From 68b2573e33668a4f391c7cf1924c4183e75906e6 Mon Sep 17 00:00:00 2001 From: Michael Coyne Date: Sun, 12 Nov 2017 15:19:33 -0500 Subject: Update cookie_store_test to use encrypted cookies This now modernizes these tests to use encrypted cookies instead of using secret_token HMACs. This commit also adds a tests to ensure session cookies with :expires_after set are invalidated and no longer accepted when the time has elapsed. --- .../test/dispatch/session/cookie_store_test.rb | 124 ++++++++++++++------- 1 file changed, 83 insertions(+), 41 deletions(-) diff --git a/actionpack/test/dispatch/session/cookie_store_test.rb b/actionpack/test/dispatch/session/cookie_store_test.rb index 2c43a8c29f..7f70961465 100644 --- a/actionpack/test/dispatch/session/cookie_store_test.rb +++ b/actionpack/test/dispatch/session/cookie_store_test.rb @@ -8,11 +8,13 @@ require "active_support/messages/rotation_configuration" class CookieStoreTest < ActionDispatch::IntegrationTest SessionKey = "_myapp_session" SessionSecret = "b3c631c314c0bbca50c1b2843150fe33" - Generator = ActiveSupport::LegacyKeyGenerator.new(SessionSecret) + SessionSalt = "authenticated encrypted cookie" + + Generator = ActiveSupport::KeyGenerator.new(SessionSecret, iterations: 1000) Rotations = ActiveSupport::Messages::RotationConfiguration.new - Verifier = ActiveSupport::MessageVerifier.new(SessionSecret, digest: "SHA1") - SignedBar = Verifier.generate(foo: "bar", session_id: SecureRandom.hex(16)) + Encryptor = ActiveSupport::MessageEncryptor.new \ + Generator.generate_key(SessionSalt, 32), cipher: "aes-256-gcm", serializer: Marshal class TestController < ActionController::Base def no_session_access @@ -25,12 +27,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def set_session_value session[:foo] = "bar" - render plain: Rack::Utils.escape(Verifier.generate(session.to_hash)) - end - - def set_session_value_expires_in_five_hours - session[:foo] = "bar" - render plain: Rack::Utils.escape(Verifier.generate(session.to_hash, expires_in: 5.hours)) + render body: nil end def get_session_value @@ -72,19 +69,35 @@ class CookieStoreTest < ActionDispatch::IntegrationTest end end + def parse_cookie_from_header + cookie_matches = headers["Set-Cookie"].match(/#{SessionKey}=([^;]+)/) + cookie_matches && cookie_matches[1] + end + + def assert_session_cookie(cookie_string, contents) + assert_includes headers["Set-Cookie"], cookie_string + + session_value = parse_cookie_from_header + session_data = Encryptor.decrypt_and_verify(Rack::Utils.unescape(session_value)) rescue nil + + assert_not_nil session_data, "session failed to decrypt" + assert_equal session_data.slice(*contents.keys), contents + end + def test_setting_session_value with_test_route_set do get "/set_session_value" + assert_response :success - assert_equal "_myapp_session=#{response.body}; path=/; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; HttpOnly", "foo" => "bar" end end def test_getting_session_value with_test_route_set do - cookies[SessionKey] = SignedBar + get "/set_session_value" get "/get_session_value" + assert_response :success assert_equal 'foo: "bar"', response.body end @@ -92,8 +105,9 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_getting_session_id with_test_route_set do - cookies[SessionKey] = SignedBar + get "/set_session_value" get "/persistent_session_id" + assert_response :success assert_equal 32, response.body.size session_id = response.body @@ -106,8 +120,12 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_disregards_tampered_sessions with_test_route_set do - cookies[SessionKey] = "BAh7BjoIZm9vIghiYXI%3D--123456780" + encryptor = ActiveSupport::MessageEncryptor.new("A" * 32, cipher: "aes-256-gcm", serializer: Marshal) + + cookies[SessionKey] = encryptor.encrypt_and_sign("foo" => "bar", "session_id" => "abc") + get "/get_session_value" + assert_response :success assert_equal "foo: nil", response.body end @@ -135,19 +153,19 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_does_set_secure_cookies_over_https with_test_route_set(secure: true) do get "/set_session_value", headers: { "HTTPS" => "on" } + assert_response :success - assert_equal "_myapp_session=#{response.body}; path=/; secure; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; secure; HttpOnly", "foo" => "bar" end end # {:foo=>#, :session_id=>"ce8b0752a6ab7c7af3cdb8a80e6b9e46"} - SignedSerializedCookie = "BAh7BzoIZm9vbzodU2Vzc2lvbkF1dG9sb2FkVGVzdDo6Rm9vBjoJQGJhciIIYmF6Og9zZXNzaW9uX2lkIiVjZThiMDc1MmE2YWI3YzdhZjNjZGI4YTgwZTZiOWU0Ng==--2bf3af1ae8bd4e52b9ac2099258ace0c380e601c" + EncryptedSerializedCookie = "9RZ2Fij0qLveUwM4s+CCjGqhpjyUC8jiBIf/AiBr9M3TB8xh2vQZtvSOMfN3uf6oYbbpIDHAcOFIEl69FcW1ozQYeSrCLonYCazoh34ZdYskIQfGwCiSYleVXG1OD9Z4jFqeVArw4Ewm0paOOPLbN1rc6A==--I359v/KWdZ1ok0ey--JFFhuPOY7WUo6tB/eP05Aw==" def test_deserializes_unloaded_classes_on_get_id with_test_route_set do with_autoload_path "session_autoload_test" do - cookies[SessionKey] = SignedSerializedCookie + cookies[SessionKey] = EncryptedSerializedCookie get "/get_session_id" assert_response :success assert_equal "id: ce8b0752a6ab7c7af3cdb8a80e6b9e46", response.body, "should auto-load unloaded class" @@ -158,7 +176,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_deserializes_unloaded_classes_on_get_value with_test_route_set do with_autoload_path "session_autoload_test" do - cookies[SessionKey] = SignedSerializedCookie + cookies[SessionKey] = EncryptedSerializedCookie get "/get_session_value" assert_response :success assert_equal 'foo: #', response.body, "should auto-load unloaded class" @@ -197,8 +215,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest get "/set_session_value" assert_response :success session_payload = response.body - assert_equal "_myapp_session=#{response.body}; path=/; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; HttpOnly", "foo" => "bar" get "/call_reset_session" assert_response :success @@ -216,8 +233,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest with_test_route_set do get "/set_session_value" assert_response :success - assert_equal "_myapp_session=#{response.body}; path=/; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; HttpOnly", "foo" => "bar" get "/get_class_after_reset_session" assert_response :success @@ -239,8 +255,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest with_test_route_set do get "/set_session_value" assert_response :success - assert_equal "_myapp_session=#{response.body}; path=/; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; HttpOnly", "foo" => "bar" get "/call_session_clear" assert_response :success @@ -253,7 +268,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_persistent_session_id with_test_route_set do - cookies[SessionKey] = SignedBar + get "/set_session_value" get "/persistent_session_id" assert_response :success assert_equal 32, response.body.size @@ -268,8 +283,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def test_setting_session_id_to_nil_is_respected with_test_route_set do - cookies[SessionKey] = SignedBar - + get "/set_session_value" get "/get_session_id" sid = response.body assert_equal 36, sid.size @@ -283,31 +297,53 @@ class CookieStoreTest < ActionDispatch::IntegrationTest with_test_route_set(expire_after: 5.hours) do # First request accesses the session time = Time.local(2008, 4, 24) + Time.stub :now, time do expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000") - cookies[SessionKey] = SignedBar + get "/set_session_value" - get "/set_session_value_expires_in_five_hours" assert_response :success - - cookie_body = response.body - assert_equal "_myapp_session=#{cookie_body}; path=/; expires=#{expected_expiry}; HttpOnly", - headers["Set-Cookie"] + assert_session_cookie "path=/; expires=#{expected_expiry}; HttpOnly", "foo" => "bar" end # Second request does not access the session - time = Time.local(2008, 4, 25) + time = time + 3.hours Time.stub :now, time do expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000") - cookies[SessionKey] = SignedBar - get "/no_session_access" + assert_response :success + assert_session_cookie "path=/; expires=#{expected_expiry}; HttpOnly", "foo" => "bar" + end + end + end + + def test_session_store_with_expire_after_does_not_accept_expired_session + with_test_route_set(expire_after: 5.hours) do + # First request accesses the session + time = Time.local(2017, 11, 12) + + Time.stub :now, time do + expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000") - assert_equal "_myapp_session=#{cookies[SessionKey]}; path=/; expires=#{expected_expiry}; HttpOnly", - headers["Set-Cookie"] + get "/set_session_value" + get "/get_session_value" + + assert_response :success + assert_equal 'foo: "bar"', response.body + assert_session_cookie "path=/; expires=#{expected_expiry}; HttpOnly", "foo" => "bar" + end + + # Second request is beyond the expiry time and the session is invalidated + time += 5.hours + 1.minute + + Time.stub :now, time do + get "/get_session_value" + + assert_response :success + assert_equal "foo: nil", response.body end end end @@ -347,8 +383,14 @@ class CookieStoreTest < ActionDispatch::IntegrationTest def get(path, *args) args[0] ||= {} args[0][:headers] ||= {} - args[0][:headers]["action_dispatch.key_generator"] ||= Generator - args[0][:headers]["action_dispatch.cookies_rotations"] ||= Rotations + args[0][:headers].tap do |config| + config["action_dispatch.secret_key_base"] = SessionSecret + config["action_dispatch.authenticated_encrypted_cookie_salt"] = SessionSalt + config["action_dispatch.use_authenticated_cookie_encryption"] = true + + config["action_dispatch.key_generator"] ||= Generator + config["action_dispatch.cookies_rotations"] ||= Rotations + end super(path, *args) end -- cgit v1.2.3