Class: ActiveModel::SecurePassword::InstanceMethodsOnActivation

Inherits:
Module
  • Object
show all
Defined in:
activemodel/lib/active_model/secure_password.rb

Constant Summary

Constants inherited from Module

Module::DELEGATION_RESERVED_KEYWORDS, Module::DELEGATION_RESERVED_METHOD_NAMES, Module::RUBY_RESERVED_KEYWORDS

Instance Method Summary collapse

Methods inherited from Module

#alias_attribute, #anonymous?, #as_json, #attr_internal_accessor, #attr_internal_reader, #attr_internal_writer, #delegate, #delegate_missing_to, #deprecate, #mattr_accessor, #mattr_reader, #mattr_writer, #method_visibility, #module_parent, #module_parent_name, #module_parents, #redefine_method, #redefine_singleton_method, #remove_possible_method, #remove_possible_singleton_method, #silence_redefinition_of_method, #thread_mattr_accessor, #thread_mattr_reader, #thread_mattr_writer

Methods included from Module::Concerning

#concern, #concerning

Constructor Details

#initialize(attribute) ⇒ InstanceMethodsOnActivation

Returns a new instance of InstanceMethodsOnActivation.



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# File 'activemodel/lib/active_model/secure_password.rb', line 142

def initialize(attribute)
  attr_reader attribute

  define_method("#{attribute}=") do |unencrypted_password|
    if unencrypted_password.nil?
      instance_variable_set("@#{attribute}", nil)
      self.public_send("#{attribute}_digest=", nil)
    elsif !unencrypted_password.empty?
      instance_variable_set("@#{attribute}", unencrypted_password)
      cost = ActiveModel::SecurePassword.min_cost ? BCrypt::Engine::MIN_COST : BCrypt::Engine.cost
      self.public_send("#{attribute}_digest=", BCrypt::Password.create(unencrypted_password, cost: cost))
    end
  end

  attr_accessor :"#{attribute}_confirmation", :"#{attribute}_challenge"

  # Returns +self+ if the password is correct, otherwise +false+.
  #
  #   class User < ActiveRecord::Base
  #     has_secure_password validations: false
  #   end
  #
  #   user = User.new(name: 'david', password: 'mUc3m00RsqyRe')
  #   user.save
  #   user.authenticate_password('notright')      # => false
  #   user.authenticate_password('mUc3m00RsqyRe') # => user
  define_method("authenticate_#{attribute}") do |unencrypted_password|
    attribute_digest = public_send("#{attribute}_digest")
    attribute_digest.present? && BCrypt::Password.new(attribute_digest).is_password?(unencrypted_password) && self
  end

  # Returns the salt, a small chunk of random data added to the password before it's hashed.
  define_method("#{attribute}_salt") do
    attribute_digest = public_send("#{attribute}_digest")
    attribute_digest.present? ? BCrypt::Password.new(attribute_digest).salt : nil
  end

  alias_method :authenticate, :authenticate_password if attribute == :password
end