mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-24 17:15:05 +08:00
665 lines
20 KiB
Python
665 lines
20 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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CQHTTP (OneBot) v11 协议适配
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============================
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协议详情请看: `CQHTTP`_ | `OneBot`_
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.. _CQHTTP:
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http://cqhttp.cc/
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.. _OneBot:
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https://github.com/howmanybots/onebot
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"""
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import re
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import sys
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import asyncio
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import httpx
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from nonebot.log import logger
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from nonebot.config import Config
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from nonebot.message import handle_event
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from nonebot.typing import Any, Dict, Union, Tuple, Iterable, Optional
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from nonebot.exception import NetworkError, ActionFailed, ApiNotAvailable
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from nonebot.typing import overrides, Driver, WebSocket, NoReturn
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from nonebot.adapters import BaseBot, BaseEvent, BaseMessage, BaseMessageSegment
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def log(level: str, message: str):
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return logger.opt(colors=True).log(level, "<m>CQHTTP</m> | " + message)
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def escape(s: str, *, escape_comma: bool = True) -> str:
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"""
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对字符串进行 CQ 码转义。
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``escape_comma`` 参数控制是否转义逗号（``,``）。
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"""
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s = s.replace("&", "&") \
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.replace("[", "[") \
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.replace("]", "]")
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if escape_comma:
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s = s.replace(",", ",")
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return s
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def unescape(s: str) -> str:
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"""对字符串进行 CQ 码去转义。"""
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return s.replace(",", ",") \
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.replace("[", "[") \
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.replace("]", "]") \
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.replace("&", "&")
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def _b2s(b: Optional[bool]) -> Optional[str]:
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return b if b is None else str(b).lower()
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async def _check_reply(bot: "Bot", event: "Event"):
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if event.type != "message":
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return
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try:
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index = list(map(lambda x: x.type == "reply",
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event.message)).index(True)
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except ValueError:
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return
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msg_seg = event.message[index]
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event.reply = await bot.get_msg(message_id=msg_seg.data["id"])
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if event.reply["sender"]["user_id"] == event.self_id:
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event.to_me = True
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del event.message[index]
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def _check_at_me(bot: "Bot", event: "Event"):
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if event.type != "message":
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return
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if event.detail_type == "private":
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event.to_me = True
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else:
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at_me_seg = MessageSegment.at(event.self_id)
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# check the first segment
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first_msg_seg = event.message[0]
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if first_msg_seg == at_me_seg:
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event.to_me = True
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del event.message[0]
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if event.message[0].type == "text":
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event.message[0].data["text"] = event.message[0].data[
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"text"].lstrip()
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if not event.message[0].data["text"]:
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del event.message[0]
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if event.message[0] == at_me_seg:
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del event.message[0]
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if event.message[0].type == "text":
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event.message[0].data["text"] = event.message[0].data[
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"text"].lstrip()
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if not event.message[0].data["text"]:
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del event.message[0]
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if not event.to_me:
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# check the last segment
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i = -1
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last_msg_seg = event.message[i]
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if last_msg_seg.type == "text" and \
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not last_msg_seg.data["text"].strip() and \
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len(event.message) >= 2:
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i -= 1
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last_msg_seg = event.message[i]
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if last_msg_seg == at_me_seg:
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event.to_me = True
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del event.message[i:]
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if not event.message:
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event.message.append(MessageSegment.text(""))
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def _check_nickname(bot: "Bot", event: "Event"):
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if event.type != "message":
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return
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first_msg_seg = event.message[0]
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if first_msg_seg.type != "text":
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return
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first_text = first_msg_seg.data["text"]
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if bot.config.NICKNAME:
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# check if the user is calling me with my nickname
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if isinstance(bot.config.NICKNAME, str) or \
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not isinstance(bot.config.NICKNAME, Iterable):
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nicknames = (bot.config.NICKNAME,)
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else:
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nicknames = filter(lambda n: n, bot.config.NICKNAME)
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nickname_regex = "|".join(nicknames)
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m = re.search(rf"^({nickname_regex})([\s,，]*|$)", first_text,
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re.IGNORECASE)
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if m:
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nickname = m.group(1)
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log("DEBUG", f"User is calling me {nickname}")
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event.to_me = True
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first_msg_seg.data["text"] = first_text[m.end():]
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def _handle_api_result(result: Optional[Dict[str, Any]]) -> Any:
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if isinstance(result, dict):
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if result.get("status") == "failed":
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raise ActionFailed(retcode=result.get("retcode"))
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return result.get("data")
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class ResultStore:
