Middleware for using Shibboleth with Django. Requires Django 1.3 or above for RemoteAuthMiddleware.
- shibboleth-sp service installed on your system
- shibboleth module enabled or compiled on your web server
- Django >= 1.8 for version > 0.6 or Django > 1.3 for version <= 0.6
Either checkout and run
python setup.py installor install directly from GitHub usingpip:pip install git+https://github.com/Brown-University-Library/django-shibboleth-remoteuser.git
- In
settings.py:Enable the RemoteUserBackend.
AUTHENTICATION_BACKENDS += ( 'shibboleth.backends.ShibbolethRemoteUserBackend', )
Add the Django Shibboleth middleware. You must add
django.contrib.auth.middleware.ShibbolethRemoteUserMiddlewareto theMIDDLEWARE_CLASSESsetting afterdjango.contrib.auth.middleware.AuthenticationMiddleware. For example:MIDDLEWARE_CLASSES = ( ... 'django.contrib.auth.middleware.AuthenticationMiddleware', 'shibboleth.middleware.ShibbolethRemoteUserMiddleware', ... )
Map Shibboleth attributes to Django User models. The attributes must be stated in the form they have in the HTTP headers. Use this to populate the Django User object from Shibboleth attributes.
The first element of the tuple states if the attribute is required or not. If a required element is not found in the parsed Shibboleth headers, an exception will be raised. For example,
(True, "required_attribute"),(False, "optional_attribute).SHIBBOLETH_ATTRIBUTE_MAP = { "shib-user": (True, "username"), "shib-given-name": (True, "first_name"), "shib-sn": (True, "last_name"), "shib-mail": (False, "email"), }
Set the
LOGIN_URLto the login handler of your Shibboleth installation. In most cases, this will be something like:LOGIN_URL = 'https://your_domain.edu/Shibboleth.sso/Login'
Apache configuration - make sure the Shibboleth attributes are available to the app. The app url doesn't need to require Shibboleth.
<Location /app> AuthType shibboleth Require shibboleth </Location>
If you would like to verify that everything is configured correctly, follow the next two steps below. It will create a route in your application at /yourapp/shib/ that echos the attributes obtained from Shibboleth. If you see the attributes you mapped above on the screen, all is good.
Add shibboleth to installed apps.
INSTALLED_APPS += ( 'shibboleth', )
Add below to
urls.pyto enable the included sample view. This view just echos back the parsed user attributes, which can be helpful for testing.urlpatterns += [ url(r'^shib/', include('shibboleth.urls', namespace='shibboleth')), ]
At this point, the django-shibboleth-remoteuser middleware should be complete.
Template tags are included which will allow you to place {{ login_link }} or {{ logout_link }} in your templates for routing users to the login or logout page. These are available as a convenience and are not required. To activate, add the following to settings.py:
TEMPLATES = [
{
...
'OPTIONS': {
'context_processors': [
...
'shibboleth.context_processors.login_link',
'shibboleth.context_processors.logout_link',
...
],
},
...
},
]It is possible to map a list of attributes to Django permission groups. django-shibboleth-remoteuser will generate the groups from the semicolon-separated values of these attributes. They will be available in the Django admin interface and you can assign your application permissions to them.
SHIBBOLETH_GROUP_ATTRIBUTES = ['Shibboleth-affiliation', 'Shibboleth-isMemberOf']By default this value is empty and will not affect your group settings. But when you add attributes to SHIBBOLETH_GROUP_ATTRIBUTES the user will only associated with those groups. Be aware that the user will be removed from groups not defined in SHIBBOLETH_GROUP_ATTRIBUTES, if you enable this setting. Some installations may create a lot of groups. You may check your group attributes at https://your_domain.edu/Shibboleth.sso/Session before activating this feature.
Fields identified in SHIBBOLETH_GROUP_ATTRIBUTES can be a string of group names with a delimiter. By default the delimiter is ;, but this can be overridden to be one or many delimiters using the SHIBBOLETH_GROUP_DELIMITERS setting.
- For example, given:
SHIBBOLETH_GROUP_ATTRIBUTES = ['Shibboleth-isMemberOf']- request headers includes:
Shibboleth-isMemberOf: 'users;admins,managers'
| SHIBBOLETH_GROUP_DELIMITERS | Parsed Groups |
|---|---|
| default | users and admins,managers |
[','] |
users;admins and managers |
[',', ';'] |
users, admins, and managers |
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