ViaFabricPlus/src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/viaversion/protocol1_19_3to1_19_1/MixinProtocol1_19_3To1_19_1...

341 lines
18 KiB
Java

/*
* This file is part of ViaFabricPlus - https://github.com/FlorianMichael/ViaFabricPlus
* Copyright (C) 2021-2023 FlorianMichael/MrLookAtMe (EnZaXD) and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.florianmichael.viafabricplus.injection.mixin.fixes.viaversion.protocol1_19_3to1_19_1;
import com.google.common.primitives.Longs;
import com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.storage.NonceStorage;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import com.viaversion.viaversion.api.protocol.AbstractProtocol;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.packet.State;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.api.type.types.BitSetType;
import com.viaversion.viaversion.api.type.types.ByteArrayType;
import com.viaversion.viaversion.libs.gson.JsonElement;
import com.viaversion.viaversion.libs.kyori.adventure.text.Component;
import com.viaversion.viaversion.libs.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ClientboundPackets1_19_1;
import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ServerboundPackets1_19_1;
import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPackets1_19_3;
import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.Protocol1_19_3To1_19_1;
import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ServerboundPackets1_19_3;
import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.storage.ReceivedMessagesStorage;
import com.viaversion.viaversion.util.Pair;
import de.florianmichael.viafabricplus.definition.v1_19_2.model.MessageMetadataModel;
import de.florianmichael.viafabricplus.definition.v1_19_0.provider.CommandArgumentsProvider;
import de.florianmichael.viafabricplus.definition.v1_19_2.storage.ChatSession1_19_2;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import java.util.UUID;
@Mixin(value = Protocol1_19_3To1_19_1.class, remap = false)
public class MixinProtocol1_19_3To1_19_1 extends AbstractProtocol<ClientboundPackets1_19_1, ClientboundPackets1_19_3, ServerboundPackets1_19_1, ServerboundPackets1_19_3> {
@Unique
private static final ByteArrayType.OptionalByteArrayType OPTIONAL_MESSAGE_SIGNATURE_BYTES_TYPE = new ByteArrayType.OptionalByteArrayType(256);
@Unique
private static final ByteArrayType MESSAGE_SIGNATURE_BYTES_TYPE = new ByteArrayType(256);
@Unique
private static final BitSetType ACKNOWLEDGED_BIT_SET_TYPE = new BitSetType(20);
@Unique
private static final UUID ZERO_UUID = new UUID(0, 0);
@Inject(method = "registerPackets", at = @At("RETURN"))
public void fixKeys(CallbackInfo ci) {
this.registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO.getId(), ClientboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Server-ID
map(Type.BYTE_ARRAY_PRIMITIVE); // Public Key
map(Type.BYTE_ARRAY_PRIMITIVE); // Nonce
handler(wrapper -> wrapper.user().put(new NonceStorage(wrapper.get(Type.BYTE_ARRAY_PRIMITIVE, 1))));
}
}, true);
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING);
handler(wrapper -> {
final UUID uuid = wrapper.read(Type.OPTIONAL_UUID);
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
wrapper.write(Type.OPTIONAL_PROFILE_KEY, chatSession1192 != null ? chatSession1192.getProfileKey() : null);
wrapper.write(Type.OPTIONAL_UUID, uuid);
});
}
}, true);
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.BYTE_ARRAY_PRIMITIVE); // Keys
create(Type.BOOLEAN, true); // Is nonce
// Removing new nonce if chat session is connected
handler(wrapper -> {
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 != null) {
wrapper.read(Type.BYTE_ARRAY_PRIMITIVE); // Encrypted Nonce
}
});
// Writing original packet data if chat session is connected
handler(wrapper -> {
final NonceStorage nonceStorage = wrapper.user().get(NonceStorage.class);
if (nonceStorage != null) {
final byte[] nonce = nonceStorage.nonce();
if (nonce == null) {
throw new IllegalStateException("Didn't tracked the packet nonce???");
}
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 != null) {
wrapper.set(Type.BOOLEAN, 0, false); // Now it's a nonce
final long salt = ChatSession1_19_2.SECURE_RANDOM.nextLong();
final byte[] signedNonce = chatSession1192.getSigner().sign(updater -> {
if (updater != null) {
updater.update(nonce);
updater.update(Longs.toByteArray(salt));
}
});
wrapper.write(Type.LONG, salt);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signedNonce);
}
}
});
}
}, true);
this.registerClientbound(ClientboundPackets1_19_1.PLAYER_CHAT, ClientboundPackets1_19_3.DISGUISED_CHAT, new PacketHandlers() {
@Override
public void register() {
read(Type.OPTIONAL_BYTE_ARRAY_PRIMITIVE); // Previous signature
handler(wrapper -> {
final PlayerMessageSignature signature = wrapper.read(Type.PLAYER_MESSAGE_SIGNATURE);
// Store message signature for last seen
if (!signature.uuid().equals(ZERO_UUID) && signature.signatureBytes().length != 0) {
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (messagesStorage != null) {
messagesStorage.add(signature);
if (messagesStorage.tickUnacknowledged() > 64) {
messagesStorage.resetUnacknowledgedCount();
// Send chat acknowledgement
final PacketWrapper chatAckPacket = wrapper.create(ServerboundPackets1_19_1.CHAT_ACK);
