spring security - 在 UserDetailsS​​ervice 实现中访问请求参数 [英] spring security - access request parameters inside UserDetailsService implementation

问题描述

我正在开发一个 java spring mvc 应用程序.我已经实现了这样的 UserDetailsS​​ervice 接口:

I'm working on a java spring mvc application. I have implemented the UserDetailsService interface like this:

@Component
@Transactional
public class SecurityDAO implements UserDetailsService{

     @Override
     public UserDetails loadUserByUsername(final String username) throws UsernameNotFoundException {
         ...
     }

     ....
}

我需要在 loadUserByUsername 方法中找到用户登录网址(因为项目有多个登录网址).事实上，我想访问UserDetailsS​​ervice实现中的请求参数.

I need to find the user login url inside loadUserByUsername method(because the project has multiple login urls). In fact, I want to access request parameters inside UserDetailsService implementation.

推荐答案

只需将请求注入您的服务:

Just inject the request on your service:

 @Autowired
 private HttpServletRequest request;

为了让它工作，你需要先注册 RequestContextListener，不过:

For it to work you need to register RequestContextListener previously, though:

@Bean 
public RequestContextListener requestContextListener(){
    return new RequestContextListener();
} 

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