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Django SAML2 Authentication Made Easy, integrate with SAML2 SSO such as Okta easily

Project description

Author: Fang Li
Version: 1.0.1b1
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This project aim to provide a dead simple way to integrate your Django powered app with SAML2 Authentication. Try it now, and get rid of the complicated configuration of saml.

Any SAML2 based SSO(Single-Sign-On) with dynamic metadata configuration was supported by this django plugin, Such as okta.

Install

You can install this plugin via pip:

# pip install django_saml2_auth

or from source:

# git clone https://github.com/fangli/django-saml2-auth
# cd django-saml2-auth
# python setup.py install

What does this plugin do?

This plugin takes over django’s login page and redirect user to SAML2 SSO authentication service. While a user logged in and redirected back, it will check if this user is already in system. If not, it will create the user using django’s default UserModel, otherwise redirect the user to the last visited page.

How to use?

  1. Override the default login page in root urls.py, by adding these lines BEFORE any urlpatterns:

    # This is the SAML2 related URLs, you can change "^saml2_auth/" to any path you want, like "^sso_auth/", "^sso_login/", etc. (required)
    url(r'^saml2_auth/', include('django_saml2_auth.urls')),
    
    # If you want to replace the default user login with SAML2, just use the following line (optional)
    url(r'^accounts/login/$', 'django_saml2_auth.views.signin'),
    
    # If you want to replace the admin login with SAML2, use the following line (optional)
    url(r'^admin/login/$', 'django_saml2_auth.views.signin'),
    
  2. Add ‘django_saml2_auth’ to INSTALLED_APPS

    INSTALLED_APPS = [
        '...',
        'django_saml2_auth',
    ]
    
  3. In settings.py, add SAML2 related configuration.

    Please note only METADATA_AUTO_CONF_URL is required. The following block just shows the full featured configuration and their default values.

    SAML2_AUTH = {
        'METADATA_AUTO_CONF_URL': '[The auto(dynamic) metadata configuration URL of SAML2]',
        'NEW_USER_PROFILE': {
            'USER_GROUPS': [],  # The default group name when a new user logged in
            'ACTIVE_STATUS': True,  # The default active status of new user
            'STAFF_STATUS': True,  # The staff status of new user
            'SUPERUSER_STATUS': False,  # The superuser status of new user
        },
        'ATTRIBUTES_MAP': {  # Change Email/UserName/FirstName/LastName to corresponding SAML2 userprofile attributes.
            'email': 'Email',
            'username': 'UserName',
            'first_name': 'FirstName',
            'last_name': 'LastName',
        }
    }
    
  4. Well done.

Customize

You are allowed to override the default permission denied page and new user welcome page.

Just put a template named ‘django_saml2_auth/welcome.html’ or ‘django_saml2_auth/denied.html’ under your project’s template folder.

In case of ‘django_saml2_auth/welcome.html’ existed, when a new user logged in, we’ll show this template instead of redirecting user to the previous visited page. So you can have some first-visit notes and welcome words in this page. You can get user context in the template by using user context.

By the way, we have a built-in logout page as well, if you want to use it, just add the following lines into your urls.py, before any urlpatterns:

# If you want to replace the default user logout with plugin built-in page, just use the following line (optional)
url(r'^accounts/logout/$', 'django_saml2_auth.views.signout'),

# If you want to replace the admin logout with SAML2, use the following line (optional)
url(r'^admin/logout/$', 'django_saml2_auth.views.signout'),

In a similar way, you can customize this logout template by added a template ‘django_saml2_auth/signout.html’.

By default, we assume your SAML2 service provided user attribute Email/UserName/FirstName/LastName. Please change it to the correct user attributes mapping.

How to Contribute

  1. Check for open issues or open a fresh issue to start a discussion around a feature idea or a bug.
  2. Fork the repository on GitHub to start making your changes to the master branch (or branch off of it).
  3. Write a test which shows that the bug was fixed or that the feature works as expected.
  4. Send a pull request and bug the maintainer until it gets merged and published. :) Make sure to add yourself to AUTHORS.

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