public static ChunkColumn DecocedChunkColumn(byte[] buffer)
{
return null;
MemoryStream stream = new MemoryStream(buffer);
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
ChunkColumn chunk = new ChunkColumn();
chunk.x = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
chunk.z = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
int chunkSize = 16*16*128;
defStream.Read(chunk.blocks, 0, chunkSize);
defStream.Read(chunk.metadata.Data, 0, chunkSize/2);
defStream.Read(chunk.skylight.Data, 0, chunkSize/2);
defStream.Read(chunk.blocklight.Data, 0, chunkSize/2);
defStream.Read(chunk.height, 0, 256);
byte[] ints = new byte[256*4];
defStream.Read(ints, 0, ints.Length);
int j = 0;
for (int i = 0; i < ints.Length; i = i + 4)
{
chunk.biomeColor[j++] = BitConverter.ToInt32(new[] {ints[i], ints[i + 1], ints[i + 2], ints[i + 3]}, 0);
}
return chunk;
}
}
static string GetRootNameInternal([NotNull] Stream stream, bool bigEndian)
{
Debug.Assert(stream != null);
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
else if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, bigEndian);
return(reader.ReadString());
}
private void OnBatch(Package message)
{
McpeBatch batch = (McpeBatch)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = new MemoryStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
do
{
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
var package = PackageFactory.CreatePackage(internalBuffer[0], internalBuffer) ?? new UnknownPackage(internalBuffer[0], internalBuffer);
messages.Add(package);
if (!(package is McpeFullChunkData))
{
Log.Debug($"Batch: {package.GetType().Name} 0x{package.Id:x2} \n{Package.HexDump(internalBuffer)}");
}
} while (destination.Position < destination.Length);
}
foreach (var msg in messages)
{
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg);
msg.PutPool();
}
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
int length = readStream.ReadInt32();
if (length < 0)
{
throw new NbtFormatException("Negative length given in TAG_Byte_Array");
}
if (readStream.Selector != null && !readStream.Selector(this))
{
readStream.Skip(length);
return false;
}
Value = readStream.ReadBytes(length);
if (Value.Length < length)
{
throw new EndOfStreamException();
}
return true;
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
int length = readStream.ReadInt32();
if (length < 0)
{
throw new NbtFormatException("Negative length given in TAG_Int_Array");
}
if (readStream.Selector != null && !readStream.Selector(this))
{
readStream.Skip(length * sizeof(int));
return(false);
}
Value = new int[length];
for (int i = 0; i < length; i++)
{
Value[i] = readStream.ReadInt32();
}
return(true);
}
private List <Package> HandleBatch(McpeWrapper batch)
{
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
Console.WriteLine("Package:\n" + Package.HexDump(payload));
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = new MemoryStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
Console.WriteLine($"Package [len={len}:\n" + Package.HexDump(internalBuffer));
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer, "mcpe") ?? new UnknownPackage(internalBuffer[0], internalBuffer));
if (destination.Length > destination.Position)
{
throw new Exception("Have more data");
}
}
return(messages);
}
void LoadFromStreamInternal([NotNull] Stream stream, [CanBeNull] TagSelector tagSelector)
{
// Make sure the first byte in this file is the tag for a TAG_Compound
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, BigEndian)
{
Selector = tagSelector
};
var rootCompound = new NbtCompound(reader.ReadString());
rootCompound.ReadTag(reader);
RootTag = rootCompound;
}
internal static bool ReadTag(this NbtTag tag, NbtBinaryReader readStream)
{
while (true)
{
NbtTag nbtTag;
do
{
NbtTagType nbtTagType = readStream.ReadTagType();
switch (nbtTagType)
{
case NbtTagType.End:
return(true);
case NbtTagType.Byte:
nbtTag = (NbtTag) new NbtByte();
break;
case NbtTagType.Short:
nbtTag = (NbtTag) new NbtShort();
break;
case NbtTagType.Int:
nbtTag = (NbtTag) new NbtInt();
break;
case NbtTagType.Long:
nbtTag = (NbtTag) new NbtLong();
break;
case NbtTagType.Float:
nbtTag = (NbtTag) new NbtFloat();
break;
case NbtTagType.Double:
nbtTag = (NbtTag) new NbtDouble();
break;
case NbtTagType.ByteArray:
nbtTag = (NbtTag) new NbtByteArray();
break;
case NbtTagType.String:
nbtTag = (NbtTag) new NbtString();
break;
case NbtTagType.List:
nbtTag = (NbtTag) new NbtList();
break;
case NbtTagType.Compound:
nbtTag = (NbtTag) new NbtCompound();
break;
case NbtTagType.IntArray:
nbtTag = (NbtTag) new NbtIntArray();
break;
case NbtTagType.LongArray:
nbtTag = (NbtTag) new NbtLongArray();
break;
case NbtTagType.Unknown:
return(true);
break;
default:
throw new FormatException("Unsupported tag type found in NBT_Compound: " + (object)nbtTagType);
}
//nbtTag.Parent = (NbtTag) this;
nbtTag.Name = readStream.ReadString();
}while (!nbtTag.ReadTag(readStream));
switch (tag.TagType)
{
case NbtTagType.Compound:
NbtCompound compound = (NbtCompound)tag;
compound.Add(nbtTag);
break;
case NbtTagType.List:
NbtList list = (NbtList)tag;
list.Add(nbtTag);
break;
}
}
}
internal abstract bool ReadTag([NotNull] NbtBinaryReader readStream);
internal override void SkipTag(NbtBinaryReader readStream)
{
readStream.ReadInt16();
}
internal override void SkipTag(NbtBinaryReader readStream) => readStream.ReadDouble();
internal void HandlePackage(Package message, PlayerNetworkSession playerSession)
{
if (message == null)
{
return;
}
TraceReceive(message);
if (typeof(UnknownPackage) == message.GetType())
{
UnknownPackage packet = (UnknownPackage)message;
Log.Warn($"Received unknown package 0x{message.Id:X2}\n{Package.HexDump(packet.Message)}");
return;
}
if (typeof(McpeBatch) == message.GetType())
{
McpeBatch batch = (McpeBatch)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
//byte[] internalBuffer = destination.ToArray();
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer) ?? new UnknownPackage(internalBuffer[0], internalBuffer));
if (destination.Length > destination.Position)
{
throw new Exception("Have more data");
}
}
foreach (var msg in messages)
{
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg, playerSession);
msg.PutPool();
}
return;
}
Player player = playerSession.Player;
if (player != null)
{
player.HandlePackage(message);
}
}
public static ChunkColumn DecodeChunkColumn(int subChunkCount, byte[] buffer, BlockPalette bedrockPalette = null, HashSet <BlockStateContainer> internalBlockPallet = null)
{
lock (_chunkRead)
{
var stream = new MemoryStream(buffer);
{
var defStream = new NbtBinaryReader(stream, true);
if (subChunkCount < 1)
{
Log.Warn("Nothing to read");
return(null);
}
Log.Debug($"Reading {subChunkCount} sections");
var chunkColumn = new ChunkColumn(false);
for (int chunkIndex = 0; chunkIndex < subChunkCount; chunkIndex++)
{
int version = defStream.ReadByte();
int storageSize = defStream.ReadByte();
var subChunk = chunkColumn[chunkIndex];
for (int storageIndex = 0; storageIndex < storageSize; storageIndex++)
{
int bitsPerBlock = defStream.ReadByte() >> 1;
int blocksPerWord = (int)Math.Floor(32f / bitsPerBlock);
int wordsPerChunk = (int)Math.Ceiling(4096f / blocksPerWord);
Log.Debug($"New section {chunkIndex}, " +
$"version={version}, " +
$"storageSize={storageSize}, " +
$"storageIndex={storageIndex}, " +
$"bitsPerBlock={bitsPerBlock}, " +
$"noBlocksPerWord={blocksPerWord}, " +
$"wordCount={wordsPerChunk}, " +
$"");
long jumpPos = stream.Position;
stream.Seek(wordsPerChunk * 4, SeekOrigin.Current);
int paletteCount = VarInt.ReadSInt32(stream);
var palette = new int[paletteCount];
for (int j = 0; j < paletteCount; j++)
{
int runtimeId = VarInt.ReadSInt32(stream);
if (bedrockPalette == null || internalBlockPallet == null)
{
continue;
}
palette[j] = GetServerRuntimeId(bedrockPalette, internalBlockPallet, runtimeId);
}
long afterPos = stream.Position;
stream.Position = jumpPos;
int position = 0;
for (int w = 0; w < wordsPerChunk; w++)
{
uint word = defStream.ReadUInt32();
for (int block = 0; block < blocksPerWord; block++)
{
if (position >= 4096)
{
continue;
}
uint state = (uint)((word >> ((position % blocksPerWord) * bitsPerBlock)) & ((1 << bitsPerBlock) - 1));
int x = (position >> 8) & 0xF;
int y = position & 0xF;
int z = (position >> 4) & 0xF;
int runtimeId = palette[state];
if (storageIndex == 0)
{
subChunk.SetBlockByRuntimeId(x, y, z, (int)runtimeId);
}
else
{
subChunk.SetLoggedBlockByRuntimeId(x, y, z, (int)runtimeId);
}
position++;
}
}
stream.Position = afterPos;
}
}
if (defStream.Read(chunkColumn.biomeId, 0, 256) != 256)
