package com.terra.common.service;
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import com.terra.common.entity.all.RedisCacheKey;
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import com.terra.common.entity.lf.TokenPo;
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import com.terra.common.entity.lf.UserPo;
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import com.terra.common.helper.StringHelper;
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import com.terra.common.helper.WebHelper;
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import com.terra.common.mapper.OperatePoMapper;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import java.util.concurrent.TimeUnit;
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/**
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* 令牌帮助类
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* @author WWW
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*/
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@Component
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public class TokenHelper {
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@Resource
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RedisService redisService;
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@Resource
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OperatePoMapper mapper;
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public static Integer getCurrentUserId(HttpServletRequest req) {
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String token = WebHelper.getToken(req);
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return null;
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}
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public UserPo getUserByToken(String token) {
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if (StringHelper.isNull(token)) {
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return null;
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}
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// redis
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String userKey = RedisCacheKey.signUserKey(token);
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Object obj = redisService.get(userKey);
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if (obj instanceof UserPo) {
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return (UserPo) obj;
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}
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// db
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UserPo po = mapper.selectByToken(token);
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if (null != po) {
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getEntityByToken(token);
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}
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return po;
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}
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public TokenPo getEntityByToken(String token) {
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String tokenKey = RedisCacheKey.signTokenKey(token);
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// redis
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Object obj = redisService.get(tokenKey);
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if (obj instanceof TokenPo) {
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return (TokenPo) obj;
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}
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// db
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TokenPo te = mapper.selectOneByToken(token);
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if (null != te) {
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long min = StringHelper.getMinuteDifference(te.getExpire());
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if (min > 0) {
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redisService.put(tokenKey, te, min, TimeUnit.MINUTES);
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}
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}
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return te;
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}
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public static String getCurrentUserName() {
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return null;
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}
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}
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