Files
LangBot/src/langbot/pkg/platform/sources/gewechat.py
fdc310 1a3ef217d9 fix: resolve pydantic init error and auto-generate webhook callback URL
- Fix AttributeError by removing self.config assignment before super().__init__()
- Remove callback_base_url from adapter config (no longer needed)
- Add set_webhook_url() method, called by botmgr with auto-built URL
- Add gewechat to webhook URL display list in bot.py
- botmgr now passes webhook_prefix + bot_uuid to adapters via set_webhook_url()

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-22 05:52:50 +08:00

625 lines
27 KiB
Python
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import gewechat_client
import typing
import asyncio
import traceback
import time
import re
import copy
import threading
from langbot.pkg.utils import httpclient
import langbot_plugin.api.definition.abstract.platform.adapter as abstract_platform_adapter
import langbot_plugin.api.entities.builtin.platform.message as platform_message
import langbot_plugin.api.entities.builtin.platform.events as platform_events
import langbot_plugin.api.entities.builtin.platform.entities as platform_entities
from ...utils import image
import xml.etree.ElementTree as ET
from typing import Optional, Tuple
from functools import partial
from ..logger import EventLogger
class GewechatMessageConverter(abstract_platform_adapter.AbstractMessageConverter):
def __init__(self, config: dict):
self.config = config
@staticmethod
async def yiri2target(message_chain: platform_message.MessageChain) -> list[dict]:
content_list = []
for component in message_chain:
if isinstance(component, platform_message.At):
content_list.append({'type': 'at', 'target': component.target})
elif isinstance(component, platform_message.Plain):
content_list.append({'type': 'text', 'content': component.text})
elif isinstance(component, platform_message.Image):
if not component.url:
pass
content_list.append({'type': 'image', 'image': component.url})
elif isinstance(component, platform_message.Voice):
content_list.append({'type': 'voice', 'url': component.url, 'length': component.length})
elif isinstance(component, platform_message.Forward):
for node in component.node_list:
content_list.extend(await GewechatMessageConverter.yiri2target(node.message_chain))
content_list.append({'type': 'image', 'image': component.url})
elif isinstance(component, platform_message.WeChatMiniPrograms):
content_list.append(
{
'type': 'WeChatMiniPrograms',
'mini_app_id': component.mini_app_id,
'display_name': component.display_name,
'page_path': component.page_path,
'cover_img_url': component.image_url,
'title': component.title,
'user_name': component.user_name,
}
)
elif isinstance(component, platform_message.WeChatForwardMiniPrograms):
content_list.append(
{
'type': 'WeChatForwardMiniPrograms',
'xml_data': component.xml_data,
'image_url': component.image_url,
}
)
elif isinstance(component, platform_message.WeChatEmoji):
content_list.append(
{
'type': 'WeChatEmoji',
'emoji_md5': component.emoji_md5,
'emoji_size': component.emoji_size,
}
)
elif isinstance(component, platform_message.WeChatLink):
content_list.append(
{
'type': 'WeChatLink',
'link_title': component.link_title,
'link_desc': component.link_desc,
'link_thumb_url': component.link_thumb_url,
'link_url': component.link_url,
}
)
elif isinstance(component, platform_message.WeChatForwardLink):
content_list.append({'type': 'WeChatForwardLink', 'xml_data': component.xml_data})
elif isinstance(component, platform_message.WeChatForwardImage):
content_list.append({'type': 'WeChatForwardImage', 'xml_data': component.xml_data})
elif isinstance(component, platform_message.WeChatForwardFile):
content_list.append({'type': 'WeChatForwardFile', 'xml_data': component.xml_data})
elif isinstance(component, platform_message.WeChatAppMsg):
content_list.append({'type': 'WeChatAppMsg', 'app_msg': component.app_msg})
elif isinstance(component, platform_message.WeChatForwardQuote):
content_list.append({'type': 'WeChatAppMsg', 'app_msg': component.app_msg})
elif isinstance(component, platform_message.Forward):
for node in component.node_list:
if node.message_chain:
content_list.extend(await GewechatMessageConverter.yiri2target(node.message_chain))
