69 lines
2.8 KiB
Java
69 lines
2.8 KiB
Java
import java.lang.reflect.Field;
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import java.util.List;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.FieldNode;
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import the.bytecode.club.bytecodeviewer.api.*;
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import the.bytecode.club.bytecodeviewer.gui.components.MultipleChoiceDialog;
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import static the.bytecode.club.bytecodeviewer.Constants.nl;
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/**
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** This is an example of a String Decrypter Java Plugin for BCV.
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**
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** @author [Your-Name-Goes-Here]
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**/
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public class ExampleStringDecrypter extends Plugin {
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@Override
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public void execute(List<ClassNode> classNodesList) {
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PluginConsole gui = new PluginConsole("Example String Decrypter Java Edition");
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MultipleChoiceDialog dialog = new MultipleChoiceDialog("Bytecode Viewer - WARNING",
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"WARNING: This will load the classes into the JVM and execute the initialize function"
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+ nl + "for each class. IF THE FILE YOU'RE LOADING IS MALICIOUS, DO NOT CONTINUE.",
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new String[]{"Continue", "Cancel"});
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if (dialog.promptChoice() == 0) {
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boolean needsWarning = false;
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for (ClassNode cn : classNodesList) {
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try {
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//load the class node into the classloader
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BCV.getClassNodeLoader().addClass(cn);
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for (Object o : cn.fields.toArray()) {
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FieldNode f = (FieldNode) o;
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//if the class contains the field z, get the class object from the class node
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//then print out the value of the fields inside the class
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//if the strings get decrypted on init, this allows you to dump the current values
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if (f.name.equals("z")) {
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try {
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for (Field f2 : BCV.getClassNodeLoader().nodeToClass(cn).getFields()) {
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String s = (String) f2.get(null);
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if (s != null && !s.isEmpty())
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gui.appendText(cn + ":" + s);
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}
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} catch (Exception ignored) {
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}
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}
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}
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} catch (Exception e) {
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gui.appendText("Failed loading class " + cn.name);
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e.printStackTrace();
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needsWarning = true;
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}
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}
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if (needsWarning) {
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BytecodeViewer.showMessage("Some classes failed to decrypt, if you'd like to decrypt all of them\n"
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+ "makes sure you include ALL the libraries it requires.");
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}
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gui.setVisible(true);
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}
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}
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}
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