Updated Via* API usage

This commit is contained in:
RaphiMC 2023-10-22 11:56:18 +02:00
parent e3651490c5
commit d7211fa33b
No known key found for this signature in database
GPG Key ID: 0F6BB0657A03AC94
18 changed files with 12 additions and 1208 deletions

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/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.mixins;
import com.viaversion.viaversion.api.protocol.AbstractProtocol;
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.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.Protocol1_19_1To1_19;
import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ServerboundPackets1_19_1;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_0;
import org.spongepowered.asm.mixin.Mixin;
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_1To1_19.class, remap = false)
public abstract class MixinProtocol1_19_1To1_19 extends AbstractProtocol<ClientboundPackets1_19, ClientboundPackets1_19_1, ServerboundPackets1_19, ServerboundPackets1_19_1> {
@Inject(method = "registerPackets", at = @At("RETURN"))
private void allowSignatures(CallbackInfo ci) {
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Name
read(Type.OPTIONAL_PROFILE_KEY); // Profile Key
handler(wrapper -> {
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
wrapper.write(Type.OPTIONAL_PROFILE_KEY, chatSession == null ? null : chatSession.getProfileKey()); // Profile Key
});
read(Type.OPTIONAL_UUID); // Profile uuid
}
}, true);
this.registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO.getId(), ClientboundLoginPackets.HELLO.getId(), wrapper -> {
}, true);
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), wrapper -> {
}, true);
this.registerServerbound(ServerboundPackets1_19_1.CHAT_MESSAGE, ServerboundPackets1_19.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Message
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
read(Type.BOOLEAN); // Signed preview
handler(wrapper -> {
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
if (chatSession != null) {
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 MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(message);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, chatSession.signChatMessage(metadata, decoratableMessage)); // Signature
wrapper.write(Type.BOOLEAN, decoratableMessage.isDecorated()); // Signed preview
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, new byte[0]); // Signature
wrapper.write(Type.BOOLEAN, false); // Signed preview
}
});
read(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY); // Last seen messages
read(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE); // Last received message
}
}, true);
}
}

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/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.mixins;
import com.google.common.primitives.Longs;
import com.viaversion.viaversion.api.protocol.AbstractProtocol;
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.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_1to1_19.storage.NonceStorage;
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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_1;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
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;
import java.util.concurrent.ThreadLocalRandom;
@Mixin(value = Protocol1_19_3To1_19_1.class, remap = false)
public abstract class MixinProtocol1_19_3To1_19_1 extends AbstractProtocol<ClientboundPackets1_19_1, ClientboundPackets1_19_3, ServerboundPackets1_19_1, ServerboundPackets1_19_3> {
@Final
@Shadow
private static BitSetType ACKNOWLEDGED_BIT_SET_TYPE;
@Final
@Shadow
private static byte[] EMPTY_BYTES;
@Inject(method = "registerPackets", at = @At("RETURN"))
private void allowSignatures(CallbackInfo ci) {
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Name
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
wrapper.write(Type.OPTIONAL_PROFILE_KEY, chatSession == null ? null : chatSession.getProfileKey()); // Profile Key
});
map(Type.OPTIONAL_UUID); // Profile uuid
}
}, true);
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
handler(wrapper -> {
wrapper.user().put(new NonceStorage(wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE))); // Nonce
});
}
});
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.BYTE_ARRAY_PRIMITIVE); // Public key
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
final byte[] verifyToken = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE); // Verify token
wrapper.write(Type.BOOLEAN, chatSession == null); // is nonce
if (chatSession != null) {
final long salt = ThreadLocalRandom.current().nextLong();
final byte[] signature = chatSession.sign(signer -> {
signer.accept(wrapper.user().get(NonceStorage.class).nonce());
signer.accept(Longs.toByteArray(salt));
});
wrapper.write(Type.LONG, salt); // Salt
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature); // Signature
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, verifyToken); // Nonce
}
});
}
}, true);
this.registerServerbound(ServerboundPackets1_19_3.CHAT_MESSAGE, ServerboundPackets1_19_1.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Message
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
read(Type.OPTIONAL_SIGNATURE_BYTES); // Signature
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (chatSession != null) {
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 MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(message);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, chatSession.signChatMessage(metadata, decoratableMessage, messagesStorage.lastSignatures())); // Signature
wrapper.write(Type.BOOLEAN, decoratableMessage.isDecorated()); // Signed preview
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES); // Signature
wrapper.write(Type.BOOLEAN, false); // Signed preview
}
messagesStorage.resetUnacknowledgedCount();
wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null); // No last unacknowledged
});
read(Type.VAR_INT); // Offset
read(ACKNOWLEDGED_BIT_SET_TYPE); // Acknowledged
}
}, true);
}
}

