Download-SupervisorContent.ps1

# Fixed: Download-SupervisorContent.ps1
# https://techdocs.broadcom.com/us/en/vmware-cis/vcf/vcf-9-0-and-later/9-0/vsphere-supervisor-installation-and-configuration/updating-vsphere-supervisor/updating-the-vsphere-with-tanzu-environment/configuring-a-subscribed-content-library-for-supervisor-images-in-air-gapped-environment/create-a-remote-content-library-pulisher-in-a-local-environment.html
# Set-ExecutionPolicy RemoteSigned -Scope Process

param (
    [string]$BaseUrl = "https://wp-content-pstg.broadcom.com/supervisor/v1/latest/",
    [string]$DownloadPath = ".\SupervisorContent"
)

function Get-FilesFromHtml {
    param ([string]$url)

    try {
        $html = Invoke-WebRequest -Uri $url -UseBasicParsing
        $links = $html.Links | Where-Object { $_.href -ne "../" }

        foreach ($link in $links) {
            $href = $link.href
            $childUrl = "$url$href"
            $relativePath = ($childUrl -replace [regex]::Escape($BaseUrl), "").Replace('/', '\')
            $localPath = Join-Path $DownloadPath $relativePath

            if ($href -match "/$") {
                # It's a folder
                if (-not (Test-Path $localPath)) {
                    New-Item -ItemType Directory -Path $localPath -Force | Out-Null
                }
                Get-FilesFromHtml -url $childUrl
            } else {
                # It's a file
                $localDir = Split-Path $localPath -Parent
                if (-not (Test-Path $localDir)) {
                    New-Item -ItemType Directory -Path $localDir -Force | Out-Null
                }

                if (Test-Path $localPath) {
                    Write-Host "Skipping (already exists): $relativePath" -ForegroundColor Yellow
                    continue
                }

                Write-Host "Downloading: $childUrl" -ForegroundColor Cyan
                Invoke-WebRequest -Uri $childUrl -OutFile $localPath -UseBasicParsing
            }
        }
    } catch {
        Write-Warning "Failed to process $url : $($_.Exception.Message)"
    }
}

# Ensure download path is set
if ([string]::IsNullOrEmpty($DownloadPath)) {
    throw "DownloadPath must be specified."
}

# Create base folder if missing
if (-not (Test-Path $DownloadPath)) {
    New-Item -ItemType Directory -Path $DownloadPath -Force | Out-Null
}

# Start the recursive download
Get-FilesFromHtml -url $BaseUrl

Write-Host "`n✅ Finished downloading all Supervisor image content." -ForegroundColor Green