#Authentication

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#

Hi @swift moat. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

#

I'll help you understand authentication with external APIs in Next.js v15.

Authentication with External APIs in Next.js v15

Next.js v15 introduced some changes to how authentication works, particularly with API routes. When implementing authentication with external APIs, you have several options:

Authentication Libraries

Next.js works well with various authentication libraries that can help you connect to external APIs:

  • NextAuth.js (Auth.js): The most popular option for Next.js authentication
  • Auth0
  • Clerk
  • Magic.link
  • Supabase Auth
  • And many others

Next.js Authentication Resources

Important Note for Next.js v15

If you're using dynamic API routes for authentication in Next.js v15, there's an important change to be aware of. You now need to await params before accessing their properties:

// Before (Next.js 14 and earlier)
export default function handler(req, res) {
  const { auth0 } = req.query;
  // ...
}

// After (Next.js 15)
export default async function handler(req, res) {
  const params = await req.query;
  const auth0 = params.auth0;
  // ...
}

This change affects authentication implementations that use dynamic API routes, as noted in a recent GitHub issue.

Implementation Example

Here's a basic example of implementing authentication with an external API in Next.js:

  1. Create a login form component:
# 
import { FormEvent } from 'react'
import { useRouter } from 'next/router'
 
export default function LoginPage() {
  const router = useRouter()
 
  async function handleSubmit(event: FormEvent<HTMLFormElement>) {
    event.preventDefault()
 
    const formData = new FormData(event.currentTarget)
    const email = formData.get('email')
    const password = formData.get('password')
 
    const response = await fetch('/api/auth/login', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ email, password }),
    })
 
    if (response.ok) {
      router.push('/profile')
    } else {
      // Handle errors
    }
  }
 
  return (
    <form onSubmit={handleSubmit}>
      <input type="email" name="email" placeholder="Email" required />
      <input type="password" name="password" placeholder="Password" required />
      <button type="submit">Login</button>
    </form>
  )
}
  1. Create an API route to handle authentication with your external API:
import type { NextApiRequest, NextApiResponse } from 'next'
 
export default async function handler(
  req: NextApiRequest,
  res: NextApiResponse
) {
  try {
    const { email, password } = req.body
    
    // Call your external authentication API
    const response = await fetch('<https://your-external-api.com/auth',> {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ email, password }),
    })
    
    if (!response.ok) {
      return res.status(401).json({ error: 'Invalid credentials.' })
    }
    
    const data = await response.json()
    
    // Set cookies or session data as needed
    // ...
    
    res.status(200).json({ success: true })
  } catch (error) {
    res.status(500).json({ error: 'Something went wrong.' })
  }
}

Using NextAuth.js with External APIs

#

For a more robust solution, consider using NextAuth.js which simplifies authentication with external APIs:

import NextAuth from 'next-auth';
import Credentials from 'next-auth/providers/credentials';

export const { auth, signIn, signOut, handlers: { GET, POST } } = NextAuth({
  providers: [
    Credentials({
      name: 'credentials',
      credentials: {
        email: { label: 'email', type: 'text' },
        password: { label: 'password', type: 'password' },
      },
      async authorize(credentials) {
        // Call your external API here
        const response = await fetch('<https://your-external-api.com/auth',> {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({
            email: credentials?.email,
            password: credentials?.password,
          }),
        });

        if (!response.ok) return null;
        
        const user = await response.json();
        return user;
      },
    }),
  ],
});

For more detailed implementation guidance, check out the various authentication libraries' documentation for Next.js integration.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

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Let me check the knowledge base for you again. Give me one moment! :books:

#

I'll provide you with a full authentication flow using NextAuth.js (Auth.js) with Next.js.

Full Authentication Flow with NextAuth.js

1. Installation

First, install NextAuth.js:

npm install next-auth@5.0.0-beta.25

For Next.js 15, it's recommended to use the beta version of NextAuth.js v5 as mentioned in a GitHub issue.

2. Set Up Authentication Provider

For this example, I'll use GitHub OAuth, but NextAuth supports many providers like Google, Discord, etc.

Create a GitHub OAuth app:

  1. Go to GitHub Developer Settings
  2. Click "New OAuth App"
  3. Fill in your app details
  4. Set the Authorization callback URL to <http://localhost:3000/api/auth/callback/github> (for local development)
  5. After registering, copy your Client ID and Client Secret

How to Build a Fullstack App with Next.js, Prisma, and Vercel Postgres

3. Environment Configuration

Create a .env file in your project root:

# .env
GITHUB_ID=your_github_client_id
GITHUB_SECRET=your_github_client_secret
NEXTAUTH_URL=<http://localhost:3000>
NEXTAUTH_SECRET=your_nextauth_secret

Generate a secure NEXTAUTH_SECRET:

openssl rand -base64 32

Next.js Redis Session Store Template

4. Configure NextAuth.js

Create an API route for authentication:

For App Router (Next.js 13+):

