DSCResources/MSFT_AADGroupsSettings/MSFT_AADGroupsSettings.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $EnableGroupCreation, [Parameter()] [System.Boolean] $AllowGuestsToBeGroupOwner, [Parameter()] [System.Boolean] $AllowGuestsToAccessGroups, [Parameter()] [System.String] $GuestUsageGuidelinesUrl, [Parameter()] [System.String] $GroupCreationAllowedGroupName, [Parameter()] [System.Boolean] $AllowToAddGuests, [Parameter()] [System.String] $UsageGuidelinesUrl, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) Write-Verbose -Message 'Getting configuration of AzureAD Groups Settings' $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $nullReturn = $PSBoundParameters $nullReturn.Ensure = 'Absent' try { $Policy = Get-MgBetaDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq 'Group.Unified' } if ($null -eq $Policy) { return $nullReturn } else { Write-Verbose -Message 'Found existing AzureAD Groups Settings' $AllowedGroupName = $null $GroupCreationValue = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'GroupCreationAllowedGroupId' } if (-not [System.String]::IsNullOrEmpty($GroupCreationValue.Value)) { $groupObject = Get-MgGroup -GroupId $GroupCreationValue.Value -ErrorAction SilentlyContinue $AllowedGroupName = $null if ($groupObject) { $AllowedGroupName = $groupObject.DisplayName } } $valueEnableGroupCreation = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'EnableGroupCreation' } $valueAllowGuestsToBeGroupOwner = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowGuestsToBeGroupOwner' } $valueAllowGuestsToAccessGroups = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowGuestsToAccessGroups' } $valueGuestUsageGuidelinesUrl = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'GuestUsageGuidelinesUrl' } $valueAllowToAddGuests = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowToAddGuests' } $valueUsageGuidelinesUrl = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'UsageGuidelinesUrl' } $result = @{ IsSingleInstance = 'Yes' EnableGroupCreation = [Boolean]::Parse($valueEnableGroupCreation.Value) AllowGuestsToBeGroupOwner = [Boolean]::Parse($valueAllowGuestsToBeGroupOwner.Value) AllowGuestsToAccessGroups = [Boolean]::Parse($valueAllowGuestsToAccessGroups.Value) GuestUsageGuidelinesUrl = $valueGuestUsageGuidelinesUrl.Value AllowToAddGuests = [Boolean]::Parse($valueAllowToAddGuests.Value) UsageGuidelinesUrl = $valueUsageGuidelinesUrl.Value Ensure = 'Present' ApplicationId = $ApplicationId TenantId = $TenantId ApplicationSecret = $ApplicationSecret CertificateThumbprint = $CertificateThumbprint Credential = $Credential Managedidentity = $ManagedIdentity.IsPresent } if (-not [System.String]::IsNullOrEmpty($AllowedGroupName)) { $result.Add('GroupCreationAllowedGroupName', $AllowedGroupName) } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullReturn } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $EnableGroupCreation, [Parameter()] [System.Boolean] $AllowGuestsToBeGroupOwner, [Parameter()] [System.Boolean] $AllowGuestsToAccessGroups, [Parameter()] [System.String] $GuestUsageGuidelinesUrl, [Parameter()] [System.String] $GroupCreationAllowedGroupName, [Parameter()] [System.Boolean] $AllowToAddGuests, [Parameter()] [System.String] $UsageGuidelinesUrl, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) Write-Verbose -Message 'Setting configuration of Azure AD Groups Settings' #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $currentPolicy = Get-TargetResource @PSBoundParameters # Policy should exist but it doesn't $needToUpdate = $false if ($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Absent') { $Policy = New-MgBetaDirectorySetting -TemplateId '62375ab9-6b52-47ed-826b-58e47e0e304b' | Out-Null $needToUpdate = $true } $Policy = Get-MgBetaDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq 'Group.Unified' } if (($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Present') -or $needToUpdate) { $groupObject = $null if (-not [System.String]::IsNullOrEmpty($GroupCreationAllowedGroupName)) { $groupObject = Get-MgGroup -Filter "DisplayName eq '$GroupCreationAllowedGroupName'" } $groupId = $null if ($null -ne $groupObject) { $groupId = $groupObject.Id } $index = 0 foreach ($property in $Policy.Values) { if ($property.Name -eq 'EnableGroupCreation') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'EnableGroupCreation' } $entry.Value = [System.Boolean]$EnableGroupCreation } elseif ($property.Name -eq 'AllowGuestsToBeGroupOwner') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowGuestsToBeGroupOwner' } $entry.Value = [System.Boolean]$AllowGuestsToBeGroupOwner } elseif ($property.Name -eq 'AllowGuestsToAccessGroups') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowGuestsToAccessGroups' } $entry.Value = [System.Boolean]$AllowGuestsToAccessGroups } elseif ($property.Name -eq 'GuestUsageGuidelinesUrl') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'GuestUsageGuidelinesUrl' } $entry.Value = $GuestUsageGuidelinesUrl } elseif ($property.Name -eq 'GroupCreationAllowedGroupId') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'GroupCreationAllowedGroupId' } $entry.Value = $groupId } elseif ($property.Name -eq 'AllowToAddGuests') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'AllowToAddGuests' } $entry.Value = [System.Boolean]$AllowToAddGuests } elseif ($property.Name -eq 'UsageGuidelinesUrl') { $entry = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'UsageGuidelinesUrl' } $entry.Value = $UsageGuidelinesUrl } $index++ } Write-Verbose -Message "Updating Policy's Values with $($Policy.Values | Out-String)" Update-MgBetaDirectorySetting -DirectorySettingId $Policy.id -Values $Policy.Values | Out-Null } elseif ($Ensure -eq 'Absent' -and $currentPolicy.Ensure -eq 'Present') { Write-Verbose -Message "An existing Directory Setting entry exists, and we don't allow to have it removed." throw 'The AADGroupsSettings resource cannot delete existing Directory Setting entries. Please specify Present.' } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $EnableGroupCreation, [Parameter()] [System.Boolean] $AllowGuestsToBeGroupOwner, [Parameter()] [System.Boolean] $AllowGuestsToAccessGroups, [Parameter()] [System.String] $GuestUsageGuidelinesUrl, [Parameter()] [System.String] $GroupCreationAllowedGroupName, [Parameter()] [System.Boolean] $AllowToAddGuests, [Parameter()] [System.String] $UsageGuidelinesUrl, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion Write-Verbose -Message 'Testing configuration of AzureAD Groups Settings' $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys Write-Verbose -Message "Test-TargetResource returned $TestResult" return $TestResult } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion try { $Params = @{ ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint IsSingleInstance = 'Yes' ApplicationSecret = $ApplicationSecret Credential = $Credential Managedidentity = $ManagedIdentity.IsPresent } $dscContent = '' $Results = Get-TargetResource @Params $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName Write-Host $Global:M365DSCEmojiGreenCheckMark return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } Export-ModuleMember -Function *-TargetResource |