Apps/Get-MicrosoftWvdRemoteDesktop.ps1

Function Get-MicrosoftWvdRemoteDesktop {
    <#
        .SYNOPSIS
            Get the current version and download URL for the Microsoft Remote Desktop client for Windows Virtual Desktop.
 
        .NOTES
            Site: https://stealthpuppy.com
            Author: Aaron Parker
            Twitter: @stealthpuppy
    #>

    [OutputType([System.Management.Automation.PSObject])]
    [CmdletBinding(SupportsShouldProcess = $False)]
    param (
        [Parameter(Mandatory = $False, Position = 0)]
        [ValidateNotNull()]
        [System.Management.Automation.PSObject]
        $res = (Get-FunctionResource -AppName ("$($MyInvocation.MyCommand)".Split("-"))[1]),

        [Parameter(Mandatory = $False, Position = 1)]
        [ValidateNotNull()]
        [System.String] $Filter
    )

    ForEach ($channel in $res.Get.Download.Uri.Keys) {
        Write-Verbose -Message "$($MyInvocation.MyCommand): Querying for channel: $channel."

        ForEach ($architecture in $res.Get.Download.Uri.$channel.Keys) {
            Write-Verbose -Message "$($MyInvocation.MyCommand): Querying for architecture: $architecture."

            # Grab the download link headers to find the file name
            try {
                #TODO: Update Invoke-WebRequestWrapper to optionally return Headers instead of Content
                $params = @{
                    Uri             = $res.Get.Download.Uri.$channel[$architecture]
                    Method          = "Head"
                    UseBasicParsing = $True
                    ErrorAction     = "Continue"
                }
                $Headers = (Invoke-WebRequest @params).Headers
            }
            catch {
                Throw "$($MyInvocation.MyCommand): Error at: $($res.Get.Download.Uri.$channel[$architecture]) with: $($_.Exception.Response.StatusCode)"
            }

            # Match filename
            $Filename = [RegEx]::Match($Headers['Content-Disposition'], $res.Get.Download.MatchFilename).Captures.Groups[1].Value

            # Build the download URL from the headers returned from the API
            # TODO: Update this to better handle changes in the URL structure
            $Url = "$($res.Get.Download.ApiUri)/$($Headers.($res.Get.Download.ApiHeader1))/$($Headers.($res.Get.Download.ApiHeader2))/$($Headers.($res.Get.Download.ApiHeader3))"

            # Construct the output; Return the custom object to the pipeline
            $PSObject = [PSCustomObject] @{
                Version      = [RegEx]::Match($Headers['Content-Disposition'], $res.Get.Download.MatchVersion).Captures.Value
                Architecture = $architecture
                Channel      = $channel
                Date         = ConvertTo-DateTime -DateTime $($Headers['Last-Modified'] | Select-Object -First 1) -Pattern $res.Get.Download.DatePattern
                Size         = $Headers['Content-Length'] | Select-Object -First 1
                Filename     = $Filename
                URI          = $Url
            }
            Write-Output -InputObject $PSObject
        }
    }
}