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_seq = 1
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_futures: Dict[int, asyncio.Future] = {}
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@classmethod
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def get_seq(cls) -> int:
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s = cls._seq
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cls._seq = (cls._seq + 1) % sys.maxsize
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return s
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@classmethod
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def add_result(cls, result: Dict[str, Any]):
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if isinstance(result.get("echo"), dict) and \
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isinstance(result["echo"].get("seq"), int):
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future = cls._futures.get(result["echo"]["seq"])
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if future:
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future.set_result(result)
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@classmethod
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async def fetch(cls, seq: int, timeout: Optional[float]) -> Dict[str, Any]:
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future = asyncio.get_event_loop().create_future()
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cls._futures[seq] = future
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try:
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return await asyncio.wait_for(future, timeout)
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except asyncio.TimeoutError:
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raise NetworkError("WebSocket API call timeout") from None
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finally:
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del cls._futures[seq]
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class Bot(BaseBot):
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def __init__(self,
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driver: Driver,
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connection_type: str,
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config: Config,
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self_id: str,
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*,
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websocket: WebSocket = None):
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if connection_type not in ["http", "websocket"]:
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raise ValueError("Unsupported connection type")
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super().__init__(driver,
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connection_type,
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config,
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self_id,
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websocket=websocket)
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@property
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@overrides(BaseBot)
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def type(self) -> str:
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return "cqhttp"
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@overrides(BaseBot)
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async def handle_message(self, message: dict):
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if not message:
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return
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if "post_type" not in message:
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ResultStore.add_result(message)
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return
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try:
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event = Event(message)
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# Check whether user is calling me
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await _check_reply(self, event)
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_check_at_me(self, event)
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_check_nickname(self, event)
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await handle_event(self, event)
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except Exception as e:
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logger.opt(colors=True, exception=e).error(
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f"<r><bg #f8bbd0>Failed to handle event. Raw: {message}</bg #f8bbd0></r>"
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)
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@overrides(BaseBot)
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async def call_api(self, api: str, **data) -> Union[Any, NoReturn]:
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if "self_id" in data:
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self_id = data.pop("self_id")
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if self_id:
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bot = self.driver.bots[str(self_id)]
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return await bot.call_api(api, **data)
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log("DEBUG", f"Calling API <y>{api}</y>")
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if self.connection_type == "websocket":
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seq = ResultStore.get_seq()
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await self.websocket.send({
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"action": api,
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"params": data,
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"echo": {
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"seq": seq
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}
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})
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return _handle_api_result(await ResultStore.fetch(
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seq, self.config.api_timeout))
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elif self.connection_type == "http":
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api_root = self.config.api_root.get(self.self_id)
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if not api_root:
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raise ApiNotAvailable
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elif not api_root.endswith("/"):
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api_root += "/"
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headers = {}
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if self.config.access_token is not None:
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headers["Authorization"] = "Bearer " + self.config.access_token
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try:
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async with httpx.AsyncClient(headers=headers) as client:
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response = await client.post(
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api_root + api,
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json=data,
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timeout=self.config.api_timeout)
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if 200 <= response.status_code < 300:
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result = response.json()
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return _handle_api_result(result)
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raise NetworkError(f"HTTP request received unexpected "
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f"status code: {response.status_code}")
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except httpx.InvalidURL:
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raise NetworkError("API root url invalid")
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except httpx.HTTPError:
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raise NetworkError("HTTP request failed")
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@overrides(BaseBot)
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async def send(self, event: "Event", message: Union[str, "Message",
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"MessageSegment"],
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**kwargs) -> Union[Any, NoReturn]:
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msg = message if isinstance(message, Message) else Message(message)
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at_sender = kwargs.pop("at_sender", False) and bool(event.user_id)
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params = {}
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if event.user_id:
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params["user_id"] = event.user_id
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if event.group_id:
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params["group_id"] = event.group_id
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params.update(kwargs)
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if "message_type" not in params:
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if "group_id" in params:
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params["message_type"] = "group"
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elif "user_id" in params:
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params["message_type"] = "private"
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else:
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raise ValueError("Cannot guess message type to reply!")
