package com.moral.util;
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import com.moral.constant.ResponseCodeEnum;
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import com.moral.exception.TokenException;
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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.beans.factory.annotation.Qualifier;
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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 org.springframework.util.ObjectUtils;
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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.concurrent.TimeUnit;
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/**
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* @ClassName tokenUtils
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* @Description token生成、解析工具类
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* @Author 陈凯裕
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* @Date 2021/3/10 11:35
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* @Version TODO
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**/
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@Component
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@Slf4j
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public class TokenUtils {
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private static RedisTemplate redisTemplate;
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@Autowired
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@Qualifier("tokenRedisTemplate")
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public void setRedisTemplate(RedisTemplate redisTemplate) {
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TokenUtils.redisTemplate = redisTemplate;
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}
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//token有效期 单位：秒
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private static final int validity_time = 60 * 30;
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//判断user_token里有没有用户的token
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public static boolean hHasKey(String uid) {
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return redisTemplate.opsForHash().hasKey("user_token", uid);
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}
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//根据用户id获取token
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public static Object hget(String uid) {
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return redisTemplate.opsForHash().get("user_token", uid);
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}
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/**
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* @Description: 生成token, 并且将用户信息存入缓存
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* @Param: [uid] type： 后台取值：manage 前台取值：api
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* @return: java.lang.String
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* @Author: 陈凯裕
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* @Date: 2021/3/10
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*/
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public static String getToken(String uid, Object userInfo) {
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//生成加密token
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try {
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//生成token
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String token = TokenEncryptUtils.encoded(uid + "/" + System.currentTimeMillis() / 1000);
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//查询旧的token
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String oldToken = (String) redisTemplate.opsForHash().get("user_token", uid);
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if (oldToken != null)
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redisTemplate.delete(oldToken);
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//新token写入到value中
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redisTemplate.opsForValue().set(token, userInfo);
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//redisTemplate.expire(token, validity_time, TimeUnit.SECONDS);
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//新token写入到Hash中
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redisTemplate.opsForHash().put("user_token", uid, token);
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return token;
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} catch (Exception e) {
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log.error("token生成异常：" + e.getMessage());
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throw new TokenException(ResponseCodeEnum.TOKEN_CREATE_ERROR.getCode(),
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ResponseCodeEnum.TOKEN_CREATE_ERROR.getMsg());
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}
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}
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public static String getTokenApp(String uid, Object userInfo) {
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//生成加密token
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try {
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//生成token
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String token = TokenEncryptUtils.encoded(uid + "/" + System.currentTimeMillis() / 1000);
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//查询旧的token
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String oldToken = (String) redisTemplate.opsForHash().get("user_token", uid);
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if (oldToken != null)
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redisTemplate.delete(oldToken);
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//新token写入到value中
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redisTemplate.opsForValue().set(token, userInfo);
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//redisTemplate.expire(token, validity_time, TimeUnit.SECONDS);
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//新token写入到Hash中
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redisTemplate.opsForHash().put("user_token", uid, token);
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return token;
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} catch (Exception e) {
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log.error("token生成异常：" + e.getMessage());
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throw new TokenException(ResponseCodeEnum.TOKEN_CREATE_ERROR.getCode(),
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ResponseCodeEnum.TOKEN_CREATE_ERROR.getMsg());
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}
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}
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/**
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* @Description: 校验token
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* @Param: [type, token] type： 后台取值：manage 前台取值：api
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* @return: java.util.Map<java.lang.String , java.lang.Object>
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* @Author: 陈凯裕
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* @Date: 2021/3/10
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*/
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public static boolean checkToken(String token) {
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try {
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String[] tokenArray = TokenEncryptUtils.decoded(token).split("/");
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//校验token是否合法
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if (tokenArray.length != 2) {
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throw new TokenException(ResponseCodeEnum.TOKEN_INVALID.getCode(),
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ResponseCodeEnum.TOKEN_INVALID.getMsg());
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}
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//校验token是否过期
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if (!redisTemplate.hasKey(token)) {
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throw new TokenException(ResponseCodeEnum.TOKEN_INVALID.getCode(),
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ResponseCodeEnum.TOKEN_INVALID.getMsg());
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}
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} catch (Exception e) {
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return false;
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}
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return true;
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}
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/**
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* @Description: 通过token获取用户信息
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* @Param: [token]
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* @return: java.util.Map<java.lang.String , java.lang.Object>
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* @Author: 陈凯裕
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* @Date: 2021/3/11
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*/
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public static Object getUserInfoByToken(String token) {
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Object userInfo = redisTemplate.opsForValue().get(token);
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if (userInfo == null)
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throw new TokenException(ResponseCodeEnum.TOKEN_INVALID.getCode(),
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ResponseCodeEnum.TOKEN_INVALID.getMsg());
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return userInfo;
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}
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public static Object getUserInfo() {
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String token = getCurrentToken();
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return getUserInfoByToken(token);
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}
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/**
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* @Description: 销毁token
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* @Param: [uid, token]
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* @return: void
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* @Author: 陈凯裕
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* @Date: 2021/3/11
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*/
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public static void destoryToken(String uid, String token) {
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if(ObjectUtils.isEmpty(uid)||ObjectUtils.isEmpty(token))
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return;
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redisTemplate.delete(token);
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redisTemplate.opsForHash().delete("user_token", uid);
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}
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/**
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* @Description: 销毁token
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* @Param: [token]
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* @return: void
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* @Author: 陈凯裕
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* @Date: 2021/4/1
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*/
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public static void destoryToken(String token) {
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destoryToken(getUidByToken(token), token);
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}
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/**
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* @Description: 销毁当前连接的token
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* @Param: []
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* @return: void
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* @Author: 陈凯裕
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* @Date: 2021/5/21
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*/
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public static void destoryToken() {
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destoryToken(getCurrentToken());
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}
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public static void destoryToken(Integer id) {
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String token = getTokenById(id);
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destoryToken(String.valueOf(id),token);
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}
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/**
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* @Description: 根据id获取token
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* @Param: []
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* @return: java.lang.String
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* @Author: 陈凯裕
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* @Date: 2021/5/21
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*/
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public static String getTokenById(Integer id) {
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return (String) getTokenById(id.toString());
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}
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public static String getTokenById(String id) {
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return (String)redisTemplate.opsForHash().get("user_token", String.valueOf(id));
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}
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/**
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* @Description: 根据TOKEN获取Id
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* @Param: [token]
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* @return: void
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* @Author: 陈凯裕
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* @Date: 2021/4/1
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*/
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public static String getUidByToken(String token) {
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String[] string = TokenEncryptUtils.decoded(token).split("/");
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return string[0];
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}
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/**
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* @Description: 获取当前请求的token
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* @Param: []
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* @return: java.lang.String
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* @Author: 陈凯裕
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* @Date: 2021/5/21
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*/
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public static String getCurrentToken() {
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HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
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return request.getHeader("token");
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}
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/**
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* @Description: token延长
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* @Param: [token]
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* @return: void
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* @Author: 陈凯裕
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* @Date: 2021/3/11
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*/
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public static void extendTokenTime(String token) {
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redisTemplate.expire(token, validity_time, TimeUnit.SECONDS);
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}
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}
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