// app/api/auth/[...nextauth]/route.js
import NextAuth from "next-auth";
import GithubProvider from "next-auth/providers/github";
import { PrismaAdapter } from "@next-auth/prisma-adapter";
import prisma from "@/lib/prisma"; // Your Prisma client
#

export const { handlers, auth, signIn, signOut } = NextAuth({
adapter: PrismaAdapter(prisma),
providers: [
GithubProvider({
clientId: process.env.GITHUB_ID,
clientSecret: process.env.GITHUB_SECRET,
}),
],
callbacks: {
async session({ session, user }) {
session.user.id = user.id;
return session;
},
},
});

export { handlers as GET, handlers as POST };


For Pages Router:

```javascript
// pages/api/auth/[...nextauth].js
import NextAuth from "next-auth";
import GithubProvider from "next-auth/providers/github";
import { PrismaAdapter } from "@next-auth/prisma-adapter";
import prisma from "../../../lib/prisma"; // Your Prisma client

export default NextAuth({
  adapter: PrismaAdapter(prisma),
  providers: [
    GithubProvider({
      clientId: process.env.GITHUB_ID,
      clientSecret: process.env.GITHUB_SECRET,
    }),
  ],
  callbacks: {
    async session({ session, user }) {
      session.user.id = user.id;
      return session;
    },
  },
});

Fullstack Authentication Example with Next.js and NextAuth.js

5. Set Up Database Schema (if using Prisma)

// prisma/schema.prisma
model Account {
  id                 String  @id @default(cuid())
  userId             String  @map("user_id")
  type               String
  provider           String
  providerAccountId  String  @map("provider_account_id")
  refresh_token      String?
  access_token       String?
  expires_at         Int?
  token_type         String?
  scope              String?
  id_token           String?
  session_state      String?

  user User @relation(fields:[userId], references:[id], onDelete: Cascade)
  @@unique([provider, providerAccountId])
}
#

model Session {
id String @id @default(cuid())
sessionToken String @unique @map("session_token")
userId String @map("user_id")
expires DateTime
user User @relation(fields:[userId], references:[id], onDelete: Cascade)
}

model User {
id String @id @default(cuid())
name String?
email String? @unique
emailVerified DateTime?
image String?
accounts Account[]
sessions Session[]
}

model VerificationToken {
identifier String
token String @unique
expires DateTime
@@unique([identifier, token])
}


[How to Build a Fullstack App with Next.js, Prisma, and Vercel Postgres](<https://vercel.com/guides/nextjs-prisma-postgres#step-6.-set-up-github-authentication-with-nextauth>)

### 6. Add Session Provider to Your App

For App Router:

```javascript
// app/providers.js
'use client'

import { SessionProvider } from "next-auth/react";

export function Providers({ children }) {
  return <SessionProvider>{children}</SessionProvider>;
}

// app/layout.js
import { Providers } from "./providers";

export default function RootLayout({ children }) {
  return (
    <html lang="en">
      <body>
        <Providers>{children}</Providers>
      </body>
    </html>
  );
}

For Pages Router:

// pages/_app.js
import { SessionProvider } from "next-auth/react";

function MyApp({ Component, pageProps }) {
  return (
    <SessionProvider session={pageProps.session}>
      <Component {...pageProps} />
    </SessionProvider>
  );
}

export default MyApp;

How to Build a Fullstack App with Next.js, Prisma, and Vercel Postgres

7. Create Authentication UI Components

// components/LoginButton.js
'use client'
#

import { signIn, signOut, useSession } from "next-auth/react";

export function LoginButton() {
const { data: session } = useSession();

if (session) {
return (
<div>
<p>Signed in as {session.user.email}</p>
<button onClick={() => signOut()}>Sign out</button>
</div>
);
}
return <button onClick={() => signIn()}>Sign in</button>;
}


