mirror of
https://github.com/langbot-app/LangBot.git
synced 2025-11-25 03:15:06 +08:00
275 lines
9.7 KiB
Python
275 lines
9.7 KiB
Python
import time
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from quart import request
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import base64
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import binascii
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import httpx
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from quart import Quart
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import xml.etree.ElementTree as ET
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from typing import Callable, Dict, Any
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from pkg.platform.types import events as platform_events, message as platform_message
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import aiofiles
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from .qqofficialevent import QQOfficialEvent
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import json
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import hmac
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import base64
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import hashlib
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import traceback
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from cryptography.hazmat.primitives.asymmetric import ed25519
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from .qqofficialevent import QQOfficialEvent
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def handle_validation(body: dict, bot_secret: str):
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# bot正确的secert是32位的,此处仅为了适配演示demo
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while len(bot_secret) < 32:
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bot_secret = bot_secret * 2
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bot_secret = bot_secret[:32]
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# 实际使用场景中以上三行内容可清除
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seed_bytes = bot_secret.encode()
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signing_key = ed25519.Ed25519PrivateKey.from_private_bytes(seed_bytes)
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msg = body['d']['event_ts'] + body['d']['plain_token']
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msg_bytes = msg.encode()
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signature = signing_key.sign(msg_bytes)
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signature_hex = signature.hex()
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response = {
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"plain_token": body['d']['plain_token'],
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"signature": signature_hex
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}
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return response
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class QQOfficialClient:
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def __init__(self, secret: str, token: str, app_id: str):
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self.app = Quart(__name__)
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self.app.add_url_rule(
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"/callback/command",
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"handle_callback",
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self.handle_callback_request,
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methods=["GET", "POST"],
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)
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self.secret = secret
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self.token = token
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self.app_id = app_id
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self._message_handlers = {
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}
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self.base_url = "https://api.sgroup.qq.com"
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self.access_token = ""
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self.access_token_expiry_time = None
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async def check_access_token(self):
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"""检查access_token是否存在"""
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if not self.access_token or await self.is_token_expired():
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return False
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return bool(self.access_token and self.access_token.strip())
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async def get_access_token(self):
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"""获取access_token"""
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url = "https://bots.qq.com/app/getAppAccessToken"
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async with httpx.AsyncClient() as client:
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params = {
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"appId":self.app_id,
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"clientSecret":self.secret,
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}
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headers = {
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"content-type":"application/json",
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}
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try:
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response = await client.post(url,json=params,headers=headers)
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if response.status_code == 200:
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response_data = response.json()
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access_token = response_data.get("access_token")
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expires_in = int(response_data.get("expires_in",7200))
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self.access_token_expiry_time = time.time() + expires_in - 60
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if access_token:
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self.access_token = access_token
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except Exception as e:
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raise Exception(f"获取access_token失败: {e}")
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async def handle_callback_request(self):
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"""处理回调请求"""
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try:
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# 读取请求数据
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body = await request.get_data()
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payload = json.loads(body)
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# 验证是否为回调验证请求
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if payload.get("op") == 13:
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# 生成签名
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response = handle_validation(payload, self.secret)
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return response
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if payload.get("op") == 0:
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message_data = await self.get_message(payload)
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if message_data:
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event = QQOfficialEvent.from_payload(message_data)
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await self._handle_message(event)
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return {"code": 0, "message": "success"}
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except Exception as e:
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traceback.print_exc()
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return {"error": str(e)}, 400
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async def run_task(self, host: str, port: int, *args, **kwargs):
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"""启动 Quart 应用"""
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await self.app.run_task(host=host, port=port, *args, **kwargs)
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def on_message(self, msg_type: str):
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"""注册消息类型处理器"""
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def decorator(func: Callable[[platform_events.Event], None]):
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if msg_type not in self._message_handlers:
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self._message_handlers[msg_type] = []
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self._message_handlers[msg_type].append(func)
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return func
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return decorator
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async def _handle_message(self, event:QQOfficialEvent):
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"""处理消息事件"""
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msg_type = event.t