{
Log.Error($"Out of data biomeId");
}
//Log.Debug($"biomeId:\n{Package.HexDump(chunk.biomeId)}");
//if (stream.Position >= stream.Length - 1) return chunkColumn;
int borderBlock = VarInt.ReadSInt32(stream);
if (borderBlock != 0)
{
byte[] buf = new byte[borderBlock];
int len = defStream.Read(buf, 0, borderBlock);
Log.Warn($"??? Got borderblock {borderBlock}. Read {len} bytes");
Log.Debug($"{Packet.HexDump(buf)}");
for (int i = 0; i < borderBlock; i++)
{
int x = (buf[i] & 0xf0) >> 4;
int z = buf[i] & 0x0f;
Log.Debug($"x={x}, z={z}");
}
}
if (stream.Position < stream.Length - 1)
{
while (stream.Position < stream.Length)
{
NbtFile file = new NbtFile()
{
BigEndian = false,
UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
var blockEntityTag = file.RootTag;
if (blockEntityTag.Name != "alex")
{
int x = blockEntityTag["x"].IntValue;
int y = blockEntityTag["y"].IntValue;
int z = blockEntityTag["z"].IntValue;
chunkColumn.SetBlockEntity(new BlockCoordinates(x, y, z), (NbtCompound)file.RootTag);
Log.Debug($"Blockentity:\n{file.RootTag}");
}
}
}
if (stream.Position < stream.Length - 1)
{
Log.Warn($"Still have data to read\n{Packet.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
}
return(chunkColumn);
}
}
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
int length = readStream.ReadInt32();
if (length < 0)
{
throw new NbtFormatException("Negative length given in TAG_Int_Array");
}
if (readStream.Selector != null && !readStream.Selector(this))
{
readStream.Skip(length * sizeof(int));
return false;
}
Value = new int[length];
for (int i = 0; i < length; i++)
{
Value[i] = readStream.ReadInt32();
}
return true;
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
int length = readStream.ReadInt32();
if (length < 0)
{
throw new NbtFormatException("Negative length given in TAG_Byte_Array");
}
if (readStream.Selector != null && !readStream.Selector(this))
{
readStream.Skip(length);
return false;
}
Value = readStream.ReadBytes(length);
if (Value.Length < length)
{
throw new EndOfStreamException();
}
return true;
}
private void HandleChunk(byte[] chunkData, int cx, int cz, Action <ChunkColumn> callback)
{
MeasureProfiler.StartCollectingData();
var profiler = MiniProfiler.StartNew("BEToJavaColumn");
try
{
using (MemoryStream stream = new MemoryStream(chunkData))
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
int count = defStream.ReadByte();
if (count < 1)
{
Log.Warn("Nothing to read");
return;
}
ChunkColumn chunkColumn = new ChunkColumn();
chunkColumn.IsDirty = true;
chunkColumn.X = cx;
chunkColumn.Z = cz;
for (int s = 0; s < count; s++)
{
var section = chunkColumn.Sections[s] as ChunkSection;
if (section == null)
{
section = new ChunkSection(s, true);
}
int version = defStream.ReadByte();
if (version == 1 || version == 8)
{
int storageSize = defStream.ReadByte();
for (int storage = 0; storage < storageSize; storage++)
{
int paletteAndFlag = defStream.ReadByte();
bool isRuntime = (paletteAndFlag & 1) != 0;
int bitsPerBlock = paletteAndFlag >> 1;
int blocksPerWord = (int)Math.Floor(32f / bitsPerBlock);
int wordCount = (int)Math.Ceiling(4096.0f / blocksPerWord);
uint[] words = new uint[wordCount];
for (int w = 0; w < wordCount; w++)
{
int word = defStream.ReadInt32();
words[w] = SwapBytes((uint)word);
}
uint[] pallete = new uint[0];
if (isRuntime)
{
int palleteSize = VarInt.ReadSInt32(stream);
pallete = new uint[palleteSize];
for (int pi = 0; pi < pallete.Length; pi++)
{
var ui = (uint)VarInt.ReadSInt32(stream);
pallete[pi] = ui;
}
if (palleteSize == 0)
{
Log.Warn($"Pallete size is 0");
continue;
}
}
int position = 0;
for (int w = 0; w < wordCount; w++)
{
uint word = words[w];
for (int block = 0; block < blocksPerWord; block++)
{
if (position >= 4096)
{
break; // padding bytes
}
uint state =
(uint)((word >> ((position % blocksPerWord) * bitsPerBlock)) &
((1 << bitsPerBlock) - 1));
int x = (position >> 8) & 0xF;
int y = position & 0xF;
int z = (position >> 4) & 0xF;
if (storage == 0)
{
if (state >= pallete.Length)
{
continue;
}
IBlockState translated = _convertedStates.GetOrAdd(pallete[state],
u =>
{
if (_blockStateMap.TryGetValue(pallete[state], out var bs))
{
var result =
BlockFactory.RuntimeIdTable.FirstOrDefault(xx =>
xx.Name == bs.Name);
if (result != null && result.Id >= 0)
{
var reverseMap = MiNET.Worlds.AnvilWorldProvider.Convert.FirstOrDefault(map =>
map.Value.Item1 == result.Id);
var id = result.Id;
if (reverseMap.Value != null)
{
id = reverseMap.Key;
}
var res = BlockFactory.GetBlockStateID(
(int)id,
(byte)bs.Data);
if (AnvilWorldProvider.BlockStateMapper.TryGetValue(
res,
out var res2))
{
var t = BlockFactory.GetBlockState(res2);
t = TranslateBlockState(t, id,
bs.Data);
return(t);
}
else
{
Log.Info(
$"Did not find anvil statemap: {result.Name}");
return(TranslateBlockState(
BlockFactory.GetBlockState(result.Name),
id, bs.Data));
}
}
return(TranslateBlockState(
BlockFactory.GetBlockState(bs.Name),
-1, bs.Data));
}
return(null);
});
if (translated != null)
{
section.Set(x, y, z, translated);
}
}
else
{
//TODO.
}
position++;
}
if (position >= 4096)
{
break;
}
}
}
}
else
{
#region OldFormat
byte[] blockIds = new byte[4096];
defStream.Read(blockIds, 0, blockIds.Length);
NibbleArray data = new NibbleArray(4096);
defStream.Read(data.Data, 0, data.Data.Length);
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 16; y++)
{
int idx = (x << 8) + (z << 4) + y;
var id = blockIds[idx];
var meta = data[idx];
IBlockState result = null;
if (id > 0 && result == null)
{
var res = BlockFactory.GetBlockStateID(id, meta);
if (AnvilWorldProvider.BlockStateMapper.TryGetValue(res,
out var res2))
{
var t = BlockFactory.GetBlockState(res2);
t = TranslateBlockState(t, id,
meta);
result = t;
}
else
{
Log.Info($"Did not find anvil statemap: {result.Name}");
result = TranslateBlockState(BlockFactory.GetBlockState(res),
id, meta);
}
}
if (result == null)
{
var results = BlockFactory.RuntimeIdTable.Where(xx =>
xx.Id == id && xx.Data == meta).ToArray();
if (results.Length > 0)
{
result = TranslateBlockState(
BlockFactory.GetBlockState((uint)results[0].RuntimeId), id,
meta);
}
}
if (result != null)
{
section.Set(x, y, z, result);
}
}
}
}
#endregion
}
if (UseAlexChunks)
{
// Log.Info($"Alex chunk!");
var rawSky = new Utils.NibbleArray(4096);
defStream.Read(rawSky.Data, 0, rawSky.Data.Length);
var rawBlock = new Utils.NibbleArray(4096);
defStream.Read(rawBlock.Data, 0, rawBlock.Data.Length);
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
for (int z = 0; z < 16; z++)
{
var peIndex = (x * 256) + (z * 16) + y;
var sky = rawSky[peIndex];
var block = rawBlock[peIndex];
var idx = y << 8 | z << 4 | x;
section.SkyLight[idx] = sky;
section.BlockLight[idx] = block;
}
}
}
}
section.RemoveInvalidBlocks();
section.IsDirty = true;
//Make sure the section is saved.
chunkColumn.Sections[s] = section;
}
byte[] ba = new byte[512];
if (defStream.Read(ba, 0, 256 * 2) != 256 * 2)
{
Log.Error($"Out of data height");
}
Buffer.BlockCopy(ba, 0, chunkColumn.Height, 0, 512);
int[] biomeIds = new int[256];
for (int i = 0; i < biomeIds.Length; i++)
{
biomeIds[i] = defStream.ReadByte();
}
chunkColumn.BiomeId = biomeIds;
if (stream.Position >= stream.Length - 1)
{
callback?.Invoke(chunkColumn);
return;
}
int borderBlock = VarInt.ReadSInt32(stream);
if (borderBlock > 0)
{
byte[] buf = new byte[borderBlock];
int len = defStream.Read(buf, 0, borderBlock);
}
if (stream.Position < stream.Length - 1)
{
while (stream.Position < stream.Length)
{
NbtFile file = new NbtFile()
{
BigEndian = false,
UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
}
}
if (stream.Position < stream.Length - 1)
{
Log.Warn(
$"Still have data to read\n{Packet.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
}
//Done processing this chunk, send to world
callback?.Invoke(chunkColumn);
}
}
catch (Exception ex)
{
Log.Error($"Exception in chunk loading: {ex.ToString()}");
}
finally
{
profiler?.Stop();
MeasureProfiler.SaveData();
}
}
public void LabTest()
{
// x = 8, z = 9
string test = "78daedcdc109c0200004c1233e125bb32f1b4a836a170acec0bef74b52576f294f36f2f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f73fe10f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002718974bff9ba43b9b1d578f30";
string test2 = "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";
string test3 = "7801EDDC310D00000803B02508C0BF5B828A3DAD904E920900000000000000000000000000000000000000000000000000000000000000F016000000000000000000000000000000A86BFF03000000000000000000000000000000000000000000000000000000000000000040CF01072DC034";
//$ordered = zlib_encode(
//int chunkX) .
