Add a view for GlobalSettings

src/pretix/control/permissions.py

@@ -81,7 +81,7 @@ def organizer_permission_required(permission):
 
 class OrganizerPermissionRequiredMixin:
     """
-    This mixin is equivalent to the event_permission_required view decorator but
+    This mixin is equivalent to the organizer_permission_required view decorator but
     is in a form suitable for class-based views.
     """
     permission = ''
@@ -90,3 +90,33 @@ class OrganizerPermissionRequiredMixin:
     def as_view(cls, **initkwargs):
         view = super(OrganizerPermissionRequiredMixin, cls).as_view(**initkwargs)
         return organizer_permission_required(cls.permission)(view)
+
+
+def administrator_permission_required(permission):
+    """
+    This view decorator rejects all requests with a 403 response which are not from
+    users with the is_superuser flag.
+    """
+    def decorator(function):
+        def wrapper(request, *args, **kw):
+            if not request.user.is_authenticated:  # NOQA
+                # just a double check, should not ever happen
+                raise PermissionDenied()
+            if not request.user.is_superuser:
+                raise PermissionDenied(_('You do not have permission to view this content.'))
+            return function(request, *args, **kw)
+        return wrapper
+    return decorator
+
+
+class AdministratorPermissionRequiredMixin:
+    """
+    This mixin is equivalent to the administrator_permission_required view decorator but
+    is in a form suitable for class-based views.
+    """
+    permission = ''
+
+    @classmethod
+    def as_view(cls, **initkwargs):
+        view = super(AdministratorPermissionRequiredMixin, cls).as_view(**initkwargs)
+        return administrator_permission_required(cls.permission)(view)