1

2026-06-15 10:21:28 +08:00
parent d222291135
commit 20d4b8d422
1 changed files with 7 additions and 3 deletions
@@ -167,11 +167,15 @@ async def wechat_callback(request: Request, db: AsyncSession = Depends(get_db)):
        
        # 使用 AES-GCM 解密
        try:
-            # 所有参数都需要转换为字节串
+            # API v3 key 需要转换为字节串
            api_v3_key_bytes = api_v3_key.encode('utf-8')
-            ciphertext_bytes = ciphertext.encode('utf-8') if ciphertext else b''
+            
+            # ciphertext 和 nonce 是 Base64 编码的，需要解码
+            ciphertext_bytes = b64decode(ciphertext) if ciphertext else b''
+            nonce_bytes = b64decode(nonce_str) if nonce_str else b''
+            
+            # associated_data 是字符串，直接编码
            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_bytes, associated_data_bytes, nonce_bytes)