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# frozen_string_literal: true
module ActiveSupport
module Messages
module Rotator # :nodoc:
def initialize(*, on_rotation: nil, **options)
super
@options = options
@rotations = []
@on_rotation = on_rotation
end
def rotate(*secrets, **options)
@rotations << build_rotation(*secrets, @options.merge(options))
end
module Encryptor
include Rotator
def decrypt_and_verify(*args, on_rotation: @on_rotation, **options)
super
rescue MessageEncryptor::InvalidMessage, MessageVerifier::InvalidSignature
run_rotations(on_rotation) { |encryptor| encryptor.decrypt_and_verify(*args, options) } || raise
end
private
def build_rotation(secret = @secret, sign_secret = @sign_secret, options)
self.class.new(secret, sign_secret, options)
end
end
module Verifier
include Rotator
def verified(*args, on_rotation: @on_rotation, **options)
super || run_rotations(on_rotation) { |verifier| verifier.verified(*args, options) }
end
private
def build_rotation(secret = @secret, options)
self.class.new(secret, options)
end
end
private
def run_rotations(on_rotation)
@rotations.find do |rotation|
if message = yield(rotation) rescue next
on_rotation&.call
return message
end
end
end
end
end
end
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