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Implement provider to allow signed commands in 1.19.x protocols (#3493)

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EnZaXD 2023-10-24 02:04:54 +02:00 committed by GitHub
parent 0f030c86a7
commit abe880dae6
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3 changed files with 97 additions and 5 deletions
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37
api/src/main/java/com/viaversion/viaversion/api/minecraft/signature/SignableCommandArgumentsProvider.java Normal file
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@ -0,0 +1,37 @@
/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2023 ViaVersion and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.viaversion.viaversion.api.minecraft.signature;
import com.viaversion.viaversion.api.platform.providers.Provider;
import com.viaversion.viaversion.util.Pair;
import java.util.List;
public abstract class SignableCommandArgumentsProvider implements Provider {
/**
* @param command The command to get the signable arguments for.
* @return The signable arguments for the command.
*/
public abstract List<Pair<String, String>> getSignableArguments(final String command);
}

33
common/src/main/java/com/viaversion/viaversion/protocols/protocol1_19_1to1_19/Protocol1_19_1To1_19.java
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@ -24,6 +24,7 @@ import com.google.gson.JsonElement;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.ProfileKey;
import com.viaversion.viaversion.api.minecraft.signature.SignableCommandArgumentsProvider;
import com.viaversion.viaversion.api.minecraft.signature.model.DecoratableMessage;
import com.viaversion.viaversion.api.minecraft.signature.model.MessageMetadata;
import com.viaversion.viaversion.api.minecraft.signature.storage.ChatSession1_19_0;
@ -44,6 +45,7 @@ import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.storage.NonceSto
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
import com.viaversion.viaversion.util.CipherUtil;
import com.viaversion.viaversion.util.Pair;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.ArrayList;
@ -165,10 +167,35 @@ public final class Protocol1_19_1To1_19 extends AbstractProtocol<ClientboundPack
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
handler(wrapper -> {
final int signatures = wrapper.passthrough(Type.VAR_INT);
final ChatSession1_19_0 chatSession = wrapper.user().get(ChatSession1_19_0.class);
final SignableCommandArgumentsProvider argumentsProvider = Via.getManager().getProviders().get(SignableCommandArgumentsProvider.class);
final int signatures = wrapper.read(Type.VAR_INT);
for (int i = 0; i < signatures; i++) {
wrapper.passthrough(Type.STRING); // Argument name
wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE); // Signature
wrapper.read(Type.STRING); // Argument name
wrapper.read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
}
if (chatSession != null && argumentsProvider != 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 List<Pair<String, String>> arguments = argumentsProvider.getSignableArguments(message);
wrapper.write(Type.VAR_INT, arguments.size()); // Signature count
for (Pair<String, String> argument : arguments) {
final MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(argument.value());
final byte[] signature = chatSession.signChatMessage(metadata, decoratableMessage);
wrapper.write(Type.STRING, argument.key()); // Argument name
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature); // Signature
}
} else {
wrapper.write(Type.VAR_INT, 0); // Signature count
}
});
map(Type.BOOLEAN); // Signed preview

32
common/src/main/java/com/viaversion/viaversion/protocols/protocol1_19_3to1_19_1/Protocol1_19_3To1_19_1.java
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@ -19,12 +19,14 @@ package com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1;
import com.google.common.primitives.Longs;
import com.google.gson.JsonElement;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.data.MappingData;
import com.viaversion.viaversion.api.data.MappingDataBase;
import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
import com.viaversion.viaversion.api.minecraft.RegistryType;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_19_3;
import com.viaversion.viaversion.api.minecraft.signature.SignableCommandArgumentsProvider;
import com.viaversion.viaversion.api.minecraft.signature.model.DecoratableMessage;
import com.viaversion.viaversion.api.minecraft.signature.model.MessageMetadata;
import com.viaversion.viaversion.api.minecraft.signature.storage.ChatSession1_19_1;
@ -51,7 +53,9 @@ import com.viaversion.viaversion.rewriter.CommandRewriter;
import com.viaversion.viaversion.rewriter.SoundRewriter;
import com.viaversion.viaversion.rewriter.StatisticsRewriter;
import com.viaversion.viaversion.rewriter.TagRewriter;
import com.viaversion.viaversion.util.Pair;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;
@ -217,16 +221,40 @@ public final class Protocol1_19_3To1_19_1 extends AbstractProtocol<ClientboundPa
map(Type.LONG); // Timestamp
map(Type.LONG); // Salt
handler(wrapper -> {
final ChatSession1_19_1 chatSession = wrapper.user().get(ChatSession1_19_1.class);
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
final int signatures = wrapper.read(Type.VAR_INT);
wrapper.write(Type.VAR_INT, 0);
for (int i = 0; i < signatures; i++) {
wrapper.read(Type.STRING); // Argument name
wrapper.read(Type.SIGNATURE_BYTES); // Signature
}
final SignableCommandArgumentsProvider argumentsProvider = Via.getManager().getProviders().get(SignableCommandArgumentsProvider.class);
if (chatSession != null && argumentsProvider != 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 List<Pair<String, String>> arguments = argumentsProvider.getSignableArguments(message);
wrapper.write(Type.VAR_INT, arguments.size()); // Signature count
for (Pair<String, String> argument : arguments) {
final MessageMetadata metadata = new MessageMetadata(sender, timestamp, salt);
final DecoratableMessage decoratableMessage = new DecoratableMessage(argument.value());
final byte[] signature = chatSession.signChatMessage(metadata, decoratableMessage, messagesStorage.lastSignatures());
wrapper.write(Type.STRING, argument.key()); // Argument name
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, signature); // Signature
}
} else {
wrapper.write(Type.VAR_INT, 0); // Signature count
}
wrapper.write(Type.BOOLEAN, false); // No signed preview
final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
messagesStorage.resetUnacknowledgedCount();
wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null); // No last unacknowledged