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33 lines
903 B
Python
33 lines
903 B
Python
import dkim
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import email
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import sys
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def verify_dkim_signature(email_file):
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try:
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# Open and read the email file
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with open(email_file, 'rb') as f:
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raw_email = f.read()
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# Parse the email
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parsed_email = email.message_from_bytes(raw_email)
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# Extract the headers and body
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headers = parsed_email.as_bytes().split(b'\r\n\r\n', 1)[0]
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body = parsed_email.get_payload(decode=True)
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# Verify DKIM signature
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if dkim.verify(raw_email):
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print("DKIM signature is valid.")
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else:
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print("DKIM signature is invalid.")
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except Exception as e:
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print(f"An error occurred: {e}")
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print("Usage: python verify_dkim.py <path_to_email_file>")
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sys.exit(1)
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email_file = sys.argv[1]
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verify_dkim_signature(email_file)
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