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121 lines (90 loc) · 3.73 KB
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import base64
import json
import logging
import os
import sqlite3
from pathlib import Path
from .sqlite_storage import SQLiteStorage
log = logging.getLogger(__name__)
class FileStorage(SQLiteStorage):
FILE_EXTENSION = ".session"
def __init__(self, name: str, workdir: Path):
super().__init__(name)
self.database = workdir / (self.name + self.FILE_EXTENSION)
def migrate_from_json(self, session_json: dict):
self.open()
self.dc_id(session_json["dc_id"])
self.test_mode(session_json["test_mode"])
self.auth_key(base64.b64decode("".join(session_json["auth_key"])))
self.user_id(session_json["user_id"])
self.date(session_json.get("date", 0))
self.is_bot(session_json.get("is_bot", False))
peers_by_id = session_json.get("peers_by_id", {})
peers_by_phone = session_json.get("peers_by_phone", {})
peers = {}
for k, v in peers_by_id.items():
if v is None:
type_ = "group"
elif k.startswith("-100"):
type_ = "channel"
else:
type_ = "user"
peers[int(k)] = [int(k), int(v) if v is not None else None, type_, None, None]
for k, v in peers_by_phone.items():
peers[v][4] = k
# noinspection PyTypeChecker
self.update_peers(peers.values())
def update(self):
version = self.version()
if version == 1:
with self.lock, self.conn:
self.conn.execute("DELETE FROM peers")
version += 1
self.version(version)
def open(self):
path = self.database
file_exists = path.is_file()
if file_exists:
try:
with open(str(path), encoding="utf-8") as f:
session_json = json.load(f)
except ValueError:
pass
else:
log.warning("JSON session storage detected! Converting it into an SQLite session storage...")
path.rename(path.name + ".OLD")
log.warning('The old session file has been renamed to "{}.OLD"'.format(path.name))
self.migrate_from_json(session_json)
log.warning("Done! The session has been successfully converted from JSON to SQLite storage")
return
if Path(path.name + ".OLD").is_file():
log.warning('Old session file detected: "{}.OLD". You can remove this file now'.format(path.name))
self.conn = sqlite3.connect(str(path), timeout=1, check_same_thread=False)
if not file_exists:
self.create()
else:
self.update()
with self.conn:
try: # Python 3.6.0 (exactly this version) is bugged and won't successfully execute the vacuum
self.conn.execute("VACUUM")
except sqlite3.OperationalError:
pass
def delete(self):
os.remove(self.database)