class ActionDispatch::Cookies::SignedKeyRotatingCookieJar

def commit(name, options)
  super
  options[:value] = @verifier.generate(options[:value], **cookie_metadata(name, options))
  check_for_overflow!(name, options)
end

def initialize(parent_jar)
  super
  secret = request.key_generator.generate_key(request.signed_cookie_salt)
  @verifier = ActiveSupport::MessageVerifier.new(secret, digest: signed_cookie_digest, serializer: SERIALIZER)
  request.cookies_rotations.signed.each do |(*secrets)|
    options = secrets.extract_options!
    @verifier.rotate(*secrets, serializer: SERIALIZER, **options)
  end
end

def parse(name, signed_message, purpose: nil)
  rotated = false
  data = @verifier.verified(signed_message, purpose: purpose, on_rotation: -> { rotated = true })
  super(name, data, force_reserialize: rotated)
end