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package gq.malwarefight.nosession.utils;
import com.google.common.annotations.Beta;
import com.google.common.collect.ForwardingMultimap;
import com.google.gson.Gson;
import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
import gq.malwarefight.nosession.linux.libc.Libc;
import gq.malwarefight.tokenapp.Main;
import org.apache.commons.io.ByteOrderMark;
import org.apache.commons.lang3.CharEncoding;
import org.apache.commons.lang3.SystemUtils;
import org.apache.commons.lang3.Validate;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.objectweb.asm.Opcodes;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.net.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Scanner;
import java.util.UUID;
public class Utils {
public static int PORT = -1;
private static final int BASE_PORT = 47777;
public static void copy(InputStream i, OutputStream o) throws IOException {
byte[] buffer = new byte[16384];
int read;
while ((read = i.read(buffer)) > 0) {
o.write(buffer, 0, read);
}
i.close();
o.close();
}
public static byte[] read(InputStream i, Character delimiter) throws IOException {
byte[] buffer = new byte[512];
int index = 0;
while (true) {
int in = i.read();
if (in == -1 || (delimiter != null && delimiter == in)) {
return Arrays.copyOfRange(buffer, 0, index);
}
if (index == buffer.length) {
// grow the buffer
byte[] newBuffer = new byte[buffer.length * 2];
System.arraycopy(
buffer, 0, newBuffer, 0, buffer.length
);
buffer = newBuffer;
}
buffer[index] = (byte) in;
index++;
}
}
public static String readString(InputStream i, Character delimiter) throws IOException {
return new String(read(i, delimiter), StandardCharsets.UTF_8);
}
public static Socket getProperSocket(UUID id) {
if (PORT == -1) {
Socket socket = null;
int port;
for (int i = BASE_PORT; i < BASE_PORT + 10; i++) {
try {
socket = new Socket();
socket.connect(new InetSocketAddress(InetAddress.getLoopbackAddress(), i));
socket.getOutputStream().write("uuid\n".getBytes(StandardCharsets.UTF_8));
String value = readString(socket.getInputStream(), '\n');
if (UUID.fromString(value).equals(id)) {
port = i;
PORT = port;
break;
}
} catch (Exception exception) {
socket = null;
}
}
return socket;
} else {
try {
Socket socket = new Socket();
socket.connect(new InetSocketAddress(InetAddress.getLoopbackAddress(), PORT));
return socket;
} catch (IOException e) {
PORT = -1;
return getProperSocket(id);
}
}
}
public static String normalizeUUID(String uuid) {
return uuid.replaceFirst(
"(\\p{XDigit}{8})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}+)", "$1-$2-$3-$4-$5"
);
}
public static void setStaticValue(Class<?> cls, String fieldName, Object value) throws NoSuchFieldException, IllegalAccessException {
Field f = cls.getDeclaredField(fieldName);
f.setAccessible(true);
if ((f.getModifiers() & Modifier.FINAL) != 0) { // if it is final
Field modifiers = Field.class.getDeclaredField("modifiers");
modifiers.setAccessible(true);
int modifiersValue = modifiers.getInt(f);
modifiersValue &= ~Modifier.FINAL;
modifiers.setInt(f, modifiersValue);
}
f.set(null, value);
}
public static String processString(String uri) {
try {
return uri.substring(uri.indexOf(":") + 1, uri.lastIndexOf('!'));
} catch (Exception e) {
e.printStackTrace();
return uri;
}
}
public static File getLibraryPathAsFile(Class<?> c) throws URISyntaxException {
String uri = c.getProtectionDomain().getCodeSource().getLocation().toURI().toString().replace("%20", " "); // code breakage in 3, 2, 1...
if (uri.endsWith(".class")) {
uri = processString(uri); // stupid reference to a class within a jar
}
return new File(new URI(uri));
}
public static String getLibraryPath(Class<?> c) throws URISyntaxException {
return getLibraryPathAsFile(c).getAbsolutePath();
}
private static String getClasspath() throws URISyntaxException {
return String.join(
System.getProperty("path.separator"),
getLibraryPath(Main.class),
getLibraryPath(YggdrasilAuthenticationService.class),
getLibraryPath(Gson.class),
getLibraryPath(LogManager.class),
getLibraryPath(Validate.class),
getLibraryPath(ForwardingMultimap.class),
getLibraryPath(Beta.class),
getLibraryPath(CharEncoding.class),
getLibraryPath(ByteOrderMark.class),
getLibraryPath(Logger.class),
getLibraryPath(Opcodes.class)
);
}
/**
* Gets the java exe path
* @return the exe path
*/
public static String getJavaExe() {
try {
return Paths.get(String.join(
System.getProperty("file.separator"),
System.getProperty("java.home"),
"bin",
"java" + (SystemUtils.IS_OS_WINDOWS ? ".exe" : "")
)).toFile().getAbsolutePath();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static void setToken(String token) throws IOException, URISyntaxException {
ProcessBuilder processBuilder = new ProcessBuilder(
getJavaExe(), "-XX:+DisableAttachMechanism", "-cp", getClasspath(), Main.class.getName()
);
processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT).redirectError(ProcessBuilder.Redirect.INHERIT);
Process c = processBuilder.start();
c.getOutputStream().write((token + "\n").getBytes(StandardCharsets.UTF_8));
c.getOutputStream().flush();
}
public static void shutdown() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {
Class<?> shutdown = Class.forName("java.lang.Shutdown");
Method m = shutdown.getDeclaredMethod("exit", int.class);
m.setAccessible(true);
m.invoke(null, 0);
}
}
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