login system update

@@ -16,10 +16,15 @@
     "@babel/node": "^7.13.13",
     "@babel/preset-env": "^7.14.1",
     "axios": "^0.21.1",
+    "connect-mongo": "^4.4.1",
+    "dotenv": "^9.0.2",
     "express": "^4.17.1",
+    "express-session": "^1.17.1",
     "mongoose": "^5.12.9",
     "morgan": "^1.10.0",
     "nodemon": "^2.0.7",
+    "passport": "^0.4.1",
+    "passport-github2": "^0.1.12",
     "pug": "^3.0.2"
   },
   "devDependencies": {

 import axios from "axios";
+import passport from "passport";
 import User from "../models/User";
 
 const getQuote = async (req,res) =>{
@@ -41,3 +42,40 @@ export const getLogin = (req,res)=>{
 export const handleUsers = (req,res)=>{
     res.render("users",{pageTitle:"Users"});
 }
+
+export const githubLogin = passport.authenticate("github", {scope: [ "user:email" ]});
+
+export const githubLoginCallback = async (_, __, profile, done) =>{
+    const {_json: {id:githubId, login:githubName, avatar_url:avatarUrl, name, email}} = profile;
+
+    try{
+        const user = await User.findOne({email});
+        if(user){
+            user.githubId = githubId,
+            user.githubName = githubName
+            await user.save();
+            return done(null, user);
+        }else{
+            const newUser = await User.create({
+                githubId,
+                githubName,
+                avatarUrl,
+                name,
+                email
+            });
+            return done(null, newUser);
+        }
+    }catch(error){
+        return done(error);
+    }
+};
+
+export const postGithubLogin = (req,res)=>{
+    const userId = req.user.id;
+    res.redirect(`/users/${userId}`);
+}
+
+export const logout = (req,res)=>{
+    req.logout();
+    res.redirect("/");
+}
\ No newline at end of file

 import mongoose from "mongoose";
 
-mongoose.connect("mongodb://127.0.0.1:27017/dev-profile",{
+mongoose.connect(process.env.DB_URL,{
     useNewUrlParser: true,
     useFindAndModify: false,
-    useUnifiedTopology: true
+    useUnifiedTopology: true,
+    useCreateIndex: true
     }
 );
 

+import "dotenv/config";
 import "./db";
 import "./models/User";
 import app from "./server";

 export const localsMiddleware = (req,res,next) => {
     res.locals.siteName = "Dev Profile";
+    res.locals.loggedUser = req.user || null;
+
     next();
 };
+
+export const onlyPublic = (req, res, next) => {
+    if(req.user){
+        res.redirect("/");
+    } else {
+        next();
+    }
+};
+
+export const onlyPrivate = (req, res, next) => {
+    if(req.user){
+        next();
+    } else {
+        res.redirect("/");
+    }
+};
\ No newline at end of file

@@ -7,12 +7,14 @@ const UserSchema = new mongoose.Schema({
     },
     email: {
         type: String,
-        trim: true
+        trim: true,
+        unique: true
     },
     avatarUrl: String,
     githubId: {
         type: Number,
-        required: "GitHub id is required"     
+        required: "GitHub id is required",
+        unique: true     
     },
     githubName: {
         type: String,
@@ -40,6 +42,13 @@ const UserSchema = new mongoose.Schema({
     }
 });
 
+UserSchema.static("formatTech", function(tech){
+    return tech.split(",");
+});
+UserSchema.static("formatCareer",function(career){
+    return career.split(",");
+});
+
 const User = mongoose.model("User", UserSchema);
 
 

+import passport from "passport";
+import GithubStrategy from "passport-github2";
+import { githubLoginCallback } from "./controllers/userController";
+import User from "./models/User";
+
+passport.use(new GithubStrategy(
+    {
+    clientID: process.env.GH_ID,
+    clientSecret: process.env.GH_SECRET,
+    callbackURL: `http://localhost:5500/auth/github/callback`
+    }, 
+    githubLoginCallback
+)
+);
+
+passport.serializeUser(function(user, done) {
+    done(null, user);
+  });
+  
+  passport.deserializeUser(function(user, done) {
+    done(null, user);
+  });
\ No newline at end of file

 import express from "express";
-import { getJoin, getLogin, handleHome } from "../controllers/userController";
+import passport from "passport";
+import { getJoin, getLogin, githubLogin, handleHome, logout, postGithubLogin } from "../controllers/userController";
+import { onlyPrivate, onlyPublic } from "../middlewares";
 