//int chunkZ) .
//$orderedIds .
//$orderedData .
//$orderedSkyLight .
//$orderedLight .
//$this->biomeIds .
//$biomeColors .
//$this->tiles
byte[] val = SoapHexBinary.Parse(test).Value;
Assert.IsNotNull(val);
MemoryStream stream = new MemoryStream(val);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
NbtBinaryReader defStream = new NbtBinaryReader(defStream2, true);
ChunkColumn chunk = new ChunkColumn();
chunk.x = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
chunk.z = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
int chunkSize = 16*16*128;
Assert.AreEqual(chunkSize, defStream.Read(chunk.blocks, 0, chunkSize));
Assert.AreEqual(chunkSize/2, defStream.Read(chunk.metadata.Data, 0, chunkSize/2));
Assert.AreEqual(chunkSize/2, defStream.Read(chunk.skylight.Data, 0, chunkSize/2));
Assert.AreEqual(chunkSize/2, defStream.Read(chunk.blocklight.Data, 0, chunkSize/2));
Assert.AreEqual(256, defStream.Read(chunk.biomeId, 0, 256));
byte[] ints = new byte[256*4];
Assert.AreEqual(ints.Length, defStream.Read(ints, 0, ints.Length));
int j = 0;
for (int i = 0; i < ints.Length; i = i + 4)
{
chunk.biomeColor[j++] = BitConverter.ToInt32(new[] {ints[i], ints[i + 1], ints[i + 2], ints[i + 3]}, 0);
}
MemoryStream uncompressed = new MemoryStream();
int b = -1;
do
{
b = defStream2.ReadByte();
if (b != -1) uncompressed.WriteByte((byte) b);
} while (b != -1);
Assert.AreEqual(0, uncompressed.Length);
//Assert.AreEqual(83208, uncompressed.Length);
Assert.AreEqual(8, chunk.x);
Assert.AreEqual(9, chunk.z);
byte[] data = chunk.GetBytes();
Assert.AreEqual(83208, data.Length); // Expected uncompressed length
}
}
public static ChunkColumn DecocedChunkColumn(byte[] buffer)
{
MemoryStream stream = new MemoryStream(buffer);
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
ChunkColumn chunk = new ChunkColumn();
//chunk.x = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
//chunk.z = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
int chunkSize = 16 * 16 * 128;
defStream.Read(chunk.blocks, 0, chunkSize);
defStream.Read(chunk.metadata.Data, 0, chunkSize / 2);
defStream.Read(chunk.skylight.Data, 0, chunkSize / 2);
defStream.Read(chunk.blocklight.Data, 0, chunkSize / 2);
//Log.Debug($"skylight.Data:\n{Package.HexDump(chunk.skylight.Data, 64)}");
//Log.Debug($"blocklight.Data:\n{Package.HexDump(chunk.blocklight.Data)}");
defStream.Read(chunk.height, 0, 256);
//Log.Debug($"Heights:\n{Package.HexDump(chunk.height)}");
byte[] ints = new byte[256 * 4];
defStream.Read(ints, 0, ints.Length);
//Log.Debug($"biomeColor (pre):\n{Package.HexDump(ints)}");
int j = 0;
for (int i = 0; i < ints.Length; i = i + 4)
{
chunk.biomeId[j] = ints[i];
chunk.biomeColor[j++] = BitConverter.ToInt32(new[] { (byte)0, ints[i + 1], ints[i + 2], ints[i + 3] }, 0);
}
//Log.Debug($"biomeId (post):\n{Package.HexDump(chunk.biomeId)}");
if (stream.Position >= stream.Length - 1)
{
return(chunk);
}
//return chunk;
int extraSize = defStream.ReadInt16();
if (extraSize != 0)
{
Log.Debug($"Got extradata\n{Package.HexDump(defStream.ReadBytes(extraSize))}");
}
if (stream.Position >= stream.Length - 1)
{
return(chunk);
}
//Log.Debug($"Got NBT data\n{Package.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
while (stream.Position < stream.Length)
{
NbtFile file = new NbtFile()
{
BigEndian = false, UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
//Log.Debug($"Blockentity: {file.RootTag}");
}
return(chunk);
}
}
internal abstract void SkipTag(NbtBinaryReader readStream);
public static ChunkColumn DecocedChunkColumn(byte[] buffer)
{
lock (_chunkRead)
{
MemoryStream stream = new MemoryStream(buffer);
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
Log.Debug("New chunk column");
int count = defStream.ReadByte();
if (count < 1)
{
Log.Warn("Nothing to read");
return(null);
}
if (count > 1)
{
Log.Debug($"Reading {count} sections");
}
else
{
Log.Debug($"Reading {count} sections");
}
ChunkColumn chunkColumn = new ChunkColumn();
for (int s = 0; s < count; s++)
{
int idx = defStream.ReadByte();
Log.Debug($"New section {s}, index={idx}");
Chunk chunk = chunkColumn.chunks[s];
int chunkSize = 16 * 16 * 16;
defStream.Read(chunk.blocks, 0, chunkSize);
//Log.Debug($"Blocks1:\n{Package.HexDump(chunk.blocks)}");
if (defStream.Read(chunk.metadata.Data, 0, chunkSize / 2) != chunkSize / 2)
{
Log.Error($"Out of data: metadata");
}
//Log.Debug($"metadata:\n{Package.HexDump(chunk.metadata.Data)}");
if (defStream.Read(chunk.skylight.Data, 0, chunkSize / 2) != chunkSize / 2)
{
Log.Error($"Out of data: skylight");
}
//Log.Debug($"skylight:\n{Package.HexDump(chunk.skylight.Data)}");
if (defStream.Read(chunk.blocklight.Data, 0, chunkSize / 2) != chunkSize / 2)
{
Log.Error($"Out of data: blocklight");
}
//Log.Debug($"blocklight:\n{Package.HexDump(chunk.blocklight.Data)}");
//Log.Debug($"skylight.Data:\n{Package.HexDump(chunk.skylight.Data, 64)}");
//Log.Debug($"blocklight.Data:\n{Package.HexDump(chunk.blocklight.Data)}");
//byte[] ints = new byte[256*4];
//var readLen = defStream.Read(ints, 0, ints.Length);
//if (readLen != ints.Length) Log.Error($"Out of data biomeColors, read lenght {readLen}");
//Log.Debug($"biomeColor (pre):\n{Package.HexDump(ints)}");
//return null;
//int j = 0;
//for (int i = 0; i < ints.Length; i = i + 4)
//{
// chunk.biomeId[j] = ints[i];
// chunk.biomeColor[j++] = BitConverter.ToInt32(new[] {(byte) 0, ints[i + 1], ints[i + 2], ints[i + 3]}, 0);
//}
//Log.Debug($"biomeId (post):\n{Package.HexDump(chunk.biomeId)}");
//if (stream.Position >= stream.Length - 1) return chunk;
////return chunk;
//return chunk;
}
//if (stream.Position >= stream.Length - 1) continue;
if (defStream.Read(chunkColumn.height, 0, 256 * 2) != 256 * 2)
{
Log.Error($"Out of data height");
}
//Log.Debug($"Heights:\n{Package.HexDump(chunk.height)}");
//if (stream.Position >= stream.Length - 1) continue;
if (defStream.Read(chunkColumn.biomeId, 0, 256) != 256)
{
Log.Error($"Out of data biomeId");
}
//Log.Debug($"biomeId:\n{Package.HexDump(chunk.biomeId)}");
//if (stream.Position >= stream.Length - 1) continue;
int borderBlock = VarInt.ReadSInt32(stream);
if (borderBlock != 0)
{
Log.Warn($"??? Got borderblock {borderBlock}");
}
int extraCount = VarInt.ReadSInt32(stream);
if (extraCount != 0)
{
//Log.Warn($"Got extradata\n{Package.HexDump(defStream.ReadBytes(extraCount*10))}");
for (int i = 0; i < extraCount; i++)
{
var hash = VarInt.ReadSInt32(stream);
var blockData = defStream.ReadInt16();
Log.Warn($"Got extradata: hash=0x{hash:X2}, blockdata=0x{blockData:X2}");
}
}
if (stream.Position < stream.Length - 1)
{
//Log.Debug($"Got NBT data\n{Package.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
while (stream.Position < stream.Length)
{
NbtFile file = new NbtFile()
{
BigEndian = false, UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
Log.Debug($"Blockentity: {file.RootTag}");
}
}
if (stream.Position < stream.Length - 1)
{
Log.Warn($"Still have data to read\n{Package.HexDump(defStream.ReadBytes((int)(stream.Length - stream.Position)))}");
}
}
return(new ChunkColumn());
}
}
internal override void SkipTag(NbtBinaryReader readStream)
{
readStream.SkipString();
}
internal abstract bool ReadTag(NbtBinaryReader readStream);
internal void HandlePackage(Package message, PlayerNetworkSession playerSession)
{
Player player = playerSession.Player;
if (message == null)
{
return;
}
if (typeof(McpeWrapper) == message.GetType())
{
McpeWrapper batch = (McpeWrapper)message;
// Get bytes
byte[] payload = batch.payload;
if (playerSession.CryptoContext != null && Config.GetProperty("UseEncryption", true))
{
payload = CryptoUtils.Decrypt(payload, playerSession.CryptoContext);
}
//if (Log.IsDebugEnabled)
// Log.Debug($"0x{payload[0]:x2}\n{Package.HexDump(payload)}");
var msg = PackageFactory.CreatePackage(payload[0], payload, "mcpe") ?? new UnknownPackage(payload[0], payload);
HandlePackage(msg, playerSession);
msg.PutPool();
return;
}
if (typeof(UnknownPackage) == message.GetType())
{
UnknownPackage packet = (UnknownPackage)message;
Log.Warn($"Received unknown package 0x{message.Id:X2}\n{Package.HexDump(packet.Message)}");
return;
}
if (typeof(McpeBatch) == message.GetType())
{
Log.Debug("Handle MCPE batch message");
McpeBatch batch = (McpeBatch)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
while (destination.Position < destination.Length)
{
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
//if (Log.IsDebugEnabled)
// Log.Debug($"0x{internalBuffer[0]:x2}\n{Package.HexDump(internalBuffer)}");
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer, "mcpe") ?? new UnknownPackage(internalBuffer[0], internalBuffer));
}
if (destination.Length > destination.Position)
{
throw new Exception("Have more data");
}
}
foreach (var msg in messages)
{
