Merge branch '11-24031' of https://github.com/rbalsleyMSFT/FFU into 11-24031

FFUDevelopment/BuildFFUVM.ps1

@@ -433,24 +433,126 @@ function Invoke-Process {
     }
 	
 }
+function Get-ADKURL {
+    param (
+        [ValidateSet("Windows ADK", "WinPE add-on")]
+        [string]$ADKOption
+    )
+
+    # Define base pattern for URL scraping
+    $basePattern = '<li><a href="(https://[^"]+)" data-linktype="external">Download the '
+
+    # Define specific URL patterns based on ADK options
+    $ADKUrlPattern = @{
+        "Windows ADK" = $basePattern + "Windows ADK"
+        "WinPE add-on" = $basePattern + "Windows PE add-on for the Windows ADK"
+    }[$ADKOption]
+
+    try {
+        # Retrieve content of Microsoft documentation page
+        $ADKWebPage = Invoke-RestMethod "https://learn.microsoft.com/en-us/windows-hardware/get-started/adk-install"
+        
+        # Extract download URL based on specified pattern
+        $ADKMatch = [regex]::Match($ADKWebPage, $ADKUrlPattern)
+
+        if (-not $ADKMatch.Success) {
+            WriteLog "Failed to retrieve ADK download URL. Pattern match failed."
+            return
+        }
+
+        # Extract FWlink from the matched pattern
+        $ADKFWLink = $ADKMatch.Groups[1].Value
+
+        if ($null -eq $ADKFWLink) {
+            WriteLog "FWLink for $ADKOption not found."
+            return
+        }
+
+        # Retrieve headers of the FWlink URL
+        $FWLinkRequest = Invoke-WebRequest -Uri $ADKFWLink -Method Head -MaximumRedirection 0 -ErrorAction SilentlyContinue
+
+        if ($FWLinkRequest.StatusCode -ne 302) {
+            WriteLog "Failed to retrieve ADK download URL. Unexpected status code: $($FWLinkRequest.StatusCode)"
+            return
+        }
+
+        # Get the ADK link redirected to by the FWlink
+        $ADKUrl = $FWLinkRequest.Headers.Location
+        return $ADKUrl
+    }
+    catch {
+        WriteLog $_
+        Write-Error "Error occurred while retrieving ADK download URL"
+        throw $_
+    }
+}
+function Install-ADK {
+    param (
+        [ValidateSet("Windows ADK", "WinPE add-on")]
+        [string]$ADKOption
+    )
+
+    try {
+        $ADKUrl = Get-ADKURL -ADKOption $ADKOption
+        
+        if ($null -eq $ADKUrl) {
+            throw "Failed to retrieve URL for $ADKOption. Please manually install it."
+        }
+
+        # Select the installer based on the ADK option specified
+        $installer = @{
+            "Windows ADK" = "adksetup.exe"
+            "WinPE add-on" = "adkwinpesetup.exe"
+        }[$ADKOption]
+
+        # Select the feature based on the ADK option specified
+        $feature = @{
+            "Windows ADK" = "OptionId.DeploymentTools"
+            "WinPE add-on" = "OptionId.WindowsPreinstallationEnvironment"
+        }[$ADKOption]
+
+        $installerLocation = Join-Path $env:TEMP $installer
+
+        WriteLog "Downloading $ADKOption from $ADKUrl to $installerLocation"
+        Start-BitsTransfer -Source $ADKUrl -Destination $installerLocation -ErrorAction Stop
+        WriteLog "$ADKOption downloaded to $installerLocation"
+        
+        WriteLog "Installing $ADKOption with $feature enabled"
+        Invoke-Process $installerLocation "/quiet /installpath ""%ProgramFiles(x86)%\Windows Kits\10"" /features $feature"
+        
+        WriteLog "$ADKOption installation completed."
+        WriteLog "Removing $installer from $installerLocation"
+        # Clean up downloaded installation file
+        Remove-Item -Path $installerLocation -Force -ErrorAction SilentlyContinue
+    }
+    catch {
+        WriteLog $_
+        Write-Error "Error occurred while installing $ADKOption. Please manually install it."
+        throw $_
+    }
+}
 Function Get-ADK {
     Writelog 'Get ADK Path'
     # Define the registry key and value name to query
     $adkRegKey = "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows Kits\Installed Roots"
     $adkRegValueName = "KitsRoot10"
 
-    # Check if the registry key exists
+    # Check if the registry value exists
-    if (Test-Path $adkRegKey) {
+    if ($null -ne (Get-ItemProperty -Path $adkRegKey -Name $adkRegValueName -ErrorAction SilentlyContinue)) {
         # Get the registry value for the Windows ADK installation path
         $adkPath = (Get-ItemProperty -Path $adkRegKey -Name $adkRegValueName).$adkRegValueName
-
-        if ($adkPath) {
         WriteLog "ADK located at $adkPath"
         return $adkPath
     }
-    }
     else {
-        throw "Windows ADK is not installed or the installation path could not be found."
+        WriteLog "ADK is not installed. Installing ADK now..."
+        Install-ADK -ADKOption "Windows ADK"
+        WriteLog "Installing WinPE add-on for Windows ADK..."
+        Install-ADK -ADKOption "WinPE add-on"
+        $adkPath = (Get-ItemProperty -Path $adkRegKey -Name $adkRegValueName).$adkRegValueName
+        WriteLog "ADK located at $adkPath"
+        return $adkPath
+        # throw "Windows ADK is not installed or the installation path could not be found."
     }
 }
 function Get-WindowsESD {