# File lib/action_controller/request_forgery_protection.rb, line 67
      def protect_from_forgery(options = {})
        self.request_forgery_protection_token ||= :authenticity_token
        before_filter :verify_authenticity_token, :only => options.delete(:only), :except => options.delete(:except)
        if options[:secret] || options[:digest]
          ActiveSupport::Deprecation.warn("protect_from_forgery only takes :only and :except options now. :digest and :secret have no effect", caller)
        end
      end