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35 lines
1.4 KiB
Python
35 lines
1.4 KiB
Python
# Copyright 2021, New York University and the TUF contributors
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# SPDX-License-Identifier: MIT OR Apache-2.0
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"""Configuration options for Updater class
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"""
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from dataclasses import dataclass
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@dataclass
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class UpdaterConfig:
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"""Used to store Updater configuration.
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Arguments:
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max_root_rotations: The maximum number of root rotations.
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max_delegations: The maximum number of delegations.
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root_max_length: The maxmimum length of a root metadata file.
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timestamp_max_length: The maximum length of a timestamp metadata file.
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snapshot_max_length: The maximum length of a snapshot metadata file.
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targets_max_length: The maximum length of a targets metadata file.
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prefix_targets_with_hash: When `consistent snapshots
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<https://theupdateframework.github.io/specification/latest/#consistent-snapshots>`_
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are used, target download URLs are formed by prefixing the filename
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with a hash digest of file content by default. This can be
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overridden by setting prefix_targets_with_hash to False.
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"""
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max_root_rotations: int = 32
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max_delegations: int = 32
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root_max_length: int = 512000 # bytes
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timestamp_max_length: int = 16384 # bytes
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snapshot_max_length: int = 2000000 # bytes
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targets_max_length: int = 5000000 # bytes
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prefix_targets_with_hash: bool = True
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