#!/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_extra7150="7.150"
CHECK_TITLE_extra7150="[extra7150] Check if Elastic Load Balancers have deletion protection enabled"
CHECK_SCORED_extra7150="NOT_SCORED"
CHECK_CIS_LEVEL_extra7150="EXTRA"
CHECK_SEVERITY_extra7150="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra7150="AwsElbLoadBalancer"
CHECK_ALTERNATE_check7150="extra7150"
CHECK_SERVICENAME_extra7150="elb"
CHECK_RISK_extra7150='If deletion protection is not enabled; the resource is not protected against deletion.'
CHECK_REMEDIATION_extra7150='Enable deletion protection attribute; this is not enabled by default.'
CHECK_DOC_extra7150='https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#deletion-protection'
CHECK_CAF_EPIC_extra7150='Data Protection'

extra7150(){
  # "Check if Elastic Load Balancers have delete protection enabled."
  for regx in $REGIONS; do
    LIST_OF_ELBSV2=$($AWSCLI elbv2 describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancers[*].LoadBalancerArn' --output text 2>&1|xargs -n1 )
    if [[ $(echo "$LIST_OF_ELBSV2" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
        textInfo "$regx: Access Denied trying to describe load balancers" "$regx"
        continue
    fi
    if [[ $LIST_OF_ELBSV2 ]]; then
      for elb in $LIST_OF_ELBSV2; do
        CHECK_DELETION_PROTECTION_ENABLED=$($AWSCLI elbv2 describe-load-balancer-attributes $PROFILE_OPT --region $regx --load-balancer-arn $elb --query Attributes[*] --output text|grep "deletion_protection.enabled"|grep true )
        ELBV2_NAME=$(echo $elb|cut -d\/ -f3)
        if [[ $CHECK_DELETION_PROTECTION_ENABLED ]]; then
          textPass "$regx: $ELBV2_NAME has the attribute deletion protection enabled" "$regx" "$elb"
        else
          textFail "$regx: $ELBV2_NAME does not have deletion protection enabled." "$regx" "$elb"
        fi
      done
    else
      textInfo "$regx: No ELBs found" "$regx"
    fi
  done
}