### 8. Protect Routes

For App Router:

```javascript
// app/dashboard/page.js
import { redirect } from "next/navigation";
import { auth } from "@/app/api/auth/[...nextauth]/route";

export default async function Dashboard() {
  const session = await auth();
  
  if (!session) {
    redirect("/api/auth/signin");
  }
  
  return (
    <div>
      <h1>Dashboard</h1>
      <p>Welcome {session.user.name}!</p>
    </div>
  );
}

For Pages Router:

// pages/dashboard.js
import { useSession } from "next-auth/react";
import { useRouter } from "next/router";
import { useEffect } from "react";

export default function Dashboard() {
  const { data: session, status } = useSession();
  const router = useRouter();
  
  useEffect(() => {
    if (status === "unauthenticated") {
      router.push("/api/auth/signin");
    }
  }, [status, router]);
  
  if (status === "loading") {
    return <p>Loading...</p>;
  }
  
  return (
    <div>
      <h1>Dashboard</h1>
      <p>Welcome {session.user.name}!</p>
    </div>
  );
}

9. Deploy to Production

When deploying to production:

  1. Create a new OAuth app for your production domain
  2. Update environment variables with production values
  3. Set the correct NEXTAUTH_URL to your production URL
  4. Ensure your database is properly set up
#

This complete flow provides a robust authentication system for your Next.js application. NextAuth.js handles the complex parts of authentication while giving you flexibility to customize as needed.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

#

Let me check the knowledge base for you again. Give me one moment! :books:

#

I'll help you implement authentication with your external API that returns JWT tokens (accessToken and refreshToken) in Next.js, and explain how to access the session in both client and server components.

Authentication with External API JWT Tokens

1. Set Up NextAuth.js with Credentials Provider

// app/api/auth/[...nextauth]/route.js
import NextAuth from "next-auth";
import CredentialsProvider from "next-auth/providers/credentials";
#

export const { handlers, auth, signIn, signOut } = NextAuth({
providers: [
CredentialsProvider({
name: "Credentials",
credentials: {
username: { label: "Username", type: "text" },
password: { label: "Password", type: "password" }
},
async authorize(credentials) {
try {
// Call your external API
const response = await fetch("https://your-external-api.com/login", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
username: credentials?.username,
password: credentials?.password,
}),
});

      if (!response.ok) return null;
      
      // Get tokens from your API
      const data = await response.json();
      
      // Return user object with tokens
      return {
        id: data.userId,
        name: data.name,
        email: data.email,
        accessToken: data.accessToken,
        refreshToken: data.refreshToken,
      };
    } catch (error) {
      console.error("Auth error:", error);
      return null;
    }
  }
})

],
callbacks: {
// Store tokens in the JWT
async jwt({ token, user }) {
if (user) {
token.accessToken = user.accessToken;
token.refreshToken = user.refreshToken;
token.userId = user.id;
}
return token;
},
// Expose tokens to the client session
async session({ session, token }) {
session.accessToken = token.accessToken;
session.refreshToken = token.refreshToken;
session.user.id = token.userId;
return session;
}
},
session: {
strategy: "jwt",
},
});

export { handlers as GET, handlers as POST };


### 2. Token Refresh Implementation
#

You can add token refresh functionality by updating the JWT callback:

callbacks: {
  async jwt({ token, user }) {
    if (user) {
      token.accessToken = user.accessToken;
      token.refreshToken = user.refreshToken;
      token.userId = user.id;
      token.expiresAt = Date.now() + 3600 * 1000; // Example expiry (1 hour)
    }
    
    // Return existing token if not expired
    if (Date.now() < token.expiresAt) {
      return token;
    }
    
    // Token has expired, try to refresh it
    try {
      const response = await fetch("<https://your-external-api.com/refresh",> {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ refreshToken: token.refreshToken }),
      });
      
      if (!response.ok) throw new Error("Failed to refresh token");
      
      const data = await response.json();
      
      return {
        ...token,
        accessToken: data.accessToken,
        refreshToken: data.refreshToken || token.refreshToken,
        expiresAt: Date.now() + 3600 * 1000, // Update expiry
      };
    } catch (error) {
      console.error("Error refreshing token:", error);
      return { ...token, error: "RefreshAccessTokenError" };
    }
  },
  // Rest of callbacks...
}

3. Accessing Session in Client Components

In client components, you can use the useSession hook:

'use client'

import { useSession } from "next-auth/react";
#

export default function ProfileClient() {
const { data: session, status } = useSession();

if (status === "loading") {
return <p>Loading...</p>;
}

if (status === "unauthenticated") {
return <p>Access Denied</p>;
}

return (
<div>
<h1>Client Component</h1>
<p>Welcome {session.user.name}</p>
{/* You can access tokens here */}
<p>You have an access token (hidden for security)</p>
</div>
);
}


### 4. Accessing Session in Server Components

For server components, you can use the `auth()` function:

```javascript
// app/profile/page.js
import { auth } from "@/app/api/auth/[...nextauth]/route";

export default async function ProfileServer() {
  const session = await auth();
  
  if (!session) {
    return <p>Access Denied</p>;
  }
  
  // You can use the session and tokens for server-side API calls
  const response = await fetch("<https://your-api.com/user-data",> {
    headers: {
      Authorization: `Bearer ${session.accessToken}`
    }
  });
  
  const userData = await response.json();
  
  return (
    <div>
      <h1>Server Component</h1>
      <p>Welcome {session.user.name}</p>
      <div>
        <h2>Your Data:</h2>
        <pre>{JSON.stringify(userData, null, 2)}</pre>
      </div>
    </div>
  );
}

5. Session Management

For session management, Next.js recommends using libraries like iron-session or Jose for secure handling of session data:

Next.js Session Management

6. Context Providers (Optional)

If you need to access session data in multiple client components, you can use context providers:

// app/layout.js
import { Providers } from "./providers";
#

export default function RootLayout({ children }) {
return (
<html lang="en">
<body>
<Providers>{children}</Providers>
</body>
</html>
);
}

// app/providers.js
'use client'
import { SessionProvider } from "next-auth/react";

export function Providers({ children }) {
return <SessionProvider>{children}</SessionProvider>;
}


Note that React context is only available in Client Components, as mentioned in the [Next.js documentation on context providers](<https://nextjs.org/docs/app/building-your-application/authentication#context-providers>).