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if msg_type in self._message_handlers:
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for handler in self._message_handlers[msg_type]:
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await handler(event)
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async def get_message(self,msg:dict) -> Dict[str,Any]:
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"""获取消息"""
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message_data = {
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"t": msg.get("t",{}),
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"user_openid": msg.get("d",{}).get("author",{}).get("user_openid",{}),
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"timestamp": msg.get("d",{}).get("timestamp",{}),
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"d_author_id": msg.get("d",{}).get("author",{}).get("id",{}),
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"content": msg.get("d",{}).get("content",{}),
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"d_id": msg.get("d",{}).get("id",{}),
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"id": msg.get("id",{}),
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"channel_id": msg.get("d",{}).get("channel_id",{}),
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"username": msg.get("d",{}).get("author",{}).get("username",{}),
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"guild_id": msg.get("d",{}).get("guild_id",{}),
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"member_openid": msg.get("d",{}).get("author",{}).get("openid",{}),
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"group_openid": msg.get("d",{}).get("group_openid",{})
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}
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attachments = msg.get("d", {}).get("attachments", [])
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image_attachments = [attachment['url'] for attachment in attachments if await self.is_image(attachment)]
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image_attachments_type = [attachment['content_type'] for attachment in attachments if await self.is_image(attachment)]
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if image_attachments:
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message_data["image_attachments"] = image_attachments[0]
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message_data["content_type"] = image_attachments_type[0]
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else:
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message_data["image_attachments"] = None
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return message_data
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async def is_image(self,attachment:dict) -> bool:
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"""判断是否为图片附件"""
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content_type = attachment.get("content_type","")
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return content_type.startswith("image/")
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async def send_private_text_msg(self,user_openid:str,content:str,msg_id:str):
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"""发送私聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + "/v2/users/" + user_openid + "/messages"
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async with httpx.AsyncClient() as client:
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headers = {
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"Authorization": f"QQBot {self.access_token}",
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"Content-Type": "application/json",
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}
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data = {
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"content": content,
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"msg_type": 0,
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"msg_id": msg_id,
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}
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response = await client.post(url,headers=headers,json=data)
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if response.status_code == 200:
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return
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else:
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raise ValueError(response)
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async def send_group_text_msg(self,group_openid:str,content:str,msg_id:str):
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"""发送群聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + "/v2/groups/" + group_openid + "/messages"
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async with httpx.AsyncClient() as client:
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headers = {
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"Authorization": f"QQBot {self.access_token}",
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"Content-Type": "application/json",
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}
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data = {
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"content": content,
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"msg_type": 0,
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"msg_id": msg_id,
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}
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response = await client.post(url,headers=headers,json=data)
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if response.status_code == 200:
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return
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else:
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raise Exception(response.read().decode())
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async def send_channle_group_text_msg(self,channel_id:str,content:str,msg_id:str):
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"""发送频道群聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + "/channels/" + channel_id + "/messages"
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async with httpx.AsyncClient() as client:
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headers = {
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"Authorization": f"QQBot {self.access_token}",
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"Content-Type": "application/json",
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}
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params = {
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"content": content,
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"msg_type": 0,
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"msg_id": msg_id,
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}
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response = await client.post(url,headers=headers,json=params)
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if response.status_code == 200:
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return True
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else:
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raise Exception(response)
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async def send_channle_private_text_msg(self,guild_id:str,content:str,msg_id:str):
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"""发送频道私聊消息"""
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if not await self.check_access_token():
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await self.get_access_token()
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url = self.base_url + "/dms/" + guild_id + "/messages"
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async with httpx.AsyncClient() as client:
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headers = {
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"Authorization": f"QQBot {self.access_token}",
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"Content-Type": "application/json",
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}
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params = {
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"content": content,
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"msg_type": 0,
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"msg_id": msg_id,
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}
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response = await client.post(url,headers=headers,json=params)
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if response.status_code == 200:
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return True
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else:
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raise Exception(response)
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async def is_token_expired(self):
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"""检查token是否过期"""
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if self.access_token_expiry_time is None:
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return True
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return time.time() > self.access_token_expiry_time
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