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/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.transformer;
import com.google.common.primitives.Longs;
import com.viaversion.viabackwards.api.BackwardsProtocol;
import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
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.protocols.base.ClientboundLoginPackets;
import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.ClientboundPackets1_18;
import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.storage.NonceStorage;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
import net.lenni0451.classtransform.InjectionCallback;
import net.lenni0451.classtransform.annotations.CShadow;
import net.lenni0451.classtransform.annotations.CTarget;
import net.lenni0451.classtransform.annotations.CTransformer;
import net.lenni0451.classtransform.annotations.injection.CInject;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_0;
import java.time.Instant;
import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;
@CTransformer(Protocol1_18_2To1_19.class)
public abstract class Protocol1_18_2To1_19Transformer extends BackwardsProtocol<ClientboundPackets1_19, ClientboundPackets1_18, ServerboundPackets1_19, ServerboundPackets1_17> {
@CShadow
private static byte[] EMPTY_BYTES;
@CInject(method = "registerPackets", target = @CTarget("RETURN"))
private void allowSignatures(InjectionCallback ic) {
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Name
handler(wrapper -> {
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
wrapper.write(Type.OPTIONAL_PROFILE_KEY, chatSession == null ? null : chatSession.getProfileKey()); // Profile Key
});
}
}, true);
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
handler(wrapper -> {
wrapper.user().put(new NonceStorage(wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE))); // Nonce
});
}
}, true);
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.BYTE_ARRAY_PRIMITIVE); // Public key
handler(wrapper -> {
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
final byte[] verifyToken = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE); // Verify token
wrapper.write(Type.BOOLEAN, chatSession == null); // is nonce
if (chatSession != null) {
final long salt = ThreadLocalRandom.current().nextLong();
final byte[] signature = chatSession.sign(signer -> {
signer.accept(wrapper.user().get(NonceStorage.class).nonce());
signer.accept(Longs.toByteArray(salt));
});
wrapper.write(Type.LONG, salt); // Salt
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature); // Signature
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, verifyToken); // Nonce
}
});
}
}, true);
this.registerServerbound(ServerboundPackets1_17.CHAT_MESSAGE, ServerboundPackets1_19.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Message
handler(wrapper -> wrapper.write(Type.LONG, Instant.now().toEpochMilli())); // Timestamp
create(Type.LONG, 0L); // Salt
handler(wrapper -> {
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
final String message = wrapper.get(Type.STRING, 0);
if (!message.isEmpty() && message.charAt(0) == '/') {
wrapper.setPacketType(ServerboundPackets1_19.CHAT_COMMAND);
wrapper.set(Type.STRING, 0, message.substring(1));
wrapper.write(Type.VAR_INT, 0); // No signatures
} else {
if (chatSession != null) {
final UUID sender = wrapper.user().getProtocolInfo().getUuid();
final Instant timestamp = Instant.now();
final long salt = ThreadLocalRandom.current().nextLong();
final MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(message);
wrapper.set(Type.LONG, 0, timestamp.toEpochMilli()); // Timestamp
wrapper.set(Type.LONG, 1, salt); // Salt
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, chatSession.signChatMessage(metadata, decoratableMessage)); // Signature
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES); // Signature
}
}
wrapper.write(Type.BOOLEAN, false); // No signed preview
});
}
}, true);
}
}

