mirror of
https://github.com/theupdateframework/python-tuf
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6638089b99
download.py:Add a timeout and rewrite the _fileobject.read() test_slow_retrieval_attack.py:Add a new kind of slow retrieval attack slow_retrieval_server.py:Modification for new kind of slow retrieval attack
171 lines
2.6 KiB
Python
Executable file
171 lines
2.6 KiB
Python
Executable file
"""
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<Program Name>
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__init__.py
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<Author>
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Geremy Condra
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Vladimir Diaz <vladimir.v.diaz@gmail.com>
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<Started>
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VD: April 4, 2012 Revision.
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<Copyright>
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See LICENSE for licensing information.
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<Purpose>
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Define TUF Exceptions.
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The names chosen for TUF Exception classes should end in
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'Error' except where there is a good reason not to, and
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provide that reason in those cases.
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"""
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# Import 'tuf.formats' if a module tries to import the
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# entire tuf package (i.e., from tuf import *).
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__all__ = ['formats']
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class Error(Exception):
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"""Indicate a generic error."""
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pass
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class Warning(Warning):
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"""TUF's warning category class. It is used by the 'warnings' module."""
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pass
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class FormatError(Error):
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"""Indicate an error while validating an object's format."""
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pass
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class UnsupportedAlgorithmError(Error):
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"""Indicate an error while trying to identify a user-specified algorithm."""
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pass
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class BadHashError(Error):
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"""Indicate an error while checking the value a hash object."""
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pass
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class BadPasswordError(Error):
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"""Indicate an error after encountering an invalid password."""
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pass
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class UnknownKeyError(Error):
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"""Indicate an error while verifying key-like objects (e.g., keyids)."""
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pass
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class RepositoryError(Error):
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"""Indicate an error with a repository's state, such as a missing file."""
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pass
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class ExpiredMetadataError(Error):
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"""Indicate that a TUF Metadata file has expired."""
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pass
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class MetadataNotAvailableError(Error):
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"""Indicate an error locating a Metadata file for a specified target/role."""
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pass
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class CryptoError(Error):
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"""Indicate any cryptography-related errors."""
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pass
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class UnsupportedLibraryError(Error):
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"""Indicate that a supported library could not be located or imported."""
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pass
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class UnknownMethodError(CryptoError):
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"""Indicate that a user-specified cryptograpthic method is unknown."""
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pass
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class DownloadError(Error):
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"""Indicate an error occurred while attempting to download a file."""
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pass
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class SlowRetrievalError(DownloadError):
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""""Indicate that a downloading a file took longer than we would like it to."""
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pass
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class KeyAlreadyExistsError(Error):
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"""Indicate that a key already exists and cannot be added."""
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pass
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class RoleAlreadyExistsError(Error):
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"""Indicate that a role already exists and cannot be added."""
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pass
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class UnknownRoleError(Error):
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"""Indicate an error trying to locate or identify a specified TUF role."""
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pass
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class InvalidNameError(Error):
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"""Indicate an error while trying to validate any type of named object"""
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pass
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