package com.stylefeng.guns.modular.system.service.impl;
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import com.stylefeng.guns.core.util.ToolUtil;
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import com.stylefeng.guns.modular.system.dto.LoginWeChatDTO;
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import com.stylefeng.guns.modular.system.model.AppUser;
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import com.stylefeng.guns.modular.system.model.User;
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import com.stylefeng.guns.modular.system.dao.AppUserMapper;
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import com.stylefeng.guns.modular.system.service.IAppUserService;
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import com.baomidou.mybatisplus.service.impl.ServiceImpl;
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import com.stylefeng.guns.modular.system.util.Md5Util;
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import com.stylefeng.guns.modular.system.util.RedisUtil;
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import com.stylefeng.guns.modular.system.util.ResultUtil;
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import com.stylefeng.guns.modular.system.util.UUIDUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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import java.util.Date;
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import java.util.HashMap;
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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 无关风月
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* @since 2024-02-06
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*/
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@Service
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public class AppUserServiceImpl extends ServiceImpl<AppUserMapper, AppUser> implements IAppUserService {
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@Autowired
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private RedisUtil redisUtil;
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/**
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* 通过token获取用户信息
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* @return
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*/
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@Override
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public AppUser getAppUser() {
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ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletRequest request = servletRequestAttributes.getRequest();
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String authorization = request.getHeader("Authorization");
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// todo 这里注释了一段代码
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// && authorization.contains("Bearer")
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if(ToolUtil.isNotEmpty(authorization) && authorization.contains("Bearer ") ){
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String token = authorization.substring(7);
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//通过token获取用户id
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Integer appUserId = getAppUserIdFromToken(token);
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return this.selectById(appUserId);
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}
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return null;
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}
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/**
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* 通过token获取用户id
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* @param token
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* @return
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*/
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private Integer getAppUserIdFromToken(String token){
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String key = token;
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int length = token.length();
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if(length > 32){
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key = token.substring(token.length() - 32);
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}
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String value = redisUtil.getValue(key);
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if(ToolUtil.isEmpty(value)){
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return 0;
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}
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return Integer.valueOf(value);
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}
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}
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