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/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.transformer;
import com.viaversion.viabackwards.api.BackwardsProtocol;
import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage.ReceivedMessagesStorage;
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.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_19to1_18_2.ClientboundPackets1_19;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
import net.lenni0451.classtransform.InjectionCallback;
import net.lenni0451.classtransform.annotations.CShadow;
import net.lenni0451.classtransform.annotations.CTarget;
import net.lenni0451.classtransform.annotations.CTransformer;
import net.lenni0451.classtransform.annotations.injection.CInject;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_1;
import java.util.UUID;
@CTransformer(Protocol1_19To1_19_1.class)
public abstract class Protocol1_19To1_19_1Transformer extends BackwardsProtocol<ClientboundPackets1_19_1, ClientboundPackets1_19, ServerboundPackets1_19_1, ServerboundPackets1_19> {
@CShadow
private static byte[] EMPTY_BYTES;
@CInject(method = "registerPackets", target = @CTarget("RETURN"))
private void allowSignatures(InjectionCallback ic) {
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Name
read(Type.OPTIONAL_PROFILE_KEY); // Profile Key
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
wrapper.write(Type.OPTIONAL_PROFILE_KEY, chatSession == null ? null : chatSession.getProfileKey()); // Profile Key
wrapper.write(Type.OPTIONAL_UUID, chatSession == null ? null : chatSession.getUuid()); // Profile uuid
});
}
}, true);
this.registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO.getId(), ClientboundLoginPackets.HELLO.getId(), wrapper -> {
}, true);
this.registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), wrapper -> {
}, true);
this.registerServerbound(ServerboundPackets1_19.CHAT_MESSAGE, ServerboundPackets1_19_1.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Message
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
read(Type.BOOLEAN); // Signed preview
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
if (chatSession != null) {
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 MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(message);
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, chatSession.signChatMessage(metadata, decoratableMessage, messagesStorage.lastSignatures())); // Signature
wrapper.write(Type.BOOLEAN, decoratableMessage.isDecorated()); // Signed preview
} else {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES); // Signature
wrapper.write(Type.BOOLEAN, false); // Signed preview
}
messagesStorage.resetUnacknowledgedCount();
wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null); // No last unacknowledged
});
}
}, true);
}
}

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/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.transformer;
import com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.Protocol1_19_1To1_19_3;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ServerboundPackets1_19_3;
import net.lenni0451.classtransform.InjectionCallback;
import net.lenni0451.classtransform.annotations.CTarget;
import net.lenni0451.classtransform.annotations.CTransformer;
import net.lenni0451.classtransform.annotations.injection.CInject;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_3;
@CTransformer(name = "com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.Protocol1_19_1To1_19_3$1")
public abstract class Protocol1_19_1To1_19_3$1Transformer extends PacketHandlers {
@CInject(method = "register", target = @CTarget("RETURN"))
private void allowSignatures(InjectionCallback ic) {
handler(wrapper -> {
final ChatSession1_19_3 chatSession = wrapper.user().get(ChatSession1_19_3.class);
if (chatSession != null) {
final PacketWrapper chatSessionUpdate = wrapper.create(ServerboundPackets1_19_3.CHAT_SESSION_UPDATE);
chatSessionUpdate.write(Type.UUID, chatSession.getSessionId());
chatSessionUpdate.write(Type.PROFILE_KEY, chatSession.getProfileKey());
chatSessionUpdate.sendToServer(Protocol1_19_1To1_19_3.class);
}
});
}
}

