Allow to register helpers and settings without controllers

lib/padrino/warden.rb

@@ -8,7 +8,7 @@
 
 module Padrino
   module Warden
-    def self.registered(app)
+    def self.registered(app, register_controller = true)
       # Enable Sessions
       app.set :sessions, true unless app.sessions
       app.set :auth_failure_path, '/'
@@ -41,7 +41,9 @@ def self.registered(app)
         app.warden_config manager
       end
 
-      Controller.registered app
+      if register_controller
+        Controller.registered app
+      end
       app.helpers Helpers
     end
   end

lib/padrino/warden/controller.rb

@@ -25,7 +25,7 @@ def self.registered(app)
           post :login , map: app.auth_login_path do
             authenticate
             flash[:success] = settings.auth_success_message if flash
-            redirect settings.auth_use_referrer && session[:return_to] ? session.delete(:return_to) : 
+            redirect settings.auth_use_referrer && session[:return_to] ? session.delete(:return_to) :
               settings.auth_success_path
           end
 

lib/padrino/warden/helpers.rb

@@ -51,6 +51,11 @@ def user=(new_user, opts={})
         warden.set_user(new_user, opts)
       end
       alias_method :current_user=, :user=
+
+      # Register the helpers directly without the controller (useful for MultiApp environments)
+      def self.registered(app)
+        Padrino::Warden.registered(app, false)
+      end
     end # helpers
   end # Warden
 end # Padrino