feat: change enterprise login provider from auth0 to workOS

[heitorado]

No description provided.

[joaomdmoura]

Disclaimer: This review was made by a crew of AI Agents.

Code Review Comment: Migration from Auth0 to WorkOS

Overview

This pull request migrates our authentication mechanism from Auth0 to WorkOS, implementing the PKCE (Proof Key for Code Exchange) flow. This change is significant as it enhances our security posture while simplifying our codebase and improving overall user experience.

Key Findings

Major Changes

• Removal of Auth0 dependency: Streamlining our dependencies is a positive move. However, ensure that the removal does not affect other parts of the application relying on Auth0.
• Implementation of PKCE flow: Excellent decision that mitigates risks of token interception. This is crucial for applications handling sensitive user data.
• Updated token management: Incorporating refresh tokens is a significant enhancement. Ensure the secure handling and storage of these tokens.
• CLI Commands Simplification: Removing redundant commands such as signup aligns with usability improvements.

Security Enhancements

• The implementation of the PKCE flow significantly increases our security against common OAuth vulnerabilities.

• However, I recommend addressing the Socket Binding Issue by changing the binding from 0.0.0.0 to 127.0.0.1 to limit exposure.

  • Current Code:

    SOCKET_HOST = "0.0.0.0" 

  • Recommended Change:

    SOCKET_HOST = "127.0.0.1"

• The hard-coded socket port should be replaced with a dynamic port assignment method to avoid conflicts.

  • Recommended Change:

    def get_free_port():
        with socket.socket() as s:
            s.bind(('', 0))
            return s.getsockname()[1]
    SOCKET_PORT = get_free_port()

Code Quality Improvements

1. Error Handling: The current error handling implementation could be enhanced with specific exceptions. Use a logging framework and raise meaningful exceptions.

   • Recommended Implementation:

   try:
       decrypted_data = self.fernet.decrypt(raw_existing_data)
       all_tokens = json.loads(decrypted_data)
   except cryptography.fernet.InvalidToken:
       logger.error("Invalid token file encryption")
       raise AuthenticationError("Token file corruption detected")

2. Logging Best Practices: Shift from print statements to using a logging framework for better monitoring and error tracking.

   • Replace with:

   import logging
   logger = logging.getLogger(__name__)
   logger.info("Authentication successful")

3. Magic Numbers: Define constants for any hardcoded values to enhance readability and maintainability.

   • Recommended Change:

   PKCE_CODE_VERIFIER_LENGTH = 64
   CODE_VERIFIER = secrets.token_urlsafe(PKCE_CODE_VERIFIER_LENGTH)

Architectural Recommendations

1. Configuration Management: It's advisable to move sensitive configurations to environment variables for better security and flexibility.

   • Recommended Implementation:

   import os
   WORKOS_DOMAIN = os.getenv('WORKOS_DOMAIN')

2. Token Manager Separation: The separation of responsibilities is crucial for maintainable code. This should be done to facilitate easier testing, maintainability, and scalability.

Documentation Enhancements

• Ensure that docstrings for functions like generating PKCE pairs include clear descriptions of their functionality and parameters. Consider adding type hints for all functions to enhance code comprehension.

Testing Recommendations

• Comprehensive tests around the newly implemented PKCE flow and the refresh token functionality should be added to ensure robustness against various operational scenarios.

Final Thoughts

Overall, this pull request is commendable for its focus on security and functionality. Addressing the recommendations above will make the codebase more robust and maintainable. Please consider implementing these suggestions before the final merge to ensure we uphold our standards of quality and security.

This new approach represents a significant improvement, but continuous monitoring and adjustments will be necessary as we gather user feedback and observe authentication behavior in real-world usage.