require 'isolation/abstract_unit' require 'rack/test' module ApplicationTests class MiddlewareSessionTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods def setup build_app boot_rails FileUtils.rm_rf "#{app_path}/config/environments" end def teardown teardown_app end def app @app ||= Rails.application end test "config.force_ssl sets cookie to secure only" do add_to_config "config.force_ssl = true" require "#{app_path}/config/environment" assert app.config.session_options[:secure], "Expected session to be marked as secure" end test "session is not loaded if it's not used" do make_basic_app class ::OmgController < ActionController::Base def index if params[:flash] flash[:notice] = "notice" end head :ok end end get "/?flash=true" get "/" assert last_request.env["HTTP_COOKIE"] assert !last_response.headers["Set-Cookie"] end test "session is empty and isn't saved on unverified request when using :null_session protect method" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' post ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base protect_from_forgery with: :null_session def write_session session[:foo] = 1 head :ok end def read_session render text: session[:foo].inspect end end RUBY add_to_config <<-RUBY config.action_controller.allow_forgery_protection = true RUBY require "#{app_path}/config/environment" get '/foo/write_session' get '/foo/read_session' assert_equal '1', last_response.body post '/foo/read_session' # Read session using POST request without CSRF token assert_equal 'nil', last_response.body # Stored value shouldn't be accessible post '/foo/write_session' # Write session using POST request without CSRF token get '/foo/read_session' # Session shouldn't be changed assert_equal '1', last_response.body end test "cookie jar is empty and isn't saved on unverified request when using :null_session protect method" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' post ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base protect_from_forgery with: :null_session def write_cookie cookies[:foo] = '1' head :ok end def read_cookie render text: cookies[:foo].inspect end end RUBY add_to_config <<-RUBY config.action_controller.allow_forgery_protection = true RUBY require "#{app_path}/config/environment" get '/foo/write_cookie' get '/foo/read_cookie' assert_equal '"1"', last_response.body post '/foo/read_cookie' # Read cookie using POST request without CSRF token assert_equal 'nil', last_response.body # Stored value shouldn't be accessible post '/foo/write_cookie' # Write cookie using POST request without CSRF token get '/foo/read_cookie' # Cookie shouldn't be changed assert_equal '"1"', last_response.body end test "session using encrypted cookie store" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base def write_session session[:foo] = 1 head :ok end def read_session render text: session[:foo] end def read_encrypted_cookie render text: cookies.encrypted[:_myapp_session]['foo'] end def read_raw_cookie render text: cookies[:_myapp_session] end end RUBY require "#{app_path}/config/environment" get '/foo/write_session' get '/foo/read_session' assert_equal '1', last_response.body get '/foo/read_encrypted_cookie' assert_equal '1', last_response.body secret = app.key_generator.generate_key('encrypted cookie') sign_secret = app.key_generator.generate_key('signed encrypted cookie') encryptor = ActiveSupport::MessageEncryptor.new(secret, sign_secret) get '/foo/read_raw_cookie' assert_equal 1, encryptor.decrypt_and_verify(last_response.body)['foo'] end test "session upgrading signature to encryption cookie store works the same way as encrypted cookie store" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base def write_session session[:foo] = 1 head :ok end def read_session render text: session[:foo] end def read_encrypted_cookie render text: cookies.encrypted[:_myapp_session]['foo'] end def read_raw_cookie render text: cookies[:_myapp_session] end end RUBY add_to_config <<-RUBY secrets.secret_token = "3b7cd727ee24e8444053437c36cc66c4" RUBY require "#{app_path}/config/environment" get '/foo/write_session' get '/foo/read_session' assert_equal '1', last_response.body get '/foo/read_encrypted_cookie' assert_equal '1', last_response.body secret = app.key_generator.generate_key('encrypted cookie') sign_secret = app.key_generator.generate_key('signed encrypted cookie') encryptor = ActiveSupport::MessageEncryptor.new(secret, sign_secret) get '/foo/read_raw_cookie' assert_equal 1, encryptor.decrypt_and_verify(last_response.body)['foo'] end test "session upgrading signature to encryption cookie store upgrades session to encrypted mode" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base def write_raw_session # {"session_id"=>"1965d95720fffc123941bdfb7d2e6870", "foo"=>1} cookies[:_myapp_session] = "BAh7B0kiD3Nlc3Npb25faWQGOgZFRkkiJTE5NjVkOTU3MjBmZmZjMTIzOTQxYmRmYjdkMmU2ODcwBjsAVEkiCGZvbwY7AEZpBg==--315fb9931921a87ae7421aec96382f0294119749" head :ok end def write_session session[:foo] = session[:foo] + 1 head :ok end def read_session render text: session[:foo] end def read_encrypted_cookie render text: cookies.encrypted[:_myapp_session]['foo'] end def read_raw_cookie render text: cookies[:_myapp_session] end end RUBY add_to_config <<-RUBY secrets.secret_token = "3b7cd727ee24e8444053437c36cc66c4" RUBY require "#{app_path}/config/environment" get '/foo/write_raw_session' get '/foo/read_session' assert_equal '1', last_response.body get '/foo/write_session' get '/foo/read_session' assert_equal '2', last_response.body get '/foo/read_encrypted_cookie' assert_equal '2', last_response.body secret = app.key_generator.generate_key('encrypted cookie') sign_secret = app.key_generator.generate_key('signed encrypted cookie') encryptor = ActiveSupport::MessageEncryptor.new(secret, sign_secret) get '/foo/read_raw_cookie' assert_equal 2, encryptor.decrypt_and_verify(last_response.body)['foo'] end test "session upgrading legacy signed cookies to new signed cookies" do app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get ':controller(/:action)' end RUBY controller :foo, <<-RUBY class FooController < ActionController::Base def write_raw_session # {"session_id"=>"1965d95720fffc123941bdfb7d2e6870", "foo"=>1} cookies[:_myapp_session] = "BAh7B0kiD3Nlc3Npb25faWQGOgZFRkkiJTE5NjVkOTU3MjBmZmZjMTIzOTQxYmRmYjdkMmU2ODcwBjsAVEkiCGZvbwY7AEZpBg==--315fb9931921a87ae7421aec96382f0294119749" head :ok end def write_session session[:foo] = session[:foo] + 1 head :ok end def read_session render text: session[:foo] end def read_signed_cookie render text: cookies.signed[:_myapp_session]['foo'] end def read_raw_cookie render text: cookies[:_myapp_session] end end RUBY add_to_config <<-RUBY secrets.secret_token = "3b7cd727ee24e8444053437c36cc66c4" secrets.secret_key_base = nil RUBY require "#{app_path}/config/environment" get '/foo/write_raw_session' get '/foo/read_session' assert_equal '1', last_response.body get '/foo/write_session' get '/foo/read_session' assert_equal '2', last_response.body get '/foo/read_signed_cookie' assert_equal '2', last_response.body verifier = ActiveSupport::MessageVerifier.new(app.secrets.secret_token) get '/foo/read_raw_cookie' assert_equal 2, verifier.verify(last_response.body)['foo'] end end end