collectors/azure/subscription/Get-MonkeyAzResourceGraphMetadata.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-MonkeyAzResourceGraphMetadata {
<#
        .SYNOPSIS
        Collector to get information about resources within a subscription
 
        .DESCRIPTION
        Collector to get information about resources within a subscription
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-MonkeyAzResourceGraphMetadata
            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 = "az00164";
            Provider = "Azure";
            Resource = "Subscription";
            ResourceType = $null;
            resourceName = $null;
            collectorName = "Get-MonkeyAzResourceGraphMetadata";
            ApiType = "resourceManagement";
            description = "Collector to get information about resources within a subscription";
            Group = @(
                "Subscription"
            );
            Tags = @(

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

            );
            enabled = $true;
            supportClientCredential = $true
        }
        $all_resources = [System.Collections.Generic.List[System.Object]]::new()
    }
    Process {
        $msg = @{
            MessageData = ($message.MonkeyGenericTaskMessage -f $collectorId,"Azure Resources",$O365Object.current_subscription.displayName);
            callStack = (Get-PSCallStack | Select-Object -First 1);
            logLevel = 'info';
            InformationAction = $O365Object.InformationAction;
            Tags = @('AzureResourcesInfo');
        }
        Write-Information @msg
        #Get resources info
        If($null -ne $O365Object.filterByResourceGroups){
            ForEach($rsrc in @($O365Object.filterByResourceGroups)){
                $query = ("Resources | project id, name, sku, type, location, resourceGroup | where resourceGroup == '{0}'" -f $rsrc);
                $data = Get-MonkeyAzResourceGraphObject -query $query
                If($null -ne $data){
                    If ($data -is [System.Collections.IEnumerable] -and $data -isnot [string]){
                        [void]$all_resources.AddRange($data)
                    }
                    ElseIf ($data.GetType() -eq [System.Management.Automation.PSCustomObject] -or $data.GetType() -eq [System.Management.Automation.PSObject]) {
                        [void]$all_resources.Add($data)
                    }
                }
            }
        }
        Else{
            $query = "Resources | project id, name, sku, type, location, resourceGroup";
            $data = Get-MonkeyAzResourceGraphObject -query $query
            If($null -ne $data){
                If ($data -is [System.Collections.IEnumerable] -and $data -isnot [string]){
                    [void]$all_resources.AddRange($data)
                }
                ElseIf ($data.GetType() -eq [System.Management.Automation.PSCustomObject] -or $data.GetType() -eq [System.Management.Automation.PSObject]) {
                    [void]$all_resources.Add($data)
                }
            }
        }
        #return object
        If ($all_resources.Count -gt 0) {
            $all_resources.PSObject.TypeNames.Insert(0,'Monkey365.Azure.Resources')
            [pscustomobject]$obj = @{
                Data = $all_resources;
                Metadata = $monkey_metadata;
            }
            $returnData.az_resources = $obj;
        }
        Else {
            $msg = @{
                MessageData = ($message.MonkeyEmptyResponseMessage -f "Azure Resources",$O365Object.TenantID);
                callStack = (Get-PSCallStack | Select-Object -First 1);
                logLevel = "verbose";
                InformationAction = $O365Object.InformationAction;
                Tags = @('AzureSubscriptionEmptyResponse');
                Verbose = $O365Object.Verbose;
            }
            Write-Verbose @msg
        }
    }
}