chatAckPacket.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null);
chatAckPacket.sendToServer(Protocol1_19_3To1_19_1.class);
}
}
}
final String plainMessage = wrapper.read(Type.STRING);
JsonElement decoratedMessage = wrapper.read(Type.OPTIONAL_COMPONENT);
wrapper.read(Type.LONG); // Timestamp
wrapper.read(Type.LONG); // Salt
wrapper.read(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY); // Last seen
final JsonElement unsignedMessage = wrapper.read(Type.OPTIONAL_COMPONENT);
if (unsignedMessage != null) {
decoratedMessage = unsignedMessage;
}
if (decoratedMessage == null) {
decoratedMessage = GsonComponentSerializer.gson().serializeToTree(Component.text(plainMessage));
}
final int filterMaskType = wrapper.read(Type.VAR_INT);
if (filterMaskType == 2) { // Partially filtered
wrapper.read(Type.LONG_ARRAY_PRIMITIVE); // Mask
}
wrapper.write(Type.COMPONENT, decoratedMessage);
// Keep chat type at the end
});
}
}, true);
registerServerbound(ServerboundPackets1_19_3.CHAT_COMMAND, ServerboundPackets1_19_1.CHAT_COMMAND, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Command
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
map(Type.VAR_INT); // Signatures
// Signature removing if we have a chat session
handler(wrapper -> {
final int signatures = wrapper.get(Type.VAR_INT, 0);
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 != null) {
final CommandArgumentsProvider commandArgumentsProvider = Via.getManager().getProviders().get(CommandArgumentsProvider.class);
if (commandArgumentsProvider != null) {
for (int i = 0; i < signatures; i++) {
wrapper.read(Type.STRING); // Argument name
wrapper.read(MESSAGE_SIGNATURE_BYTES_TYPE); // Signature
}
return;
}
}
for (int i = 0; i < signatures; i++) {
wrapper.passthrough(Type.STRING); // Argument name
// Signature
wrapper.read(MESSAGE_SIGNATURE_BYTES_TYPE);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, new byte[0]);
}
});
// Removing new acknowledgement
handler(wrapper -> {
wrapper.read(Type.VAR_INT); // Offset
wrapper.read(ACKNOWLEDGED_BIT_SET_TYPE); // Acknowledged
});
// Signing all arguments
handler(wrapper -> {
final UUID sender = wrapper.user().getProtocolInfo().getUuid();
final String command = wrapper.get(Type.STRING, 0);
final long timestamp = wrapper.get(Type.LONG, 0);
final long salt = wrapper.get(Type.LONG, 1);
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 != null) {
if (sender == null) {
throw new IllegalStateException("ViaVersion didn't track the connected UUID correctly, please check your BaseProtocol1_7");
}
final CommandArgumentsProvider commandArgumentsProvider = Via.getManager().getProviders().get(CommandArgumentsProvider.class);
if (commandArgumentsProvider != null) {
// Signing arguments
{
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (messagesStorage != null) {
for (Pair<String, String> argument : commandArgumentsProvider.getSignedArguments(command)) {
final byte[] signature = chatSession1192.sign(
sender,
new MessageMetadataModel(
argument.value(),
timestamp,
salt
),
messagesStorage.lastSignatures()
);
wrapper.write(Type.STRING, argument.key());
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature);
}
}
}
}
}
wrapper.write(Type.BOOLEAN, false); // No signed preview
});
// Adding old acknowledgement
handler(wrapper -> {
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (messagesStorage != null) {
messagesStorage.resetUnacknowledgedCount();
wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null);
}
});
}
}, true);
registerServerbound(ServerboundPackets1_19_3.CHAT_MESSAGE, ServerboundPackets1_19_1.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Command
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
handler(wrapper -> {
wrapper.read(OPTIONAL_MESSAGE_SIGNATURE_BYTES_TYPE); // Signature
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 == null) {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, new byte[0]); // Signature
wrapper.write(Type.BOOLEAN, false); // No signed preview
}
});
// Emulate old Message chain
handler(wrapper -> {
final UUID sender = wrapper.user().getProtocolInfo().getUuid();
final String message = wrapper.get(Type.STRING, 0);
final long timestamp = wrapper.get(Type.LONG, 0);
final long salt = wrapper.get(Type.LONG, 1);
final ChatSession1_19_2 chatSession1192 = wrapper.user().get(ChatSession1_19_2.class);
if (chatSession1192 != null) {
if (sender == null) {
throw new IllegalStateException("ViaVersion didn't track the connected UUID correctly, please check your BaseProtocol1_7");
}
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (messagesStorage != null) {
final byte[] signature = chatSession1192.sign(
sender,
new MessageMetadataModel(
message,
timestamp,
salt
),
messagesStorage.lastSignatures()
);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature);
wrapper.write(Type.BOOLEAN, false); // Signed Preview - not implemented yet, but i could do it
}
}
});
// Removing new acknowledgement
handler(wrapper -> {
wrapper.read(Type.VAR_INT); // Offset
wrapper.read(ACKNOWLEDGED_BIT_SET_TYPE); // Acknowledged
});
// Adding old acknowledgement
handler(wrapper -> {
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (messagesStorage != null) {
messagesStorage.resetUnacknowledgedCount();
wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null);
}
});
}
}, true);
}
}