Class: ActiveRecordStringEncryption::EncryptString

Inherits:
ActiveRecord::Type::String
  • Object
show all
Defined in:
lib/active_record_string_encryption/encrypt_string.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.key_len ⇒ Object 



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# File 'lib/active_record_string_encryption/encrypt_string.rb', line 6

def key_len
  ActiveSupport::MessageEncryptor.key_len(ActiveRecordStringEncryption.configuration.cipher_alg)
end

Instance Method Details

#deserialize(value) ⇒ Object

ActiveRecord calls ‘deserialize` to convert values stored database to Ruby objects



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# File 'lib/active_record_string_encryption/encrypt_string.rb', line 20

def deserialize(value)
  # expects same behavior as ActiveRecord::Type::String other than decryption
  # https://github.com/rails/rails/blob/5-0-stable/activemodel/lib/active_model/type/value.rb#L21-L23
  v = super(value)
  encryptor.decrypt_and_verify(v) if v.present?
end

#serialize(value) ⇒ Object

ActiveRecord calls ‘serialize` to convert Ruby objects to a format that can be understood by database



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# File 'lib/active_record_string_encryption/encrypt_string.rb', line 12

def serialize(value)
  # expects same behavior as ActiveRecord::Type::String other than encryption
  # https://github.com/rails/rails/blob/5-0-stable/activemodel/lib/active_model/type/immutable_string.rb
  v = super(value)
  encryptor.encrypt_and_sign(v) if v.present?
end