[thirdpart] Add shibboleth

thirdpart/shibboleth/decorators.py

@@ -0,0 +1,23 @@
+"""
+Decorators to use with Shibboleth.
+"""
+from django.conf import settings
+from django.contrib import auth
+from middleware import ShibbolethRemoteUserMiddleware
+
+def login_optional(func):
+  """
+  Decorator to pull Shib attributes and log user in, if possible.  Does not 
+  enforce login.
+  """
+  def decorator(request,*args, **kwargs):
+    #Do nothing if the remoteuser backend isn't activated
+    if 'shibboleth.backends.ShibbolethRemoteUserBackend' not in settings.AUTHENTICATION_BACKENDS:
+        pass
+    else:
+        shib = ShibbolethRemoteUserMiddleware()
+        #Proccess the request with the Shib middlemare, which will log the
+        #user in if we can.
+        proc = shib.process_request(request)
+    return func(request, *args, **kwargs)
+  return decorator