DSCResources/MSFT_AADGroupsNamingPolicy/MSFT_AADGroupsNamingPolicy.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.String] $PrefixSuffixNamingRequirement, [Parameter()] [System.String[]] $CustomBlockedWordsList, [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 Naming Policy' $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters -ProfileName 'beta' Select-MgProfile -Name Beta | Out-Null #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-MgDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq 'Group.Unified' } if ($null -eq $Policy) { return $nullReturn } else { Write-Verbose 'Found existing AzureAD Groups Naming Policy' $valuePrefix = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'PrefixSuffixNamingRequirement' } $valueBlockedWords = $Policy.Values | Where-Object -FilterScript { $_.Name -eq 'CustomBlockedWordsList' } $result = @{ IsSingleInstance = 'Yes' PrefixSuffixNamingRequirement = $valuePrefix.Value CustomBlockedWordsList = $valueBlockedWords.Value.Split(',') Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId ApplicationSecret = $ApplicationSecret CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } 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.String] $PrefixSuffixNamingRequirement, [Parameter()] [System.String[]] $CustomBlockedWordsList, [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 Naming Policy' $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters -ProfileName 'beta' Select-MgProfile -Name Beta | Out-Null #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') { Write-Verbose -Message 'Creating new Groups Naming Policy' $Policy = New-MgDirectorySetting -TemplateId '62375ab9-6b52-47ed-826b-58e47e0e304b' | Out-Null $needToUpdate = $true } if ($null -eq $Policy) { $Policy = Get-MgDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq 'Group.Unified' } } if (($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Present') -or $needToUpdate) { [string]$blockedWordsValue = $null $blockedWordsValue = $CustomBlockedWordsList -join ',' $index = 0 foreach ($property in $Policy.Values) { if ($property.Name -eq 'CustomBlockedWordsList') { $Policy.Values[$index].Value = $blockedWordsValue } elseif ($property.Name -eq 'PrefixSuffixNamingRequirement') { $Policy.Values[$index].Value = $PrefixSuffixNamingRequirement } $index++; } Write-Verbose -Message "Updating Groups Naming Policy to {$($Policy.Values -join ',')}" Update-MgDirectorySetting -DirectorySettingId $Policy.id -Values $Policy.Values | Out-Null } elseif ($Ensure -eq 'Absent' -and $currentPolicy.Ensure -eq 'Present') { Write-Verbose -Message "Removing existing Groups Naming Policy {$($policy.Id)}" $Policy = Get-MgDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq 'Group.Unified' } Remove-MgDirectorySetting -DirectorySettingId $policy.Id | Out-Null } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.String] $PrefixSuffixNamingRequirement, [Parameter()] [System.String[]] $CustomBlockedWordsList, [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 Naming Policy' $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $ValuesToCheck.Remove('ApplicationId') | Out-Null $ValuesToCheck.Remove('TenantId') | Out-Null $ValuesToCheck.Remove('ApplicationSecret') | Out-Null $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $ValuesToCheck ` -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.String] $CertificateThumbprint, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [Switch] $ManagedIdentity ) $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters -ProfileName 'beta' Select-MgProfile -Name Beta | Out-Null #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 { $dscContent = '' $Params = @{ ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint IsSingleInstance = 'Yes' ApplicationSecret = $ApplicationSecret Credential = $Credential Managedidentity = $ManagedIdentity.IsPresent } $Results = Get-TargetResource @Params if ($Results.Ensure -eq 'Present') { $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential $dscContent += $currentDSCBlock } if ($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 |