Пример #1
1
  @Override
  public String decompileClassNode(ClassNode cn, byte[] b) {
    String exception = "";
    try {
      String fileStart = BytecodeViewer.tempDirectory + BytecodeViewer.fs + "temp";

      final File tempClass = new File(MiscUtils.getUniqueName(fileStart, ".class") + ".class");

      try {
        final FileOutputStream fos = new FileOutputStream(tempClass);

        fos.write(b);

        fos.close();
      } catch (final IOException e) {
        new the.bytecode.club.bytecodeviewer.api.ExceptionUI(e);
      }

      DecompilerSettings settings = getDecompilerSettings();

      LuytenTypeLoader typeLoader = new LuytenTypeLoader();
      MetadataSystem metadataSystem = new MetadataSystem(typeLoader);
      TypeReference type = metadataSystem.lookupType(tempClass.getCanonicalPath());

      DecompilationOptions decompilationOptions = new DecompilationOptions();
      decompilationOptions.setSettings(DecompilerSettings.javaDefaults());
      decompilationOptions.setFullDecompilation(true);

      TypeDefinition resolvedType = null;
      if (type == null || ((resolvedType = type.resolve()) == null)) {
        throw new Exception("Unable to resolve type.");
      }
      StringWriter stringwriter = new StringWriter();
      settings
          .getLanguage()
          .decompileType(resolvedType, new PlainTextOutput(stringwriter), decompilationOptions);
      String decompiledSource = stringwriter.toString();

      return decompiledSource;
    } catch (Exception e) {
      StringWriter sw = new StringWriter();
      e.printStackTrace(new PrintWriter(sw));
      e.printStackTrace();

      exception =
          "Bytecode Viewer Version: "
              + BytecodeViewer.version
              + BytecodeViewer.nl
              + BytecodeViewer.nl
              + sw.toString();
    }
    return "Procyon error! Send the stacktrace to Konloch at http://the.bytecode.club or [email protected]"
        + BytecodeViewer.nl
        + BytecodeViewer.nl
        + "Suggested Fix: Click refresh class, if it fails again try another decompiler."
        + BytecodeViewer.nl
        + BytecodeViewer.nl
        + exception;
  }
Пример #2
0
  @Override
  public boolean decompile(final ClassNode classNode, byte[] bytes, StringBuilder output) {
    try {
      if (classNode.version < 49) {
        bytes = fixBytes(bytes);
      }
      final byte[] bytesToUse = bytes;
      final Map<String, byte[]> loadedClasses = Helios.getAllLoadedData();
      DecompilerSettings settings = getDecompilerSettings();
      MetadataSystem metadataSystem =
          new MetadataSystem(
              new ITypeLoader() {
                private final InputTypeLoader backLoader = new InputTypeLoader();

                @Override
                public boolean tryLoadType(String s, Buffer buffer) {
                  if (s.equals(classNode.name)) {
                    buffer.putByteArray(bytesToUse, 0, bytesToUse.length);
                    buffer.position(0);
                    return true;
                  } else {
                    byte[] toUse = loadedClasses.get(s + ".class");
                    if (toUse != null) {
                      buffer.putByteArray(toUse, 0, toUse.length);
                      buffer.position(0);
                      return true;
                    } else {
                      return backLoader.tryLoadType(s, buffer);
                    }
                  }
                }
              });
      TypeReference type = metadataSystem.lookupType(classNode.name);
      DecompilationOptions decompilationOptions = new DecompilationOptions();
      decompilationOptions.setSettings(DecompilerSettings.javaDefaults());
      decompilationOptions.setFullDecompilation(true);
      TypeDefinition resolvedType = null;
      if (type == null || ((resolvedType = type.resolve()) == null)) {
        throw new Exception("Unable to resolve type.");
      }
      StringWriter stringwriter = new StringWriter();
      settings
          .getLanguage()
          .decompileType(resolvedType, new PlainTextOutput(stringwriter), decompilationOptions);
      String decompiledSource = stringwriter.toString();
      output.append(decompiledSource);
      return true;
    } catch (Throwable e) {
      output.append(parseException(e));
      return false;
    }
  }
Пример #3
0
  public static void decompile(
      final String internalName, final ITextOutput output, final DecompilerSettings settings) {
    VerifyArgument.notNull(internalName, "internalName");
    VerifyArgument.notNull(settings, "settings");