This implementation gives you a complete authentication flow with your external API, handling both access and refresh tokens, while providing session access in both client and server components.
----------------------
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
----------------------
#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

swift moat
#

@fringe saddle Can you help me to add logic here?? i have an extenal backend api for login and it's returning me accessToken and refreshToken, how to implement in my app??

// in auth.ts
import { AuthOptions, getServerSession } from "next-auth"

const authOptions: AuthOptions = {
// Configure one or more authentication providers
providers: [
// ...add more providers here
],
}

/**

  • Helper function to get the session on the server without having to import the authOptions object every single time
  • @returns The session object or null
    */
    const getSession = () => getServerSession(authOptions)

export { authOptions, getSession }

// in app/api/auth/[...nextauth]/route.ts
import { authOptions } from "@/auth"
import NextAuth from "next-auth"

const handler = NextAuth(authOptions)

export { handler as GET, handler as POST }

fringe saddleBOT
#

Let me check the knowledge base for you again. Give me one moment! :books:

#

I'll help you implement authentication with your external API that returns JWT tokens in Next.js. Let's modify your code to handle the login flow and token management.

Implementing External API Authentication

First, let's update your auth.ts file to use the Credentials provider and handle your external API:

// auth.ts
import { AuthOptions, getServerSession } from "next-auth"
import CredentialsProvider from "next-auth/providers/credentials"
#

const authOptions: AuthOptions = {
providers: [
CredentialsProvider({
name: "Credentials",
credentials: {
email: { label: "Email", type: "text" },
password: { label: "Password", type: "password" }
},
async authorize(credentials) {
try {
// Call your external API for authentication
const response = await fetch("https://your-external-api.com/login", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
email: credentials?.email,
password: credentials?.password,
}),
});

      if (!response.ok) {
        return null;
      }
      
      const data = await response.json();
      
      // Return user object with tokens
      return {
        id: data.userId || data.id,
        name: data.name,
        email: data.email,
        accessToken: data.accessToken,
        refreshToken: data.refreshToken,
      };
    } catch (error) {
      console.error("Authentication error:", error);
      return null;
    }
  }
}),

],
callbacks: {
// Store tokens in the JWT
async jwt({ token, user }) {
if (user) {
token.accessToken = user.accessToken;
token.refreshToken = user.refreshToken;
token.userId = user.id;
// Set token expiry time if your API provides it
token.expiresAt = Date.now() + 3600 * 1000; // Example: 1 hour
}

  // Check if token needs refreshing
  if (token.expiresAt && Date.now() > token.expiresAt) {
    try {
      // Call your refresh token endpoint
      const response = await fetch("<https://your-external-api.com/refresh-token",> {
        method: "POST",
#

headers: { "Content-Type": "application/json" },
body: JSON.stringify({ refreshToken: token.refreshToken }),
});

      if (!response.ok) throw new Error("Failed to refresh token");
      
      const refreshedTokens = await response.json();
      
      return {
        ...token,
        accessToken: refreshedTokens.accessToken,
        refreshToken: refreshedTokens.refreshToken || token.refreshToken,
        expiresAt: Date.now() + 3600 * 1000, // Update expiry time
      };
    } catch (error) {
      console.error("Error refreshing token:", error);
      return { ...token, error: "RefreshAccessTokenError" };
    }
  }
  
  return token;
},
// Expose tokens to the client session
async session({ session, token }) {
  session.user.id = token.userId;
  session.accessToken = token.accessToken;
  session.refreshToken = token.refreshToken;
  session.error = token.error;
  
  return session;
}

},
pages: {
signIn: '/login', // Custom login page path (optional)
},
session: {
strategy: "jwt", // Use JWT strategy for session handling
maxAge: 30 * 24 * 60 * 60, // 30 days
},
}

#

/**

  • Helper function to get the session on the server without having to import the authOptions object every single time
  • @returns The session object or null
    */
    const getSession = () => getServerSession(authOptions)

export { authOptions, getSession }


Your `app/api/auth/[...nextauth]/route.ts` file looks good as is:

```typescript
// app/api/auth/[...nextauth]/route.ts
import { authOptions } from "@/auth"
import NextAuth from "next-auth"

const handler = NextAuth(authOptions)

export { handler as GET, handler as POST }

Using the Session in Components

In Server Components:

// app/profile/page.tsx
import { getSession } from "@/auth";

export default async function ProfilePage() {
  const session = await getSession();
  
  if (!session) {
    return <div>Please sign in to view this page</div>;
  }
  
  // Use the access token to fetch data from your API
  const response = await fetch("<https://your-external-api.com/user-data",> {
    headers: {
      Authorization: `Bearer ${session.accessToken}`
    }
  });
  
  const userData = await response.json();
  
  return (
    <div>
      <h1>Profile</h1>
      <p>Welcome, {session.user.name}</p>
      <div>
        <h2>Your Data:</h2>
        <pre>{JSON.stringify(userData, null, 2)}</pre>
      </div>
    </div>
  );
}

In Client Components:

'use client'
// app/components/UserInfo.tsx
import { useSession } from "next-auth/react";
#

export default function UserInfo() {
const { data: session, status } = useSession();

if (status === "loading") {
return <div>Loading...</div>;
}

if (status === "unauthenticated") {
return <div>Please sign in</div>;
}

return (
<div>
<h2>User Information</h2>
<p>Name: {session?.user?.name}</p>
<p>Email: {session?.user?.email}</p>
{/* You can access tokens here */}
<p>You have an access token (hidden for security)</p>
</div>
);
}


## Setting Up Session Provider

Don't forget to add the SessionProvider to your layout:

