Tulir Asokan
201 lines
11 KiB
Python
201 lines
11 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2019 Tulir Asokan
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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 Optional
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from abc import abstractmethod
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import abc
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import asyncio
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import logging
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from aiohttp import web
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from telethon.errors import *
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from mautrix.bridge import OnlyLoginSelf, InvalidAccessToken
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from ...commands.telegram.auth import enter_password
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from ...util import format_duration
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from ...puppet import Puppet
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from ...user import User
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class AuthAPI(abc.ABC):
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log: logging.Logger = logging.getLogger("mau.web.auth")
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loop: asyncio.AbstractEventLoop
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def __init__(self, loop: asyncio.AbstractEventLoop):
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self.loop = loop
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@abstractmethod
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def get_login_response(self, status: int = 200, state: str = "", username: str = "",
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phone: str = "", human_tg_id: str = "", mxid: str = "",
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message: str = "", error: str = "", errcode: str = "") -> web.Response:
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raise NotImplementedError()
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@abstractmethod
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def get_mx_login_response(self, status: int = 200, state: str = "", username: str = "",
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phone: str = "", human_tg_id: str = "", mxid: str = "",
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message: str = "", error: str = "", errcode: str = ""
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) -> web.Response:
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raise NotImplementedError()
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async def post_matrix_token(self, user: User, token: str) -> web.Response:
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puppet = Puppet.get(user.tgid)
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if puppet.is_real_user:
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return self.get_mx_login_response(state="already-logged-in", status=409,
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error="You have already logged in with your Matrix "
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"account.", errcode="already-logged-in")
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try:
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await puppet.switch_mxid(token.strip(), user.mxid)
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except OnlyLoginSelf:
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return self.get_mx_login_response(status=403, errcode="only-login-self",
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error="You can only log in as your own Matrix user.")
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except InvalidAccessToken:
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return self.get_mx_login_response(status=401, errcode="invalid-access-token",
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error="Failed to verify access token.")
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return self.get_mx_login_response(mxid=user.mxid, status=200, state="logged-in")
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async def post_matrix_password(self, user: User, password: str) -> web.Response:
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return self.get_mx_login_response(mxid=user.mxid, status=501, error="Not yet implemented",
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errcode="not-yet-implemented")
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async def post_login_phone(self, user: User, phone: str) -> web.Response:
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if not phone or not phone.strip():
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return self.get_login_response(mxid=user.mxid, state="request", status=400,
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errcode="phone_number_invalid",
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error="Phone number not given.")
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try:
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await user.client.sign_in(phone.strip())
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return self.get_login_response(mxid=user.mxid, state="code", status=200,
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message="Code requested successfully. Check your SMS "
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"or Telegram client and enter the code below.")
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except PhoneNumberInvalidError:
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return self.get_login_response(mxid=user.mxid, state="request", status=400,
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errcode="phone_number_invalid",
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error="Invalid phone number.")
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except PhoneNumberBannedError:
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return self.get_login_response(mxid=user.mxid, state="request", status=403,
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errcode="phone_number_banned",
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error="Your phone number is banned from Telegram.")
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except PhoneNumberAppSignupForbiddenError:
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return self.get_login_response(mxid=user.mxid, state="request", status=403,
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errcode="phone_number_app_signup_forbidden",
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error="You have disabled 3rd party apps on your "
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"account.")
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except PhoneNumberUnoccupiedError:
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return self.get_login_response(mxid=user.mxid, state="request", status=404,
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errcode="phone_number_unoccupied",
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error="That phone number has not been registered.")
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except PhoneNumberFloodError:
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return self.get_login_response(
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mxid=user.mxid, state="request", status=429, errcode="phone_number_flood",
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error="Your phone number has been temporarily blocked for flooding. "
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"The ban is usually applied for around a day.")
