修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

 src/main/java/com/genersoft/iot/vmp/conf/security/SecurityUtils.java

@@ -2,7 +2,6 @@

import com.genersoft.iot.vmp.conf.security.dto.LoginUser;
import com.genersoft.iot.vmp.storager.dao.dto.User;
import gov.nist.javax.sip.address.UserInfo;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
@@ -11,6 +10,7 @@
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

import javax.security.sasl.AuthenticationException;
import java.time.LocalDateTime;

public class SecurityUtils {

@@ -27,9 +27,12 @@
    public static LoginUser login(String username, String password, AuthenticationManager authenticationManager) throws AuthenticationException {
        //使用security框架自带的验证token生成器  也可以自定义。
        UsernamePasswordAuthenticationToken token =new UsernamePasswordAuthenticationToken(username,password);
        //认证 如果失败，这里会自动异常后返回，所以这里不需要判断返回值是否为空，确定是否登录成功
        Authentication authenticate = authenticationManager.authenticate(token);
        SecurityContextHolder.getContext().setAuthentication(authenticate);
        LoginUser user = (LoginUser) authenticate.getPrincipal();

        SecurityContextHolder.getContext().setAuthentication(token);

        return user;
    }

@@ -50,9 +53,10 @@
        Authentication authentication = getAuthentication();
        if(authentication!=null){
            Object principal = authentication.getPrincipal();
            if(principal!=null){
                LoginUser user = (LoginUser) authentication.getPrincipal();
                return user;
            if(principal!=null && !"anonymousUser".equals(principal.toString())){

                User user = (User) principal;
                return new LoginUser(user, LocalDateTime.now());
            }
        }
        return null;