```typescript
// app/providers.tsx
'use client'
import { SessionProvider } from "next-auth/react";

export function Providers({ children }: { children: React.ReactNode }) {
  return <SessionProvider>{children}</SessionProvider>;
}

// app/layout.tsx
import { Providers } from "./providers";

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <html lang="en">
      <body>
        <Providers>{children}</Providers>
      </body>
    </html>
  );
}

This implementation gives you a complete authentication flow with your external API, handling both access and refresh tokens, while providing session access in both client and server components. Make sure to replace the API endpoints with your actual external API URLs.

Next.js Authentication provides more details on authentication patterns and best practices.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

swift moat
#

got it @fringe saddle But having lot's of ts issue in auth.ts file, would you mind fixing those?

1=> Property 'accessToken' does not exist on type 'User | AdapterUser'.
Property 'accessToken' does not exist on type 'User'.

2=> Operator '>' cannot be applied to types 'number' and '{}'.ts(2365)
Codeium: Explain Problem

var Date: DateConstructor
Enables basic storage and retrieval of dates and times.

3=> 'session.user' is possibly 'undefined'.ts(18048)
The left-hand side of an assignment expression may not be an optional property access.ts(2779)
Codeium: Explain Problem

(parameter) session: Session
No quick fixes available

4=> Property 'accessToken' does not exist on type 'Session'.

fringe saddleBOT
#

Let me check the knowledge base for you again. Give me one moment! :books:

#

I'll help you fix the TypeScript issues in your auth.ts file. These are common type errors when working with NextAuth.js and custom properties.

Fixing TypeScript Issues in auth.ts

First, let's create proper type definitions to extend the default NextAuth types:

// auth.ts
import { AuthOptions, getServerSession } from "next-auth"
import CredentialsProvider from "next-auth/providers/credentials"
import { JWT } from "next-auth/jwt"

// Extend the built-in types
declare module "next-auth" {
  interface User {
    id: string
    name?: string | null
    email?: string | null
    accessToken?: string
    refreshToken?: string
  }

  interface Session {
    user: {
      id: string
      name?: string | null
      email?: string | null
    }
    accessToken?: string
    refreshToken?: string
    error?: string
  }
}

declare module "next-auth/jwt" {
  interface JWT {
    userId: string
    accessToken?: string
    refreshToken?: string
    expiresAt?: number
    error?: string
  }
}
#

const authOptions: AuthOptions = {
providers: [
CredentialsProvider({
name: "Credentials",
credentials: {
email: { label: "Email", type: "text" },
password: { label: "Password", type: "password" }
},
async authorize(credentials) {
try {
// Call your external API for authentication
const response = await fetch("https://your-external-api.com/login", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
email: credentials?.email,
password: credentials?.password,
}),
});

      if (!response.ok) {
        return null;
      }
      
      const data = await response.json();
      
      // Return user object with tokens
      return {
        id: data.userId || data.id,
        name: data.name,
        email: data.email,
        accessToken: data.accessToken,
        refreshToken: data.refreshToken,
      };
    } catch (error) {
      console.error("Authentication error:", error);
      return null;
    }
  }
}),

],
callbacks: {
// Store tokens in the JWT
async jwt({ token, user }) {
if (user) {
token.accessToken = user.accessToken;
token.refreshToken = user.refreshToken;
token.userId = user.id;
// Set token expiry time if your API provides it
token.expiresAt = Date.now() + 3600 * 1000; // Example: 1 hour
}

  // Check if token needs refreshing
  if (token.expiresAt && typeof token.expiresAt === 'number' && Date.now() > token.expiresAt) {
    try {
      // Call your refresh token endpoint
      const response = await fetch("<https://your-external-api.com/refresh-token",> {
#

method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ refreshToken: token.refreshToken }),
});

      if (!response.ok) throw new Error("Failed to refresh token");
      
      const refreshedTokens = await response.json();
      
      return {
        ...token,
        accessToken: refreshedTokens.accessToken,
        refreshToken: refreshedTokens.refreshToken || token.refreshToken,
        expiresAt: Date.now() + 3600 * 1000, // Update expiry time
      };
    } catch (error) {
      console.error("Error refreshing token:", error);
      return { ...token, error: "RefreshAccessTokenError" };
    }
  }
  
  return token;
},
// Expose tokens to the client session
async session({ session, token }) {
  if (session.user) {
    session.user.id = token.userId;
  }
  session.accessToken = token.accessToken;
  session.refreshToken = token.refreshToken;
  session.error = token.error;
  
  return session;
}

},
pages: {
signIn: '/login', // Custom login page path (optional)
},
session: {
strategy: "jwt", // Use JWT strategy for session handling
maxAge: 30 * 24 * 60 * 60, // 30 days
},
}

