lib/action_controller/metal/rescue.rb
# frozen_string_literal: true module ActionController # :nodoc: # = Action Controller \Rescue # # This module is responsible for providing # {rescue_from}[rdoc-ref:ActiveSupport::Rescuable::ClassMethods#rescue_from] # to controllers, wrapping actions to handle configured errors, and # configuring when detailed exceptions must be shown. module Rescue extend ActiveSupport::Concern include ActiveSupport::Rescuable # Override this method if you want to customize when detailed # exceptions must be shown. This method is only called when # +consider_all_requests_local+ is +false+. By default, it returns # +false+, but someone may set it to <tt>request.local?</tt> so local # requests in production still show the detailed exception pages. def show_detailed_exceptions? false end private def process_action(*) super rescue Exception => exception request.env["action_dispatch.show_detailed_exceptions"] ||= show_detailed_exceptions? rescue_with_handler(exception) || raise end end end