    final ITypeLoader typeLoader =
        settings.getTypeLoader() != null ? settings.getTypeLoader() : new InputTypeLoader();
    final MetadataSystem metadataSystem = new MetadataSystem(typeLoader);

    final TypeReference type;

    if (internalName.length() == 1) {
      //
      // Hack to get around classes whose descriptors clash with primitive types.
      //

      final MetadataParser parser = new MetadataParser(IMetadataResolver.EMPTY);
      final TypeReference reference = parser.parseTypeDescriptor(internalName);

      type = metadataSystem.resolve(reference);
    } else {
      type = metadataSystem.lookupType(internalName);
    }

    final TypeDefinition resolvedType;

    if (type == null || (resolvedType = type.resolve()) == null) {
      output.writeLine("!!! ERROR: Failed to load class %s.", internalName);
      return;
    }

    DeobfuscationUtilities.processType(resolvedType);

    final DecompilationOptions options = new DecompilationOptions();

    options.setSettings(settings);
    options.setFullDecompilation(true);

    if (settings.getJavaFormattingOptions() == null) {
      settings.setJavaFormattingOptions(JavaFormattingOptions.createDefault());
    }

    settings.getLanguage().decompileType(resolvedType, output, options);
  }
Пример #4
0
  /** @author DeathMarine */
  private void doSaveJarDecompiled(File inFile, File outFile) throws Exception {
    try (JarFile jfile = new JarFile(inFile);
        FileOutputStream dest = new FileOutputStream(outFile);
        BufferedOutputStream buffDest = new BufferedOutputStream(dest);
        ZipOutputStream out = new ZipOutputStream(buffDest); ) {
      byte data[] = new byte[1024];
      DecompilerSettings settings = getDecompilerSettings();
      LuytenTypeLoader typeLoader = new LuytenTypeLoader();
      MetadataSystem metadataSystem = new MetadataSystem(typeLoader);
      ITypeLoader jarLoader = new JarTypeLoader(jfile);
      typeLoader.getTypeLoaders().add(jarLoader);

      DecompilationOptions decompilationOptions = new DecompilationOptions();
      decompilationOptions.setSettings(settings);
      decompilationOptions.setFullDecompilation(true);

      Enumeration<JarEntry> ent = jfile.entries();
      Set<JarEntry> history = new HashSet<JarEntry>();
      while (ent.hasMoreElements()) {
        JarEntry entry = ent.nextElement();
        if (entry.getName().endsWith(".class")) {
          JarEntry etn = new JarEntry(entry.getName().replace(".class", ".java"));
          if (history.add(etn)) {
            out.putNextEntry(etn);
            try {
              String internalName = StringUtilities.removeRight(entry.getName(), ".class");
              TypeReference type = metadataSystem.lookupType(internalName);
              TypeDefinition resolvedType = null;
              if ((type == null) || ((resolvedType = type.resolve()) == null)) {
                throw new Exception("Unable to resolve type.");
              }
              Writer writer = new OutputStreamWriter(out);
              settings
                  .getLanguage()
                  .decompileType(resolvedType, new PlainTextOutput(writer), decompilationOptions);
              writer.flush();
            } finally {
              out.closeEntry();
            }
          }
        } else {
          try {
            JarEntry etn = new JarEntry(entry.getName());
            if (history.add(etn)) continue;
            history.add(etn);
            out.putNextEntry(etn);
            try {
              InputStream in = jfile.getInputStream(entry);
              if (in != null) {
                try {
                  int count;
                  while ((count = in.read(data, 0, 1024)) != -1) {
                    out.write(data, 0, count);
                  }
                } finally {
                  in.close();
                }
              }
            } finally {
              out.closeEntry();
            }
          } catch (ZipException ze) {
            // some jar-s contain duplicate pom.xml entries: ignore
            // it
            if (!ze.getMessage().contains("duplicate")) {
              throw ze;
            }
          }
        }
      }
    }
  }