Tomas Kracmar
33e1118cc6
Invoke-GraphRequest with -AllPages returns the full response object with accumulated items in .value, not a flat array.
524 lines
21 KiB
PowerShell
524 lines
21 KiB
PowerShell
#requires -Version 5.1
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<#
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.SYNOPSIS
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Backup and restore Intune policy/app assignments.
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.DESCRIPTION
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Backs up assignments for selected object types to a JSON file,
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or restores assignments from a previously created backup.
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Works cross-platform (macOS/Linux/Windows) using the headless auth stack.
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.EXAMPLE
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# Backup
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./Scripts/Backup-Restore-Assignments.ps1 -TenantId "..." -Mode Backup -OutputPath ./backups/assignments-backup.json
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# Restore
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./Scripts/Backup-Restore-Assignments.ps1 -TenantId "..." -Mode Restore -InputPath ./backups/assignments-backup.json
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[string]$TenantId,
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[Parameter(Mandatory = $true)]
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[ValidateSet("Backup","Restore")]
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[string]$Mode,
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[string]$OutputPath,
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[string]$InputPath,
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[string]$AppId,
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[string]$Secret,
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[string]$Certificate,
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[ValidateSet("AppOnly","Browser","DeviceCode")]
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[string]$AuthMode = "AppOnly",
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[string]$RedirectUri,
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[string]$SettingsFile
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)
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$ErrorActionPreference = "Stop"
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#region Helper functions
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function Test-FzfAvailable
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{
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return [bool](Get-Command fzf -ErrorAction SilentlyContinue)
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}
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function Show-FzfMenu
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{
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param(
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[Parameter(Mandatory)]
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[string[]]$Items,
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[string]$Header = "Select one",
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[switch]$Multi
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)
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$argsList = @("--header=$Header")
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if($Multi) { $argsList += "--multi" }
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$selected = $Items | fzf @argsList --bind=space:toggle
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if(-not $selected) { return $null }
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if($Multi) { return @($selected -split "`r?`n" | Where-Object { $_ }) }
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return $selected
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}
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function Show-NumberedMenu
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{
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param(
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[Parameter(Mandatory)]
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[string[]]$Items,
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[string]$Header = "Select one or more",
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[switch]$Multi
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)
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Write-Host "`n$Header" -ForegroundColor Cyan
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for($i=0; $i -lt $Items.Count; $i++)
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{
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Write-Host " $($i+1). $($Items[$i])"
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}
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if($Multi)
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{
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$prompt = "Enter numbers separated by commas (e.g. 1,3,5) or 'all'"
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}
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else
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{
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$prompt = "Enter a number"
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}
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$choice = Read-Host $prompt
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if($choice -eq "all" -and $Multi) { return $Items }
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$indices = $choice -split "," | ForEach-Object { $_.Trim() } | Where-Object { $_ -match "^\d+$" } | ForEach-Object { [int]$_ - 1 } | Where-Object { $_ -ge 0 -and $_ -lt $Items.Count }
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if($Multi)
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{
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return $Items[$indices] | Select-Object -Unique
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}
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else
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{
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if($indices.Count -eq 0) { return $null }
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return $Items[$indices[0]]
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}
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}
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function Select-MenuItem
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{
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param(
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[Parameter(Mandatory)]
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[string[]]$Items,
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[string]$Header = "Select one",
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[switch]$Multi
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)
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if(Test-FzfAvailable)
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{
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return Show-FzfMenu -Items $Items -Header $Header -Multi:$Multi
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}
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return Show-NumberedMenu -Items $Items -Header $Header -Multi:$Multi
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}
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function Read-YesNo
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{
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param(
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[string]$Prompt,
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[bool]$Default = $false
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)
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$defaultChar = if($Default) { "Y" } else { "N" }
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$response = Read-Host "$Prompt [Y/n] (default: $defaultChar)"
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if([string]::IsNullOrWhiteSpace($response)) { return $Default }
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return $response -match "^\s*y"
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}
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function Get-DefaultSettingsPath
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{
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if($IsWindows -or $env:OS -eq "Windows_NT")
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{
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if($env:LOCALAPPDATA) { return (Join-Path $env:LOCALAPPDATA "macOS_IntuneManagement\Settings.json") }
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return (Join-Path $env:USERPROFILE "AppData\Local\macOS_IntuneManagement\Settings.json")
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}
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if($IsMacOS) { return (Join-Path $HOME "Library/Application Support/macOS_IntuneManagement/Settings.json") }
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return (Join-Path $HOME ".local/share/macOS_IntuneManagement/Settings.json")
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}
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#endregion
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#region Validate paths
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if($Mode -eq "Backup" -and -not $OutputPath)
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{
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throw "Backup mode requires -OutputPath."
