193 lines
6.5 KiB
Python
193 lines
6.5 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 BatchID, ContentURI, EventID, 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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first_event_id: EventID | None
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next_batch_id: BatchID | None
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base_insertion_id: EventID | None
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sponsored_event_id: EventID | None
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sponsored_event_ts: int | None
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sponsored_msg_random_id: bytes | None
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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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name_set: bool
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avatar_set: bool
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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] = ", ".join(
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(
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"tgid",
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"tg_receiver",
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"peer_type",
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"megagroup",
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"mxid",
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"avatar_url",
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"encrypted",
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"first_event_id",
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"next_batch_id",
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"base_insertion_id",
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"sponsored_event_id",
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"sponsored_event_ts",
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"sponsored_msg_random_id",
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"username",
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"title",
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"about",
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"photo_id",
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"name_set",
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"avatar_set",
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"config",
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)
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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_of(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 find_private_chats_with(cls, tgid: TelegramID) -> list[Portal]:
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q = f"SELECT {cls.columns} FROM portal WHERE tgid=$1 AND peer_type='user'"
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return [cls._from_row(row) for row in await cls.db.fetch(q, tgid)]
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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.first_event_id,
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self.next_batch_id,
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self.base_insertion_id,
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self.sponsored_event_id,
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self.sponsored_event_ts,
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self.sponsored_msg_random_id,
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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.name_set,
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self.avatar_set,
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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
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SET mxid=$4, avatar_url=$5, encrypted=$6,
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first_event_id=$7, next_batch_id=$8, base_insertion_id=$9,
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sponsored_event_id=$10, sponsored_event_ts=$11, sponsored_msg_random_id=$12,
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username=$13, title=$14, about=$15, photo_id=$16, name_set=$17, avatar_set=$18,
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megagroup=$19, config=$20
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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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clear_queue = "DELETE FROM backfill_queue WHERE portal_tgid=$1 AND portal_tg_receiver=$2"
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async with self.db.acquire() as conn, conn.transaction():
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await conn.execute(clear_queue, self.tgid, self.tg_receiver)
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await conn.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 (
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tgid, tg_receiver, peer_type, mxid, avatar_url, encrypted,
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first_event_id, base_insertion_id, next_batch_id,
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sponsored_event_id, sponsored_event_ts, sponsored_msg_random_id,
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username, title, about, photo_id, name_set, avatar_set, megagroup, config
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18,
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$19, $20)
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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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