#

/**

  • Helper function to get the session on the server without having to import the authOptions object every single time
  • @returns The session object or null
    */
    const getSession = () => getServerSession(authOptions)

export { authOptions, getSession }


## What I Fixed:

1. **Type Extension**: Added module declarations to extend the default NextAuth types to include your custom properties like `accessToken` and `refreshToken`.

2. **Type Check for expiresAt**: Added a type check `typeof token.expiresAt === 'number'` to ensure we're comparing numbers.

3. **Null Check for session.user**: Added a null check before accessing `session.user` to prevent TypeScript errors.

4. **Proper Type Definitions**: Defined proper interfaces for User, Session, and JWT to include all the custom properties you're using.

These changes should resolve the TypeScript errors you were encountering while maintaining the functionality of your authentication system.

When using the session in your components, you'll now be able to access the custom properties without TypeScript errors:

```typescript
// Server component example
const session = await getSession();
if (session?.accessToken) {
  // Use the access token
}

// Client component example
const { data: session } = useSession();
if (session?.accessToken) {
  // Use the access token
}

This approach follows the TypeScript configuration best practices for Next.js.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

swift moat
#

@fringe saddle how to call signin, register, funcitons?

fringe saddleBOT
#

Let me check the knowledge base for you again. Give me one moment! :books:

#

I'll explain how to call sign-in and register functions in Next.js with NextAuth.js, based on the authentication setup we've been discussing.

Calling Sign-in Function

Client-Side Sign-in

For client components, you can use the signIn function from NextAuth:

'use client'
import { signIn } from "next-auth/react"
import { useState } from "react"

export default function LoginForm() {
  const [email, setEmail] = useState('')
  const [password, setPassword] = useState('')
  const [error, setError] = useState('')

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setError('')

    try {
      const result = await signIn('credentials', {
        redirect: false, // Prevent automatic redirect
        email,
        password,
      })

      if (result?.error) {
        setError(result.error)
      } else if (result?.ok) {
        // Redirect or update UI
        window.location.href = '/dashboard'
      }
    } catch (error) {
      console.error('Login error:', error)
      setError('An unexpected error occurred')
    }
  }

  return (
    <form onSubmit={handleSubmit}>
      <div>
        <label htmlFor="email">Email</label>
        <input
          id="email"
          type="email"
          value={email}
          onChange={(e) => setEmail(e.target.value)}
          required
        />
      </div>
      <div>
        <label htmlFor="password">Password</label>
        <input
          id="password"
          type="password"
          value={password}
          onChange={(e) => setPassword(e.target.value)}
          required
        />
      </div>
      {error && <p className="error">{error}</p>}
      <button type="submit">Sign In</button>
    </form>
  )
}

Server-Side Sign-in (Server Actions)

#

For server components or server actions in Next.js 14+, you can use the signIn function you exported from your auth configuration:

// app/actions/auth.ts
'use server'

import { signIn } from "@/auth" // Import from your auth.ts file
import { redirect } from "next/navigation"

export async function login(formData: FormData) {
  const email = formData.get('email') as string
  const password = formData.get('password') as string

  try {
    await signIn('credentials', { 
      email, 
      password,
      redirectTo: '/dashboard' 
    })
  } catch (error) {
    // Handle errors
    if ((error as Error).message.includes('CredentialsSignin')) {
      return { error: 'Invalid credentials' }
    }
    throw error
  }
}

Then use it in a form:

// app/login/page.tsx
import { login } from "@/app/actions/auth"

export default function LoginPage() {
  return (
    <form action={login}>
      <input name="email" type="email" required />
      <input name="password" type="password" required />
      <button type="submit">Sign In</button>
    </form>
  )
}

Calling Register Function

Since NextAuth doesn't have a built-in register function, you'll need to create your own:

Client-Side Registration

'use client'
import { useState } from "react"
import { signIn } from "next-auth/react"

export default function RegisterForm() {
  const [name, setName] = useState('')
  const [email, setEmail] = useState('')
  const [password, setPassword] = useState('')
  const [error, setError] = useState('')

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setError('')
#

try {
// Call your API to register the user
const res = await fetch('/api/auth/register', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name, email, password }),
})

  const data = await res.json()

  if (!res.ok) {
    throw new Error(data.message || 'Registration failed')
  }

  // If registration is successful, sign in the user
  await signIn('credentials', {
    redirect: true,
    email,
    password,
    callbackUrl: '/dashboard',
  })
} catch (error) {
  console.error('Registration error:', error)
  setError((error as Error).message)
}

}

return (
<form onSubmit={handleSubmit}>
<div>
<label htmlFor="name">Name</label>
<input
id="name"
type="text"
value={name}
onChange={(e) => setName(e.target.value)}
required
/>
</div>
<div>
<label htmlFor="email">Email</label>
<input
id="email"
type="email"
value={email}
onChange={(e) => setEmail(e.target.value)}
required
/>
</div>
<div>
<label htmlFor="password">Password</label>
<input
id="password"
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
required
/>
</div>
{error && <p className="error">{error}</p>}
<button type="submit">Register</button>
</form>
)
}


### Server-Side Registration (Server Actions)

