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# frozen_string_literal: true
require "isolation/abstract_unit"
require "rack/test"
module ApplicationTests
class CookiesTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include Rack::Test::Methods
def new_app
File.expand_path("#{app_path}/../new_app")
end
def setup
build_app
FileUtils.rm_rf("#{app_path}/config/environments")
end
def app
Rails.application
end
def teardown
teardown_app
FileUtils.rm_rf(new_app) if File.directory?(new_app)
end
test "always_write_cookie is true by default in development" do
require "rails"
Rails.env = "development"
require "#{app_path}/config/environment"
assert_equal true, ActionDispatch::Cookies::CookieJar.always_write_cookie
end
test "always_write_cookie is false by default in production" do
require "rails"
Rails.env = "production"
require "#{app_path}/config/environment"
assert_equal false, ActionDispatch::Cookies::CookieJar.always_write_cookie
end
test "always_write_cookie can be overridden" do
add_to_config <<-RUBY
config.action_dispatch.always_write_cookie = false
RUBY
require "rails"
Rails.env = "development"
require "#{app_path}/config/environment"
assert_equal false, ActionDispatch::Cookies::CookieJar.always_write_cookie
end
test "signed cookies with SHA512 digest and rotated out SHA256 and SHA1 digests" 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_raw_cookie_sha1
cookies[:signed_cookie] = TestVerifiers.sha1.generate("signed cookie")
head :ok
end
def write_raw_cookie_sha256
cookies[:signed_cookie] = TestVerifiers.sha256.generate("signed cookie")
head :ok
end
def read_signed
render plain: cookies.signed[:signed_cookie].inspect
end
def read_raw_cookie
render plain: cookies[:signed_cookie]
end
end
RUBY
add_to_config <<-RUBY
sha1_secret = Rails.application.key_generator.generate_key("sha1")
sha256_secret = Rails.application.key_generator.generate_key("sha256")
::TestVerifiers = Class.new do
class_attribute :sha1, default: ActiveSupport::MessageVerifier.new(sha1_secret, digest: "SHA1")
class_attribute :sha256, default: ActiveSupport::MessageVerifier.new(sha256_secret, digest: "SHA256")
end
config.action_dispatch.signed_cookie_digest = "SHA512"
config.action_dispatch.signed_cookie_salt = "sha512 salt"
config.action_dispatch.cookies_rotations.tap do |cookies|
cookies.rotate :signed, sha1_secret, digest: "SHA1"
cookies.rotate :signed, sha256_secret, digest: "SHA256"
end
RUBY
require "#{app_path}/config/environment"
verifier_sha512 = ActiveSupport::MessageVerifier.new(app.key_generator.generate_key("sha512 salt"), digest: :SHA512)
get "/foo/write_raw_cookie_sha1"
get "/foo/read_signed"
assert_equal "signed cookie".inspect, last_response.body
get "/foo/read_raw_cookie"
assert_equal "signed cookie", verifier_sha512.verify(last_response.body, purpose: "cookie.signed_cookie")
get "/foo/write_raw_cookie_sha256"
get "/foo/read_signed"
assert_equal "signed cookie".inspect, last_response.body
get "/foo/read_raw_cookie"
assert_equal "signed cookie", verifier_sha512.verify(last_response.body, purpose: "cookie.signed_cookie")
end
test "encrypted cookies rotating multiple encryption keys" 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_raw_cookie_one
cookies[:encrypted_cookie] = TestEncryptors.first_gcm.encrypt_and_sign("encrypted cookie")
head :ok
end
def write_raw_cookie_two
cookies[:encrypted_cookie] = TestEncryptors.second_gcm.encrypt_and_sign("encrypted cookie")
head :ok
end
def read_encrypted
render plain: cookies.encrypted[:encrypted_cookie].inspect
end
def read_raw_cookie
render plain: cookies[:encrypted_cookie]
end
end
RUBY
add_to_config <<-RUBY
first_secret = Rails.application.key_generator.generate_key("first", 32)
second_secret = Rails.application.key_generator.generate_key("second", 32)
::TestEncryptors = Class.new do
class_attribute :first_gcm, default: ActiveSupport::MessageEncryptor.new(first_secret, cipher: "aes-256-gcm")
class_attribute :second_gcm, default: ActiveSupport::MessageEncryptor.new(second_secret, cipher: "aes-256-gcm")
end
config.action_dispatch.use_authenticated_cookie_encryption = true
config.action_dispatch.encrypted_cookie_cipher = "aes-256-gcm"
config.action_dispatch.authenticated_encrypted_cookie_salt = "salt"
config.action_dispatch.cookies_rotations.tap do |cookies|
cookies.rotate :encrypted, first_secret
cookies.rotate :encrypted, second_secret
end
RUBY
require "#{app_path}/config/environment"
encryptor = ActiveSupport::MessageEncryptor.new(app.key_generator.generate_key("salt", 32), cipher: "aes-256-gcm")
get "/foo/write_raw_cookie_one"
get "/foo/read_encrypted"
assert_equal "encrypted cookie".inspect, last_response.body
get "/foo/read_raw_cookie"
assert_equal "encrypted cookie", encryptor.decrypt_and_verify(last_response.body, purpose: "cookie.encrypted_cookie")
get "/foo/write_raw_cookie_two"
get "/foo/read_encrypted"
assert_equal "encrypted cookie".inspect, last_response.body
get "/foo/read_raw_cookie"
assert_equal "encrypted cookie", encryptor.decrypt_and_verify(last_response.body, purpose: "cookie.encrypted_cookie")
end
end
end
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