how to use JWTTokenUserAuthentication backend experimental feature in djangorestframework-simplejwt

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I am planning to create microservices architecture in Django and Django rest framework. My intent is to have a separate Django project that handles authentication. This project has djangorestframework-simplejwt package which mentions an SSO feature here.

How do I implement this? Should I update the DEFAULT_AUTHENTICATION_CLASSES in both the django projects?

django-rest-framework-simplejwt microservices django-rest-framework single-sign-on django
1 Answers

Update the DEFAULT_AUTHENTICATION_CLASSES to 'rest_framework_simplejwt.authentication.JWTTokenUserAuthentication' in both Django projects. Then your SIMPLE_JWT settings in authentication project should look like this:

SIMPLE_JWT = {
    ...

    'SIGNING_KEY': config('SECRET_KEY'),
    'VERIFYING_KEY': config('SECRET_KEY'),

    ...
}

While the SIMPLE_JWT for your other service should look like this:

SIMPLE_JWT = {
    ...

    'SIGNING_KEY': 'AUTHENTICATION PROJECT SECRET KEY',
    'VERIFYING_KEY': 'AUTHENTICATION PROJECT SECRET KEY',

    ...
}

In my case, I stored the SECRET_KEY as an environment variable.

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