gx数据

@@ -146,14 +146,24 @@ class PayStripeApi
         try {
             // Webhook 签名密钥（从 Stripe 仪表盘获取）
             $endpointSecret = 'whsec_garhW2TrCIrduyM3rve9mFS2sn69B9Yt';
+            @file_put_contents(storage_path('logs/lyh_error.log'), var_export($endpointSecret, true) . PHP_EOL, FILE_APPEND);
             // 获取原始请求内容
             $payload = request()->getContent();
+            @file_put_contents(storage_path('logs/lyh_error.log'), var_export($payload, true) . PHP_EOL, FILE_APPEND);
             // 获取 Stripe 签名头
             $sigHeader = request()->header('Stripe-Signature');
+            @file_put_contents(storage_path('logs/lyh_error.log'), var_export($sigHeader, true) . PHP_EOL, FILE_APPEND);
             // 验证签名
             if (!self::verifySignature($payload, $sigHeader, $endpointSecret)) {
-                http_response_code(400);
-                throw new \Exception('Invalid signature');
+                return [
+                    'code' => '201',
+                    'message' => 'Invalid signature',
+                    'details' => [
+                        'payload' => $payload,
+                        'sigHeader' => $sigHeader,
+                        'endpointSecret' => $endpointSecret,
+                    ],
+                ]; // 返回 400 Bad Request 状态码;
             }
             $event = json_decode($payload, true);
             // 获取事件类型
@@ -193,14 +203,23 @@ class PayStripeApi
      */
     public static function verifySignature($payload, $sigHeader, $endpointSecret)
     {
-        // 获取 Stripe 签名
-        $signatures = [];
-        if (preg_match_all('/t=\d+,v1=([a-f0-9]+)/', $sigHeader, $matches)) {
-            $signatures = $matches[1];
+        // 解析 Signature Header，获取 timestamp 和签名
+        if (!preg_match('/t=(\d+),v1=([a-f0-9]+)/', $sigHeader, $matches)) {
+            return false; // 签名格式错误
         }
-        // 计算签名哈希值
-        $expectedSignature = hash_hmac('sha256', $payload, $endpointSecret);
-        return in_array($expectedSignature, $signatures, true);
+        $timestamp = $matches[1]; // 提取时间戳
+        $receivedSignature = $matches[2]; // 提取签名
+        // 防止重放攻击：检查时间戳是否在 5 分钟以内
+        $currentTimestamp = time();
+        if (abs($currentTimestamp - $timestamp) > 300) {
+            return false; // 签名过期
+        }
+        // 计算预期签名
+        $signedPayload = "{$timestamp}.{$payload}";
+        $expectedSignature = hash_hmac('sha256', $signedPayload, $endpointSecret);
+        // 比较签名是否匹配
+        return hash_equals($expectedSignature, $receivedSignature);
     }
 
+
 }