class Addressable::URI

def normalized_user
  return nil unless self.user
  return @normalized_user unless @normalized_user == NONE
  @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::NormalizeCharacterClasses::UNRESERVED
      )
    end
  end
  # All normalized values should be UTF-8
  force_utf8_encoding_if_needed(@normalized_user)
  @normalized_user
end