├── .eslintrc.json
├── .gitignore
├── .vscode
    └── settings.json
├── README.md
├── change.env
├── middleware.ts
├── next-env.d.ts
├── next.config.js
├── package-lock.json
├── package.json
├── pages
    ├── _app.tsx
    ├── admin.tsx
    ├── api
    │   ├── auth
    │   │   └── [...nextauth].ts
    │   └── hello.ts
    ├── auth
    │   ├── signin.tsx
    │   └── signup.tsx
    ├── index.tsx
    └── protected.tsx
├── public
    ├── favicon.ico
    └── vercel.svg
├── styles
    ├── Home.module.css
    └── globals.css
└── tsconfig.json


/.eslintrc.json:
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1 | {
2 |   "extends": "next/core-web-vitals"
3 | }
4 | 


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/.gitignore:
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 1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 2 | 
 3 | # dependencies
 4 | /node_modules
 5 | /.pnp
 6 | .pnp.js
 7 | 
 8 | # testing
 9 | /coverage
10 | 
11 | # next.js
12 | /.next/
13 | /out/
14 | 
15 | # production
16 | /build
17 | 
18 | # misc
19 | .DS_Store
20 | *.pem
21 | 
22 | # debug
23 | npm-debug.log*
24 | yarn-debug.log*
25 | yarn-error.log*
26 | .pnpm-debug.log*
27 | 
28 | # local env files
29 | .env*.local
30 | 
31 | # vercel
32 | .vercel
33 | 
34 | # typescript
35 | *.tsbuildinfo
36 | 


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/.vscode/settings.json:
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1 | {
2 |   "cSpell.words": ["yourapp"]
3 | }
4 | 


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/README.md:
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1 | This is a Next.js Auth project made for educational purpose
2 | Part one: [See Video](https://youtu.be/EFucgPdjeNg).
3 | Part two: [See Video](https://youtu.be/ollnut-J47s).
4 | 
5 | Just do `npm install`
6 | 


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/change.env:
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1 | NEXTAUTH_SECRET=my_little_secret


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/middleware.ts:
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 1 | import { withAuth } from "next-auth/middleware";
 2 | import { NextRequest, NextResponse } from "next/server";
 3 | 
 4 | export default withAuth(
 5 |   function middleware(req: NextRequest) {
 6 |     // return NextResponse
 7 |     return NextResponse.rewrite(new URL("/admin", req.url));
 8 |   },
 9 |   {
10 |     callbacks: {
11 |       authorized({ token }) {
12 |         return token?.role === "admin";
13 |       },
14 |     },
15 |   }
16 | );
17 | 
18 | export const config = { matcher: ["/", "/admin"] };
19 | 


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/next-env.d.ts:
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1 | /// <reference types="next" />
2 | /// <reference types="next/image-types/global" />
3 | 
4 | // NOTE: This file should not be edited
5 | // see https://nextjs.org/docs/basic-features/typescript for more information.
6 | 


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/next.config.js:
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1 | /** @type {import('next').NextConfig} */
2 | const nextConfig = {
3 |   reactStrictMode: true,
4 |   swcMinify: true,
5 | }
6 | 
7 | module.exports = nextConfig
8 | 


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/package.json:
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 1 | {
 2 |   "name": "auth-app",
 3 |   "version": "0.1.0",
 4 |   "private": true,
 5 |   "scripts": {
 6 |     "dev": "next dev",
 7 |     "build": "next build",
 8 |     "start": "next start",
 9 |     "lint": "next lint"
10 |   },
11 |   "dependencies": {
12 |     "next": "12.2.2",
13 |     "next-auth": "^4.10.1",
14 |     "react": "18.2.0",
15 |     "react-dom": "18.2.0"
16 |   },
17 |   "devDependencies": {
18 |     "@types/node": "18.0.6",
19 |     "@types/react": "18.0.15",
20 |     "@types/react-dom": "18.0.6",
21 |     "eslint": "8.20.0",
22 |     "eslint-config-next": "12.2.2",
23 |     "typescript": "4.7.4"
24 |   }
25 | }
26 | 


