Add team#21

team#21 - 3/.gitignore

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+node_modules/
+
+.env

team#21 - 3/Team.txt

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+Team#21
+202051200: Vijay Karanjkar
+202051197: Valiveti Swamy Naga Sai Nivas
+202051097: Kalash Singh Jadoun
+202051177: Siddhesh Bhosale

team#21 - 3/app.js

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+require('dotenv').config();
+const express = require("express");
+const bodyParser = require("body-parser");
+const ejs = require("ejs");
+const mongoose = require("mongoose");
+const session = require('express-session');
+const passport = require("passport");
+const passportLocalMongoose = require("passport-local-mongoose");
+const GoogleStrategy = require('passport-google-oauth20').Strategy;
+const findOrCreate = require('mongoose-findorcreate');
+
+const app = express();
+
+app.use(express.static("public"));
+app.set('view engine', 'ejs');
+app.use(bodyParser.urlencoded({
+  extended: true
+}));
+
+// * use session here
+app.use(session({
+  secret: "Session Secret",
+  resave: false,
+  saveUninitialized: false
+}));
+
+// * initialize passport
+app.use(passport.initialize());
+
+// * start session using passport.session()
+app.use(passport.session());
+
+// * connect to mongoose
+// * set useCreateIndex to true
+mongoose.connect("mongodb://localhost:27017/userDB", {useNewUrlParser: true});
+// mongoose.set("useCreateIndex", true);
+
+// * create mongoose schema
+const userSchema = new mongoose.Schema ({
+  email: String,
+  password: String,
+  googleId: String,
+  state: String
+});
+
+// * add plugins passportLocalMongoose and findOrCreate
+userSchema.plugin(passportLocalMongoose);
+userSchema.plugin(findOrCreate);
+
+// * declare User Model using the created mongoose Schema
+const User = new mongoose.model("User", userSchema);
+
+// * createStrategy for User using passport
+passport.use(User.createStrategy());
+
+// * make passport.serialize and passport.deserialize
+passport.serializeUser(function(user, done) {
+  done(null, user.id);
+});
+
+passport.deserializeUser(function(id, done) {
+  User.findById(id, function(err, user) {
+    done(err, user);
+  });
+});
+
+// * passport UseGoogleStrategy
+passport.use(new GoogleStrategy({
+  clientID: process.env.CLIENT_ID,
+  clientSecret: process.env.CLIENT_SECRET,
+  callbackURL: "http://localhost:3000/auth/google/dashboard",
+  userProfileURL: "https://www.googleapis.com/oauth2/v3/userinfo"
+},
+function(accessToken, refreshToken, profile, cb) {
+  console.log(profile);
+
+  User.findOrCreate({ googleId: profile.id }, function (err, user) {
+    return cb(err, user);
+  });
+}
+));
+
+// * get / route
+app.get('/', function(req, res) {
+    res.render('home');
+});
+
+// * get /auth/google route
+app.get("/auth/google",
+  passport.authenticate('google', { scope: ["profile"] })
+);
+
+// * get /auth/google/dashboard route
+app.get("/auth/google/dashboard",
+  passport.authenticate('google', { failureRedirect: "/login" }),
+  function(req, res) {
+    res.redirect("/dashboard");
+  });
+
+// * get /login route
+app.get('/login', function (req, res) {
+  res.render('login');
+});
+
+// * get /register route
+app.get('/register', function(req, res) {
+  res.render('register');
+});
+
+app.get('/dashboard', function(req, res) {
+  res.render('dashboard');
+});
+
+// * get /main route
+app.get('/main', function() {
+ res.render('dashboard');
+});
+
+// * get /logout route
+app.get("/logout", function(req, res){
+  req.logout();
+  res.redirect("/");
+});
+
+// * post /register route
+app.post("/register", function(req, res){
+
+  User.register({username: req.body.username}, req.body.password, function(err, user){
+    if (err) {
+      console.log(err);
+      res.redirect("/register");
+    } else {
+      passport.authenticate("local")(req, res, function(){
+        res.redirect("/dashboard");
+      });
+    }
+  });
+
+});
+
+// * post /login route
+app.post("/login", function(req, res){
+
+  const user = new User({
+    username: req.body.username,
+    password: req.body.password
+  });
+
+  req.login(user, function(err){
+    if (err) {
+      console.log(err);
+    } else {
+      passport.authenticate("local")(req, res, function(){
+        res.redirect("/dashboard");
+      });
+    }
+  });
+
+});
+
+// * listen to PORT
+app.listen(3000, function() {
+    console.log("Listening to PORT 3000");
+});