fix ip lookup

lib/server.js

@@ -73,7 +73,7 @@ PeerServer.prototype._initializeWSS = function() {
       socket.close();
       return;
     }
-    
+
     if (!self._clients[key] || !self._clients[key][id]) {
       self._checkKey(key, ip, function(err) {
         if (!err) {
@@ -203,7 +203,7 @@ PeerServer.prototype._initializeHTTP = function() {
     var id = req.params.id;
     var token = req.params.token;
     var key = req.params.key;
-    var ip = req.ip;
+    var ip = req.connection.remoteAddress;
 
     if (!self._clients[key] || !self._clients[key][id]) {
       self._checkKey(key, ip, function(err) {
@@ -307,7 +307,7 @@ PeerServer.prototype._pruneOutstanding = function() {
   var keys = Object.keys(this._outstanding);
   for (var k = 0, kk = keys.length; k < kk; k += 1) {
     var key = keys[k];
-    var dsts = Object.keys(this._outstanding[key]);  
+    var dsts = Object.keys(this._outstanding[key]);
     for (var i = 0, ii = dsts.length; i < ii; i += 1) {
       var offers = this._outstanding[key][dsts[i]];
       var seen = {};