http.Set-Cookie;
	}

	# don't cache response to posted requests or those with basic auth
	if ( req.request == "POST" \|\| req.http.Authorization ) {
	return (hit_for_pass);
	}

	# only cache status ok
	if ( beresp.status != 200 ) {
	return (hit_for_pass);
	}

	# don't cache search results
	if( req.url ~ "\?s=" ){
	return (hit_for_pass);
	}

	# else ok to cache the response
	set beresp.ttl = 10m;
	return (deliver);
	}



	sub vcl_deliver {
	# add debugging headers, so we can see what's cached
	if (obj.hits > 0) {
	set resp.http.X-Cache = "HIT";
	}
	else {
	set resp.http.X-Cache = "MISS";
	}
	# remove some headers added by varnish
	unset resp.http.Via;
	unset resp.http.X-Varnish;
	}

	sub vcl_hash {
	hash_data( req.url );
	# altering hash so subdomains are ignored.
	# don't do this if you actually run different sites on different subdomains
	if ( req.http.host ) {
	hash_data( regsub( req.http.host, "^([^\.]+\.)+([a-z]+)$", "\1\2" ) );
	} else {
	hash_data( server.ip );
	}
	# ensure separate cache for mobile clients (WPTouch workaround)
	if( req.http.User-Agent ~ "(iPod\|iPhone\|incognito\|webmate\|dream\|CUPCAKE\|WebOS\|blackberry9\d\d\d)" ){
	hash_data("touch");
	}
	return (hash);
	}

	sub vcl_hit {
	if (req.request == "PURGE") {
	purge;
	error 200 "Purged.";
	}
	}

	sub vcl_miss {
	if (req.request == "PURGE") {
	purge;
	error 200 "Purged.";
	}
	}

	sub vcl_error {
	set obj.http.Content-Type = "text/html; charset=utf-8";
	set obj.http.Retry-After = "5";
	synthetic {"
	<?xml version="1.0" encoding="utf-8"?>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
	<html>
	<head>
	<title>"} + obj.status + " " + obj.response + {"</title>
	</head>
	<body>
	<h1>Error "} + obj.status + " " + obj.response + {"</h1>
	<p>"} + obj.response + {"</p>
	<h3>Guru Meditation:</h3>
	<p>XID: "} + req.xid + {"</p>
	<hr>
	<p>Varnish cache server</p>
	</body>
	</html>
	"};
	return (deliver);
	}