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#!/usr/bin/python
# -*- coding: UTF-8 -*-
# -*- Mode: Python -*-
#
# Copyright (C) 2006 Bertera Pietro <pietro@bertera.it>
# Copyright (C) 2015 mh <mh@immerda.ch>
# Response time monitoring with perfdata modification by Ivan Savcic <isavcic@gmail.com> and Milos Buncic, 2012.
# Derived from: https://github.com/isavcic/check_imap_login

# This file may be distributed and/or modified under the terms of
# the GNU General Public License version 2 as published by
# the Free Software Foundation.
# This file is distributed without any warranty; without even the implied
# warranty of merchantability or fitness for a particular purpose.

import sys, os, poplib, getopt
from time import time

def usage():
  print sys.argv[0] + " -u <user> -p <password> -H <host> [-s] -w <warning threshold (sec)> -c <critical threshold (sec)>\n -s is for using POP3s"

def main():
  try:
    opts, args = getopt.getopt(sys.argv[1:], "u:p:sH:w:c:")
  except getopt.GetoptError:
    usage()
    return 3

  user = host = password = use_ssl = warning = critical = None

  for o, a in opts:
    if o == "-u":
      user = a
    elif o == "-p":
      password = a
    elif o == "-s":
      use_ssl = True
    elif o == "-H":
      host = a
    elif o == "-w":
      warning = float(a)
    elif o == "-c":
      critical = float(a)

  if user == None or password == None or host == None or warning == None or critical == None:
    usage()
    return 1

  if use_ssl:
    M = poplib.POP3_SSL(host=host)
  else:
    M = poplib.POP3(host)

  timestamp = time()

  try:
    M.getwelcome()
    M.user(user)
    M.pass_(password)
  except Exception, e:
    print "CRITICAL POP3 Login Failed: %s" % e
    return 2

  M.quit()

  timestamp = time() - timestamp

  if timestamp < warning:
    status = "OK"
    exitcode = 0
  if timestamp >= warning:
    status = "WARNING"
    exitcode = 1
  if timestamp >= critical:
    status = "CRITICAL"
    exitcode = 2

  print '%s POP3 Login | response_time=%.3fs;%.3f;%.3f' % (status, timestamp, warning, critical)

  return exitcode

if __name__ == "__main__":
  sys.exit(main())