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Django Cas SSO Client (inherited from django-cas)

Project description

# cas

[![Code Health](https://landscape.io/github/unistra/django-cas/master/landscape.svg?style=flat)](https://landscape.io/github/unistra/django-cas/master)

CAS client for Django. This is K-State's fork of the original, which lives at
https://bitbucket.org/cpcc/django-cas/overview. This fork is actively maintaned and
includes several new features.

Current version: 0.8.5

https://github.com/kstateome/django-cas


## Install


See the document at Bitbucket

https://bitbucket.org/cpcc/django-cas/overview

## Settings.py for CAS

Add the following to middleware if you want to use CAS::

MIDDLEWARE_CLASSES = (
'cas.middleware.CASMiddleware',
)


Add these to ``settings.py`` to use the CAS Backend::


CAS_SERVER_URL = "Your Cas Server"
CAS_LOGOUT_COMPLETELY = True

To disable CAS authentication for the entire django admin app, you should use the ``CAS_ADMIN_AUTH`` parameter::

CAS_ADMIN_AUTH = False


The ``CAS_ADMIN_PREFIX`` is deprecated since version 1.1.4 and will be removed in 1.1.5 release.


# Additional Features

This fork contains additional features not found in the original:
* Proxied Hosts
* CAS Response Callbacks
* CAS Gateway
* Proxy Tickets (From Edmund Crewe)

## Proxied Hosts

You will need to setup middleware to handle the use of proxies.

Add a setting ``PROXY_DOMAIN`` of the domain you want the client to use. Then add

MIDDLEWARE_CLASSES = (
'cas.middleware.ProxyMiddleware',
)

This middleware needs to be added before the django ``common`` middleware.


## CAS Response Callbacks

To store data from CAS, create a callback function that accepts the ElementTree object from the
proxyValidate response. There can be multiple callbacks, and they can live anywhere. Define the
callback(s) in ``settings.py``:

CAS_RESPONSE_CALLBACKS = (
'path.to.module.callbackfunction',
'anotherpath.to.module.callbackfunction2',
)

and create the functions in ``path/to/module.py``:

def callbackfunction(tree):
username = tree[0][0].text

user, user_created = User.objects.get_or_create(username=username)
profile, created = user.get_profile()

profile.email = tree[0][1].text
profile.position = tree[0][2].text
profile.save()


## CAS Gateway

To use the CAS Gateway feature, first enable it in settings. Trying to use it without explicitly
enabling this setting will raise an ImproperlyConfigured:

CAS_GATEWAY = True

Then, add the ``gateway`` decorator to a view:

from cas.decorators import gateway

@gateway()
def foo(request):
#stuff
return render(request, 'foo/bar.html')


## Custom Forbidden Page

To show a custom forbidden page, set ``CAS_CUSTOM_FORBIDDEN`` to a ``path.to.some_view``. Otherwise,
a generic ``HttpResponseForbidden`` will be returned.


## Proxy Tickets

This fork also includes Edmund Crewe's proxy ticket patch:
http://code.google.com/r/edmundcrewe-proxypatch/source/browse/django-cas-proxy.patch

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