From 308d3b3b7883a92a761dfaf4f607a9f4658213cf Mon Sep 17 00:00:00 2001
From: Codex Assistant <codex@example.com>
Date: 星期四, 06 十一月 2025 09:58:25 +0800
Subject: [PATCH] 修改页面
---
web/src/utils/auth.ts | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/web/src/utils/auth.ts b/web/src/utils/auth.ts
index a55e90c..3cb965e 100644
--- a/web/src/utils/auth.ts
+++ b/web/src/utils/auth.ts
@@ -75,6 +75,50 @@
return !!(token && userInfo)
}
+/**
+ * 瑙ｆ瀽骞跺垽鏂璊WT鏄惁杩囨湡
+ * 瑙勫垯锛氳嫢token涓虹┖鎴栨棤娉曡В鏋恊xp锛岃涓鸿繃鏈燂紱exp鍗曚綅涓虹
+ */
+export function isTokenExpired(token?: string | null): boolean {
+ if (!token) return true
+ try {
+ const parts = token.split('.')
+ if (parts.length !== 3) return true
+ const payloadJson = JSON.parse(decodeBase64Url(parts[1]))
+ const exp = payloadJson?.exp
+ if (!exp || typeof exp !== 'number') return true
+ const now = Math.floor(Date.now() / 1000)
+ return exp <= now
+ } catch (e) {
+ console.error('瑙ｆ瀽JWT澶辫触:', e)
+ return true
+ }
+}
+
+/**
+ * Base64Url 瑙ｇ爜
+ */
+function decodeBase64Url(input: string): string {
+ // 鏇挎崲URL瀹夊叏瀛楃骞惰ˉ榻�'='
+ let base64 = input.replace(/-/g, '+').replace(/_/g, '/')
+ const pad = base64.length % 4
+ if (pad) {
+ base64 += '='.repeat(4 - pad)
+ }
+ const decoded = atob(base64)
+ // 澶勭悊UTF-8
+ try {
+ return decodeURIComponent(
+ decoded
+ .split('')
+ .map(c => '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2))
+ .join('')
+ )
+ } catch {
+ return decoded
+ }
+}
+
// 娓呴櫎鎵�鏈夎璇佹暟鎹�
export function clearAuth(): void {
removeToken()
--
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