Spring security:添加“成功登录事件监听器" [英] Spring security: adding "On successful login event listener"

问题描述

我是 Spring Security 的新手.如何添加将在用户成功登录时调用的事件侦听器?此外，我需要在此侦听器中获得某种唯一的会话 ID，该 ID 应该可以进一步使用.我需要此 ID 才能与另一台服务器同步.

I'm new to Spring Security. How do I add an event listener which will be called as a user logs in successfully? Also I need to get some kind of unique session ID in this listener which should be available further on. I need this ID to synchronize with another server.

推荐答案

你需要定义一个 Spring Bean 来实现 ApplicationListener.

You need to define a Spring Bean which implements ApplicationListener.

然后，在您的代码中，执行以下操作:

Then, in your code, do something like this:

public void onApplicationEvent(ApplicationEvent appEvent)
{
    if (appEvent instanceof AuthenticationSuccessEvent)
    {
        AuthenticationSuccessEvent event = (AuthenticationSuccessEvent) appEvent;
        UserDetails userDetails = (UserDetails) event.getAuthentication().getPrincipal();

        // ....
    }
}

然后，在您的 applicationContext.xml 文件中，只需定义该 bean，它就会自动开始接收事件 :)

Then, in your applicationContext.xml file, just define that bean and it will automatically start receiving events :)

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