```typescript
// app/actions/auth.ts
'use server'

import { signIn } from "@/auth"
import { redirect } from "next/navigation"
#

export async function register(formData: FormData) {
const name = formData.get('name') as string
const email = formData.get('email') as string
const password = formData.get('password') as string

try {
// Call your external API to register the user
const response = await fetch('https://your-external-api.com/register', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name, email, password }),
})

if (!response.ok) {
  const data = await response.json()
  return { error: data.message || 'Registration failed' }
}

// If registration is successful, sign in the user
await signIn('credentials', { 
  email, 
  password,
  redirectTo: '/dashboard' 
})

} catch (error) {
return { error: 'An unexpected error occurred' }
}
}


Then use it in a form:

```typescript
// app/register/page.tsx
import { register } from "@/app/actions/auth"

export default function RegisterPage() {
  return (
    <form action={register}>
      <input name="name" type="text" required />
      <input name="email" type="email" required />
      <input name="password" type="password" required />
      <button type="submit">Register</button>
    </form>
  )
}

API Route for Registration

You'll also need to create an API route to handle registration if you're using the client-side approach:

// app/api/auth/register/route.ts
import { NextResponse } from 'next/server'
import bcrypt from 'bcryptjs'

export async function POST(request: Request) {
  try {
    const { name, email, password } = await request.json()

    // Validate input
    if (!name || !email || !password) {
      return NextResponse.json(
        { message: 'Missing required fields' },
        { status: 400 }
      )
    }
#

// Call your external API to register the user
const response = await fetch('https://your-external-api.com/register', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
name,
email,
password
}),
})

if (!response.ok) {
  const errorData = await response.json()
  return NextResponse.json(
    { message: errorData.message || 'Registration failed' },
    { status: response.status }
  )
}

const data = await response.json()

return NextResponse.json(
  { message: 'User registered successfully', userId: data.userId },
  { status: 201 }
)

} catch (error) {
console.error('Registration error:', error)
return NextResponse.json(
{ message: 'Internal server error' },
{ status: 500 }
)
}
}


These examples show how to implement sign-in and registration functionality in Next.js with NextAuth.js, both on the client side and server side, while integrating with your external authentication API.
----------------------
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
----------------------
#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

swift moat
#

GET / 500 in 13828ms
✓ Compiled /favicon.ico in 335ms
GET /favicon.ico 200 in 617ms
Reload env: .env
null
⨯ [Error: React Context is unavailable in Server Components] {
digest: '1500214041'
}
GET / 500 in 376ms
GET /favicon.ico 200 in 80ms
null
⨯ [Error: React Context is unavailable in Server Components] {
digest: '1500214041'
}
GET / 500 in 86ms
GET /favicon.ico 200 in 44ms

#

@fringe saddle

getting this:

GET / 500 in 13828ms
✓ Compiled /favicon.ico in 335ms
GET /favicon.ico 200 in 617ms
Reload env: .env
null
⨯ [Error: React Context is unavailable in Server Components] {
digest: '1500214041'
}
GET / 500 in 376ms
GET /favicon.ico 200 in 80ms
null
⨯ [Error: React Context is unavailable in Server Components] {
digest: '1500214041'
}
GET / 500 in 86ms
GET /favicon.ico 200 in 44ms

fringe saddleBOT
#

Let me check the knowledge base for you again. Give me one moment! :books:

#

I can see you're encountering a "React Context is unavailable in Server Components" error in your Next.js application. This is a common issue when trying to use React Context in Server Components.

Why This Error Occurs

In Next.js App Router, Server Components cannot use React Context. This is because Server Components are rendered on the server without the React reconciliation process that Context relies on.

As explained in the Next.js documentation:

Since React context is not supported in Server Components, trying to create a context at the root of your application will cause an error.

How to Fix It

The solution is to move your Context Provider to a Client Component. Here's how:

  1. Create a separate Client Component file for your provider:
// app/providers.js
'use client';

import { createContext } from 'react';

export const YourContext = createContext({});

export function Providers({ children }) {
  return <YourContext.Provider value="your-value">{children}</YourContext.Provider>;
}
  1. Import and use this provider in your layout:
// app/layout.js
import { Providers } from './providers';

export default function RootLayout({ children }) {
  return (
    <html>
      <body>
        <Providers>{children}</Providers>
      </body>
    </html>
  );
}

Common Causes

This error often occurs when:

  1. Using third-party libraries that use Context internally without the 'use client' directive
  2. Trying to use createContext directly in a Server Component
  3. Using hooks like useContext in Server Components

If you're using a third-party library that uses Context (like Chakra UI, Redux, etc.), make sure to wrap it in a Client Component with the 'use client' directive.

#

For Third-Party Providers

