You just have to write function per operation that is it: var auth = promised(function(user, data) { var isAdmin = user.role === admin return

You just have to write function per operation that is it: var auth = promised(function(user, data) { var isAdmin = user.role === admin return isAdmin ? render(open("yay.xml"), db.send(data.request)) : render(open("no_permissions.xml"), {}) }) var puser = getUser(data.session) return auth(user, data)