#!/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:
#
#   https://docs.aws.amazon.com/cli/latest/reference/secretsmanager/rotate-secret.html
#
#   rotate-secret
#       --secret-id <value>
#       [--client-request-token <value>]
#       [--rotation-lambda-arn <value>]
#       [--rotation-rules <value>]
#       [--cli-input-json <value>]
#       [--generate-cli-skeleton <value>]


CHECK_ID_extra7163="7.163"
CHECK_TITLE_extra7163="[extra7163] Check if Secrets Manager key rotation is enabled"
CHECK_SCORED_extra7163="NOT_SCORED"
CHECK_CIS_LEVEL_extra7163="EXTRA"
CHECK_SEVERITY_extra7163="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra7163="AwsSecretsManagerSecret"
CHECK_ALTERNATE_extra7163="extra7163"
CHECK_SERVICENAME_extra7163="secretsmanager"
CHECK_RISK_extra7163="Rotating secrets minimizes exposure to attacks using stolen keys."
CHECK_REMEDITATION_extra7163="Enable key rotation on Secrets Manager key."
CHECK_DOC_extra7163="https://docs.aws.amazon.com/secretsmanager/latest/userguide/rotating-secrets_strategies.html"
CHECK_CAF_EPIC_extra7163="Data Protection"

extra7163(){
    # "Check if Secrets Manager key rotation is enabled"
    for regx in $REGIONS; do
      LIST_OF_SECRETS=$($AWSCLI secretsmanager list-secrets $PROFILE_OPT --region $regx --query 'SecretList[*].Name' --output text 2>&1)
      if [[ $(echo "$LIST_OF_SECRETS" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
          textInfo "$regx: Access Denied trying to list secrets" "$regx"
          continue
      fi
      if [[ $LIST_OF_SECRETS ]]; then
        for secret in $LIST_OF_SECRETS; do
          KEY_ROTATION_ENABLED=$($AWSCLI secretsmanager describe-secret $PROFILE_OPT --region $regx --secret-id $secret --output json | jq '.RotationEnabled')
          if [[ $KEY_ROTATION_ENABLED == true ]]; then
            textPass "$regx: $secret has key rotation enabled." "$regx" "$secret"
          else
            textFail "$regx: $secret does not have key rotation enabled." "$regx" "$secret"
          fi
        done
      else
        textPass "$regx: No Secrets Manager secrets found." "$regx"
      fi
    done
}