Class: EncryptionWrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/acts_as_encrypted.rb

Overview

Encryption Wrapper

Use EncryptionWrapper as a callback in a model to encrypt database fields. It is recomended that you don’t use it directly, but instead use:

acts_as_encrypted
encrypt_field :field_one, :field_two, :field_three

Instance Method Summary collapse

Constructor Details

#initialize(attribute) ⇒ EncryptionWrapper

Returns a new instance of EncryptionWrapper.



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# File 'lib/acts_as_encrypted.rb', line 107

def initialize(attribute)
  @attribute = attribute.to_sym
  @attribute_safe = (attribute.to_s + '_safe').to_sym
  @attr_setter = (attribute.to_s + '=').to_sym
end

Instance Method Details

#decrypt_field(record) ⇒ Object Also known as: after_save 



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# File 'lib/acts_as_encrypted.rb', line 117

def decrypt_field(record)
  record.send(@attr_setter, decrypt(record.send(@attribute_safe)))
end

#encrypt_field(record) ⇒ Object Also known as: before_save 



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# File 'lib/acts_as_encrypted.rb', line 113

def encrypt_field(record)
  record.send(@attr_setter, encrypt(record.send(@attribute_safe)))
end