 
 
 const globalRouter = express.Router();
 
 globalRouter.get("/",handleHome);
-globalRouter.get("/join", getJoin);
-globalRouter.get("/login",getLogin);
+globalRouter.get("/join", onlyPublic, getJoin);
+globalRouter.get("/login", onlyPublic, getLogin);
+globalRouter.get("/logout", onlyPrivate, logout);
 
+globalRouter.get("/auth/github", githubLogin);
+globalRouter.get(
+    "/auth/github/callback",
+    passport.authenticate("github",{failureRedirect: "/login"}),
+    postGithubLogin
+);
 
 export default globalRouter;
\ No newline at end of file

 import express from "express";
 import { getEditProfile, getUserDetail, handleUsers, postEditProfile } from "../controllers/userController";
+import { onlyPrivate } from "../middlewares";
 
 
 const userRouter = express.Router();
 
 userRouter.get("/",handleUsers);
 
-userRouter.get("/edit-profile", getEditProfile);
-userRouter.post("/edit-profile", postEditProfile);
+userRouter.get("/edit-profile", onlyPrivate, getEditProfile);
+userRouter.post("/edit-profile", onlyPrivate, postEditProfile);
 
 userRouter.get("/:id", getUserDetail);
 

 import express from "express";
 import path from "path";
 import morgan from "morgan";
+import session from "express-session";
+import passport from "passport";
+import MongoStore from "connect-mongo";
 import globalRouter from "./routers/globalRouter";
 import userRouter from "./routers/userRouter";
 import { localsMiddleware } from "./middlewares";
-
+import "./passport";
 
 
 const app = express();
@@ -16,7 +19,17 @@ app.use(express.static(path.join(__dirname, "static")));
 app.use(morgan("dev"));
 app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
-
+app.use(
+    session({
+        secret: process.env.COOKIE_SECRET,
+        resave: true,
+        saveUninitialized: false,
+        store: MongoStore.create({mongoUrl: process.env.DB_URL})
+    })
+);
+
+app.use(passport.initialize());
+app.use(passport.session());
 
 app.use(localsMiddleware);
 app.use("/", globalRouter);

@@ -4,7 +4,7 @@ block content
     i.fas.fa-location-arrow
     h3 Start with GitHub!
     button.login-github
-        a(href="#")
+        a(href="/auth/github")
             span
                 i.fab.fa-github 
             |Join with GitHub 

@@ -4,7 +4,7 @@ block content
     i.fas.fa-location-arrow
     h3 Login with GitHub!
     button.login-github
-        a(href="#")
+        a(href="/auth/github")
             span
                 i.fab.fa-github 
             |Login with GitHub 

@@ -2,11 +2,18 @@ header.header
     .header__wrapper 
         .header__column 
             ul
+                if !loggedUser
                     li 
                         a(href="/") Home 
                     li 
                         a(href="/join") Join 
                     li 
                         a(href="/login") Log In
+
+                else
+                    li 
+                        a(href="/") Home 
                     li 
                         a(href="/users/edit-profile") Edit Profile
+                    li 
+                        a(href="/logout") Log Out
\ No newline at end of file

@@ -5,6 +5,7 @@ block content
     .user-quote
         h2=quote 
         h3=author
+    hr
     .user-profile 
         .user-profile__column 
             img(src="#")
@@ -20,6 +21,7 @@ block content
                 h3 TECH 
                 h3 CAREER 
                 h3 SELF-INTRODUCTION
+    hr
     .user-status
         .user-status__contributions
             img(src="http://ghchart.rshah.org/lsj8706" alt="Name Your Github chart")