class Addressable::URI

def normalized_userinfo
  self.userinfo && @normalized_userinfo ||= (begin
    current_user = self.normalized_user
    current_password = self.normalized_password
    if !current_user && !current_password
      nil
    elsif current_user && current_password
      "#{current_user}:#{current_password}"
    elsif current_user && !current_password
      "#{current_user}"
    end
  end)
end