old_contents: #!/usr/bin/env python
  
  # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  # Copyright (c) 2014 Mozilla Corporation
  #
  # Contributors:
  # kang@mozilla.com
  #
  # This script alerts when openvpn's duo security failed to contact the duo server and let the user in.
  # This is a very serious warning that must be acted upon as it means MFA failed and only one factor was validated (in
  # this case a VPN certificate)
  
  from lib.alerttask import AlertTask
  import pyes
  
  class AlertDuoFailOpen(AlertTask):
      def main(self):
          # look for events in last 15 mins
          date_timedelta = dict(minutes=15)
          # Configure filters using pyes
          must = [
              pyes.ExistsFilter('details.hostname'),
              pyes.QueryFilter(pyes.MatchQuery('summary','DuoAPI contact failed','phrase'))
          ]
          self.filtersManual(date_timedelta, must=must)
  
          # Search aggregations on field 'sourceipaddress', keep X samples of events at most
          self.searchEventsAggreg('hostname', samplesLimit=10)
          # alert when >= X matching events in an aggregation
          # in this case, always
          self.walkAggregations(threshold=1)
  
      # Set alert properties
      def onAggreg(self, aggreg):
          # aggreg['count']: number of items in the aggregation, ex: number of failed login attempts
          # aggreg['value']: value of the aggregation field, ex: toto@example.com
          # aggreg['events']: list of events in the aggregation
          category = 'bypass'
          tags = ['openvpn', 'duosecurity']
          severity = 'WARNING'
  
          summary = ('DuoSecurity OpenVPN contact failed, fail open triggered on {0}'.aggreg['value'])
  
          # Create the alert object based on these properties
          return self.createAlertDict(summary, category, tags, aggreg['events'], severity)
  
  
new_contents: #!/usr/bin/env python
  
  # This Source Code Form is subject to the terms of the Mozilla Public
  # License, v. 2.0. If a copy of the MPL was not distributed with this
  # file, You can obtain one at http://mozilla.org/MPL/2.0/.
  # Copyright (c) 2014 Mozilla Corporation
  #
  # Contributors:
  # kang@mozilla.com
  #
  # This script alerts when openvpn's duo security failed to contact the duo server and let the user in.
  # This is a very serious warning that must be acted upon as it means MFA failed and only one factor was validated (in
  # this case a VPN certificate)
  
  from lib.alerttask import AlertTask
  import pyes
  
  class AlertDuoFailOpen(AlertTask):
      def main(self):
          # look for events in last 15 mins
          date_timedelta = dict(minutes=15)
          # Configure filters using pyes
          must = [
              pyes.QueryFilter(pyes.MatchQuery('summary','Failsafe Duo login','phrase'))
          ]
          self.filtersManual(date_timedelta, must=must)
  
          # Search aggregations on field 'sourceipaddress', keep X samples of events at most
          self.searchEventsAggreg('hostname', samplesLimit=10)
          # alert when >= X matching events in an aggregation
          # in this case, always
          self.walkAggregations(threshold=1)
  
      # Set alert properties
      def onAggreg(self, aggreg):
          # aggreg['count']: number of items in the aggregation, ex: number of failed login attempts
          # aggreg['value']: value of the aggregation field, ex: toto@example.com
          # aggreg['events']: list of events in the aggregation
          category = 'bypass'
          tags = ['openvpn', 'duosecurity']
          severity = 'WARNING'
  
          summary = 'DuoSecurity contact failed, fail open triggered on {0}'.format(aggreg['value'])
  
          # Create the alert object based on these properties
          return self.createAlertDict(summary, category, tags, aggreg['events'], severity)
  
  
subject: correct the search for duo fail open messages