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Fix 1.19.3 message signature issue

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This commit is contained in:
BruceChen 2023-01-29 22:39:11 +08:00
parent 8cdd32a52a
commit 3735cab9dd
5 changed files with 52 additions and 16 deletions
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41
MinecraftClient/Protocol/Handlers/Protocol18.cs
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@ -75,8 +75,9 @@ namespace MinecraftClient.Protocol.Handlers
private readonly BlockingCollection<Tuple<int, Queue<byte>>> packetQueue = new();
private float LastYaw, LastPitch;
private bool receiveDeclareCommands = false, receivePlayerInfo = false;
private object MessageSigningLock = new();
private Guid chatUuid = Guid.Empty;
private Guid chatUuid = Guid.NewGuid();
private int pendingAcknowledgments = 0, messageIndex = 0;
private LastSeenMessagesCollector lastSeenMessagesCollector;
private LastSeenMessageList.AcknowledgedMessage? lastReceivedMessage = null;
@ -367,7 +368,19 @@ namespace MinecraftClient.Protocol.Handlers
SendPacket(PacketTypesOut.Pong, packetData);
break;
case PacketTypesIn.JoinGame:
{ // Temporary fix
log.Debug("Receive JoinGame");
receiveDeclareCommands = receivePlayerInfo = false;
messageIndex = 0;
pendingAcknowledgments = 0;
lastReceivedMessage = null;
lastSeenMessagesCollector = protocolVersion >= MC_1_19_3_Version ? new(20) : new(5);
}
handler.OnGameJoined(isOnlineMode);
int playerEntityID = dataTypes.ReadNextInt(packetData);
handler.OnReceivePlayerEntityID(playerEntityID);
@ -467,8 +480,11 @@ namespace MinecraftClient.Protocol.Handlers
case PacketTypesIn.DeclareCommands:
if (protocolVersion >= MC_1_19_Version)
{
log.Debug("Receive DeclareCommands");
DeclareCommands.Read(dataTypes, packetData, protocolVersion);
handler.OnDeclareCommands();
receiveDeclareCommands = true;
if (receivePlayerInfo)
handler.SetCanSendMessage(true);
}
break;
case PacketTypesIn.ChatMessage:
@ -1404,10 +1420,28 @@ namespace MinecraftClient.Protocol.Handlers
byte[] encodedPublicKey = dataTypes.ReadNextByteArray(packetData);
byte[] publicKeySignature = dataTypes.ReadNextByteArray(packetData);
player.SetPublicKey(chatUuid, publicKeyExpiryTime, encodedPublicKey, publicKeySignature);
if (playerUuid == handler.GetUserUuid())
{
log.Debug("Receive ChatUuid = " + chatUuid);
this.chatUuid = chatUuid;
}
}
else
{
player.ClearPublicKey();
if (playerUuid == handler.GetUserUuid())
{
log.Debug("Receive ChatUuid = Empty");
}
}
if (playerUuid == handler.GetUserUuid())
{
receivePlayerInfo = true;
if (receiveDeclareCommands)
handler.SetCanSendMessage(true);
}
}
if ((actionBitset & 1 << 2) > 0) // Actions bit 2: update gamemode
@ -3392,7 +3426,6 @@ namespace MinecraftClient.Protocol.Handlers
{
List<byte> packet = new();
chatUuid = Guid.NewGuid();
packet.AddRange(DataTypes.GetUUID(chatUuid));
packet.AddRange(DataTypes.GetLong(playerKeyPair.GetExpirationMilliseconds()));
packet.AddRange(DataTypes.GetVarInt(playerKeyPair.PublicKey.Key.Length));
@ -3400,6 +3433,8 @@ namespace MinecraftClient.Protocol.Handlers
packet.AddRange(DataTypes.GetVarInt(playerKeyPair.PublicKey.SignatureV2!.Length));
packet.AddRange(playerKeyPair.PublicKey.SignatureV2);
log.Debug($"SendPlayerSession MessageUUID = {chatUuid.ToString()}, len(PublicKey) = {playerKeyPair.PublicKey.Key.Length}, len(SignatureV2) = {playerKeyPair.PublicKey.SignatureV2!.Length}");
SendPacket(PacketTypesOut.PlayerSession, packet);
return true;
}