Add support for single-sign on using python-social-auth (with Google/Github OAuth2 and SAML support). Add support for RADIUS as another authentication backend.

awx/sso/views.py

@@ -0,0 +1,85 @@
+# Copyright (c) 2015 Ansible, Inc.
+# All Rights Reserved.
+
+# Python
+import urllib
+
+# Django
+from django.contrib.auth import logout as auth_logout
+from django.core.urlresolvers import reverse
+from django.http import HttpResponse
+from django.utils.timezone import now, utc
+from django.views.generic import View
+from django.views.generic.base import RedirectView
+
+# Django REST Framework
+from rest_framework.renderers import JSONRenderer
+
+# Ansible Tower
+from awx.main.models import AuthToken
+from awx.api.serializers import UserSerializer
+
+
+class BaseRedirectView(RedirectView):
+
+    def get_redirect_url(self, *args, **kwargs):
+        last_path = self.request.COOKIES.get('lastPath', '')
+        last_path = urllib.quote(urllib.unquote(last_path).strip('"'))
+        url = reverse('ui:index')
+        if last_path:
+            return '%s#%s' % (url, last_path)
+        else:
+            return url
+
+sso_error = BaseRedirectView.as_view()
+sso_inactive = BaseRedirectView.as_view()
+
+
+class CompleteView(BaseRedirectView):
+
+    def dispatch(self, request, *args, **kwargs):
+        response = super(CompleteView, self).dispatch(request, *args, **kwargs)
+        if self.request.user and self.request.user.is_authenticated():
+            request_hash = AuthToken.get_request_hash(self.request)
+            try:
+                token = AuthToken.objects.filter(user=request.user,
+                                                 request_hash=request_hash,
+                                                 expires__gt=now())[0]
+                token.refresh()
+            except IndexError:
+                token = AuthToken.objects.create(user=request.user,
+                                                 request_hash=request_hash)
+            request.session['auth_token_key'] = token.key
+            token_key = urllib.quote('"%s"' % token.key)
+            response.set_cookie('token', token_key)
+            token_expires = token.expires.astimezone(utc).strftime('%Y-%m-%dT%H:%M:%S')
+            token_expires = '%s.%03dZ' % (token_expires, token.expires.microsecond / 1000)
+            token_expires = urllib.quote('"%s"' % token_expires)
+            response.set_cookie('token_expires', token_expires)
+            response.set_cookie('userLoggedIn', 'true')
+            current_user = UserSerializer(self.request.user)
+            current_user = JSONRenderer().render(current_user.data)
+            current_user = urllib.quote('%s' % current_user, '')
+            response.set_cookie('current_user', current_user)
+        return response
+
+sso_complete = CompleteView.as_view()
+
+
+class MetadataView(View):
+
+    def get(self, request, *args, **kwargs):
+        from social.apps.django_app.utils import load_backend, load_strategy
+        complete_url = reverse('social:complete', args=('saml', ))
+        saml_backend = load_backend(
+            load_strategy(request),
+            'saml',
+            redirect_uri=complete_url,
+        )
+        metadata, errors = saml_backend.generate_metadata_xml()
+        if not errors:
+            return HttpResponse(content=metadata, content_type='text/xml')
+        else:
+            return HttpResponse(content=str(errors), content_type='text/plain')
+
+saml_metadata = MetadataView.as_view()