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/pages/_app.tsx:
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 1 | import "../styles/globals.css";
 2 | import type { AppProps } from "next/app";
 3 | import { SessionProvider } from "next-auth/react";
 4 | 
 5 | function MyApp({ Component, pageProps }: AppProps) {
 6 |   return (
 7 |     <SessionProvider session={pageProps.session}>
 8 |       <Component {...pageProps} />
 9 |     </SessionProvider>
10 |   );
11 | }
12 | 
13 | export default MyApp;
14 | 


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/pages/admin.tsx:
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 1 | import { FC } from "react";
 2 | 
 3 | interface Props {}
 4 | 
 5 | const Admin: FC<Props> = (props): JSX.Element => {
 6 |   return <div>admin</div>;
 7 | };
 8 | 
 9 | export default Admin;
10 | 


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/pages/api/auth/[...nextauth].ts:
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 1 | import NextAuth, { NextAuthOptions } from "next-auth";
 2 | import CredentialsProvider from "next-auth/providers/credentials";
 3 | 
 4 | const authOptions: NextAuthOptions = {
 5 |   session: {
 6 |     strategy: "jwt",
 7 |   },
 8 |   providers: [
 9 |     CredentialsProvider({
10 |       type: "credentials",
11 |       credentials: {},
12 |       authorize(credentials, req) {
13 |         const { email, password } = credentials as {
14 |           email: string;
15 |           password: string;
16 |         };
17 |         // perform you login logic
18 |         // find out user from db
19 |         if (email !== "john@gmail.com" || password !== "1234") {
20 |           throw new Error("invalid credentials");
21 |         }
22 | 
23 |         // if everything is fine
24 |         return {
25 |           id: "1234",
26 |           name: "John Doe",
27 |           email: "john@gmail.com",
28 |           role: "admin",
29 |         };
30 |       },
31 |     }),
32 |   ],
33 |   pages: {
34 |     signIn: "/auth/signin",
35 |     // error: '/auth/error',
36 |     // signOut: '/auth/signout'
37 |   },
38 |   callbacks: {
39 |     jwt(params) {
40 |       // update token
41 |       if (params.user?.role) {
42 |         params.token.role = params.user.role;
43 |       }
44 |       // return final_token
45 |       return params.token;
46 |     },
47 |   },
48 | };
49 | 
50 | export default NextAuth(authOptions);
51 | 


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/pages/api/hello.ts:
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 1 | // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 2 | import type { NextApiRequest, NextApiResponse } from 'next'
 3 | 
 4 | type Data = {
 5 |   name: string
 6 | }
 7 | 
 8 | export default function handler(
 9 |   req: NextApiRequest,
10 |   res: NextApiResponse<Data>
11 | ) {
12 |   res.status(200).json({ name: 'John Doe' })
13 | }
14 | 


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/pages/auth/signin.tsx:
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 1 | import { NextPage } from "next";
 2 | import { signIn } from "next-auth/react";
 3 | import { FormEventHandler, useState } from "react";
 4 | 
 5 | interface Props {}
 6 | 
 7 | const SignIn: NextPage = (props): JSX.Element => {
 8 |   const [userInfo, setUserInfo] = useState({ email: "", password: "" });
 9 |   const handleSubmit: FormEventHandler<HTMLFormElement> = async (e) => {
10 |     // validate your userinfo
11 |     e.preventDefault();
12 | 
13 |     const res = await signIn("credentials", {
14 |       email: userInfo.email,
15 |       password: userInfo.password,
16 |       redirect: false,
17 |     });
18 | 
19 |     console.log(res);
20 |   };
21 |   return (
22 |     <div className="sign-in-form">
23 |       <form onSubmit={handleSubmit}>
24 |         <h1>Login</h1>
25 |         <input
26 |           value={userInfo.email}
27 |           onChange={({ target }) =>
28 |             setUserInfo({ ...userInfo, email: target.value })
29 |           }
30 |           type="email"
31 |           placeholder="john@email.com"
32 |         />
33 |         <input
34 |           value={userInfo.password}
35 |           onChange={({ target }) =>
36 |             setUserInfo({ ...userInfo, password: target.value })
37 |           }
38 |           type="password"
39 |           placeholder="********"
40 |         />
41 |         <input type="submit" value="Login" />
42 |       </form>
43 |     </div>
44 |   );
45 | };
46 | 
47 | export default SignIn;
48 | 


