103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by 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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# Pyrogram 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import base64
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import json
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import logging
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import os
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import sqlite3
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from pathlib import Path
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from sqlite3 import DatabaseError
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from threading import Lock
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from typing import Union
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from .memory_storage import MemoryStorage
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log = logging.getLogger(__name__)
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class FileStorage(MemoryStorage):
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FILE_EXTENSION = ".session"
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def __init__(self, name: str, workdir: Path):
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super().__init__(name)
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self.workdir = workdir
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self.database = workdir / (self.name + self.FILE_EXTENSION)
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self.conn = None # type: sqlite3.Connection
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self.lock = Lock()
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# noinspection PyAttributeOutsideInit
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def migrate_from_json(self, path: Union[str, Path]):
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log.warning("JSON session storage detected! Pyrogram will now convert it into an SQLite session storage...")
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with open(path, encoding="utf-8") as f:
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json_session = json.load(f)
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os.remove(path)
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self.open()
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self.dc_id = json_session["dc_id"]
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self.test_mode = json_session["test_mode"]
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self.auth_key = base64.b64decode("".join(json_session["auth_key"]))
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self.user_id = json_session["user_id"]
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self.date = json_session.get("date", 0)
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self.is_bot = json_session.get("is_bot", False)
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peers_by_id = json_session.get("peers_by_id", {})
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peers_by_phone = json_session.get("peers_by_phone", {})
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peers = {}
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for k, v in peers_by_id.items():
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if v is None:
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type_ = "group"
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elif k.startswith("-100"):
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type_ = "channel"
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else:
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type_ = "user"
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peers[int(k)] = [int(k), int(v) if v is not None else None, type_, None, None]
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for k, v in peers_by_phone.items():
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peers[v][4] = k
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# noinspection PyTypeChecker
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self.update_peers(peers.values())
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log.warning("Done! The session has been successfully converted from JSON to SQLite storage")
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def open(self):
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database_exists = os.path.isfile(self.database)
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self.conn = sqlite3.connect(
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str(self.database),
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timeout=1,
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check_same_thread=False
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)
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try:
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if not database_exists:
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self.create()
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with self.conn:
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self.conn.execute("VACUUM")
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except DatabaseError:
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self.migrate_from_json(self.database)
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