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# frozen_string_literal: true
require 'devise/strategies/database_authenticatable'
# Based on `devise-encryptable` Encryptable model
# https://github.com/heartcombo/devise-encryptable/blob/main/lib/devise/encryptable/model.rb
module Devise
module Models
module Pbkdf2Encryptable
extend ActiveSupport::Concern
def valid_password?(password)
encryptor_class.compare(encrypted_password, password)
end
def password_strategy
split_encrypted_password[:strategy]&.tr('-', '_')&.to_sym
end
def password_salt
split_encrypted_password[:salt]
end
# Used by warden and other modules where there is a
# need for a random token based on the user password.
alias_method :authenticatable_salt, :password_salt
def password_stretches
split_encrypted_password[:stretches]
end
def password_checksum
split_encrypted_password[:checksum]
end
protected
# Used by Devise DatabaseAuthenticatable when setting a password
def password_digest(password)
remove_instance_variable('@split_encrypted_password') if defined?(@split_encrypted_password)
encryptor_class.digest(password, encryptor_class::STRETCHES, Devise.friendly_token[0, 16])
end
def encryptor_class
self.class.encryptor_class
end
private
def split_encrypted_password
return {} unless encrypted_password.present?
return @split_encrypted_password if defined?(@split_encrypted_password)
@split_encrypted_password = encryptor_class.split_digest(encrypted_password)
end
module ClassMethods
Devise::Models.config(self, :encryptor)
# Returns the class for the configured encryptor.
def encryptor_class
@encryptor_class ||= case encryptor
when :bcrypt
raise "In order to use bcrypt as encryptor, simply remove :pbkdf2_encryptable from your devise model"
when nil
raise "You need to specify an :encryptor in Devise configuration in order to use :pbkdf2_encryptable"
else
Devise::Pbkdf2Encryptable::Encryptors.const_get(encryptor.to_s.classify)
end
rescue NameError
raise "Configured encryptor '#{encryptor.to_sym}' could not be found for pbkdf2_encryptable"
end
end
end
end
end
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