44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
# This file is part of CycloneDX Python Library
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# SPDX-License-Identifier: Apache-2.0
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# Copyright (c) OWASP Foundation. All Rights Reserved.
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"""
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!!! ALL SYMBOLS IN HERE ARE INTERNAL.
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Everything might change without any notice.
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"""
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from hashlib import sha1
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def file_sha1sum(filename: str) -> str:
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"""
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Generate a SHA1 hash of the provided file.
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Args:
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filename:
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Absolute path to file to hash as `str`
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Returns:
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SHA-1 hash
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"""
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h = sha1() # nosec B303, B324
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with open(filename, 'rb') as f:
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for byte_block in iter(lambda: f.read(4096), b''):
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h.update(byte_block)
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return h.hexdigest()
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