Added a PAM authentication backend

dashboard/auth.py

@@ -0,0 +1,21 @@
+import pam
+from django.contrib.auth.models import User, Group
+
+class PAMBackend:
+    def authenticate(self, username=None, password=None):
+        if pam.authenticate(username, password, service='login'):
+            try:
+                return User.objects.get(username=username)
+            except User.DoesNotExist:
+                # Create new django user
+                user = User(username=username)
+                user.set_password(password)
+                user.save()
+                user.groups.add(Group.objects.get(name='Users'))
+                return user
+        return None
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None

settings.py

@@ -78,6 +78,11 @@ MIDDLEWARE_CLASSES = (
 ROOT_URLCONF = 'codereview.urls'
 LOGIN_URL = '/dashboard/login/'
 
+AUTHENTICATION_BACKENDS = (
+    'django.contrib.auth.backends.ModelBackend',
+    'codereview.dashboard.auth.PAMBackend',
+)
+
 TEMPLATE_DIRS = (
     # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
     # Always use forward slashes, even on Windows.