1

2026-06-15 10:19:24 +08:00
parent fa6543ea54
commit d222291135
1 changed files with 6 additions and 3 deletions
@@ -167,11 +167,14 @@ async def wechat_callback(request: Request, db: AsyncSession = Depends(get_db)):
        
        # 使用 AES-GCM 解密
        try:
-            # API v3 key 和 nonce 需要转换为字节串
+            # 所有参数都需要转换为字节串
            api_v3_key_bytes = api_v3_key.encode('utf-8')
-            nonce_bytes = nonce_str.encode('utf-8')
+            ciphertext_bytes = ciphertext.encode('utf-8') if ciphertext else b''
+            associated_data_bytes = associated_data.encode('utf-8') if associated_data else b''
+            nonce_bytes = nonce_str.encode('utf-8') if nonce_str else b''
+            
            aesgcm = AESGCM(api_v3_key_bytes)
-            decrypted_str = aesgcm.decrypt(ciphertext, associated_data, nonce_bytes)
+            decrypted_str = aesgcm.decrypt(ciphertext_bytes, associated_data_bytes, nonce_bytes)
        except InvalidTag:
            logger.error("WeChat callback decryption failed: Invalid tag")
            raise HTTPException(status_code=400, detail="数据解密失败")