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#!/usr/bin/env python3
from __future__ import absolute_import
from future import standard_library
standard_library.install_aliases()
from builtins import str
import ssl
import time
import logging
import http.client
import OpenSSL
import datetime
from . import JobBase
from . import JobSpawner
class TLSCertExpiration(JobSpawner.JobSpawner):
servers = [
]
class CertChecker(JobBase.JobBase):
def __init__(self, config, url, frequency, failureNotificationFrequency, failuresBeforeNotification):
self.config = config
self.url = url
self.frequency = frequency
self.failureNotificationFrequency = failureNotificationFrequency
self.failuresBeforeNotification = failuresBeforeNotification
super(TLSCertExpiration.CertChecker, self).__init__(config, url)
def getName(self):
return str(self.__class__) + " for " + self.url
def executeEvery(self):
return self.frequency
def notifyOnFailureEvery(self):
return self.failureNotificationFrequency
def numberFailuresBeforeNotification(self):
return self.failuresBeforeNotification
def execute(self):
try:
context = ssl._create_unverified_context()
c = http.client.HTTPSConnection(self.url, context=context)
c.request("GET", "/")
asn1 = c.sock.getpeercert(True)
x509 = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_ASN1, asn1)
na = time.mktime(time.strptime(x509.get_notAfter()[:-1], '%Y%m%d%H%M%S'))
now = time.time()
delta = datetime.timedelta(seconds=(na - now))
if delta < datetime.timedelta(days=30):
self.failuremsg = "Server Certificate for " + self.url + " expires in " + str(delta.days) + " days"
return False
return True
except Exception as e:
self.failuremsg = "Could not get server certificate " + self.url + "\n" + str(e)
logging.warn(self.failuremsg)
return False
def onFailure(self):
return self.sendEmail(self.failuremsg, "")
def onStateChangeSuccess(self):
return self.sendEmail("Successfully hit " + self.url, "")
def get_sub_jobs(self, config):
for s in self.servers:
yield self.CertChecker(config, s[0], s[1], s[2], s[3])
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