bd38e0318a
Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
361 Zeilen
19 KiB
Diff
361 Zeilen
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrew Steinborn <git@steinborn.me>
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Date: Mon, 26 Jul 2021 02:15:17 -0400
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Subject: [PATCH] Use Velocity compression and cipher natives
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diff --git a/build.gradle.kts b/build.gradle.kts
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index 5d35409137aff0eab242a0d4eb235e10cb7fe236..9c323b4ad76ee8a6386bca52d56615fd98e6d3cb 100644
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--- a/build.gradle.kts
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+++ b/build.gradle.kts
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@@ -40,6 +40,11 @@ dependencies {
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runtimeOnly("org.xerial:sqlite-jdbc:3.42.0.1")
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runtimeOnly("com.mysql:mysql-connector-j:8.2.0")
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runtimeOnly("com.lmax:disruptor:3.4.4") // Paper
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+ // Paper start - Use Velocity cipher
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+ implementation("com.velocitypowered:velocity-native:3.1.2-SNAPSHOT") {
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+ isTransitive = false
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+ }
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+ // Paper end - Use Velocity cipher
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runtimeOnly("org.apache.maven:maven-resolver-provider:3.9.6")
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runtimeOnly("org.apache.maven.resolver:maven-resolver-connector-basic:1.9.18")
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diff --git a/src/main/java/net/minecraft/network/CipherDecoder.java b/src/main/java/net/minecraft/network/CipherDecoder.java
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index 778beb445eac5769b9e4e07b4d1294c50ae2602b..7b895b6a626da6297f07582e96d98ecfb6c8c951 100644
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--- a/src/main/java/net/minecraft/network/CipherDecoder.java
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+++ b/src/main/java/net/minecraft/network/CipherDecoder.java
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@@ -7,13 +7,29 @@ import java.util.List;
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import javax.crypto.Cipher;
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public class CipherDecoder extends MessageToMessageDecoder<ByteBuf> {
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- private final CipherBase cipher;
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+ private final com.velocitypowered.natives.encryption.VelocityCipher cipher; // Paper - Use Velocity cipher
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- public CipherDecoder(Cipher cipher) {
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- this.cipher = new CipherBase(cipher);
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+ public CipherDecoder(com.velocitypowered.natives.encryption.VelocityCipher cipher) { // Paper - Use Velocity cipher
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+ this.cipher = cipher; // Paper - Use Velocity cipher
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}
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protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
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- list.add(this.cipher.decipher(channelHandlerContext, byteBuf));
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+ // Paper start - Use Velocity cipher
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+ ByteBuf compatible = com.velocitypowered.natives.util.MoreByteBufUtils.ensureCompatible(channelHandlerContext.alloc(), cipher, byteBuf);
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+ try {
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+ cipher.process(compatible);
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+ list.add(compatible);
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+ } catch (Exception e) {
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+ compatible.release(); // compatible will never be used if we throw an exception
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+ throw e;
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+ }
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+ // Paper end - Use Velocity cipher
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}
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+
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+ // Paper start - Use Velocity cipher
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+ @Override
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+ public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
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+ cipher.close();
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+ }
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+ // Paper end - Use Velocity cipher
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}
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diff --git a/src/main/java/net/minecraft/network/CipherEncoder.java b/src/main/java/net/minecraft/network/CipherEncoder.java
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index 0f3d502a9680006bcdcd7d272240a2e5c3b46790..ffa1c48585fbbc1d30826d435043527f6183a3ee 100644
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--- a/src/main/java/net/minecraft/network/CipherEncoder.java
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+++ b/src/main/java/net/minecraft/network/CipherEncoder.java
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@@ -4,15 +4,32 @@ import io.netty.buffer.ByteBuf;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.codec.MessageToByteEncoder;
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import javax.crypto.Cipher;
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+import java.util.List;
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-public class CipherEncoder extends MessageToByteEncoder<ByteBuf> {
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- private final CipherBase cipher;
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+public class CipherEncoder extends io.netty.handler.codec.MessageToMessageEncoder<ByteBuf> { // Paper - Use Velocity cipher; change superclass
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+ private final com.velocitypowered.natives.encryption.VelocityCipher cipher; // Paper - Use Velocity cipher
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- public CipherEncoder(Cipher cipher) {
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- this.cipher = new CipherBase(cipher);
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+ public CipherEncoder(com.velocitypowered.natives.encryption.VelocityCipher cipher) { // Paper - Use Velocity cipher
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+ this.cipher = cipher; // Paper - Use Velocity cipher
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}
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- protected void encode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, ByteBuf byteBuf2) throws Exception {
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- this.cipher.encipher(byteBuf, byteBuf2);
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+ protected void encode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
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+ // Paper start - Use Velocity cipher
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+ ByteBuf compatible = com.velocitypowered.natives.util.MoreByteBufUtils.ensureCompatible(channelHandlerContext.alloc(), cipher, byteBuf);
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+ try {
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+ cipher.process(compatible);
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+ list.add(compatible);
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+ } catch (Exception e) {
