DSCResources/MSFT_AADGroupsNamingPolicy/MSFT_AADGroupsNamingPolicy.psm1
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] $GlobalAdminAccount, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint ) Write-Verbose -Message "Getting configuration of AzureAD Groups Naming Policy" #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "") $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $ResourceName) $data.Add("Method", $MyInvocation.MyCommand) $data.Add("Principal", $GlobalAdminAccount.UserName) $data.Add("TenantId", $TenantId) Add-M365DSCTelemetryEvent -Data $data #endregion $ConnectionMode = New-M365DSCConnection -Platform 'AzureAD' -InboundParameters $PSBoundParameters $nullReturn = $PSBoundParameters $nullReturn.Ensure = "Absent" try { $Policy = Get-AzureADDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq "Group.Unified" } if ($null -eq $Policy) { return $nullReturn } else { Write-Verbose "Found existing AzureAD Groups Naming Policy" $result = @{ IsSingleInstance = 'Yes' PrefixSuffixNamingRequirement = $Policy["PrefixSuffixNamingRequirement"] CustomBlockedWordsList = $Policy["CustomBlockedWordsList"].Split(',') Ensure = "Present" GlobalAdminAccount = $GlobalAdminAccount ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } catch { try { Write-Verbose -Message $_ $tenantIdValue = "" if (-not [System.String]::IsNullOrEmpty($TenantId)) { $tenantIdValue = $TenantId } elseif ($null -ne $GlobalAdminAccount) { $tenantIdValue = $GlobalAdminAccount.UserName.Split('@')[1] } Add-M365DSCEvent -Message $_ -EntryType 'Error' ` -EventID 1 -Source $($MyInvocation.MyCommand.Source) ` -TenantId $tenantIdValue } catch { Write-Verbose -Message $_ } 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] $GlobalAdminAccount, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint ) Write-Verbose -Message "Setting configuration of Azure AD Groups Naming Policy" #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "") $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $ResourceName) $data.Add("Method", $MyInvocation.MyCommand) $data.Add("Principal", $GlobalAdminAccount.UserName) $data.Add("TenantId", $TenantId) 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") { $ds = (Get-AzureADDirectorySettingTemplate -id 62375ab9-6b52-47ed-826b-58e47e0e304b).CreateDirectorySetting() New-AzureADDirectorySetting -DirectorySetting $ds $needToUpdate = $true } $Policy = Get-AzureADDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq "Group.Unified" } if (($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Present') -or $needToUpdate) { $Policy["PrefixSuffixNamingRequirement"] = $PrefixSuffixNamingRequirement [string]$blockedWordsValue = $null $blockedWordsValue = $CustomBlockedWordsList -join "," $Policy["CustomBlockedWordsList"] = $blockedWordsValue Set-AzureADDirectorySetting -Id $Policy.id -DirectorySetting $Policy } elseif ($Ensure -eq 'Absent' -and $currentPolicy.Ensure -eq 'Present') { $Policy = Get-AzureADDirectorySetting | Where-Object -FilterScript { $_.DisplayName -eq "Group.Unified" } Remove-AzureADDirectorySetting -Id $policy.Id } } 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] $GlobalAdminAccount, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint ) #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "") $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $ResourceName) $data.Add("Method", $MyInvocation.MyCommand) $data.Add("Principal", $GlobalAdminAccount.UserName) $data.Add("TenantId", $TenantId) 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('GlobalAdminAccount') | 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] $GlobalAdminAccount, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint ) $ConnectionMode = New-M365DSCConnection -Platform 'AzureAD' -InboundParameters $PSBoundParameters #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace("MSFT_", "") $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $ResourceName) $data.Add("Method", $MyInvocation.MyCommand) $data.Add("Principal", $GlobalAdminAccount.UserName) $data.Add("TenantId", $TenantId) $data.Add("ConnectionMode", $ConnectionMode) Add-M365DSCTelemetryEvent -Data $data #endregion try { $dscContent = '' $Params = @{ ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint IsSingleInstance = 'Yes' GlobalAdminAccount = $GlobalAdminAccount } $Results = Get-TargetResource @Params if ($Results.Ensure -eq 'Present') { $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -GlobalAdminAccount $GlobalAdminAccount $dscContent += $currentDSCBlock } Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName Write-Host $Global:M365DSCEmojiGreenCheckMark return $dscContent } catch { try { Write-Verbose -Message $_ $tenantIdValue = "" if (-not [System.String]::IsNullOrEmpty($TenantId)) { $tenantIdValue = $TenantId } elseif ($null -ne $GlobalAdminAccount) { $tenantIdValue = $GlobalAdminAccount.UserName.Split('@')[1] } Add-M365DSCEvent -Message $_ -EntryType 'Error' ` -EventID 1 -Source $($MyInvocation.MyCommand.Source) ` -TenantId $tenantIdValue } catch { Write-Verbose -Message $_ } return "" } } Export-ModuleMember -Function *-TargetResource |