34 lines
1015 B
Python
34 lines
1015 B
Python
# files/compression/tar.py
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import tarfile
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with tarfile.open('example.tar.gz', 'w:gz') as tar:
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tar.add('content1.txt')
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tar.add('content2.txt')
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tar.add('subfolder/content3.txt')
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tar.add('subfolder/content4.txt')
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with tarfile.open('example.tar.gz', 'r:gz') as tar:
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import os
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def is_within_directory(directory, target):
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abs_directory = os.path.abspath(directory)
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abs_target = os.path.abspath(target)
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prefix = os.path.commonprefix([abs_directory, abs_target])
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return prefix == abs_directory
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def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
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for member in tar.getmembers():
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member_path = os.path.join(path, member.name)
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if not is_within_directory(path, member_path):
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raise Exception("Attempted Path Traversal in Tar File")
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tar.extractall(path, members, numeric_owner=numeric_owner)
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safe_extract(tar, "extract_tar")
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