public WebAPIContext(WebAPIClient client, WebAPIMethod method, string uri) { Client = client; Method = method; Uri = uri; Request = new WebAPIRequest(Client); Response = new WebAPIResponse(Client); }
public WebAPIRequest(WebAPIClient client) { Client = client; Headers = new WebAPIHeaders(); Queries = new WebAPIQueries(); ContentType = FileMime.Default; Encoding = Encoding.UTF8; Data = String.Empty; Length = 0; }
public WebAPIResponse(WebAPIClient client) { Client = client; Headers = new WebAPIHeaders(); Compress = false; FreeData = true; Cache = -1; FileName = String.Empty; Encoding = Encoding.UTF8; Status = HttpStatusCode.OK; ContentType = FileMime.Default; }
public static void Disconnect(WebAPIClient client) { VitaNexCore.TryCatch( () => { lock (Clients) { if (!Clients.Remove(client)) { return; } } if (!client.IsDisposed) { var addr = client.Client.Client.RemoteEndPoint; if (ClientDisconnected != null) { ClientDisconnected(client); } client.Close(true); CSOptions.ToConsole("[{0}] Client Disconnected: {1}", Clients.Count, addr); } }, e => { CSOptions.ToConsole(e); lock (Clients) { Clients.Remove(client); } client.Close(true); }); }
public static void Connect(WebAPIClient client) { VitaNexCore.TryCatch( () => { lock (Clients) { if (Clients.Contains(client)) { return; } Clients.Add(client); } CSOptions.ToConsole("[{0}] Client Connected: {1}", Clients.Count, client.Client.Client.RemoteEndPoint); if (ClientConnected != null) { ClientConnected(client); } if (!client.IsDisposed && client.Connected) { ClientUtility.HandleConnection(client); } else { Disconnect(client); } }, e => { CSOptions.ToConsole(e); Disconnect(client); }); }
public static bool HandleConnection(WebAPIClient client) { using (client) { KeyValueString[] headers; if (!client.ReceiveHeaders(out headers)) { return(false); } var m = headers[0].Key; if (String.IsNullOrWhiteSpace(m)) { return(false); } WebAPIMethod method; if (!Enum.TryParse(m, out method)) { return(false); } var u = headers[0].Value; var i = u.LastIndexOf(' '); if (i > -1) { u = u.Substring(0, i); } u = HttpUtility.UrlDecode(u); if (String.IsNullOrWhiteSpace(u)) { u = "/"; } using (var context = new WebAPIContext(client, method, u)) { foreach (var h in headers.Skip(1)) { context.Request.Headers[h.Key] = h.Value; } foreach (var q in DecodeQuery(u)) { context.Request.Queries[q.Key] = q.Value; } if (!String.IsNullOrWhiteSpace(context.Request.Headers["Content-Type"])) { context.Request.ContentType = context.Request.Headers["Content-Type"]; } var length = 0; if (!String.IsNullOrWhiteSpace(context.Request.Headers["Content-Length"])) { Int32.TryParse(context.Request.Headers["Content-Length"], out length); } if (Insensitive.Contains(context.Request.Headers["Accept-Encoding"], "deflate")) { context.Response.Compress = true; } var encoding = Encoding.UTF8; if (!String.IsNullOrWhiteSpace(context.Request.Headers["Accept-Charset"])) { var h = context.Request.Headers["Accept-Charset"].Trim(); if (h.Contains(',')) { foreach (var e in h.Split(',')) { try { encoding = Encoding.GetEncoding(e.Trim()); } catch { encoding = Encoding.UTF8; } } } else { try { encoding = Encoding.GetEncoding(h); } catch { encoding = Encoding.UTF8; } } } context.Request.Encoding = context.Response.Encoding = encoding; context.Response.Headers["Date"] = DateTime.UtcNow.ToSimpleString("D, d M y t@h:m:s@") + " GMT"; context.Response.Headers["Server"] = String.Format( "Vita-Nex: Core/{0} [{1}/{2}] ({3})", VitaNexCore.Version, CSOptions.ServiceName, CSOptions.ServiceVersion, ServerList.ServerName); if (!context.Method.AnyFlags(WebAPIMethod.OPTIONS, WebAPIMethod.GET, WebAPIMethod.POST)) { context.Response.Headers["Allow"] = "OPTIONS, GET, POST"; context.Response.Headers["Connection"] = "close"; client.Send(false, "HTTP/1.1 405 Method Not Allowed\r\n" + context.Response.Headers, Encoding.ASCII); return(true); } if (context.Method == WebAPIMethod.OPTIONS) { if (!String.IsNullOrWhiteSpace(context.Request.Headers["Origin"])) { context.Response.Headers["Access-Control-Allow-Methods"] = "POST, GET, OPTIONS"; context.Response.Headers["Access-Control-Allow-Headers"] = "Origin, X-Requested-With, Content-Type, Accept"; context.Response.Headers["Access-Control-Allow-Origin"] = context.Request.Headers["Origin"]; } context.Response.Headers["Vary"] = "Accept-Encoding"; context.Response.Headers["Keep-Alive"] = "timeout=2, max=120"; context.Response.Headers["Connection"] = "keep-alive"; client.Send(false, "HTTP/1.1 