@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;
}
@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;
}
}
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);
}
/** @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;
}
}
}
}
}
}
