Prerequisites Validation

$hosts = @(
  # Shared — all environments
  'quilr-extensions.quilr.ai',
  'discover.quilrai.dev',
  'log.quilrai.dev',
  # Tenant base + DLP + Auth — selected environment
  'app.quilr.ai',
  'dlpone.quilr.ai',
  'auth-extension.quilr.ai'
)
$failed = @()
foreach ($h in $hosts) {
  $ok = Test-NetConnection $h -Port 443 -InformationLevel Quiet -WarningAction SilentlyContinue
  if ($ok) {
    Write-Host ("[OK]   {0}" -f $h) -ForegroundColor Green
  } else {
    Write-Host ("[FAIL] {0}" -f $h) -ForegroundColor Red
    $failed += $h
  }
}
if ($failed.Count -eq 0) {
  Write-Host "All hosts reachable on TCP/443." -ForegroundColor Green
  exit 0
} else {
  Write-Host ("Blocked: " + ($failed -join ', ')) -ForegroundColor Red
  Write-Host "Allowlist the blocked hosts on the firewall AND SSL-bypass them on any TLS-intercepting SWG, then re-run." -ForegroundColor Yellow
  exit 1
}

$base   = 'https://quilr-extensions.quilr.ai/Quilr-SOP/EndpointAgent/mime-test'
$marker = 'QUILR-MIME-PROBE-OK'
$exts   = 'exe','msi','msp','json','xml','crx'
$fail   = $false
"{0,-6}  {1,-12}  {2}" -f 'Ext', 'Status', 'Content-Type'
foreach ($e in $exts) {
  $status='BLOCKED'; $ct='-'
  try {
    $r = Invoke-WebRequest -Uri "$base/probe.$e" -UseBasicParsing -TimeoutSec 15
    $ct = "$($r.Headers['Content-Type'])"; if (-not $ct) { $ct='(none)' }
    $body = if ($r.Content -is [byte[]]) { [Text.Encoding]::ASCII.GetString($r.Content) } else { [string]$r.Content }
    if ($r.StatusCode -eq 200 -and $body -like "*$marker*") { $status='OK' }
    elseif ($r.StatusCode -eq 200) { $status='ALTERED' }
  } catch {
    if ($_.Exception.Response) {
      $c=[int]$_.Exception.Response.StatusCode
      if ($c -eq 404) { $status='NO-PROBE'; $ct="HTTP 404 (no probe.$e at base)" } else { $ct="HTTP $c" }
    }
  }
  "{0,-6}  {1,-12}  {2}" -f ".$e", $status, $ct
  if ($status -in 'BLOCKED','ALTERED') { $fail = $true }
}
if ($fail) { Write-Host 'RESULT: BLOCKED/ALTERED - allow on SWG and re-run.' -ForegroundColor Red }
else { Write-Host 'RESULT: all probed types pass.' -ForegroundColor Green }