If you're using third-party context providers, create a wrapper Client Component:

'use client';
import { ThemeProvider } from 'some-ui-library';
import { AuthProvider } from 'some-auth-library';

export function Providers({ children }) {
  return (
    <ThemeProvider>
      <AuthProvider>{children}</AuthProvider>
    </ThemeProvider>
  );
}

This approach follows the recommended pattern for using Context in Next.js applications with the App Router.

Let me know if you need more specific help based on your particular setup!

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@swift moat Kapa.ai is still learning and improving, please let me know how I did by reacting below.

swift moat
#

@fringe saddle
Refresh token is not working, it's not updating the tokens:

callbacks: {
async jwt({ token, user }: { token: any, user: any }) {
if (user) {
token.accessToken = user.accessToken;
token.refreshToken = user.refreshToken;
token.userId = user.id;
token.expiresAt = Date.now() + 3600 * 1000; //1 hour
}

        // Refreshing
        if (
            token.expiresAt &&
            typeof token.expiresAt === "number" &&
            Date.now() > token.expiresAt
        ) {
            try {
                const { accessToken, refreshToken } = await refreshTokens(
                    token.userId,
                    token?.refreshToken || ""
                );

                return {
                    ...token,
                    accessToken,
                    refreshToken: refreshToken || token.refreshToken,
                    expiresAt: Date.now() + 3600 * 1000,
                };
            } catch (error) {
                console.error("Error refreshing token:", error);
                return { ...token, error: "RefreshAccessTokenError" };
            }
        }

        return token;
    },
    // Exposing session
    async session({ session, token }) {
        if (session.user) {
            session.user.id = token.userId;
        }
        session.accessToken = token.accessToken;
        session.refreshToken = token.refreshToken;
        session.error = token.error;
        return session;
    },
},
fringe saddleBOT
#

Let me check the knowledge base for you again. Give me one moment! :books:

#

To address the issue of your refresh token not updating the tokens, let's go through the logic and ensure everything is set up correctly.

Common Issues and Fixes

  1. Ensure refreshTokens Function is Correct:

    • Make sure the refreshTokens function is correctly implemented and returns the new accessToken and refreshToken. This function should call your external API to refresh the tokens.

  2. Check Token Expiry Logic:

    • Verify that the expiresAt logic is correctly determining when the token should be refreshed. The condition Date.now() > token.expiresAt should trigger the refresh process.

  3. Debugging the Refresh Process:

    • Add console logs to check the values of token.expiresAt, Date.now(), and the response from refreshTokens to ensure they are as expected.

  4. Error Handling:

    • Ensure that any errors in the refreshTokens function are properly caught and logged. This will help identify if the issue is with the API call or the logic.

  5. Session Callback:

    • Ensure that the session callback is correctly mapping the updated tokens back to the session object.

Example Code with Debugging

Here's an example with added debugging:

callbacks: {
    async jwt({ token, user }) {
        if (user) {
            token.accessToken = user.accessToken;
            token.refreshToken = user.refreshToken;
            token.userId = user.id;
            token.expiresAt = Date.now() + 3600 * 1000; // 1 hour
        }

        // Debugging: Log token expiry and current time
        console.log("Token expires at:", token.expiresAt);
        console.log("Current time:", Date.now());
#

// Refreshing
if (
token.expiresAt &&
typeof token.expiresAt === "number" &&
Date.now() > token.expiresAt
) {
try {
console.log("Refreshing tokens...");
const { accessToken, refreshToken } = await refreshTokens(
token.userId,
token?.refreshToken || ""
);

            console.log("New access token:", accessToken);
            console.log("New refresh token:", refreshToken);

            return {
                ...token,
                accessToken,
                refreshToken: refreshToken || token.refreshToken,
                expiresAt: Date.now() + 3600 * 1000,
            };
        } catch (error) {
            console.error("Error refreshing token:", error);
            return { ...token, error: "RefreshAccessTokenError" };
        }
    }

    return token;
},
async session({ session, token }) {
    if (session.user) {
        session.user.id = token.userId;
    }
    session.accessToken = token.accessToken;
    session.refreshToken = token.refreshToken;
    session.error = token.error;
    return session;
},

},


### Additional Considerations

- **Network Issues**: Ensure there are no network issues preventing the API call from succeeding.
- **API Response**: Verify that the API is returning the expected response format.
- **Token Storage**: Ensure that the tokens are being stored and retrieved correctly in your application.
#

By following these steps and using the debugging logs, you should be able to identify where the issue lies and ensure that your tokens are being refreshed correctly. If the problem persists, consider checking the API documentation or logs for any additional insights.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: