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@dz0ny
Created January 6, 2012 14:38
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Wordpress varnish with wptouch and onswipe support
# Set the default backend (Nginx server for me)
backend default {
# My Nginx server listen on IP address 127.0.0.1 and TCP port 8080
.host = "localhost";
.port = "80";
.first_byte_timeout = 300s;
}
# Purge ACL
acl purge {
"127.0.0.1";
}
# This function is used when a request is send by a HTTP client (Browser)
# !!! Replace: blog.nicolargo.com by your own URL !!!
sub vcl_recv {
call detect_device;
#nginx&php-fpm fix
set req.http.X-Forwarded-For = client.ip;
set req.http.Host = regsub(req.http.Host, ":[0-9]+", "");
# Allow purging from ACL
if (req.request == "PURGE") {
# If not allowed then a error 405 is returned
if (!client.ip ~ purge) {
error 405 "This IP is not allowed to send PURGE requests.";
}
# If allowed, do a cache_lookup -> vlc_hit() or vlc_miss()
return (lookup);
}
# Post requests will not be cached
if (req.request == "POST") {
return (pass);
}
# --- Wordpress specific configuration
# Did not cache the RSS feed
if (req.url ~ "/feed") {
return (pass);
}
# Did not cache the admin and login pages
if (req.url ~ "/wp-(login|admin)") {
return (pass);
}
// server1 must handle file uploads
if (req.url ~ "media-upload.php" || req.url ~ "file.php" || req.url ~ "async-upload.php") {
return(pass);
}
// do not cache xmlrpc.php
if (req.url ~ "xmlrpc.php") {
return(pass);
}
// strip cookies from xmlrpc
if (req.request == "GET" && req.url ~ "xmlrpc.php"){
remove req.http.cookie;return(pass);
}
# Remove the "has_js" cookie
set req.http.Cookie = regsuball(req.http.Cookie, "has_js=[^;]+(; )?", "");
# Remove any Google Analytics based cookies
set req.http.Cookie = regsuball(req.http.Cookie, "__utm.=[^;]+(; )?", "");
# Remove the Quant Capital cookies (added by some plugin, all __qca)
set req.http.Cookie = regsuball(req.http.Cookie, "__qc.=[^;]+(; )?", "");
# Remove the wp-settings-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-1=[^;]+(; )?", "");
# Remove the wp-settings-time-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-time-1=[^;]+(; )?", "");
# Remove the wp test cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wordpress_test_cookie=[^;]+(; )?", "");
# Are there cookies left with only spaces or that are empty?
if (req.http.cookie ~ "^ *$") {
unset req.http.cookie;
}
if (req.http.Accept-Encoding) {
# Do no compress compressed files...
if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") {
remove req.http.Accept-Encoding;
} elsif (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
remove req.http.Accept-Encoding;
}
}
# Cache the following files extensions
if (req.url ~ "\.(css|js|png|gif|jp(e)?g)") {
unset req.http.cookie;
}
# Check the cookies for wordpress-specific items
if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
return (pass);
}
if (!req.http.cookie) {
unset req.http.cookie;
}
# --- End of Wordpress specific configuration
# Did not cache HTTP authentication and HTTP Cookie
if (req.http.Authorization || req.http.Cookie) {
# Not cacheable by default
return (pass);
}
# Cache all others requests
return (lookup);
}
sub vcl_pipe {
return (pipe);
}
sub vcl_pass {
return (pass);
}
# The data on which the hashing will take place
sub vcl_hash {
hash_data(req.url);
if (req.http.host) {
hash_data(req.http.host);
} else {
hash_data(server.ip);
}
# ensure separate cache for mobile clients (WPTouch workaround)
if (req.http.X-Device ~ "smart" || req.http.X-Device ~ "other") {
hash_data(req.http.X-Device);
}
# If the client supports compression, keep that in a different cache
if (req.http.Accept-Encoding) {
hash_data(req.http.Accept-Encoding);
}
return (hash);
}
sub detect_device {
# Define the desktop device and ipad
set req.http.X-Device = "desktop";
if (req.http.User-Agent ~ "iP(hone|od)" || req.http.User-Agent ~ "Android" ) {
# Define smartphones and tablets
set req.http.X-Device = "smart";
}
elseif (req.http.User-Agent ~ "SymbianOS" || req.http.User-Agent ~ "^BlackBerry" || req.http.User-Agent ~ "^SonyEricsson" || req.http.User-Agent ~ "^Nokia" || req.http.User-Agent ~ "^SAMSUNG" || req.http.User-Agent ~ "^LG") {
# Define every other mobile device
set req.http.X-Device = "other";
}
}
sub vcl_hit {
# Allow purges
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
return (deliver);
}
sub vcl_miss {
# Allow purges
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
return (fetch);
}
# This function is used when a request is sent by our backend (Nginx server)
sub vcl_fetch {
# For static content related to the theme, strip all backend cookies
if (req.url ~ "\.(css|js|png|gif|jp(e?)g)") {
unset beresp.http.cookie;
}
# A TTL of 30 minutes
set beresp.ttl = 1800s;
return (deliver);
}
# The routine when we deliver the HTTP request to the user
# Last chance to modify headers that are sent to the client
sub vcl_deliver {
set resp.http.X-Served-By = server.hostname;
if (obj.hits > 0) {
set resp.http.X-Cache = "HIT";
set resp.http.X-Cache-Hits = obj.hits;
} else {
set resp.http.X-Cache = "MISS";
}
unset resp.http.Via;
unset resp.http.X-Varnish;
# Remove some headers: PHP version
unset resp.http.X-Powered-By;
return (deliver);
}
sub vcl_init {
return (ok);
}
sub vcl_fini {
return (ok);
}
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