#!/usr/bin/env bash

# Prowler - the handy cloud security tool (copyright 2019) 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.

# Remediation:
#
#   here URL to the relevand/official documentation
#
#   here commands or steps to fix it if avalable, like:
#   aws logs put-metric-filter \
#     --region us-east-1 \
#     --log-group-name CloudTrail/MyCloudTrailLG \
#     --filter-name AWSCloudTrailChanges \
#     --filter-pattern '{ ($.eventName = CreateTrail) || ($.eventName = UpdateTrail) || ($.eventName = DeleteTrail) || ($.eventName = StartLogging) || ($.eventName = StopLogging) }' \
#     --metric-transformations metricName=CloudTrailEventCount,metricNamespace=CloudTrailMetrics,metricValue=1

# CHECK_ID_checkN="N.N"
# CHECK_TITLE_checkN="[checkN] Description "
# CHECK_SCORED_checkN="NOT_SCORED"
# CHECK_CIS_LEVEL_checkN="EXTRA"
# CHECK_SEVERITY_checkNN="Medium"
# CHECK_ASFF_RESOURCE_TYPE_checkN="AwsAccount" # Choose appropriate value from https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-findings-format.html#asff-resources
# CHECK_ALTERNATE_checkN="extraN"
# CHECK_SERVICENAME_checkN="service" # get service short name from `curl -s https://api.regional-table.region-services.aws.a2z.com/index.json | jq -r '.prices[] | .id' | awk -F: '{ print $1 }' | sort -u`
# CHECK_RISK_checkN=""
# CHECK_REMEDIATION_checkN=""
# CHECK_DOC_checkN=""
# CHECK_CAF_EPIC_checkN=""

# Example of regional resource
# extraN(){
#   # "Description "
#   textInfo "Looking for instances in all regions...  "
#   for regx in $REGIONS; do
#     LIST_OF_PUBLIC_INSTANCES=$($AWSCLI ec2 describe-instances $PROFILE_OPT --region $regx --query 'Reservations[*].Instances[?PublicIpAddress].[InstanceId,PublicIpAddress]' --output text)
#     if [[ $LIST_OF_PUBLIC_INSTANCES ]];then
#       while read -r instance;do
#         INSTANCE_ID=$(echo $instance | awk '{ print $1; }')
#         PUBLIC_IP=$(echo $instance | awk '{ print $2; }')
#         textFail "$regx: Instance: $INSTANCE_ID at IP: $PUBLIC_IP is internet-facing!" "$regx" "$INSTANCE_ID"
#       done <<< "$LIST_OF_PUBLIC_INSTANCES"
#       else
#         textPass "$regx: no Internet Facing EC2 Instances found" "$regx"
#     fi
#   done
# }

# Example of global resource
# extraN(){
#   # "Description "
#   LIST_DISTRIBUTIONS=$($AWSCLI cloudfront list-distributions $PROFILE_OPT --query 'DistributionList.Items[*].Id' --output text |grep -v ^None)
#   if [[ $LIST_DISTRIBUTIONS ]]; then
#     for dist in $LIST_DISTRIBUTIONS; do
#       GEO_ENABLED=$($AWSCLI cloudfront get-distribution-config $PROFILE_OPT --id $dist --query DistributionConfig.Restrictions.GeoRestriction.RestrictionType --output text)
#       if [[ $GEO_ENABLED == "none" ]]; then
#         textFail "$REGION: CloudFront distribution $dist has not Geo restrictions" "$REGION" "$dist"
#       else
#         textPass "$REGION: CloudFront distribution $dist has Geo restrictions enabled" "$REGION" "$dist"
#       fi
#     done
#   else
#     textInfo "$REGION: No CloudFront distributions found"
#   fi
# }