57 lines
1.5 KiB
Python
Executable File
57 lines
1.5 KiB
Python
Executable File
#openssl stuff
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import OpenSSL
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import socket, ssl
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#date stuff
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import dateutil.parser as date_parser
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from pytz import utc as UTC
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from datetime import datetime
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#collectd stuff
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#import collectd
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import ipaddress
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import pdb
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DOMAIN = "geekify.de"
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address_family = "ipv4"
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TIMEOUT_SECONDS = 1
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def configure(config):
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for c in config.children:
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print(c)
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today = datetime.now(UTC)
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port = 443
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if address_family == "ipv4":
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af = socket.AF_INET
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elif address_family == "ipv6":
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af = socket.AF_INET6
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else:
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proto = None
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try:
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addrinfo = socket.getaddrinfo(DOMAIN, None, af, proto=socket.IPPROTO_TCP)
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# addrinfo first contains an array of connections made, we want the first ([0]) and only one we made
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# this tuple then contains (family, type, proto, canonname, sockaddr) - we want sockaddr == [4]
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# this then can contain either (host, port) or (host, port, flowinfo, scopeid) depending on set address family. Since host is anyways at [0] we take this as final ip address
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host = addrinfo[0][4][0]
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except socket.gaierror:
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host = DOMAIN
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context = ssl.create_default_context()
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with socket.create_connection((host, port), TIMEOUT_SECONDS) as sock:
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with context.wrap_socket(sock, server_hostname=DOMAIN) as sslsock:
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der_cert = sslsock.getpeercert(True)
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pem_cert = ssl.DER_cert_to_PEM_cert(der_cert)
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x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_ASN1, der_cert)
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exp = x509.get_notAfter().decode("utf-8")
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expirary_date = date_parser.parse(exp)
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delta = expirary_date - today
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print(delta.total_seconds())
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pdb.set_trace()
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