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg, playerSession);
msg.PutPool();
}
return;
}
if (player != null)
{
player.HandlePackage(message);
}
}
public static ChunkColumn DecocedChunkColumn(byte[] buffer)
{
lock (_chunkRead)
{
MemoryStream stream = new MemoryStream(buffer);
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
Log.Debug("New chunk column");
int count = defStream.ReadByte();
if (count < 1)
{
Log.Warn("Nothing to read");
return(null);
}
Log.Debug($"Reading {count} sections");
ChunkColumn chunkColumn = new ChunkColumn();
for (int s = 0; s < count; s++)
{
int version = defStream.ReadByte();
int storageSize = defStream.ReadByte();
for (int i = 0; i < storageSize; i++)
{
int bitsPerBlock = defStream.ReadByte() >> 1;
int noBlocksPerWord = (int)Math.Floor(32f / bitsPerBlock);
int wordCount = (int)Math.Ceiling(4096f / noBlocksPerWord);
Log.Warn($"New section {s}, " +
$"version={version}, " +
$"storageSize={storageSize}, " +
$"bitsPerBlock={bitsPerBlock}, " +
$"noBlocksPerWord={noBlocksPerWord}, " +
$"wordCount={wordCount}, " +
$"");
defStream.ReadBytes(wordCount * 4);
int paletteCount = VarInt.ReadSInt32(stream);
//Log.Warn($"New section {s}, " +
// $"version={version}, " +
// $"storageSize={storageSize}, " +
// $"bitsPerBlock={bitsPerBlock}, " +
// $"noBlocksPerWord={noBlocksPerWord}, " +
// $"wordCount={wordCount}, " +
// $"paletteCount={paletteCount}" +
// $"");
for (int j = 0; j < paletteCount; j++)
{
VarInt.ReadSInt32(stream);
}
}
}
//if (stream.Position >= stream.Length - 1) continue;
byte[] ba = new byte[512];
if (defStream.Read(ba, 0, 256 * 2) != 256 * 2)
{
Log.Error($"Out of data height");
}
Buffer.BlockCopy(ba, 0, chunkColumn.height, 0, 512);
//Log.Debug($"Heights:\n{Package.HexDump(ba)}");
//if (stream.Position >= stream.Length - 1) continue;
if (defStream.Read(chunkColumn.biomeId, 0, 256) != 256)
{
Log.Error($"Out of data biomeId");
}
//Log.Debug($"biomeId:\n{Package.HexDump(chunk.biomeId)}");
if (stream.Position >= stream.Length - 1)
{
return(chunkColumn);
}
int borderBlock = VarInt.ReadSInt32(stream);
if (borderBlock != 0)
{
byte[] buf = new byte[borderBlock];
int len = defStream.Read(buf, 0, borderBlock);
Log.Warn($"??? Got borderblock {borderBlock}. Read {len} bytes");
Log.Debug($"{Packet.HexDump(buf)}");
for (int i = 0; i < borderBlock; i++)
{
int x = (buf[i] & 0xf0) >> 4;
int z = buf[i] & 0x0f;
Log.Debug($"x={x}, z={z}");
}
}
if (stream.Position < stream.Length - 1)
{
//Log.Debug($"Got NBT data\n{Package.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
while (stream.Position < stream.Length)
{
NbtFile file = new NbtFile()
{
BigEndian = false,
UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
Log.Debug($"Blockentity: {file.RootTag}");
}
}
if (stream.Position < stream.Length - 1)
{
Log.Warn($"Still have data to read\n{Packet.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
}
return(chunkColumn);
}
}
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
if (Parent != null && readStream.Selector != null && !readStream.Selector(this))
{
SkipTag(readStream);
return(false);
}
while (true)
{
NbtTagType nextTag = readStream.ReadTagType();
NbtTag newTag;
switch (nextTag)
{
case NbtTagType.End:
return(true);
case NbtTagType.Byte:
newTag = new NbtByte();
break;
case NbtTagType.Short:
newTag = new NbtShort();
break;
case NbtTagType.Int:
newTag = new NbtInt();
break;
case NbtTagType.Long:
newTag = new NbtLong();
break;
case NbtTagType.Float:
newTag = new NbtFloat();
break;
case NbtTagType.Double:
newTag = new NbtDouble();
break;
case NbtTagType.ByteArray:
newTag = new NbtByteArray();
break;
case NbtTagType.String:
newTag = new NbtString();
break;
case NbtTagType.List:
newTag = new NbtList();
break;
case NbtTagType.Compound:
newTag = new NbtCompound();
break;
case NbtTagType.IntArray:
newTag = new NbtIntArray();
break;
default:
throw new NbtFormatException("Unsupported tag type found in NBT_Compound: " + nextTag);
}
newTag.Parent = this;
newTag.Name = readStream.ReadString();
if (newTag.ReadTag(readStream))
{
// ReSharper disable AssignNullToNotNullAttribute
// newTag.Name is never null
tags.Add(newTag.Name, newTag);
// ReSharper restore AssignNullToNotNullAttribute
}
}
}
private void OnBatch(Package message)
{
McpeBatch batch = (McpeBatch) message;
var messages = new List<Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = new MemoryStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
do
{
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer) ?? new UnknownPackage(internalBuffer[0], internalBuffer));
} while (destination.Position < destination.Length);
}
foreach (var msg in messages)
{
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg);
msg.PutPool();
}
}
internal override void SkipTag(NbtBinaryReader readStream)
{
while (true)
{
NbtTagType nextTag = readStream.ReadTagType();
NbtTag newTag;
switch (nextTag)
{
case NbtTagType.End:
return;
case NbtTagType.Byte:
newTag = new NbtByte();
break;
case NbtTagType.Short:
newTag = new NbtShort();
break;
case NbtTagType.Int:
newTag = new NbtInt();
break;
case NbtTagType.Long:
newTag = new NbtLong();
break;
case NbtTagType.Float:
newTag = new NbtFloat();
break;
case NbtTagType.Double:
newTag = new NbtDouble();
break;
case NbtTagType.ByteArray:
newTag = new NbtByteArray();
break;
case NbtTagType.String:
newTag = new NbtString();
break;
case NbtTagType.List:
newTag = new NbtList();
break;
case NbtTagType.Compound:
newTag = new NbtCompound();
break;
case NbtTagType.IntArray:
newTag = new NbtIntArray();
break;
default:
throw new NbtFormatException("Unsupported tag type found in NBT_Compound: " + nextTag);
}
readStream.SkipString();
newTag.SkipTag(readStream);
}
}
protected void DecodeCert(McpeLogin message)
{
byte[] buffer = message.payload;
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
if (Log.IsDebugEnabled)
{
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
}
string certificateChain;
string skinData;
try
{
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
var countCertData = reader.ReadInt32();
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate Chain (Lenght={countCertData})\n{certificateChain}");
}
var countSkinData = reader.ReadInt32();
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin data (Lenght={countSkinData})\n{skinData}");
}
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
try
{
{
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
try
{
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
CapeData = Convert.FromBase64String((string)payload.CapeData),
SkinId = payload.SkinId,
SkinData = Convert.FromBase64String((string)payload.SkinData),
SkinGeometryName = payload.SkinGeometryName,
SkinGeometry = Convert.FromBase64String((string)payload.SkinGeometry),
};
Log.Warn($"Cape data lenght={_playerInfo.Skin.CapeData.Length}");
}
catch (Exception e)
{
Log.Error("Parsing skin data", e);
}
}
{
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"Certificate JSON:\n{json}");
}
JArray chain = json.chain;
//var chainArray = chain.ToArray();
string validationKey = null;
string identityPublicKey = null;
foreach (JToken token in chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(token.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + token.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(token.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// Mojang root x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (!headers.ContainsKey("x5u"))
{
continue;
}
string x5u = headers["x5u"];
if (identityPublicKey == null)
{
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Key is ok, and got Mojang root");
}
else if (chain.Count > 1)
{
Log.Debug("Got client cert (client root)");
continue;
}
else if (chain.Count == 1)
{
Log.Debug("Selfsigned chain");
}
}
else if (identityPublicKey.Equals(x5u))
{
Log.Debug("Derived Key is ok");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {x5u}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(x5u);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
CngKey newKey = CryptoUtils.ImportECDsaCngKeyFromString(x5u);
CertificateData data = JWT.Decode <CertificateData>(token.ToString(), newKey);
if (data != null)
{
identityPublicKey = data.IdentityPublicKey;
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(x5u, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
//TODO: JSON now.
throw new Exception("JSON!!!");
//var response = McpeServerToClientHandshake.CreateObject();
// response.NoBatch = true;
// response.ForceClear = true;
//response.token =
// response.serverPublicKey = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
// response.tokenLength = (short) ecKey.SecretPrepend.Length;
// response.token = ecKey.SecretPrepend;
//_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
/// <summary>
/// Handles the specified package.