return content_list
async def target2yiri(self, message: dict, bot_account_id: str) -> platform_message.MessageChain:
message_list = []
ats_bot = False
content = message['Data']['Content']['string']
content_no_preifx = content
is_group_message = self._is_group_message(message)
if is_group_message:
ats_bot = self._ats_bot(message, bot_account_id)
if '@所有人' in content:
message_list.append(platform_message.AtAll())
elif ats_bot:
message_list.append(platform_message.At(target=bot_account_id))
content_no_preifx, _ = self._extract_content_and_sender(content)
msg_type = message['Data']['MsgType']
handler_map = {
1: self._handler_text,
3: self._handler_image,
34: self._handler_voice,
49: self._handler_compound,
}
handler = handler_map.get(msg_type, self._handler_default)
handler_result = await handler(
message=message,
content_no_preifx=content_no_preifx,
)
if handler_result and len(handler_result) > 0:
message_list.extend(handler_result)
return platform_message.MessageChain(message_list)
async def _handler_text(self, message: Optional[dict], content_no_preifx: str) -> platform_message.MessageChain:
if message and self._is_group_message(message):
pattern = r'@\S{1,20}'
content_no_preifx = re.sub(pattern, '', content_no_preifx)
return platform_message.MessageChain([platform_message.Plain(content_no_preifx)])
async def _handler_image(self, message: Optional[dict], content_no_preifx: str) -> platform_message.MessageChain:
try:
image_xml = content_no_preifx
if not image_xml:
return platform_message.MessageChain([platform_message.Unknown('[图片内容为空]')])
base64_str, image_format = await image.get_gewechat_image_base64(
gewechat_url=self.config['gewechat_url'],
gewechat_file_url=self.config['gewechat_file_url'],
app_id=self.config['app_id'],
xml_content=image_xml,
token=self.config['token'],
image_type=2,
)
elements = [
platform_message.Image(base64=f'data:image/{image_format};base64,{base64_str}'),
platform_message.WeChatForwardImage(xml_data=image_xml),
]
return platform_message.MessageChain(elements)
except Exception as e:
print(f'处理图片失败: {str(e)}')
return platform_message.MessageChain([platform_message.Unknown('[图片处理失败]')])
async def _handler_voice(self, message: Optional[dict], content_no_preifx: str) -> platform_message.MessageChain:
message_List = []
try:
audio_base64 = message['Data']['ImgBuf']['buffer']
if not audio_base64:
message_List.append(platform_message.Unknown(text='[语音内容为空]'))
return platform_message.MessageChain(message_List)
voice_element = platform_message.Voice(base64=f'data:audio/silk;base64,{audio_base64}')
message_List.append(voice_element)
except KeyError as e:
print(f'语音数据字段缺失: {str(e)}')
message_List.append(platform_message.Unknown(text='[语音数据解析失败]'))
except Exception as e:
print(f'处理语音消息异常: {str(e)}')
message_List.append(platform_message.Unknown(text='[语音处理失败]'))
return platform_message.MessageChain(message_List)
async def _handler_compound(self, message: Optional[dict], content_no_preifx: str) -> platform_message.MessageChain:
try:
xml_data = ET.fromstring(content_no_preifx)
appmsg_data = xml_data.find('.//appmsg')
if appmsg_data:
data_type = appmsg_data.findtext('.//type', '')
sub_handler_map = {
'57': self._handler_compound_quote,
'5': self._handler_compound_link,
'6': self._handler_compound_file,
'33': self._handler_compound_mini_program,
'36': self._handler_compound_mini_program,
'2000': partial(self._handler_compound_unsupported, text='[转账消息]'),
'2001': partial(self._handler_compound_unsupported, text='[红包消息]'),
'51': partial(self._handler_compound_unsupported, text='[视频号消息]'),
}
handler = sub_handler_map.get(data_type, self._handler_compound_unsupported)
return await handler(
message=message,
xml_data=xml_data,
)
else:
return platform_message.MessageChain([platform_message.Unknown(text=content_no_preifx)])
except Exception as e:
print(f'解析复合消息失败: {str(e)}')
return platform_message.MessageChain([platform_message.Unknown(text=content_no_preifx)])
async def _handler_compound_quote(
self, message: Optional[dict], xml_data: ET.Element
) -> platform_message.MessageChain:
message_list = []
appmsg_data = xml_data.find('.//appmsg')
quote_data = ''
user_data = ''
sender_id = xml_data.findtext('.//fromusername')
