55 lines
2.4 KiB
Python
Executable File
55 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import csv
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import datetime
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import io
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import json
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import requests
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from OpenSSL.crypto import load_certificate, FILETYPE_PEM
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Included_CA_url = 'https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReportPEMCSV'
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Included_CA_file = 'IncludedCACertificateReportPEMCSV.csv'
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Included_CA_dst = 'mozilla-CA'
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CA_known_intermediate_url = 'https://ccadb-public.secure.force.com/mozilla/PublicAllIntermediateCertsWithPEMCSV'
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CA_known_intermediate_file = 'PublicAllIntermediateCertsWithPEMCSV.csv'
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CA_known_intermediate_dst = 'mozilla-IntermediateCA'
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def download(url, file):
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r = requests.get(url)
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with open(file, 'wb') as fd:
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for chunk in r.iter_content(4096):
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fd.write(chunk)
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def gethash(cert, digest):
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return cert.digest(digest).decode('ASCII').replace(':', '').lower()
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def process(file, dst, type):
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hashes = set()
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with open(file, 'r') as f_in:
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for obj in csv.DictReader(f_in):
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pem = obj['PEM Info'].strip("'").replace('\r','').replace('\n\n','\n')
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try:
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name = obj['Certificate Name']
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except:
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name = obj['Common Name or Certificate Name']
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cert = load_certificate(FILETYPE_PEM, pem)
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hashes.add(gethash(cert, 'md5'))
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hashes.add(gethash(cert, 'sha1'))
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hashes.add(obj['SHA-256 Fingerprint'].lower())
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warninglist = {}
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warninglist['name'] = 'Fingerprint of {type}'.format(type=type)
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warninglist['version'] = int(datetime.date.today().strftime('%Y%m%d'))
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warninglist['description'] = "Fingerprint of {type} taken from Mozilla's lists at https://wiki.mozilla.org/CA".format(type=type)
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warninglist['list'] = sorted(hashes)
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warninglist['type'] = 'string'
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warninglist['matching_attributes'] = ["md5", "sha1", "sha256", "filename|md5", "filename|sha1", "filename|sha256", "x509-fingerprint-md5", "x509-fingerprint-sha1", "x509-fingerprint-sha256"]
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with open('../lists/{dst}/list.json'.format(dst=dst), 'w') as data_file:
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json.dump(warninglist, data_file, indent=2, sort_keys=True)
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if __name__ == '__main__':
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download(Included_CA_url, Included_CA_file)
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process(Included_CA_file, Included_CA_dst, 'trusted CA certificates')
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download(CA_known_intermediate_url, CA_known_intermediate_file)
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process(CA_known_intermediate_file, CA_known_intermediate_dst, 'known intermedicate of trusted certificates')
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