first commit

.gitignore

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+.gradle
+.idea
+build

LICENSE

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+MIT License
+
+Copyright (c) ZekerZhayard
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

build.gradle

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This is a general purpose Gradle build.
+ * Learn how to create Gradle builds at https://guides.gradle.org/creating-new-gradle-builds/
+ */
+
+buildscript {
+    repositories {
+        mavenCentral()
+        jcenter()
+        maven {
+            name = "forge"
+            url = "https://files.minecraftforge.net/maven"
+        }
+    }
+}
+
+apply plugin: "base"
+apply plugin: "java"
+apply plugin: "idea"
+
+sourceCompatibility = targetCompatibility = 1.8
+
+version = "1.0.0"
+group = "io.github.zekerzhayard"
+archivesBaseName = rootProject.name
+
+repositories {
+    mavenCentral()
+    jcenter()
+    maven {
+        name = "forge"
+        url = "https://files.minecraftforge.net/maven"
+    }
+}
+
+dependencies {
+    compile "commons-codec:commons-codec:1.10"
+    compile "cpw.mods:modlauncher:5.0.0-milestone.4"
+    compile "net.minecraftforge:forge:1.15.1-30.0.16:installer"
+}
+
+jar {
+    manifest.attributes(
+            "Main-Class": "io.github.zekerzhayard.forgewrapper.Main"
+    )
+}

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-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

settings.gradle

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+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ * 
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user guide at https://docs.gradle.org/4.10.3/userguide/multi_project_builds.html
+ */
+
+rootProject.name = 'ForgeWrapper'

src/main/java/io/github/zekerzhayard/forgewrapper/Main.java

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+package io.github.zekerzhayard.forgewrapper;
+
+import java.io.File;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import cpw.mods.modlauncher.Launcher;
+import io.github.zekerzhayard.forgewrapper.installer.Download;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        URL[] urls = Utils.getURLs(new ArrayList<>());
+        Pattern pattern = Pattern.compile("forge\\-(?<mcVersion>[0-9\\.]+)\\-(?<forgeVersion>[0-9\\.]+)\\-launcher\\.jar");
+        String version = "";
+        for (URL url : urls) {
+            Matcher matcher = pattern.matcher(url.getFile());
+            if (matcher.find() && url.getFile().endsWith(matcher.group(0))) {
+                version = matcher.group("mcVersion") + "-" + matcher.group("forgeVersion");
+                String installerUrl = String.format("https://files.minecraftforge.net/maven/net/minecraftforge/forge/%s/forge-%s-installer.jar", version, version);
+                Download.download(installerUrl, String.format("./.forgewrapper/forge-%s-installer.jar", version));
+                break;
+            }
+        }
+
+        URLClassLoader ucl = URLClassLoader.newInstance(new URL[] {
+            Main.class.getProtectionDomain().getCodeSource().getLocation(),
+            new File(String.format("./.forgewrapper/forge-%s-installer.jar", version)).toURI().toURL()
+        }, null);
+
+        Class<?> installer = ucl.loadClass("io.github.zekerzhayard.forgewrapper.installer.Installer");
+        if (!(boolean) installer.getMethod("install").invoke(null)) {
+            return;
+        }
+        List<String> argsList = Stream.of(args).collect(Collectors.toList());
+        argsList.add("--launchTarget");
+        argsList.add("fmlclient");
+        argsList.add("--fml.forgeVersion");
+        argsList.add((String) installer.getMethod("getForgeVersion").invoke(null));
+        argsList.add("--fml.mcVersion");
+        argsList.add((String) installer.getMethod("getMcVersion").invoke(null));
+        argsList.add("--fml.forgeGroup");
+        argsList.add("net.minecraftforge");
+        argsList.add("--fml.mcpVersion");
+        argsList.add((String) installer.getMethod("getMcpVersion").invoke(null));
+
+        Launcher.main(argsList.toArray(new String[0]));
+    }
+}

