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Building basic simple Web Server using PowerShell

While writing few solutions for html code I wanted to test basic html web pages, which I required to check with web server, here PowerShell can be handy to create simple and basic web server to serve html web page for testing purpose.

Microsoft powershell web server httplistener http listener simple web server basic web server context response port url new-object.png

Download this code basic_webserver_httplistener.ps1 here or it is also available on github.com.

To start below are the details about url of webserver and html codes. It is very basic html code and you can see the result of the same above in the browser.

#html url
$url = 'http://localhost:8080/'

#html code
$htmlCode = @"    
<!DOCTYPE html> <html> <body>
<h1>PowerShell Web Server</h1>
<p>Example Web Server with Http Listener</p>
</body> </html>
"@

Here I am using .net object System.Net.HttpListener to create a basic web server. This object has capability to show the web pages code on the browser. Add the url in the prefixes property and start the listener.

# start basic web server
$htmlListener = New-Object System.Net.HttpListener
$htmlListener.Prefixes.Add($url)
$htmlListener.Start()

Next process is the receive html request and get the response from server.

# process html request
$httpContext = $htmlListener.GetContext()
$httpResponse = $httpContext.Response

Next convert html code to UTF8 and write it on the http response output stream. You can put while loop here for continuous serving web pages.

# show the HTML code/page to the caller
$buffer = [Text.Encoding]::UTF8.GetBytes($htmlCode)
$httpResponse.ContentLength64 = $buffer.length
$httpResponse.OutputStream.Write($buffer, 0, $buffer.length)

Once you hit the url in the browser, this listener is stopped automatically if you don't use while loop in above code.

#close and stop http response and listener
$httpResponse.Close()
$htmlListener.Stop()

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