200 OK\r\n" + context.Response.Headers, Encoding.ASCII); return(true); } if (length > CSOptions.MaxReceiveBufferSizeBytes) { context.Response.Headers["Connection"] = "close"; client.Send(false, "HTTP/1.1 413 Request Entity Too Large\r\n" + context.Response.Headers, Encoding.ASCII); return(true); } WebAPIHandler handler; var key = u.Trim(); var idx = u.IndexOf('?'); if (idx > 0) { key = u.Substring(0, idx); } if (key.Length > 1) { key = key.TrimEnd('/'); } if (!Handlers.TryGetValue(key, out handler) || handler == null) { key = "/"; } byte[] buffer; if (handler != null || (Handlers.TryGetValue(key, out handler) && handler != null)) { try { if (length > 0) { string data; client.Receive(false, context.Request.Encoding, out data, out buffer, out length); context.Request.Data = data; context.Request.Length = length; } handler.Handler(context); } catch (Exception e) { CSOptions.ToConsole(e); if (e is InternalBufferOverflowException) { context.Response.Status = HttpStatusCode.RequestEntityTooLarge; } else { context.Response.Status = HttpStatusCode.InternalServerError; } } } else { context.Response.Status = HttpStatusCode.NotFound; } if (ContextHandler != null) { ContextHandler(context); } string status; if ((int)context.Response.Status >= 400) { context.Response.Headers["Connection"] = "close"; status = String.Format("{0} {1}", (int)context.Response.Status, context.Response.Status.ToString().SpaceWords()); client.Send(false, "HTTP/1.1 " + status + "\r\n" + context.Response.Headers, Encoding.ASCII); return(true); } var encoded = false; var compressed = false; try { GetResponseBuffer(context, out buffer, out length, out encoded); if (length > 0 && context.Response.Compress) { client.Compress(ref buffer, ref length); compressed = true; } } catch (Exception e) { CSOptions.ToConsole(e); buffer = _EmptyBuffer; length = 0; if (e is InternalBufferOverflowException) { context.Response.Status = HttpStatusCode.RequestEntityTooLarge; } else { context.Response.Status = HttpStatusCode.InternalServerError; } } if (!String.IsNullOrWhiteSpace(context.Request.Headers["Origin"])) { context.Response.Headers["Access-Control-Allow-Origin"] = context.Request.Headers["Origin"]; } if (String.IsNullOrWhiteSpace(context.Response.Headers["Vary"])) { context.Response.Headers["Vary"] = "Accept-Encoding"; } if (length > 0) { if (compressed) { context.Response.Headers["Content-Encoding"] = "deflate"; } if (context.Response.ContentType.IsDefault && !String.IsNullOrWhiteSpace(context.Response.FileName)) { var mime = FileMime.Lookup(context.Response.FileName); if (!mime.IsDefault && mime != context.Response.ContentType) { context.Response.ContentType = mime; } } var contentType = context.Response.ContentType.MimeType; if (encoded) { contentType = String.Format("{0}; charset={1}", contentType, context.Response.Encoding.WebName); } context.Response.Headers["Content-Type"] = contentType; context.Response.Headers["Content-Length"] = length.ToString(); if (!String.IsNullOrWhiteSpace(context.Response.FileName)) { var inline = context.Response.ContentType.IsCommonText() || context.Response.ContentType.IsCommonImage(); var disp = inline ? "inline" : "attachment"; disp = String.Format("{0}; filename=\"{1}\"", disp, context.Response.FileName); context.Response.Headers["Content-Disposition"] = disp; } } if (context.Response.Cache < 0) { context.Response.Headers["Pragma"] = "no-cache"; context.Response.Headers["Cache-Control"] = "no-cache, no-store"; } else if (context.Response.Cache > 0) { context.Response.Headers["Cache-Control"] = "max-age=" + context.Response.Cache; } if (String.IsNullOrWhiteSpace(context.Response.Headers["Connection"])) { context.Response.Headers["Connection"] = "close"; } status = String.Format("{0} {1}", (int)context.Response.Status, context.Response.Status.ToString().SpaceWords()); client.Send(false, "HTTP/1.1 " + status + "\r\n" + context.Response.Headers, Encoding.ASCII); if (buffer.Length > 0 && length > 0) { client.Send(false, ref buffer, ref length); } } } return(true); }