mirror of
https://github.com/langbot-app/LangBot.git
synced 2026-06-02 03:55:55 +00:00
493 lines
18 KiB
Python
493 lines
18 KiB
Python
from __future__ import annotations
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import lark_oapi
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from lark_oapi.api.im.v1 import CreateImageRequest, CreateImageRequestBody
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import traceback
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import typing
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import asyncio
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import re
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import base64
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import uuid
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import json
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import datetime
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import hashlib
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from Crypto.Cipher import AES
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import aiohttp
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import lark_oapi.ws.exception
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import quart
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from lark_oapi.api.im.v1 import *
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from .. import adapter
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from ...core import app
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from ..types import message as platform_message
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from ..types import events as platform_events
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from ..types import entities as platform_entities
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class AESCipher(object):
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def __init__(self, key):
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self.bs = AES.block_size
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self.key = hashlib.sha256(AESCipher.str_to_bytes(key)).digest()
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@staticmethod
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def str_to_bytes(data):
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u_type = type(b''.decode('utf8'))
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if isinstance(data, u_type):
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return data.encode('utf8')
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return data
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@staticmethod
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def _unpad(s):
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return s[: -ord(s[len(s) - 1 :])]
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def decrypt(self, enc):
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iv = enc[: AES.block_size]
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cipher = AES.new(self.key, AES.MODE_CBC, iv)
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return self._unpad(cipher.decrypt(enc[AES.block_size :]))
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def decrypt_string(self, enc):
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enc = base64.b64decode(enc)
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return self.decrypt(enc).decode('utf8')
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class LarkMessageConverter(adapter.MessageConverter):
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@staticmethod
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async def yiri2target(
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message_chain: platform_message.MessageChain, api_client: lark_oapi.Client
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) -> typing.Tuple[list]:
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message_elements = []
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pending_paragraph = []
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for msg in message_chain:
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if isinstance(msg, platform_message.Plain):
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# Ensure text is valid UTF-8
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try:
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text = msg.text.encode('utf-8').decode('utf-8')
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pending_paragraph.append({'tag': 'md', 'text': text})
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except UnicodeError:
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# If text is not valid UTF-8, try to decode with other encodings
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try:
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text = msg.text.encode('latin1').decode('utf-8')
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pending_paragraph.append({'tag': 'md', 'text': text})
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except UnicodeError:
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# If still fails, replace invalid characters
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text = msg.text.encode('utf-8', errors='replace').decode('utf-8')
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pending_paragraph.append({'tag': 'md', 'text': text})
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elif isinstance(msg, platform_message.At):
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pending_paragraph.append({'tag': 'at', 'user_id': msg.target, 'style': []})
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elif isinstance(msg, platform_message.AtAll):
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pending_paragraph.append({'tag': 'at', 'user_id': 'all', 'style': []})
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elif isinstance(msg, platform_message.Image):
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image_bytes = None
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if msg.base64:
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try:
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# Remove data URL prefix if present
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if msg.base64.startswith('data:'):
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msg.base64 = msg.base64.split(',', 1)[1]
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image_bytes = base64.b64decode(msg.base64)
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except Exception:
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traceback.print_exc()
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continue
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elif msg.url:
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try:
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async with aiohttp.ClientSession() as session:
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async with session.get(msg.url) as response:
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if response.status == 200:
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image_bytes = await response.read()
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else:
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traceback.print_exc()
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continue
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except Exception:
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traceback.print_exc()
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continue
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elif msg.path:
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try:
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with open(msg.path, 'rb') as f:
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image_bytes = f.read()
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except Exception:
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traceback.print_exc()
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continue
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if image_bytes is None:
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continue
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try:
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# Create a temporary file to store the image bytes
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import tempfile
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with tempfile.NamedTemporaryFile(delete=False) as temp_file:
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temp_file.write(image_bytes)
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temp_file.flush()
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# Create image request using the temporary file
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request = (
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CreateImageRequest.builder()
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.request_body(
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CreateImageRequestBody.builder()
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.image_type('message')
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.image(open(temp_file.name, 'rb'))
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.build()
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)
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.build()
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)
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response = await api_client.im.v1.image.acreate(request)
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if not response.success():
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raise Exception(
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f'client.im.v1.image.create failed, code: {response.code}, msg: {response.msg}, log_id: {response.get_log_id()}, resp: \n{json.dumps(json.loads(response.raw.content), indent=4, ensure_ascii=False)}'
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)
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image_key = response.data.image_key
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message_elements.append(pending_paragraph)
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message_elements.append(
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[
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{
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'tag': 'img',
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'image_key': image_key,
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}
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]
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)
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pending_paragraph = []
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except Exception:
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traceback.print_exc()
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continue
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finally:
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# Clean up the temporary file
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import os
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if 'temp_file' in locals():
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os.unlink(temp_file.name)
