Powershell Echo Server

start-webserver.ps1

#! powershell

$HttpListener = New-Object System.Net.HttpListener
$HttpListener.Prefixes.Add("http://+:80/")
$HttpListener.Prefixes.Add("http://+:18093/")
$HttpListener.Prefixes.Add("http://+:18095/")

# $HttpListener.Prefixes.Add("https://+:443/")
$HttpListener.Start()

While ($HttpListener.IsListening) {
    $HttpContext = $HttpListener.GetContext()

    $HttpRequest = $HttpContext.Request
    $RequestUrl = $HttpRequest.Url.OriginalString
    Write-Output "Ping"
    $HttpRequest | fl *Url, User*, Protocol*, *EndPoint

    if($HttpRequest.HasEntityBody) {
      $Reader = New-Object System.IO.StreamReader($HttpRequest.InputStream)
      Write-Output $Reader.ReadToEnd()
    }
    $date = Get-Date
    $HttpResponse = $HttpContext.Response
    $HttpResponse.Headers.Add("Content-Type","application/json")
    $HttpResponse.StatusCode = 200
    $json = '{{ "pong": "{0}", "date": "{1}" }}' -f $Env:COMPUTERNAME, $date
    $ResponseBuffer = [System.Text.Encoding]::UTF8.GetBytes($json)
    $HttpResponse.ContentLength64 = $ResponseBuffer.Length
    $HttpResponse.OutputStream.Write($ResponseBuffer,0,$ResponseBuffer.Length)
    $HttpResponse.Close()

    $date
}
$HttpListener.Stop()