File actionpack/lib/action_controller/metal/request_forgery_protection.rb

• rack/session/abstract/id
• action_controller/metal/exceptions
• active_support/security_utils

• MODULE ActionController
• MODULE ActionController::RequestForgeryProtection
• MODULE ActionController::RequestForgeryProtection::ClassMethods
• MODULE ActionController::RequestForgeryProtection::ProtectionMethods
• MODULE ActiveSupport
• MODULE Digest
• CLASS ActionController::RequestForgeryProtection::CookieStore
• CLASS ActionController::RequestForgeryProtection::ProtectionMethods::Exception
• CLASS ActionController::RequestForgeryProtection::ProtectionMethods::NullSession
• CLASS ActionController::RequestForgeryProtection::ProtectionMethods::ResetSession
• CLASS ActionController::RequestForgeryProtection::SessionStore