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@ -1,75 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.transformer;
import com.viaversion.viabackwards.api.BackwardsProtocol;
import com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.Protocol1_19_1To1_19_3;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
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.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.ServerboundPackets1_19_3;
import net.lenni0451.classtransform.InjectionCallback;
import net.lenni0451.classtransform.annotations.CTarget;
import net.lenni0451.classtransform.annotations.CTransformer;
import net.lenni0451.classtransform.annotations.injection.CInject;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_3;
import java.util.BitSet;
@CTransformer(Protocol1_19_1To1_19_3.class)
public abstract class Protocol1_19_1To1_19_3Transformer extends BackwardsProtocol<ClientboundPackets1_19_3, ClientboundPackets1_19_1, ServerboundPackets1_19_3, ServerboundPackets1_19_1> {
@CInject(method = "registerPackets", target = @CTarget("RETURN"))
private void allowSignatures(InjectionCallback ic) {
this.registerServerbound(ServerboundPackets1_19_1.CHAT_MESSAGE, ServerboundPackets1_19_3.CHAT_MESSAGE, new PacketHandlers() {
@Override
public void register() {
map(Type.STRING); // Message
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
read(Type.BOOLEAN); // Signed preview
read(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY); // Last seen messages
read(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE); // Last received message
handler(wrapper -> {
final ChatSession1_19_3 chatSession = wrapper.user().get(ChatSession1_19_3.class);
if (chatSession != null) {
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 MessageMetadata metadata = new MessageMetadata(null, timestamp, salt);
wrapper.write(Protocol1_19_1To1_19_3.OPTIONAL_SIGNATURE_BYTES_TYPE, chatSession.signChatMessage(metadata, message, new PlayerMessageSignature[0])); // Signature
} else {
wrapper.write(Protocol1_19_1To1_19_3.OPTIONAL_SIGNATURE_BYTES_TYPE, null); // Signature
}
wrapper.write(Type.VAR_INT, 0); // Offset
wrapper.write(new BitSetType(20), new BitSet(20)); // Acknowledged
});
}
}, true);
}
}

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@ -1,49 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model;
import net.lenni0451.mcstructs.text.ATextComponent;
import net.lenni0451.mcstructs.text.components.StringComponent;
public class DecoratableMessage {
private final String plain;
private final ATextComponent decorated;
public DecoratableMessage(final String plain) {
this(plain, new StringComponent(plain));
}
public DecoratableMessage(final String plain, final ATextComponent decorated) {
this.plain = plain;
this.decorated = decorated;
}
public boolean isDecorated() {
return !this.decorated.equals(new StringComponent(this.plain));
}
public String getPlain() {
return this.plain;
}
public ATextComponent getDecorated() {
return this.decorated;
}
}

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@ -1,51 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model;
import java.time.Instant;
import java.util.UUID;
public class MessageMetadata {
private final UUID sender;
private final Instant timestamp;
private final long salt;
public MessageMetadata(final UUID sender, final Instant timestamp, final long salt) {
this.sender = sender;
this.timestamp = timestamp;
this.salt = salt;
}
public MessageMetadata(final UUID sender, final long timestamp, final long salt) {
this(sender, Instant.ofEpochMilli(timestamp), salt);
}
public UUID getSender() {
return this.sender;
}
public Instant getTimestamp() {
return this.timestamp;
}
public long getSalt() {
return this.salt;
}
}