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+ compatible.release(); // compatible will never be used if we throw an exception
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+ throw e;
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+ }
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+ // Paper end - Use Velocity cipher
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}
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+
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+ // Paper start - Use Velocity cipher
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+ @Override
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+ public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
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+ cipher.close();
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+ }
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+ // Paper end - Use Velocity cipher
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}
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diff --git a/src/main/java/net/minecraft/network/CompressionDecoder.java b/src/main/java/net/minecraft/network/CompressionDecoder.java
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index 2758c257cb4e2b0497bd9243c635f8fe3dbc414c..2763052eb2d5b8eb432022ab00a417976f4b2927 100644
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--- a/src/main/java/net/minecraft/network/CompressionDecoder.java
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+++ b/src/main/java/net/minecraft/network/CompressionDecoder.java
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@@ -13,13 +13,20 @@ public class CompressionDecoder extends ByteToMessageDecoder {
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public static final int MAXIMUM_COMPRESSED_LENGTH = 2097152;
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public static final int MAXIMUM_UNCOMPRESSED_LENGTH = 8388608;
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private final Inflater inflater;
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+ private final com.velocitypowered.natives.compression.VelocityCompressor compressor; // Paper - Use Velocity cipher
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private int threshold;
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private boolean validateDecompressed;
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+ // Paper start - Use Velocity cipher
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public CompressionDecoder(int compressionThreshold, boolean rejectsBadPackets) {
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+ this(null, compressionThreshold, rejectsBadPackets);
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+ }
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+ public CompressionDecoder(com.velocitypowered.natives.compression.VelocityCompressor compressor, int compressionThreshold, boolean rejectsBadPackets) {
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this.threshold = compressionThreshold;
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this.validateDecompressed = rejectsBadPackets;
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- this.inflater = new Inflater();
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+ this.inflater = compressor == null ? new Inflater() : null;
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+ this.compressor = compressor;
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+ // Paper end - Use Velocity cipher
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}
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protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
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@@ -38,14 +45,42 @@ public class CompressionDecoder extends ByteToMessageDecoder {
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}
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}
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+ if (inflater != null) { // Paper - Use Velocity cipher; fallback to vanilla inflater
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this.setupInflaterInput(byteBuf);
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ByteBuf byteBuf2 = this.inflate(channelHandlerContext, i);
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this.inflater.reset();
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list.add(byteBuf2);
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+ return; // Paper - Use Velocity cipher
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+ } // Paper - use velocity compression
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+
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+ // Paper start - Use Velocity cipher
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+ int claimedUncompressedSize = i; // OBFHELPER
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+ ByteBuf compatibleIn = com.velocitypowered.natives.util.MoreByteBufUtils.ensureCompatible(channelHandlerContext.alloc(), this.compressor, byteBuf);
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+ ByteBuf uncompressed = com.velocitypowered.natives.util.MoreByteBufUtils.preferredBuffer(channelHandlerContext.alloc(), this.compressor, claimedUncompressedSize);
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+ try {
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+ this.compressor.inflate(compatibleIn, uncompressed, claimedUncompressedSize);
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+ list.add(uncompressed);
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+ byteBuf.clear();
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+ } catch (Exception e) {
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+ uncompressed.release();
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+ throw e;
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+ } finally {
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+ compatibleIn.release();
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+ }
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+ // Paper end - Use Velocity cipher
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}
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}
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}
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+ // Paper start - Use Velocity cipher
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+ @Override
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+ public void handlerRemoved0(ChannelHandlerContext ctx) throws Exception {
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+ if (this.compressor != null) {
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+ this.compressor.close();
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+ }
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+ }
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+ // Paper end - Use Velocity cipher
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+
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private void setupInflaterInput(ByteBuf buf) {
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ByteBuffer byteBuffer;
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if (buf.nioBufferCount() > 0) {
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diff --git a/src/main/java/net/minecraft/network/CompressionEncoder.java b/src/main/java/net/minecraft/network/CompressionEncoder.java
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index 859af8c845bae9781a62fa4acae56c6e2d449e10..f67f59f287d9a5cdd685b6b56ed1daf3f091e099 100644
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--- a/src/main/java/net/minecraft/network/CompressionEncoder.java
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+++ b/src/main/java/net/minecraft/network/CompressionEncoder.java
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@@ -6,21 +6,36 @@ import io.netty.handler.codec.MessageToByteEncoder;
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import java.util.zip.Deflater;
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public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
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- private final byte[] encodeBuf = new byte[8192];
