commit ac880d1d91ec53555f2cedacfd6d15cd3520da41 Author: TONY_All Date: Sun Mar 20 15:34:26 2022 +0800 init diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f1ac38c --- /dev/null +++ b/.gitignore @@ -0,0 +1,12 @@ +### Idea Gradle template +### IDEA ### +.idea +*.iml + +### Gradle ### +.gradle +build + + +### Other ### +run \ No newline at end of file diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..41bee8f --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,24 @@ +plugins { + kotlin("jvm") version "1.6.10" + id("io.papermc.paperweight.userdev") version "1.3.3" + id("xyz.jpenilla.run-paper") version "1.0.6" // Adds runServer and runMojangMappedServer tasks for testing + id("net.minecrell.plugin-yml.bukkit") version "0.5.1" // Generates plugin.yml +} + +group = "cc.maxmc.sample" +version = "1.0-XIEYAN" + +repositories { + mavenCentral() +} + +dependencies { + paperDevBundle("1.18.1-R0.1-SNAPSHOT") + implementation(kotlin("stdlib")) +} + +bukkit { + main = "cc.maxmc.sample.PacketSample" + apiVersion = "1.18" + authors = listOf("Author") +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..29e08e8 --- /dev/null +++ b/gradle.properties @@ -0,0 +1 @@ +kotlin.code.style=official \ No newline at end of file diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..7454180 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ffed3a2 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..744e882 --- /dev/null +++ b/gradlew @@ -0,0 +1,185 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MSYS* | MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin or MSYS, switch paths to Windows format before running java +if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=`expr $i + 1` + done + case $i in + 0) set -- ;; + 1) set -- "$args0" ;; + 2) set -- "$args0" "$args1" ;; + 3) set -- "$args0" "$args1" "$args2" ;; + 4) set -- "$args0" "$args1" "$args2" "$args3" ;; + 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=`save "$@"` + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..5fc9b48 --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,8 @@ +pluginManagement { + repositories { + gradlePluginPortal() + maven("https://papermc.io/repo/repository/maven-public/") + } +} + +rootProject.name = "PacketSample" \ No newline at end of file diff --git a/src/main/java/cc/maxmc/sample/PacketSample.java b/src/main/java/cc/maxmc/sample/PacketSample.java new file mode 100644 index 0000000..dc44d7b --- /dev/null +++ b/src/main/java/cc/maxmc/sample/PacketSample.java @@ -0,0 +1,18 @@ +package cc.maxmc.sample; + +import cc.maxmc.sample.listener.ChatListener; +import cc.maxmc.sample.packet.listener.HandleInjectListener; +import org.bukkit.Bukkit; +import org.bukkit.plugin.java.JavaPlugin; + +public class PacketSample extends JavaPlugin { + + @Override + public void onEnable() { + Bukkit.getConsoleSender().sendMessage("§b| §7注入数据包监听器..."); + Bukkit.getPluginManager().registerEvents(new HandleInjectListener(), this); + Bukkit.getConsoleSender().sendMessage("§a| §7成功注入数据包监听器."); + + Bukkit.getPluginManager().registerEvents(new ChatListener(), this); + } +} diff --git a/src/main/java/cc/maxmc/sample/listener/ChatListener.java b/src/main/java/cc/maxmc/sample/listener/ChatListener.java new file mode 100644 index 0000000..528bf4c --- /dev/null +++ b/src/main/java/cc/maxmc/sample/listener/ChatListener.java @@ -0,0 +1,17 @@ +package cc.maxmc.sample.listener; + +import cc.maxmc.sample.packet.events.PacketPlayOutEvent; +import net.minecraft.network.protocol.game.ClientboundChatPacket; +import org.bukkit.event.EventHandler; +import org.bukkit.event.Listener; + +public class ChatListener implements Listener { + @EventHandler + public void onChatPacket(PacketPlayOutEvent packetEvent) { + if (!(packetEvent.getPacket() instanceof ClientboundChatPacket packet)) return; + var name = packetEvent.getPlayer().getName(); + System.out.println(name); + System.out.println("msg: " + packet.getMessage()); + System.out.println("aMsg: " + packet.adventure$message); + } +} diff --git a/src/main/java/cc/maxmc/sample/packet/PacketHandler.java b/src/main/java/cc/maxmc/sample/packet/PacketHandler.java new file mode 100644 index 0000000..6802a88 --- /dev/null +++ b/src/main/java/cc/maxmc/sample/packet/PacketHandler.java @@ -0,0 +1,40 @@ +package cc.maxmc.sample.packet; + +import cc.maxmc.sample.packet.events.PacketPlayInEvent; +import cc.maxmc.sample.packet.events.PacketPlayOutEvent; +import io.netty.channel.ChannelDuplexHandler; +import