76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2020 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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from asyncio import Lock
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import pyrogram
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from pyrogram import raw
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from pyrogram.errors import AuthBytesInvalid
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from pyrogram.session import Session
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from pyrogram.session.auth import Auth
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lock = Lock()
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session = None
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dest_dc_id = 4
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async def get_session(client: "pyrogram.Client", dc_id: int):
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if dc_id != dest_dc_id:
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return client
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if dc_id == await client.storage.dc_id():
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return client
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async with lock:
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global session
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if session is not None:
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return session
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session = Session(
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client, dest_dc_id,
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await Auth(client, dest_dc_id, False).create(),
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False, is_media=True
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)
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await session.start()
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for _ in range(3):
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exported_auth = await session.send(
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raw.functions.auth.ExportAuthorization(
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dc_id=dest_dc_id
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)
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)
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try:
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await session.send(
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raw.functions.auth.ImportAuthorization(
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id=exported_auth.id,
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bytes=exported_auth.bytes
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)
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)
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except AuthBytesInvalid:
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continue
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else:
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break
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else:
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await session.stop()
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raise AuthBytesInvalid
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return session
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