forked from fair/matrix-puppeteer-line
150 lines
5.5 KiB
Python
150 lines
5.5 KiB
Python
# matrix-puppeteer-line - A very hacky Matrix-LINE bridge based on running LINE's Chrome extension in Puppeteer
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# Copyright (C) 2020-2021 Tulir Asokan, Andrew Ferrazzutti
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from typing import AsyncGenerator, TypedDict, List, Tuple, Dict, Callable, Awaitable, Any
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from collections import deque
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from base64 import b64decode
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import asyncio
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from .rpc import RPCClient
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from .types import ChatListInfo, ChatInfo, Message, ImageData, StartStatus
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class LoginCommand(TypedDict):
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content: str
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class Client(RPCClient):
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async def start(self) -> StartStatus:
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await self.connect()
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return StartStatus.deserialize(await self.request("start"))
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async def stop(self) -> None:
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await self.request("stop")
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await self.disconnect()
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async def pause(self) -> None:
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await self.request("pause")
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async def resume(self) -> None:
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await self.request("resume")
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async def get_chats(self) -> List[ChatListInfo]:
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resp = await self.request("get_chats")
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return [ChatListInfo.deserialize(data) for data in resp]
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async def get_chat(self, chat_id: str) -> ChatInfo:
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return ChatInfo.deserialize(await self.request("get_chat", chat_id=chat_id))
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async def get_messages(self, chat_id: str) -> List[Message]:
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resp = await self.request("get_messages", chat_id=chat_id)
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return [Message.deserialize(data) for data in resp]
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async def read_image(self, image_url: str) -> ImageData:
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resp = await self.request("read_image", image_url=image_url)
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if not resp.startswith("data:"):
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raise TypeError("Image data is not in the form of a Data URL")
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typestart = 5
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typeend = resp.find(",", typestart)
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data = bytes(resp[typeend+1:], "utf-8")
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paramstart = resp.rfind(";", typestart, typeend)
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if paramstart == -1:
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mime = resp[typestart:typeend]
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else:
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mime = resp[typestart:paramstart]
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if resp[paramstart+1:typeend] == "base64":
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data = b64decode(data)
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return ImageData(mime=mime, data=data)
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async def is_connected(self) -> bool:
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resp = await self.request("is_connected")
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return resp["is_connected"]
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async def send(self, chat_id: str, text: str) -> int:
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resp = await self.request("send", chat_id=chat_id, text=text)
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return resp["id"]
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async def send_file(self, chat_id: str, file_path: str) -> int:
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resp = await self.request("send_file", chat_id=chat_id, file_path=file_path)
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return resp["id"]
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async def set_last_message_ids(self, msg_ids: Dict[str, int]) -> None:
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await self.request("set_last_message_ids", msg_ids=msg_ids)
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async def on_message(self, func: Callable[[Message], Awaitable[None]]) -> None:
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async def wrapper(data: Dict[str, Any]) -> None:
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await func(Message.deserialize(data["message"]))
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self.add_event_handler("message", wrapper)
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# TODO Type hint for sender
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async def login(self, sender, **login_data) -> AsyncGenerator[Tuple[str, str], None]:
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login_data["login_type"] = sender.command_status["login_type"]
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data = deque()
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event = asyncio.Event()
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async def qr_handler(req: LoginCommand) -> None:
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data.append(("qr", req["url"]))
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event.set()
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async def pin_handler(req: LoginCommand) -> None:
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data.append(("pin", req["pin"]))
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event.set()
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async def failure_handler(req: LoginCommand) -> None:
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data.append(("failure", req.get("reason")))
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event.set()
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async def cancel_watcher() -> None:
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try:
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while sender.command_status is not None:
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await asyncio.sleep(1)
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await self._raw_request("cancel_login")
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except asyncio.CancelledError:
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pass
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cancel_watcher_task = asyncio.create_task(cancel_watcher())
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def login_handler(_fut: asyncio.Future) -> None:
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cancel_watcher_task.cancel()
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e = _fut.exception()
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if e is not None:
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data.append(("error", str(e)))
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data.append(None)
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event.set()
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login_future = await self._raw_request("login", **login_data)
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login_future.add_done_callback(login_handler)
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self.add_event_handler("qr", qr_handler)
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self.add_event_handler("pin", pin_handler)
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self.add_event_handler("failure", failure_handler)
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try:
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while True:
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await event.wait()
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while len(data) > 0:
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item = data.popleft()
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if item is None:
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return
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yield item
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event.clear()
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finally:
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self.remove_event_handler("qr", qr_handler)
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self.remove_event_handler("pin", pin_handler)
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self.remove_event_handler("failure", failure_handler)
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