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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
File.binwrite("config/secrets.yml.key", "00112233445566778899aabbccddeeff")
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_to_config <<-RUBY
config.read_encrypted_secrets = true
RUBY
yield
end
end
end
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