in prevision for django-1.7, rename our local auth module into localauth to avoid...

[myslice.git] / localauth / manifoldbackend.py

diff --git a/localauth/manifoldbackend.py b/localauth/manifoldbackend.py
new file mode 100644 (file)
index 0000000..9c19c9b
--- /dev/null
+++ b/localauth/manifoldbackend.py
@@ -0,0 +1,83 @@
+import time
+
+from django.contrib.auth.models import User
+
+from manifoldapi.manifoldapi    import ManifoldAPI, ManifoldException, ManifoldResult
+from manifold.core.query        import Query
+
+from myslice.settings import config, logger, DEBUG
+
+# Name my backend 'ManifoldBackend'
+class ManifoldBackend:
+
+    # Create an authentication method
+    # This is called by the standard Django login procedure
+    def authenticate(self, token=None):
+        if not token:
+            return None
+        
+        person = {}
+
+        try:
+            username = token['username']
+            password = token['password']
+            request = token['request']
+
+            auth = {'AuthMethod': 'password', 'Username': username, 'AuthString': password}
+            api = ManifoldAPI(auth)
+            sessions_result = api.forward(Query.create('local:session').to_dict())
+            sessions = sessions_result.ok_value()
+            if not sessions:
+                logger.error("GetSession failed: {}".format(sessions_result.error()))
+                return
+            session = sessions[0]
+            logger.debug("SESSION : {}".format(session))
+            
+            # Change to session authentication
+            api.auth = {'AuthMethod': 'session', 'session': session['session']}
+            self.api = api
+
+            # Get account details
+            # the new API would expect Get('local:user') instead
+            persons_result = api.forward(Query.get('local:user').to_dict())
+            persons = persons_result.ok_value()
+            if not persons:
+                logger.error("GetPersons failed: {}".format(persons_result.error()))
+                return
+            person = persons[0]
+            logger.debug("PERSON : {}".format(person))
+            #logger.info("{} {} <{}> logged in"\
+            #    .format(person['config']['first_name'], person['config']['last_name'], person['config']['email']))
+
+            request.session['manifold'] = {'auth': api.auth, 'person': person, 'expires': session['expires']}
+        except ManifoldException as e:
+            logger.error("ManifoldException in Auth Backend: {}".format(e.manifold_result))
+        except Exception as e:
+            logger.error("Exception in Manifold Auth Backend: {}".format(e))
+            import traceback
+            traceback.print_exc()
+            return None
+
+        try:
+            # Check if the user exists in Django's local database
+            user = User.objects.get(username=username)
+        except User.DoesNotExist:
+            # Create a user in Django's local database
+            user = User.objects.create_user(username, username, 'passworddoesntmatter')
+            user.email = person['email']
+
+        if 'firstname' in person:
+            user.first_name = person['firstname']
+        if 'lastname' in person:
+            user.last_name = person['lastname']
+
+        return user
+
+    # Required for your backend to work properly - unchanged in most scenarios
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None
+
+