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/pages/auth/signup.tsx:
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https://raw.githubusercontent.com/ndpniraj/next-auth-demo-yt/763317ea1ec82f3007bd7a5db5f0d2deb8559f06/pages/auth/signup.tsx


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/pages/index.tsx:
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 1 | import type { NextPage } from "next";
 2 | import Head from "next/head";
 3 | import Image from "next/image";
 4 | import { signIn } from "next-auth/react";
 5 | import styles from "../styles/Home.module.css";
 6 | 
 7 | const Home: NextPage = () => {
 8 |   return (
 9 |     <div className={styles.container}>
10 |       <Head>
11 |         <title>Create Next App</title>
12 |         <meta name="description" content="Generated by create next app" />
13 |         <link rel="icon" href="/favicon.ico" />
14 |       </Head>
15 | 
16 |       <main className={styles.main}>
17 |         <button
18 |           onClick={() => {
19 |             signIn();
20 |           }}
21 |         >
22 |           Login
23 |         </button>
24 |       </main>
25 | 
26 |       <footer className={styles.footer}></footer>
27 |     </div>
28 |   );
29 | };
30 | 
31 | export default Home;
32 | 


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/pages/protected.tsx:
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 1 | import { NextPage } from "next";
 2 | import { useSession } from "next-auth/react";
 3 | import Router from "next/router";
 4 | import { useEffect } from "react";
 5 | 
 6 | const Protected: NextPage = (): JSX.Element => {
 7 |   const { status, data } = useSession();
 8 | 
 9 |   useEffect(() => {
10 |     if (status === "unauthenticated") Router.replace("/auth/signin");
11 |   }, [status]);
12 | 
13 |   if (status === "authenticated")
14 |     return (
15 |       <div>
16 |         This page is Protected for special people. like{"\n"}
17 |         {JSON.stringify(data.user, null, 2)}
18 |       </div>
19 |     );
20 | 
21 |   return <div>loading</div>;
22 | };
23 | 
24 | export default Protected;
25 | 


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/public/favicon.ico:
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https://raw.githubusercontent.com/ndpniraj/next-auth-demo-yt/763317ea1ec82f3007bd7a5db5f0d2deb8559f06/public/favicon.ico


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/public/vercel.svg:
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1 | <svg width="283" height="64" viewBox="0 0 283 64" fill="none" 
2 |     xmlns="http://www.w3.org/2000/svg">
3 |     <path d="M141.04 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.46 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM248.72 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.45 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM200.24 34c0 6 3.92 10 10 10 4.12 0 7.21-1.87 8.8-4.92l7.68 4.43c-3.18 5.3-9.14 8.49-16.48 8.49-11.05 0-19-7.2-19-18s7.96-18 19-18c7.34 0 13.29 3.19 16.48 8.49l-7.68 4.43c-1.59-3.05-4.68-4.92-8.8-4.92-6.07 0-10 4-10 10zm82.48-29v46h-9V5h9zM36.95 0L73.9 64H0L36.95 0zm92.38 5l-27.71 48L73.91 5H84.3l17.32 30 17.32-30h10.39zm58.91 12v9.69c-1-.29-2.06-.49-3.2-.49-5.81 0-10 4-10 10V51h-9V17h9v9.2c0-5.08 5.91-9.2 13.2-9.2z" fill="#000"/>
4 | </svg>


