7dda167c09
Year 2021
122 lines
3.7 KiB
Python
122 lines
3.7 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2021 Dan <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 .sqlite_storage import SQLiteStorage
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log = logging.getLogger(__name__)
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class FileStorage(SQLiteStorage):
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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.database = workdir / (self.name + self.FILE_EXTENSION)
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def migrate_from_json(self, session_json: dict):
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self.open()
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self.dc_id(session_json["dc_id"])
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self.test_mode(session_json["test_mode"])
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self.auth_key(base64.b64decode("".join(session_json["auth_key"])))
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self.user_id(session_json["user_id"])
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self.date(session_json.get("date", 0))
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self.is_bot(session_json.get("is_bot", False))
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peers_by_id = session_json.get("peers_by_id", {})
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peers_by_phone = session_json.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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def update(self):
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version = self.version()
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if version == 1:
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with self.lock, self.conn:
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self.conn.execute("DELETE FROM peers")
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version += 1
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self.version(version)
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async def open(self):
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path = self.database
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file_exists = path.is_file()
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if file_exists:
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try:
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with open(str(path), encoding="utf-8") as f:
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session_json = json.load(f)
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except ValueError:
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pass
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else:
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log.warning("JSON session storage detected! Converting it into an SQLite session storage...")
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path.rename(path.name + ".OLD")
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log.warning(f'The old session file has been renamed to "{path.name}.OLD"')
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self.migrate_from_json(session_json)
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log.warning("Done! The session has been successfully converted from JSON to SQLite storage")
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return
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if Path(path.name + ".OLD").is_file():
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log.warning(f'Old session file detected: "{path.name}.OLD". You can remove this file now')
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self.conn = sqlite3.connect(str(path), timeout=1, check_same_thread=False)
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if not file_exists:
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self.create()
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else:
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self.update()
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with self.conn:
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try: # Python 3.6.0 (exactly this version) is bugged and won't successfully execute the vacuum
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self.conn.execute("VACUUM")
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except sqlite3.OperationalError:
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pass
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async def delete(self):
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os.remove(self.database)
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