DSCResources/MSFT_O365ExternalConnection/MSFT_O365ExternalConnection.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $AuthorizedAppIds, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters | 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 $nullResult = $PSBoundParameters $nullResult.Ensure = 'Absent' try { if ($null -ne $Script:exportedInstances -and $Script:ExportMode) { if (-not [System.String]::IsNullOrEmpty($Id)) { $instance = $Script:exportedInstances | Where-Object -FilterScript { $_.Id -eq $Id } } if ($null -eq $instance) { $instance = $Script:exportedInstances | Where-Object -FilterScript { $_.Name -eq $Name } } } else { if (-not [System.String]::IsNullOrEmpty($Id)) { $instance = Get-MgBetaExternalConnection -ExternalConnectionId $Id -ErrorAction SilentlyContinue } if ($null -eq $instance) { $instance = Get-MgBetaExternalConnection -Filter "Name eq '$Name'" } } if ($null -eq $instance) { return $nullResult } $AuthorizedAppIdsValue = @() foreach ($app in $instance.Configuration.AuthorizedAppIds) { $appInstance = Get-MgApplication -Filter "AppId eq '$app'" -ErrorAction SilentlyContinue if ($null -ne $appInstance) { $AuthorizedAppIdsValue += $appInstance.DisplayName } else { throw "Could not find referenced application {$app} in the tenant." } } $results = @{ Name = $instance.Name Id = $instance.id Description = $instance.Description AuthorizedAppIds = $AuthorizedAppIdsValue Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } return [System.Collections.Hashtable] $results } catch { Write-Verbose -Message $_ 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] $Name, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $AuthorizedAppIds, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #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 $setParameters = Remove-M365DSCAuthenticationParameter -BoundParameters $PSBoundParameters $AuthorizedAppIdsValue = @() if ($null -ne $AuthorizedAppIds) { foreach ($app in $AuthorizedAppIds) { $app = Get-MgApplication -Filter "DisplayName eq '$app'" -ErrorAction SilentlyContinue if ($null -ne $app) { $AuthorizedAppIdsValue += $app.AppId } else { throw "Could not find referenced application {$app} in the tenant." } } } $body = @{ id = $Id name = $Name description = $Description configuration = @{ AuthorizedAppIds = $AuthorizedAppIdsValue } } # CREATE if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent') { Write-Verbose -Message "Creating new external connection {$Name}" New-MgBetaExternalConnection -BodyParameter $body } # UPDATE elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Updating new external connection {$Name}" $body.Remove('Id') | Out-Null Update-MgBetaExternalConnection -ExternalConnectionId $currentInstance.Id -BodyParameter $body } # REMOVE elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Removing external connection {$Name}" Remove-MgBetaExternalConnection -ExternalConnectionId $currentInstance.Id -Confirm:$false } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $AuthorizedAppIds, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #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 $CurrentValues = Get-TargetResource @PSBoundParameters $ValuesToCheck = ([Hashtable]$PSBoundParameters).Clone() 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, [Parameter()] [System.String[]] $AccessTokens ) $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 { $Script:ExportMode = $true [array] $Script:exportedInstances = Get-MgBetaExternalConnection -ErrorAction Stop $i = 1 $dscContent = '' if ($Script:exportedInstances.Length -eq 0) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } foreach ($config in $Script:exportedInstances) { if ($null -ne $Global:M365DSCExportResourceInstancesCount) { $Global:M365DSCExportResourceInstancesCount++ } $displayedKey = $config.Id Write-Host " |---[$i/$($Script:exportedInstances.Count)] $displayedKey" -NoNewline $params = @{ Name = $config.Name Id = $config.Id Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } $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 |