package com.lxzn.auth;
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import com.alibaba.fastjson.JSON;
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import com.lxzn.framework.domain.auth.ext.AuthToken;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.StringRedisTemplate;
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import org.springframework.stereotype.Component;
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import java.util.concurrent.TimeUnit;
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/**
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* @author: zzx
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* @date: 2018/10/23 10:31
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* @description: redis工具类
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*/
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@Component
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@Slf4j
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public class RedisUtil {
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//@Value("${auth.tokenValiditySeconds}")
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private int tokenValiditySeconds = 1200;
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@Autowired
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private StringRedisTemplate redisTemplate;
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//用户存储token的前缀
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public static final String USER_TOKEN_PRE = "user_token:";
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/**
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* 存储到令牌到redis
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* @param access_token 用户身份令牌
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* @param content 内容就是AuthToken对象的内容
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* @return
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*/
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public boolean saveToken(String access_token,String content){
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return saveToken(access_token, content, tokenValiditySeconds);
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}
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/**
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* 存储到令牌到redis
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* @param access_token 用户身份令牌
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* @param content 内容就是AuthToken对象的内容
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* @param ttl 过期时间
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* @return
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*/
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public boolean saveToken(String access_token,String content, long ttl){
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String key = USER_TOKEN_PRE + access_token;
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redisTemplate.boundValueOps(key).set(content, ttl, TimeUnit.SECONDS);
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Long expire = redisTemplate.getExpire(key, TimeUnit.SECONDS);
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return expire>0;
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}
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/**
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* 删除redis中的令牌
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* @param access_token
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* @return
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*/
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public boolean delToken(String access_token){
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String key = USER_TOKEN_PRE + access_token;
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redisTemplate.delete(key);
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return true;
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}
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//从redis查询令牌
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public AuthToken getUserToken(String token){
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String key = USER_TOKEN_PRE + token;
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//从redis中取到令牌信息
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String value = redisTemplate.opsForValue().get(key);
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//转成对象
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try {
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AuthToken authToken = JSON.parseObject(value, AuthToken.class);
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return authToken;
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} catch (Exception e) {
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log.error(e.getMessage(), e.getStackTrace());
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return null;
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}
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}
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}
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