src/main/java/io/github/zekerzhayard/forgewrapper/Utils.java

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+package io.github.zekerzhayard.forgewrapper;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class Utils {
+    public static URL[] getURLs(List<String> blackList) {
+        ClassLoader cl = Utils.class.getClassLoader();
+        List<URL> urls = new ArrayList<>();
+        if (cl instanceof URLClassLoader) {
+            urls.addAll(Stream.of(((URLClassLoader) cl).getURLs()).filter(url -> blackList.stream().noneMatch(str -> url.getFile().endsWith(str))).collect(Collectors.toList()));
+        } else {
+            String[] elements = System.getProperty("java.class.path").split(File.pathSeparator);
+
+            for (String ele : elements) {
+                try {
+                    if (blackList.stream().noneMatch(ele::endsWith)) {
+                        urls.add(new File(ele).toURI().toURL());
+                    }
+                } catch (MalformedURLException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        return urls.toArray(new URL[0]);
+    }
+
+    public static File getLibrariesDir() throws URISyntaxException {
+        File wrapper = new File(Utils.class.getProtectionDomain().getCodeSource().getLocation().toURI());
+        // see https://github.com/MinecraftForge/MinecraftForge/blob/863ab2ca184cf2e2dfa134d07bfc20d6a9a6a4e8/src/main/java/net/minecraftforge/fml/relauncher/libraries/LibraryManager.java#L151
+        //                          <version>       ForgeWrapper    ZekerZhayard    github          com             libraries
+        return wrapper.getParentFile().getParentFile().getParentFile().getParentFile().getParentFile().getParentFile();
+    }
+}

src/main/java/io/github/zekerzhayard/forgewrapper/installer/ClientInstall4MultiMC.java

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+package io.github.zekerzhayard.forgewrapper.installer;
+
+import java.io.File;
+import java.net.URISyntaxException;
+import java.util.function.Predicate;
+
+import io.github.zekerzhayard.forgewrapper.Utils;
+import net.minecraftforge.installer.actions.ActionCanceledException;
+import net.minecraftforge.installer.actions.ClientInstall;
+import net.minecraftforge.installer.actions.ProgressCallback;
+import net.minecraftforge.installer.json.Install;
+
+public class ClientInstall4MultiMC extends ClientInstall {
+    public ClientInstall4MultiMC(Install profile, ProgressCallback monitor) {
+        super(profile, monitor);
+    }
+
+    @Override
+    public boolean run(File target, Predicate<String> optionals) throws ActionCanceledException {
+        try {
+            File librariesDir = Utils.getLibrariesDir();
+            File clientTarget = new File(String.format("%s/com/mojang/minecraft/%s/minecraft-%s-client.jar", librariesDir.getAbsolutePath(), this.profile.getMinecraft(), this.profile.getMinecraft()));
+
+            if (!this.downloadLibraries(librariesDir, optionals)) {
+                return false;
+            }
+            if (!this.processors.process(librariesDir, clientTarget)) {
+                return false;
+            }
+        } catch (URISyntaxException e) {
+            return false;
+        }
+        return true;
+    }
+}

