Public/Save-MSCatalogUpdate.ps1
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function Save-MSCatalogUpdate { param ( [Parameter(Position = 0, ValueFromPipeline = $true)] [MSCatalogUpdate] $Update, [Parameter(Position = 1)] [String[]] $Guid, [Parameter(Position = 2)] [String] $Destination = (Get-Location).Path, [switch] $Force, [switch] $DownloadAll ) begin { $ProgressPreference = 'SilentlyContinue' $GuidsToProcess = @() $AllUpdates = @() # Check if destination directory exists and create it if needed if (-not (Test-Path -Path $Destination -PathType Container)) { try { New-Item -Path $Destination -ItemType Directory -Force -ErrorAction Stop | Out-Null Write-Output "Created destination directory: $Destination" } catch { Write-Error "Failed to create destination directory '$Destination': $_" return } } } process { if ($Update -and $Update.Guid) { $AllUpdates += $Update } if ($Guid) { $GuidsToProcess += $Guid } } end { # Fixes #21, Fixes #19 # Drop empty entries $GuidsToProcess = $GuidsToProcess | Where-Object { -not [string]::IsNullOrWhiteSpace($_) } if (-not $GuidsToProcess -or $GuidsToProcess.Count -eq 0) { # Filter out updates with valid GUIDs $ValidUpdates = $AllUpdates | Where-Object { $_.Guid -and $_.Guid -ne '' } if ($ValidUpdates -and $ValidUpdates.Count -gt 0) { # Sort by Title to find the latest update $GuidsToProcess = $ValidUpdates | Sort-Object -Property Title -Descending | ForEach-Object { $_.Guid } | Select-Object -First 1 | Select-Object -Unique Write-Output "Selected $($GuidsToProcess.Count) update(s) from pipeline." } else { Write-Warning "No valid update found with a GUID." return } } foreach ($GuidItem in $GuidsToProcess) { if ([string]::IsNullOrWhiteSpace($GuidItem)) { Write-Warning "Skipped empty GUID." continue } $Links = Get-UpdateLinks -Guid $GuidItem if (-not $Links) { Write-Warning "No valid download links found for GUID '$GuidItem'." continue } $TotalCount = if ($DownloadAll) { $Links.Count } else { 1 } Write-Output "Found $($Links.Count) download links for GUID '$GuidItem'. $(if (-not $DownloadAll -and $Links.Count -gt 1) {"Only downloading the first file. Use -DownloadAll to download all files."})" $LinksToProcess = if ($DownloadAll) { $Links } else { $Links | Select-Object -First 1 } $SuccessCount = 0 foreach ($Link in $LinksToProcess) { $url = $Link.URL $name = $url.Split('/')[-1] $cleanname = $name.Split('_')[0] # Determine extension based on URL or use .msu as default $extension = if ($url -match '\.(cab|exe|msi|msp|msu)$') { ".$($matches[1])" } else { ".msu" } $CleanOutFile = $cleanname + $extension $OutFile = Join-Path -Path $Destination -ChildPath $CleanOutFile #Force overwrite check / Fixes#22 if (Test-Path -Path $outFile) { if ($Force) { # Do nothing — allow download to overwrite } else { Write-Warning "File already exists: $CleanOutFile. Skipping download." continue } } try { Write-Output "Downloading $CleanOutFile..." Set-TempSecurityProtocol Invoke-WebRequest -Uri $url -OutFile $OutFile -ErrorAction Stop Set-TempSecurityProtocol -ResetToDefault if (Test-Path -Path $OutFile) { Write-Output "Successfully downloaded file $CleanOutFile to $Destination" $SuccessCount++ } else { Write-Warning "Downloading file $CleanOutFile failed." } } catch { Write-Warning "Error downloading $CleanOutFile : $_" } } Write-Output "Download complete: $SuccessCount of $TotalCount files downloaded successfully." } } } |