New requires_active_login decorator!

mediagoblin/decorators.py

@@ -0,0 +1,44 @@
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 Free Software Foundation, Inc
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from webob import exc
+
+
+def _make_safe(decorator, original):
+    """
+    Copy the function data from the old function to the decorator.
+    """
+    decorator.__name__ = original.__name__
+    decorator.__dict__ = original.__dict__
+    decorator.__doc__ = original.__doc__
+    return decorator
+
+
+def require_active_login(controller):
+    """
+    Require an active login from the user.
+    """
+    def new_controller_func(request, *args, **kwargs):
+        if not request.user or not request.user.get('session') == 'active':
+            # TODO: Indicate to the user that they were redirected
+            # here because an *active* user is required.
+            return exc.HTTPFound(
+                location=request.urlgen("mediagoblin.auth.login"))
+
+        return controller(request, *args, **kwargs)
+
+    return _make_safe(new_controller_func, controller)