if appmsg_data:
user_data = appmsg_data.findtext('.//title') or ''
quote_data = appmsg_data.find('.//refermsg').findtext('.//content')
message_list.append(
platform_message.WeChatForwardQuote(app_msg=ET.tostring(appmsg_data, encoding='unicode'))
)
if quote_data:
quote_data_message_list = platform_message.MessageChain()
try:
if '<msg>' not in quote_data:
quote_data_message_list.append(platform_message.Plain(quote_data))
else:
quote_data_xml = ET.fromstring(quote_data)
if quote_data_xml.find('img'):
quote_data_message_list.extend(await self._handler_image(None, quote_data))
elif quote_data_xml.find('voicemsg'):
quote_data_message_list.extend(await self._handler_voice(None, quote_data))
elif quote_data_xml.find('videomsg'):
quote_data_message_list.extend(await self._handler_default(None, quote_data))
else:
quote_data_message_list.extend(await self._handler_compound(None, quote_data))
except Exception as e:
print(f'处理引用消息异常 expcetion:{e}')
quote_data_message_list.append(platform_message.Plain(quote_data))
message_list.append(
platform_message.Quote(
sender_id=sender_id,
origin=quote_data_message_list,
)
)
if len(user_data) > 0:
pattern = r'@\S{1,20}'
user_data = re.sub(pattern, '', user_data)
message_list.append(platform_message.Plain(user_data))
return platform_message.MessageChain(message_list)
async def _handler_compound_file(self, message: dict, xml_data: ET.Element) -> platform_message.MessageChain:
xml_data_str = ET.tostring(xml_data, encoding='unicode')
return platform_message.MessageChain([platform_message.WeChatForwardFile(xml_data=xml_data_str)])
async def _handler_compound_link(self, message: dict, xml_data: ET.Element) -> platform_message.MessageChain:
message_list = []
try:
appmsg = xml_data.find('.//appmsg')
if appmsg is None:
return platform_message.MessageChain()
message_list.append(
platform_message.WeChatLink(
link_title=appmsg.findtext('title', ''),
link_desc=appmsg.findtext('des', ''),
link_url=appmsg.findtext('url', ''),
link_thumb_url=appmsg.findtext('thumburl', ''),
)
)
xml_data_str = ET.tostring(xml_data, encoding='unicode')
message_list.append(platform_message.WeChatForwardLink(xml_data=xml_data_str))
except Exception as e:
print(f'解析链接消息失败: {str(e)}')
return platform_message.MessageChain(message_list)
async def _handler_compound_mini_program(
self, message: dict, xml_data: ET.Element
) -> platform_message.MessageChain:
xml_data_str = ET.tostring(xml_data, encoding='unicode')
return platform_message.MessageChain([platform_message.WeChatForwardMiniPrograms(xml_data=xml_data_str)])
async def _handler_default(self, message: Optional[dict], content_no_preifx: str) -> platform_message.MessageChain:
if message:
msg_type = message['Data']['MsgType']
else:
msg_type = ''
return platform_message.MessageChain([platform_message.Unknown(text=f'[未知消息类型 msg_type:{msg_type}]')])
def _handler_compound_unsupported(
self, message: dict, xml_data: str, text: Optional[str] = None
) -> platform_message.MessageChain:
if not text:
text = f'[xml_data={xml_data}]'
content_list = []
content_list.append(platform_message.Unknown(text=f'[处理未支持复合消息类型[msg_type=49]|{text}'))
return platform_message.MessageChain(content_list)
def _ats_bot(self, message: dict, bot_account_id: str) -> bool:
ats_bot = False
try:
to_user_name = message['Wxid']
raw_content = message['Data']['Content']['string']
content_no_prefix, _ = self._extract_content_and_sender(raw_content)
push_content = message.get('Data', {}).get('PushContent', '')
ats_bot = ats_bot or ('在群聊中@了你' in push_content)
msg_source = message.get('Data', {}).get('MsgSource', '') or ''
if len(msg_source) > 0:
msg_source_data = ET.fromstring(msg_source)
at_user_list = msg_source_data.findtext('atuserlist') or ''
ats_bot = ats_bot or (to_user_name in at_user_list)
if message.get('Data', {}).get('MsgType', 0) == 49:
xml_data = ET.fromstring(content_no_prefix)
appmsg_data = xml_data.find('.//appmsg')
tousername = message['Wxid']
if appmsg_data:
quote_id = appmsg_data.find('.//refermsg').findtext('.//chatusr')
ats_bot = ats_bot or (quote_id == tousername)
except Exception as e:
print(f'Error in gewechat _ats_bot: {e}')
finally:
return ats_bot
