build interface to work with object auth. Go to panel/new_blog/back_end/posts/ ,click New Auth link

config/routes.rb

@@ -13,8 +13,11 @@ PrototypeR4::Application.routes.draw do
     resources :assets
     resources :app_auths 
     resources :object_auths  do
+      collection do
+        match 'new/:type/:obj_id',:action => 'new',:via => "get",:as => :init
+      end
       member do
-        match ':id/create_role',:action => 'create_role',:iia => "post",:as => :create_role
+        match ':id/create_role',:action => 'create_role',:via => "post",:as => :create_role
         match 'remove/:type/:target_id' ,:action=> 'remove_role',:via => "delete",:as =>:remove
       end
     end