#!/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.

# Checks that the correct mode (json-asff) has been specified if wanting to send check output to AWS Security Hub
# and that Security Hub is enabled in the chosen region
checkSecurityHubCompatibility(){
  if [[ "${MODE}" != "json-asff" ]]; then
    echo -e "\n$RED ERROR!$NORMAL Output can only be sent to Security Hub when the output mode is json-asff, i.e. -M json-asff -S\n"
    EXITCODE=1
    exit $EXITCODE
  fi
  SECURITY_HUB_ENABLED=$($AWSCLI securityhub --region $REGION $PROFILE_OPT describe-hub)
  if [[ -z "${SECURITY_HUB_ENABLED}" ]]; then
    echo -e "\n$RED ERROR!$NORMAL Security Hub is not enabled in $REGION. Enable it by calling '$AWSCLI securityhub --region $REGION $PROFILE_OPT enable-security-hub'\n"
    EXITCODE=1
    exit $EXITCODE
  fi
}

sendToSecurityHub(){
  BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region $REGION $PROFILE_OPT batch-import-findings --findings "$1")
  # A successful CLI response is: {"SuccessCount": 1,"FailedFindings": [],"FailedCount": 0}
  # Therefore, check that SuccessCount is indeed 1
  if [[ -z "${BATCH_IMPORT_RESULT}" ]] || ! jq -e '.SuccessCount == 1' <<< "${BATCH_IMPORT_RESULT}" > /dev/null 2>&1; then
    echo -e "\n$RED ERROR!$NORMAL Failed to send check output to AWS Security Hub\n"
  fi
}