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if at_sender and params["message_type"] != "private":
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params["message"] = MessageSegment.at(params["user_id"]) + \
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MessageSegment.text(" ") + msg
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else:
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params["message"] = msg
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return await self.send_msg(**params)
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class Event(BaseEvent):
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def __init__(self, raw_event: dict):
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if "message" in raw_event:
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raw_event["message"] = Message(raw_event["message"])
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super().__init__(raw_event)
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@property
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@overrides(BaseEvent)
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def id(self) -> Optional[int]:
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return self._raw_event.get("message_id") or self._raw_event.get("flag")
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@property
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@overrides(BaseEvent)
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def name(self) -> str:
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n = self.type + "." + self.detail_type
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if self.sub_type:
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n += "." + self.sub_type
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return n
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@property
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@overrides(BaseEvent)
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def self_id(self) -> str:
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return str(self._raw_event["self_id"])
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@property
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@overrides(BaseEvent)
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def time(self) -> int:
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return self._raw_event["time"]
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@property
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@overrides(BaseEvent)
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def type(self) -> str:
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return self._raw_event["post_type"]
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@type.setter
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@overrides(BaseEvent)
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def type(self, value) -> None:
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self._raw_event["post_type"] = value
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@property
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@overrides(BaseEvent)
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def detail_type(self) -> str:
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return self._raw_event[f"{self.type}_type"]
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@detail_type.setter
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@overrides(BaseEvent)
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def detail_type(self, value) -> None:
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self._raw_event[f"{self.type}_type"] = value
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@property
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@overrides(BaseEvent)
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def sub_type(self) -> Optional[str]:
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return self._raw_event.get("sub_type")
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@type.setter
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@overrides(BaseEvent)
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def sub_type(self, value) -> None:
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self._raw_event["sub_type"] = value
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@property
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@overrides(BaseEvent)
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def user_id(self) -> Optional[int]:
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return self._raw_event.get("user_id")
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@user_id.setter
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@overrides(BaseEvent)
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def user_id(self, value) -> None:
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self._raw_event["user_id"] = value
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@property
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@overrides(BaseEvent)
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def group_id(self) -> Optional[int]:
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return self._raw_event.get("group_id")
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@group_id.setter
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@overrides(BaseEvent)
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def group_id(self, value) -> None:
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self._raw_event["group_id"] = value
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@property
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@overrides(BaseEvent)
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def to_me(self) -> Optional[bool]:
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return self._raw_event.get("to_me")
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@to_me.setter
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@overrides(BaseEvent)
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def to_me(self, value) -> None:
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self._raw_event["to_me"] = value
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@property
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@overrides(BaseEvent)
