Configuration Overview

This setup connects a Next.js application using the app router with a Django backend, leveraging Clerk for user authentication. The goal is to ensure that user sessions remain valid and API calls continue to function seamlessly, even after periods of inactivity.

Problem Statement

When a user remains on a page for over two minutes, the session token may expire, leading to failed API requests and breaking functionality such as periodic polling. The error message indicates that the JWT token has expired, which can disrupt user experience.

Solution Steps

  1. Token Refresh Mechanism: Implement a method to refresh the JWT token before it expires. This can be done by setting up a periodic check or using Clerk's built-in token refresh capabilities.
  2. Middleware Configuration: Ensure that the ClerkMiddleware is properly configured to handle token refreshes and log any issues for debugging.
  3. Debugging: Enable debug mode in your middleware to capture logs that can help diagnose issues related to token expiration.

Example Middleware Configuration

# Django settings.py
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'clerk.middleware.ClerkMiddleware',  # Ensure Clerk middleware is included
]

Debugging Logs

To enable debugging, set the following options in your Clerk middleware:

# Clerk Middleware settings
CLERK_OPTIONS = {
    'debug': True,
    'apiUrl': 'https://api.clerk.com',
    'apiVersion': 'v1',
    'secretKey': 'sk_test_*********5b2',
}

Conclusion

By implementing a token refresh strategy and ensuring proper middleware configuration, you can maintain user sessions and prevent disruptions in API calls due to token expiration.