/// <summary>
/// Decodes the machine information straight from login.
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public static MachineInformation Decode(IByteBuffer buffer)
{
buffer.ReadByte();
int architecture = buffer.ReadByte();
bool x64 = buffer.ReadBoolean();
int build = buffer.ReadByte();
int vendor = buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
buffer.ReadByte();
IByteBufferExtensions.ReadString(buffer);
IByteBufferExtensions.ReadString(buffer);
IByteBufferExtensions.ReadString(buffer);
IByteBufferExtensions.ReadString(buffer);
buffer.ReadByte();
buffer.ReadUnsignedShort();
IByteBufferExtensions.ReadString(buffer);
IByteBufferExtensions.ReadString(buffer);
buffer.ReadByte();
buffer.ReadByte();
return(new MachineInformation(architecture, x64, build, vendor));
}
/// <summary>
/// Decodes the login.
/// </summary>
/// <param name="context"></param>
/// <param name="input"></param>
/// <param name="output"></param>
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
if (!input.IsReadable())
{
return;
}
LoginType type = Login.GetLoginType(input.ReadByte());
if (type == LoginType.NONE)
{
return;
}
int size = input.ReadUnsignedShort();
if (size != input.ReadableBytes)
{
return;
}
int version = input.ReadInt();
int id = input.ReadByte();//RSA is disabled.
if (id != 1)
{
return;
}
input.ReadByte();
int[] clientKeys = new int[4];
for (int index = 0; index < clientKeys.Length; index++)
{
clientKeys[index] = input.ReadInt();
}
input.SkipBytes(8);
string password = IByteBufferExtensions.ReadString(input);
IByteBuffer buffer = IByteBufferExtensions.DecipherWithXTEA(input, clientKeys);
string username = IByteBufferExtensions.ReadString(buffer);
buffer.ReadByte();
buffer.ReadUnsignedShort();
buffer.ReadUnsignedShort();
buffer.SkipBytes(24);
string token = IByteBufferExtensions.ReadString(buffer);
buffer.ReadInt();
var machineInformation = MachineInformation.Decode(buffer);
buffer.ReadInt();
buffer.ReadInt();
buffer.ReadInt();
buffer.ReadInt();
buffer.ReadByte();
int[] crc = new int[CacheManager.GetCache().GetTypeCount()];
for (int index = 0; index < crc.Length; index++)
{
crc[index] = buffer.ReadInt();
}
int[] serverKeys = new int[4];
for (int index = 0; index < serverKeys.Length; index++)
{
serverKeys[index] = clientKeys[index] + 50;
}
var decoder = new Rand(clientKeys);
var encoder = new Rand(serverKeys);
var isaacGroup = new IsaacRandGroup(decoder, encoder);
output.Add(new LoginRequest(version, username, password, token, crc, isaacGroup, machineInformation));
}
/// <summary>
/// Gets a string from the buffer.
/// </summary>
/// <returns></returns>
public string GetString()
{
CheckByteAccess();
return(IByteBufferExtensions.ReadString(buffer));
}