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def message(self) -> Optional["Message"]:
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return self._raw_event.get("message")
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@message.setter
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@overrides(BaseEvent)
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def message(self, value) -> None:
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self._raw_event["message"] = value
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@property
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@overrides(BaseEvent)
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def reply(self) -> Optional[dict]:
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return self._raw_event.get("reply")
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@reply.setter
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@overrides(BaseEvent)
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def reply(self, value) -> None:
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self._raw_event["reply"] = value
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@property
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@overrides(BaseEvent)
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def raw_message(self) -> Optional[str]:
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return self._raw_event.get("raw_message")
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@raw_message.setter
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@overrides(BaseEvent)
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def raw_message(self, value) -> None:
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self._raw_event["raw_message"] = value
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@property
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@overrides(BaseEvent)
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def plain_text(self) -> Optional[str]:
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return self.message and self.message.extract_plain_text()
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@property
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@overrides(BaseEvent)
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def sender(self) -> Optional[dict]:
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return self._raw_event.get("sender")
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@sender.setter
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@overrides(BaseEvent)
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def sender(self, value) -> None:
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self._raw_event["sender"] = value
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class MessageSegment(BaseMessageSegment):
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@overrides(BaseMessageSegment)
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def __init__(self, type: str, data: Dict[str, Union[str, list]]) -> None:
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if type == "text":
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data["text"] = unescape(data["text"]) # type: ignore
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super().__init__(type=type, data=data)
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@overrides(BaseMessageSegment)
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def __str__(self):
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type_ = self.type
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data = self.data.copy()
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# process special types
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if type_ == "text":
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return escape(
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data.get("text", ""), # type: ignore
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escape_comma=False)
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params = ",".join(
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[f"{k}={escape(str(v))}" for k, v in data.items() if v is not None])
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return f"[CQ:{type_}{',' if params else ''}{params}]"
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@overrides(BaseMessageSegment)
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def __add__(self, other) -> "Message":
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return Message(self) + other
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@staticmethod
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def anonymous(ignore_failure: Optional[bool] = None) -> "MessageSegment":
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return MessageSegment("anonymous", {"ignore": _b2s(ignore_failure)})
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@staticmethod
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def at(user_id: Union[int, str]) -> "MessageSegment":
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return MessageSegment("at", {"qq": str(user_id)})
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@staticmethod
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def contact_group(group_id: int) -> "MessageSegment":
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return MessageSegment("contact", {"type": "group", "id": str(group_id)})
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@staticmethod
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def contact_user(user_id: int) -> "MessageSegment":
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return MessageSegment("contact", {"type": "qq", "id": str(user_id)})
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@staticmethod
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def dice() -> "MessageSegment":
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return MessageSegment("dice", {})
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@staticmethod
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def face(id_: int) -> "MessageSegment":
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return MessageSegment("face", {"id": str(id_)})
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@staticmethod