/// </summary>
/// <param name="message">The package.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
private void HandlePackage(Package message, IPEndPoint senderEndpoint)
{
if (typeof(McpeBatch) == message.GetType())
{
Log.Debug("Processing Batch package");
McpeBatch batch = (McpeBatch)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
MemoryStream destination = new MemoryStream();
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
do
{
int len = reader.ReadInt32();
byte[] internalBuffer = reader.ReadBytes(len);
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer) ?? new UnknownPackage(internalBuffer[0], internalBuffer));
} while (destination.Position < destination.Length); // throw new Exception("Have more data");
}
foreach (var msg in messages)
{
HandlePackage(msg, senderEndpoint);
msg.PutPool();
}
return;
}
TraceReceive(message);
if (typeof(UnknownPackage) == message.GetType())
{
return;
}
if (typeof(McpeDisconnect) == message.GetType())
{
McpeDisconnect msg = (McpeDisconnect)message;
Log.InfoFormat("Disconnect {1}: {0}", msg.message, Username);
SendDisconnectionNotification();
StopClient();
return;
}
if (typeof(ConnectedPing) == message.GetType())
{
ConnectedPing msg = (ConnectedPing)message;
SendConnectedPong(msg.sendpingtime);
return;
}
if (typeof(McpeFullChunkData) == message.GetType())
{
//McpeFullChunkData msg = (McpeFullChunkData) message;
//ChunkColumn chunk = ClientUtils.DecocedChunkColumn(msg.chunkData);
//if (chunk != null)
//{
// Log.DebugFormat("Chunk X={0}", chunk.x);
// Log.DebugFormat("Chunk Z={0}", chunk.z);
// //ClientUtils.SaveChunkToAnvil(chunk);
//}
return;
}
if (typeof(ConnectionRequestAccepted) == message.GetType())
{
Thread.Sleep(50);
SendNewIncomingConnection();
//_connectedPingTimer = new Timer(state => SendConnectedPing(), null, 1000, 1000);
Thread.Sleep(50);
SendLogin(Username);
return;
}
if (typeof(McpeSetSpawnPosition) == message.GetType())
{
McpeSetSpawnPosition msg = (McpeSetSpawnPosition)message;
_spawn = new Vector3(msg.x, msg.y, msg.z);
_level.SpawnX = (int)_spawn.X;
_level.SpawnY = (int)_spawn.Y;
_level.SpawnZ = (int)_spawn.Z;
return;
}
if (typeof(McpeStartGame) == message.GetType())
{
McpeStartGame msg = (McpeStartGame)message;
_entityId = msg.entityId;
_spawn = new Vector3(msg.x, msg.y, msg.z);
_level.LevelName = "Default";
_level.Version = 19133;
_level.GameType = msg.gamemode;
//ClientUtils.SaveLevel(_level);
return;
}
if (typeof(McpeTileEvent) == message.GetType())
{
McpeTileEvent msg = (McpeTileEvent)message;
Log.DebugFormat("X: {0}", msg.x);
Log.DebugFormat("Y: {0}", msg.y);
Log.DebugFormat("Z: {0}", msg.z);
Log.DebugFormat("Case 1: {0}", msg.case1);
Log.DebugFormat("Case 2: {0}", msg.case2);
return;
}
if (typeof(McpeAddEntity) == message.GetType())
{
McpeAddEntity msg = (McpeAddEntity)message;
Log.DebugFormat("Entity ID: {0}", msg.entityId);
Log.DebugFormat("Entity Type: {0}", msg.entityType);
Log.DebugFormat("X: {0}", msg.x);
Log.DebugFormat("Y: {0}", msg.y);
Log.DebugFormat("Z: {0}", msg.z);
Log.DebugFormat("Yaw: {0}", msg.yaw);
Log.DebugFormat("Pitch: {0}", msg.pitch);
Log.DebugFormat("Velocity X: {0}", msg.speedX);
Log.DebugFormat("Velocity Y: {0}", msg.speedY);
Log.DebugFormat("Velocity Z: {0}", msg.speedZ);
//Log.DebugFormat("Metadata: {0}", msg.metadata.ToString());
//Log.DebugFormat("Links count: {0}", msg.links);
return;
}
if (typeof(McpeSetEntityData) == message.GetType())
{
McpeSetEntityData msg = (McpeSetEntityData)message;
Log.DebugFormat("Entity ID: {0}", msg.entityId);
MetadataDictionary metadata = msg.metadata;
Log.DebugFormat("Metadata: {0}", metadata.ToString());
return;
}
if (typeof(McpeMovePlayer) == message.GetType())
{
//McpeMovePlayer msg = (McpeMovePlayer) message;
//Log.DebugFormat("Entity ID: {0}", msg.entityId);
//CurrentLocation = new PlayerLocation(msg.x, msg.y + 10, msg.z);
//SendMcpeMovePlayer();
return;
}
if (typeof(McpeUpdateBlock) == message.GetType())
{
McpeUpdateBlock msg = (McpeUpdateBlock)message;
Log.DebugFormat("No of Blocks: {0}", msg.blocks.Count);
return;
}
if (typeof(McpeLevelEvent) == message.GetType())
{
McpeLevelEvent msg = (McpeLevelEvent)message;
Log.DebugFormat("Event ID: {0}", msg.eventId);
Log.DebugFormat("X: {0}", msg.x);
Log.DebugFormat("Y: {0}", msg.y);
Log.DebugFormat("Z: {0}", msg.z);
Log.DebugFormat("Data: {0}", msg.data);
return;
}
if (typeof(McpeContainerSetContent) == message.GetType())
{
McpeContainerSetContent msg = (McpeContainerSetContent)message;
Log.DebugFormat("Window ID: 0x{0:x2}, Count: {1}", msg.windowId, msg.slotData.Count);
var slots = msg.slotData.GetValues();
foreach (var entry in slots)
{
MetadataSlot slot = (MetadataSlot)entry;
//Log.DebugFormat(" - Id: {0}, Metadata: {1}, Count: {2}", slot.Value.Item.Id, slot.Value.Item.Metadata, slot.Value.Count);
}
return;
}
if (typeof(McpeCraftingData) == message.GetType())
{
string fileName = Path.GetTempPath() + "Recipes_" + Guid.NewGuid() + ".txt";
Log.Info("Writing recipes to filename: " + fileName);
FileStream file = File.OpenWrite(fileName);
McpeCraftingData msg = (McpeCraftingData)message;
IndentedTextWriter writer = new IndentedTextWriter(new StreamWriter(file));
writer.WriteLine("static RecipeManager()");
writer.WriteLine("{");
writer.Indent++;
writer.WriteLine("Recipes = new Recipes");
writer.WriteLine("{");
writer.Indent++;
foreach (Recipe recipe in msg.recipes)
{
ShapelessRecipe shapelessRecipe = recipe as ShapelessRecipe;
if (shapelessRecipe != null)
{
writer.WriteLine(string.Format("new ShapelessRecipe(new ItemStack(ItemFactory.GetItem({0}, {1}), {2}),", shapelessRecipe.Result.Id, shapelessRecipe.Result.Metadata, shapelessRecipe.Result.Count));
writer.Indent++;
writer.WriteLine("new List<ItemStack>");
writer.WriteLine("{");
writer.Indent++;
foreach (var itemStack in shapelessRecipe.Input)
{
writer.WriteLine(string.Format("new ItemStack(ItemFactory.GetItem({0}, {1}), {2}),", itemStack.Id, itemStack.Metadata, itemStack.Count));
}
writer.Indent--;
writer.WriteLine("}),");
writer.Indent--;
continue;
}
ShapedRecipe shapedRecipe = recipe as ShapedRecipe;
if (shapedRecipe != null)
{
writer.WriteLine(string.Format("new ShapedRecipe({0}, {1}, new ItemStack(ItemFactory.GetItem({2}, {3}), {4}),", shapedRecipe.Width, shapedRecipe.Height, shapedRecipe.Result.Id, shapedRecipe.Result.Metadata, shapedRecipe.Result.Count));
writer.Indent++;
writer.WriteLine("new Item[]");
writer.WriteLine("{");
writer.Indent++;
foreach (Item item in shapedRecipe.Input)
{
writer.WriteLine(string.Format("ItemFactory.GetItem({0}, {1}),", item.Id, item.Metadata));
}
writer.Indent--;
writer.WriteLine("}),");
writer.Indent--;
continue;
}
}
writer.WriteLine("};");
writer.Indent--;
writer.WriteLine("}");
writer.Indent--;
writer.Flush();
file.Close();
Environment.Exit(0);
return;
}
}
internal override void SkipTag(NbtBinaryReader readStream)
{
readStream.SkipString();
}
internal override bool ReadTag(NbtBinaryReader readStream)
{
if (readStream.Selector != null && !readStream.Selector(this))
{
readStream.ReadByte();
return false;
}
Value = readStream.ReadByte();
