Geyser/bootstrap/standalone/src/main/java/org/geysermc/platform/standalone/LoopbackUtil.java

46 lines
2.0 KiB
Java

package org.geysermc.platform.standalone;
import org.geysermc.connector.common.ChatColor;
import org.geysermc.connector.utils.LanguageUtils;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.OpenOption;
import java.nio.file.Paths;
public class LoopbackUtil {
private static final String checkExemption = "powershell -Command \"CheckNetIsolation LoopbackExempt -s\""; // Java's Exec feature runs as CMD, NetIsolation is only accessible from PowerShell.
private static final String loopbackCommand = "powershell -Command \"CheckNetIsolation LoopbackExempt -a -n='Microsoft.MinecraftUWP_8wekyb3d8bbwe'\"";
private static final String startScript = "powershell -Command \"Start-Process 'cmd' -ArgumentList /c,%temp%/loopback_minecraft.bat -Verb runAs\"";
public static void checkLoopback(GeyserStandaloneLogger geyserLogger) {
if (System.getProperty("os.name").equalsIgnoreCase("Windows 10")) {
try {
Process process = Runtime.getRuntime().exec(checkExemption);
InputStream is = process.getInputStream();
StringBuilder sb = new StringBuilder();
while (process.isAlive()) {
if (is.available() != 0) {
sb.append((char) is.read());
}
}
String result = sb.toString();
if (!result.contains("minecraftuwp")) {
Files.write(Paths.get(System.getenv("temp") + "/loopback_minecraft.bat"), loopbackCommand.getBytes(), new OpenOption[0]);
process = Runtime.getRuntime().exec(startScript);
geyserLogger.info(ChatColor.AQUA + LanguageUtils.getLocaleStringLog("geyser.bootstrap.loopback.added"));
}
} catch (Exception e) {
e.printStackTrace();
geyserLogger.error(LanguageUtils.getLocaleStringLog("geyser.bootstrap.loopback.failed"));
}
}
}
}