DSCResources/MSFT_AADCrossTenantAccessPolicy/MSFT_AADCrossTenantAccessPolicy.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.String] $DisplayName, [Parameter()] [ValidateSet('microsoftonline.com', 'microsoftonline.us', 'partner.microsoftonline.cn')] [System.String[]] $AllowedCloudEndpoints, [Parameter()] [System.String] [ValidateSet('Present')] $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 ) try { $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 $nullResult = $PSBoundParameters $nullResult.Ensure = 'Absent' $getValue = Get-MgBetaPolicyCrossTenantAccessPolicy -ErrorAction SilentlyContinue if ($null -eq $getValue) { Write-Verbose -Message "Could not find an Azure AD Cross Tenant Access Policy with name {$DisplayName}" return $nullResult } $results = @{ IsSingleInstance = 'Yes' DisplayName = $getValue.DisplayName AllowedCloudEndpoints = $getValue.AllowedCloudEndpoints Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId ApplicationSecret = $ApplicationSecret CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent } return [System.Collections.Hashtable] $results } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullResult } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.String] $DisplayName, [Parameter()] [ValidateSet('microsoftonline.com', 'microsoftonline.us', 'partner.microsoftonline.cn')] [System.String[]] $AllowedCloudEndpoints, [Parameter()] [System.String] [ValidateSet('Present')] $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 $currentInstance = Get-TargetResource @PSBoundParameters if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent') { Write-Verbose -Message "Azure AD Cross Tenant Access Policy instance cannot be created" } elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Updating the Azure AD Cross Tenant Access Policy" $UpdateParams = @{} if (-not [System.String]::IsNullOrEmpty($DisplayName)) { $UpdateParams.Add("DisplayName", $DisplayName) } if ($null -ne $AllowedCloudEndpoints) { $UpdateParams.Add("AllowedCloudEndpoints", $AllowedCloudEndpoints) } Update-MgBetaPolicyCrossTenantAccessPolicy -BodyParameter $UpdateParams } elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Azure AD Cross Tenant Access Policies cannot be removed." } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter()] [System.String] $DisplayName, [Parameter()] [ValidateSet('microsoftonline.com', 'microsoftonline.us', 'partner.microsoftonline.cn')] [System.String[]] $AllowedCloudEndpoints, [Parameter()] [System.String] [ValidateSet('Present')] $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 $data #endregion Write-Verbose -Message "Testing configuration of the Azure AD Cross Tenant Access Policy with name [$DisplayName]" $CurrentValues = Get-TargetResource @PSBoundParameters $ValuesToCheck = ([Hashtable]$PSBoundParameters).clone() if ($CurrentValues.Ensure -ne $Ensure) { Write-Verbose -Message "Test-TargetResource returned $false" return $false } Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)" $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 { $dscContent = '' $params = @{ IsSingleInstance = 'Yes' Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId ApplicationSecret = $ApplicationSecret CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } $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 $i++ 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 |