mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-09-21 03:08:49 +03:00
be279ce3f5
This simplifies the flow instead of having separate request/body attributes, and also means that BinaryReader.tgread_object() can be used without so many special cases.
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""Errors not related to the Telegram API itself"""
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class ReadCancelledError(Exception):
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"""Occurs when a read operation was cancelled."""
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def __init__(self):
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super().__init__('The read operation was cancelled.')
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class TypeNotFoundError(Exception):
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"""
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Occurs when a type is not found, for example,
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when trying to read a TLObject with an invalid constructor code.
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"""
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def __init__(self, invalid_constructor_id, remaining):
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super().__init__(
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'Could not find a matching Constructor ID for the TLObject '
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'that was supposed to be read with ID {:08x}. Most likely, '
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'a TLObject was trying to be read when it should not be read. '
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'Remaining bytes: {!r}'.format(invalid_constructor_id, remaining))
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self.invalid_constructor_id = invalid_constructor_id
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self.remaining = remaining
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class InvalidChecksumError(Exception):
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"""
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Occurs when using the TCP full mode and the checksum of a received
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packet doesn't match the expected checksum.
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"""
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def __init__(self, checksum, valid_checksum):
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super().__init__(
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'Invalid checksum ({} when {} was expected). '
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'This packet should be skipped.'
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.format(checksum, valid_checksum))
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self.checksum = checksum
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self.valid_checksum = valid_checksum
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class BrokenAuthKeyError(Exception):
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"""
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Occurs when the authorization key for a data center is not valid.
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"""
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def __init__(self):
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super().__init__(
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'The authorization key is broken, and it must be reset.'
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)
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class SecurityError(Exception):
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"""
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Generic security error, mostly used when generating a new AuthKey.
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"""
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def __init__(self, *args):
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if not args:
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args = ['A security check failed.']
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super().__init__(*args)
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class CdnFileTamperedError(SecurityError):
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"""
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Occurs when there's a hash mismatch between the decrypted CDN file
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and its expected hash.
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"""
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def __init__(self):
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super().__init__(
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'The CDN file has been altered and its download cancelled.'
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)
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