From cae79aac4897fff4547457b52c4f8f1f4ecea623 Mon Sep 17 00:00:00 2001
From: Ethan <code-yi@qq.com>
Date: Mon, 24 Feb 2025 18:09:02 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=BE=AE=E4=BF=A1=E6=B6=88?=
 =?UTF-8?q?=E6=81=AF=E7=B1=BB=E5=9E=8B=2049=EF=BC=88=E8=81=8A=E5=A4=A9?=
 =?UTF-8?q?=E8=AE=B0=E5=BD=95=EF=BC=89=E7=9A=84=E6=94=AF=E6=8C=81=EF=BC=8C?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E5=A4=84=E7=90=86=E8=81=8A=E5=A4=A9=E8=AE=B0?=
 =?UTF-8?q?=E5=BD=95=E7=B1=BB=E5=9E=8B=E7=9A=84=E5=BE=AE=E4=BF=A1=E6=B6=88?=
 =?UTF-8?q?=E6=81=AF=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

微信聊天记录是 xml 数据格式，本质上也是字符串，可以按照字符串Plain类型来处理。
---
 pkg/platform/sources/gewechat.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/pkg/platform/sources/gewechat.py b/pkg/platform/sources/gewechat.py
index 9d3921fc..62f3de7d 100644
--- a/pkg/platform/sources/gewechat.py
+++ b/pkg/platform/sources/gewechat.py
@@ -79,6 +79,32 @@ class GewechatMessageConverter(adapter.MessageConverter):
                 [platform_message.Image(base64=f"data:image/jpeg;base64,{image_base64}")]
             )
 
+        elif message["Data"]["MsgType"] == 49:
+            # 支持微信聊天记录的消息类型，将 XML 内容转换为 MessageChain 传递
+            try:
+                # 首先确保内容是字符串
+                content = message["Data"]["Content"]["string"]
+
+                # 如果内容已经是base64编码，尝试解码
+                try:
+                    # 先将字符串编码为UTF-8字节
+                    content_bytes = content.encode('utf-8')
+                    # 然后进行base64解码
+                    decoded_content = base64.b64decode(content_bytes)
+                    return platform_message.MessageChain(
+                        [platform_message.Unknown(content=decoded_content)]
+                    )
+                except Exception as e:
+                    # 如果解码失败，直接返回原始内容
+                    return platform_message.MessageChain(
+                        [platform_message.Plain(text=content)]
+                    )
+            except Exception as e:
+                print(f"Error processing type 49 message: {str(e)}")
+                return platform_message.MessageChain(
+                    [platform_message.Plain(text="[无法解析的消息]")]
+                )
+
 class GewechatEventConverter(adapter.EventConverter):
     
     @staticmethod