61 lines
2.9 KiB
Java
61 lines
2.9 KiB
Java
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package net.minecraft.network.chat;
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import com.google.common.primitives.Ints;
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import com.google.common.primitives.Longs;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import java.nio.charset.StandardCharsets;
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import java.security.SignatureException;
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import java.time.Instant;
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import java.util.Optional;
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import net.minecraft.network.FriendlyByteBuf;
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import net.minecraft.util.ExtraCodecs;
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import net.minecraft.util.SignatureUpdater;
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public record SignedMessageBody(String content, Instant timeStamp, long salt, LastSeenMessages lastSeen) {
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public static final MapCodec<SignedMessageBody> MAP_CODEC = RecordCodecBuilder.mapCodec(
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p_253722_ -> p_253722_.group(
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Codec.STRING.fieldOf("content").forGetter(SignedMessageBody::content),
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ExtraCodecs.INSTANT_ISO8601.fieldOf("time_stamp").forGetter(SignedMessageBody::timeStamp),
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Codec.LONG.fieldOf("salt").forGetter(SignedMessageBody::salt),
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LastSeenMessages.CODEC.optionalFieldOf("last_seen", LastSeenMessages.EMPTY).forGetter(SignedMessageBody::lastSeen)
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)
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.apply(p_253722_, SignedMessageBody::new)
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);
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public static SignedMessageBody unsigned(String p_249884_) {
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return new SignedMessageBody(p_249884_, Instant.now(), 0L, LastSeenMessages.EMPTY);
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}
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public void updateSignature(SignatureUpdater.Output p_249654_) throws SignatureException {
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p_249654_.update(Longs.toByteArray(this.salt));
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p_249654_.update(Longs.toByteArray(this.timeStamp.getEpochSecond()));
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byte[] abyte = this.content.getBytes(StandardCharsets.UTF_8);
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p_249654_.update(Ints.toByteArray(abyte.length));
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p_249654_.update(abyte);
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this.lastSeen.updateSignature(p_249654_);
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}
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public SignedMessageBody.Packed pack(MessageSignatureCache p_253671_) {
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return new SignedMessageBody.Packed(this.content, this.timeStamp, this.salt, this.lastSeen.pack(p_253671_));
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}
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public record Packed(String content, Instant timeStamp, long salt, LastSeenMessages.Packed lastSeen) {
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public Packed(FriendlyByteBuf p_251620_) {
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this(p_251620_.readUtf(256), p_251620_.readInstant(), p_251620_.readLong(), new LastSeenMessages.Packed(p_251620_));
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}
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public void write(FriendlyByteBuf p_250247_) {
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p_250247_.writeUtf(this.content, 256);
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p_250247_.writeInstant(this.timeStamp);
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p_250247_.writeLong(this.salt);
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this.lastSeen.write(p_250247_);
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}
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public Optional<SignedMessageBody> unpack(MessageSignatureCache p_253919_) {
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return this.lastSeen.unpack(p_253919_).map(p_249065_ -> new SignedMessageBody(this.content, this.timeStamp, this.salt, p_249065_));
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}
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}
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}
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