ActionController::RequestForgeryProtection::ProtectionMethods Ruby on Rails 5.1.2 Module ActionController::RequestForgeryProtection::ProtectionMethods actionpack/lib/action_controller/metal/request_forgery_protection.rb Namespace CLASS ActionController::RequestForgeryProtection::ProtectionMethods::Exception CLASS ActionController::RequestForgeryProtection::ProtectionMethods::NullSession CLASS ActionController::RequestForgeryProtection::ProtectionMethods::ResetSession