diff options
Diffstat (limited to 'actionpack')
-rw-r--r-- | actionpack/lib/action_controller/metal/request_forgery_protection.rb | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/actionpack/lib/action_controller/metal/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb index 17379cf7ac..cd151f9c4f 100644 --- a/actionpack/lib/action_controller/metal/request_forgery_protection.rb +++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb @@ -50,6 +50,10 @@ module ActionController #:nodoc: config_accessor :request_forgery_protection_token self.request_forgery_protection_token ||= :authenticity_token + # Holds the class which implements the request forgery protection. + config_accessor :forgery_protection_strategy + self.forgery_protection_strategy = nil + # Controls whether request forgery protection is turned on or not. Turned off by default only in test mode. config_accessor :allow_forgery_protection self.allow_forgery_protection = true if allow_forgery_protection.nil? @@ -82,14 +86,14 @@ module ActionController #:nodoc: # * <tt>:reset_session</tt> - Resets the session. # * <tt>:null_session</tt> - Provides an empty session during request but doesn't reset it completely. Used as default if <tt>:with</tt> option is not specified. def protect_from_forgery(options = {}) - include protection_method_module(options[:with] || :null_session) + self.forgery_protection_strategy = protection_method_class(options[:with] || :null_session) self.request_forgery_protection_token ||= :authenticity_token prepend_before_action :verify_authenticity_token, options end private - def protection_method_module(name) + def protection_method_class(name) ActionController::RequestForgeryProtection::ProtectionMethods.const_get(name.to_s.classify) rescue NameError raise ArgumentError, 'Invalid request forgery protection method, use :null_session, :exception, or :reset_session' @@ -97,17 +101,22 @@ module ActionController #:nodoc: end module ProtectionMethods - module NullSession - protected + class NullSession + def initialize(controller) + @controller = controller + end # This is the method that defines the application behavior when a request is found to be unverified. def handle_unverified_request + request = @controller.request request.session = NullSessionHash.new(request.env) request.env['action_dispatch.request.flash_hash'] = nil request.env['rack.session.options'] = { skip: true } request.env['action_dispatch.cookies'] = NullCookieJar.build(request) end + protected + class NullSessionHash < Rack::Session::Abstract::SessionHash #:nodoc: def initialize(env) super(nil, env) @@ -135,16 +144,20 @@ module ActionController #:nodoc: end end - module ResetSession - protected + class ResetSession + def initialize(controller) + @controller = controller + end def handle_unverified_request - reset_session + @controller.reset_session end end - module Exception - protected + class Exception + def initialize(controller) + @controller = controller + end def handle_unverified_request raise ActionController::InvalidAuthenticityToken @@ -153,6 +166,11 @@ module ActionController #:nodoc: end protected + def handle_unverified_request + @forgery_protection ||= forgery_protection_strategy.new(self) + @forgery_protection.handle_unverified_request + end + # The actual before_action that is used. Modify this to change how you handle unverified requests. def verify_authenticity_token unless verified_request? |