#!/usr/bin/env bash

# Prowler - the handy cloud security tool (c) by Toni de la Fuente
#
# This Prowler check is licensed under a
# Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
#
# You should have received a copy of the license along with this
# work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.

CHECK_ID_check21="2.1,2.01"
CHECK_TITLE_check21=" Ensure CloudTrail is enabled in all regions (Scored)"
CHECK_SCORED_check21="SCORED"
CHECK_TYPE_check21="LEVEL1"
CHECK_ALTERNATE_check201="check21"

check21(){
  trail_count=0
  # "Ensure CloudTrail is enabled in all regions (Scored)"
    REGIONS=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --query 'trailList[*].HomeRegion' --output text)
    result='False'
	for regx in $REGIONS; do
		LIST_OF_TRAILS=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query 'trailList[*].Name' --output text)
		if [[ $LIST_OF_TRAILS ]];then
				for trail in $LIST_OF_TRAILS;do
                        trail_count=$((trail_count + 1))
                        MULTIREGION_TRAIL_STATUS=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query 'trailList[*].IsMultiRegionTrail' --output text --trail-name-list $trail)
                        ISLOGGING_STATUS=$($AWSCLI cloudtrail get-trail-status $PROFILE_OPT --region $regx --name $trail --query ['IsLogging'] --output text)
                        INCLUDEMANAGEMENTEVENTS_STATUS=$($AWSCLI cloudtrail  get-event-selectors $PROFILE_OPT --region $regx --trail-name $trail --query EventSelectors[*].IncludeManagementEvents --output text)
                        READWRITETYPE_STATUS=$($AWSCLI cloudtrail  get-event-selectors $PROFILE_OPT --region $regx --trail-name $trail --query EventSelectors[*].ReadWriteType --output text)  
                        
                        echo $MULTIREGION_TRAIL_STATUS $ISLOGGING_STATUS $INCLUDEMANAGEMENTEVENTS_STATUS $READWRITETYPE_STATUS [ "$INCLUDEMANAGEMENTEVENTS_STATUS" == *"True"* ]
                        if [[ "$MULTIREGION_TRAIL_STATUS" == "True" ]] && [[ "$ISLOGGING_STATUS" == "True" ]] && [[ "$INCLUDEMANAGEMENTEVENTS_STATUS" == *"True"* ]] && [[ "$READWRITETYPE_STATUS" == *"All"* ]];then
                            textPass "$trail trail in $regx is enabled for all regions"
                            result='True'
                            break
                        fi
				done
		fi
	done
    if [[ $result == 'False' ]]; then
      textFail "trail exist but it is not enabled in multi region mode"
    fi
	if [[ $trail_count == 0 ]]; then
      textFail "No CloudTrail trails were found in the account"
    fi
}