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/styles/Home.module.css:
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  1 | .container {
  2 |   padding: 0 2rem;
  3 | }
  4 | 
  5 | .main {
  6 |   min-height: 100vh;
  7 |   padding: 4rem 0;
  8 |   flex: 1;
  9 |   display: flex;
 10 |   flex-direction: column;
 11 |   justify-content: center;
 12 |   align-items: center;
 13 | }
 14 | 
 15 | .footer {
 16 |   display: flex;
 17 |   flex: 1;
 18 |   padding: 2rem 0;
 19 |   border-top: 1px solid #eaeaea;
 20 |   justify-content: center;
 21 |   align-items: center;
 22 | }
 23 | 
 24 | .footer a {
 25 |   display: flex;
 26 |   justify-content: center;
 27 |   align-items: center;
 28 |   flex-grow: 1;
 29 | }
 30 | 
 31 | .title a {
 32 |   color: #0070f3;
 33 |   text-decoration: none;
 34 | }
 35 | 
 36 | .title a:hover,
 37 | .title a:focus,
 38 | .title a:active {
 39 |   text-decoration: underline;
 40 | }
 41 | 
 42 | .title {
 43 |   margin: 0;
 44 |   line-height: 1.15;
 45 |   font-size: 4rem;
 46 | }
 47 | 
 48 | .title,
 49 | .description {
 50 |   text-align: center;
 51 | }
 52 | 
 53 | .description {
 54 |   margin: 4rem 0;
 55 |   line-height: 1.5;
 56 |   font-size: 1.5rem;
 57 | }
 58 | 
 59 | .code {
 60 |   background: #fafafa;
 61 |   border-radius: 5px;
 62 |   padding: 0.75rem;
 63 |   font-size: 1.1rem;
 64 |   font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
 65 |     Bitstream Vera Sans Mono, Courier New, monospace;
 66 | }
 67 | 
 68 | .grid {
 69 |   display: flex;
 70 |   align-items: center;
 71 |   justify-content: center;
 72 |   flex-wrap: wrap;
 73 |   max-width: 800px;
 74 | }
 75 | 
 76 | .card {
 77 |   margin: 1rem;
 78 |   padding: 1.5rem;
 79 |   text-align: left;
 80 |   color: inherit;
 81 |   text-decoration: none;
 82 |   border: 1px solid #eaeaea;
 83 |   border-radius: 10px;
 84 |   transition: color 0.15s ease, border-color 0.15s ease;
 85 |   max-width: 300px;
 86 | }
 87 | 
 88 | .card:hover,
 89 | .card:focus,
 90 | .card:active {
 91 |   color: #0070f3;
 92 |   border-color: #0070f3;
 93 | }
 94 | 
 95 | .card h2 {
 96 |   margin: 0 0 1rem 0;
 97 |   font-size: 1.5rem;
 98 | }
 99 | 
100 | .card p {
101 |   margin: 0;
102 |   font-size: 1.25rem;
103 |   line-height: 1.5;
104 | }
105 | 
106 | .logo {
107 |   height: 1em;
108 |   margin-left: 0.5rem;
109 | }
110 | 
111 | @media (max-width: 600px) {
112 |   .grid {
113 |     width: 100%;
114 |     flex-direction: column;
115 |   }
116 | }
117 | 


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/styles/globals.css:
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 1 | html,
 2 | body {
 3 |   padding: 0;
 4 |   margin: 0;
 5 |   font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
 6 |     Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
 7 | }
 8 | 
 9 | a {
10 |   color: inherit;
11 |   text-decoration: none;
12 | }
13 | 
14 | * {
15 |   box-sizing: border-box;
16 | }
17 | 
18 | .sign-in-form{
19 |   width: 100%;
20 |   height: 100vh;
21 |   display: flex;
22 |   justify-content: center;
23 |   align-items: center;
24 | }
25 | .sign-in-form input{
26 |   display: block;
27 |   padding: 5px;
28 |   border: 1px gray solid;
29 |   border-radius: 3px;
30 |   margin-top: 15px;
31 | }
32 | .sign-in-form h1{
33 |   font-size: 18px;
34 |   text-align: center;
35 | }
36 | .sign-in-form form{
37 |   padding: 50px 15px;
38 |   border: 2px gray solid;
39 |   border-radius: 3px;
40 | }


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/tsconfig.json:
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 1 | {
 2 |   "compilerOptions": {
 3 |     "target": "es5",
 4 |     "lib": ["dom", "dom.iterable", "esnext"],
 5 |     "allowJs": true,
 6 |     "skipLibCheck": true,
 7 |     "strict": true,
 8 |     "forceConsistentCasingInFileNames": true,
 9 |     "noEmit": true,
10 |     "esModuleInterop": true,
11 |     "module": "esnext",
12 |     "moduleResolution": "node",
13 |     "resolveJsonModule": true,
14 |     "isolatedModules": true,
15 |     "jsx": "preserve",
16 |     "incremental": true
17 |   },
18 |   "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
19 |   "exclude": ["node_modules"]
20 | }
21 | 


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