Added Google auth. example files

@@ -2,7 +2,6 @@
 // # auth
 
 var passport = require('passport')
-
 var lib, app
 
 module.exports = function(_lib, _app) {
@@ -32,3 +31,7 @@ function deserializeUser(id, done) {
     done(err, user)
   })
 }
+
+
+ 
+

@@ -12,9 +12,11 @@ module.exports = function(_lib, _app) {
 }
 
 function routes() {
-	
+
   var home = IoC.create('controllers/home')
 
   app.get('/', home.render)
   app.get('/about', home.about)
+
 }
+

+/**
+ * Add following code to auth() function in
+ * ./config/auth.js
+ *
+ * It's better to keep 'returnURL' and 'realm'
+ * in settings.
+ */
+
+
+var GoogleStrategy = require('passport-google').Strategy
+
+passport.use( new GoogleStrategy({
+    returnURL: 'http://localhost:3000/auth/google/callback',
+    realm: 'http://localhost:3000',
+    passReqToCallback: true
+  },
+  function(req, identifier, profile, done) {
+
+    var email = profile.emails[ 0 ].value
+    var User = lib.db.model('User')
+
+    // save user
+    User.findOne({
+        email: email
+    }, function( err, user ) {
+
+      if (!user) {
+        User.create({
+          email: email,
+          name: profile.displayName,
+        }, function(err, user) {
+
+          // Update lastToken
+          user.lastToken = identifier
+          user.save()
+          return done( err, user )
+        });
+
+      } else {
+        // Update lastToken
+        user.lastToken = identifier
+        user.save()
+        return done( err, user )
+      }
+      
+    });
+  }
+));
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+/**
+ * Add following code to routes() function in
+ * your ./config/routes.js file.
+ */
+
+var passport = require('passport')
+
+// auth route
+
+app.get('/auth/google', function(req,res,next) { 
+		// add remember me details etc. here
+   	next()
+  },
+  passport.authenticate('google', { failureRedirect: '/', failureFlash: true }),
+  function(req, res) {
+  	res.redirect('/')
+  });
+
+// auth callback
+
+app.get('/auth/google/callback',
+  passport.authenticate( 'google', {
+    failureRedirect: '/'
+  }),
+  function(req, res, next) {
+    var redirectTo = req.session.redirectTo;
+
+    // Successful authentication, redirect to dashboard page.
+    if ( redirectTo ) {
+        req.session.redirectTo = null
+        res.redirect(redirectTo)
+    } else {
+        res.redirect('/logged-in')
+    }
+  }
+);
+
+// log out
+
+app.get('/logout', function(req, res){
+  req.logout()
+  res.redirect('/')
+});
+
+// sample log-in message
+
+app.get('/logged-in', function(req, res){
+  req.send(200, 'Hey!')
+});
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