Adding varnish configs.

Signed-off-by: root <root@irrsinn.net>

varnish/default.vcl

@@ -0,0 +1,113 @@
+# Default backend definition.  Set this to point to your content server.
+
+backend default {
+    .host = "127.0.0.1";
+    .port = "8080";
+  .connect_timeout = 300s;
+  .first_byte_timeout = 120s;
+	.between_bytes_timeout = 300s;
+	.max_connections = 800;
+}
+
+acl purge {
+        "127.0.0.1";
+	"localhost";
+}
+
+sub vcl_recv {
+	set req.grace = 2m;
+
+  # Set X-Forwarded-For header for logging in nginx
+  remove req.http.X-Forwarded-For;
+  set    req.http.X-Forwarded-For = client.ip;
+
+  # Remove has_js and CloudFlare/Google Analytics __* cookies and statcounter is_unique
+  set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(_[_a-z]+|has_js|is_unique)=[^;]*", "");
+  # Remove a ";" prefix, if present.
+  set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
+
+# Either the admin pages or the login
+if (req.url ~ "/wp-(login|admin|cron)") {
+        # Don't cache, pass to backend
+        return (pass);
+}
+
+# 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=[^;]+(; )?", "");
+
+# Static content unique to the theme can be cached (so no user uploaded images)
+# The reason I don't take the wp-content/uploads is because of cache size on bigger blogs
+# that would fill up with all those files getting pushed into cache
+if (req.url ~ "wp-content/themes/" && req.url ~ "\.(css|js|png|gif|jp(e)?g)") {
+    unset req.http.cookie;
+}
+// do not cache xmlrpc.php
+if (req.url ~ "xmlrpc.php")
+  {return(pass);}
+if (req.request == "GET" && req.url ~ "(xmlrpc.php|wlmanifest.xml)") {
+  unset req.http.cookie;
+  return (pass);
+}
+
+# Even if no cookies are present, I don't want my "uploads" to be cached due to their potential size
+if (req.url ~ "/wp-content/uploads/") {
+    return (pass);
+}
+
+# any pages with captchas need to be excluded
+if (req.url ~ "^/contact/" || req.url ~ "^/links/domains-for-sale/")
+      {
+		return(pass);
+      }
+
+# Check the cookies for wordpress-specific items
+if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
+        # A wordpress specific cookie has been set
+    return (pass);
+}
+
+	# allow PURGE from localhost
+	if (req.request == "PURGE") {
+		if (!client.ip ~ purge) {
+			error 405 "Not allowed.";
+		}
+		return (lookup);
+	}
+
+	# Force lookup if the request is a no-cache request from the client
+	if (req.http.Cache-Control ~ "no-cache") {
+		return (pass);
+	}
+
+# Try a cache-lookup
+return (lookup);
+
+}
+
+sub vcl_fetch {
+	#set obj.grace = 5m;
+    set beresp.grace = 2m;
+
+}
+
+sub vcl_hit {
+        if (req.request == "PURGE") {
+                purge;
+                error 200 "Purged.";
+        }
+}
+
+sub vcl_miss {
+        if (req.request == "PURGE") {
+                purge;
+                error 200 "Purged.";
+        }
+}