Use forwarded npm module

Author: dougwilson

HISTORY.md

@@ -1,3 +1,8 @@
+unreleased
+==========
+
+  * Use `forwarded` npm module
+
 1.0.2 / 2014-09-18
 ==================
 

index.js

@@ -16,6 +16,7 @@ module.exports.compile = compile;
  * Module dependencies.
  */
 
+var forwarded = require('forwarded');
 var ipaddr = require('ipaddr.js');
 
 /**
@@ -46,16 +47,8 @@ var ipranges = {
  */
 
 function alladdrs(req, trust) {
-  if (!req) {
-    throw new TypeError('req argument is required');
-  }
-
-  var proxyAddrs = (req.headers['x-forwarded-for'] || '')
-    .split(/ *, */)
-    .filter(Boolean)
-    .reverse();
-  var socketAddr = req.connection.remoteAddress;
-  var addrs = [socketAddr].concat(proxyAddrs);
+  // get addresses
+  var addrs = forwarded(req);
 
   if (!trust) {
     // Return all addresses

package.json

@@ -11,6 +11,7 @@
   ],
   "repository": "jshttp/proxy-addr",
   "dependencies": {
+    "forwarded": "~0.1.0",
     "ipaddr.js": "0.1.3"
   },
   "devDependencies": {