instance method http_basic_authenticate_with

# File actionpack/lib/action_controller/metal/http_authentication.rb, line 112
          def http_basic_authenticate_with(options = {})
            before_filter(options.except(:name, :password, :realm)) do
              authenticate_or_request_with_http_basic(options[:realm] || "Application") do |name, password|
                # This comparison uses & so that it doesn't short circuit and
                # uses `variable_size_secure_compare` so that length information
                # isn't leaked.
                ActiveSupport::SecurityUtils.variable_size_secure_compare(name, options[:name]) &
                  ActiveSupport::SecurityUtils.variable_size_secure_compare(password, options[:password])
              end
            end
          end