Update node.js sample app to be compatible with newer node.js versions

samples/Node.js/README.md

@@ -1,6 +1,7 @@
 # Sample code for Node.js
 
-This sample is written for [Node.js 0.10+](http://nodejs.org/) and requires [Express 4+](http://expressjs.com/) to make the sample code cleaner.
+This sample is written for [Node.js 0.10+](http://nodejs.org/) and requires
+[Express 4+](http://expressjs.com/) to make the sample code cleaner.
 
 To install and run:
 
@@ -10,9 +11,13 @@ To install and run:
 
 Then browse to [localhost:3000](http://localhost:3000).
 
-
 ## Enabling Cross-domain Uploads
 
-If you would like to load the resumable.js library from one domain and have your Node.js reside on another, you must allow 'Access-Control-Allow-Origin' from '*'.  Please remember, there are some potential security risks with enabling this functionality.  If you would still like to implement cross-domain uploads, open app.js and uncomment lines 24-31 and uncomment line 17.
+If you would like to load the resumable.js library from one domain and have your
+Node.js reside on another, you must set the header
+`Access-Control-Allow-Origin: *`. Please remember, there are some potential
+security risks with enabling this functionality.  If you would still like to
+implement cross-domain uploads, open app.js and uncomment lines 12-15.
 
-Then in public/index.html, on line 49, update the target with your server's address.  For example: target:'http://www.example.com/upload'
+Then in public/index.html, on line 49, update the target with your servers
+address.  For example: target:'http://www.example.com/upload'

samples/Node.js/app.js

@@ -8,39 +8,28 @@ app.use(express.static(__dirname + '/public'));
 
 app.use(multipart());
 
+// Uncomment to allow CORS
+// app.use(function (req, res, next) {
+//    res.header('Access-Control-Allow-Origin', '*');
+//    next();
+// });
+
 // Handle uploads through Resumable.js
 app.post('/upload', function(req, res){
-
-	// console.log(req);
-
     resumable.post(req, function(status, filename, original_filename, identifier){
         console.log('POST', status, original_filename, identifier);
 
-        res.send(status, {
-            // NOTE: Uncomment this funciton to enable cross-domain request.
-            //'Access-Control-Allow-Origin': '*'
-        });
+        res.send(status);
     });
 });
 
-// Handle cross-domain requests
-// NOTE: Uncomment this funciton to enable cross-domain request.
-/*
-  app.options('/upload', function(req, res){
-  console.log('OPTIONS');
-  res.send(true, {
-  'Access-Control-Allow-Origin': '*'
-  }, 200);
-  });
-*/
-
 // Handle status checks on chunks through Resumable.js
 app.get('/upload', function(req, res){
     resumable.get(req, function(status, filename, original_filename, identifier){
         console.log('GET', status);
         res.send((status == 'found' ? 200 : 404), status);
-      });
-  });
+    });
+});
 
 app.get('/download/:identifier', function(req, res){
 	resumable.write(req.params.identifier, res);