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https://github.com/mtrojnar/osslsigncode.git
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38 lines
1.2 KiB
Python
Executable File
38 lines
1.2 KiB
Python
Executable File
#!/usr/bin/python3
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# © 2024 Michal Trojnara
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# This script downloads Microsoft code signing certificates
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# Redirect the script output to a PEM file
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from sys import stderr
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from time import sleep
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from csv import reader
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from requests import get
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from requests.exceptions import RequestException
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from concurrent.futures import ThreadPoolExecutor
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def download_cert(hash):
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for attempt in range(10):
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if attempt > 0:
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sleep(10)
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try:
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resp = get('https://crt.sh/?d=' + hash)
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resp.raise_for_status()
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print('.', file=stderr, end='')
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stderr.flush()
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return resp.content.decode('utf-8')
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except RequestException as e:
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print(f'\n{e}', file=stderr)
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print('\nGiving up on', hash, file=stderr)
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resp = get('https://ccadb-public.secure.force.com/microsoft/IncludedCACertificateReportForMSFTCSV')
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resp.raise_for_status()
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lines = resp.content.decode('utf-8').splitlines()
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hashes = [row[4] for row in reader(lines)
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if row[0] != 'Disabled' and 'Code Signing' in row[5].split(';')]
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with ThreadPoolExecutor(max_workers=5) as executor:
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certs = executor.map(download_cert, hashes)
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for cert in certs:
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if cert is not None:
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print(cert)
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print('\nDone', file=stderr)
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