class Addressable::URI

def normalized_user
  self.user && @normalized_user ||= (begin
    if normalized_scheme =~ /https?/ && self.user.strip.empty? &&
        (!self.password || self.password.strip.empty?)
      nil
    else
      Addressable::URI.normalize_component(
        self.user.strip,
        Addressable::URI::CharacterClasses::UNRESERVED
      )
    end
  end)
end