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}
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if($Mode -eq "Restore" -and -not $InputPath)
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{
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throw "Restore mode requires -InputPath."
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}
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if($Mode -eq "Restore" -and -not (Test-Path $InputPath))
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{
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throw "Input file not found: $InputPath"
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}
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#endregion
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#region Initialize Runtime
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$projectRoot = Split-Path -Parent $PSScriptRoot
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$runtimeModule = Join-Path $projectRoot "Runtime/IntuneManagement.Runtime.psd1"
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if(-not (Test-Path $runtimeModule))
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{
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throw "Could not find IntuneManagement.Runtime.psd1 in $projectRoot"
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}
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$settingsPath = $SettingsFile
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if(-not $settingsPath)
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{
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$settingsPath = Get-DefaultSettingsPath
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}
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# Pre-load auth from settings
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if($AuthMode -eq "AppOnly" -and (Test-Path $settingsPath) -and (-not $AppId -or (-not $Secret -and -not $Certificate)))
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{
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try
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{
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$raw = Get-Content -Path $settingsPath -Raw -ErrorAction Stop
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$settingsObj = ConvertFrom-Json $raw -AsHashtable -ErrorAction Stop
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if($settingsObj -and $settingsObj.ContainsKey($TenantId))
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{
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$tenantNode = $settingsObj[$TenantId]
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if(-not $AppId -and $tenantNode.ContainsKey("GraphAzureAppId"))
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{
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$AppId = $tenantNode["GraphAzureAppId"]
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}
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if(-not $Secret -and $tenantNode.ContainsKey("GraphAzureAppSecret"))
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{
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$Secret = $tenantNode["GraphAzureAppSecret"]
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}
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if(-not $Certificate -and $tenantNode.ContainsKey("GraphAzureAppCert"))
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{
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$Certificate = $tenantNode["GraphAzureAppCert"]
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}
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}
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if(-not $Secret -and $IsMacOS -and $AppId)
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{
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try
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{
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$keychainSecret = security find-generic-password -a "IntuneManagement" -s "IntuneMgmt-$AppId" -w 2>$null
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if($keychainSecret) { $Secret = $keychainSecret }
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}
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catch { }
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}
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}
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catch { }
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}
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$invokeParams = @{
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Silent = $true
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JSonSettings = $true
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JSonFile = $settingsPath
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TenantId = $TenantId
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AppId = $AppId
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AuthMode = $AuthMode
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}
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if($RedirectUri) { $invokeParams.RedirectUri = $RedirectUri }
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if($AuthMode -eq "AppOnly" -and $Secret) { $invokeParams.Secret = $Secret }
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elseif($AuthMode -eq "AppOnly") { $invokeParams.Certificate = $Certificate }
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Import-Module $runtimeModule -Force
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Initialize-IntuneManagementRuntime -View "IntuneGraphAPI" @invokeParams
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#endregion
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#region Ensure Graph connectivity
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if(-not (Get-Command Invoke-GraphRequest -ErrorAction SilentlyContinue))
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{
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throw "Graph runtime did not load Invoke-GraphRequest. Aborting."
