#!/usr/bin/env bash

# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy
# of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra719="7.19"
CHECK_TITLE_extra719="[extra719] Check if Route53 public hosted zones are logging queries to CloudWatch Logs"
CHECK_SCORED_extra719="NOT_SCORED"
CHECK_CIS_LEVEL_extra719="EXTRA"
CHECK_SEVERITY_extra719="Medium"
CHECK_ALTERNATE_check719="extra719"
CHECK_ASFF_RESOURCE_TYPE_extra719="AwsRoute53HostedZone"
CHECK_SERVICENAME_extra719="route53"
CHECK_RISK_extra719='If logs are not enabled; monitoring of service use and threat analysis is not possible.'
CHECK_REMEDIATION_extra719='Enable CloudWatch logs and define metrics and uses cases for the events recorded.'
CHECK_DOC_extra719='https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/monitoring-hosted-zones-with-cloudwatch.html'
CHECK_CAF_EPIC_extra719='Logging and Monitoring'

extra719(){
  # You can't create a query logging config for a private hosted zone.
  LIST_OF_HOSTED_ZONES=$($AWSCLI route53 list-hosted-zones $PROFILE_OPT | jq -r ".HostedZones[] | select(.Config.PrivateZone == false) | .Id")
  if [[ $LIST_OF_HOSTED_ZONES ]]; then
    for hostedzoneid in $LIST_OF_HOSTED_ZONES;do
      HOSTED_ZONE_QUERY_LOG_ENABLED=$($AWSCLI route53 list-query-logging-configs --hosted-zone-id $hostedzoneid $PROFILE_OPT --query QueryLoggingConfigs[*].CloudWatchLogsLogGroupArn --output text|cut -d: -f7)
      if [[ $HOSTED_ZONE_QUERY_LOG_ENABLED ]];then
        textPass "$REGION: Route53 public hosted zone Id $hostedzoneid has query logging enabled in Log Group $HOSTED_ZONE_QUERY_LOG_ENABLED" "$REGION" "$hostedzoneid"
      else
        textFail "$REGION: Route53 public hosted zone Id $hostedzoneid has query logging disabled!" "$REGION" "$hostedzoneid"
      fi
    done
  else
    textInfo "$REGION: No Route53 hosted zones found" "$REGION" 
  fi
}