module Doorkeeper class Engine < Rails::Engine initializer "doorkeeper.params.filter" do |app| parameters = %w(client_secret code authentication_token access_token refresh_token) app.config.filter_parameters << /^(#{Regexp.union parameters})$/ end initializer "doorkeeper.routes" do Doorkeeper::Rails::Routes.install! end initializer "doorkeeper.helpers" do ActiveSupport.on_load(:action_controller) do include Doorkeeper::Rails::Helpers end end end end