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@ -1,76 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_1;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import net.lenni0451.mcstructs.text.serializer.TextComponentSerializer;
import net.lenni0451.mcstructs.text.utils.JsonUtils;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.util.DataConsumer;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.time.Instant;
public class MessageBody {
private final DecoratableMessage content;
private final Instant timestamp;
private final long salt;
private final PlayerMessageSignature[] lastSeenMessages;
public MessageBody(final DecoratableMessage content, final Instant timestamp, final long salt, final PlayerMessageSignature[] lastSeenMessages) {
this.content = content;
this.timestamp = timestamp;
this.salt = salt;
this.lastSeenMessages = lastSeenMessages;
}
public void update(final DataConsumer dataConsumer) {
try {
final MessageDigest digest = MessageDigest.getInstance("SHA-256");
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
final DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
dataOutputStream.writeLong(this.salt);
dataOutputStream.writeLong(this.timestamp.getEpochSecond());
dataOutputStream.write(this.content.getPlain().getBytes(StandardCharsets.UTF_8));
dataOutputStream.write(70);
if (this.content.isDecorated()) {
dataOutputStream.write(JsonUtils.toSortedString(TextComponentSerializer.V1_18.serializeJson(this.content.getDecorated()), null).getBytes(StandardCharsets.UTF_8));
}
for (PlayerMessageSignature lastSeenMessage : this.lastSeenMessages) {
dataOutputStream.writeByte(70);
dataOutputStream.writeLong(lastSeenMessage.uuid().getMostSignificantBits());
dataOutputStream.writeLong(lastSeenMessage.uuid().getLeastSignificantBits());
dataOutputStream.write(lastSeenMessage.signatureBytes());
}
digest.update(outputStream.toByteArray());
dataConsumer.accept(digest.digest());
} catch (NoSuchAlgorithmException | IOException e) {
throw new RuntimeException(e);
}
}
}

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@ -1,42 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_1;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.util.DataConsumer;
import java.util.UUID;
public class MessageHeader {
private final byte[] precedingSignature;
private final UUID sender;
public MessageHeader(final byte[] precedingSignature, final UUID sender) {
this.precedingSignature = precedingSignature;
this.sender = sender;
}
public void update(final DataConsumer dataConsumer) {
if (this.precedingSignature != null) {
dataConsumer.accept(this.precedingSignature);
}
dataConsumer.accept(this.sender);
}
}

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@ -1,55 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_3;
import com.google.common.primitives.Ints;
import com.google.common.primitives.Longs;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.util.DataConsumer;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
public class MessageBody {
private final String content;
private final Instant timestamp;
private final long salt;
private final PlayerMessageSignature[] lastSeenMessages;
public MessageBody(final String content, final Instant timestamp, final long salt, final PlayerMessageSignature[] lastSeenMessages) {
this.content = content;
this.timestamp = timestamp;
this.salt = salt;
this.lastSeenMessages = lastSeenMessages;
}
public void update(final DataConsumer dataConsumer) {
dataConsumer.accept(Longs.toByteArray(this.salt));
dataConsumer.accept(Longs.toByteArray(this.timestamp.getEpochSecond()));
final byte[] contentData = this.content.getBytes(StandardCharsets.UTF_8);
dataConsumer.accept(Ints.toByteArray(contentData.length));
dataConsumer.accept(contentData);
dataConsumer.accept(Ints.toByteArray(this.lastSeenMessages.length));
for (PlayerMessageSignature messageSignatureData : this.lastSeenMessages) {
dataConsumer.accept(messageSignatureData.signatureBytes());
}
}
}

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@ -1,51 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_3;
import com.google.common.primitives.Ints;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.util.DataConsumer;
import java.util.UUID;
public class MessageLink {
private final int index;
private final UUID sender;
private final UUID sessionId;
public MessageLink(final UUID sender, final UUID sessionId) {
this(0, sender, sessionId);
}
public MessageLink(final int index, final UUID sender, final UUID sessionId) {
this.index = index;
this.sender = sender;
this.sessionId = sessionId;
}
public void update(final DataConsumer dataConsumer) {
dataConsumer.accept(this.sender);
dataConsumer.accept(this.sessionId);
dataConsumer.accept(Ints.toByteArray(this.index));
}
public MessageLink next() {
return this.index == Integer.MAX_VALUE ? null : new MessageLink(this.index + 1, this.sender, this.sessionId);
}
}

