app/controllers/application_controller.rb
# Functionality for all controllers:
# * forgery protection
# * default not_authenticated action
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
def not_authenticated
redirect_to login_url, alert: 'First login to access this page.'
end
end