module ActionDispatch::Session::Compatibility

def generate_sid
  sid = SecureRandom.hex(16)
  sid.encode!('UTF-8') if sid.respond_to?(:encode!)
  sid
end

def initialize(app, options = {})
  options[:key] ||= '_session_id'
  super
end

def initialize_sid
  @default_options.delete(:sidbits)
  @default_options.delete(:secure_random)
end