io.netty.channel.ChannelHandlerContext; +import io.netty.channel.ChannelPromise; +import org.bukkit.Bukkit; +import org.bukkit.entity.Player; + +public class PacketHandler extends ChannelDuplexHandler { + private Player player; + public Player getPlayer() { + return player; + } + + public PacketHandler(Player player) { + this.player = player; + } + + @Override + public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { + var event = new PacketPlayInEvent(player, msg); + Bukkit.getPluginManager().callEvent(event); + if (event.isCancelled()) { + return; + } + super.channelRead(ctx, msg); + } + + @Override + public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception { + var event = new PacketPlayOutEvent(player, msg); + Bukkit.getPluginManager().callEvent(event); + if (event.isCancelled()) { + return; + } + super.write(ctx, event.getPacket(), promise); + } +} \ No newline at end of file diff --git a/src/main/java/cc/maxmc/sample/packet/events/PacketPlayInEvent.java b/src/main/java/cc/maxmc/sample/packet/events/PacketPlayInEvent.java new file mode 100644 index 0000000..885a425 --- /dev/null +++ b/src/main/java/cc/maxmc/sample/packet/events/PacketPlayInEvent.java @@ -0,0 +1,44 @@ +package cc.maxmc.sample.packet.events; + +import org.bukkit.entity.Player; +import org.bukkit.event.Cancellable; +import org.bukkit.event.HandlerList; +import org.bukkit.event.player.PlayerEvent; +import org.jetbrains.annotations.NotNull; + +public class PacketPlayInEvent extends PlayerEvent implements Cancellable { + private static final HandlerList handlerList = new HandlerList(); + private Object packet; + private boolean cancelled = false; + + public PacketPlayInEvent(@NotNull Player who, @NotNull Object packet) { + super(who, true); + this.packet = packet; + } + + @Override + public @NotNull HandlerList getHandlers() { + return handlerList; + } + public @NotNull static HandlerList getHandlerList() { + return handlerList; + } + + public Object getPacket() { + return packet; + } + + public void setPacket(Object packet) { + this.packet = packet; + } + + @Override + public boolean isCancelled() { + return cancelled; + } + + @Override + public void setCancelled(boolean cancelled) { + this.cancelled = cancelled; + } +} diff --git a/src/main/java/cc/maxmc/sample/packet/events/PacketPlayOutEvent.java b/src/main/java/cc/maxmc/sample/packet/events/PacketPlayOutEvent.java new file mode 100644 index 0000000..5d5b9ca --- /dev/null +++ b/src/main/java/cc/maxmc/sample/packet/events/PacketPlayOutEvent.java @@ -0,0 +1,46 @@ +package cc.maxmc.sample.packet.events; + +import org.bukkit.entity.Player; +import org.bukkit.event.Cancellable; +import org.bukkit.event.HandlerList; +import org.bukkit.event.player.PlayerEvent; +import org.jetbrains.annotations.NotNull; + +public class PacketPlayOutEvent extends PlayerEvent implements Cancellable { + private static final HandlerList handlerList = new HandlerList(); + private Object packet; + private boolean cancelled; + + public PacketPlayOutEvent(@NotNull Player who, @NotNull Object packet) { + super(who, true); + this.packet = packet; + } + + public @NotNull + static HandlerList getHandlerList() { + return handlerList; + } + + @Override + public @NotNull HandlerList getHandlers() { + return handlerList; + } + + public Object getPacket() { + return packet; + } + + public void setPacket(Object packet) { + this.packet = packet; + } + + @Override + public boolean isCancelled() { + return cancelled; + } + + @Override + public void setCancelled(boolean cancelled) { + this.cancelled = cancelled; + } +} diff --git a/src/main/java/cc/maxmc/sample/packet/listener/HandleInjectListener.java b/src/main/java/cc/maxmc/sample/packet/listener/HandleInjectListener.java new file mode 100644 index 0000000..27ef670 --- /dev/null +++ b/src/main/java/cc/maxmc/sample/packet/listener/HandleInjectListener.java @@ -0,0 +1,15 @@ +package cc.maxmc.sample.packet.listener; + +import cc.maxmc.sample.packet.PacketHandler; +import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer; +import org.bukkit.event.EventHandler; +import org.bukkit.event.Listener; +import org.bukkit.event.player.PlayerJoinEvent; + +public class HandleInjectListener implements Listener { + @EventHandler + public void onJoin(PlayerJoinEvent e) { + var channel = ((CraftPlayer) e.getPlayer()).getHandle().networkManager.channel; + channel.pipeline().addBefore("packet_handler", "taboolib5_packet_handler", new PacketHandler(e.getPlayer())); + } +}