From ec6d43aa07ee0e8faf34498057ebcfbb446aa015 Mon Sep 17 00:00:00 2001
From: hjl <1657978663@qq.com>
Date: 星期二, 16 七月 2024 09:21:51 +0800
Subject: [PATCH] feat: 代码重构

---
 ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/service/TokenService.java |   51 ++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/service/TokenService.java b/ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/service/TokenService.java
index 28b3df6..6d51e96 100644
--- a/ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/service/TokenService.java
+++ b/ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/service/TokenService.java
@@ -1,7 +1,9 @@
 package com.ruoyi.common.security.service;
 
+import com.alibaba.fastjson2.JSONObject;
 import com.ruoyi.common.core.constant.CacheConstants;
 import com.ruoyi.common.core.constant.SecurityConstants;
+import com.ruoyi.common.core.exception.GlobalException;
 import com.ruoyi.common.core.utils.JwtUtils;
 import com.ruoyi.common.core.utils.ServletUtils;
 import com.ruoyi.common.core.utils.StringUtils;
@@ -19,6 +21,7 @@
 import javax.servlet.http.HttpServletRequest;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -110,9 +113,9 @@
         claimsMap.put(SecurityConstants.DETAILS_USERNAME, userName);
 
         // 接口返回信息
-        Map<String, Object> rspMap = new HashMap<String, Object>();
+        Map<String, Object> rspMap = new HashMap<String, Object>(8);
         rspMap.put("access_token", JwtUtils.createToken(claimsMap));
-        rspMap.put("expires_in", expireTime);
+        rspMap.put("expires_in", CacheConstants.EXPIRE_TIME_WORKER);
         return rspMap;
     }
 
@@ -221,14 +224,22 @@
      */
     public LoginUserInfo getLoginUserByWorker(String token) {
         LoginUserInfo user = null;
-        try {
-            if (StringUtils.isNotEmpty(token)) {
-                String userkey = JwtUtils.getUserKeyByWorker(token);
-                user = redisService.getCacheObject(getTokenKeyByWorker(userkey));
-                return user;
+        if (StringUtils.isNotEmpty(token)) {
+            String userkey = JwtUtils.getUserKeyByWorker(token);
+            user = redisService.getCacheObject(getTokenKeyByWorker(userkey));
+            // 再次判断登录状态是否已过期
+            if (null == user) {
+                throw new GlobalException("登录信息已过期,请重新登录!", 504);
             }
-        } catch (Exception e) {
-            log.error("获取用户信息异常'{}'", e.getMessage());
+            // 优先判断当前账号是否已在其他设备登录
+            if (!user.getIsCanLogin()) {
+                throw new GlobalException("当前登录账号在其他设备登录!", 505);
+            }
+            // 再次判断登录状态是否已过期
+            if (System.currentTimeMillis() > user.getExpireTime()) {
+                throw new GlobalException("登录信息已过期,请重新登录!", 504);
+            }
+            return user;
         }
         return user;
     }
@@ -317,11 +328,29 @@
      * @param loginUserInfo 登录信息
      */
     public void refreshTokenByWorker(LoginUserInfo loginUserInfo) {
+        // 获取所有 login_tokens_study: 前缀的登录缓存
+        Set redisCache = redisService.getKeysPrefix(CacheConstants.LOGIN_WORKER_TOKEN_KEY);
+        for (Object key : redisCache) {
+            String strKey = String.valueOf(key);
+            // 根据 login_tokens:加密token 获取用户登录信息
+            Object redisCacheUserInfo = redisService.getCacheObject(strKey);
+            LoginUserInfo redisUserInfo = JSONObject.parseObject(JSONObject.toJSONString(redisCacheUserInfo), LoginUserInfo.class);
+            // 单点逻辑,如果当前用户已处于登录状态并再次登录,则清除该用户上一次登录token
+            if (loginUserInfo.getUserid().equals(redisUserInfo.getUserid())) {
+                // 被挤账户 可登录状态 已经为 false时,跳出循环
+                if (!redisUserInfo.getIsCanLogin()) {
+                    continue;
+                }
+                // 设置能否登录字段为 否,当该token登录时,isCanLogin为false表示账号被挤
+                redisUserInfo.setIsCanLogin(Boolean.FALSE);
+                redisService.setCacheObject(strKey, redisUserInfo, redisService.getExpire(strKey), TimeUnit.SECONDS);
+            }
+        }
         loginUserInfo.setLoginTime(System.currentTimeMillis());
-        loginUserInfo.setExpireTime(loginUserInfo.getLoginTime() + expireTime * MILLIS_MINUTE);
+        loginUserInfo.setExpireTime(loginUserInfo.getLoginTime() + CacheConstants.EXPIRE_TIME_WORKER * MILLIS_MINUTE);
         // 根据uuid将loginUser缓存
         String userKey = getTokenKeyByWorker(loginUserInfo.getToken());
-        redisService.setCacheObject(userKey, loginUserInfo, expireTime, TimeUnit.MINUTES);
+        redisService.setCacheObject(userKey, loginUserInfo, CacheConstants.EXPIRE_TIME_WORKER, TimeUnit.MINUTES);
     }
 
     private String getTokenKey(String token) {

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