Public/Save-EvergreenApp.ps1
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Function Save-EvergreenApp { <# .EXTERNALHELP Evergreen-help.xml #> [OutputType([System.Management.Automation.PSObject])] [CmdletBinding(SupportsShouldProcess = $True, HelpURI = "https://stealthpuppy.com/evergreen/save/", DefaultParameterSetName = "Path")] [Alias("sea")] param ( [Parameter( Mandatory = $True, Position = 0, ValueFromPipeline, HelpMessage = "Pass an application object from Get-EvergreenApp.")] [ValidateNotNull()] [System.Management.Automation.PSObject] $InputObject, [Parameter( Mandatory = $False, Position = 1, ValueFromPipelineByPropertyName, HelpMessage = "Specify a top-level directory path where the application installers will be saved into.", ParameterSetName = "Path")] #[ValidateNotNull()] [System.IO.FileInfo] $Path, [Parameter( Mandatory = $False, Position = 1, ValueFromPipelineByPropertyName, HelpMessage = "Specify a single directory path where all application installers will be saved into.", ParameterSetName = "CustomPath")] #[ValidateNotNull()] [System.IO.FileInfo] $CustomPath, [Parameter(Mandatory = $False, Position = 2)] [System.String] $Proxy, [Parameter(Mandatory = $False, Position = 3)] [System.Management.Automation.PSCredential] $ProxyCredential = [System.Management.Automation.PSCredential]::Empty, [Parameter(Mandatory = $False)] [System.Management.Automation.SwitchParameter] $Force, [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 = [System.Management.Automation.ActionPreference]::Continue } Else { $ProgressPreference = [System.Management.Automation.ActionPreference]::SilentlyContinue } # Path variable from parameters set via -Path or -CustomPath Switch ($PSCmdlet.ParameterSetName) { "Path" { If ([System.String]::IsNullOrEmpty($Path)) { Throw "Cannot bind argument to parameter 'Path' because it is null."} $NewPath = $Path } "CustomPath" { If ([System.String]::IsNullOrEmpty($CustomPath)) { Throw "Cannot bind argument to parameter 'CustomPath' because it is null."} $NewPath = $CustomPath } } #region Test $Path and attempt to create it if it doesn't exist If (Test-Path -Path $NewPath -PathType "Container") { Write-Verbose -Message "$($MyInvocation.MyCommand): Path exists: $NewPath." } Else { Write-Verbose -Message "$($MyInvocation.MyCommand): Path does not exist: $NewPath." try { Write-Verbose -Message "$($MyInvocation.MyCommand): Create: $NewPath." $params = @{ Path = $NewPath ItemType = "Container" ErrorAction = "SilentlyContinue" } New-Item @params | Out-Null } catch { Throw "$($MyInvocation.MyCommand): Failed to create $NewPath with: $($_.Exception.Message)" } } #endregion # Enable TLS 1.2 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } Process { # Loop through each object and download to the target path ForEach ($Object in $InputObject) { #region Validate the URI property and find the output filename If ([System.Boolean]($Object.URI)) { Write-Verbose -Message "$($MyInvocation.MyCommand): URL: $($Object.URI)." If ([System.Boolean]($Object.FileName)) { $OutFile = $Object.FileName } ElseIf ([System.Boolean]($Object.URI)) { $OutFile = Split-Path -Path $Object.URI -Leaf } } Else { Throw "$($MyInvocation.MyCommand): Object does not have valid URI property." } #endregion # Handle the output path depending on whether -Path or -CustomPath are used Switch ($PSCmdlet.ParameterSetName) { "Path" { # Resolve $Path to build the initial value of $OutPath $OutPath = Resolve-Path -Path $Path -ErrorAction "SilentlyContinue" If ($Null -ne $OutPath) { #region Validate the Version property If ([System.Boolean]($Object.Version)) { # Build $OutPath with the "Channel", "Release", "Language", "Architecture" properties $OutPath = New-EvergreenPath -InputObject $Object -Path $OutPath Write-Verbose -Message "$($MyInvocation.MyCommand): Downloading to: $(Join-Path -Path $OutPath -ChildPath $OutFile)." } Else { Throw "$($MyInvocation.MyCommand): Object does not have valid Version property." } #endregion } Else { Throw "$($MyInvocation.MyCommand): Failed validating $OutPath." } } "CustomPath" { $OutPath = Resolve-Path -Path $CustomPath -ErrorAction "Stop" } } # Download the file If ($PSCmdlet.ShouldProcess($Object.URI, "Download")) { If ($PSBoundParameters.ContainsKey("Force") -or !(Test-Path -Path $(Join-Path -Path $OutPath -ChildPath $OutFile))) { try { #region Download the file $params = @{ Uri = $Object.URI OutFile = $(Join-Path -Path $OutPath -ChildPath $OutFile) UseBasicParsing = $True ErrorAction = "Continue" } If ($PSBoundParameters.ContainsKey("Proxy")) { $params.Proxy = $Proxy } If ($PSBoundParameters.ContainsKey("ProxyCredential")) { $params.ProxyCredential = $ProxyCredential } Invoke-WebRequest @params #endregion #region Write the downloaded file path to the pipeline If (Test-Path -Path $(Join-Path -Path $OutPath -ChildPath $OutFile)) { Write-Verbose -Message "$($MyInvocation.MyCommand): Successfully downloaded: $(Join-Path -Path $OutPath -ChildPath $OutFile)." Write-Output -InputObject (Get-ChildItem -Path (Join-Path -Path $OutPath -ChildPath $OutFile)) } #endregion } catch [System.Exception] { Throw "$($MyInvocation.MyCommand): URL: [$($Object.URI)]. Download failed with: [$($_.Exception.Message)]" } } Else { #region Write the downloaded file path to the pipeline If (Test-Path -Path $(Join-Path -Path $OutPath -ChildPath $OutFile)) { Write-Verbose -Message "$($MyInvocation.MyCommand): File exists: $(Join-Path -Path $OutPath -ChildPath $OutFile)." Write-Output -InputObject (Get-ChildItem -Path (Join-Path -Path $OutPath -ChildPath $OutFile)) } #endregion } } } } End { Write-Verbose -Message "$($MyInvocation.MyCommand): Complete." If ($PSCmdlet.ShouldProcess("Remove variables")) { If (Test-Path -Path Variable:params) { Remove-Variable -Name "params" -ErrorAction "SilentlyContinue" } Remove-Variable -Name "OutPath", "OutFile" -ErrorAction "SilentlyContinue" } } } |