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}
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Write-Host "`nConnecting to Microsoft Graph..." -ForegroundColor Cyan
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try
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{
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$org = Invoke-GraphRequest "/organization"
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Write-Host "Connected to tenant: $($org.value[0].displayName) ($($org.value[0].id))" -ForegroundColor Green
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}
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catch
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{
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throw "Failed to connect to Graph. Ensure auth parameters are correct. Error: $_"
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}
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#endregion
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#region Object type registry
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$assignableTypes = @(
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[PSCustomObject]@{ Title = "Applications"; API = "/deviceAppManagement/mobileApps"; AssignmentsType = "mobileAppAssignments"; HasIntent = $true; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Device Configuration"; API = "/deviceManagement/deviceConfigurations"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Settings Catalog"; API = "/deviceManagement/configurationPolicies"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "name" },
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[PSCustomObject]@{ Title = "Compliance Policies"; API = "/deviceManagement/deviceCompliancePolicies"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Administrative Templates"; API = "/deviceManagement/groupPolicyConfigurations"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Endpoint Security"; API = "/deviceManagement/intents"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "App Protection"; API = "/deviceAppManagement/managedAppPolicies"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "App Configuration (Device)"; API = "/deviceAppManagement/mobileAppConfigurations"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Platform Scripts"; API = "/deviceManagement/deviceManagementScripts"; AssignmentsType = "deviceManagementScriptAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "macOS Scripts"; API = "/deviceManagement/deviceShellScripts"; AssignmentsType = "deviceManagementScriptAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Device Health Scripts"; API = "/deviceManagement/deviceHealthScripts"; AssignmentsType = "deviceHealthScriptAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "macOS Custom Attributes"; API = "/deviceManagement/deviceCustomAttributeShellScripts"; AssignmentsType = "deviceManagementScriptAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Enrollment Restrictions"; API = "/deviceManagement/deviceEnrollmentConfigurations"; AssignmentsType = "enrollmentConfigurationAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Enrollment Status Page"; API = "/deviceManagement/deviceEnrollmentConfigurations"; AssignmentsType = "enrollmentConfigurationAssignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Autopilot"; API = "/deviceManagement/windowsAutopilotDeploymentProfiles"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Terms and Conditions"; API = "/deviceManagement/termsAndConditions"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Policy Sets"; API = "/deviceAppManagement/policySets"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Update Policies"; API = "/deviceManagement/windowsUpdateForBusinessConfigurations"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Feature Updates"; API = "/deviceManagement/windowsFeatureUpdateProfiles"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Quality Updates"; API = "/deviceManagement/windowsQualityUpdateProfiles"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" },
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[PSCustomObject]@{ Title = "Device Management Intents"; API = "/deviceManagement/intents"; AssignmentsType = "assignments"; HasIntent = $false; NameProp = "displayName" }
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)
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#endregion
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#region BACKUP
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if($Mode -eq "Backup")
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{
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$typeTitles = $assignableTypes | ForEach-Object { $_.Title }
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$selectedTypeTitles = Select-MenuItem -Items $typeTitles -Header "Select object types to back up (multi-select)" -Multi
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if(-not $selectedTypeTitles)
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{
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Write-Host "No types selected. Exiting." -ForegroundColor Yellow
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exit 0
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}
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# Preload groups for name resolution in backup
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Write-Host "`nLoading groups for backup resolution..." -ForegroundColor Cyan
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$backupGroupsResponse = Invoke-GraphRequest "/groups?`$select=id,displayName&`$orderby=displayName" -AllPages
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$backupGroups = @{}
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foreach($g in $backupGroupsResponse.value)
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{
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$backupGroups[$g.id] = $g.displayName
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}
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$backupData = @{
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TenantId = $org.value[0].id
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TenantName = $org.value[0].displayName
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Created = (Get-Date -Format "o")
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Groups = $backupGroups
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Objects = @()
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}
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foreach($typeTitle in $selectedTypeTitles)
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{
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$objectType = $assignableTypes | Where-Object { $_.Title -eq $typeTitle } | Select-Object -First 1
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Write-Host "`nBacking up $($objectType.Title) assignments..." -ForegroundColor Cyan
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try
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{
