class method self.new

# File actionpack/lib/action_controller/session/cookie_store.rb, line 59
      def initialize(app, options = {})
        # Process legacy CGI options
        options = options.symbolize_keys
        if options.has_key?(:session_path)
          ActiveSupport::Deprecation.warn "Giving :session_path to SessionStore is deprecated, " <<
            "please use :path instead", caller
          options[:path] = options.delete(:session_path)
        end
        if options.has_key?(:session_key)
          ActiveSupport::Deprecation.warn "Giving :session_key to SessionStore is deprecated, " <<
            "please use :key instead", caller
          options[:key] = options.delete(:session_key)
        end
        if options.has_key?(:session_http_only)
          ActiveSupport::Deprecation.warn "Giving :session_http_only to SessionStore is deprecated, " <<
            "please use :httponly instead", caller
          options[:httponly] = options.delete(:session_http_only)
        end

        @app = app

        # The session_key option is required.
        ensure_session_key(options[:key])
        @key = options.delete(:key).freeze

        # The secret option is required.
        ensure_secret_secure(options[:secret])
        @secret = options.delete(:secret).freeze

        @digest = options.delete(:digest) || 'SHA1'
        @verifier = verifier_for(@secret, @digest)

        @default_options = DEFAULT_OPTIONS.merge(options).freeze

        freeze
      end