Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
2641c02193
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: 69fa4695 Add some missing deprecation annotations f850da2e Update Maven plugins/versions 8d8400db Use regular compiler seeing as ECJ doesn't support Java 21 JRE c29e1688 Revert "BUILDTOOLS-676: Downgrade Maven compiler version" 07bce714 SPIGOT-7355: More field renames and fixes 6a8ea764 Fix bad merge in penultimate commit 50a7920c Fix imports in previous commit 83640dd1 PR-995: Add required feature to MinecraftExperimental for easy lookups fc1f96cf BUILDTOOLS-676: Downgrade Maven compiler version CraftBukkit Changes: 90f1059ba Fix item placement 661afb43c SPIGOT-7633: Clearer error message for missing particle data 807b465b3 SPIGOT-7634: Armadillo updates infrequently 590cf09a8 Fix unit tests always seeing Mojang server as unavailable 7c7ac5eb2 SPIGOT-7636: Fix clearing ItemMeta 4a72905cf SPIGOT-7635: Fix Player#transfer and cookie methods ebb50e136 Fix incorrect Vault implementation b33fed8b7 Update Maven plugins/versions 6f00f0608 SPIGOT-7632: Control middle clicking chest does not copy contents db821f405 Use regular compiler seeing as ECJ doesn't support Java 21 JRE 8a2976737 Revert "BUILDTOOLS-676: Downgrade Maven compiler version" 0297f87bb SPIGOT-7355: More field renames and fixes 2d03bdf6a SPIGOT-7629: Fix loading banner patterns e77951fac Fix equality of deserialized display names c66f3e4fd SPIGOT-7631: Fix deserialisation of BlockStateMeta 9c2c7be8d SPIGOT-7630: Fix crash saving unticked leashed entities 8c1e7c841 PR-1384: Disable certain PlayerProfile tests, if Mojang's services or internet are not available ced93d572 SPIGOT-7626: sendSignChange() has no effect c77362cae SPIGOT-7625: ItemStack with lore cannot be serialized in 1.20.5 ff2004387 SPIGOT-7620: Fix server crash when hoppers transfer items to double chests 8b4abeb03 BUILDTOOLS-676: Downgrade Maven compiler version
376 Zeilen
20 KiB
Diff
376 Zeilen
20 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 41767422b521ff095592d799b14b2f36c3b5c5cb..aab4d1f15745bce838329ba0359e3f9ca70f2e1f 100644
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--- a/build.gradle.kts
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+++ b/build.gradle.kts
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@@ -38,6 +38,11 @@ dependencies {
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implementation("org.spongepowered:configurate-yaml:4.2.0-SNAPSHOT") // Paper - config files
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implementation("commons-lang:commons-lang:2.6")
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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 5927c928b27f64bd3973e95d5867b59f67476d41..ba3619b03ea73e4ea55ae2eb79d3b6cd1f48a191 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 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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@@ -82,7 +117,7 @@ public class CompressionDecoder extends ByteToMessageDecoder {
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}
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}
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- public void setThreshold(int compressionThreshold, boolean rejectsBadPackets) {
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+ public void setThreshold(com.velocitypowered.natives.compression.VelocityCompressor compressor, int compressionThreshold, boolean rejectsBadPackets) { // Paper - Use Velocity cipher
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this.threshold = compressionThreshold;
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this.validateDecompressed = rejectsBadPackets;
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}
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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 34a80d2f34555663ab1b394972957089214cb337..ec30c291188ac3bba7f1c3bc397576d1edb0a57f 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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@@ -6,16 +6,31 @@ 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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+ @javax.annotation.Nullable private final byte[] encodeBuf; // Paper - Use Velocity cipher
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+ @javax.annotation.Nullable // Paper - Use Velocity cipher
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private final Deflater deflater;
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+ @javax.annotation.Nullable // Paper - Use Velocity cipher
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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(@javax.annotation.Nullable 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 > 8388608) {
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throw new IllegalArgumentException("Packet too big (is " + i + ", should be less than 8388608)");
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@@ -24,6 +39,7 @@ public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
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VarInt.write(byteBuf2, 0);
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byteBuf2.writeBytes(byteBuf);
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} else {
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+ if (this.deflater != null) { // Paper - Use Velocity cipher
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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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@@ -36,10 +52,47 @@ public class CompressionEncoder extends MessageToByteEncoder<ByteBuf> {
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}
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this.deflater.reset();
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+ // Paper start - Use Velocity cipher
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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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+ final 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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}
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}
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}
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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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+ final 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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+ // Paper end - Use Velocity cipher
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+ }
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+ }
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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 f94458d4270042062b9ae18931cc8179ef1fb420..63066dfde00569833546da01cd580434f8be6593 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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@@ -763,11 +763,28 @@ 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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@@ -800,12 +817,13 @@ 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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ChannelHandler channelhandler = this.channel.pipeline().get("decompress");
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if (channelhandler instanceof CompressionDecoder) {
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CompressionDecoder packetdecompressor = (CompressionDecoder) channelhandler;
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- packetdecompressor.setThreshold(compressionThreshold, rejectsBadPackets);
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+ packetdecompressor.setThreshold(compressor, compressionThreshold, rejectsBadPackets); // Paper - Use Velocity cipher
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} else {
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this.channel.pipeline().addAfter("splitter", "decompress", new CompressionDecoder(compressionThreshold, rejectsBadPackets));
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}
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@@ -816,7 +834,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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packetcompressor.setThreshold(compressionThreshold);
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} else {
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- this.channel.pipeline().addAfter("prepender", "compress", new CompressionEncoder(compressionThreshold));
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+ this.channel.pipeline().addAfter("prepender", "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 a08d9aa6e420f691795df9b627a9cd5b5c0112c5..52f537b7bfbdeaad9d17c0e88a1ed1c8925a833f 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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try {
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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 3333cb70744dc7ef8b181d332b63766aaaaad11f..765cf12c1558afd9686793b18388fc229c55d2d8 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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@@ -274,12 +274,14 @@ 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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}
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