ruby-on-rails - 使用 restful_authentication 更改最小密码长度

Question

有没有办法使用 restful_authentication 更改密码的最小长度？目前它是 6 个字符，我需要另一个值。

我试过像这样在 Authentication::ByPassword 之前和之后调用 validates_length_of

validates_length_of :password, :within => 4..40, :if => :password_required?  
include Authentication::ByPassword

像这样：

include Authentication::ByPassword
validates_length_of :password, :within => 4..40, :if => :password_required?  

但最低密码仍为 6。

Answer 1

转到 vendor/plugins/restful-authentication/lib/authentication/by_password.rb 并编辑此字符串

validates_length_of :password, :within => 6..40, :if => :password_required?

Answer 2

ActsAsAuthentic具有如下配置选项：

acts_as_authentic do |config|
  config.merge_validates_length_of_password_field_options       :within => 4..40
  config.merge_validates_confirmation_of_password_field_options :within => 4..40
end

不幸的是，RestfulAuthentication 没有这些配置选项。正确的解决方案是分叉RestfulAuthentication项目并添加它们。

同时，你可以猴子补丁Authentication::ByPassword.included：

# in app/models/user.rb:
Authentication::ByPassword.class_eval do
  def self.included(base)
    recipient.extend(ModelClassMethods)
    recipient.class_eval do
      include ModelInstanceMethods

      # Virtual attribute for the unencrypted password
      attr_accessor :password
      validates_presence_of :password, :if => :password_required?
      validates_presence_of :password_confirmation, :if => :password_required?
      validates_confirmation_of :password, :if => :password_required?
      validates_length_of :password, :within => 4..40, :if => :password_required?
      before_save :encrypt_password
    end
  end
end