Helper functions for finding the direct download URL for Microsoft Remote Desktop Client installers

Get-RemoteDesktopClient.ps1

function Get-RemoteDesktopVersions {
    [CmdletBinding()]
    param()
    
    try {
        # Use GitHub's API to get the directory listing
        $apiUrl = "https://api.github.com/repos/microsoft/winget-pkgs/contents/manifests/m/Microsoft/RemoteDesktopClient"
        
        # GitHub API requires a user agent
        $headers = @{
            'User-Agent' = 'PowerShell Script'
        }
        
        $response = Invoke-RestMethod -Uri $apiUrl -Headers $headers -ErrorAction Stop
        
        # Extract and sort the versions
        $versions = $response | 
            Where-Object { $_.type -eq "dir" } |
            Select-Object -ExpandProperty name |
            ForEach-Object { 
                # Create version object for proper sorting
                [PSCustomObject]@{
                    VersionString = $_
                    Version = [version]($_ -replace '\.0$')  # Remove trailing .0 for version comparison
                }
            } |
            Sort-Object -Property Version -Descending |
            Select-Object -ExpandProperty VersionString
            
        return $versions
    }
    catch {
        if ($_.Exception.Response.StatusCode -eq 404) {
            Write-Warning "Remote Desktop Client directory not found in winget-pkgs repository"
        }
        else {
            Write-Error "Error fetching versions: $_"
        }
    }
}

function Get-RemoteDesktopInstallerUrl {
    param (
        [Parameter(Mandatory)]
        [string]$version,
        [string]$architecture = "x64"
    )
    
    Write-Host "Searching for Remote Desktop version $version ($architecture)..." -ForegroundColor Cyan
    
    try {
        # Construct the raw GitHub URL for the manifest
        $manifestUrl = "https://raw.githubusercontent.com/microsoft/winget-pkgs/master/manifests/m/Microsoft/RemoteDesktopClient/$version/Microsoft.RemoteDesktopClient.installer.yaml"
        
        # Fetch the manifest content
        $yamlContent = Invoke-RestMethod -Uri $manifestUrl -ErrorAction Stop
        
        # Using regex to extract the specific architecture URL
        $pattern = "(?smi)- Architecture: $architecture.*?InstallerUrl: (https://[^\r\n]+)"
        if ($yamlContent -match $pattern) {
            $installerUrl = $matches[1]
            
            # Create custom object with relevant information
            [PSCustomObject]@{
                Version = $version
                Architecture = $architecture
                InstallerUrl = $installerUrl
                ManifestUrl = $manifestUrl
            }
        }
        else {
            Write-Warning "No $architecture installer found in manifest."
        }
    }
    catch {
        if ($_.Exception.Response.StatusCode -eq 404) {
            Write-Warning "No manifest found for version $version"
        }
        else {
            Write-Error "Error fetching manifest: $_"
        }
    }
}