forked from fair/matrix-puppeteer-line
Andrew Ferrazzutti
9d1d6e379c
AKA "strangers". Should only happen to non-friends in rooms (not groups!)
93 lines
3.6 KiB
Python
93 lines
3.6 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 Optional, ClassVar, TYPE_CHECKING
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from attr import dataclass
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from random import randint, seed
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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 Stranger:
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db: ClassVar[Database] = fake_db
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# Optional properties are ones that should be set by Puppet
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fake_mid: str
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name: Optional[str] = None
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avatar_path: Optional[str] = None
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available: bool = False
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async def insert(self) -> None:
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q = ("INSERT INTO stranger (fake_mid, name, avatar_path, available) "
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"VALUES ($1, $2, $3, $4)")
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await self.db.execute(q, self.fake_mid, self.name, self.avatar_path, self.available)
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async def update_profile_info(self) -> None:
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q = ("UPDATE stranger SET name=$2, avatar_path=$3 "
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"WHERE fake_mid=$1")
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await self.db.execute(q, self.fake_mid, self.name, self.avatar_path)
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async def make_available(self) -> None:
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q = ("UPDATE stranger SET available=true "
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"WHERE name=$1 AND avatar_path=$2")
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await self.db.execute(q, self.name, self.avatar_path)
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@classmethod
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async def get_by_mid(cls, mid: str) -> Optional['Stranger']:
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q = ("SELECT fake_mid, name, avatar_path, available "
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"FROM stranger WHERE fake_mid=$1")
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row = await cls.db.fetchrow(q, 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_by_profile(cls, info: 'Participant') -> Optional['Stranger']:
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q = ("SELECT fake_mid, name, avatar_path, available "
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"FROM stranger WHERE name=$1 AND avatar_path=$2")
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row = await cls.db.fetchrow(q, info.name, info.avatar.path if info.avatar else "")
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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_any_available(cls) -> Optional['Stranger']:
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q = ("SELECT fake_mid, name, avatar_path, available "
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"FROM stranger WHERE available=true")
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row = await cls.db.fetchrow(q)
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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 init_available_or_new(cls) -> 'Stranger':
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stranger = await cls.get_any_available()
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if not stranger:
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while True:
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fake_mid = "_STRANGER_"
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for _ in range(32):
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fake_mid += f"{randint(0,15):x}"
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if await cls.get_by_mid(fake_mid) != None:
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# Extremely unlikely event of a randomly-generated ID colliding with another.
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# If it happens, must be not that unlikely after all, so pick a new seed.
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seed()
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else:
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stranger = cls(fake_mid)
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break
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return stranger |