Class: Reencryptor::GlobalToPerAttributeIVSalt::GlobalToPerAttributeEncryption

Inherits:
Object
  • Object
show all
Defined in:
lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(classes_hash: {}) ⇒ GlobalToPerAttributeEncryption

Returns a new instance of GlobalToPerAttributeEncryption.



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 6

def initialize(classes_hash: {})
  self.classes = classes_hash
end

Instance Attribute Details

#classes ⇒ Object

Returns the value of attribute classes.



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 4

def classes
  @classes
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 34

def perform
  self.classes.each do |klass, fields|
    load "#{klass.to_s.underscore}.rb"
    self.update_class_fields(klass.to_s, fields)
  end
end

#update_class_fields(klass_name, fields) ⇒ Object 



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 10

def update_class_fields(klass_name, fields)
  klass = klass_name.camelize.constantize
  puts "Starting #{klass.to_s}"
  ActiveRecord::Base.transaction do
    klass.all.each do | instance |
      fields.each do |f|
        self.update_encrypted_field(instance, f)
      end
    end
  end
end

#update_encrypted_field(instance, field) ⇒ Object 



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 22

def update_encrypted_field(instance, field)
  instance.send("#{field}=", instance.send("#{field}_old"))
  instance.update_column("encrypted_#{field}", instance.send("encrypted_#{field}"))
  instance.update_column("encrypted_#{field}_iv", instance.send("encrypted_#{field}_iv"))
  instance.update_column("encrypted_#{field}_salt", instance.send("encrypted_#{field}_salt"))
end

#update_encrypted_object(instance) ⇒ Object 



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# File 'lib/reencryptor/global_to_per_attribute_iv_salt/global_to_per_attribute_encryption.rb', line 29

def update_encrypted_object(instance)
  fields = self.classes[instance.class.name.to_sym]
  fields.each {|f| self.update_encrypted_field(instance, f)}
end