return true;
}
protected void DecodeCert(McpeLogin message)
{
// Get bytes
byte[] buffer = message.payload;
//Log.Debug($"Unknown byte in login packet is: {message.unknown}");
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
// Decompress bytes
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
//MemoryStream stream = new MemoryStream(buffer);
//if (stream.ReadByte() != 0x78)
//{
// throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
//}
//stream.ReadByte();
string certificateChain;
string skinData;
//using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
//using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
//defStream2.CopyTo(destination);
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
}
try
{
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input SKIN string: " + skinData);
}
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
Console.WriteLine(payload);
// Skin JWT Payload:
//{
// "ClientRandomId": 1423700530444426768,
// "CurrentInputMode": 1,
// "DefaultInputMode": 1,
// "DeviceModel": "ASUSTeK COMPUTER INC. N550JK",
// "DeviceOS": 7,
// "GameVersion": "1.2.0",
// "GuiScale": 0,
// "LanguageCode": "en_US",
// "ServerAddress": "192.168.0.3:19132",
// "SkinData": "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",
// "SkinId": "Standard_Custom",
// "UIProfile": 0
//}
try
{
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.LanguageCode = payload.LanguageCode;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string)payload.SkinData),
GeometryType = (string)payload.SkinGeometryName,
GeometryData = Encoding.ASCII.GetString(Convert.FromBase64String((string)payload.SkinGeometryData))
};
}
catch (Exception e)
{
Log.Error("Skin info", e);
}
}
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input JSON string: " + certificateChain);
}
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"JSON:\n{json}");
}
string validationKey = null;
JArray chain = json.chain;
var chainArray = chain.ToArray();
string identityPublicKey = null;
foreach (dynamic o in chainArray)
{
IDictionary <string, dynamic> headers = JWT.Headers(o.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
if (identityPublicKey == null && CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Key is ok, and got Mojang root");
}
else if (identityPublicKey == null)
{
if (chainArray.Length > 1)
{
Log.Debug("Got client cert (client root)");
continue;
}
else if (chainArray.Length == 1)
{
Log.Debug("Selfsigned chain");
}
}
else if (identityPublicKey.Equals(certString))
{
Log.Debug("Derived Key is ok");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {certString}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(certString);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
var newKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode <CertificateData>(o.ToString(), newKey);
if (data != null)
{
identityPublicKey = data.IdentityPublicKey;
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
var response = McpeServerToClientHandshake.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
string b64Key = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
var j = CngKey.Create(CngAlgorithm.ECDiffieHellmanP384, null, new CngKeyCreationParameters()
{
ExportPolicy = CngExportPolicies.AllowPlaintextExport, KeyUsage = CngKeyUsages.AllUsages
});
var jwt = JWT.Encode(new object[] {
new [] { "salt", "sNUMIRcN2BSNRw93P5vGpg==" }
}, j, JwsAlgorithm.ES384, new Dictionary <string, object> {
{ "x5u", b64Key }
});
response.token = jwt;
_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
internal void HandlePackage(Package message, PlayerNetworkSession playerSession)
{
//SignalTick();
try
{
if (message == null)
{
return;
}
if (typeof(UnknownPackage) == message.GetType())
{
UnknownPackage packet = (UnknownPackage)message;
if (Log.IsDebugEnabled)
{
Log.Warn($"Received unknown package 0x{message.Id:X2}\n{Package.HexDump(packet.Message)}");
}
message.PutPool();
return;
}
if (typeof(McpeWrapper) == message.GetType())
{
McpeWrapper batch = (McpeWrapper)message;
var messages = new List <Package>();
// Get bytes
byte[] payload = batch.payload;
if (playerSession.CryptoContext != null && playerSession.CryptoContext.UseEncryption)
{
throw new Exception("No crypto enabled");
}
// Decompress bytes
MemoryStream stream = new MemoryStream(payload);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
defStream2.CopyTo(destination);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, true);
while (destination.Position < destination.Length)
{
//int len = reader.ReadInt32();
int len = BatchUtils.ReadLength(destination);
byte[] internalBuffer = reader.ReadBytes(len);
//if (Log.IsDebugEnabled)
// Log.Debug($"0x{internalBuffer[0]:x2}\n{Package.HexDump(internalBuffer)}");
messages.Add(PackageFactory.CreatePackage(internalBuffer[0], internalBuffer, "mcpe") ??
new UnknownPackage(internalBuffer[0], internalBuffer));
}
if (destination.Length > destination.Position)
{
throw new Exception("Have more data");
}
}
}
foreach (var msg in messages)
{
// Temp fix for performance, take 1.
var interact = msg as McpeInteract;
if (interact?.actionId == 4 && interact.targetRuntimeEntityId == 0)
{
continue;
}
msg.DatagramSequenceNumber = batch.DatagramSequenceNumber;
msg.Reliability = batch.Reliability;
msg.ReliableMessageNumber = batch.ReliableMessageNumber;
msg.OrderingChannel = batch.OrderingChannel;
msg.OrderingIndex = batch.OrderingIndex;
HandlePackage(msg, playerSession);
}
message.PutPool();
return;
}
MiNetServer.TraceReceive(message);
if (CryptoContext != null && CryptoContext.UseEncryption)
{
MiNetServer.FastThreadPool.QueueUserWorkItem(delegate()
{
HandlePackage(MessageHandler, message as Package);
message.PutPool();
});
}
else
{
HandlePackage(MessageHandler, message);
message.PutPool();
}
}
catch (Exception e)
{
Log.Error("Package handling", e);
throw;
}
}
internal abstract void SkipTag([NotNull] NbtBinaryReader readStream);
void LoadFromStreamInternal(Stream stream, TagSelector tagSelector)
{
// Make sure the first byte in this file is the tag for a TAG_Compound
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, BigEndian)
{
Selector = tagSelector
};
var rootCompound = new NbtCompound(reader.ReadString());
rootCompound.ReadTag(reader);
RootTag = rootCompound;
}
public void LabTest()
{
// x = 8, z = 9
string test = "78daedcdc109c0200004c1233e125bb32f1b4a836a170acec0bef74b52576f294f36f2f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f73fe10f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002718974bff9ba43b9b1d578f30";
string test2 = "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";
string test3 = "7801EDDC310D00000803B02508C0BF5B828A3DAD904E920900000000000000000000000000000000000000000000000000000000000000F016000000000000000000000000000000A86BFF03000000000000000000000000000000000000000000000000000000000000000040CF01072DC034";
//$ordered = zlib_encode(
//int chunkX) .
//int chunkZ) .
//$orderedIds .
//$orderedData .
//$orderedSkyLight .
//$orderedLight .
//$this->biomeIds .
//$biomeColors .
