#!/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.
CHECK_ID_extra745="7.45"
CHECK_TITLE_extra745="[extra745] Check if API Gateway endpoint is public or private (Not Scored) (Not part of CIS benchmark)"
CHECK_SCORED_extra745="NOT_SCORED"
CHECK_TYPE_extra745="EXTRA"
CHECK_SEVERITY_extra745="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra745="AwsApiGatewayRestApi"
CHECK_ALTERNATE_check745="extra745"

extra745(){
  for regx in $REGIONS; do
    LIST_OF_REST_APIS=$($AWSCLI $PROFILE_OPT --region $regx apigateway get-rest-apis --query 'items[*].id' --output text)
    if [[ $LIST_OF_REST_APIS ]];then
      for api in $LIST_OF_REST_APIS; do
        API_GW_NAME=$($AWSCLI apigateway get-rest-apis $PROFILE_OPT --region $regx --query "items[?id==\`$api\`].name" --output text)
        ENDPOINT_CONFIG_TYPE=$($AWSCLI $PROFILE_OPT --region $regx apigateway get-rest-api --rest-api-id $api --query endpointConfiguration.types --output text)
        if [[ $ENDPOINT_CONFIG_TYPE ]]; then
          case $ENDPOINT_CONFIG_TYPE in
            PRIVATE )
              textPass "$regx: API Gateway $API_GW_NAME ID $api is set as $ENDPOINT_CONFIG_TYPE" "$regx"
            ;;
            REGIONAL )
              textFail "$regx: API Gateway $API_GW_NAME ID $api is internet accesible as $ENDPOINT_CONFIG_TYPE" "$regx"
            ;;
            EDGE )
              textFail "$regx: API Gateway $API_GW_NAME ID $api is internet accesible as $ENDPOINT_CONFIG_TYPE" "$regx"
          esac
        fi
      done
    else
      textInfo "$regx: No API Gateways found" "$regx"
    fi
  done
}