在哪里设计"aut​​henticate_user!"的实现 方法?

Gre*_*reg 67 ruby-on-rails oauth devise oauth-2.0

设计authenticate_user!方法在哪里设计?

我一直在寻找它,到目前为止还没有找到它.

jup*_*p0r 70

它在lib/devise/controllers/helpers.rb1中并且是动态生成的(用户只是可能的后缀之一):

def self.define_helpers(mapping) #:nodoc:
    mapping = mapping.name

    class_eval <<-METHODS, __FILE__, __LINE__ + 1
      def authenticate_#{mapping}!(opts={})
        opts[:scope] = :#{mapping}
        warden.authenticate!(opts) if !devise_controller? || opts.delete(:force)
      end

      def #{mapping}_signed_in?
        !!current_#{mapping}
      end

      def current_#{mapping}
        @current_#{mapping} ||= warden.authenticate(:scope => :#{mapping})
      end

      def #{mapping}_session
        current_#{mapping} && warden.session(:#{mapping})
      end
    METHODS

    ActiveSupport.on_load(:action_controller) do
      helper_method "current_#{mapping}", "#{mapping}_signed_in?", "#{mapping}_session"
    end
  end
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  • 那么我如何明确地访问它。这个调用不起作用&gt;&gt; `Devise::Controllers::Helpers.authenticate_user!` (2认同)

Ult*_*rus 21

当您将设计添加到rails时,通常会添加config/routes.rb:

devise_for :user
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这是在Devise Mapper类中定义的.

它要求Devise.add_mapping每个资源都传递给它devise_for

此处定义了Devise模块的add_mapping方法,该方法随后调用define_helpers,其定义authenticate如其他答案中所述.


Dog*_*ert 5

它在这里使用了一些元编程声明 - https://github.com/plataformatec/devise/blob/master/lib/devise/controllers/helpers.rb#L46-49

class_eval <<-METHODS, __FILE__, __LINE__ + 1
  def authenticate_#{mapping}!(opts={})
    opts[:scope] = :#{mapping}
    warden.authenticate!(opts) if !devise_controller? || opts.delete(:force)
  end
  ...
end
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