log strong param failures.rb

module ActionController
  class Parameters
    private

    def unpermitted_parameters!(params)
      unpermitted_keys = unpermitted_keys(params)
      if unpermitted_keys.any?
        case self.class.action_on_unpermitted_parameters
        when :log
          name = "unpermitted_parameters.action_controller"
          ::ActiveSupport::Notifications.instrument(
            name,
            keys: unpermitted_keys,
            action: self["action"],
            controller: self["controller"],
          )
        when :raise
          raise ::ActionController::UnpermittedParameters.new(unpermitted_keys)
        end
      end
    end
  end
end

::ActionController::Parameters.action_on_unpermitted_parameters = :log

::ActiveSupport::Notifications.subscribe "unpermitted_parameters.action_controller" do |*args|
  event = ::ActiveSupport::Notifications::Event.new(*args)
  unless Rails.env.test? do
    ::Logger.info(
      event: "UNPERMITTED_PARAMETERS",
      action: event.payload[:action],
      controller: event.payload[:controller],
      keys: event.payload[:keys],
    )
  end
end