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@ -1,69 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage;
import com.viaversion.viaversion.api.connection.StorableObject;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.util.DataConsumer;
import java.security.PrivateKey;
import java.security.Signature;
import java.security.SignatureException;
import java.util.UUID;
import java.util.function.Consumer;
public class ChatSession implements StorableObject {
private final UUID uuid;
private final PrivateKey privateKey;
private final ProfileKey profileKey;
private final Signature signer;
public ChatSession(final UUID uuid, final PrivateKey privateKey, final ProfileKey profileKey) {
this.uuid = uuid;
this.privateKey = privateKey;
this.profileKey = profileKey;
try {
this.signer = Signature.getInstance("SHA256withRSA");
this.signer.initSign(this.privateKey);
} catch (Throwable e) {
throw new RuntimeException("Failed to initialize signature", e);
}
}
public UUID getUuid() {
return this.uuid;
}
public ProfileKey getProfileKey() {
return this.profileKey;
}
public byte[] sign(final Consumer<DataConsumer> dataConsumer) throws SignatureException {
dataConsumer.accept(bytes -> {
try {
this.signer.update(bytes);
} catch (SignatureException e) {
throw new RuntimeException(e);
}
});
return this.signer.sign();
}
}

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@ -1,51 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import net.lenni0451.mcstructs.text.serializer.TextComponentSerializer;
import net.lenni0451.mcstructs.text.utils.JsonUtils;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets;
import java.security.PrivateKey;
import java.security.SignatureException;
import java.util.UUID;
public class ChatSession1_19_0 extends ChatSession {
public ChatSession1_19_0(UUID uuid, PrivateKey privateKey, ProfileKey profileKey) {
super(uuid, privateKey, profileKey);
}
public byte[] signChatMessage(final MessageMetadata metadata, final DecoratableMessage content) throws SignatureException {
return this.sign(signer -> {
final byte[] data = new byte[32];
final ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.BIG_ENDIAN);
buffer.putLong(metadata.getSalt());
buffer.putLong(metadata.getSender().getMostSignificantBits()).putLong(metadata.getSender().getLeastSignificantBits());
buffer.putLong(metadata.getTimestamp().getEpochSecond());
signer.accept(data);
signer.accept(JsonUtils.toSortedString(TextComponentSerializer.V1_18.serializeJson(content.getDecorated()), null).getBytes(StandardCharsets.UTF_8));
});
}
}

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@ -1,50 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.DecoratableMessage;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_1.MessageBody;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_1.MessageHeader;
import java.security.PrivateKey;
import java.security.SignatureException;
import java.util.UUID;
public class ChatSession1_19_1 extends ChatSession {
private byte[] precedingSignature;
public ChatSession1_19_1(UUID uuid, PrivateKey privateKey, ProfileKey profileKey) {
super(uuid, privateKey, profileKey);
}
public byte[] signChatMessage(final MessageMetadata metadata, final DecoratableMessage content, final PlayerMessageSignature[] lastSeenMessages) throws SignatureException {
final byte[] signature = this.sign(signer -> {
final MessageHeader messageHeader = new MessageHeader(this.precedingSignature, metadata.getSender());
final MessageBody messageBody = new MessageBody(content, metadata.getTimestamp(), metadata.getSalt(), lastSeenMessages);
messageHeader.update(signer);
messageBody.update(signer);
});
this.precedingSignature = signature;
return signature;
}
}

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@ -1,65 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage;
import com.google.common.primitives.Ints;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.MessageMetadata;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_3.MessageBody;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.model.chain.v1_19_3.MessageLink;
import java.security.PrivateKey;
import java.security.SignatureException;
import java.util.UUID;
public class ChatSession1_19_3 extends ChatSession {
private final UUID sessionId = UUID.randomUUID();
private MessageLink link;
public ChatSession1_19_3(UUID uuid, PrivateKey privateKey, ProfileKey profileKey) {
super(uuid, privateKey, profileKey);
this.link = new MessageLink(uuid, this.sessionId);
}
public byte[] signChatMessage(final MessageMetadata metadata, final String content, final PlayerMessageSignature[] lastSeenMessages) throws SignatureException {
return this.sign(signer -> {
final MessageLink messageLink = this.nextLink();
final MessageBody messageBody = new MessageBody(content, metadata.getTimestamp(), metadata.getSalt(), lastSeenMessages);
signer.accept(Ints.toByteArray(1));
messageLink.update(signer);
messageBody.update(signer);
});
}
private MessageLink nextLink() {
final MessageLink messageLink = this.link;
if (messageLink != null) {
this.link = messageLink.next();
}
return messageLink;
}
public UUID getSessionId() {
return this.sessionId;
}
}

