mirror of
https://github.com/robertdavidgraham/hunter-dkim
synced 2026-05-26 13:58:27 +00:00
Robert David Graham
26 lines
1.1 KiB
Python
Executable File
26 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Command-line tool to use hardcoded public-key instead of DNS query
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# from https://gist.githubusercontent.com/stevecheckoway/51e63d4c269bd2be4a50a3b39645a77c/raw/4ed815490f4c619a5ba47dcd01d50aa32ee2cf55/verify.py
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# written by Stephen Checkoway @stevecheckoway
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# do 'pip install dkimpy' first to get 'dkim' dependency
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from dkim import DKIM
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import sys
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def get_txt(*args, **kwargs):
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return b'k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Kd87/UeJjenpabgbFwh+eBCsSTrqmwIYYvywlbhbqoo2DymndFkbjOVIPIldNs/m40KF+yzMn1skyoxcTUGCQs8g3FgD2Ap3ZB5DekAo5wMmk4wimDO+U8QzI3SD0" "7y2+07wlNWwIt8svnxgdxGkVbbhzY8i+RQ9DpSVpPbF7ykQxtKXkv/ahW3KjViiAH+ghvvIhkx4xYSIc9oSwVmAl5OctMEeWUwg8Istjqz8BZeTWbf41fbNhte7Y+YqZOwq1Sd0DbvYAD9NOZK9vlfuac0598HY+vtSBczUiKERHv1yRbcaQtZFh5wtiRrN04BLUTD21MycBX5jYchHjPY/wIDAQAB'
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failed = False
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for path in sys.argv[1:]:
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with open(path, 'rb') as f:
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verifier = DKIM(message=f.read())
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if verifier.verify(0, dnsfunc=get_txt):
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print("{}: DKIM signature verified".format(path))
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else:
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print("{}: DKIM signature verification failed".format(path))
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failed = True
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if failed:
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sys.exit(1)
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