DSCResources/MSFT_AADServicePrincipal/MSFT_AADServicePrincipal.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $AppId, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $AppRoleAssignedTo, [Parameter()] [System.String] $ObjectId, [Parameter()] [System.String] $DisplayName, [Parameter()] [System.String[]] $AlternativeNames, [Parameter()] [System.Boolean] $AccountEnabled, [Parameter()] [System.Boolean] $AppRoleAssignmentRequired, [Parameter()] [System.String] $ErrorUrl, [Parameter()] [System.String] $Homepage, [Parameter()] [System.String] $LogoutUrl, [Parameter()] [System.String] $PublisherName, [Parameter()] [System.String[]] $ReplyUrls, [Parameter()] [System.String] $SamlMetadataURL, [Parameter()] [System.String[]] $ServicePrincipalNames, [Parameter()] [System.String] $ServicePrincipalType, [Parameter()] [System.String[]] $Tags, [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 Azure AD ServicePrincipal' $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 = $PSBoundParameters $nullReturn.Ensure = 'Absent' try { try { if (-not [System.String]::IsNullOrEmpty($ObjectID)) { if ($null -ne $Script:exportedInstances -and $Script:ExportMode) { $AADServicePrincipal = $Script:exportedInstances | Where-Object -FilterScript {$_.Id -eq $Id} } else { $AADServicePrincipal = Get-MgServicePrincipal -ServicePrincipalId $ObjectId ` -Expand 'AppRoleAssignedTo' ` -ErrorAction Stop } } } catch { Write-Verbose -Message "Azure AD ServicePrincipal with ObjectID: $($ObjectID) could not be retrieved" } if ($null -eq $AADServicePrincipal) { if ($null -ne $Script:exportedInstances -and $Script:ExportMode) { $AADServicePrincipal = $Script:exportedInstances | Where-Object -FilterScript {$_.AppId -eq $AppId} } else { $ObjectGuid = [System.Guid]::empty if (-not [System.Guid]::TryParse($AppId, [System.Management.Automation.PSReference]$ObjectGuid)) { $appInstance = Get-MgApplication -Filter "DisplayName eq '$AppId'" if ($appInstance) { $AADServicePrincipal = Get-MgServicePrincipal -Filter "AppID eq '$($appInstance.AppId)'" ` -Expand 'AppRoleAssignedTo' } } else { $AADServicePrincipal = Get-MgServicePrincipal -Filter "AppID eq '$($AppId)'" ` -Expand 'AppRoleAssignedTo' } } } if ($null -eq $AADServicePrincipal) { return $nullReturn } else { $AppRoleAssignedToValues = @() foreach ($principal in $AADServicePrincipal.AppRoleAssignedTo) { $currentAssignment = @{ PrincipalType = $null Identity = $null } if ($principal.PrincipalType -eq 'User') { $user = Get-MgUser -UserId $principal.PrincipalId $currentAssignment.PrincipalType = 'User' $currentAssignment.Identity = $user.UserPrincipalName.Split('@')[0] $AppRoleAssignedToValues += $currentAssignment } elseif ($principal.PrincipalType -eq 'Group') { $group = Get-MgGroup -GroupId $principal.PrincipalId $currentAssignment.PrincipalType = 'Group' $currentAssignment.Identity = $group.DisplayName $AppRoleAssignedToValues += $currentAssignment } } $result = @{ AppId = $AADServicePrincipal.AppId AppRoleAssignedTo = $AppRoleAssignedToValues ObjectID = $AADServicePrincipal.Id DisplayName = $AADServicePrincipal.DisplayName AlternativeNames = $AADServicePrincipal.AlternativeNames AccountEnabled = [boolean]$AADServicePrincipal.AccountEnabled AppRoleAssignmentRequired = $AADServicePrincipal.AppRoleAssignmentRequired ErrorUrl = $AADServicePrincipal.ErrorUrl Homepage = $AADServicePrincipal.Homepage LogoutUrl = $AADServicePrincipal.LogoutUrl PublisherName = $AADServicePrincipal.PublisherName ReplyURLs = $AADServicePrincipal.ReplyURLs SamlMetadataURL = $AADServicePrincipal.SamlMetadataURL ServicePrincipalNames = $AADServicePrincipal.ServicePrincipalNames ServicePrincipalType = $AADServicePrincipal.ServicePrincipalType Tags = $AADServicePrincipal.Tags Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId ApplicationSecret = $ApplicationSecret TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } catch { Write-Verbose -Message $_ 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] $AppId, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $AppRoleAssignedTo, [Parameter()] [System.String] $ObjectId, [Parameter()] [System.String] $DisplayName, [Parameter()] [System.String[]] $AlternativeNames, [Parameter()] [System.Boolean] $AccountEnabled, [Parameter()] [System.Boolean] $AppRoleAssignmentRequired, [Parameter()] [System.String] $ErrorUrl, [Parameter()] [System.String] $Homepage, [Parameter()] [System.String] $LogoutUrl, [Parameter()] [System.String] $PublisherName, [Parameter()] [System.String[]] $ReplyUrls, [Parameter()] [System.String] $SamlMetadataURL, [Parameter()] [System.String[]] $ServicePrincipalNames, [Parameter()] [System.String] $ServicePrincipalType, [Parameter()] [System.String[]] $Tags, [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 ) $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' ` -InboundParameters $PSBoundParameters Write-Verbose -Message 'Setting configuration of Azure AD ServicePrincipal' #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 $currentAADServicePrincipal = Get-TargetResource @PSBoundParameters $currentParameters = $PSBoundParameters $currentParameters.Remove('ApplicationId') | Out-Null $currentParameters.Remove('TenantId') | Out-Null $currentParameters.Remove('CertificateThumbprint') | Out-Null $currentParameters.Remove('ManagedIdentity') | Out-Null $currentParameters.Remove('Credential') | Out-Null $currentParameters.Remove('Ensure') | Out-Null $currentParameters.Remove('ObjectID') | Out-Null $currentParameters.Remove('ApplicationSecret') | Out-Null # ServicePrincipal should exist but it doesn't if ($Ensure -eq 'Present' -and $currentAADServicePrincipal.Ensure -eq 'Absent') { if ($null -ne $AppRoleAssignedTo) { $currentParameters.AppRoleAssignedTo = $AppRoleAssignedToValue } $ObjectGuid = [System.Guid]::empty if (-not [System.Guid]::TryParse($AppId, [System.Management.Automation.PSReference]$ObjectGuid)) { $appInstance = Get-MgApplication -Filter "DisplayName eq '$AppId'" $currentParameters.AppId = $appInstance.AppId } Write-Verbose -Message 'Creating new Service Principal' Write-Verbose -Message "With Values: $(Convert-M365DscHashtableToString -Hashtable $currentParameters)" New-MgServicePrincipal @currentParameters } # ServicePrincipal should exist and will be configured to desired state elseif ($Ensure -eq 'Present' -and $currentAADServicePrincipal.Ensure -eq 'Present') { Write-Verbose -Message 'Updating existing Service Principal' $ObjectGuid = [System.Guid]::empty if (-not [System.Guid]::TryParse($AppId, [System.Management.Automation.PSReference]$ObjectGuid)) { $appInstance = Get-MgApplication -Filter "DisplayName eq '$AppId'" $currentParameters.AppId = $appInstance.AppId } Write-Verbose -Message "CurrentParameters: $($currentParameters | Out-String)" Write-Verbose -Message "ServicePrincipalID: $($currentAADServicePrincipal.ObjectID)" $currentParameters.Remove('AppRoleAssignedTo') | Out-Null Update-MgServicePrincipal -ServicePrincipalId $currentAADServicePrincipal.ObjectID @currentParameters if ($AppRoleAssignedTo) { [Array]$currentPrincipals = $currentAADServicePrincipal.AppRoleAssignedTo.Identity [Array]$desiredPrincipals = $AppRoleAssignedTo.Identity [Array]$differences = Compare-Object -ReferenceObject $currentPrincipals -DifferenceObject $desiredPrincipals [Array]$membersToAdd = $differences | Where-Object -FilterScript {$_.SideIndicator -eq '=>'} [Array]$membersToRemove = $differences | Where-Object -FilterScript {$_.SideIndicator -eq '<='} if ($differences.Count -gt 0) { if ($membersToAdd.Count -gt 0) { $AppRoleAssignedToValues = @() foreach ($assignment in $AppRoleAssignedTo) { $AppRoleAssignedToValues += @{ PrincipalType = $assignment.PrincipalType Identity = $assignment.Identity } } foreach ($member in $membersToAdd) { $assignment = $AppRoleAssignedToValues | Where-Object -FilterScript {$_.Identity -eq $member.InputObject} if ($assignment.PrincipalType -eq 'User') { Write-Verbose -Message "Retrieving user {$($assignment.Identity)}" $user = Get-MgUser -Filter "startswith(UserPrincipalName, '$($assignment.Identity)')" $PrincipalIdValue = $user.Id } else { Write-Verbose -Message "Retrieving group {$($assignment.Identity)}" $group = Get-MgGroup -Filter "DisplayName eq '$($assignment.Identity)'" $PrincipalIdValue = $group.Id } $bodyParam = @{ principalId = $PrincipalIdValue resourceId = $currentAADServicePrincipal.ObjectID appRoleId = "00000000-0000-0000-0000-000000000000" } Write-Verbose -Message "Adding member {$($member.InputObject.ToString())}" New-MgServicePrincipalAppRoleAssignedTo -ServicePrincipalId $currentAADServicePrincipal.ObjectID ` -BodyParameter $bodyParam | Out-Null } } if ($membersToRemove.Count -gt 0) { $AppRoleAssignedToValues = @() foreach ($assignment in $currentAADServicePrincipal.AppRoleAssignedTo) { $AppRoleAssignedToValues += @{ PrincipalType = $assignment.PrincipalType Identity = $assignment.Identity } } foreach ($member in $membersToRemove) { $assignment = $AppRoleAssignedToValues | Where-Object -FilterScript {$_.Identity -eq $member.InputObject} if ($assignment.PrincipalType -eq 'User') { Write-Verbose -Message "Retrieving user {$($assignment.Identity)}" $user = Get-MgUser -Filter "startswith(UserPrincipalName, '$($assignment.Identity)')" $PrincipalIdValue = $user.Id } else { Write-Verbose -Message "Retrieving group {$($assignment.Identity)}" $group = Get-MgGroup -Filter "DisplayName eq '$($assignment.Identity)'" $PrincipalIdValue = $group.Id } Write-Verbose -Message "PrincipalID Value = '$PrincipalIdValue'" Write-Verbose -Message "ServicePrincipalId = '$($currentAADServicePrincipal.ObjectID)'" $allAssignments = Get-MgServicePrincipalAppRoleAssignedTo -ServicePrincipalId $currentAADServicePrincipal.ObjectID $assignmentToRemove = $allAssignments | Where-Object -FilterScript {$_.PrincipalId -eq $PrincipalIdValue} Write-Verbose -Message "Removing member {$($member.InputObject.ToString())}" Remove-MgServicePrincipalAppRoleAssignedTo -ServicePrincipalId $currentAADServicePrincipal.ObjectID ` -AppRoleAssignmentId $assignmentToRemove.Id | Out-Null } } } } } # ServicePrincipal exists but should not elseif ($Ensure -eq 'Absent' -and $currentAADServicePrincipal.Ensure -eq 'Present') { Write-Verbose -Message 'Removing Service Principal' Remove-MgServicePrincipal -ServicePrincipalId $currentAADServicePrincipal.ObjectID } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $AppId, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $AppRoleAssignedTo, [Parameter()] [System.String] $ObjectId, [Parameter()] [System.String] $DisplayName, [Parameter()] [System.String[]] $AlternativeNames, [Parameter()] [System.Boolean] $AccountEnabled, [Parameter()] [System.Boolean] $AppRoleAssignmentRequired, [Parameter()] [System.String] $ErrorUrl, [Parameter()] [System.String] $Homepage, [Parameter()] [System.String] $LogoutUrl, [Parameter()] [System.String] $PublisherName, [Parameter()] [System.String[]] $ReplyUrls, [Parameter()] [System.String] $SamlMetadataURL, [Parameter()] [System.String[]] $ServicePrincipalNames, [Parameter()] [System.String] $ServicePrincipalType, [Parameter()] [System.String[]] $Tags, [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 Azure AD ServicePrincipal' $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $ValuesToCheck.Remove('Credential') | Out-Null $ValuesToCheck.Remove('ApplicationId') | Out-Null $ValuesToCheck.Remove('CertificateThumbprint') | Out-Null $ValuesToCheck.Remove('ManagedIdentity') | Out-Null $ValuesToCheck.Remove('TenantId') | Out-Null $ValuesToCheck.Remove('AppId') | Out-Null $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.String] $Filter, [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 $dscContent = '' try { $i = 1 Write-Host "`r`n" -NoNewline $Script:ExportMode = $true [array] $Script:exportedInstances = Get-MgServicePrincipal -All:$true ` -Filter $Filter ` -Expand 'AppRoleAssignedTo' ` -ErrorAction Stop foreach ($AADServicePrincipal in $Script:exportedInstances) { Write-Host " |---[$i/$($Script:exportedInstances.Count)] $($AADServicePrincipal.DisplayName)" -NoNewline $Params = @{ Credential = $Credential ApplicationId = $ApplicationId ApplicationSecret = $ApplicationSecret TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent AppID = $AADServicePrincipal.AppId } $Results = Get-TargetResource @Params if ($Results.Ensure -eq 'Present') { $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results if ($Results.AppRoleAssignedTo.Count -gt 0) { $Results.AppRoleAssignedTo = Get-M365DSCAzureADServicePrincipalAssignmentAsString -Assignments $Results.AppRoleAssignedTo } $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential if ($null -ne $Results.AppRoleAssignedTo) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock ` -ParameterName 'AppRoleAssignedTo' } $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName Write-Host $Global:M365DSCEmojiGreenCheckMark $i++ } } return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } function Get-M365DSCAzureADServicePrincipalAssignmentAsString { [CmdletBinding()] [OutputType([System.String])] param( [Parameter(Mandatory = $true)] [System.Collections.ArrayList] $Assignments ) $StringContent = '@(' foreach ($assignment in $Assignments) { $StringContent += "MSFT_AADServicePrincipalRoleAssignment {`r`n" $StringContent += " PrincipalType = '" + $assignment.PrincipalType + "'`r`n" $StringContent += " Identity = '" + $assignment.Identity + "'`r`n" $StringContent += " }`r`n" } $StringContent += ' )' return $StringContent } Export-ModuleMember -Function *-TargetResource |