def _extract_content_and_sender(self, raw_content: str) -> Tuple[str, Optional[str]]:
try:
regex = re.compile(r'^[a-zA-Z0-9_\-]{5,20}:')
line_split = raw_content.split('\n')
if len(line_split) > 0 and regex.match(line_split[0]):
raw_content = '\n'.join(line_split[1:])
sender_id = line_split[0].strip(':')
return raw_content, sender_id
except Exception as e:
print(f'_extract_content_and_sender got except: {e}')
finally:
return raw_content, None
def _is_group_message(self, message: dict) -> bool:
from_user_name = message['Data']['FromUserName']['string']
return from_user_name.endswith('@chatroom')
class GewechatEventConverter(abstract_platform_adapter.AbstractEventConverter):
def __init__(self, config: dict):
self.config = config
self.message_converter = GewechatMessageConverter(config)
@staticmethod
async def yiri2target(event: platform_events.MessageEvent) -> dict:
pass
async def target2yiri(self, event: dict, bot_account_id: str) -> platform_events.MessageEvent:
if event['Wxid'] == event['Data']['FromUserName']['string']:
return None
if event['Data']['FromUserName']['string'].startswith('gh_') or event['Data']['FromUserName'][
'string'
].startswith('weixin'):
return None
message_chain = await self.message_converter.target2yiri(copy.deepcopy(event), bot_account_id)
if not message_chain:
return None
if '@chatroom' in event['Data']['FromUserName']['string']:
sender_wxid = event['Data']['Content']['string'].split(':')[0]
return platform_events.GroupMessage(
sender=platform_entities.GroupMember(
id=sender_wxid,
member_name=event['Data']['FromUserName']['string'],
permission=platform_entities.Permission.Member,
group=platform_entities.Group(
id=event['Data']['FromUserName']['string'],
name=event['Data']['FromUserName']['string'],
permission=platform_entities.Permission.Member,
),
special_title='',
),
message_chain=message_chain,
time=event['Data']['CreateTime'],
source_platform_object=event,
)
else:
return platform_events.FriendMessage(
sender=platform_entities.Friend(
id=event['Data']['FromUserName']['string'],
nickname=event['Data']['FromUserName']['string'],
remark='',
),
message_chain=message_chain,
time=event['Data']['CreateTime'],
source_platform_object=event,
)
class GeWeChatAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
bot: gewechat_client.GewechatClient = None
bot_uuid: str = None
webhook_url: str = None
message_converter: GewechatMessageConverter = None
event_converter: GewechatEventConverter = None
listeners: typing.Dict[
typing.Type[platform_events.Event],
typing.Callable[[platform_events.Event, abstract_platform_adapter.AbstractMessagePlatformAdapter], None],
] = {}
def __init__(self, config: dict, logger: EventLogger):
super().__init__(
config=config,
logger=logger,
)
self.message_converter = GewechatMessageConverter(config)
self.event_converter = GewechatEventConverter(config)
def set_bot_uuid(self, bot_uuid: str):
self.bot_uuid = bot_uuid
def set_webhook_url(self, webhook_url: str):
self.webhook_url = webhook_url
async def handle_unified_webhook(self, bot_uuid: str, path: str, request):
data = await request.json
await self.logger.debug(f'Gewechat callback event: {data}')
if 'data' in data:
data['Data'] = data['data']
if 'type_name' in data:
data['TypeName'] = data['type_name']
if 'testMsg' in data:
return 'ok'
elif 'TypeName' in data and data['TypeName'] == 'AddMsg':
try:
event = await self.event_converter.target2yiri(data.copy(), self.bot_account_id)
except Exception:
await self.logger.error(f'Error in gewechat callback: {traceback.format_exc()}')
return 'ok'
if event and event.__class__ in self.listeners:
await self.listeners[event.__class__](event, self)
return 'ok'
return 'ok'
async def _handle_message(self, message: platform_message.MessageChain, target_id: str):
content_list = await self.message_converter.yiri2target(message)
at_targets = [item['target'] for item in content_list if item['type'] == 'at']
at_targets = at_targets or []
member_info = []
if at_targets:
member_info = self.bot.get_chatroom_member_detail(self.config['app_id'], target_id, at_targets[::-1])[
'data'
]
for msg in content_list:
if msg['type'] == 'text' and at_targets:
for member in member_info:
msg['content'] = f'@{member["nickName"]} {msg["content"]}'
handler_map = {
