change mail options to OAuth and update database url

.env.sample

@@ -1,5 +1,12 @@
-PORT = 
-IP = 
-DATABASEURL = 
-GMAILID = 
-GMAILPW = 
+PORT=3000
+
+DB_HOST=
+DB_NAME=
+DB_USERNAME=
+DB_PASSWORD=
+DB_PORT=
+
+OAUTH_CLIENT_ID=
+OAUTH_CLIENT_SECRET= 
+OAUTH_CLIENT_REFRESH_TOKEN=
+OAUTH_CLIENT_EMAIL= 

README.md

@@ -1,3 +1,40 @@
-# sparkTest
+# Authentication Portal Sample
+
+## Setup
+
+- Clone this repository
+
+-  Install [MongoDb](https://www.digitalocean.com/community/tutorials/how-to-install-mongodb-on-ubuntu-16-04)
+-  Create Role 
+```sh 
+db.createRole({ createRole: <Role Name>, privileges: [ {
+  resource: { db: <Database Name>, collection: "" },
+  actions: [ "find","insert","update","createIndex","createCollection","remove" ]}
+], roles: [{ role: "read", db: <Database Name>}] })
+```
+- Create User
+```sh
+- db.createUser({"user" : <User name>,pwd: <Password>, "roles" : [{"role" : <Role Name Created>, "db" : <Database Name>}]})
+```
+- Install npm packages
+```sh
+- npm install
+```
+
+- Make a .env file with the same fields as .env.sample
+```sh
+- cp .env.sample .env
+```
+
+- Fill the .env file accordingly
+
+### For OAuth Credentials
+- Use your oauth secrets by registering [here](https://console.developers.google.com/)
+
+## Using the app
+- Run the app
+```sh
+- npm start
+```
+- Visit the url as mentioned in the terminal, usually http://localhost:3000
 
-A working model for this website is available at https://spark-sampl.herokuapp.com/

app.js

@@ -10,9 +10,22 @@ var express          = require("express"),
 
 require('dotenv').config();
 
-var url = process.env.DATABASEURL || 'mongodb://localhost:27017/sparkTest'
 
-mongoose.connect(url, {useNewUrlParser: true});
+// mongoose setup
+
+var dbHost = process.env.DB_HOST || 'localhost';
+var dbName = process.env.DB_NAME;
+var dbUser = process.env.DB_USERNAME;
+var dbPass = process.env.DB_PASSWORD;
+var dbPort = process.env.DB_PORT || "27017";
+
+var url = "mongodb://" + dbUser + ":" + dbPass + "@" + dbHost + ":" + dbPort + "/" + dbName;
+
+mongoose
+    .connect(url, {useNewUrlParser: true})
+    .then(() => console.log("Connected To Database"))
+    .catch(err => console.error(err));
+
 mongoose.set('useFindAndModify', false);
 app.use(bodyParser.urlencoded({extended: false}));
 app.use(express.static(__dirname+"/public"));
@@ -52,6 +65,7 @@ app.use("/", userRoutes);
 app.use("/", forgotRoutes);
 
 //Server
-app.listen(process.env.PORT, process.env.IP,function(){
-	console.log(`Server started on PORT ${process.env.PORT}`);
+app.listen(process.env.PORT,function(){
+    console.log(`Server started on PORT ${process.env.PORT}`);
+    console.log(`Visit http://localhost:${process.env.PORT}`);
 });

routes/forgot.js

@@ -38,11 +38,19 @@ router.post('/forgot',middleware.isLoggedOut, function(req, res, next) {
       });
     },
     function(token, user, done) {
+      var clientId = process.env.OAUTH_CLIENT_ID
+      var clientSecret = process.env.OAUTH_CLIENT_SECRET
+      var refreshToken = process.env.OAUTH_CLIENT_REFRESH_TOKEN
+      var userMailID = process.env.OAUTH_CLIENT_EMAIL
+
       var smtpTransport = nodemailer.createTransport({
-        service: 'Gmail', 
+        host: "smtp.gmail.com",
         auth: {
-          user: process.env.GMAILID,
-          pass: process.env.GMAILPW,
+          type: "OAuth2",
+                user: userMailID,
+                clientId: clientId,
+                clientSecret: clientSecret,
+                refreshToken: refreshToken
         }
       });
       var mailOptions = {