79 lines
1.7 KiB
Python
79 lines
1.7 KiB
Python
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import subprocess as _subprocess
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def get_certificate_info_raw(source):
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p1 = _subprocess.Popen(
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["openssl", "x509", "-outform", "pem"],
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stdin = _subprocess.PIPE,
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stdout = _subprocess.PIPE
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)
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(p1_stdout, p1_stderr, ) = p1.communicate(input = bytes(source, "utf-8"))
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p2 = _subprocess.Popen(
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["openssl", "x509", "-noout", "-text"],
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stdin = _subprocess.PIPE,
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stdout = _subprocess.PIPE
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)
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(p2_stdout, p2_stderr, ) = p2.communicate(input = p1_stdout)
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return p2_stdout.decode("utf-8")
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def get_certificate_info_from_file(path):
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return get_certificate_info_raw(
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_subprocess.check_output(
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["cat", path],
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text = True
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)
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)
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def get_certificate_info_from_internet(domain):
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return get_certificate_info_raw(
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_subprocess.check_output(
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["openssl", "s_client", "-connect", ("%s:443" % domain), "-showcerts"],
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stdin = _subprocess.DEVNULL,
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stderr = _subprocess.DEVNULL,
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text = True
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)
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)
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def extract_fingerprint(certificate_info):
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state = {
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"situation": 0,
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"result": "",
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}
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for line in certificate_info.split("\n"):
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if (state["situation"] == 0):
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if (line.strip() == "Subject Public Key Info:"):
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state = {
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"situation": 1,
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"result": state["result"],
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}
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else:
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pass
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elif (state["situation"] == 1):
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if (line.strip() == "pub:"):
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state = {
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"situation": 2,
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"result": state["result"],
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}
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else:
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pass
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elif (state["situation"] == 2):
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if (line.startswith(" ")):
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state = {
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"situation": 2,
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"result": (state["result"] + line.strip().replace(":", "")),
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}
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else:
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state = {
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"situation": 3,
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"result": state["result"]
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}
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break
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else:
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pass
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return state["result"]
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