mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-15 19:08:07 +00:00
71 lines
1.8 KiB
Python
Executable File
71 lines
1.8 KiB
Python
Executable File
#!/usr/bin/python3
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from base64 import b64decode
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from hashlib import sha256
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import requests
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REPO = 'certifi/python-certifi'
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def fetch_certdata():
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r = requests.get('https://api.github.com/repos/%s/git/refs/heads/master' % REPO)
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assert(r.status_code == 200)
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commithash = r.json()['object']['sha']
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r = requests.get('https://raw.githubusercontent.com/%s/%s/certifi/cacert.pem' % (REPO, commithash))
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assert(r.status_code == 200)
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certdata = r.text
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return commithash, certdata
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def process_certdata(data):
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certs = {}
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lines = [x.strip() for x in data.split('\n')]
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label = None
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value = None
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for line in lines:
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if line.startswith('# Label: '):
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assert(label is None)
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assert(value is None)
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label = line.split('"')[1]
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elif line == '-----BEGIN CERTIFICATE-----':
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assert(label is not None)
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assert(value is None)
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value = ''
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elif line == '-----END CERTIFICATE-----':
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assert(label is not None)
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assert(value is not None)
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certs[label] = b64decode(value)
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label, value = None, None
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else:
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if value is not None:
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value += line
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return certs
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def main():
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commithash, certdata = fetch_certdata()
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print('# fetched from https://github.com/%s' % REPO)
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print('# commit %s' % commithash)
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certs = process_certdata(certdata)
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size = sum([len(x) for x in certs.values()])
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print('# certs: %d | digests size: %d | total size: %d' % (len(certs), len(certs) * 32, size))
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print('cert_bundle = [')
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for k, v in certs.items():
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h = sha256(v)
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print(' # %s' % k)
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print(' # %s' % h.hexdigest())
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print(' %s,' % h.digest())
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print(']')
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if __name__ == '__main__':
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main()
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