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rails--rails/railties/test/secrets_test.rb

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# frozen_string_literal: true
require "isolation/abstract_unit"
require "rails/secrets"
class Rails::SecretsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
setup :build_app
teardown :teardown_app
test "setting read to false skips parsing" do
run_secrets_generator do
Rails::Secrets.write(<<-end_of_secrets)
production:
yeah_yeah: lets-walk-in-the-cool-evening-light
end_of_secrets
add_to_env_config("production", "config.read_encrypted_secrets = false")
app("production")
assert_not Rails.application.secrets.yeah_yeah
end
end
test "raises when reading secrets without a key" do
run_secrets_generator do
FileUtils.rm("config/secrets.yml.key")
assert_raises Rails::Secrets::MissingKeyError do
Rails::Secrets.key
end
end
end
test "reading with ENV variable" do
run_secrets_generator do
old_key = ENV["RAILS_MASTER_KEY"]
ENV["RAILS_MASTER_KEY"] = IO.binread("config/secrets.yml.key").strip
FileUtils.rm("config/secrets.yml.key")
assert_match "# production:\n# external_api_key:", Rails::Secrets.read
ensure
ENV["RAILS_MASTER_KEY"] = old_key
end
end
test "reading from key file" do
run_secrets_generator do
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File.binwrite("config/secrets.yml.key", "00112233445566778899aabbccddeeff")
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assert_equal "00112233445566778899aabbccddeeff", Rails::Secrets.key
end
end
test "editing" do
run_secrets_generator do
decrypted_path = nil
Rails::Secrets.read_for_editing do |tmp_path|
decrypted_path = tmp_path
assert_match(/# production:\n# external_api_key/, File.read(tmp_path))
File.write(tmp_path, "Empty streets, empty nights. The Downtown Lights.")
end
assert_not File.exist?(decrypted_path)
assert_equal "Empty streets, empty nights. The Downtown Lights.", Rails::Secrets.read
end
end
test "merging secrets with encrypted precedence" do
run_secrets_generator do
File.write("config/secrets.yml", <<-end_of_secrets)
production:
yeah_yeah: lets-go-walking-down-this-empty-street
end_of_secrets
Rails::Secrets.write(<<-end_of_secrets)
production:
yeah_yeah: lets-walk-in-the-cool-evening-light
end_of_secrets
add_to_env_config("production", "config.read_encrypted_secrets = true")
app("production")
assert_equal "lets-walk-in-the-cool-evening-light", Rails.application.secrets.yeah_yeah
end
end
test "refer secrets inside env config" do
run_secrets_generator do
Rails::Secrets.write(<<-end_of_yaml)
production:
some_secret: yeah yeah
end_of_yaml
add_to_env_config "production", <<-end_of_config
config.dereferenced_secret = Rails.application.secrets.some_secret
end_of_config
app("production")
assert_equal "yeah yeah", Rails.application.config.dereferenced_secret
end
end
test "do not update secrets.yml.enc when secretes do not change" do
run_secrets_generator do
Rails::Secrets.read_for_editing do |tmp_path|
File.write(tmp_path, "Empty streets, empty nights. The Downtown Lights.")
end
FileUtils.cp("config/secrets.yml.enc", "config/secrets.yml.enc.bk")
Rails::Secrets.read_for_editing do |tmp_path|
File.write(tmp_path, "Empty streets, empty nights. The Downtown Lights.")