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+ private final byte[] encodeBuf; // Paper - Use Velocity cipher
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private final Deflater deflater;
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+ private final com.velocitypowered.natives.compression.VelocityCompressor compressor; // Paper - Use Velocity cipher
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private int threshold;
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+ // Paper start - Use Velocity cipher
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public CompressionEncoder(int compressionThreshold) {
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+ this(null, compressionThreshold);
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+ }
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+ public CompressionEncoder(com.velocitypowered.natives.compression.VelocityCompressor compressor, int compressionThreshold) {
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this.threshold = compressionThreshold;
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- this.deflater = new Deflater();
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+ if (compressor == null) {
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+ this.encodeBuf = new byte[8192];
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+ this.deflater = new Deflater();
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+ } else {
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+ this.encodeBuf = null;
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+ this.deflater = null;
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+ }
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+ this.compressor = compressor;
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+ // Paper end - Use Velocity cipher
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}
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- protected void encode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, ByteBuf byteBuf2) {
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+ protected void encode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, ByteBuf byteBuf2) throws Exception { // Paper - Use Velocity cipher
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int i = byteBuf.readableBytes();
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if (i < this.threshold) {
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VarInt.write(byteBuf2, 0);
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byteBuf2.writeBytes(byteBuf);
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} else {
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+ // Paper start - Use Velocity cipher
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+ if (this.deflater != null) {
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byte[] bs = new byte[i];
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byteBuf.readBytes(bs);
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VarInt.write(byteBuf2, bs.length);
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@@ -33,10 +48,48 @@ public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
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}
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this.deflater.reset();
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+ return;
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+ }
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+
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+ VarInt.write(byteBuf2, i);
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+ ByteBuf compatibleIn = com.velocitypowered.natives.util.MoreByteBufUtils.ensureCompatible(channelHandlerContext.alloc(), this.compressor, byteBuf);
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+ try {
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+ this.compressor.deflate(compatibleIn, byteBuf2);
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+ } finally {
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+ compatibleIn.release();
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+ }
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+ // Paper end - Use Velocity cipher
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}
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}
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+ // Paper start - Use Velocity cipher
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+ @Override
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+ protected ByteBuf allocateBuffer(ChannelHandlerContext ctx, ByteBuf msg, boolean preferDirect) throws Exception{
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+ if (this.compressor != null) {
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+ // We allocate bytes to be compressed plus 1 byte. This covers two cases:
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+ //
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+ // - Compression
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+ // According to https://github.com/ebiggers/libdeflate/blob/master/libdeflate.h#L103,
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+ // if the data compresses well (and we do not have some pathological case) then the maximum
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+ // size the compressed size will ever be is the input size minus one.
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+ // - Uncompressed
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+ // This is fairly obvious - we will then have one more than the uncompressed size.
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+ int initialBufferSize = msg.readableBytes() + 1;
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+ return com.velocitypowered.natives.util.MoreByteBufUtils.preferredBuffer(ctx.alloc(), this.compressor, initialBufferSize);
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+ }
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+
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+ return super.allocateBuffer(ctx, msg, preferDirect);
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+ }
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+
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+ @Override
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+ public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
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+ if (this.compressor != null) {
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+ this.compressor.close();
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+ }
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+ }
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+ // Paper end - Use Velocity cipher
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+
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public int getThreshold() {
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return this.threshold;
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}
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index 7f2aa5e17fe675f3404d67b1794d2ca68b188eb9..fff375fd50fa1a804636a92ded1ae55cff42977d 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -734,11 +734,28 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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return networkmanager;
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}
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- public void setEncryptionKey(Cipher decryptionCipher, Cipher encryptionCipher) {
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- this.encrypted = true;
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- this.channel.pipeline().addBefore("splitter", "decrypt", new CipherDecoder(decryptionCipher));
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- this.channel.pipeline().addBefore("prepender", "encrypt", new CipherEncoder(encryptionCipher));
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+ // Paper start - Use Velocity cipher
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+// public void setEncryptionKey(Cipher decryptionCipher, Cipher encryptionCipher) {
