mirror of
https://github.com/Mayuri-Chan/pyrofork.git
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85 lines
3 KiB
Python
85 lines
3 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork 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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# Pyrofork 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 Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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EXCEPTION_AVAIL = False
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try:
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from .exceptions import *
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except ImportError:
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pass
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else:
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EXCEPTION_AVAIL = True
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from .pyromod import *
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from .rpc_error import RPCError, UnknownError
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class BadMsgNotification(Exception):
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descriptions = {
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16: "The msg_id is too low, the client time has to be synchronized.",
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17: "The msg_id is too high, the client time has to be synchronized.",
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18: "Incorrect two lower order of the msg_id bits, the server expects the client message "
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"msg_id to be divisible by 4.",
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19: "The container msg_id is the same as the msg_id of a previously received message.",
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20: "The message is too old, it cannot be verified by the server.",
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32: "The msg_seqno is too low.",
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33: "The msg_seqno is too high.",
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34: "An even msg_seqno was expected, but an odd one was received.",
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35: "An odd msg_seqno was expected, but an even one was received.",
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48: "Incorrect server salt.",
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64: "Invalid container."
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}
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def __init__(self, code):
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description = self.descriptions.get(code, "Unknown error code")
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super().__init__(f"[{code}] {description}")
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class SecurityError(Exception):
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"""Generic security error."""
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@classmethod
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def check(cls, cond: bool, msg: str):
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"""Raises this exception if the condition is false"""
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if not cond:
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raise cls(f"Check failed: {msg}")
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class SecurityCheckMismatch(SecurityError):
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"""Raised when a security check mismatch occurs."""
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def __init__(self, msg: str = None):
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super().__init__("A security check mismatch has occurred." if msg is None else msg)
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class CDNFileHashMismatch(SecurityError):
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"""Raised when a CDN file hash mismatch occurs."""
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def __init__(self, msg: str = None):
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super().__init__("A CDN file hash mismatch has occurred." if msg is None else msg)
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__all__ = [
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"BadMsgNotification",
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"SecurityError",
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"SecurityCheckMismatch",
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"CDNFileHashMismatch",
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"RPCError",
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"UnknownError"
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]
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if EXCEPTION_AVAIL:
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__all__.extend(exceptions.__all__)
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__all__.extend(pyromod.__all__)
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