Contents

module MongoidExt
  module Encryptor
    extend ActiveSupport::Concern

    included do
      require 'encryptor'
    end

    module ClassMethods
      def encrypted_field(name, options = {})
        key = options.delete(:key)
        raise ArgumentError, ":key option must be given" if key.nil?

        field(name, options)
        alias_method :"#{name}_encrypted", name

        define_method(name) do
          value = [send(:"#{name}_encrypted").to_s].pack('H*')

          return if value.blank?
          Marshal.load(::Encryptor.decrypt(value, :key => key))
        end

        define_method("#{name}=") do |v|
          marshaled = Marshal.dump(v)
          enc_value = ::Encryptor.encrypt(marshaled, :key => key).unpack('H*')[0]

          write_attribute(name, enc_value)
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
mongoid_ext-0.7.1	lib/mongoid_ext/encryptor.rb
mongoid_ext-0.6.2	lib/mongoid_ext/encryptor.rb