myr2ieFq

1# somewhere in lib or services
2
3module Encryptable
4  def encrypt_columns(*columns)
5    columns.each do |column|
6      if self.column_names.include?("encrypted_#{column}")
7        self.send(:attr_accessor, column)
8
9        define_method "#{column}=" do |value|
10          self["encrypted_#{column}"] = self.class.verifier.generate(value)
11        end
12
13        define_method "#{column}" do
14          self["encrypted_#{column}"].nil? ? nil : self.class.verifier.verify(self["encrypted_#{column}"])
15        end
16      end
17    end
18  end
19
20  def verifier
21    @verifier ||= ActiveSupport::MessageVerifier.new(SECRETS[:encrypt_key])
22  end
23end
24
25# in DB you need create columns with name
26# encrypted_password, encrypted_secret_key # encrypted_#{column_name}
27
28# than in model
29
30class MyModel < ApplicationRecord
31  encrypt_columns :password, :secret_key
32  ....
33end