57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
# 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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import logging
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from .tcp import TCP
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log = logging.getLogger(__name__)
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class TCPAbridged(TCP):
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def __init__(self, ipv6: bool, proxy: dict):
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super().__init__(ipv6, proxy)
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async def connect(self, address: tuple):
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await super().connect(address)
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await super().send(b"\xef")
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async def send(self, data: bytes, *args):
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length = len(data) // 4
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await super().send(
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(bytes([length])
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if length <= 126
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else b"\x7f" + length.to_bytes(3, "little"))
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+ data
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)
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async def recv(self, length: int = 0) -> bytes or None:
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length = await super().recv(1)
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if length is None:
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return None
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if length == b"\x7f":
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length = await super().recv(3)
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if length is None:
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return None
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return await super().recv(int.from_bytes(length, "little") * 4)
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