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@ -1,34 +0,0 @@
/*
* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
* Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.protocolhack.viaproxy.signature.util;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.UUID;
import java.util.function.Consumer;
@FunctionalInterface
public interface DataConsumer extends Consumer<byte[]> {
default void accept(final UUID uuid) {
final byte[] serializedUuid = new byte[16];
ByteBuffer.wrap(serializedUuid).order(ByteOrder.BIG_ENDIAN).putLong(uuid.getMostSignificantBits()).putLong(uuid.getLeastSignificantBits());
this.accept(serializedUuid);
}
}

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@ -20,6 +20,9 @@ package net.raphimc.viaproxy.proxy.external_interface;
import com.google.common.primitives.Longs;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import com.viaversion.viaversion.api.minecraft.signature.storage.ChatSession1_19_0;
import com.viaversion.viaversion.api.minecraft.signature.storage.ChatSession1_19_1;
import com.viaversion.viaversion.api.minecraft.signature.storage.ChatSession1_19_3;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import net.raphimc.mcauth.step.bedrock.StepMCChain;
@ -34,9 +37,6 @@ import net.raphimc.viaproxy.ViaProxy;
import net.raphimc.viaproxy.cli.options.Options;
import net.raphimc.viaproxy.plugins.PluginManager;
import net.raphimc.viaproxy.plugins.events.FillPlayerDataEvent;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_0;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_1;
import net.raphimc.viaproxy.protocolhack.viaproxy.signature.storage.ChatSession1_19_3;
import net.raphimc.viaproxy.proxy.session.ProxyConnection;
import net.raphimc.viaproxy.saves.impl.accounts.Account;
import net.raphimc.viaproxy.saves.impl.accounts.BedrockAccount;
@ -128,6 +128,8 @@ public class ExternalInterface {
public static void signNonce(final byte[] nonce, final C2SLoginKeyPacket1_19 packet, final ProxyConnection proxyConnection) throws InterruptedException, ExecutionException, SignatureException {
Logger.u_info("auth", proxyConnection.getC2P().remoteAddress(), proxyConnection.getGameProfile(), "Requesting nonce signature");
final UserConnection user = proxyConnection.getUserConnection();
if (Options.OPENAUTHMOD_AUTH) {
try {
final ByteBuf response = proxyConnection.sendCustomPayload(OpenAuthModConstants.SIGN_NONCE_CHANNEL, PacketTypes.writeByteArray(Unpooled.buffer(), nonce)).get(5, TimeUnit.SECONDS);
@ -138,18 +140,13 @@ public class ExternalInterface {
} catch (TimeoutException e) {
proxyConnection.kickClient("§cAuthentication cancelled! You need to install OpenAuthMod in order to join this server.");
}
} else if (Options.CHAT_SIGNING) {
final UserConnection user = proxyConnection.getUserConnection();
if (user.has(ChatSession1_19_0.class)) {
final long salt = ThreadLocalRandom.current().nextLong();
packet.signature = user.get(ChatSession1_19_0.class).sign(updater -> {
updater.accept(nonce);
updater.accept(Longs.toByteArray(salt));
});
packet.salt = salt;
} else {
proxyConnection.kickClient("§cFailed to sign nonce");
}
} else if (user.has(ChatSession1_19_0.class)) {
final long salt = ThreadLocalRandom.current().nextLong();
packet.signature = user.get(ChatSession1_19_0.class).sign(updater -> {
updater.accept(nonce);
updater.accept(Longs.toByteArray(salt));
});
packet.salt = salt;
} else {
proxyConnection.kickClient("§cThis server requires a signed nonce. Please enable chat signing in the config and select a valid authentication mode.");
}