jupyterhub-saml-auth 0.3.2

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Jupyterhub SAML Auth

Authenticate your Jupyterhub users using SAML. This authenticator uses OneLogin's python3-saml package as a backend API for handling SAML authentication.

Installation

pip install jupyterhub-saml-auth

Configuration

See the jupyterhub_config.py example configuration below for how to integrate this package with jupyterhub

def extract_username(acs_handler, attributes):
    email = attributes['email'][0]
    username = email.split('@')[0]
    return username

# The configuration path is for OneLogin's python3-saml package. This directory is where
# settings.json & advanced_settings.json go. See https://github.com/onelogin/python3-saml
# for more info about this
c.SAMLAuthenticator.saml_settings_path = '/app/etc'

# The cookies that your IdP uses for maintaining a login session. These will be cleared
# once the user hits 'logout'
c.SAMLAuthenticator.session_cookie_names = {'PHPSESSIDIDP', 'SimpleSAMLAuthTokenIdp'}

# Function that extracts the username from the SAML attributes.
c.SAMLAuthenticator.extract_username = extract_username

# register the SAML authenticator with jupyterhub
c.JupyterHub.authenticator_class = 'jupyterhub_saml_auth.SAMLAuthenticator'

Environment variables

• SAML_HTTPS_OVERRIDE: setting this will override the automatic detection of http or https to /hub/acs route and will set it to only https.

Development

Prerequisite software

• docker
• docker compose
• python3
• Firefox or Chrome

Create a development environment

# at project root
python3 -m venv .
source bin/activate
pip install -r requirements.txt

# OPTIONAL, install package if developing source code
pip install -e .
pytest test/unit # run the unit tests

Test the authentication process

The acceptance test starts the application as a Docker container. Start the containers with docker compose up -d prior to running the acceptance test with the command pytest test/test_acceptance.py. See conftest.py for a list of command line switches/flags to run the acceptance tests.

Kill your docker environment

To kill the docker containers, run the command docker compose down at the project root.

References

https://github.com/onelogin/python3-saml

https://goteleport.com/blog/how-saml-authentication-works/

https://medium.com/@BoweiHan/elijd-single-sign-on-saml-and-single-logout-624efd5a224

https://medium.com/disney-streaming/setup-a-single-sign-on-saml-test-environment-with-docker-and-nodejs-c53fc1a984c9