# frozen_string_literal: true require "erb" require "action_dispatch/http/request" require "active_support/actionable_error" module ActionDispatch class ActionableExceptions # :nodoc: cattr_accessor :endpoint, default: "/rails/actions" def initialize(app) @app = app end def call(env) request = ActionDispatch::Request.new(env) return @app.call(env) unless actionable_request?(request) ActiveSupport::ActionableError.dispatch(request.params[:error].to_s.safe_constantize, request.params[:action]) redirect_to request.params[:location] end private def actionable_request?(request) request.show_exceptions? && request.post? && request.path == endpoint end def redirect_to(location) body = "You are being redirected." [302, { "Content-Type" => "text/html; charset=#{Response.default_charset}", "Content-Length" => body.bytesize.to_s, "Location" => location, }, [body]] end end end