require 'abstract_unit' require 'digest/sha1' require 'active_support/core_ext/string/strip' # common controller actions module RequestForgeryProtectionActions def index render :inline => "<%= form_tag('/') {} %>" end def show_button render :inline => "<%= button_to('New', '/') {} %>" end def unsafe render :text => 'pwn' end def meta render :inline => "<%= csrf_meta_tags %>" end def rescue_action(e) raise e end end # sample controllers class RequestForgeryProtectionController < ActionController::Base include RequestForgeryProtectionActions protect_from_forgery :only => %w(index meta) end class FreeCookieController < RequestForgeryProtectionController self.allow_forgery_protection = false def index render :inline => "<%= form_tag('/') {} %>" end def show_button render :inline => "<%= button_to('New', '/') {} %>" end end class CustomAuthenticityParamController < RequestForgeryProtectionController def form_authenticity_param 'foobar' end end # common test methods module RequestForgeryProtectionTests def teardown ActionController::Base.request_forgery_protection_token = nil end def test_should_render_form_with_token_tag get :index assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token end def test_should_render_button_to_with_token_tag get :show_button assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token end def test_should_allow_get get :index assert_response :success end def test_should_allow_post_without_token_on_unsafe_action post :unsafe assert_response :success end def test_should_not_allow_html_post_without_token @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s assert_raise(ActionController::InvalidAuthenticityToken) { post :index, :format => :html } end def test_should_not_allow_html_put_without_token @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s assert_raise(ActionController::InvalidAuthenticityToken) { put :index, :format => :html } end def test_should_not_allow_html_delete_without_token @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s assert_raise(ActionController::InvalidAuthenticityToken) { delete :index, :format => :html } end def test_should_allow_api_formatted_post_without_token assert_nothing_raised do post :index, :format => 'xml' end end def test_should_not_allow_api_formatted_put_without_token assert_nothing_raised do put :index, :format => 'xml' end end def test_should_allow_api_formatted_delete_without_token assert_nothing_raised do delete :index, :format => 'xml' end end def test_should_not_allow_api_formatted_post_sent_as_url_encoded_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s post :index, :format => 'xml' end end def test_should_not_allow_api_formatted_put_sent_as_url_encoded_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s put :index, :format => 'xml' end end def test_should_not_allow_api_formatted_delete_sent_as_url_encoded_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s delete :index, :format => 'xml' end end def test_should_not_allow_api_formatted_post_sent_as_multipart_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::MULTIPART_FORM.to_s post :index, :format => 'xml' end end def test_should_not_allow_api_formatted_put_sent_as_multipart_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::MULTIPART_FORM.to_s put :index, :format => 'xml' end end def test_should_not_allow_api_formatted_delete_sent_as_multipart_form_without_token assert_raise(ActionController::InvalidAuthenticityToken) do @request.env['CONTENT_TYPE'] = Mime::MULTIPART_FORM.to_s delete :index, :format => 'xml' end end def test_should_allow_xhr_post_without_token assert_nothing_raised { xhr :post, :index } end def test_should_allow_xhr_put_without_token assert_nothing_raised { xhr :put, :index } end def test_should_allow_xhr_delete_without_token assert_nothing_raised { xhr :delete, :index } end def test_should_allow_xhr_post_with_encoded_form_content_type_without_token @request.env['CONTENT_TYPE'] = Mime::URL_ENCODED_FORM.to_s assert_nothing_raised { xhr :post, :index } end def test_should_allow_post_with_token post :index, :authenticity_token => @token assert_response :success end def test_should_allow_put_with_token put :index, :authenticity_token => @token assert_response :success end def test_should_allow_delete_with_token delete :index, :authenticity_token => @token assert_response :success end def test_should_allow_post_with_xml @request.env['CONTENT_TYPE'] = Mime::XML.to_s post :index, :format => 'xml' assert_response :success end def test_should_allow_put_with_xml @request.env['CONTENT_TYPE'] = Mime::XML.to_s put :index, :format => 'xml' assert_response :success end def test_should_allow_delete_with_xml @request.env['CONTENT_TYPE'] = Mime::XML.to_s delete :index, :format => 'xml' assert_response :success end end # OK let's get our test on class RequestForgeryProtectionControllerTest < ActionController::TestCase include RequestForgeryProtectionTests def setup @controller = RequestForgeryProtectionController.new @request = ActionController::TestRequest.new @request.format = :html @response = ActionController::TestResponse.new @token = "cf50faa3fe97702ca1ae" ActiveSupport::SecureRandom.stubs(:base64).returns(@token) ActionController::Base.request_forgery_protection_token = :authenticity_token end test 'should emit a csrf-token meta tag' do ActiveSupport::SecureRandom.stubs(:base64).returns(@token + '<=?') get :meta assert_equal <<-METAS.strip_heredoc, @response.body METAS end end class FreeCookieControllerTest < ActionController::TestCase def setup @controller = FreeCookieController.new @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new @token = "cf50faa3fe97702ca1ae" ActiveSupport::SecureRandom.stubs(:base64).returns(@token) end def test_should_not_render_form_with_token_tag get :index assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token, false end def test_should_not_render_button_to_with_token_tag get :show_button assert_select 'form>div>input[name=?][value=?]', 'authenticity_token', @token, false end def test_should_allow_all_methods_without_token [:post, :put, :delete].each do |method| assert_nothing_raised { send(method, :index)} end end test 'should not emit a csrf-token meta tag' do get :meta assert_blank @response.body end end class CustomAuthenticityParamControllerTest < ActionController::TestCase def setup ActionController::Base.request_forgery_protection_token = :authenticity_token end def test_should_allow_custom_token post :index, :authenticity_token => 'foobar' assert_response :ok end end