From 9f8e2ca57ba644573a0165085de34e449fce91de Mon Sep 17 00:00:00 2001
From: zy <276996223@qq.com>
Date: Tue, 11 Feb 2025 13:58:14 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=8F=E7=A8=8B=E5=BA=8F=E6=B6=88=E6=81=AF?=
 =?UTF-8?q?=E6=8E=A8=E9=80=81token?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../service/weixin/TokenValidatorService.java | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/weixin/TokenValidatorService.java

diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/weixin/TokenValidatorService.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/weixin/TokenValidatorService.java
new file mode 100644
index 0000000..1477435
--- /dev/null
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/weixin/TokenValidatorService.java
@@ -0,0 +1,38 @@
+package cn.iocoder.yudao.module.system.service.weixin;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+public class TokenValidatorService {
+    public static boolean validateToken(String token, String signature, String timestamp, String nonce) {
+        String[] arr = new String[]{token, timestamp, nonce};
+        // 对 token、timestamp 和 nonce 按字典序排序
+        Arrays.sort(arr);
+        StringBuilder content = new StringBuilder();
+        for (String s : arr) {
+            content.append(s);
+        }
+        String tempStr = sha1Encode(content.toString());
+        // 将加密后的字符串与 signature 进行对比
+        return tempStr!= null && tempStr.equals(signature);
+    }
+    private static String sha1Encode(String str) {
+        try {
+            MessageDigest digest = MessageDigest.getInstance("SHA-1");
+            digest.update(str.getBytes());
+            byte[] bytes = digest.digest();
+            StringBuilder hexStr = new StringBuilder();
+            for (byte b : bytes) {
+                String hex = Integer.toHexString(0xFF & b);
+                if (hex.length() == 1) {
+                    hexStr.append('0');
+                }
+                hexStr.append(hex);
+            }
+            return hexStr.toString();
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}
\ No newline at end of file