#!/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_extra738="7.38"
CHECK_TITLE_extra738="[extra738] Check if CloudFront distributions are set to HTTPS"
CHECK_SCORED_extra738="NOT_SCORED"
CHECK_CIS_LEVEL_extra738="EXTRA"
CHECK_SEVERITY_extra738="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra738="AwsCloudFrontDistribution"
CHECK_ALTERNATE_check738="extra738"
CHECK_ASFF_COMPLIANCE_TYPE_extra738="ens-mp.com.2.aws.front.1"
CHECK_SERVICENAME_extra738="cloudfront"
CHECK_RISK_extra738='If not enabled sensitive information in transit is not protected. Surveillance and other threats are risks may exists.'
CHECK_REMEDIATION_extra738='Use HTTPS everywhere possible. It will enforce privacy and protect against account hijacking and other threats.'
CHECK_DOC_extra738='https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/using-https.html'
CHECK_CAF_EPIC_extra738='Data Protection'

extra738(){
    LIST_OF_DISTRIBUTIONS=$($AWSCLI cloudfront list-distributions --query 'DistributionList.Items[*].Id' $PROFILE_OPT --output text|grep -v ^None)
    if [[ $LIST_OF_DISTRIBUTIONS ]];then
      for dist in $LIST_OF_DISTRIBUTIONS; do
        CHECK_HTTPS_STATUS=$($AWSCLI cloudfront get-distribution --id $dist --query Distribution.DistributionConfig.DefaultCacheBehavior.ViewerProtocolPolicy $PROFILE_OPT --output text)
        if [[ $CHECK_HTTPS_STATUS == "allow-all" ]]; then
          textFail "$REGION: CloudFront distribution $dist viewers can use HTTP or HTTPS!" "$REGION" "$dist"
        elif [[ $CHECK_HTTPS_STATUS == "redirect-to-https" ]]; then
          textPass "$REGION: CloudFront distribution $dist has redirect to HTTPS" "$REGION" "$dist"
        else
          textPass "$REGION: CloudFront distribution $dist has HTTPS only" "$REGION" "$dist"
        fi
      done
    else
      textInfo "$REGION: No CloudFront distributions found" "$REGION"
    fi
}