#!/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_extra7130="7.130"
CHECK_TITLE_extra7130="[extra7130] Ensure there are no SNS Topics unencrypted"
CHECK_SCORED_extra7130="NOT_SCORED"
CHECK_TYPE_extra7130="EXTRA"
CHECK_SEVERITY_extra7130="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra7130="AwsSnsTopic"
CHECK_ALTERNATE_check7130="extra7130"
CHECK_SERVICENAME_extra7130="sns"

extra7130(){
  textInfo "Looking for SNS Topics in all regions...  "
  for regx in $REGIONS; do
    LIST_SNS=$($AWSCLI sns list-topics $PROFILE_OPT --region $regx --query 'Topics[*].TopicArn' --output text)
    if [[ $LIST_SNS ]];then
      for topic in $LIST_SNS; do
        SHORT_TOPIC=$(echo $topic | awk -F ":" '{print $NF}')
        SNS_ENCRYPTION=$($AWSCLI sns get-topic-attributes $PROFILE_OPT --region $regx --topic-arn $topic --query 'Attributes.KmsMasterKeyId' --output text)
        if [[ "None" == $SNS_ENCRYPTION ]]; then
          textFail "$regx: $SHORT_TOPIC is not encrypted!" "$regx"
        else
          textPass "$regx: $SHORT_TOPIC is encrypted" "$regx"
        fi
      done
    else
      textInfo "$regx: No SNS topic found" "$regx"
    fi
  done
}