DSCResources/MSFT_O365Group/MSFT_O365Group.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $MailNickName, [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String[]] $ManagedBy, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $Members, [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] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint ) Write-Verbose -Message "Setting configuration of Office 365 Group $DisplayName" $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 $nullReturn.Ensure = "Absent" try { Write-Verbose -Message "Retrieving AzureADGroup by MailNickName {$MailNickName}" [array]$ADGroup = Get-MgGroup -All:$true | Where-Object -FilterScript { $_.MailNickName -eq $MailNickName } if ($null -eq $ADGroup) { Write-Verbose -Message "Retrieving AzureADGroup by DisplayName {$DisplayName}" [array]$ADGroup = Get-MgGroup -All:$true | Where-Object -FilterScript { $_.DisplayName -eq $DisplayName } if ($null -eq $ADGroup) { Write-Verbose -Message "Office 365 Group {$DisplayName} was not found." return $nullReturn } elseif ($ADGroup.Length -gt 1) { $Message = "Multiple O365 groups were found with DisplayName {$DisplayName}. Please specify the MailNickName parameter to uniquely identify the group." New-M365DSCLogEntry -Error $_ -Message $Message -Source $MyInvocation.MyCommand.ModuleName } } Write-Verbose -Message "Found Existing Instance of Group {$($ADGroup.DisplayName)}" try { $membersList = Get-MgGroupMember -GroupId $ADGroup[0].Id Write-Verbose -Message "Found Members for Group {$($ADGroup[0].DisplayName)}" $owners = Get-MgGroupOwner -GroupId $ADGroup[0].Id Write-Verbose -Message "Found Owners for Group {$($ADGroup[0].DisplayName)}" $ownersUPN = @() if ($null -ne $owners) { # Need to cast as an array for the test to properly compare cases with # a single owner; $ownersUPN = [System.String[]]$owners.AdditionalProperties.userPrincipalName # Also need to remove the owners from the members list for Test # to handle the validation properly; $newMemberList = @() foreach ($member in $membersList) { if ($null -ne $ownersUPN -and $ownersUPN.Length -ge 1 -and ` -not [System.String]::IsNullOrEmpty($member.AdditionalProperties.userPrincipalName) -and ` -not $ownersUPN.Contains($member.AdditionalProperties.sserPrincipalName)) { $newMemberList += $member.AdditionalProperties.userPrincipalName } } } $description = "" if ($null -ne $ADGroup[0].Description) { $description = $ADGroup[0].Description.ToString() } $returnValue = @{ DisplayName = $ADGroup[0].DisplayName MailNickName = $ADGroup[0].MailNickName Members = $newMemberList ManagedBy = $ownersUPN Description = $description Credential = $Credential ApplicationId = $ApplicationId ApplicationSecret = $ApplicationSecret TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Ensure = "Present" } return $returnValue } catch { $Message = "An error occured retrieving info for Group $DisplayName" New-M365DSCLogEntry -Error $_ -Message $Message -Source $MyInvocation.MyCommand.ModuleName } return $nullReturn } catch { try { Write-Verbose -Message $_ $tenantIdValue = "" if (-not [System.String]::IsNullOrEmpty($TenantId)) { $tenantIdValue = $TenantId } elseif ($null -ne $Credential) { $tenantIdValue = $Credential.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] $MailNickName, [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String[]] $ManagedBy, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $Members, [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] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint ) Write-Verbose -Message "Setting configuration of Office 365 Group $DisplayName" #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 $currentGroup = Get-TargetResource @PSBoundParameters if ($Ensure -eq "Present") { $CurrentParameters = $PSBoundParameters $CurrentParameters.Remove("Ensure") | Out-Null $CurrentParameters.Remove("Credential") | Out-Null $CurrentParameters.Remove("ApplicationId") | Out-Null $CurrentParameters.Remove("TenantId") | Out-Null $CurrentParameters.Remove("CertificateThumbprint") | Out-Null $CurrentParameters.Remove("ApplicationSecret") | Out-Null if ($currentGroup.Ensure -eq "Absent") { Write-Verbose -Message "Creating Office 365 Group {$DisplayName}" $groupParams = @{ DisplayName = $DisplayName Description = $Description MailEnabled = $true SecurityEnabled = $true } if ("" -ne $MailNickName) { $groupParams.Add("mailNickName", $MailNickName) } Write-Verbose -Message "Initiating Group Creation" Write-Verbose -Message "Owner = $($groupParams.Owners)" Write-Verbose -Message "Creating New Group with values: $(Convert-M365DscHashtableToString -Hashtable $groupParams)" New-MgGroup @groupParams -GroupTypes @("Unified") Write-Verbose -Message "Group Created" } [array]$ADGroup = Get-MgGroup -All:$true | Where-Object -FilterScript { $_.MailNickName -eq $MailNickName } if ($null -eq $ADGroup) { Write-Verbose -Message "Retrieving AzureADGroup by DisplayName {$DisplayName}" [array]$ADGroup = Get-MgGroup -All:$true | Where-Object -FilterScript { $_.DisplayName -eq $DisplayName } if ($null -eq $ADGroup) { Write-Verbose -Message "Office 365 Group {$DisplayName} was not found." return $nullReturn } elseif ($ADGroup.Length -gt 1) { $Message = "Multiple O365 groups were found with DisplayName {$DisplayName}. Please specify the MailNickName parameter to uniquely identify the group." New-M365DSCLogEntry -Error $_ -Message $Message -Source $MyInvocation.MyCommand.ModuleName } } Write-Verbose -Message "Found Existing Instance of Group {$($ADGroup.DisplayName)}" #region Members $membersList = Get-MgGroupMember -GroupId $ADGroup[0].Id $curMembers = @() foreach ($member in $membersList) { $curMembers += $member.AdditionalProperties.userPrincipalName } if ($null -ne $CurrentParameters.Members) { Write-Verbose -Message "Current Members: $($curMembers | Out-String)" Write-Verbose -Message "Desired Members: $($CurrentParameters.Members | Out-String)" $difference = Compare-Object -ReferenceObject $curMembers -DifferenceObject $CurrentParameters.Members if ($null -ne $difference.InputObject) { Write-Verbose -Message "Detected a difference in the current list of members and the desired one" $membersToRemove = @() $membersToAdd = @() foreach ($diff in $difference) { if (-not $ManagedBy.Contains($diff.InputObject)) { if ($diff.SideIndicator -eq "<=" -and $diff.InputObject -ne $ManagedBy.Split('@')[0]) { Write-Verbose "Will be removing Member: {$($diff.InputObject)}" $membersToRemove += $diff.InputObject } elseif ($diff.SideIndicator -eq "=>") { Write-Verbose "Will be adding Member: {$($diff.InputObject)}" $membersToAdd += $diff.InputObject } } } foreach ($member in $membersToAdd) { Write-Verbose "Adding members {$member}" $userId = (Get-MgUser -UserId $member).Id New-MgGroupMember -GroupId $ADGroup[0].Id -DirectoryObjectId $userId } foreach ($member in $membersToRemove) { Write-Verbose "Removing members {$member}" $userId = (Get-MgUser -UserId $member).Id # There are no cmldet to remove members from group available at the time of writing this resource (March 8th 2022) $url = "https://graph.microsoft.com/v1.0/groups/$($ADGroup[0].Id)/members/$userId/`$ref" Invoke-MgGraphRequest -Method DELETE -Uri $url | Out-Null } } } #endregion #region Owners $ownersList = Get-MgGroupOwner -GroupId $ADGroup[0].Id $curOwners = @() foreach ($owner in $ownersList) { $curOwners += $owner.AdditionalProperties.userPrincipalName } if ($null -ne $CurrentParameters.ManagedBy) { Write-Verbose -Message "Current Owners: $($curOwners | Out-String)" Write-Verbose -Message "Desired Owners: $($CurrentParameters.ManagedBy | Out-String)" $difference = Compare-Object -ReferenceObject $curOwners -DifferenceObject $CurrentParameters.ManagedBy if ($null -ne $difference.InputObject) { Write-Verbose -Message "Detected a difference in the current list of members and the desired one" $ownersToRemove = @() $ownersToAdd = @() foreach ($diff in $difference) { if ($diff.SideIndicator -eq "<=") { Write-Verbose "Will be removing Member: {$($diff.InputObject)}" $ownersToRemove += $diff.InputObject } elseif ($diff.SideIndicator -eq "=>") { Write-Verbose "Will be adding Owner: {$($diff.InputObject)}" $ownersToAdd += $diff.InputObject } } foreach ($owner in $ownersToAdd) { Write-Verbose -Message "Adding Owner {$owner}" $userId = (Get-MgUser -UserId $owner).Id $newGroupOwner = @{ "@odata.id"= "https://graph.microsoft.com/v1.0/users/{$userId}" } New-MgGroupOwnerByRef -GroupId $ADGroup[0].Id -BodyParameter $newGroupOwner } foreach ($owner in $ownersToRemove) { Write-Verbose "Removing owner {$owner}" $userId = (Get-MgUser -UserId $owner).Id # There are no cmldet to remove members from group available at the time of writing this resource (March 8th 2022) $url = "https://graph.microsoft.com/v1.0/groups/$($ADGroup[0].Id)/owners/$userId/`$ref" Invoke-MgGraphRequest -Method DELETE -Uri $url | Out-Null } } } #endregion } elseif ($Ensure -eq "Absent") { if ($ADGroup.Length -eq 1) { Write-Verbose -Message "Removing O365Group $($existingO365Group.Name)" Remove-MgGroup -GroupId $ADGroup[0].Id -confirm:$false | Out-Null } else { Write-Verbose -Message "There was more than one group identified with the name $($currentGroup.MailNickName)." Write-Verbose -Message "No action taken. Please remove the group manually." } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $MailNickName, [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String[]] $ManagedBy, [Parameter()] [System.String] $Description, [Parameter()] [System.String[]] $Members, [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] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint ) #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 Office 365 Group $DisplayName" $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters 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.String] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint ) $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 = '' $groups = Get-MgGroup -All:$true -Filter $Filter | Where-Object -FilterScript { $_.MailNickName -ne "00000000-0000-0000-0000-000000000000" } $i = 1 Write-Host "`r`n" -NoNewline foreach ($group in $groups) { Write-Host " |---[$i/$($groups.Length)] $($group.DisplayName)" -NoNewline $Params = @{ Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ApplicationSecret = $ApplicationSecret DisplayName = $group.DisplayName ManagedBy = "DummyUser" MailNickName = $group.MailNickName } $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 Write-Host $Global:M365DSCEmojiGreenCheckMark $i++ } return $dscContent } catch { try { Write-Verbose -Message $_ $tenantIdValue = "" if (-not [System.String]::IsNullOrEmpty($TenantId)) { $tenantIdValue = $TenantId } elseif ($null -ne $Credential) { $tenantIdValue = $Credential.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 |