Скачать или смотреть Resolving HttpOnly Cookie Issues When Using JWT with Angular and Symfony

This guide addresses the common issue of `HttpOnly` cookies not being passed in requests when integrating JWT in Angular applications with Symfony. We provide a step-by-step guide to ensure proper configuration and handling across both frameworks.
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Troubleshooting HttpOnly Cookies in JWT Authentication with Angular and Symfony

Integrating JSON Web Tokens (JWT) for authentication is a common practice in modern web development. However, one challenge many developers face is the handling of HttpOnly cookies. In this post, we will delve into a specific issue regarding the passing of HttpOnly cookies when making requests and provide a comprehensive solution to ensure seamless communication between your Angular frontend and Symfony backend.

The Problem: Missing JWT Refresh Token

Recently, a developer encountered an issue while implementing the markitosgv/JWTRefreshTokenBundle in a Symfony project. They were trying to get a refresh token via an HttpOnly cookie, but when calling the API to refresh the token, they received a [401] Missing JWT Refresh Token error.

Understanding the Scenario

During login, the developer successfully received a JWT token and a Set-Cookie header with the HttpOnly property enabled:

[[See Video to Reveal this Text or Code Snippet]]

However, upon attempting to make a refresh token request in Angular:

[[See Video to Reveal this Text or Code Snippet]]

The request returned a [401] Unauthorized status, indicating that the HttpOnly cookie was not being sent along with the request.

Solution: Properly Setting withCredentials

Key Configuration Changes

To address this issue, it's important to ensure that the correct HTTP options are set in both the initial login request and the refresh token request.

Set withCredentials in Both Requests:
The withCredentials: true option must be included not only in the refresh token request but also in the login request. This allows the browser to include cookies for cross-origin requests, thus solving the issue of the missing refresh token.

Example of Updated Login Request:
Assuming you have a login function in Angular, update it to include withCredentials.

[[See Video to Reveal this Text or Code Snippet]]

Ensure CORS Configuration:
Double-check CORS settings on your Symfony backend. You should have the following headers:

[[See Video to Reveal this Text or Code Snippet]]

Make sure that your backend is correctly configured to allow credentials.

Result: Confirming Success

After these changes, when you make the login request, the HttpOnly cookie should now properly be sent along with any subsequent requests to refresh the token. This ensures that Symfony can access the cookie, and the [401] Missing JWT Refresh Token error should be resolved.

Conclusion

Handling HttpOnly cookies can be tricky, especially when integrating different frameworks like Angular and Symfony. The key takeaway is that withCredentials must be applied to all requests that depend on cookies for authentication. By following the steps outlined in this guide, you should be better equipped to resolve similar issues in your projects.



By ensuring the correct configurations and including withCredentials: true where necessary, you can maintain a secure and functional authentication flow in your applications. If you have any further questions or encounter other issues, feel free to reach out and join the discussion!