#!/usr/bin/env bash
    
# Prowler - the handy cloud security tool (copyright 2020) 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_extra7104="7.104"
CHECK_TITLE_extra7104="[extra7104] Check if Amazon SageMaker Notebook instances have VPC settings configured"
CHECK_SCORED_extra7104="NOT_SCORED"
CHECK_TYPE_extra7104="EXTRA"
CHECK_ASFF_RESOURCE_TYPE_extra7104="AwsSageMakerNotebookInstance"
CHECK_ALTERNATE_check7104="extra7104"
CHECK_SEVERITY_extra7104="Medium"
CHECK_SERVICENAME_extra7104="sagemaker"
CHECK_RISK_extra7104='This could provide an avenue for unauthorized access to your data.'
CHECK_REMEDIATION_extra7104='Restrict which traffic can access by launching Studio in a Virtual Private Cloud (VPC) of your choosing.'
CHECK_DOC_extra7104='https://docs.aws.amazon.com/sagemaker/latest/dg/studio-notebooks-and-internet-access.html'
CHECK_CAF_EPIC_extra7104='Infrastructure Security'

extra7104(){
    for regx in ${REGIONS}; do
        LIST_SM_NB_INSTANCES=$($AWSCLI $PROFILE_OPT --region $regx sagemaker list-notebook-instances --query 'NotebookInstances[*].NotebookInstanceName' --output text)
        if [[ $LIST_SM_NB_INSTANCES ]];then 
            for nb_instance in $LIST_SM_NB_INSTANCES; do
                SM_NB_SUBNETID=$($AWSCLI $PROFILE_OPT --region $regx sagemaker describe-notebook-instance --notebook-instance-name $nb_instance --query 'SubnetId' --output text)
                if [[ "${SM_NB_SUBNETID}" == "None" ]]; then
                    textFail "${regx}: Sagemaker Notebook instance $nb_instance has VPC settings disabled" "${regx}" "$nb_instance"
                else
                    textPass "${regx}: Sagemaker Notebook instance $nb_instance is in a VPC" "${regx}" "$nb_instance"
                fi 
            done
        else 
            textInfo "${regx}: No Sagemaker Notebook instances found" "${regx}"
        fi 
    done
}