2011-10-08 21:36:38 +00:00
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# Be sure to restart your server when you modify this file.
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2013-05-22 23:55:48 +00:00
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require 'securerandom'
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2016-07-20 14:10:28 +00:00
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# Transition material in .secret to the secret_key_base key in config/secrets.yml.
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# Historically, ENV['SECRET_KEY_BASE'] takes precedence over .secret, so we maintain that
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# behavior.
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#
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# It also used to be the case that the key material in ENV['SECRET_KEY_BASE'] or .secret
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# was used to encrypt OTP (two-factor authentication) data so if present, we copy that key
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# material into config/secrets.yml under otp_key_base.
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#
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# Finally, if we have successfully migrated all secrets to config/secrets.yml, delete the
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# .secret file to avoid confusion.
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#
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2016-07-15 12:19:29 +00:00
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def create_tokens
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secret_file = Rails.root.join('.secret')
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2016-07-20 14:10:28 +00:00
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file_secret_key = File.read(secret_file).chomp if File.exist?(secret_file)
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env_secret_key = ENV['SECRET_KEY_BASE']
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2015-08-26 01:42:46 +00:00
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2016-07-19 14:12:40 +00:00
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# Ensure environment variable always overrides secrets.yml.
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2016-07-20 14:10:28 +00:00
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Rails.application.secrets.secret_key_base = env_secret_key if env_secret_key.present?
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2016-07-19 14:12:40 +00:00
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2016-07-17 10:01:38 +00:00
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defaults = {
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2016-07-20 14:10:28 +00:00
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secret_key_base: file_secret_key || generate_new_secure_token,
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otp_key_base: env_secret_key || file_secret_key || generate_new_secure_token,
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2016-07-17 10:01:38 +00:00
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db_key_base: generate_new_secure_token
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}
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2016-07-15 12:19:29 +00:00
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2016-07-20 14:10:28 +00:00
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missing_secrets = set_missing_keys(defaults)
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write_secrets_yml(missing_secrets) unless missing_secrets.empty?
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|
begin
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File.delete(secret_file) if file_secret_key
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|
rescue => e
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|
warn "Error deleting useless .secret file: #{e}"
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|
end
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|
end
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|
def generate_new_secure_token
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|
|
SecureRandom.hex(64)
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|
|
end
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|
def warn_missing_secret(secret)
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|
warn "Missing Rails.application.secrets.#{secret} for #{Rails.env} environment. The secret will be generated and stored in config/secrets.yml."
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|
end
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|
|
def set_missing_keys(defaults)
|
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|
|
defaults.stringify_keys.each_with_object({}) do |(key, default), missing|
|
2016-07-17 10:01:38 +00:00
|
|
|
if Rails.application.secrets[key].blank?
|
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|
|
warn_missing_secret(key)
|
2016-07-15 12:19:29 +00:00
|
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|
|
2016-07-20 14:10:28 +00:00
|
|
|
missing[key] = Rails.application.secrets[key] = default
|
2016-07-17 10:01:38 +00:00
|
|
|
end
|
2016-07-15 12:19:29 +00:00
|
|
|
end
|
2016-07-20 14:10:28 +00:00
|
|
|
end
|
2016-07-15 12:19:29 +00:00
|
|
|
|
2016-07-20 14:10:28 +00:00
|
|
|
def write_secrets_yml(missing_secrets)
|
|
|
|
secrets_yml = Rails.root.join('config/secrets.yml')
|
|
|
|
rails_env = Rails.env.to_s
|
|
|
|
secrets = YAML.load_file(secrets_yml) if File.exist?(secrets_yml)
|
|
|
|
secrets ||= {}
|
|
|
|
secrets[rails_env] ||= {}
|
|
|
|
|
|
|
|
secrets[rails_env].merge!(missing_secrets) do |key, old, new|
|
|
|
|
# Previously, it was possible this was set to the literal contents of an Erb
|
|
|
|
# expression that evaluated to an empty value. We don't want to support that
|
|
|
|
# specifically, just ensure we don't break things further.
|
|
|
|
#
|
|
|
|
if old.present?
|
|
|
|
warn <<EOM
|
2016-07-19 14:12:40 +00:00
|
|
|
Rails.application.secrets.#{key} was blank, but the literal value in config/secrets.yml was:
|
|
|
|
#{old}
|
|
|
|
|
|
|
|
This probably isn't the expected value for this secret. To keep using a literal Erb string in config/secrets.yml, replace `<%` with `<%%`.
|
|
|
|
EOM
|
|
|
|
|
2016-08-04 09:17:35 +00:00
|
|
|
exit 1 # rubocop:disable Rails/Exit
|
2016-07-19 14:12:40 +00:00
|
|
|
end
|
2016-07-15 12:19:29 +00:00
|
|
|
|
2016-07-20 14:10:28 +00:00
|
|
|
new
|
2016-07-15 12:19:29 +00:00
|
|
|
end
|
2016-07-17 10:01:38 +00:00
|
|
|
|
2016-07-20 14:10:28 +00:00
|
|
|
File.write(secrets_yml, YAML.dump(secrets), mode: 'w', perm: 0600)
|
2015-08-26 01:42:46 +00:00
|
|
|
end
|
2016-07-15 12:19:29 +00:00
|
|
|
|
|
|
|
create_tokens
|