monkey365

0.95.1

collectors/azure/network/Get-MonkeyAzVPNGateway.ps1

# Monkey365 - the PowerShell Cloud Security Tool for Azure and Microsoft 365 (copyright 2022) by Juan Garrido
#
# 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.


function Get-MonkeyAzVPNGateway {
<#
        .SYNOPSIS
        Collector to get information about existing VPN gateways from Azure
 
        .DESCRIPTION
        Collector to get information about existing VPN gateways from Azure
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-MonkeyAzVPNGateway
            Version : 1.0
 
        .LINK
            https://github.com/silverhack/monkey365
    #>
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns","",Scope = "Function")]
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $false,HelpMessage = "Background Collector ID")]
        [string]$collectorId
    )
    begin {
        #Collector metadata
        $monkey_metadata = @{
            Id = "az00024";
            Provider = "Azure";
            Resource = "VirtualNetwork";
            ResourceType = $null;
            resourceName = $null;
            collectorName = "Get-MonkeyAzVPNGateway";
            ApiType = "resourceManagement";
            description = "Collector to get information about existing VPN gateways from Azure";
            Group = @(
                "Network"
            );
            Tags = @(

            );
            references = @(
                "https://silverhack.github.io/monkey365/"
            );
            ruleSuffixes = @(
                "az_vpn_gateway"
            );
            dependsOn = @(

            );
            enabled = $true;
            supportClientCredential = $true
        }
        #Get Config
        $AzureVPNGatewayConfig = $O365Object.internal_config.ResourceManager | Where-Object { $_.Name -eq "azureVPNGateway" } | Select-Object -ExpandProperty resource
        #Get VPN gateways instances
        $VPNGatewaysInstances = $O365Object.all_resources.Where({ $_.Id -like '*Microsoft.Network/virtualNetworkGateways*' })
        if (-not $VPNGatewaysInstances) { continue }
        $AllVPNGateways = $null
    }
    process {
        $msg = @{
            MessageData = ($message.MonkeyGenericTaskMessage -f $collectorId,"Azure VPN Gateway",$O365Object.current_subscription.displayName);
            callStack = (Get-PSCallStack | Select-Object -First 1);
            logLevel = 'info';
            InformationAction = $O365Object.InformationAction;
            Tags = @('AzureVPNGatewayInfo');
        }
        Write-Information @msg
        If ($VPNGatewaysInstances.Count -gt 0) {
            $new_arg = @{
                APIVersion = $AzureVPNGatewayConfig.api_version;
            }
            $p = @{
                ScriptBlock = { Get-MonkeyAzVirtualNetworkGatewayInfo -InputObject $_ };
                Arguments = $new_arg;
                Runspacepool = $O365Object.monkey_runspacePool;
                ReuseRunspacePool = $true;
                Debug = $O365Object.VerboseOptions.Debug;
                Verbose = $O365Object.VerboseOptions.Verbose;
                InformationAction = $O365Object.InformationAction;
                MaxQueue = $O365Object.nestedRunspaces.MaxQueue;
                BatchSleep = $O365Object.nestedRunspaces.BatchSleep;
                BatchSize = $O365Object.nestedRunspaces.BatchSize;
            }
            $AllVPNGateways = $VPNGatewaysInstances | Invoke-MonkeyJob @p
        }
    }
    end {
        if ($AllVPNGateways) {
            $AllVPNGateways.PSObject.TypeNames.Insert(0,'Monkey365.Azure.VPNGateway')
            [pscustomobject]$obj = @{
                Data = $AllVPNGateways;
                Metadata = $monkey_metadata;
            }
            $returnData.az_vpn_gateway = $obj;
        }
        else {
            $msg = @{
                MessageData = ($message.MonkeyEmptyResponseMessage -f "Azure VPN Gateway",$O365Object.TenantID);
                callStack = (Get-PSCallStack | Select-Object -First 1);
                logLevel = "verbose";
                InformationAction = $O365Object.InformationAction;
                Tags = @('AzureVPNGatewayEmptyResponse');
                Verbose = $O365Object.Verbose;
            }
            Write-Verbose @msg
        }
    }
}