Question

我基本上关注https://github.com/mattconnolly/devise-custom-strategy-demo/blob/master/lib/my_authentication.rb

一切运作良好，但有一个错误，如果我是我的应用程序的新用户（当然我的用户信息已经在我们的中央身份验证服务器中），我必须首次登录两次才能使用应用

我的authenticate!：

def authenticate!

  # mapping comes from devise base class, "mapping.to" is the class of the model
  # being used for authentication, typically the class "User". This is set by using
  # the `devise` class method in that model
  klass = mapping.to

  # login credentials
  username  = params[:user][:email] # The username is the email field
  password  = params[:user][:password]

  begin
    # Here is the code to authenticate
    # Basically, we are sending the credentials to another central authentication server
    # If the authentication fails, it will throw an exception, which will be caught below to fail!

    user = klass.find_or_initialize_by_email(username)

    puts "user: #{user.inspect}"

    success! user
  rescue Exception => e
    failureMessage = "Auth error: #{e.inspect}"
    puts "#{failureMessage}"

    fail! failureMessage
  end

  # if we wanted to stop other strategies from authenticating the user
end

在我的User模型中：

class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
  devise :my_authentication,
         :rememberable, :trackable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :username, :first_name, :last_name, :remember_me, :email

end

正如您所看到的那样，我根本没有使用database_authenticatable，但我们需要将一些用户信息从中央服务器保存到我们的应用服务器。

我猜这是因为：

    user = klass.find_or_initialize_by_email(username)

    puts "user: #{user.inspect}"

    success! user

但我不知道如何修改它，以便新用户不必登录两次才能使用该应用程序。

Answer 1

我自己想通了。在success! user之前，请添加：

    if (user.new_record?)
      user.save
      puts "new user saved ******"
    end

Answer 2

我最近遇到了这个问题，并将find_or_initialize_by_email替换为find_or_create_by_email解决了这个问题。

设计自定义策略首次需要新用户登录两次才能使用该应用程序

2 个答案: