package com.doumee.config.jwt;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
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import com.doumee.biz.system.SystemDictDataBiz;
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import com.doumee.core.constants.Constants;
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import com.doumee.core.utils.HttpsUtil;
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import com.doumee.dao.business.model.Member;
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import com.doumee.dao.system.SystemUserMapper;
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import com.doumee.dao.system.model.SystemUser;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.io.IOException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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@Component
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@Slf4j
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public class JwtTokenUtil {
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public static final String HEADER_KEY = "token";
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public static final String MEMBER_ID = "MEMBER_ID";
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public static final String MEMBER_INFO = "MEMBER_INFO";
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@Resource
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private RedisTemplate<String,Object> redisTemplate;
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@Resource
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private JwtProperties jwtProperties;
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/**
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* 生成token令牌
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*
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* @param member 令牌中携带的附加信息
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* @return 令token牌
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*/
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public String generateToken(Member member) {
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if(member == null){
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return null;
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}
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Map<String,Object> map = new HashMap<>();
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map.put("id",member.getId());
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return generateTokenDo(member);
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}
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public Member getUserInfoByToken(String token) {
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try {
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Member member = getClaimsFromToken(token);
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return member;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 刷新令牌
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*
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* @param token 原令牌
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* @return 新令牌
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*/
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public void refreshToken(String token,Member member) {
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try {
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if(Objects.nonNull(member)){
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redisTemplate.opsForValue().set(Constants.REDIS_TOKEN_KEY+token,JSONObject.toJSONString(member),jwtProperties.getExpiration(), TimeUnit.MILLISECONDS);
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}
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} catch (Exception e) {
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}
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}
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/**
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* 退出登陆
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*
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* @param token 原令牌
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* @return 新令牌
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*/
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public void logoutForH5(String token) {
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try {
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//删除老的token
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redisTemplate.delete(Constants.REDIS_TOKEN_KEY+token);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 从claims生成令牌,如果看不懂就看谁调用它
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*
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* @return 令牌
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*/
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private String generateTokenDo(Member member) {
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Map<String, Object> claims = new HashMap<>();
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claims.put("id",member.getId());
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Date expirationDate = new Date(System.currentTimeMillis() + jwtProperties.getExpiration());
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String token = Jwts.builder().setClaims(claims)
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.setExpiration(expirationDate)
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.signWith(SignatureAlgorithm.HS512, jwtProperties.getSecret())
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.compact();
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redisTemplate.opsForValue().set(Constants.REDIS_TOKEN_KEY+token,JSONObject.toJSONString(member),
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jwtProperties.getExpiration(), TimeUnit.MILLISECONDS);
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return token;
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}
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/**
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* 从令牌中获取数据声明,验证JWT签名
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*
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* @param token 令牌
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* @return 数据声明
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*/
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private Member getClaimsFromToken(String token) {
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Member claims;
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try {
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String userInfo = (String) redisTemplate.opsForValue().get(Constants.REDIS_TOKEN_KEY+token);
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claims = JSONObject.toJavaObject(JSONObject.parseObject(userInfo),Member.class);
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} catch (Exception e) {
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claims = null;
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}
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return claims;
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}
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}
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