How to Handle Authentication in Next.js 13 with NextAuth and Laravel Sanctum

Описание: Learn how to correctly implement `authentication in Next.js 13` using `NextAuth` and `Laravel Sanctum`. This guide provides a detailed walkthrough to manage tokens effectively for your eCommerce application.
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Handling Authentication in Next.js 13 with NextAuth and Laravel Sanctum

When building an eCommerce application with a frontend in Next.js 13 and a backend in Laravel using Sanctum, you may encounter a common issue: how to manage authentication tokens. This guide will guide you through the process of integrating NextAuth.js to handle authentication efficiently while ensuring that your user sessions are managed correctly.

The Challenge

You’ve set up your application with an eCommerce frontend in Next.js 13 using the app directory and a Laravel backend but are unsure how to save the token returned by Laravel Sanctum on the Next.js frontend. This token is crucial for making subsequent GET and POST requests without needing the user to log in repeatedly. Moreover, you're considering whether NextAuth.js could be a good fit for this process.

Solution Overview

After conducting thorough research, we are excited to share a solution that allows you to successfully connect your backend with your frontend for authentication purposes using NextAuth.js. Below, we break down the solution into clear sections, making it easy for you to implement this in your own application.

Setting Up NextAuth with CredentialsProvider

You will need to import NextAuth and CredentialsProvider from next-auth, along with creating an Axios instance. Here’s how to get started:

Install Required Packages:
Make sure you have next-auth and axios installed in your Next.js project.

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Configuration:
Create a file for your authentication options. Below is how to set it up using CredentialsProvider:

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Defining Provider Options:
Set up your authOptions to handle the email and password login scenario:

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Authorize Function Implementation

Within the authorize function, set up the ability to handle cookies and fetch the session keys. Here’s an example implementation:

Make a GET request to fetch the CSRF token.

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Extract the sessionKey and xsrfToken values from the cookies.

Use these values to make the login request:

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Finalizing the Handler

Finally, you need to export the NextAuth handler for your API routes to utilize:

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Conclusion

With this guide, you now have a clear understanding of how to implement authentication in your Next.js 13 application using NextAuth.js and Laravel Sanctum. By carefully managing your sessions and tokens, you can ensure a secure and seamless user experience on your eCommerce platform. If you discover alternative methods or improvements, don't hesitate to share your insights with the community.

Now get started on your project and happy coding!