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def forward(id_: str) -> "MessageSegment":
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log("WARNING", "Forward Message only can be received!")
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return MessageSegment("forward", {"id": id_})
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@staticmethod
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def image(file: str,
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type_: Optional[str] = None,
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cache: bool = True,
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proxy: bool = True,
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timeout: Optional[int] = None) -> "MessageSegment":
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return MessageSegment(
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"image", {
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"file": file,
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"type": type_,
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"cache": cache,
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"proxy": proxy,
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"timeout": timeout
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})
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@staticmethod
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def json(data: str) -> "MessageSegment":
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return MessageSegment("json", {"data": data})
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@staticmethod
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def location(latitude: float,
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longitude: float,
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title: Optional[str] = None,
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content: Optional[str] = None) -> "MessageSegment":
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return MessageSegment(
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"location", {
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"lat": str(latitude),
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"lon": str(longitude),
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"title": title,
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"content": content
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})
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@staticmethod
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def music(type_: str, id_: int) -> "MessageSegment":
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return MessageSegment("music", {"type": type_, "id": id_})
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|
||
@staticmethod
|
||
def music_custom(url: str,
|
||
audio: str,
|
||
title: str,
|
||
content: Optional[str] = None,
|
||
img_url: Optional[str] = None) -> "MessageSegment":
|
||
return MessageSegment(
|
||
"music", {
|
||
"type": "custom",
|
||
"url": url,
|
||
"audio": audio,
|
||
"title": title,
|
||
"content": content,
|
||
"image": img_url
|
||
})
|
||
|
||
@staticmethod
|
||
def node(id_: int) -> "MessageSegment":
|
||
return MessageSegment("node", {"id": str(id_)})
|
||
|
||
@staticmethod
|
||
def node_custom(user_id: int, nickname: str,
|
||
content: Union[str, "Message"]) -> "MessageSegment":
|
||
return MessageSegment("node", {
|
||
"user_id": str(user_id),
|
||
"nickname": nickname,
|
||
"content": content
|
||
})
|
||
|
||
@staticmethod
|
||
def poke(type_: str, id_: str) -> "MessageSegment":
|
||
return MessageSegment("poke", {"type": type_, "id": id_})
|
||
|
||
@staticmethod
|
||
def record(file: str,
|
||
magic: Optional[bool] = None,
|
||
cache: Optional[bool] = None,
|
||
proxy: Optional[bool] = None,
|
||
timeout: Optional[int] = None) -> "MessageSegment":
|
||
return MessageSegment("record", {"file": file, "magic": _b2s(magic)})
|
||
|
||
@staticmethod
|
||
def reply(id_: int) -> "MessageSegment":
|
||
return MessageSegment("reply", {"id": str(id_)})
|
||
|
||
@staticmethod
|
||
def rps() -> "MessageSegment":
|
||
return MessageSegment("rps", {})
|
||
|
||
@staticmethod
|
||
def shake() -> "MessageSegment":
|
||
return MessageSegment("shake", {})
|
||
|
||
@staticmethod
|
||
def share(url: str = "",
|
||
title: str = "",
|
||
content: Optional[str] = None,
|
||
img_url: Optional[str] = None) -> "MessageSegment":
|
||
return MessageSegment("share", {
|
||
"url": url,
|
||
"title": title,
|
||
"content": content,
|
||
"img_url": img_url
|
||
})
|
||
|
||
@staticmethod
|
||
def text(text: str) -> "MessageSegment":
|
||
return MessageSegment("text", {"text": text})
|
||
|
||
@staticmethod
|
||
def video(file: str,
|
||
cache: Optional[bool] = None,
|
||
proxy: Optional[bool] = None,
|
||
timeout: Optional[int] = None) -> "MessageSegment":
|
||
return MessageSegment("video", {
|
||
"file": file,
|
||
"cache": cache,
|
||
"proxy": proxy,
|
||
"timeout": timeout
|
||
})
|
||
|
||
@staticmethod
|
||
def xml(data: str) -> "MessageSegment":
|
||
return MessageSegment("xml", {"data": data})
|
||
|
||
|
||
class Message(BaseMessage):
|
||
|
||
@staticmethod
|
||
@overrides(BaseMessage)
|
||
def _construct(msg: Union[str, dict, list]) -> Iterable[MessageSegment]:
|
||
if isinstance(msg, dict):
|
||
yield MessageSegment(msg["type"], msg.get("data") or {})
|
||
return
|
||
elif isinstance(msg, list):
|
||
for seg in msg:
|
||
yield MessageSegment(seg["type"], seg.get("data") or {})
|
||
return
|
||
|
||
def _iter_message(msg: str) -> Iterable[Tuple[str, str]]:
|
||
text_begin = 0
|
||
for cqcode in re.finditer(
|
||
r"\[CQ:(?P<type>[a-zA-Z0-9-_.]+)"
|
||
r"(?P<params>"
|
||
r"(?:,[a-zA-Z0-9-_.]+=?[^,\]]*)*"
|
||
r"),?\]", msg):
|
||
yield "text", unescape(msg[text_begin:cqcode.pos +
|
||
cqcode.start()])
|
||
text_begin = cqcode.pos + cqcode.end()
|
||
yield cqcode.group("type"), cqcode.group("params").lstrip(",")
|
||
yield "text", unescape(msg[text_begin:])
|
||
|
||
for type_, data in _iter_message(msg):
|
||
if type_ == "text":
|
||
if data:
|
||
# only yield non-empty text segment
|
||
yield MessageSegment(type_, {"text": data})
|
||
else:
|
||
data = {
|
||
k: v for k, v in map(
|
||
lambda x: x.split("=", maxsplit=1),
|
||
filter(lambda x: x, (
|
||
x.lstrip() for x in data.split(","))))
|
||
}
|
||
yield MessageSegment(type_, data)
|