'text': lambda msg: self.bot.post_text(
app_id=self.config['app_id'],
to_wxid=target_id,
content=msg['content'],
ats=','.join(at_targets),
),
'image': lambda msg: self.bot.post_image(
app_id=self.config['app_id'],
to_wxid=target_id,
img_url=msg['image'],
),
'WeChatForwardMiniPrograms': lambda msg: self.bot.forward_mini_app(
app_id=self.config['app_id'],
to_wxid=target_id,
xml=msg['xml_data'],
cover_img_url=msg.get('image_url'),
),
'WeChatEmoji': lambda msg: self.bot.post_emoji(
app_id=self.config['app_id'],
to_wxid=target_id,
emoji_md5=msg['emoji_md5'],
emoji_size=msg['emoji_size'],
),
'WeChatLink': lambda msg: self.bot.post_link(
app_id=self.config['app_id'],
to_wxid=target_id,
title=msg['link_title'],
desc=msg['link_desc'],
link_url=msg['link_url'],
thumb_url=msg['link_thumb_url'],
),
'WeChatMiniPrograms': lambda msg: self.bot.post_mini_app(
app_id=self.config['app_id'],
to_wxid=target_id,
mini_app_id=msg['mini_app_id'],
display_name=msg['display_name'],
page_path=msg['page_path'],
cover_img_url=msg['cover_img_url'],
title=msg['title'],
user_name=msg['user_name'],
),
'WeChatForwardLink': lambda msg: self.bot.forward_url(
app_id=self.config['app_id'], to_wxid=target_id, xml=msg['xml_data']
),
'WeChatForwardImage': lambda msg: self.bot.forward_image(
app_id=self.config['app_id'], to_wxid=target_id, xml=msg['xml_data']
),
'WeChatForwardFile': lambda msg: self.bot.forward_file(
app_id=self.config['app_id'], to_wxid=target_id, xml=msg['xml_data']
),
'voice': lambda msg: self.bot.post_voice(
app_id=self.config['app_id'],
to_wxid=target_id,
voice_url=msg['url'],
voice_duration=msg['length'],
),
'WeChatAppMsg': lambda msg: self.bot.post_app_msg(
app_id=self.config['app_id'],
to_wxid=target_id,
appmsg=msg['app_msg'],
),
'at': lambda msg: None,
}
if handler := handler_map.get(msg['type']):
handler(msg)
else:
await self.logger.warning(f'未处理的消息类型: {msg["type"]}')
continue
async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
return await self._handle_message(message, target_id)
async def reply_message(
self,
message_source: platform_events.MessageEvent,
message: platform_message.MessageChain,
quote_origin: bool = False,
):
if message_source.source_platform_object:
target_id = message_source.source_platform_object['Data']['FromUserName']['string']
return await self._handle_message(message, target_id)
async def is_muted(self, group_id: int) -> bool:
pass
def register_listener(
self,
event_type: typing.Type[platform_events.Event],
callback: typing.Callable[
[platform_events.Event, abstract_platform_adapter.AbstractMessagePlatformAdapter], None
],
):
self.listeners[event_type] = callback
def unregister_listener(
self,
event_type: typing.Type[platform_events.Event],
callback: typing.Callable[
[platform_events.Event, abstract_platform_adapter.AbstractMessagePlatformAdapter], None
],
):
pass
def _build_callback_url(self) -> str:
if self.webhook_url:
return self.webhook_url
raise Exception('webhook_url 未设置,请检查 LangBot 的 api.webhook_prefix 配置')
async def run_async(self):
if not self.config['token']:
session = httpclient.get_session()
async with session.post(
f'{self.config["gewechat_url"]}/v2/api/tools/getTokenId',
json={'app_id': self.config['app_id']},
) as response:
if response.status != 200:
raise Exception(f'获取gewechat token失败: {await response.text()}')
self.config['token'] = (await response.json())['data']
self.bot = gewechat_client.GewechatClient(f'{self.config["gewechat_url"]}/v2/api', self.config['token'])
def gewechat_login_process():
app_id, error_msg = self.bot.login(self.config['app_id'])
if error_msg:
raise Exception(f'Gewechat 登录失败: {error_msg}')
self.config['app_id'] = app_id
print(f'Gewechat 登录成功app_id: {app_id}')
profile = self.bot.get_profile(self.config['app_id'])
self.bot_account_id = profile['data']['nickName']
time.sleep(2)
try:
callback_url = self._build_callback_url()
self.bot.set_callback(self.config['token'], callback_url)
print(f'Gewechat 回调地址已设置: {callback_url}')
except Exception as e:
raise Exception(f'设置 Gewechat 回调失败token失效{e}')
threading.Thread(target=gewechat_login_process).start()
# 统一 webhook 模式下,不启动独立的 HTTP 服务
# 保持适配器运行
while True:
await asyncio.sleep(1)
async def kill(self) -> bool:
return False