upgrade to express 4

package.json

@@ -2,7 +2,11 @@
  "name": "concarneau",
  "main": "server.js",
  "dependencies": {
- "express": "~3.4.8",
+ "express": "~4.0.0",
+ "express-session": "~1.0.4",
+ "compression": "~1.0.8",
+ "body-parser": "~1.0.2",
+ "cookie-parser": "~1.0.1",
  "ejs": "~1.0.0",
  "mongoose": "~3.8.12",
  "passport": "~0.2.0",
@@ -13,7 +17,7 @@
  "connect-flash": "~0.1.1",
  "bcrypt-nodejs": "latest",
  "tunnel": "0.0.3",
- "socket.io": "~1.0.4",
+ "socket.io": "~1.0.6",
  "yargs": "~1.2.6",
  "cookie": "~0.1.2",
  "connect": "~2.14.5",

server.js

@@ -31,13 +31,17 @@ if(process.env.HTTP_PROXY) {
 var port = process.env.PORT || 8080;
 
 // get all the tools we need
-var express = require('express');
-var app = express();
-var mongoose = require('mongoose');
-var passport = require('passport');
-var flash = require('connect-flash');
-var configDB = require('./config/database');
-var MongoStore = require('connect-mongo')(express);
+var express = require('express');
+var app = express();
+var cookieParser = require('cookie-parser');
+var bodyParser = require('body-parser');
+var session = require('express-session');
+var compression = require('compression');
+var mongoose = require('mongoose');
+var passport = require('passport');
+var flash = require('connect-flash');
+var configDB = require('./config/database');
+var MongoStore = require('connect-mongo')(session);
 
 // configuration ===============================================================
 var sessionStore = new MongoStore({
@@ -61,17 +65,16 @@ if(!process.env.C9_PROJECT) {
  next();
  });
 }
-//app.use(express.logger('dev')); // log every request to the console
-app.use(express.compress());
-app.use(express.cookieParser()); // read cookies (needed for auth)
-app.use(express.json());
-app.use(express.urlencoded()); // get information from html forms
+app.use(compression());
+app.use(cookieParser()); // read cookies (needed for auth)
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded()); // get information from html forms
 //TODO: consider using static cache (https://github.com/isaacs/st)
 app.use('/content', express.static(__dirname + '/content', { maxAge: 604800000 /* one week caching */ }));
 
 // required for passport
 process.env.EXPRESS_SESSION_SECRET = process.env.EXPRESS_SESSION_SECRET || 'ilovescotchscotchyscotchscotch';
-app.use(express.session({ secret: process.env.EXPRESS_SESSION_SECRET, key: 'express.sid', store: sessionStore })); // session secret
+app.use(session({ secret: process.env.EXPRESS_SESSION_SECRET, key: 'express.sid', store: sessionStore })); // session secret
 app.use(passport.initialize());
 app.use(passport.session()); // persistent login sessions
 app.use(flash()); // use connect-flash for flash messages stored in session