Question 1

How to implement SRP authentication with Warrant in Python?

Accepted Answer

Import the AWSSRP class from warrant.aws_srp, initialize it with username, password, pool_id, and client_id, then call authenticate_user() method. This automatically handles the SRP protocol challenges and returns tokens upon success.

Question 2

Warrant vs boto3 for AWS Cognito – which should I use?

Accepted Answer

Warrant provides a higher-level, more Pythonic interface for common operations like user registration and token management, reducing boilerplate. Boto3 offers full control over all AWS APIs but requires more code. Choose Warrant for simplicity in standard flows; use boto3 for custom or advanced scenarios.

Question 3

Does Warrant support multi-factor authentication with Cognito?

Accepted Answer

The README does not explicitly mention MFA support. Warrant focuses on basic authentication flows, so for MFA or other advanced features, you may need to extend the library or use boto3 directly to handle those Cognito APIs.

Question 4

How to handle token refresh and validation in Warrant?

Accepted Answer

Use the check_token() method on a Cognito instance with access_token set; it automatically checks expiration and refreshes tokens using the refresh_token if needed. Ensure COGNITO_JWKS is configured for validation in production.

Question 5

Can I use Warrant with Django for user authentication?

Accepted Answer

Yes, there's a separate Django Warrant project mentioned for integration. For custom setups, you can use Warrant's Cognito class in Django views or middleware to handle authentication, user management, and session tokens.

Question 6

What are common pitfalls when using Warrant?

Accepted Answer

Ensure Python version compatibility, properly set environment variables like COGNITO_JWKS, and handle AWS response errors carefully, as Warrant might abstract some error details. Also, be aware of its reliance on AWS Cognito-specific configurations.

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