end
assert_equal File.read("config/secrets.yml.enc.bk"), File.read("config/secrets.yml.enc")
end
end
test "can read secrets written in binary" do
run_secrets_generator do
secrets = <<-end_of_secrets
production:
api_key: 00112233445566778899aabbccddeeff
end_of_secrets
Rails::Secrets.write(secrets.dup.force_encoding(Encoding::ASCII_8BIT))
Rails::Secrets.read_for_editing do |tmp_path|
assert_match(/production:\n\s*api_key: 00112233445566778899aabbccddeeff…\n/, File.read(tmp_path))
end
app("production")
assert_equal "00112233445566778899aabbccddeeff…", Rails.application.secrets.api_key
end
end
test "can read secrets written in non-binary" do
run_secrets_generator do
secrets = <<-end_of_secrets
production:
api_key: 00112233445566778899aabbccddeeff
end_of_secrets
Rails::Secrets.write(secrets)
Rails::Secrets.read_for_editing do |tmp_path|
assert_equal(secrets.dup.force_encoding(Encoding::ASCII_8BIT), IO.binread(tmp_path))
end
app("production")
assert_equal "00112233445566778899aabbccddeeff…", Rails.application.secrets.api_key
end
end
private
def run_secrets_generator
Dir.chdir(app_path) do
File.write("config/secrets.yml.key", "f731758c639da2604dfb6bf3d1025de8")
File.write("config/secrets.yml.enc", "sEB0mHxDbeP1/KdnMk00wyzPFACl9K6t0cZWn5/Mfx/YbTHvnI07vrneqHg9kaH3wOS7L6pIQteu1P077OtE4BSx/ZRc/sgQPHyWu/tXsrfHqnPNpayOF/XZqizE91JacSFItNMWpuPsp9ynbzz+7cGhoB1S4aPNIU6u0doMrzdngDbijsaAFJmsHIQh6t/QHoJx--8aMoE0PvUWmw1Iqz--ldFqnM/K0g9k17M8PKoN/Q==")
Add credentials using a generic EncryptedConfiguration class (#30067) * WIP: Add credentials using a generic EncryptedConfiguration class This is sketch code so far. * Flesh out EncryptedConfiguration and test it * Better name * Add command and generator for credentials * Use the Pathnames * Extract EncryptedFile from EncryptedConfiguration and add serializers * Test EncryptedFile * Extract serializer validation * Stress the point about losing comments * Allow encrypted configuration to be read without parsing for display * Use credentials by default and base them on the master key * Derive secret_key_base in test/dev, source it from credentials in other envs And document the usage. * Document the new credentials setup * Stop generating the secrets.yml file now that we have credentials * Document what we should have instead Still need to make it happen, tho. * [ci skip] Keep wording to `key base`; prefer defaults. Usually we say we change defaults, not "spec" out a release. Can't use backticks in our sdoc generated documentation either. * Abstract away OpenSSL; prefer MessageEncryptor. * Spare needless new when raising. * Encrypted file test shouldn't depend on subclass. * [ci skip] Some woordings. * Ditch serializer future coding. * I said flip it. Flip it good. * [ci skip] Move require_master_key to the real production.rb. * Add require_master_key to abort the boot process. In case the master key is required in a certain environment we should inspect that the key is there and abort if it isn't. * Print missing key message and exit immediately. Spares us a lengthy backtrace and prevents further execution. I've verified the behavior in a test app, but couldn't figure the test out as loading the app just exits immediately with: ``` /Users/kasperhansen/Documents/code/rails/activesupport/lib/active_support/testing/isolation.rb:23:in `load': marshal data too short (ArgumentError) from /Users/kasperhansen/Documents/code/rails/activesupport/lib/active_support/testing/isolation.rb:23:in `run' from /Users/kasperhansen/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:830:in `run_one_method' from /Users/kasperhansen/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest/parallel.rb:32:in `block (2 levels) in start' ``` It's likely we need to capture and prevent the exit somehow. Kernel.stub(:exit) didn't work. Leaving it for tomorrow. * Fix require_master_key config test. Loading the app would trigger the `exit 1` per require_master_key's semantics, which then aborted the test. Fork and wait for the child process to finish, then inspect the exit status. Also check we aborted because of a missing master key, so something else didn't just abort the boot. Much <3 to @tenderlove for the tip. * Support reading/writing configs via methods. * Skip needless deep symbolizing. * Remove save; test config reader elsewhere. * Move secret_key_base check to when we're reading it. Otherwise we'll abort too soon since we don't assign the secret_key_base to secrets anymore. * Add missing string literal comments; require unneeded yaml require. * ya ya ya, rubocop. * Add master_key/credentials after bundle. Then we can reuse the existing message on `rails new bc4`. It'll look like: ``` Using web-console 3.5.1 from https://github.com/rails/web-console.git (at master@ce985eb) Using rails 5.2.0.alpha from source at `/Users/kasperhansen/Documents/code/rails` Using sass-rails 5.0.6 Bundle complete! 16 Gemfile dependencies, 72 gems now installed. Use `bundle info [gemname]` to see where a bundled gem is installed. Adding config/master.key to store the master encryption key: 97070158c44b4675b876373a6bc9d5a0 Save this in a password manager your team can access. If you lose the key, no one, including you, can access anything encrypted with it. create config/master.key ``` And that'll be executed even if `--skip-bundle` was passed. * Ensure test app has secret_key_base. * Assign secret_key_base to app or omit. * Merge noise * Split options for dynamic delegation into its own method and use deep symbols to make it work * Update error to point to credentials instead * Appease Rubocop * Validate secret_key_base when reading it. Instead of relying on the validation in key_generator move that into secret_key_base itself. * Fix generator and secrets test. Manually add config.read_encrypted_secrets since it's not there by default anymore. Move mentions of config/secrets.yml to config/credentials.yml.enc. * Remove files I have no idea how they got here. * [ci skip] swap secrets for credentials. * [ci skip] And now, changelogs are coming.
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add_to_config <<-RUBY
config.read_encrypted_secrets = true
RUBY
yield
end
end
end