class Addressable::URI

def normalized_password
  return nil unless self.password
  return @normalized_password if defined?(@normalized_password)
  @normalized_password ||= begin
    if self.normalized_scheme =~ /https?/ && self.password.strip.empty? &&
        (!self.user || self.user.strip.empty?)
      nil
    else
      Addressable::URI.normalize_component(
        self.password.strip,
        Addressable::URI::CharacterClasses::UNRESERVED
      )
    end
  end
  # All normalized values should be UTF-8
  if @normalized_password
    @normalized_password.force_encoding(Encoding::UTF_8)
  end
  @normalized_password
end