AutoCommit Mon Sep 14 15:54:50 CEST 2015

app/models/ability.rb

@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
+require 'ipaddr'
 class Ability
   include CanCan::Ability
   def initialize(user,request=nil,key=nil)
+    tunet=IPAddr.new("128.131.95.0/24")
+local=IPAddr.new("127.0.0.1")
     loggedin=!(user.nil?)
     unless key.nil?
       k=Key.find_by_uuid(key)
@@ -10,6 +13,9 @@ class Ability
       end
     end
     user ||=  User.new # guest user (not logged in)
+    if  (user.has_role?("fetuser") || user.has_role?("fetadmin") || tunet.include?(IPAddr.new(request.remote_ip)) || local.include?(IPAddr.new(request.remote_ip)))
+    can :infoscreen, User
+    end
 
     if( user.has_role?("fetuser") || user.has_role?("fetadmin"))
       can [:show,:answer, :create,:new, :create_from_template, :flag], Survey::Question