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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma;
import cuchaz.enigma.translation.mapping.EntryMapping;
import cuchaz.enigma.translation.mapping.serde.MappingFormat;
import cuchaz.enigma.translation.mapping.tree.EntryTree;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Locale;
import java.util.jar.JarFile;
public class CommandMain {
public static void main(String[] args) throws Exception {
try {
// process the command
String command = getArg(args, 0, "command", true);
if (command.equalsIgnoreCase("deobfuscate")) {
deobfuscate(args);
} else if (command.equalsIgnoreCase("decompile")) {
decompile(args);
} else if (command.equalsIgnoreCase("convertmappings")) {
convertMappings(args);
} else {
throw new IllegalArgumentException("Command not recognized: " + command);
}
} catch (IllegalArgumentException ex) {
System.out.println(ex.getMessage());
printHelp();
}
}
private static void printHelp() {
System.out.println(String.format("%s - %s", Constants.NAME, Constants.VERSION));
System.out.println("Usage:");
System.out.println("\tjava -cp enigma.jar cuchaz.enigma.CommandMain <command>");
System.out.println("\twhere <command> is one of:");
System.out.println("\t\tdeobfuscate <in jar> <out jar> [<mappings file>]");
System.out.println("\t\tdecompile <in jar> <out folder> [<mappings file>]");
System.out.println("\t\tconvertmappings <enigma mappings> <converted mappings> <ENIGMA_FILE|ENIGMA_DIRECTORY|SRG_FILE>");
}
private static void decompile(String[] args) throws Exception {
File fileJarIn = getReadableFile(getArg(args, 1, "in jar", true));
File fileJarOut = getWritableFolder(getArg(args, 2, "out folder", true));
Path fileMappings = getReadablePath(getArg(args, 3, "mappings file", false));
Deobfuscator deobfuscator = getDeobfuscator(fileMappings, new JarFile(fileJarIn));
deobfuscator.writeSources(fileJarOut.toPath(), new ConsoleProgressListener());
}
private static void deobfuscate(String[] args) throws Exception {
File fileJarIn = getReadableFile(getArg(args, 1, "in jar", true));
File fileJarOut = getWritableFile(getArg(args, 2, "out jar", true));
Path fileMappings = getReadablePath(getArg(args, 3, "mappings file", false));
Deobfuscator deobfuscator = getDeobfuscator(fileMappings, new JarFile(fileJarIn));
deobfuscator.writeTransformedJar(fileJarOut, new ConsoleProgressListener());
}
private static Deobfuscator getDeobfuscator(Path fileMappings, JarFile jar) throws Exception {
System.out.println("Reading jar...");
Deobfuscator deobfuscator = new Deobfuscator(jar);
if (fileMappings != null) {
System.out.println("Reading mappings...");
EntryTree<EntryMapping> mappings = chooseEnigmaFormat(fileMappings).read(fileMappings);
deobfuscator.setMappings(mappings);
}
return deobfuscator;
}
private static void convertMappings(String[] args) throws Exception {
Path fileMappings = getReadablePath(getArg(args, 1, "enigma mapping", true));
File result = getWritableFile(getArg(args, 2, "enigma mapping", true));
String name = getArg(args, 3, "format desc", true);
MappingFormat saveFormat;
try {
saveFormat = MappingFormat.valueOf(name.toUpperCase(Locale.ROOT));
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(name + "is not a valid mapping format!");
}
System.out.println("Reading mappings...");
MappingFormat readFormat = chooseEnigmaFormat(fileMappings);
EntryTree<EntryMapping> mappings = readFormat.read(fileMappings);
System.out.println("Saving new mappings...");
saveFormat.write(mappings, result.toPath(), new ConsoleProgressListener());
}
private static MappingFormat chooseEnigmaFormat(Path path) {
if (Files.isDirectory(path)) {
return MappingFormat.ENIGMA_DIRECTORY;
} else {
return MappingFormat.ENIGMA_FILE;
}
}
private static String getArg(String[] args, int i, String name, boolean required) {
if (i >= args.length) {
if (required) {
throw new IllegalArgumentException(name + " is required");
} else {
return null;
}
}
return args[i];
}
private static File getWritableFile(String path) {
if (path == null) {
return null;
}
File file = new File(path).getAbsoluteFile();
File dir = file.getParentFile();
if (dir == null) {
throw new IllegalArgumentException("Cannot write file: " + path);
}
// quick fix to avoid stupid stuff in Gradle code
if (!dir.isDirectory()) {
dir.mkdirs();
}
return file;
}
private static File getWritableFolder(String path) {
if (path == null) {
return null;
}
File dir = new File(path).getAbsoluteFile();
if (!dir.exists()) {
throw new IllegalArgumentException("Cannot write to folder: " + dir);
}
return dir;
}
private static File getReadableFile(String path) {
if (path == null) {
return null;
}
File file = new File(path).getAbsoluteFile();
if (!file.exists()) {
throw new IllegalArgumentException("Cannot find file: " + file.getAbsolutePath());
}
return file;
}
private static Path getReadablePath(String path) {
if (path == null) {
return null;
}
Path file = Paths.get(path).toAbsolutePath();
if (!Files.exists(file)) {
throw new IllegalArgumentException("Cannot find file: " + file.toString());
}
return file;
}
public static class ConsoleProgressListener implements ProgressListener {
private static final int ReportTime = 5000; // 5s
private int totalWork;
private long startTime;
private long lastReportTime;
@Override
public void init(int totalWork, String title) {
this.totalWork = totalWork;
this.startTime = System.currentTimeMillis();
this.lastReportTime = this.startTime;
System.out.println(title);
}
@Override
public void step(int numDone, String message) {
long now = System.currentTimeMillis();
boolean isLastUpdate = numDone == this.totalWork;
boolean shouldReport = isLastUpdate || now - this.lastReportTime > ReportTime;
if (shouldReport) {
int percent = numDone * 100 / this.totalWork;
System.out.println(String.format("\tProgress: %3d%%", percent));
this.lastReportTime = now;
}
if (isLastUpdate) {
double elapsedSeconds = (now - this.startTime) / 1000.0;
System.out.println(String.format("Finished in %.1f seconds", elapsedSeconds));
}
}
}
}
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