diff --git a/lib/orbit_core_lib.rb b/lib/orbit_core_lib.rb
index 918f43f8..615db4c2 100644
--- a/lib/orbit_core_lib.rb
+++ b/lib/orbit_core_lib.rb
@@ -197,37 +197,48 @@ module  OrbitCoreLib
         end
       end
 
+      def skip_authorization(arg = nil)
+        if arg
+          key = arg.shift
+          prepend_before_filter key[0] => key[1] {|f| f.no_authorization}
+        else
+          prepend_before_filter {|f| f.no_authorization}
+        end
+      end
+
     end
 
     module InstanceMethods
       protected
       def can_use
         setup_vars
-        set_current_user
-        if @user_type
-          @user_type.each do |user_type|
-            open = false
-            visitor = false
-            case user_type
-            when :admin
-              open ||= check_admin
-            when :manager
-              open ||= check_manager
-            when :sub_manager
-              open ||= check_sub_manager
-            when :approver
-              open ||= check_sub_manager
-            when :visitor
-              open ||= true
-              visitor ||= true
+        unless @no_authorization
+          if @user_type
+            @user_type.each do |user_type|
+              open = false
+              visitor = false
+              case user_type
+              when :admin
+                open ||= check_admin
+              when :manager
+                open ||= check_manager
+              when :sub_manager
+                open ||= check_sub_manager
+              when :approver
+                open ||= check_sub_manager
+              when :visitor
+                set_current_user
+                open ||= true
+                visitor ||= true
+              end
+              check_backend_openness if visitor
+              authenticate_user! unless visitor
+              redirect_to root_url unless open
             end
-            check_backend_openness if visitor
-            authenticate_user! unless visitor
-            redirect_to root_url unless open
+          else
+            authenticate_user!
+            check_user_can_use
           end
-        else
-          authenticate_user!
-          check_user_can_use
         end
       end
 
@@ -248,10 +259,14 @@ module  OrbitCoreLib
       end
 
       def open_for(var)
-         @user_type ||= []
+        @user_type ||= []
         @user_type << var
       end
 
+      def no_authorization
+        @no_authorization = true
+      end
+
       def check_user_can_use
         unless current_or_guest_user.admin? || @module_app.is_manager?(current_or_guest_user) || @module_app.is_sub_manager?(current_or_guest_user) || @module_app.can_approve?(current_or_guest_user)
           redirect_to root_url
@@ -259,9 +274,8 @@ module  OrbitCoreLib
       end
 
       def setup_vars
-        @app_title ||= controller_path.split('/')[1].singularize
-        @module_app ||= ModuleApp.first(conditions: {:key => @app_title} )
-        # raise ModuleAppError, 'Can not find ModuleApp' if @module_app.nil?
+        @app_title ||= controller_path.split('/')[1].singularize rescue nil
+        @module_app ||= ModuleApp.first(conditions: {:key => @app_title} ) rescue nil
       end
     end
   end