public void ReadFrom(ref SpanBufferReader bufferReader)
{
UserId = bufferReader.ReadString();
UserName = bufferReader.ReadString();
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
Configuration = new GameplayServerConfiguration();
Configuration.ReadFrom(ref bufferReader);
Secret = bufferReader.ReadString();
}
public void ReadFrom(ref SpanBufferReader bufferReader)
{
UserId = bufferReader.ReadString();
UserName = bufferReader.ReadString();
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
Secret = bufferReader.ReadString();
Code = bufferReader.ReadString();
Password = bufferReader.ReadString();
UseRelay = bufferReader.ReadBool();
}
public override void ReadFrom(ref SpanBufferReader bufferReader)
{
UserId = bufferReader.ReadString();
UserName = bufferReader.ReadString();
RemoteEndPoint = bufferReader.ReadIPEndPoint();
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
var flags = bufferReader.ReadByte();
IsConnectionOwner = (flags & 1) > 0;
IsDedicatedServer = (flags & 2) > 0;
}
/// <inheritdoc cref="IEncryptedMessageReader.ReadFrom"/>
public IEncryptedMessage ReadFrom(ref SpanBufferReader bufferReader, byte[] key, HMAC hmac, byte?packetProperty)
{
var sequenceId = bufferReader.ReadUInt32();
var iv = bufferReader.ReadBytes(16).ToArray();
var decryptedBuffer = bufferReader.RemainingData.ToArray();
using (var cryptoTransform = _aesCryptoServiceProvider.CreateDecryptor(key, iv))
{
var bytesWritten = 0;
for (var i = decryptedBuffer.Length; i >= cryptoTransform.InputBlockSize; i -= bytesWritten)
{
var inputCount = cryptoTransform.CanTransformMultipleBlocks
? (i / cryptoTransform.InputBlockSize * cryptoTransform.InputBlockSize)
: cryptoTransform.InputBlockSize;
bytesWritten = cryptoTransform.TransformBlock(
decryptedBuffer, bytesWritten, inputCount,
decryptedBuffer, bytesWritten
);
}
}
var paddingByteCount = decryptedBuffer[decryptedBuffer.Length - 1] + 1;
var hmacStart = decryptedBuffer.Length - paddingByteCount - 10;
var decryptedBufferSpan = decryptedBuffer.AsSpan();
var hash = decryptedBufferSpan.Slice(hmacStart, 10);
var hashBufferWriter = new SpanBufferWriter(stackalloc byte[decryptedBuffer.Length + 4]);
hashBufferWriter.WriteBytes(decryptedBufferSpan.Slice(0, hmacStart));
hashBufferWriter.WriteUInt32(sequenceId);
Span <byte> computedHash = stackalloc byte[32];
if (!hmac.TryComputeHash(hashBufferWriter.Data, computedHash, out _))
{
throw new Exception("Failed to compute message hash.");
}
if (!hash.SequenceEqual(computedHash.Slice(0, 10)))
{
throw new Exception("Message hash does not match the computed hash.");
}
bufferReader = new SpanBufferReader(decryptedBuffer);
if (_messageReader.ReadFrom(ref bufferReader, packetProperty) is not IEncryptedMessage message)
{
throw new Exception(
"Successfully decrypted message but failed to cast to type " +
$"'{nameof(IEncryptedMessage)}'."
);
}
message.SequenceId = sequenceId;
return(message);
}
public override void ReadFrom(ref SpanBufferReader bufferReader)
{
MultipartMessageId = bufferReader.ReadUInt32();
Offset = bufferReader.ReadVarUInt();
Length = bufferReader.ReadVarUInt();
TotalLength = bufferReader.ReadVarUInt();
if (Length > _maximumLength)
{
throw new InvalidDataContractException($"Length must not surpass {_maximumLength} bytes");
}
if (TotalLength > _maximumTotalLength)
{
throw new InvalidDataContractException($"Length must not surpass {_maximumTotalLength} bytes");
}
Data = bufferReader.ReadBytes((int)Length).ToArray();
}
public void ReadFrom(ref SpanBufferReader bufferReader)
{
ServerName = bufferReader.ReadString();
UserId = bufferReader.ReadString();
UserName = bufferReader.ReadString();
Secret = bufferReader.ReadString();
Password = bufferReader.ReadString();
CurrentPlayerCount = bufferReader.ReadVarInt();
MaximumPlayerCount = bufferReader.ReadVarInt();
DiscoveryPolicy = (DiscoveryPolicy)bufferReader.ReadByte();
InvitePolicy = (InvitePolicy)bufferReader.ReadByte();
Configuration = new GameplayServerConfiguration();
Configuration.ReadFrom(ref bufferReader);
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
}
public override void ReadFrom(ref SpanBufferReader bufferReader)
{
Result = (ResultCode)bufferReader.ReadUInt8();
if (!Success)
{
return;
}
UserId = bufferReader.ReadString();
UserName = bufferReader.ReadString();
Secret = bufferReader.ReadString();
DiscoveryPolicy = (DiscoveryPolicy)bufferReader.ReadByte();
InvitePolicy = (InvitePolicy)bufferReader.ReadByte();
MaximumPlayerCount = bufferReader.ReadVarInt();
Configuration = new GameplayServerConfiguration();
Configuration.ReadFrom(ref bufferReader);
var flags = bufferReader.ReadByte();
IsConnectionOwner = (flags & 1) > 0;
IsDedicatedServer = (flags & 2) > 0;
RemoteEndPoint = bufferReader.ReadIPEndPoint();
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
}
public override void ReadFrom(ref SpanBufferReader bufferReader)
{
Random = bufferReader.ReadBytes(32).ToArray();
PublicKey = bufferReader.ReadVarBytes().ToArray();
Signature = bufferReader.ReadVarBytes().ToArray();
}
public override void ReadFrom(ref SpanBufferReader bufferReader)
{
Random = bufferReader.ReadBytes(32).ToArray();
}
public void ReadFrom(ref SpanBufferReader bufferReader)
{
CertificateResponseId = bufferReader.ReadUInt32();
Random = bufferReader.ReadBytes(32).ToArray();
Cookie = bufferReader.ReadBytes(32).ToArray();
}
public void ReadFrom(ref SpanBufferReader bufferReader)
{
Cookie = bufferReader.ReadBytes(32).ToArray();
}
