✨ http-commands

2023-04-13 20:42:05 +04:00
parent 24c9aa2043
commit e1a9ad476c
31 changed files with 428 additions and 104 deletions
@@ -0,0 +1,97 @@
+using NLog;
+using System.Net;
+using System.Text.Json;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Ragon.Server.IO;
+using Ragon.Server.Plugin;
+
+namespace Ragon.Server.Http;
+
+public class RagonHttpServer
+{
+  private readonly ILogger _logger = LogManager.GetCurrentClassLogger();
+  private readonly IExecutor _executor;
+  private readonly IServerPlugin _serverPlugin;
+  private HttpListener _httpListener;
+  private CancellationTokenSource _cancellationTokenSource;
+
+  public RagonHttpServer(IExecutor executor, IServerPlugin serverPlugin)
+  {
+    _serverPlugin = serverPlugin;
+    _executor = executor;
+  }
+
+  public async void StartAccept(CancellationToken cancellationToken)
+  {
+    while (!cancellationToken.IsCancellationRequested)
+    {
+      var context = await _httpListener.GetContextAsync();
+
+      if (context.Request.HttpMethod != "POST")
+      {
+        context.Response.StatusCode = 404;
+        context.Response.ContentLength64 = 0;
+        context.Response.Close();
+      }
+
+      var request = context.Request;
+      var reader = new StreamReader(request.InputStream, request.ContentEncoding);
+      var rawJson = await reader.ReadToEndAsync();
+      var httpCommand = JsonDocument.Parse(rawJson);
+      if (httpCommand != null)
+      {
+        try
+        {
+          var command = httpCommand.RootElement.GetProperty("command");
+          var payload = httpCommand.RootElement.GetProperty("payload");
+
+          if (_serverPlugin.OnCommand(command.GetString() ?? "none", payload.GetRawText()))
+          {
+            context.Response.StatusCode = 200;
+            context.Response.ContentLength64 = 0;
+            context.Response.Close(); 
+          }
+          else
+          {
+            context.Response.StatusCode = 403;
+            context.Response.ContentLength64 = 0;
+            context.Response.Close();
+          }
+        }
+        catch (Exception ex)
+        {
+          _logger.Error(ex);
+          
+          context.Response.StatusCode = 505;
+          context.Response.ContentLength64 = 0;
+          context.Response.Close();
+        }
+        
+        continue;
+      }
+
+      context.Response.StatusCode = 403;
+      context.Response.ContentLength64 = 0;
+      context.Response.Close();
+    }
+  }
+
+  public void Start(Configuration configuration)
+  {
+    _cancellationTokenSource = new CancellationTokenSource();
+    _logger.Info($"Listen at http://0.0.0.0:{configuration.HttpPort}/");
+
+    _httpListener = new HttpListener();
+    _httpListener.Prefixes.Add($"http://127.0.0.1:{configuration.HttpPort}/");
+    _httpListener.Start();
+
+    _executor.Run(() => StartAccept(_cancellationTokenSource.Token), TaskCreationOptions.LongRunning);
+  }
+
+  public void Stop()
+  {
+    _cancellationTokenSource.Cancel();
+    _httpListener.Stop();
+  }
+}