package com.mes.userinfo.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.mes.common.utils.JwtUtil;
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import com.mes.common.utils.RedisUtil;
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import com.mes.menu.mapper.SysMenuMapper;
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import com.mes.userinfo.entity.LoginUser;
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import com.mes.userinfo.entity.SysUser;
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import com.mes.userinfo.mapper.SysUserMapper;
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import com.mes.userinfo.service.SysUserService;
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import com.mes.utils.Result;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.authentication.AuthenticationManager;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.security.core.userdetails.UserDetails;
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import org.springframework.security.core.userdetails.UserDetailsService;
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import org.springframework.security.core.userdetails.UsernameNotFoundException;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Objects;
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/**
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* <p>
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* 用户表 服务实现类
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* </p>
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*
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* @author zhoush
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* @since 2024-04-11
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*/
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@Service
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public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> implements SysUserService, UserDetailsService {
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@Autowired
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private AuthenticationManager authenticationManager;
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@Autowired
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private RedisUtil redisUtil;
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@Resource
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private SysMenuMapper sysMenuMapper;
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@Override
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public Result login(SysUser user) {
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UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(user.getUserName(), user.getPassword());
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Authentication authenticate = authenticationManager.authenticate(authenticationToken);
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if (Objects.isNull(authenticate)) {
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throw new RuntimeException("用户名或密码错误");
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}
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//使用userid生成token
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LoginUser loginUser = (LoginUser) authenticate.getPrincipal();
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String userId = loginUser.getUser().getId().toString();
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String jwt = JwtUtil.generateToken(userId);
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//authenticate存入redis
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redisUtil.setCacheObject("login:" + userId, loginUser);
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//把token响应给前端
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HashMap<String, String> map = new HashMap<>();
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map.put("token", jwt);
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return Result.success(map);
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}
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@Override
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public Result logout() {
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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LoginUser loginUser = (LoginUser) authentication.getPrincipal();
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Long userid = loginUser.getUser().getId();
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redisUtil.deleteObject("login:" + userid);
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return Result.success("退出成功");
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}
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@Override
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public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
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LambdaQueryWrapper<SysUser> lqw = new LambdaQueryWrapper<>();
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lqw.eq(SysUser::getUserName, username);
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SysUser user = this.baseMapper.selectOne(lqw);
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//判断是否为空
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if (Objects.isNull(user)) {
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throw new RuntimeException("用户名或密码错误");
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}
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//查询权限信息
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List<String> perms = sysMenuMapper.selectPermsByUserId(user.getId());
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return new LoginUser(user, perms);
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}
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}
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