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elif isinstance(msg, platform_message.Forward):
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for node in msg.node_list:
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message_elements.extend(await LarkMessageConverter.yiri2target(node.message_chain, api_client))
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if pending_paragraph:
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message_elements.append(pending_paragraph)
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return message_elements
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@staticmethod
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async def target2yiri(
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message: lark_oapi.api.im.v1.model.event_message.EventMessage,
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api_client: lark_oapi.Client,
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) -> platform_message.MessageChain:
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message_content = json.loads(message.content)
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lb_msg_list = []
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msg_create_time = datetime.datetime.fromtimestamp(int(message.create_time) / 1000)
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lb_msg_list.append(platform_message.Source(id=message.message_id, time=msg_create_time))
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if message.message_type == 'text':
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element_list = []
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def text_element_recur(text_ele: dict) -> list[dict]:
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if text_ele['text'] == '':
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return []
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at_pattern = re.compile(r'@_user_[\d]+')
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at_matches = at_pattern.findall(text_ele['text'])
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name_mapping = {}
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for mathc in at_matches:
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for mention in message.mentions:
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if mention.key == mathc:
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name_mapping[mathc] = mention.name
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break
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if len(name_mapping.keys()) == 0:
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return [text_ele]
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# 只处理第一个，剩下的递归处理
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text_split = text_ele['text'].split(list(name_mapping.keys())[0])
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new_list = []
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left_text = text_split[0]
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right_text = text_split[1]
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new_list.extend(text_element_recur({'tag': 'text', 'text': left_text, 'style': []}))
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new_list.append(
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{
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'tag': 'at',
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'user_id': list(name_mapping.keys())[0],
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'user_name': name_mapping[list(name_mapping.keys())[0]],
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'style': [],
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}
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)
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new_list.extend(text_element_recur({'tag': 'text', 'text': right_text, 'style': []}))
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return new_list
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element_list = text_element_recur({'tag': 'text', 'text': message_content['text'], 'style': []})
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message_content = {'title': '', 'content': element_list}
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elif message.message_type == 'post':
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new_list = []
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for ele in message_content['content']:
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if type(ele) is dict:
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new_list.append(ele)
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elif type(ele) is list:
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new_list.extend(ele)
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message_content['content'] = new_list
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elif message.message_type == 'image':
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message_content['content'] = [{'tag': 'img', 'image_key': message_content['image_key'], 'style': []}]
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for ele in message_content['content']:
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if ele['tag'] == 'text':
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lb_msg_list.append(platform_message.Plain(text=ele['text']))
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elif ele['tag'] == 'at':
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lb_msg_list.append(platform_message.At(target=ele['user_name']))
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elif ele['tag'] == 'img':
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image_key = ele['image_key']
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request: GetMessageResourceRequest = (
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GetMessageResourceRequest.builder()
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.message_id(message.message_id)
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.file_key(image_key)
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.type('image')
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.build()
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)
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response: GetMessageResourceResponse = await api_client.im.v1.message_resource.aget(request)
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if not response.success():
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raise Exception(
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f'client.im.v1.message_resource.get failed, code: {response.code}, msg: {response.msg}, log_id: {response.get_log_id()}, resp: \n{json.dumps(json.loads(response.raw.content), indent=4, ensure_ascii=False)}'
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)
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image_bytes = response.file.read()
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image_base64 = base64.b64encode(image_bytes).decode()
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image_format = response.raw.headers['content-type']
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lb_msg_list.append(platform_message.Image(base64=f'data:{image_format};base64,{image_base64}'))
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return platform_message.MessageChain(lb_msg_list)
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class LarkEventConverter(adapter.EventConverter):
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@staticmethod
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async def yiri2target(
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event: platform_events.MessageEvent,
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) -> lark_oapi.im.v1.P2ImMessageReceiveV1:
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pass
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@staticmethod
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async def target2yiri(
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event: lark_oapi.im.v1.P2ImMessageReceiveV1, api_client: lark_oapi.Client
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) -> platform_events.Event:
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message_chain = await LarkMessageConverter.target2yiri(event.event.message, api_client)
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if event.event.message.chat_type == 'p2p':
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return platform_events.FriendMessage(
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sender=platform_entities.Friend(
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id=event.event.sender.sender_id.open_id,
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nickname=event.event.sender.sender_id.union_id,
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remark='',
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),
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message_chain=message_chain,
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time=event.event.message.create_time,
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)
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elif event.event.message.chat_type == 'group':
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return platform_events.GroupMessage(
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sender=platform_entities.GroupMember(
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id=event.event.sender.sender_id.open_id,
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member_name=event.event.sender.sender_id.union_id,
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permission=platform_entities.Permission.Member,
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group=platform_entities.Group(
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id=event.event.message.chat_id,
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name='',
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permission=platform_entities.Permission.Member,
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),
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special_title='',
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join_timestamp=0,
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last_speak_timestamp=0,
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mute_time_remaining=0,
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),
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message_chain=message_chain,
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time=event.event.message.create_time,
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)
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class LarkAdapter(adapter.MessagePlatformAdapter):
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bot: lark_oapi.ws.Client
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api_client: lark_oapi.Client
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bot_account_id: str # 用于在流水线中识别at是否是本bot，直接以bot_name作为标识
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lark_tenant_key: str # 飞书企业key
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message_converter: LarkMessageConverter = LarkMessageConverter()
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event_converter: LarkEventConverter = LarkEventConverter()