src/main/java/io/github/zekerzhayard/forgewrapper/installer/Download.java

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+package io.github.zekerzhayard.forgewrapper.installer;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.Locale;
+
+import org.apache.commons.codec.digest.DigestUtils;
+
+public class Download {
+    public static void download(String url, String location) throws IOException {
+        File localFile = new File(location);
+        localFile.getParentFile().mkdirs();
+        if (localFile.isFile()) {
+            try {
+                Files.copy(new URL(url + ".md5").openConnection().getInputStream(), Paths.get(location + ".md5"), StandardCopyOption.REPLACE_EXISTING);
+                Files.copy(new URL(url + ".sha1").openConnection().getInputStream(), Paths.get(location + ".sha1"), StandardCopyOption.REPLACE_EXISTING);
+                String md5 = new String(Files.readAllBytes(Paths.get(location + ".md5")));
+                String sha1 = new String(Files.readAllBytes(Paths.get(location + ".sha1")));
+                if (!checkMD5(location, md5) || !checkSHA1(location, sha1)) {
+                    localFile.delete();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        if (!localFile.isFile()) {
+            if (localFile.isDirectory()) {
+                throw new RuntimeException(location + " must be a file!");
+            }
+            Files.copy(new URL(url).openConnection().getInputStream(), Paths.get(location), StandardCopyOption.REPLACE_EXISTING);
+            download(url, location);
+        }
+    }
+
+    public static boolean checkMD5(String path, String hash) throws IOException {
+        String md5 = DigestUtils.md5Hex(Files.readAllBytes(Paths.get(path)));
+        return md5.toLowerCase(Locale.ENGLISH).equals(hash.toLowerCase(Locale.ENGLISH));
+    }
+
+    public static boolean checkSHA1(String path, String hash) throws IOException {
+        String sha1 = DigestUtils.sha1Hex(Files.readAllBytes(Paths.get(path)));
+        return sha1.toLowerCase(Locale.ENGLISH).equals(hash.toLowerCase(Locale.ENGLISH));
+    }
+}

src/main/java/io/github/zekerzhayard/forgewrapper/installer/Installer.java

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+package io.github.zekerzhayard.forgewrapper.installer;
+
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.util.regex.Pattern;
+
+import net.minecraftforge.installer.actions.ActionCanceledException;
+import net.minecraftforge.installer.actions.ProgressCallback;
+import net.minecraftforge.installer.json.Install;
+import net.minecraftforge.installer.json.Util;
+
+public class Installer {
+    private static Install install;
+
+    public static boolean install() throws ActionCanceledException {
+        ProgressCallback monitor = ProgressCallback.withOutputs(System.out);
+        install = Util.loadInstallProfile();
+        if (System.getProperty("java.net.preferIPv4Stack") == null) {
+            System.setProperty("java.net.preferIPv4Stack", "true");
+        }
+        String vendor = System.getProperty("java.vendor", "missing vendor");
+        String javaVersion = System.getProperty("java.version", "missing java version");
+        String jvmVersion = System.getProperty("java.vm.version", "missing jvm version");
+        monitor.message(String.format("JVM info: %s - %s - %s", vendor, javaVersion, jvmVersion));
+        monitor.message("java.net.preferIPv4Stack=" + System.getProperty("java.net.preferIPv4Stack"));
+        return new ClientInstall4MultiMC(install, monitor).run(null, input -> true);
+    }
+
+    public static String getForgeVersion() {
+        return install.getVersion().substring(install.getVersion().lastIndexOf("-") + 1);
+    }
+
+    public static String getMcVersion() {
+        return install.getMinecraft();
+    }
+
+    public static String getMcpVersion() {
+        return install.getData(true).get("MCP_VERSION").replace("'", "");
+    }
+
+    static void hookStdOut(ProgressCallback monitor) {
+        final Pattern endingWhitespace = Pattern.compile("\\r?\\n$");
+        final OutputStream monitorStream = new OutputStream() {
+
+            @Override
+            public void write(byte[] buf, int off, int len) {
+                byte[] toWrite = new byte[len];
+                System.arraycopy(buf, off, toWrite, 0, len);
+                write(toWrite);
+            }
+
+            @Override
+            public void write(byte[] b) {
+                String toWrite = new String(b);
+                toWrite = endingWhitespace.matcher(toWrite).replaceAll("");
+                if (!toWrite.isEmpty()) {
+                    monitor.message(toWrite);
+                }
+            }
+
+            @Override
+            public void write(int b) {
+                write(new byte[] {(byte) b});
+            }
+        };
+
+        System.setOut(new PrintStream(monitorStream));
+        System.setErr(new PrintStream(monitorStream));
+    }
+}