Upstream/Minestom
1
0
Fork 0
mirror of https://github.com/Minestom/Minestom.git synced 2024-09-21 03:01:05 +02:00
Code Issues Projects Releases Wiki Activity

Add util methods

Browse Source
This commit is contained in:
Noel Németh 2022-06-12 15:15:07 +02:00
parent f81b310748
commit 0a68dacccc
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/main/java/net/minestom/server/network/packet/client/play/ClientCommandChatPacket.java
View File

@ -1,12 +1,19 @@
package net.minestom.server.network.packet.client.play;
import net.minestom.server.command.builder.arguments.Argument;
import net.minestom.server.command.builder.arguments.minecraft.SignableArgument;
import net.minestom.server.crypto.MessageSignature;
import net.minestom.server.network.packet.client.ClientPacket;
import net.minestom.server.utils.binary.BinaryReader;
import net.minestom.server.utils.binary.BinaryWriter;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.time.Instant;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
public record ClientCommandChatPacket(@NotNull String message, long timestamp,
long salt, Map<String, byte[]> signatures,
@ -20,6 +27,27 @@ public record ClientCommandChatPacket(@NotNull String message, long timestamp,
reader.readLong(), readSignature(reader), reader.readBoolean());
}
/**
* Constructs a new {@link MessageSignature} to use in validation
*
* @param signer player's uuid who sent this packet
* @return null if the client didn't sign the parameter
*/
@Contract("_, _ -> new")
public @Nullable MessageSignature signatureOf(String parameterName, UUID signer) {
final byte[] signature = signatures.get(parameterName);
return signature == null ? null : new MessageSignature(signer, Instant.ofEpochMilli(timestamp), salt, signature);
}
/**
* @see #signatureOf(String, UUID)
*/
@SuppressWarnings("ConstantConditions")
@Contract("_, _ -> new")
public <T extends Argument<?> & SignableArgument> @Nullable MessageSignature signatureOf(T argument, UUID signer) {
return signatureOf(argument.getId(), signer);
}
@Override
public void write(@NotNull BinaryWriter writer) {
writer.writeSizedString(message);