public async Task <bool> ConnectAsync() { bool ok = await _connection.ConnectAsync(); if (ok) { CultureInfo ci = CultureInfo.CurrentCulture; RegionInfo ri = RegionInfo.CurrentRegion; TimeSpan ts = DateTime.UtcNow - DateTime.Now; ((IChatConnectionEventSource)this).OnConnected(); await _connection.SendAsync(new byte[] { 1 }); BncsPacket pck = new BncsPacket(BncsPacketId.AuthInfo, _storage.Acquire()); pck.InsertInt32(0); pck.InsertDwordString("IX86"); pck.InsertDwordString(_settings.Client.ProductCode); pck.InsertInt32(_settings.VersionByte); pck.InsertDwordString(ci.TwoLetterISOLanguageName + ri.TwoLetterISORegionName); pck.InsertByteArray(_connection.LocalEP.Address.GetAddressBytes()); pck.InsertInt32((int)ts.TotalMinutes); pck.InsertInt32(ci.LCID); pck.InsertInt32(ci.LCID); pck.InsertCString(ri.ThreeLetterISORegionName, Encoding.UTF8); pck.InsertCString(ri.DisplayName, Encoding.UTF8); await pck.SendAsync(_connection); if (_settings.PingMethod == PingKind.ZeroMs) { pck = new BncsPacket(BncsPacketId.Ping, _storage.Acquire()); pck.InsertInt32(new Random().Next()); await pck.SendAsync(_connection); } Listen(); } return(ok); }
public override async Task ExecuteRequest() { using (AsyncConnectionBase connection = new AsyncConnectionBase(Gateway.ServerHost, Gateway.ServerPort, 0, 0)) { byte[] fileNameBytes = Encoding.UTF8.GetBytes(FileName); DataBuffer buf = new DataBuffer(); buf.InsertInt16(20); // Length buf.InsertInt16(0x0200); // Protocol version buf.InsertDwordString("IX86"); buf.InsertDwordString(Product.ProductCode); if (_ad) { buf.InsertInt32(_adId); buf.InsertDwordString(_adExt); } else { buf.InsertInt64(0); } bool connected = await connection.ConnectAsync(); if (!connected) { throw new IOException("Battle.net refused the connection."); } await connection.SendAsync(new byte[] { 2 }); byte[] outgoingData = buf.UnderlyingStream.ToArray(); await connection.SendAsync(outgoingData); byte[] incomingData = new byte[4]; incomingData = await connection.ReceiveAsync(incomingData, 0, 4); if (incomingData == null) { throw new IOException("Battle.net rejected the request."); } int serverToken = BitConverter.ToInt32(incomingData, 0); buf = new DataBuffer(); buf.InsertInt32(0); // No resuming if (FileTime.HasValue) { buf.InsertInt64(FileTime.Value.ToFileTimeUtc()); } else { buf.InsertInt64(0); } int clientToken = new Random().Next(); buf.InsertInt32(clientToken); buf.InsertInt32(_key.Key.Length); buf.InsertInt32(_key.Product); buf.InsertInt32(_key.Value1); buf.InsertInt32(0); buf.InsertByteArray(_key.GetHash(clientToken, serverToken)); buf.InsertByteArray(fileNameBytes); buf.InsertByte(0); outgoingData = buf.UnderlyingStream.ToArray(); await connection.SendAsync(outgoingData); incomingData = new byte[8]; incomingData = await connection.ReceiveAsync(incomingData, 0, 8); if (incomingData == null) { throw new IOException("Battle.net rejected the file request."); } int remainingHeaderSize = BitConverter.ToInt32(incomingData, 0) - 8; int fileSize = BitConverter.ToInt32(incomingData, 4); this.FileSize = fileSize; incomingData = new byte[remainingHeaderSize]; incomingData = await connection.ReceiveAsync(incomingData, 0, remainingHeaderSize); if (incomingData == null) { throw new IOException("Battle.net did not send a complete file header."); } DataReader reader = new DataReader(incomingData); reader.Seek(8); // banner id / extension long fileTime = reader.ReadInt64(); string name = reader.ReadCString(); if (string.Compare(name, FileName, StringComparison.OrdinalIgnoreCase) != 0 || FileSize == 0) { throw new FileNotFoundException("The specified file was not found by Battle.net."); } incomingData = new byte[fileSize]; incomingData = await connection.ReceiveAsync(incomingData, 0, fileSize); if (incomingData == null) { throw new IOException("Battle.net did not send the file data."); } File.WriteAllBytes(LocalFileName, incomingData); DateTime time = DateTime.FromFileTimeUtc(fileTime); File.SetLastWriteTimeUtc(LocalFileName, time); } }
