Tulir Asokan
140 lines
4.7 KiB
Python
140 lines
4.7 KiB
Python
# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2021 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 __future__ import annotations
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from typing import TYPE_CHECKING, Any, ClassVar
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import json
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from asyncpg import Record
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from attr import dataclass
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import attr
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from mautrix.types import ContentURI, RoomID
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from mautrix.util.async_db import Database
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from ..types import TelegramID
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fake_db = Database.create("") if TYPE_CHECKING else None
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@dataclass
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class Portal:
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db: ClassVar[Database] = fake_db
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# Telegram chat information
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tgid: TelegramID
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tg_receiver: TelegramID
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peer_type: str
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megagroup: bool
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# Matrix portal information
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mxid: RoomID | None
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avatar_url: ContentURI | None
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encrypted: bool
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# Telegram chat metadata
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username: str | None
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title: str | None
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about: str | None
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photo_id: str | None
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local_config: dict[str, Any] = attr.ib(factory=lambda: {})
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@classmethod
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def _from_row(cls, row: Record | None) -> Portal | None:
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if row is None:
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return None
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data = {**row}
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data["local_config"] = json.loads(data.pop("config", None) or "{}")
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return cls(**data)
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columns: ClassVar[str] = (
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"tgid, tg_receiver, peer_type, megagroup, mxid, avatar_url, encrypted, config, "
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"username, title, about, photo_id"
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)
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@classmethod
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async def get_by_tgid(cls, tgid: TelegramID, tg_receiver: TelegramID) -> Portal | None:
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q = f"SELECT {cls.columns} FROM portal WHERE tgid=$1 AND tg_receiver=$2"
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return cls._from_row(await cls.db.fetchrow(q, tgid, tg_receiver))
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@classmethod
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async def get_by_mxid(cls, mxid: RoomID) -> Portal | None:
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q = f"SELECT {cls.columns} FROM portal WHERE mxid=$1"
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return cls._from_row(await cls.db.fetchrow(q, mxid))
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@classmethod
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async def find_by_username(cls, username: str) -> Portal | None:
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q = f"SELECT {cls.columns} FROM portal WHERE lower(username)=$1"
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return cls._from_row(await cls.db.fetchrow(q, username.lower()))
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@classmethod
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async def find_private_chats(cls, tg_receiver: TelegramID) -> list[Portal]:
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q = f"SELECT {cls.columns} FROM portal WHERE tg_receiver=$1 AND peer_type='user'"
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return [cls._from_row(row) for row in await cls.db.fetch(q, tg_receiver)]
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@classmethod
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async def all(cls) -> list[Portal]:
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rows = await cls.db.fetch(f"SELECT {cls.columns} FROM portal")
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return [cls._from_row(row) for row in rows]
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@property
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def _values(self):
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return (
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self.tgid,
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self.tg_receiver,
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self.peer_type,
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self.mxid,
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self.avatar_url,
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self.encrypted,
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self.username,
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self.title,
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self.about,
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self.photo_id,
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self.megagroup,
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json.dumps(self.local_config) if self.local_config else None,
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)
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async def save(self) -> None:
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q = (
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"UPDATE portal SET mxid=$4, avatar_url=$5, encrypted=$6, username=$7, title=$8,"
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" about=$9, photo_id=$10, megagroup=$11, config=$12 "
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"WHERE tgid=$1 AND tg_receiver=$2 AND (peer_type=$3 OR true)"
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)
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await self.db.execute(q, *self._values)
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async def update_id(self, id: TelegramID, peer_type: str) -> None:
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q = (
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"UPDATE portal SET tgid=$1, tg_receiver=$1, peer_type=$2 "
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"WHERE tgid=$3 AND tg_receiver=$3"
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)
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await self.db.execute(q, id, peer_type, self.tgid)
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self.tgid = id
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self.tg_receiver = id
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self.peer_type = peer_type
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async def insert(self) -> None:
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q = (
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"INSERT INTO portal (tgid, tg_receiver, peer_type, mxid, avatar_url, encrypted,"
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" username, title, about, photo_id, megagroup, config) "
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"VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)"
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)
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await self.db.execute(q, *self._values)
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async def delete(self) -> None:
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q = "DELETE FROM portal WHERE tgid=$1 AND tg_receiver=$2"
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await self.db.execute(q, self.tgid, self.tg_receiver)
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