#!/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_extra726="7.26"
CHECK_TITLE_extra726="[extra726] Check Trusted Advisor for errors and warnings (Not Scored) (Not part of CIS benchmark)"
CHECK_SCORED_extra726="NOT_SCORED"
CHECK_TYPE_extra726="EXTRA"
CHECK_SEVERITY_extra726="Medium"
CHECK_ALTERNATE_check726="extra726"
CHECK_SERVICENAME_extra726="trustedadvisor"
CHECK_RISK_extra726='Improve the security of your application by closing gaps; enabling various AWS security features; and examining your permissions.'
CHECK_REMEDIATION_extra726='Review and act upon its recommendations.'
CHECK_DOC_extra726='https://aws.amazon.com/premiumsupport/technology/trusted-advisor/best-practice-checklist/'
CHECK_CAF_EPIC_extra726='IAM'

extra726(){
  trap "exit" INT
  # forcing us-east-1 region only since support only works in that region
  TA_CHECKS_ID=$($AWSCLI support describe-trusted-advisor-checks --language en $PROFILE_OPT --region us-east-1 --query checks[*].id  --output text 2>&1)
  if [[ $(echo "$TA_CHECKS_ID" | grep SubscriptionRequiredException) ]]; then
    textInfo "Trusted Advisor requires AWS Premium Support Subscription"
    return
  fi

  for checkid in $TA_CHECKS_ID; do
    TA_CHECKS_NAME=$($AWSCLI support describe-trusted-advisor-checks --language en $PROFILE_OPT --region us-east-1 --query "checks[?id==\`$checkid\`].{name:name}[*]" --output text)
    QUERY_TA_CHECK_RESULT=$($AWSCLI support describe-trusted-advisor-check-result --check-id $checkid --language en $PROFILE_OPT --region us-east-1 --query 'result.status' --output text)
    # Possible results - https://docs.aws.amazon.com/cli/latest/reference/support/describe-trusted-advisor-check-result.html
    case "$QUERY_TA_CHECK_RESULT" in
      "ok")
        textPass "Trusted Advisor check $TA_CHECKS_NAME is in ok state $QUERY_TA_CHECK_RESULT"
        ;;
      "error")
        textFail "Trusted Advisor check $TA_CHECKS_NAME is in error state $QUERY_TA_CHECK_RESULT"
        ;;
      "warning")
        textInfo "Trusted Advisor check $TA_CHECKS_NAME is in warning state $QUERY_TA_CHECK_RESULT"
        ;;
      "not_available")
        textInfo "Trusted Advisor check $TA_CHECKS_NAME is in not_available state $QUERY_TA_CHECK_RESULT"
        ;;
      "*")
        textFail "Trusted Advisor check $TA_CHECKS_NAME is in unknown state $QUERY_TA_CHECK_RESULT"
        ;;
    esac
  done
}