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$objectsResponse = Invoke-GraphRequest "$($objectType.API)?`$select=id,$($objectType.NameProp)&`$orderby=$($objectType.NameProp)"
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$objects = $objectsResponse.value | Where-Object { $_ }
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Write-Host " Found $($objects.Count) objects" -ForegroundColor Green
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foreach($obj in $objects)
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{
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try
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{
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$assignmentsResponse = Invoke-GraphRequest "$($objectType.API)/$($obj.id)/assignments"
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$assignments = $assignmentsResponse.value
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if($assignments.Count -gt 0)
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{
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# Enrich assignments with group display names for cross-tenant restore
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$enrichedAssignments = $assignments | ConvertTo-Json -Depth 50 | ConvertFrom-Json
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foreach($ass in $enrichedAssignments)
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{
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if($ass.target.groupId -and $backupGroups.ContainsKey($ass.target.groupId))
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{
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$ass.target | Add-Member -NotePropertyName "_backupGroupName" -NotePropertyValue $backupGroups[$ass.target.groupId] -Force
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}
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}
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$backupData.Objects += [PSCustomObject]@{
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ObjectType = $objectType.Title
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ObjectId = $obj.id
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ObjectName = if($objectType.NameProp -eq "name") { $obj.name } else { $obj.displayName }
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NameProp = $objectType.NameProp
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API = $objectType.API
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AssignmentsType = $objectType.AssignmentsType
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Assignments = $enrichedAssignments
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}
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}
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}
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catch
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{
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Write-Host " WARNING: Could not backup assignments for $($obj."$($objectType.NameProp)")" -ForegroundColor DarkYellow
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}
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}
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}
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catch
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{
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Write-Host " WARNING: Could not load objects for $($objectType.Title)" -ForegroundColor DarkYellow
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}
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}
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$backupJson = $backupData | ConvertTo-Json -Depth 50
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$OutputPath = (Resolve-Path (Split-Path -Parent $OutputPath) -ErrorAction SilentlyContinue).Path + "/" + (Split-Path -Leaf $OutputPath)
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$backupJson | Out-File -LiteralPath $OutputPath -Encoding utf8 -Force
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$totalAssignments = 0
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foreach($obj in $backupData.Objects) { $totalAssignments += $obj.Assignments.Count }
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Write-Host "`n========================================" -ForegroundColor Cyan
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Write-Host " Backup Complete" -ForegroundColor Cyan
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Write-Host "========================================" -ForegroundColor Cyan
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Write-Host " File : $OutputPath"
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Write-Host " Objects : $($backupData.Objects.Count)"
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Write-Host " Assignments : $totalAssignments"
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}
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#endregion
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#region RESTORE
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elseif($Mode -eq "Restore")
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{
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$backup = Get-Content $InputPath -Raw | ConvertFrom-Json
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Write-Host "`nBackup info:" -ForegroundColor Cyan
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Write-Host " Tenant : $($backup.TenantName) ($($backup.TenantId))"
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Write-Host " Created: $($backup.Created)"
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Write-Host " Objects: $($backup.Objects.Count)"
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$currentTenantId = $org.value[0].id
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if($backup.TenantId -ne $currentTenantId)
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{
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Write-Host "`nWARNING: Backup is from a different tenant!" -ForegroundColor Yellow
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if(-not (Read-YesNo -Prompt "Continue anyway?" -Default $false))
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{
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Write-Host "Cancelled." -ForegroundColor Yellow
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exit 0
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}
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}
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# Resolve group names to IDs in current tenant if needed
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Write-Host "`nLoading current tenant groups for name resolution..." -ForegroundColor Cyan
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$currentGroupsResponse = Invoke-GraphRequest "/groups?`$select=id,displayName&`$orderby=displayName" -AllPages
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$currentGroups = $currentGroupsResponse.value
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$success = 0
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$skipped = 0
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$failed = 0