//$this->tiles
byte[] val = SoapHexBinary.Parse(test).Value;
Assert.IsNotNull(val);
MemoryStream stream = new MemoryStream(val);
if (stream.ReadByte() != 0x78)
{
throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
}
stream.ReadByte();
using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
NbtBinaryReader defStream = new NbtBinaryReader(defStream2, true);
ChunkColumn chunk = new ChunkColumn();
chunk.x = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
chunk.z = IPAddress.NetworkToHostOrder(defStream.ReadInt32());
int chunkSize = 16 * 16 * 128;
Assert.AreEqual(chunkSize, defStream.Read(chunk.blocks, 0, chunkSize));
Assert.AreEqual(chunkSize / 2, defStream.Read(chunk.metadata.Data, 0, chunkSize / 2));
Assert.AreEqual(chunkSize / 2, defStream.Read(chunk.skylight.Data, 0, chunkSize / 2));
Assert.AreEqual(chunkSize / 2, defStream.Read(chunk.blocklight.Data, 0, chunkSize / 2));
Assert.AreEqual(256, defStream.Read(chunk.biomeId, 0, 256));
byte[] ints = new byte[256 * 4];
Assert.AreEqual(ints.Length, defStream.Read(ints, 0, ints.Length));
int j = 0;
for (int i = 0; i < ints.Length; i = i + 4)
{
chunk.biomeColor[j++] = BitConverter.ToInt32(new[] { ints[i], ints[i + 1], ints[i + 2], ints[i + 3] }, 0);
}
MemoryStream uncompressed = new MemoryStream();
int b = -1;
do
{
b = defStream2.ReadByte();
if (b != -1)
{
uncompressed.WriteByte((byte)b);
}
} while (b != -1);
Assert.AreEqual(0, uncompressed.Length);
//Assert.AreEqual(83208, uncompressed.Length);
Assert.AreEqual(8, chunk.x);
Assert.AreEqual(9, chunk.z);
byte[] data = chunk.GetBytes(false);
Assert.AreEqual(83208, data.Length); // Expected uncompressed length
}
}
internal abstract void SkipTag(NbtBinaryReader readStream);
private void HandleChunk(bool cacheEnabled, uint subChunkCount, byte[] chunkData, int cx, int cz, Action <ChunkColumn> callback)
{
if (cacheEnabled)
{
Log.Warn($"Unsupported cache enabled!");
}
bool gotLight = false;
try
{
using (MemoryStream stream = new MemoryStream(chunkData))
{
NbtBinaryReader defStream = new NbtBinaryReader(stream, true);
//int count = defStream.ReadByte();
if (subChunkCount < 1)
{
Log.Warn("Nothing to read");
return;
}
ChunkColumn chunkColumn = new ChunkColumn();
chunkColumn.IsDirty = true;
chunkColumn.X = cx;
chunkColumn.Z = cz;
for (int s = 0; s < subChunkCount; s++)
{
var section = chunkColumn.Sections[s] as ChunkSection;
int version = defStream.ReadByte();
if (version == 1 || version == 8)
{
int storageSize = defStream.ReadByte();
if (section == null)
{
section = new ChunkSection(chunkColumn, s, true, 2);
}
for (int storage = 0; storage < storageSize; storage++)
{
int paletteAndFlag = defStream.ReadByte();
bool isRuntime = (paletteAndFlag & 1) != 0;
int bitsPerBlock = paletteAndFlag >> 1;
int blocksPerWord = (int)Math.Floor(32f / bitsPerBlock);
int wordCount = (int)Math.Ceiling(4096.0f / blocksPerWord);
uint[] words = new uint[wordCount];
for (int w = 0; w < wordCount; w++)
{
int word = defStream.ReadInt32();
words[w] = SwapBytes((uint)word);
}
uint[] pallete = new uint[0];
if (isRuntime)
{
int palleteSize = VarInt.ReadSInt32(stream);
pallete = new uint[palleteSize];
for (int pi = 0; pi < pallete.Length; pi++)
{
var ui = (uint)VarInt.ReadSInt32(stream);
pallete[pi] = ui;
}
if (palleteSize == 0)
{
Log.Warn($"Pallete size is 0");
continue;
}
}
int position = 0;
for (int w = 0; w < wordCount; w++)
{
uint word = words[w];
for (int block = 0; block < blocksPerWord; block++)
{
if (position >= 4096)
{
break; // padding bytes
}
uint state =
(uint)((word >> ((position % blocksPerWord) * bitsPerBlock)) &
((1 << bitsPerBlock) - 1));
int x = (position >> 8) & 0xF;
int y = position & 0xF;
int z = (position >> 4) & 0xF;
if (state >= pallete.Length)
{
continue;
}
BlockState translated = GetBlockState(pallete[state]);
if (translated != null)
{
if (translated.Block is Water)
{
string a = "";
}
section.Set(storage, x, y, z, translated);
}
position++;
}
if (position >= 4096)
{
break;
}
}
}
}
else
{
if (section == null)
{
section = new ChunkSection(chunkColumn, s, true, 1);
}
#region OldFormat
byte[] blockIds = new byte[4096];
defStream.Read(blockIds, 0, blockIds.Length);
NibbleArray data = new NibbleArray(4096);
defStream.Read(data.Data, 0, data.Data.Length);
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 16; y++)
{
int idx = (x << 8) + (z << 4) + y;
var id = blockIds[idx];
var meta = data[idx];
var ruid = BlockFactory.GetBlockStateID(id, meta);
BlockState result = null;
if (!_convertedStates.TryGetValue(
ruid, out result))
{
if (id == 124 || id == 123)
{
result = BlockFactory.GetBlockState("minecraft:redstone_lamp");
if (id == 124)
{
result = result.WithProperty("lit", "true");
}
}
else if (id > 0 && result == null)
{
var reverseMap =
MiNET.Worlds.AnvilWorldProvider.Convert.FirstOrDefault(
map => map.Value.Item1 == id);
if (reverseMap.Value != null)
{
id = (byte)reverseMap.Key;
}
var res = BlockFactory.GetBlockStateID(id, meta);
if (AnvilWorldProvider.BlockStateMapper.TryGetValue(res, out var res2))
{
var t = BlockFactory.GetBlockState(res2);
t = TranslateBlockState(t, id, meta);
result = t;
}
else
{
Log.Info($"Did not find anvil statemap: {result.Name}");
result = TranslateBlockState(
BlockFactory.GetBlockState(res), id, meta);
}
}
if (result == null)
{
var results = BlockFactory.RuntimeIdTable.Where(xx => xx.Id == id)
.ToArray();
if (results.Length > 0)
{
var first = results.FirstOrDefault(xx => xx.Data == meta);
if (first == default)
{
first = results[0];
}
result = TranslateBlockState(
BlockFactory.GetBlockState((uint)first.RuntimeId), id, meta);
}
}
if (result == null)
{
result = new BlockState()
{
Name = $"{id}:{meta.ToString()}",
Model = BlockFactory.UnknownBlockModel,
Block = new Block(0)
{
}
};
Log.Info($"Unknown block: {id}:{meta}");
}
if (result != null)
{
_convertedStates.TryAdd(ruid, result);
}
}
if (result != null)
{
section.Set(x, y, z, result);
}
else
{
Log.Info($"Unknown block: {id}:{meta}");
}
}
}
}
#endregion
}
if (UseAlexChunks)
{
// Log.Info($"Alex chunk!");
var rawSky = new API.Utils.NibbleArray(4096);
defStream.Read(rawSky.Data, 0, rawSky.Data.Length);
var rawBlock = new API.Utils.NibbleArray(4096);
defStream.Read(rawBlock.Data, 0, rawBlock.Data.Length);
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
for (int z = 0; z < 16; z++)
{
var peIndex = (x * 256) + (z * 16) + y;
var sky = rawSky[peIndex];
var block = rawBlock[peIndex];
var idx = y << 8 | z << 4 | x;
section.SkyLight[idx] = sky;
section.BlockLight[idx] = block;
}
}
}
gotLight = true;
}
section.RemoveInvalidBlocks();
section.IsDirty = true;
//Make sure the section is saved.
chunkColumn.Sections[s] = section;
}
/* byte[] ba = new byte[512];
* if (defStream.Read(ba, 0, 256 * 2) != 256 * 2) Log.Error($"Out of data height");
*
* Buffer.BlockCopy(ba, 0, chunkColumn.Height, 0, 512);*/
int[] biomeIds = new int[256];
for (int i = 0; i < biomeIds.Length; i++)
{
biomeIds[i] = defStream.ReadByte();
}
chunkColumn.BiomeId = biomeIds;
if (stream.Position >= stream.Length - 1)
{
callback?.Invoke(chunkColumn);
return;
}
int borderBlock = VarInt.ReadSInt32(stream);
if (borderBlock > 0)
{
byte[] buf = new byte[borderBlock];
int len = defStream.Read(buf, 0, borderBlock);
}
if (stream.Position < stream.Length - 1)
{
int loop = 0;
while (stream.Position < stream.Length - 1)
{
try
{
NbtFile file = new NbtFile()
{
BigEndian = false,
UseVarInt = true
};
file.LoadFromStream(stream, NbtCompression.None);
if (file.RootTag.Name == "alex")
{
NbtCompound alexCompound = (NbtCompound)file.RootTag;
for (int ci = 0; ci < subChunkCount; ci++)
{
var section = (ChunkSection)chunkColumn.Sections[ci];
var rawSky = new API.Utils.NibbleArray(4096);
if (alexCompound.TryGet($"skylight-{ci}", out NbtByteArray skyData))
{
rawSky.Data = skyData.Value;
}
//defStream.Read(rawSky.Data, 0, rawSky.Data.Length);
var rawBlock = new API.Utils.NibbleArray(4096);
if (alexCompound.TryGet($"blocklight-{ci}", out NbtByteArray blockData))
{
rawBlock.Data = blockData.Value;
}
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
for (int z = 0; z < 16; z++)
{
var peIndex = (x * 256) + (z * 16) + y;
var sky = rawSky[peIndex];
var block = rawBlock[peIndex];
var idx = y << 8 | z << 4 | x;
section.SkyLight[idx] = sky;
section.BlockLight[idx] = block;
}
}
}
chunkColumn.Sections[ci] = section;
}
gotLight = true;
}
if (stream.Position < stream.Length - 1)
{
// pre = stream.ReadByte();
}
}
catch (Exception ex)
{
// Log.Warn(ex, $"Reading chunk extra data (Loop={loop})");
}
loop++;
}
}
if (stream.Position < stream.Length - 1)
{
Log.Warn(
$"Still have data to read\n{Packet.HexDump(defStream.ReadBytes((int) (stream.Length - stream.Position)))}");
}
if (gotLight)
{
