Google and GitHub OAuth2 in Node.js

Author: wpcodevo

.gitignore

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+node_modules
+# Keep environment variables out of version control
+.env

example.env

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+DATABASE_URL="file:./dev.db"
+
+GOOGLE_OAUTH_CLIENT_ID=
+GOOGLE_OAUTH_CLIENT_SECRET=
+GOOGLE_OAUTH_REDIRECT=http://localhost:8000/api/sessions/oauth/google
+
+GITHUB_OAUTH_CLIENT_ID=
+GITHUB_OAUTH_CLIENT_SECRET=
+GITHUB_OAUTH_REDIRECT_URL=http://localhost:8000/api/sessions/oauth/github
+
+NODE_ENV=development
+JWT_SECRET=my_ultra_secure_secret
+TOKEN_EXPIRES_IN=60
+FRONTEND_ORIGIN=http://localhost:3000

package.json

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+{
+  "name": "google-github-oauth2-nodejs",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "start": "ts-node-dev --respawn --transpile-only src/app.ts",
+    "db:migrate": "npx prisma migrate dev --name 'users' --create-only",
+    "db:generate": " npx prisma generate",
+    "db:push": "npx prisma db push"
+  },
+  "devDependencies": {
+    "@types/cookie-parser": "^1.4.3",
+    "@types/cors": "^2.8.13",
+    "@types/express": "^4.17.15",
+    "@types/jsonwebtoken": "^9.0.1",
+    "@types/morgan": "^1.9.4",
+    "@types/node": "^18.11.18",
+    "@types/qs": "^6.9.7",
+    "morgan": "^1.10.0",
+    "prisma": "^4.8.1",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^4.9.4"
+  },
+  "dependencies": {
+    "@prisma/client": "^4.8.1",
+    "axios": "^1.2.2",
+    "cookie-parser": "^1.4.6",
+    "cors": "^2.8.5",
+    "dotenv": "^16.0.3",
+    "express": "^4.18.2",
+    "jsonwebtoken": "^9.0.0",
+    "qs": "^6.11.0",
+    "zod": "^3.20.2"
+  }
+}

prisma/dev.db

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+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "role" TEXT NOT NULL DEFAULT 'user',
+    "photo" TEXT NOT NULL DEFAULT 'default.png',
+    "verified" BOOLEAN NOT NULL DEFAULT false,
+    "provider" TEXT NOT NULL DEFAULT 'local',
+    "createdAt" DATETIME NOT NULL,
+    "updatedAt" DATETIME NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");

prisma/migrations/20230117090020_init/migration.sql

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+/*
+  Warnings:
+
+  - You are about to drop the `User` table. If the table is not empty, all the data it contains will be lost.
+
+*/
+-- DropTable
+PRAGMA foreign_keys=off;
+DROP TABLE "User";
+PRAGMA foreign_keys=on;
+
+-- CreateTable
+CREATE TABLE "users" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "role" TEXT NOT NULL DEFAULT 'user',
+    "photo" TEXT NOT NULL DEFAULT 'default.png',
+    "verified" BOOLEAN NOT NULL DEFAULT false,
+    "provider" TEXT NOT NULL DEFAULT 'local',
+    "createdAt" DATETIME NOT NULL,
+    "updatedAt" DATETIME NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "users_email_key" ON "users"("email");

prisma/migrations/20230117090416_users/migration.sql

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+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "sqlite"

prisma/migrations/migration_lock.toml

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+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id       String  @id @default(uuid())
+  name     String
+  email    String  @unique
+  password String
+  role     String  @default("user")
+  photo    String  @default("default.png")
+  verified Boolean @default(false)
+  provider String  @default("local")
+
+  createdAt DateTime
+  updatedAt DateTime @updatedAt
+
+  @@map(name: "users")
+}

prisma/schema.prisma

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+require("dotenv").config();
+import path from "path";
+import express, { NextFunction, Request, Response } from "express";
+import morgan from "morgan";
+import cors from "cors";
+import cookieParser from "cookie-parser";
+import userRouter from "./routes/user.route";
+import authRouter from "./routes/auth.route";
+import sessionRouter from "./routes/session.route";
+import connectDB from "./utils/prisma";
+
+const app = express();
+
+app.use(express.json({ limit: "10kb" }));
+app.use(cookieParser());
+if (process.env.NODE_ENV === "development") app.use(morgan("dev"));
+app.use("/api/images", express.static(path.join(__dirname, "../public")));
+
+const FRONTEND_ORIGIN = process.env.FRONTEND_ORIGIN as unknown as string;
+app.use(
+  cors({
+    credentials: true,
+    origin: [FRONTEND_ORIGIN],
+  })
+);
+
+app.use("/api/users", userRouter);
+app.use("/api/auth", authRouter);
+app.use("/api/sessions", sessionRouter);
+
+app.get("/api/healthChecker", (req: Request, res: Response) => {
+  res.status(200).json({
+    status: "success",
+    message: "Implement OAuth in Node.js",
+  });
+});
+
+// UnKnown Routes
+app.all("*", (req: Request, res: Response, next: NextFunction) => {
+  const err = new Error(`Route ${req.originalUrl} not found`) as any;
+  err.statusCode = 404;
+  next(err);
+});
+
+app.use((err: any, req: Request, res: Response, next: NextFunction) => {
+  err.status = err.status || "error";
+  err.statusCode = err.statusCode || 500;
+
+  res.status(err.statusCode).json({
+    status: err.status,
+    message: err.message,
+  });
+});
+
+const port = 8000;
+app.listen(port, () => {
+  console.log(`✅ Server started on port: ${port}`);
+  connectDB();
+});