DSCResources/MSFT_AADExternalIdentityPolicy/MSFT_AADExternalIdentityPolicy.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $AllowDeletedIdentitiesDataRemoval, [Parameter(Mandatory = $true)] [System.Boolean] $AllowExternalIdentitiesToLeave, [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 External Identity Policy' $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 = @{ IsSingleInstance = 'Yes' } try { $Policy = Get-MgBetaPolicyExternalIdentityPolicy -ErrorAction Stop } catch { $message = 'Could not find existing external identity policy' New-M365DSCLogEntry -Message $message ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullReturn } if ($null -eq $Policy) { $message = 'Existing External Identity Policy was not found' New-M365DSCLogEntry -Message $message ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullReturn } else { $result = @{ IsSingleInstance = 'Yes' AllowDeletedIdentitiesDataRemoval = $Policy.allowDeletedIdentitiesDataRemoval AllowExternalIdentitiesToLeave = $Policy.allowExternalIdentitiesToLeave Credential = $Credential ApplicationSecret = $ApplicationSecret ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $AllowDeletedIdentitiesDataRemoval, [Parameter(Mandatory = $true)] [System.Boolean] $AllowExternalIdentitiesToLeave, [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 for External Identity Policy' #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 $desiredParameters = ([hashtable]$PSBoundParameters).Clone() $desiredParameters.Remove('IsSingleInstance') | Out-Null $desiredParameters.Remove('ApplicationId') | Out-Null $desiredParameters.Remove('TenantId') | Out-Null $desiredParameters.Remove('CertificateThumbprint') | Out-Null $desiredParameters.Remove('ApplicationSecret') | Out-Null $desiredParameters.Remove('Credential') | Out-Null $desiredParameters.Remove('ManagedIdentity') | Out-Null try { Write-Verbose -Message "Updating existing authorization policy with values: $(Convert-M365DscHashtableToString -Hashtable $desiredParameters)" Update-MgBetaPolicyExternalIdentityPolicy @desiredParameters -ErrorAction Stop | Out-Null } catch { New-M365DSCLogEntry -Message 'Error updating data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential Write-Verbose -Message "Set-Targetresource: Failed change policy $DisplayName" throw $_ } Write-Verbose -Message "Set-Targetresource: finished processing Policy $Displayname" } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.Boolean] $AllowDeletedIdentitiesDataRemoval, [Parameter(Mandatory = $true)] [System.Boolean] $AllowExternalIdentitiesToLeave, [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 'Testing configuration of External Identity Policy' $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 ) #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 $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters try { $params = @{ IsSingleInstance = 'Yes' AllowExternalIdentitiesToLeave = $true Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId ApplicationSecret = $ApplicationSecret CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity } $Results = Get-TargetResource @Params if ($Results -is [System.Collections.Hashtable] -and $Results.Count -gt 1) { Write-Host "`r`n" -NoNewline Write-Host " |---[1/1] External Identity Policy" -NoNewline $results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $results ` -Credential $Credential Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host $Global:M365DSCEmojiRedX } return $currentDSCBlock } 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 |