Public/Save-VcRedist.ps1
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Function Save-VcRedist { <# .EXTERNALHELP VcRedist-help.xml #> [Alias("Get-VcRedist")] [CmdletBinding(SupportsShouldProcess = $True, HelpURI = "https://vcredist.com/save-vcredist/")] [OutputType([System.Management.Automation.PSObject])] Param ( [Parameter(Mandatory = $True, Position = 0, ValueFromPipeline)] [ValidateNotNull()] [System.Management.Automation.PSObject] $VcList, [Parameter(Mandatory = $False, Position = 1)] [ValidateScript( { If (Test-Path -Path $_ -PathType 'Container') { $True } Else { Throw "Cannot find path $_" } })] [System.String] $Path = (Resolve-Path -Path $PWD), [Parameter(Mandatory = $False)] [System.ObsoleteAttribute("This parameter should no longer be used. Invoke-WebRequest is used for all download operations.")] [System.Management.Automation.SwitchParameter] $ForceWebRequest, [Parameter(Mandatory = $False)] [System.ObsoleteAttribute("This parameter should no longer be used. Invoke-WebRequest is used for all download operations.")] [ValidateSet('Foreground', 'High', 'Normal', 'Low')] [System.String] $Priority = "Foreground", [Parameter(Mandatory = $False, Position = 3)] [System.String] $Proxy, [Parameter(Mandatory = $False, Position = 4)] [System.Management.Automation.PSCredential] $ProxyCredential = [System.Management.Automation.PSCredential]::Empty, [Parameter(Mandatory = $False)] [System.Management.Automation.SwitchParameter] $NoProgress ) Begin { # Disable the Invoke-WebRequest progress bar for faster downloads If ($PSBoundParameters.ContainsKey("Verbose") -and !($PSBoundParameters.ContainsKey("NoProgress"))) { $ProgressPreference = "Continue" } Else { $ProgressPreference = "SilentlyContinue" } # Enable TLS 1.2 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } Process { # Loop through each Redistributable and download to the target path ForEach ($VcRedist in $VcList) { # Build the path to save the VcRedist into # Target folder structure $folder = [System.IO.Path]::Combine((Resolve-Path -Path $Path), $VcRedist.Release, $VcRedist.Version, $VcRedist.Architecture) # Create the folder to store the downloaded file. Skip if it exists Write-Verbose -Message "$($MyInvocation.MyCommand): Test folder: [$folder]." If (Test-Path -Path $folder -ErrorAction "SilentlyContinue") { Write-Verbose -Message "$($MyInvocation.MyCommand): Folder [$folder] exists. Skipping." } Else { If ($PSCmdlet.ShouldProcess($folder, "Create")) { try { $params = @{ Path = $folder Type = "Directory" Force = $True ErrorAction = "SilentlyContinue" } New-Item @params > $Null } catch [System.Exception] { Write-Warning -Message "$($MyInvocation.MyCommand): Failed to create folder: [$folder]." Throw $_.Exception.Message } } } # Test whether the VcRedist is already on disk $target = Join-Path -Path $folder -ChildPath $(Split-Path -Path $VcRedist.Download -Leaf) Write-Verbose -Message "$($MyInvocation.MyCommand): Testing target: $($target)" If (Test-Path -Path $target -PathType "Leaf" -ErrorAction "SilentlyContinue") { $ProductVersion = $(Get-FileMetadata -Path $target).ProductVersion # If the target Redistributable is already downloaded, compare the version If (($VcRedist.Version -gt $ProductVersion) -or ($Null -eq $ProductVersion)) { # Download the newer version Write-Verbose -Message "$($MyInvocation.MyCommand): Manifest version: [$($VcRedist.Version)] > file version: [$ProductVersion]." $download = $True } Else { Write-Verbose -Message "$($MyInvocation.MyCommand): Manifest version: [$($VcRedist.Version)] matches file version: [$ProductVersion]." $download = $False } } Else { $download = $True } # The VcRedist needs to be downloaded If ($download) { If ($PSCmdlet.ShouldProcess($VcRedist.Download, "Invoke-WebRequest")) { try { # Download the file Write-Verbose -Message "$($MyInvocation.MyCommand): Download VcRedist: [$($VcRedist.Release), $($VcRedist.Architecture), $($VcRedist.Version)]" $iwrParams = @{ Uri = $VcRedist.Download OutFile = $target UseBasicParsing = $True ErrorAction = "SilentlyContinue" } If ($PSBoundParameters.ContainsKey("Proxy")) { $iwrParams.Proxy = $Proxy } If ($PSBoundParameters.ContainsKey("ProxyCredential")) { $iwrParams.ProxyCredential = $ProxyCredential } Invoke-WebRequest @iwrParams $Downloaded = $True } catch [System.Exception] { Write-Warning -Message "$($MyInvocation.MyCommand): Failed to download: [$($VcRedist.Name)]." Write-Warning -Message "$($MyInvocation.MyCommand): URL: [$($VcRedist.Download)]." Write-Warning -Message "$($MyInvocation.MyCommand): Download failed with: [$($_.Exception.Message)]" $Downloaded = $False } # Return the $VcList array on the pipeline so that we can act on what was downloaded # Add the Path property pointing to the downloaded file If ($Downloaded) { $VcRedist | Add-Member -MemberType "NoteProperty" -Name "Path" -Value $target Write-Output -InputObject $VcRedist } } } Else { # Return the $VcList array on the pipeline so that we can act on what was downloaded # Add the Path property pointing to the downloaded file Write-Verbose -Message "$($MyInvocation.MyCommand): [$($target)] exists." $VcRedist | Add-Member -MemberType "NoteProperty" -Name "Path" -Value $target Write-Output -InputObject $VcRedist } } } End { } } |