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Tranga/Tranga/Server.cs

75 lines
2.6 KiB
C#

using System.Net;
using System.Runtime.InteropServices;
using System.Text;
using Newtonsoft.Json;
namespace Tranga;
public class Server : GlobalBase
{
private readonly HttpListener _listener = new ();
private readonly Tranga _parent;
public Server(Tranga parent) : base(parent)
{
this._parent = parent;
if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
this._listener.Prefixes.Add($"http://*:{settings.apiPortNumber}/");
else
this._listener.Prefixes.Add($"http://localhost:{settings.apiPortNumber}/");
Thread t = new (Listen);
t.Start();
}
private void Listen()
{
this._listener.Start();
foreach(string prefix in this._listener.Prefixes)
Log($"Listening on {prefix}");
while (this._listener.IsListening && _parent.keepRunning)
{
HttpListenerContext context = this._listener.GetContextAsync().Result;
Log($"{context.Request.HttpMethod} {context.Request.Url} {context.Request.UserAgent}");
Task t = new(() =>
{
if(context.Request.HttpMethod == "OPTIONS")
SendResponse(HttpStatusCode.OK, context.Response);
else
HandleRequest(context);
});
t.Start();
}
}
private void HandleRequest(HttpListenerContext context)
{
HttpListenerRequest request = context.Request;
HttpListenerResponse response = context.Response;
if(request.Url!.LocalPath.Contains("favicon"))
SendResponse(HttpStatusCode.NoContent, response);
SendResponse(HttpStatusCode.NotFound, response);
}
private void SendResponse(HttpStatusCode statusCode, HttpListenerResponse response, object? content = null)
{
//logger?.WriteLine(this.GetType().ToString(), $"Sending response: {statusCode}");
response.StatusCode = (int)statusCode;
response.AddHeader("Access-Control-Allow-Headers", "Content-Type, Accept, X-Requested-With");
response.AddHeader("Access-Control-Allow-Methods", "GET, POST, DELETE");
response.AddHeader("Access-Control-Max-Age", "1728000");
response.AppendHeader("Access-Control-Allow-Origin", "*");
response.ContentType = "application/json";
try
{
response.OutputStream.Write(content is not null
? Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(content))
: Array.Empty<byte>());
response.OutputStream.Close();
}
catch (HttpListenerException)
{
}
}
}