mirror of https://github.com/GeyserMC/Geyser.git
88 lines
3.7 KiB
Java
88 lines
3.7 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.util;
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import org.geysermc.geyser.GeyserLogger;
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import org.geysermc.geyser.text.ChatColor;
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import org.geysermc.geyser.text.GeyserLocale;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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public final class LoopbackUtil {
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private static final String checkExemption = "CheckNetIsolation LoopbackExempt -s";
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private static final String loopbackCommand = "CheckNetIsolation LoopbackExempt -a -n=Microsoft.MinecraftUWP_8wekyb3d8bbwe";
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/**
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* This string needs to be checked in the event Minecraft is not installed - no Minecraft string will be present in the checkExemption command.
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*/
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private static final String minecraftApplication = "S-1-15-2-1958404141-86561845-1752920682-3514627264-368642714-62675701-733520436";
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private static final String startScript = "powershell -Command \"Start-Process 'cmd' -ArgumentList /c,%temp%/loopback_minecraft.bat -Verb runAs\"";
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/**
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* @return true if loopback is not addressed properly.
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*/
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public static boolean needsLoopback(GeyserLogger logger) {
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String os = System.getProperty("os.name");
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if (os.equalsIgnoreCase("Windows 10") || os.equalsIgnoreCase("Windows 11")) {
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try {
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Process process = Runtime.getRuntime().exec(checkExemption);
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InputStream is = process.getInputStream();
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int data;
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StringBuilder sb = new StringBuilder();
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while ((data = is.read()) != -1) {
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sb.append((char) data);
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}
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return !sb.toString().contains(minecraftApplication);
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} catch (Exception e) {
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logger.error("Couldn't detect if loopback has been added on Windows!", e);
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return true;
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}
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}
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return false;
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}
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public static void checkAndApplyLoopback(GeyserLogger geyserLogger) {
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if (needsLoopback(geyserLogger)) {
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try {
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Files.write(Paths.get(System.getenv("temp") + "/loopback_minecraft.bat"), loopbackCommand.getBytes());
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Runtime.getRuntime().exec(startScript);
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geyserLogger.info(ChatColor.AQUA + GeyserLocale.getLocaleStringLog("geyser.bootstrap.loopback.added"));
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} catch (Exception e) {
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e.printStackTrace();
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geyserLogger.error(GeyserLocale.getLocaleStringLog("geyser.bootstrap.loopback.failed"));
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}
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}
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}
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private LoopbackUtil() {
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}
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}
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