From 16427ab3e7335fb6242699ee4afb9881dfd13439 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期三, 30 四月 2025 17:10:02 +0800
Subject: [PATCH] 过期token定时清理
---
src/main/java/com/cl/service/impl/TokenBlacklistService.java | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/cl/service/impl/TokenBlacklistService.java b/src/main/java/com/cl/service/impl/TokenBlacklistService.java
index 0db2a84..d077d07 100644
--- a/src/main/java/com/cl/service/impl/TokenBlacklistService.java
+++ b/src/main/java/com/cl/service/impl/TokenBlacklistService.java
@@ -1,15 +1,22 @@
package com.cl.service.impl;
+import com.cl.util.JwtUtil;
+import io.jsonwebtoken.Claims;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.util.Collections;
+import java.util.Date;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
@Service
+@Slf4j
public class TokenBlacklistService {
// 使用ConcurrentHashMap或Redis存储黑名单
private final Set<String> blacklist = Collections.newSetFromMap(new ConcurrentHashMap<>());
@@ -22,4 +29,27 @@
return blacklist.contains(token);
}
+
+ /**
+ * 定时清理过期令牌（每2小时执行一次）
+ */
+ @Scheduled(fixedRate = 2, timeUnit = TimeUnit.HOURS)
+ public void cleanupExpiredTokens() {
+ log.info("开始清理过期token");
+ blacklist.removeIf(this::isTokenExpired);
+ }
+ /**
+ * 检查JWT Token是否过期
+ * @param token JWT Token字符串
+ * @return true-已过期，false-未过期
+ */
+ public boolean isTokenExpired(String token) {
+ try {
+ Claims claims = JwtUtil.parseJWT(token);
+ return claims.getExpiration().before(new Date());
+ } catch (Exception e) {
+ // 如果解析过程中出现异常（如Token无效、已过期等），视为已过期
+ return true;
+ }
+ }
}
\ No newline at end of file
--
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