Modules/M365DSCReverse.psm1
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function Start-M365DSCConfigurationExtract { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param( [Parameter()] [Switch] $Quiet, [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount, [Parameter()] [System.String[]] $ComponentsToExtract, [Parameter()] [Switch] $AllComponents, [Parameter()] [System.String] $Path, [Parameter()] [System.String] $FileName, [Parameter()] [System.String] $ConfigurationName = 'O365TenantConfig', [Parameter()] [ValidateRange(1, 100)] $MaxProcesses = 16, [Parameter()] [ValidateSet('AAD', 'SPO', 'EXO', 'SC', 'OD', 'O365', 'TEAMS', 'PP')] [System.String[]] $Workloads, [Parameter()] [ValidateSet('Lite', 'Default', 'Full')] [System.String] $Mode ) $InformationPreference = "Continue" $VerbosePreference = "SilentlyContinue" $WarningPreference = "SilentlyContinue" $organization = "" $principal = "" # Principal represents the "NetBios" name of the tenant (e.g. the M365DSC part of M365DSC.onmicrosoft.com) if ($GlobalAdminAccount.UserName.Contains("@")) { $organization = $GlobalAdminAccount.UserName.Split("@")[1] if ($organization.IndexOf(".") -gt 0) { $principal = $organization.Split(".")[0] } } $ComponentsToSkip = @() if ($Mode -eq 'Default') { $ComponentsToSkip = $Global:FullComponents } elseif ($Mode -eq 'Lite') { $ComponentsToSkip = $Global:DefaultComponents + $Global:FullComponents } $AzureAutomation = $false $DSCContent = "param (`r`n" $DSCContent += " [parameter()]`r`n" $DSCContent += " [System.Management.Automation.PSCredential]`r`n" $DSCContent += " `$GlobalAdminAccount`r`n" $DSCContent += ")`r`n`r`n" if (-not [System.String]::IsNullOrEmpty($FileName)) { $FileParts = $FileName.Split('.') if ([System.String]::IsNullOrEmpty($ConfigurationName)) { $ConfigurationName = $FileName.Replace('.' + $FileParts[$FileParts.Length - 1], "") } } if ([System.String]::IsNullOrEmpty($ConfigurationName)) { $ConfigurationName = 'M365TenantConfig' } $DSCContent += "Configuration $ConfigurationName`r`n{`r`n" $DSCContent += " param (`r`n" $DSCContent += " [parameter()]`r`n" $DSCContent += " [System.Management.Automation.PSCredential]`r`n" $DSCContent += " `$GlobalAdminAccount`r`n" $DSCContent += " )`r`n`r`n" $DSCContent += " Import-DscResource -ModuleName Microsoft365DSC`r`n`r`n" $DSCContent += " if (`$null -eq `$GlobalAdminAccount)`r`n" $DSCContent += " {`r`n" $DSCContent += " <# Credentials #>`r`n" $DSCContent += " }`r`n" $DSCContent += " else`r`n" $DSCContent += " {`r`n" $DSCContent += " `$Credsglobaladmin = `$GlobalAdminAccount`r`n" $DSCContent += " }`r`n`r`n" $DSCContent += " `$OrganizationName = `$Credsglobaladmin.UserName.Split('@')[1]`r`n" $DSCContent += " Node localhost`r`n" $DSCContent += " {`r`n" Add-ConfigurationDataEntry -Node "localhost" ` -Key "ServerNumber" ` -Value "0" ` -Description "Default Value Used to Ensure a Configuration Data File is Generated" # Add the GlobalAdminAccount to the Credentials List Save-Credentials -UserName "globaladmin" $ResourcesPath = Join-Path -Path $PSScriptRoot ` -ChildPath "..\DSCResources\" ` -Resolve $AllResources = Get-ChildItem $ResourcesPath -Recurse | Where-Object { $_.Name -like 'MSFT_*.psm1' } foreach ($ResourceModule in $AllResources) { try { $resourceName = $ResourceModule.Name.Split('.')