/// <summary> /// Executes the BnFTP request, downloading the file to where <see cref="BnFtpRequestBase.LocalFileName">LocalFileName</see> /// specifies, and closes the connection. /// </summary> /// <remarks> /// <para>By default, <c>LocalFileName</c> is the same name as the remote file, which will cause the file /// to be saved in the local application path. The desired location of the file must be set before /// <b>ExecuteRequest</b> is called.</para> /// </remarks> /// <exception cref="IOException">Thrown if the local file cannot be written.</exception> /// <exception cref="SocketException">Thrown if the remote host closes the connection prematurely.</exception> public override async Task ExecuteRequest() { using (AsyncConnectionBase connection = new AsyncConnectionBase(Gateway.ServerHost, Gateway.ServerPort, 0, 0)) { byte[] fileNameBytes = Encoding.UTF8.GetBytes(FileName); DataBuffer buffer = new DataBuffer(); buffer.InsertInt16((short)(33 + fileNameBytes.Length)); buffer.InsertInt16(0x0100); buffer.InsertDwordString("IX86"); buffer.InsertDwordString(Product.ProductCode); if (_ad) { buffer.InsertInt32(_adId); buffer.InsertDwordString(_adExt); } else { buffer.InsertInt64(0); } // currently resuming is not supported buffer.InsertInt32(0); if (FileTime.HasValue) { buffer.InsertInt64(FileTime.Value.ToFileTimeUtc()); } else { buffer.InsertInt64(0); } buffer.InsertByteArray(fileNameBytes); buffer.InsertByte(0); bool connected = await connection.ConnectAsync(); if (!connected) { throw new IOException("Battle.net refused the connection to FTP."); } await connection.SendAsync(new byte[] { 2 }); byte[] byteData = buffer.UnderlyingStream.ToArray(); await connection.SendAsync(byteData); byte[] header = new byte[8]; header = await connection.ReceiveAsync(header, 0, 8); if (header == null) { throw new IOException("Battle.net did not respond to the FTP request."); } DataReader headerReader = new DataReader(header); ushort headerLength = headerReader.ReadUInt16(); headerReader.Seek(2); int fileSize = headerReader.ReadInt32(); this.FileSize = fileSize; byte[] remainingHeader = new byte[headerLength - 8]; remainingHeader = await connection.ReceiveAsync(remainingHeader, 0, headerLength - 8); if (remainingHeader == null) { throw new IOException("Battle.net did not send the complete header."); } headerReader = new DataReader(remainingHeader); headerReader.Seek(8); long fileTime = headerReader.ReadInt64(); string name = headerReader.ReadCString(); if (string.Compare(name, FileName, StringComparison.OrdinalIgnoreCase) != 0 || FileSize == 0) { throw new FileNotFoundException("The specified file was not found by Battle.net."); } Debug.WriteLine(fileSize, "File Size"); byte[] fileData = new byte[fileSize]; fileData = await connection.ReceiveAsync(fileData, 0, fileSize); if (fileData == null) { throw new IOException("Battle.net did not send the file data."); } File.WriteAllBytes(LocalFileName, fileData); DateTime time = DateTime.FromFileTimeUtc(fileTime); File.SetLastWriteTimeUtc(LocalFileName, time); } }