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foreach($entry in $backup.Objects)
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{
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Write-Host "`nRestoring: $($entry.ObjectName) ($($entry.ObjectType))" -ForegroundColor Cyan
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# Try to find the object in current tenant by displayName
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$nameProp = ?? $entry.NameProp "displayName"
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$searchUrl = "$($entry.API)?`$filter=$nameProp eq '$([uri]::EscapeDataString($entry.ObjectName))'&`$select=id,$nameProp"
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try
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{
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$searchResult = Invoke-GraphRequest $searchUrl
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$targetObj = $searchResult.value | Select-Object -First 1
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}
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catch
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{
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$targetObj = $null
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}
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if(-not $targetObj)
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{
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Write-Host " SKIP: Object '$($entry.ObjectName)' not found in current tenant" -ForegroundColor DarkYellow
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$failed++
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continue
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}
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# Load existing assignments to avoid duplicates
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try
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{
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$existing = Invoke-GraphRequest "$($entry.API)/$($targetObj.id)/assignments"
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$existingTargets = $existing.value
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}
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catch
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{
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Write-Host " ERROR: Could not load existing assignments" -ForegroundColor Red
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$failed++
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continue
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}
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function Test-BackupAssignmentExists
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{
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param($assignment, $existingList)
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$t = $assignment.target
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foreach($ea in $existingList)
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{
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$et = $ea.target
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if($t."@odata.type" -ne $et."@odata.type") { continue }
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if($t.groupId -and $t.groupId -ne $et.groupId) { continue }
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# Also match intent for apps
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if($entry.AssignmentsType -eq "mobileAppAssignments" -and ($assignment.intent -ne $ea.intent)) { continue }
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return $true
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}
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return $false
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}
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foreach($assignment in $entry.Assignments)
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{
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# Clone assignment to avoid modifying backup data
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$restoredAssignment = $assignment | ConvertTo-Json -Depth 50 | ConvertFrom-Json
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# Remove Id
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if($restoredAssignment.PSObject.Properties["id"])
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{
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$restoredAssignment.PSObject.Properties.Remove("id")
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}
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# Map group IDs if cross-tenant
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if($backup.TenantId -ne $currentTenantId -and $restoredAssignment.target.groupId)
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{
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$originalGroupName = $restoredAssignment.target."_backupGroupName"
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if($originalGroupName)
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{
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$matchedGroup = $currentGroups | Where-Object { $_.displayName -eq $originalGroupName } | Select-Object -First 1
|
|
if($matchedGroup)
|
|
{
|
|
Write-Host " MAPPED: Group '$originalGroupName' -> $($matchedGroup.id)" -ForegroundColor Gray
|
|
$restoredAssignment.target.groupId = $matchedGroup.id
|
|
}
|
|
else
|
|
{
|
|
Write-Host " SKIP: Could not find group '$originalGroupName' in current tenant" -ForegroundColor DarkYellow
|
|
$skipped++
|
|
continue
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Write-Host " SKIP: Cross-tenant restore cannot resolve group without name mapping" -ForegroundColor DarkYellow
|
|
$skipped++
|
|
continue
|
|
}
|
|
}
|
|
|
|
# Clean up internal property before sending
|
|
if($restoredAssignment.target.PSObject.Properties["_backupGroupName"])
|
|
{
|
|
$restoredAssignment.target.PSObject.Properties.Remove("_backupGroupName")
|
|
}
|
|
|
|
if(Test-BackupAssignmentExists -assignment $restoredAssignment -existingList $existingTargets)
|
|
{
|
|
Write-Host " SKIP: Assignment already exists" -ForegroundColor DarkYellow
|
|
$skipped++
|
|
continue
|
|
}
|
|
|
|
# Prepare payload
|
|
$payload = @{
|
|
$entry.AssignmentsType = @($restoredAssignment)
|
|
}
|
|
|
|
try
|
|
{
|
|
$body = $payload | ConvertTo-Json -Depth 50 -Compress
|
|
$null = Invoke-GraphRequest "$($entry.API)/$($targetObj.id)/assign" -HttpMethod POST -Content $body
|
|
Write-Host " OK: Restored assignment" -ForegroundColor Green
|
|
$success++
|
|
}
|
|
catch
|
|
{
|
|
Write-Host " ERROR: Failed to restore assignment. $($_.Exception.Message)" -ForegroundColor Red
|
|
$failed++
|
|
}
|
|
}
|
|
}
|
|
|
|
Write-Host "`n========================================" -ForegroundColor Cyan
|
|
Write-Host " Restore Complete" -ForegroundColor Cyan
|
|
Write-Host "========================================" -ForegroundColor Cyan
|
|
Write-Host " Success : $success"
|
|
Write-Host " Skipped : $skipped"
|
|
Write-Host " Failed : $failed"
|
|
}
|
|
#endregion
|