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listeners: typing.Dict[
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typing.Type[platform_events.Event],
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typing.Callable[[platform_events.Event, adapter.MessagePlatformAdapter], None],
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] = {}
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config: dict
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quart_app: quart.Quart
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ap: app.Application
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def __init__(self, config: dict, ap: app.Application):
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self.config = config
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self.ap = ap
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self.quart_app = quart.Quart(__name__)
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@self.quart_app.route('/lark/callback', methods=['POST'])
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async def lark_callback():
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try:
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data = await quart.request.json
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self.ap.logger.debug(f'Lark callback event: {data}')
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if 'encrypt' in data:
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cipher = AESCipher(self.config['encrypt-key'])
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data = cipher.decrypt_string(data['encrypt'])
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data = json.loads(data)
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type = data.get('type')
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if type is None:
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context = EventContext(data)
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type = context.header.event_type
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if 'url_verification' == type:
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# todo 验证verification token
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return {'challenge': data.get('challenge')}
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context = EventContext(data)
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type = context.header.event_type
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p2v1 = P2ImMessageReceiveV1()
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p2v1.header = context.header
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event = P2ImMessageReceiveV1Data()
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event.message = EventMessage(context.event['message'])
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event.sender = EventSender(context.event['sender'])
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p2v1.event = event
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p2v1.schema = context.schema
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if 'im.message.receive_v1' == type:
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try:
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event = await self.event_converter.target2yiri(p2v1, self.api_client)
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except Exception:
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traceback.print_exc()
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if event.__class__ in self.listeners:
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await self.listeners[event.__class__](event, self)
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return {'code': 200, 'message': 'ok'}
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except Exception:
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traceback.print_exc()
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return {'code': 500, 'message': 'error'}
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async def on_message(event: lark_oapi.im.v1.P2ImMessageReceiveV1):
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lb_event = await self.event_converter.target2yiri(event, self.api_client)
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await self.listeners[type(lb_event)](lb_event, self)
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def sync_on_message(event: lark_oapi.im.v1.P2ImMessageReceiveV1):
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asyncio.create_task(on_message(event))
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event_handler = (
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lark_oapi.EventDispatcherHandler.builder('', '').register_p2_im_message_receive_v1(sync_on_message).build()
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)
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self.bot_account_id = config['bot_name']
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self.bot = lark_oapi.ws.Client(config['app_id'], config['app_secret'], event_handler=event_handler)
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self.api_client = lark_oapi.Client.builder().app_id(config['app_id']).app_secret(config['app_secret']).build()
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async def send_message(self, target_type: str, target_id: str, message: platform_message.MessageChain):
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pass
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async def reply_message(
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self,
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message_source: platform_events.MessageEvent,
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message: platform_message.MessageChain,
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quote_origin: bool = False,
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):
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# 不再需要了，因为message_id已经被包含到message_chain中
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# lark_event = await self.event_converter.yiri2target(message_source)
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lark_message = await self.message_converter.yiri2target(message, self.api_client)
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final_content = {
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'zh_cn': {
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'title': '',
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'content': lark_message,
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},
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}
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request: ReplyMessageRequest = (
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ReplyMessageRequest.builder()
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.message_id(message_source.message_chain.message_id)
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.request_body(
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ReplyMessageRequestBody.builder()
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.content(json.dumps(final_content))
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.msg_type('post')
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.reply_in_thread(False)
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.uuid(str(uuid.uuid4()))
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.build()
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)
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.build()
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)
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response: ReplyMessageResponse = await self.api_client.im.v1.message.areply(request)
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if not response.success():
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raise Exception(
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f'client.im.v1.message.reply failed, code: {response.code}, msg: {response.msg}, log_id: {response.get_log_id()}, resp: \n{json.dumps(json.loads(response.raw.content), indent=4, ensure_ascii=False)}'
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)
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async def is_muted(self, group_id: int) -> bool:
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return False
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def register_listener(
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self,
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event_type: typing.Type[platform_events.Event],
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callback: typing.Callable[[platform_events.Event, adapter.MessagePlatformAdapter], None],
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):
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self.listeners[event_type] = callback
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def unregister_listener(
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self,
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event_type: typing.Type[platform_events.Event],
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callback: typing.Callable[[platform_events.Event, adapter.MessagePlatformAdapter], None],
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):
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self.listeners.pop(event_type)
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async def run_async(self):
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port = self.config['port']
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enable_webhook = self.config['enable-webhook']
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if not enable_webhook:
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try:
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await self.bot._connect()
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except lark_oapi.ws.exception.ClientException as e:
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raise e
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except Exception as e:
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await self.bot._disconnect()
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if self.bot._auto_reconnect:
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await self.bot._reconnect()
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else:
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raise e
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else:
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async def shutdown_trigger_placeholder():
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while True:
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await asyncio.sleep(1)
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await self.quart_app.run_task(
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host='0.0.0.0',
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port=port,
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shutdown_trigger=shutdown_trigger_placeholder,
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)
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async def kill(self) -> bool:
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return False
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