#!/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_extra791="7.91"
CHECK_TITLE_extra791="[extra791] Check if CloudFront distributions are using deprecated SSL protocols"
CHECK_SCORED_extra791="NOT_SCORED"
CHECK_CIS_LEVEL_extra791="EXTRA"
CHECK_SEVERITY_extra791="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra791="AwsCloudFrontDistribution"
CHECK_ALTERNATE_check791="extra791"
CHECK_SERVICENAME_extra791="cloudfront"
CHECK_RISK_extra791='Using insecure ciphers could affect privacy of in transit information.'
CHECK_REMEDIATION_extra791='Use a Security policy with a ciphers that are stronger as possible. Drop legacy and unsecure ciphers.'
CHECK_DOC_extra791='https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/secure-connections-supported-viewer-protocols-ciphers.html'
CHECK_CAF_EPIC_extra791='Data Protection'

extra791(){
    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 $LIST_OF_DISTRIBUTIONS; do
        CHECK_ORIGINSSLPROTOCOL_STATUS=$($AWSCLI cloudfront get-distribution --id $dist --query Distribution.DistributionConfig.Origins.Items[].CustomOriginConfig.OriginSslProtocols.Items $PROFILE_OPT --output text)
        if [[ $CHECK_ORIGINSSLPROTOCOL_STATUS == *"SSLv2"* ]] || [[ $CHECK_ORIGINSSLPROTOCOL_STATUS == *"SSLv3"* ]]; then
          textFail "CloudFront distribution $dist is using a deprecated SSL protocol!" "$regx" "$dist"
        else
          textPass "CloudFront distribution $dist is not using a deprecated SSL protocol" "$regx" "$dist"
        fi
      done
    else
      textInfo "No CloudFront distributions found" "$regx"
    fi
}