成功注册后自动登录 [英] Auto login after successful registration

问题描述

大家好 我想在春季成功注册后进行自动登录 意义: 我有一个受保护的页面，需要登录才能访问它们 我想在注册后跳过登录页面并进行自动登录，以便用户可以看到该受保护页面，对吗? 我正在使用spring 3.0，spring security 3.0.2 怎么做?

hey all i want to make an auto login after successful registration in spring meaning: i have a protected page which requires login to access them and i want after registration to skip the login page and make an auto login so the user can see that protected page, got me ? i am using spring 3.0 , spring security 3.0.2 how to do so ?

推荐答案

Spring可以通过以下方式(半伪代码)来完成此操作:

This can be done with spring security in the following manner(semi-psuedocode):

import org.springframework.security.web.savedrequest.RequestCache;
import org.springframework.security.web.savedrequest.SavedRequest;

@Controller
public class SignupController
{

    @Autowired
    RequestCache requestCache;

    @Autowired
    protected AuthenticationManager authenticationManager;

    @RequestMapping(value = "/account/signup/", method = RequestMethod.POST)
    public String createNewUser(@ModelAttribute("user") User user, BindingResult result,  HttpServletRequest request, HttpServletResponse response) {
        //After successfully Creating user
        authenticateUserAndSetSession(user, request);

        return "redirect:/home/";
    }

    private void authenticateUserAndSetSession(User user, HttpServletRequest request) {
        String username = user.getUsername();
        String password = user.getPassword();
        UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);

        // generate session if one doesn't exist
        request.getSession();

        token.setDetails(new WebAuthenticationDetails(request));
        Authentication authenticatedUser = authenticationManager.authenticate(token);

        SecurityContextHolder.getContext().setAuthentication(authenticatedUser);
    }
}

更新:仅包含注册后如何创建会话

Update: to only contain how to create the session after the registration

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