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except FloodWaitError as e:
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return self.get_login_response(
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mxid=user.mxid, state="request", status=429, errcode="flood_wait",
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error="Your phone number has been temporarily blocked for flooding. "
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f"Please wait for {format_duration(e.seconds)} before trying again.")
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except Exception:
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self.log.exception("Error requesting phone code")
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return self.get_login_response(mxid=user.mxid, state="request", status=500,
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errcode="unknown_error",
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error="Internal server error while requesting code.")
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async def postprocess_login(self, user: User, user_info) -> None:
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existing_user = User.get_by_tgid(user_info.id)
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if existing_user and existing_user != user:
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await existing_user.log_out()
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asyncio.ensure_future(user.post_login(user_info), loop=self.loop)
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if user.command_status and user.command_status["action"] == "Login":
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user.command_status = None
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async def post_login_token(self, user: User, token: str) -> web.Response:
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try:
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user_info = await user.client.sign_in(bot_token=token.strip())
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await self.postprocess_login(user, user_info)
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return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
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username=user_info.username, phone=None,
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human_tg_id=f"@{user_info.username}")
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except AccessTokenInvalidError:
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return self.get_login_response(mxid=user.mxid, state="token", status=401,
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errcode="bot_token_invalid",
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error="Bot token invalid.")
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except AccessTokenExpiredError:
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return self.get_login_response(mxid=user.mxid, state="token", status=403,
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errcode="bot_token_expired",
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error="Bot token expired.")
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except Exception:
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self.log.exception("Error sending bot token")
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return self.get_login_response(mxid=user.mxid, state="token", status=500,
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error="Internal server error while sending token.")
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async def post_login_code(self, user: User, code: int, password_in_data: bool
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) -> Optional[web.Response]:
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try:
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user_info = await user.client.sign_in(code=code)
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await self.postprocess_login(user, user_info)
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human_tg_id = f"@{user_info.username}" if user_info.username else f"+{user_info.phone}"
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return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
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username=user_info.username, phone=user_info.phone,
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human_tg_id=human_tg_id)
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except PhoneCodeInvalidError:
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return self.get_login_response(mxid=user.mxid, state="code", status=401,
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errcode="phone_code_invalid",
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error="Incorrect phone code.")
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except PhoneCodeExpiredError:
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return self.get_login_response(mxid=user.mxid, state="code", status=403,
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errcode="phone_code_expired",
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error="Phone code expired.")
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except SessionPasswordNeededError:
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if not password_in_data:
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if user.command_status and user.command_status["action"] == "Login":
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user.command_status = {
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"next": enter_password,
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"action": "Login (password entry)",
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}
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return self.get_login_response(
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mxid=user.mxid, state="password", status=202,
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message="Code accepted, but you have 2-factor authentication is enabled.")
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return None
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except Exception:
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self.log.exception("Error sending phone code")
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return self.get_login_response(mxid=user.mxid, state="code", status=500,
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errcode="unknown_error",
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error="Internal server error while sending code.")
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async def post_login_password(self, user: User, password: str) -> web.Response:
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try:
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user_info = await user.client.sign_in(password=password.strip())
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await self.postprocess_login(user, user_info)
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human_tg_id = f"@{user_info.username}" if user_info.username else f"+{user_info.phone}"
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return self.get_login_response(mxid=user.mxid, state="logged-in", status=200,
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username=user_info.username, phone=user_info.phone,
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human_tg_id=human_tg_id)
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except PasswordEmptyError:
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return self.get_login_response(mxid=user.mxid, state="password", status=400,
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errcode="password_empty",
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error="Empty password.")
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except PasswordHashInvalidError:
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return self.get_login_response(mxid=user.mxid, state="password", status=401,
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errcode="password_invalid",
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error="Incorrect password.")
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except Exception:
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self.log.exception("Error sending password")
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return self.get_login_response(mxid=user.mxid, state="password", status=500,
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errcode="unknown_error",
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error="Internal server error while sending password.")
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