Inital commit

.gitignore

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+/.gradle
+/build
+/out
+.idea
+run

build.gradle

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+buildscript {
+	ext.kotlin_version = '1.2.40'
+	repositories {
+		jcenter()
+		maven {
+			name = "forge"
+			url = "https://files.minecraftforge.net/maven"
+		}
+	}
+	dependencies {
+		classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
+	}
+}
+
+apply plugin: 'net.minecraftforge.gradle.forge'
+apply plugin: 'java'
+
+configurations {
+	shade
+	compile.extendsFrom shade
+}
+
+dependencies {
+	shade 'net.freeutils:jlhttp:2.4'
+}
+
+jar {
+	configurations.shade.each { dep ->
+		from(project.zipTree(dep)){
+			exclude 'META-INF', 'META-INF/**'
+		}
+	}
+}
+
+version = "0.0.1"
+group = "click.vpzom.mods.mcmatrix"
+archivesBaseName = "mcmatrix"
+
+minecraft {
+	version = "1.12.2-14.23.2.2611"
+	runDir = "run"
+	mappings = "snapshot_20171003"
+}
+
+reobf {
+	jar {
+		extraLines "PK: net/freeutils/httpserver click/vpzom/mods/mcmatrix/repack/jlhttp"
+	}
+}
+
+processResources {
+	inputs.property "version", project.version
+	inputs.property "mcversion", project.minecraft.version
+
+	from(sourceSets.main.resources.srcDirs) {
+		include 'mcmod.info'
+		expand 'version':project.version, 'mcversion':project.minecraft.version
+	}
+
+	from(sourceSets.main.resources.srcDirs) {
+		exclude 'mcmod.info'
+	}
+}

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+        fi
+        i=$((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"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+: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

src/main/java/click/vpzom/mods/mcmatrix/MatrixServiceThread.java

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+package click.vpzom.mods.mcmatrix;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Scanner;
+import net.freeutils.httpserver.HTTPServer;
+import net.freeutils.httpserver.HTTPServer.*;
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.util.text.TextComponentString;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+
+public class MatrixServiceThread implements Runnable {
+	private McMatrix mod;
+
+	public MatrixServiceThread(McMatrix mod) {
+		this.mod = mod;
+	}
+
+	public void run() {
+		System.out.println("matrix thread");
+
+		Gson gson = new Gson();
+
+		HTTPServer server = new HTTPServer(mod.cfgPort);
+		VirtualHost host = server.getVirtualHost(null);
+		host.addContext("/transactions", new ContextHandler() {
+			public int serve(Request req, Response resp) throws IOException {
+				System.out.println("got transactions");
+				System.out.println(req);
+				Scanner s = new Scanner(req.getBody()).useDelimiter("\\A");
+				String body = s.next();
+				System.out.println(body);
+				JsonObject obj = gson.fromJson(body, JsonObject.class);
+				JsonArray events = obj.getAsJsonArray("events");
+				for(JsonElement evtE : events) {
+					JsonObject evt = (JsonObject) evtE;
+					String type = evt.get("type").getAsString();
+					System.out.println(type);
+					if("m.room.member".equals(type)) {
+						System.out.println("m.room.member!!");
+						String room = evt.get("room_id").getAsString();
+						System.out.println(room);
+						System.out.println(mod.cfgRoom);
+
+						if(mod.cfgRoom.equals(room)) {
+							joinRoom(mod.cfgRoom);
+						}
+					}
+					if("m.room.message".equals(type)) {
+						System.out.println("m.room.message!!");
+						String room = evt.get("room_id").getAsString();
+						if(mod.cfgRoom.equals(room)) {
+							sendMessageToPlayers(((JsonObject)evt.get("content")).get("body").getAsString(), evt.get("sender").getAsString());
+						}
+					}
+				}
+
+				resp.getHeaders().add("Content-Type", "application/json");
+				resp.send(200, "{}");
+				return 0;
+			}
+		}, "PUT");
+		try {
+			server.start();
+		} catch(IOException e) {
+			System.err.println("Failed to start HTTP server.");
+			e.printStackTrace();
+		}
+	}
+
+	private void joinRoom(String roomID) {
+		System.out.println("joining room " + roomID);
+		try {
+			URLConnection conn = new URL(mod.cfgMatrixHost + "_matrix/client/r0/join/" + roomID).openConnection();
+			((HttpURLConnection) conn).setRequestMethod("POST");
+			conn.setRequestProperty("Authorization", "Bearer " + mod.cfgAccessToken);
+
+			int status = ((HttpURLConnection)conn).getResponseCode();
+			System.out.println("result: " + status);
+		} catch(Exception e) {
+			System.err.println("Failed to join room:");
+			e.printStackTrace();
+		}
+	}
+
+	private void sendMessageToPlayers(String msg, String author) {
+		FMLCommonHandler.instance().getMinecraftServerInstance().getServer().getPlayerList().sendMessage(new TextComponentString("<" + author + "> " + msg), false);
+	}
+}

src/main/java/click/vpzom/mods/mcmatrix/McMatrix.java

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+package click.vpzom.mods.mcmatrix;
+
+import java.util.Map;
+import net.minecraftforge.common.config.Configuration;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import net.minecraftforge.fml.common.network.NetworkCheckHandler;
+import net.minecraftforge.fml.relauncher.Side;
+
+@Mod(modid = McMatrix.MODID, name = "McMatrix", serverSideOnly = true)
+public class McMatrix {
+	public static final String MODID = "mcmatrix";
+
+	protected String cfgMatrixHost;
+	protected int cfgPort;
+	protected String cfgAccessToken;
+	protected String cfgRoom;
+
+	@Mod.EventHandler
+	public void preInit(FMLPreInitializationEvent evt) {
+		System.out.println("preInit");
+
+		Configuration config = new Configuration(evt.getSuggestedConfigurationFile());
+		config.load();
+		cfgMatrixHost = config.get(Configuration.CATEGORY_GENERAL, "matrixHost", "https://localhost:8448").getString() + "/";
+		cfgPort = config.get(Configuration.CATEGORY_GENERAL, "port", 8090).getInt();
+		cfgAccessToken = config.get(Configuration.CATEGORY_GENERAL, "accessToken", "").getString();
+		cfgRoom = config.get(Configuration.CATEGORY_GENERAL, "room", "").getString();
+		config.save();
+	}
+
+	@Mod.EventHandler
+	public void postInit(FMLPostInitializationEvent evt) {
+		System.out.println("postInit");
+		Thread thread = new Thread(new MatrixServiceThread(this));
+		thread.start();
+	}
+
+	@NetworkCheckHandler
+	public static boolean networkCheck(Map<String, String> map, Side side) {
+		return true;
+	}
+}