[0].Replace('MSFT_', '') [array]$currentWorkload = $ResourceName.Substring(0, 2) switch ($currentWorkload.ToUpper()) { 'AA' { $currentWorkload = 'AAD'; break } 'EX' { $currentWorkload = 'EXO'; break } 'O3' { $currentWorkload = 'O365'; break } 'OD' { $currentWorkload = 'OD'; break } 'PP' { $currentWorkload = 'PP'; break } 'SC' { $currentWorkload = 'SC'; break } 'SP' { $currentWorkload = 'SPO'; break } 'TE' { $currentWorkload = 'Teams'; break } default { $currentWorkload = $null; break } } if (($null -ne $ComponentsToExtract -and ($ComponentsToExtract -contains $resourceName -or $ComponentsToExtract -contains ("chck" + $resourceName))) -or $AllComponents -or ($null -ne $Workloads -and $Workloads -contains $currentWorkload) -or ![System.String]::IsNullOrEmpty($Mode)) { Import-Module $ResourceModule.FullName | Out-Null if ($ComponentsToSkip -notcontains $resourceName) { Write-Information "Extracting [$resourceName]..." $MaxProcessesExists = (Get-Command 'Export-TargetResource').Parameters.Keys.Contains("MaxProcesses") if ($MaxProcessesExists) { $exportString = Export-TargetResource -GlobalAdminAccount $GlobalAdminAccount -MaxProcesses $MaxProcesses } else { $exportString = Export-TargetResource -GlobalAdminAccount $GlobalAdminAccount } } $DSCContent += $exportString } } catch { New-M365DSCLogEntry -Error $_ -Message $ResourceModule.Name -Source "[M365DSCReverse]$($ResourceModule.Name)" } } # Close the Node and Configuration declarations $DSCContent += " }`r`n" $DSCContent += "}`r`n" #region Add the Prompt for Required Credentials at the top of the Configuration $credsContent = "" foreach ($credential in $Global:CredsRepo) { if (!$credential.ToLower().StartsWith("builtin")) { if (!$AzureAutomation) { $credsContent += " " + (Resolve-Credentials $credential) + " = Get-Credential -Message `"Global Admin credentials`"" } else { $resolvedName = (Resolve-Credentials $credential) $credsContent += " " + $resolvedName + " = Get-AutomationPSCredential -Name " + ($resolvedName.Replace("$", "")) + "`r`n" } } } $credsContent += "`r`n" $startPosition = $DSCContent.IndexOf("<# Credentials #>") + 19 $DSCContent = $DSCContent.Insert($startPosition, $credsContent) $DSCContent += "$ConfigurationName -ConfigurationData .\ConfigurationData.psd1 -GlobalAdminAccount `$GlobalAdminAccount" #endregion $shouldOpenOutputDirectory = !$Quiet #region Prompt the user for a location to save the extract and generate the files if ([System.String]::IsNullOrEmpty($Path)) { $shouldOpenOutputDirectory = $true $OutputDSCPath = Read-Host "Destination Path" } else { $OutputDSCPath = $Path } while ((Test-Path -Path $OutputDSCPath -PathType Container -ErrorAction SilentlyContinue) -eq $false) { try { Write-Information "Directory `"$OutputDSCPath`" doesn't exist; creating..." New-Item -Path $OutputDSCPath -ItemType Directory | Out-Null if ($?) { break } } catch { Write-Warning "$($_.Exception.Message)" Write-Warning "Could not create folder $OutputDSCPath!" } $OutputDSCPath = Read-Host "Please Provide Output Folder for DSC Configuration (Will be Created as Necessary)" } <## Ensures the path we specify ends with a Slash, in order to make sure the resulting file path is properly structured. #> if (!$OutputDSCPath.EndsWith("\") -and !$OutputDSCPath.EndsWith("/")) { $OutputDSCPath += "\" } #endregion #region Copy Downloaded files back into output folder if (($null -ne $ComponentsToExtract -and $ComponentsToExtract.Contains("chckSPOApp")) -or $AllComponents -or ($null -ne $Workloads -and $Workloads.Contains('SPO'))) { $filesToDownload = Get-AllSPOPackages -GlobalAdminAccount $GlobalAdminAccount if ($filesToDownload.Count -gt 0) { foreach ($fileToCopy in $filesToDownload) { $filePath = Join-Path $env:Temp $fileToCopy.Name -Resolve $destPath = Join-Path $OutputDSCPath $fileToCopy.Name Copy-Item -Path $filePath -Destination $destPath } } } #endregion if (-not [System.String]::IsNullOrEmpty($FileName)) { $outputDSCFile = $OutputDSCPath + $FileName } else { $outputDSCFile = $OutputDSCPath + "M365TenantConfig.ps1" } $DSCContent | Out-File $outputDSCFile if (!$AzureAutomation) { $outputConfigurationData = $OutputDSCPath + "ConfigurationData.psd1" New-ConfigurationDataDocument -Path $outputConfigurationData } if ($shouldOpenOutputDirectory) { Invoke-Item -Path $OutputDSCPath } } |