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+// this.encrypted = true;
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+// this.channel.pipeline().addBefore("splitter", "decrypt", new CipherDecoder(decryptionCipher));
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+// this.channel.pipeline().addBefore("prepender", "encrypt", new CipherEncoder(encryptionCipher));
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+// }
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+
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+ public void setupEncryption(javax.crypto.SecretKey key) throws net.minecraft.util.CryptException {
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+ if (!this.encrypted) {
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+ try {
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+ com.velocitypowered.natives.encryption.VelocityCipher decryption = com.velocitypowered.natives.util.Natives.cipher.get().forDecryption(key);
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+ com.velocitypowered.natives.encryption.VelocityCipher encryption = com.velocitypowered.natives.util.Natives.cipher.get().forEncryption(key);
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+
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+ this.encrypted = true;
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+ this.channel.pipeline().addBefore("splitter", "decrypt", new CipherDecoder(decryption));
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+ this.channel.pipeline().addBefore("prepender", "encrypt", new CipherEncoder(encryption));
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+ } catch (java.security.GeneralSecurityException e) {
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+ throw new net.minecraft.util.CryptException(e);
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+ }
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+ }
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}
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+ // Paper end - Use Velocity cipher
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public boolean isEncrypted() {
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return this.encrypted;
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@@ -771,16 +788,17 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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public void setupCompression(int compressionThreshold, boolean rejectsBadPackets) {
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if (compressionThreshold >= 0) {
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+ com.velocitypowered.natives.compression.VelocityCompressor compressor = com.velocitypowered.natives.util.Natives.compress.get().create(io.papermc.paper.configuration.GlobalConfiguration.get().misc.compressionLevel.or(-1)); // Paper - Use Velocity cipher
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if (this.channel.pipeline().get("decompress") instanceof CompressionDecoder) {
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((CompressionDecoder) this.channel.pipeline().get("decompress")).setThreshold(compressionThreshold, rejectsBadPackets);
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} else {
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- this.channel.pipeline().addBefore("decoder", "decompress", new CompressionDecoder(compressionThreshold, rejectsBadPackets));
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+ this.channel.pipeline().addBefore("decoder", "decompress", new CompressionDecoder(compressor, compressionThreshold, rejectsBadPackets)); // Paper - Use Velocity cipher
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}
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if (this.channel.pipeline().get("compress") instanceof CompressionEncoder) {
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((CompressionEncoder) this.channel.pipeline().get("compress")).setThreshold(compressionThreshold);
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} else {
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- this.channel.pipeline().addBefore("encoder", "compress", new CompressionEncoder(compressionThreshold));
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+ this.channel.pipeline().addBefore("encoder", "compress", new CompressionEncoder(compressor, compressionThreshold)); // Paper - Use Velocity cipher
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}
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this.channel.pipeline().fireUserEventTriggered(io.papermc.paper.network.ConnectionEvent.COMPRESSION_THRESHOLD_SET); // Paper - Add Channel initialization listeners
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} else {
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diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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index a4a29a7ea0035ecf4c61ee8547a9eb24acb667d0..586521a2cbb1d4dcfb912029f65e4363ec7674a7 100644
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--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
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@@ -106,6 +106,11 @@ public class ServerConnectionListener {
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ServerConnectionListener.LOGGER.info("Using default channel type");
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}
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+ // Paper start - Use Velocity cipher
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+ ServerConnectionListener.LOGGER.info("Paper: Using " + com.velocitypowered.natives.util.Natives.compress.getLoadedVariant() + " compression from Velocity.");
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+ ServerConnectionListener.LOGGER.info("Paper: Using " + com.velocitypowered.natives.util.Natives.cipher.getLoadedVariant() + " cipher from Velocity.");
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+ // Paper end - Use Velocity cipher
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+
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this.channels.add(((ServerBootstrap) ((ServerBootstrap) (new ServerBootstrap()).channel(oclass)).childHandler(new ChannelInitializer<Channel>() {
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protected void initChannel(Channel channel) {
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Connection.setInitialProtocolAttributes(channel);
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index b8d8f14c30786321949901ca5184c43bee716355..c5fa9f4d28f9a7f64a50a902ee5e631bfc00119c 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -235,12 +235,14 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
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}
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SecretKey secretkey = packet.getSecretKey(privatekey);
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- Cipher cipher = Crypt.getCipher(2, secretkey);
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- Cipher cipher1 = Crypt.getCipher(1, secretkey);
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+ // Paper start - Use Velocity cipher
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+// Cipher cipher = Crypt.getCipher(2, secretkey);
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+// Cipher cipher1 = Crypt.getCipher(1, secretkey);
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+ // Paper end - Use Velocity cipher
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s = (new BigInteger(Crypt.digestData("", this.server.getKeyPair().getPublic(), secretkey))).toString(16);
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this.state = ServerLoginPacketListenerImpl.State.AUTHENTICATING;
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- this.connection.setEncryptionKey(cipher, cipher1);
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+ this.connection.setupEncryption(secretkey); // Paper - Use Velocity cipher
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} catch (CryptException cryptographyexception) {
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throw new IllegalStateException("Protocol error", cryptographyexception);
|
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}
|