update oxjs params and setUrl, some more user functions

utils/decorators.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+from django.contrib.auth.decorators import user_passes_test
+
+
+def login_required_json(function=None):
+    """
+    Decorator for views that checks that the user is logged in
+    return json error if not logged in.
+    """
+    actual_decorator = user_passes_test(
+        lambda u: u.is_authenticated(),
+        login_url='/json/login',
+    )
+    if function:
+        return actual_decorator(function)
+    return actual_decorator
+