122 lines
4.9 KiB
Python
122 lines
4.9 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) 2020-2022 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 Optional, ClassVar, Dict, List, TYPE_CHECKING
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from attr import dataclass
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from mautrix.types import RoomID, EventID
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from mautrix.util.async_db import Database
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fake_db = Database("") if TYPE_CHECKING else None
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@dataclass
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class Message:
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db: ClassVar[Database] = fake_db
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mxid: Optional[EventID]
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mx_room: RoomID
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mid: Optional[int]
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chat_id: str
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is_outgoing: bool
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async def insert(self) -> None:
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q = "INSERT INTO message (mxid, mx_room, mid, chat_id, is_outgoing) VALUES ($1, $2, $3, $4, $5)"
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await self.db.execute(q, self.mxid, self.mx_room, self.mid, self.chat_id, self.is_outgoing)
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async def update_ids(self, new_mxid: EventID, new_mid: int) -> None:
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q = ("UPDATE message SET mxid=$1, mid=$2 "
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"WHERE mxid=$3 AND mx_room=$4 AND chat_id=$5")
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await self.db.execute(q, new_mxid, new_mid,
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self.mxid, self.mx_room, self.chat_id)
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@classmethod
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async def get_max_mid(cls, room_id: RoomID) -> int:
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return await cls.db.fetchval("SELECT MAX(mid) FROM message WHERE mx_room=$1", room_id)
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@classmethod
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async def get_max_mids(cls) -> Dict[str, int]:
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rows = await cls.db.fetch("SELECT chat_id, MAX(mid) AS max_mid "
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"FROM message GROUP BY chat_id")
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data = {}
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for row in rows:
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data[row["chat_id"]] = row["max_mid"]
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return data
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@classmethod
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async def get_max_outgoing_mids(cls) -> Dict[str, int]:
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rows = await cls.db.fetch("SELECT chat_id, MAX(mid) AS max_mid "
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"FROM message WHERE is_outgoing GROUP BY chat_id")
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data = {}
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for row in rows:
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data[row["chat_id"]] = row["max_mid"]
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return data
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@classmethod
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async def get_num_noid_msgs(cls, room_id: RoomID) -> int:
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return await cls.db.fetchval("SELECT COUNT(*) FROM message "
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"WHERE mid IS NULL AND mx_room=$1", room_id)
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@classmethod
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async def is_last_by_mxid(cls, mxid: EventID, room_id: RoomID) -> bool:
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q = ("SELECT mxid "
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"FROM message INNER JOIN ( "
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" SELECT mx_room, MAX(mid) AS max_mid "
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" FROM message GROUP BY mx_room "
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") by_room "
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"ON mid=max_mid "
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"WHERE by_room.mx_room=$1")
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last_mxid = await cls.db.fetchval(q, room_id)
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return last_mxid == mxid
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@classmethod
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async def get_by_mxid(cls, mxid: EventID, mx_room: RoomID) -> Optional['Message']:
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row = await cls.db.fetchrow("SELECT mxid, mx_room, mid, chat_id, is_outgoing "
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"FROM message WHERE mxid=$1 AND mx_room=$2", mxid, mx_room)
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if not row:
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return None
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return cls(**row)
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@classmethod
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async def get_by_mid(cls, mid: int) -> Optional['Message']:
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row = await cls.db.fetchrow("SELECT mxid, mx_room, mid, chat_id, is_outgoing FROM message WHERE mid=$1",
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mid)
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if not row:
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return None
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return cls(**row)
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@classmethod
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async def get_all_since(cls, chat_id: str, min_mid: int, max_mid: int) -> List['Message']:
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rows = await cls.db.fetch("SELECT mxid, mx_room, mid, chat_id, is_outgoing FROM message "
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"WHERE chat_id=$1 AND $2<mid AND mid<=$3",
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chat_id, min_mid, max_mid)
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return [cls(**row) for row in rows]
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@classmethod
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async def get_next_noid_msg(cls, room_id: RoomID) -> Optional['Message']:
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row = await cls.db.fetchrow("SELECT mxid, mx_room, mid, chat_id, is_outgoing FROM message "
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"WHERE mid IS NULL AND mx_room=$1", room_id)
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if not row:
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return None
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return cls(**row)
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@classmethod
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async def delete_all_noid_msgs(cls, room_id: RoomID) -> None:
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status = await cls.db.execute("DELETE FROM message "
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"WHERE mid IS NULL AND mx_room=$1", room_id)
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# Skip leading "DELETE "
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return int(status[7:])
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