/usr/lib/ruby/vendor_ruby/active_model/secure_password.rb is in ruby-activemodel-3.2 3.2.6-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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module SecurePassword
extend ActiveSupport::Concern
module ClassMethods
# Adds methods to set and authenticate against a BCrypt password.
# This mechanism requires you to have a password_digest attribute.
#
# Validations for presence of password, confirmation of password (using
# a "password_confirmation" attribute) are automatically added.
# You can add more validations by hand if need be.
#
# You need to add bcrypt-ruby (~> 3.0.0) to Gemfile to use has_secure_password:
#
# gem 'bcrypt-ruby', '~> 3.0.0'
#
# Example using Active Record (which automatically includes ActiveModel::SecurePassword):
#
# # Schema: User(name:string, password_digest:string)
# class User < ActiveRecord::Base
# has_secure_password
# end
#
# user = User.new(:name => "david", :password => "", :password_confirmation => "nomatch")
# user.save # => false, password required
# user.password = "mUc3m00RsqyRe"
# user.save # => false, confirmation doesn't match
# user.password_confirmation = "mUc3m00RsqyRe"
# user.save # => true
# user.authenticate("notright") # => false
# user.authenticate("mUc3m00RsqyRe") # => user
# User.find_by_name("david").try(:authenticate, "notright") # => nil
# User.find_by_name("david").try(:authenticate, "mUc3m00RsqyRe") # => user
def has_secure_password
# Load bcrypt-ruby only when has_secure_password is used.
# This is to avoid ActiveModel (and by extension the entire framework) being dependent on a binary library.
require 'bcrypt'
attr_reader :password
validates_confirmation_of :password
validates_presence_of :password_digest
include InstanceMethodsOnActivation
if respond_to?(:attributes_protected_by_default)
def self.attributes_protected_by_default
super + ['password_digest']
end
end
end
end
module InstanceMethodsOnActivation
# Returns self if the password is correct, otherwise false.
def authenticate(unencrypted_password)
if BCrypt::Password.new(password_digest) == unencrypted_password
self
else
false
end
end
# Encrypts the password into the password_digest attribute.
def password=(unencrypted_password)
@password = unencrypted_password
unless unencrypted_password.blank?
self.password_digest = BCrypt::Password.create(unencrypted_password)
end
end
end
end
end
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