chunkColumn.SkyLightDirty = false;
chunkColumn.BlockLightDirty = false;
}
chunkColumn.CalculateHeight(!gotLight && ClientSideLighting);
//Done processing this chunk, send to world
callback?.Invoke(chunkColumn);
}
}
catch (Exception ex)
{
Log.Error($"Exception in chunk loading: {ex.ToString()}");
}
finally
{
}
}
internal override void SkipTag(NbtBinaryReader readStream)
{
int length = readStream.ReadInt32();
if (length < 0)
{
throw new NbtFormatException("Negative length given in TAG_Byte_Array");
}
readStream.Skip(length);
}
internal override void SkipTag(NbtBinaryReader readStream)
{
readStream.ReadByte();
}
internal abstract bool ReadTag(NbtBinaryReader readStream);
protected void DecodeCert(McpeLogin message)
{
_playerInfo = new PlayerInfo();
// Get bytes
byte[] buffer = message.payload;
//Log.Debug($"Unknown byte in login packet is: {message.unknown}");
if (message.payload.Length != buffer.Length)
{
Log.Debug($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
throw new Exception($"Wrong lenght {message.payload.Length} != {message.payload.Length}");
}
// Decompress bytes
Log.Debug("Lenght: " + message.payload.Length + ", Message: " + Convert.ToBase64String(buffer));
//MemoryStream stream = new MemoryStream(buffer);
//if (stream.ReadByte() != 0x78)
//{
// throw new InvalidDataException("Incorrect ZLib header. Expected 0x78 0x9C");
//}
//stream.ReadByte();
string certificateChain;
string skinData;
//using (var defStream2 = new DeflateStream(stream, CompressionMode.Decompress, false))
{
// Get actual package out of bytes
//using (MemoryStream destination = MiNetServer.MemoryStreamManager.GetStream())
{
//defStream2.CopyTo(destination);
var destination = new MemoryStream(buffer);
destination.Position = 0;
NbtBinaryReader reader = new NbtBinaryReader(destination, false);
try
{
var countCertData = reader.ReadInt32();
Log.Debug("Count cert: " + countCertData);
certificateChain = Encoding.UTF8.GetString(reader.ReadBytes(countCertData));
Log.Debug("Decompressed certificateChain " + certificateChain);
var countSkinData = reader.ReadInt32();
Log.Debug("Count skin: " + countSkinData);
skinData = Encoding.UTF8.GetString(reader.ReadBytes(countSkinData));
Log.Debug("Decompressed skinData" + skinData);
}
catch (Exception e)
{
Log.Error("Parsing login", e);
return;
}
}
}
try
{
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input SKIN string: " + skinData);
}
IDictionary <string, dynamic> headers = JWT.Headers(skinData);
dynamic payload = JObject.Parse(JWT.Payload(skinData));
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Header: {string.Join(";", headers)}");
}
if (Log.IsDebugEnabled)
{
Log.Debug($"Skin JWT Payload:\n{payload.ToString()}");
}
// Skin JWT Payload:
//{
// "ADRole": 2,
// "ClientRandomId": -1256727416,
// "CurrentInputMode": 2,
// "DefaultInputMode": 2,
// "DeviceModel": "SAMSUNG GT-P5210",
// "DeviceOS": 1,
// "GameVersion": "1.0.3.0",
// "GuiScale": 0,
// "ServerAddress": "192.168.0.3:19132",
// "SkinData": 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// "SkinId": "Standard_Custom",
// "TenantId": "",
// "UIProfile": 1
//}
try
{
_playerInfo.ADRole = payload.ADRole;
_playerInfo.ClientId = payload.ClientRandomId;
_playerInfo.CurrentInputMode = payload.CurrentInputMode;
_playerInfo.DefaultInputMode = payload.DefaultInputMode;
_playerInfo.DeviceModel = payload.DeviceModel;
_playerInfo.DeviceOS = payload.DeviceOS;
_playerInfo.GameVersion = payload.GameVersion;
_playerInfo.GuiScale = payload.GuiScale;
_playerInfo.ServerAddress = payload.ServerAddress;
_playerInfo.UIProfile = payload.UIProfile;
_playerInfo.Skin = new Skin()
{
SkinType = payload.SkinId,
Texture = Convert.FromBase64String((string)payload.SkinData),
};
}
catch (Exception e)
{
Log.Error("Skin info", e);
}
}
{
if (Log.IsDebugEnabled)
{
Log.Debug("Input JSON string: " + certificateChain);
}
dynamic json = JObject.Parse(certificateChain);
if (Log.IsDebugEnabled)
{
Log.Debug($"JSON:\n{json}");
}
string validationKey = null;
foreach (dynamic o in json.chain)
{
IDictionary <string, dynamic> headers = JWT.Headers(o.ToString());
if (Log.IsDebugEnabled)
{
Log.Debug("Raw chain element:\n" + o.ToString());
Log.Debug($"JWT Header: {string.Join(";", headers)}");
dynamic jsonPayload = JObject.Parse(JWT.Payload(o.ToString()));
Log.Debug($"JWT Payload:\n{jsonPayload}");
}
// x5u cert (string): MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE8ELkixyLcwlZryUQcu1TvPOmI2B7vX83ndnWRUaXm74wFfa5f/lwQNTfrLVHa2PmenpGI6JhIMUJaWZrjmMj90NoKNFSNBuKdm8rYiXsfaz3K36x/1U26HpG0ZxK/V1V
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
if (Log.IsDebugEnabled)
{
Log.Debug($"x5u cert (string): {certString}");
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(certString);
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Validate
CngKey newKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode <CertificateData>(o.ToString(), newKey);
if (data != null)
{
if (Log.IsDebugEnabled)
{
Log.Debug("Decoded token success");
}
if (CertificateData.MojangRootKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
Log.Debug("Got Mojang key. Is valid = " + data.CertificateAuthority);
validationKey = data.IdentityPublicKey;
}
else if (validationKey != null && validationKey.Equals(certString, StringComparison.InvariantCultureIgnoreCase))
{
_playerInfo.CertificateData = data;
}
else
{
if (data.ExtraData == null)
{
continue;
}
// Self signed, make sure they don't fake XUID
if (data.ExtraData.Xuid != null)
{
Log.Warn("Received fake XUID from " + data.ExtraData.DisplayName);
data.ExtraData.Xuid = null;
}
_playerInfo.CertificateData = data;
}
}
else
{
Log.Error("Not a valid Identity Public Key for decoding");
}
}
}
//TODO: Implement disconnect here
{
_playerInfo.Username = _playerInfo.CertificateData.ExtraData.DisplayName;
_session.Username = _playerInfo.Username;
string identity = _playerInfo.CertificateData.ExtraData.Identity;
if (Log.IsDebugEnabled)
{
Log.Debug($"Connecting user {_playerInfo.Username} with identity={identity}");
}
_playerInfo.ClientUuid = new UUID(identity);
_session.CryptoContext = new CryptoContext
{
UseEncryption = Config.GetProperty("UseEncryptionForAll", false) || (Config.GetProperty("UseEncryption", true) && !string.IsNullOrWhiteSpace(_playerInfo.CertificateData.ExtraData.Xuid)),
};
if (_session.CryptoContext.UseEncryption)
{
ECDiffieHellmanPublicKey publicKey = CryptoUtils.CreateEcDiffieHellmanPublicKey(_playerInfo.CertificateData.IdentityPublicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"Cert:\n{publicKey.ToXmlString()}");
}
// Create shared shared secret
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(384);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
ecKey.SecretPrepend = Encoding.UTF8.GetBytes("RANDOM SECRET"); // Server token
byte[] secret = ecKey.DeriveKeyMaterial(publicKey);
if (Log.IsDebugEnabled)
{
Log.Debug($"SECRET KEY (b64):\n{Convert.ToBase64String(secret)}");
}
{
RijndaelManaged rijAlg = new RijndaelManaged
{
BlockSize = 128,
Padding = PaddingMode.None,
Mode = CipherMode.CFB,
FeedbackSize = 8,
Key = secret,
IV = secret.Take(16).ToArray(),
};
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
MemoryStream inputStream = new MemoryStream();
CryptoStream cryptoStreamIn = new CryptoStream(inputStream, decryptor, CryptoStreamMode.Read);
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
MemoryStream outputStream = new MemoryStream();
CryptoStream cryptoStreamOut = new CryptoStream(outputStream, encryptor, CryptoStreamMode.Write);
_session.CryptoContext.Algorithm = rijAlg;
_session.CryptoContext.Decryptor = decryptor;
_session.CryptoContext.Encryptor = encryptor;
_session.CryptoContext.InputStream = inputStream;
_session.CryptoContext.OutputStream = outputStream;
_session.CryptoContext.CryptoStreamIn = cryptoStreamIn;
_session.CryptoContext.CryptoStreamOut = cryptoStreamOut;
}
var response = McpeServerToClientHandshake.CreateObject();
response.NoBatch = true;
response.ForceClear = true;
response.serverPublicKey = Convert.ToBase64String(ecKey.PublicKey.GetDerEncoded());
response.tokenLength = (short)ecKey.SecretPrepend.Length;
response.token = ecKey.SecretPrepend;
_session.SendPackage(response);
if (Log.IsDebugEnabled)
{
Log.Warn($"Encryption enabled for {_session.Username}");
}
}
}
}
if (!_session.CryptoContext.UseEncryption)
{
_session.MessageHandler.HandleMcpeClientToServerHandshake(null);
}
}
catch (Exception e)
{
Log.Error("Decrypt", e);
}
}
static string GetRootNameInternal(Stream stream, bool bigEndian)
{
Debug.Assert(stream != null);
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
else if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, bigEndian);
return reader.ReadString();
}
