NinjaOne

1.0.0

OAuthListener/Program.cs

                                using System;

using System.Threading;

using System.Threading.Tasks;

using Microsoft.AspNetCore;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Connections;

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.Hosting;

using Microsoft.Extensions.Logging;

namespace OAuthListener

{

    class Program

    {

        static readonly CancellationTokenSource _cts = new();

        static Task Main(string[] args) => 

        WebHost.CreateDefaultBuilder()

        // Prevent status messages being written to stdout

        .SuppressStatusMessages(true)

        // Disable all logging to stdout

        .ConfigureLogging(config => config.ClearProviders())

        // Listen on the port passed to the process.

        .UseKestrel(options => options.ListenLocalhost(int.Parse(args[0])))

        .Configure(app => app.Run(async context =>

        {

            var message = "ERROR: Unable to retrieve authorisation code.";

            if (context.Request.Query.TryGetValue("code", out var code))

            {

                // We received an authorisation code, output it to stdout.

                Console.WriteLine(code);

                message = "Authentication is complete. You can now close the window/tab.";

            }

            await context.Response.WriteAsync(message);

            // Invalidate the cancellation token so the server stops.

            _cts.Cancel();

        })

        )

        .Build()

        // Run asynchronously using the cancellation token to signal when the process should end.

        // This will be awaited by the .NETramework and the process will end when the cancellation token is invalidated.

        .RunAsync(_cts.Token);

    }

}