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FernFlower Decompiler Update

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External Process Launch Proof of Concept. Decompile to zip fallback added.
This commit is contained in:
Konloch 2024-10-02 18:19:21 -06:00
parent f89ba2e6ea
commit 39491c3c4a

AI 샘플 코드 생성 중입니다

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1 changed files with 35 additions and 45 deletions
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80
src/main/java/the/bytecode/club/bytecodeviewer/decompilers/impl/FernFlowerDecompiler.java
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@ -19,19 +19,23 @@
package the.bytecode.club.bytecodeviewer.decompilers.impl;
import me.konloch.kontainer.io.DiskReader;
import org.apache.commons.lang3.ArrayUtils;
import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.objectweb.asm.tree.ClassNode;
import the.bytecode.club.bytecodeviewer.BytecodeViewer;
import the.bytecode.club.bytecodeviewer.Constants;
import the.bytecode.club.bytecodeviewer.api.ExceptionUI;
import the.bytecode.club.bytecodeviewer.decompilers.AbstractDecompiler;
import the.bytecode.club.bytecodeviewer.resources.ExternalResources;
import the.bytecode.club.bytecodeviewer.translation.TranslatedStrings;
import the.bytecode.club.bytecodeviewer.util.ExceptionUtils;
import the.bytecode.club.bytecodeviewer.util.ProcessUtils;
import the.bytecode.club.bytecodeviewer.util.TempFile;
import java.io.*;
import static the.bytecode.club.bytecodeviewer.Constants.*;
import static the.bytecode.club.bytecodeviewer.translation.TranslatedStrings.ERROR;
import static the.bytecode.club.bytecodeviewer.translation.TranslatedStrings.FERNFLOWER;
import static the.bytecode.club.bytecodeviewer.translation.TranslatedStrings.*;
/**
* A FernFlower wrapper with all the options (except 2)
@ -47,29 +51,6 @@ public class FernFlowerDecompiler extends AbstractDecompiler
super("FernFlower Decompiler", "fernflower");
}
@Override
public void decompileToZip(String sourceJar, String zipName)
{
File tempZip = new File(sourceJar);
File f = new File(TEMP_DIRECTORY + FS + "temp" + FS);
f.mkdir();
try
{
org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler.main(generateMainMethod(tempZip.getAbsolutePath(), TEMP_DIRECTORY + "./temp/"));
}
catch (StackOverflowError | Exception ignored)
{
}
File tempZip2 = new File(TEMP_DIRECTORY + FS + "temp" + FS + tempZip.getName());
if (tempZip2.exists())
tempZip2.renameTo(new File(zipName));
f.delete();
}
@Override
public String decompileClassNode(ClassNode cn, byte[] bytes)
{
@ -80,14 +61,14 @@ public class FernFlowerDecompiler extends AbstractDecompiler
{
//create the temporary files
tempFile = TempFile.createTemporaryFile(true, ".class");
File tempClassFile = tempFile.getFile();
File tempInputClassFile = tempFile.getFile();
//load java source from temp directory
tempFile.setParent(new File(TEMP_DIRECTORY));
File tempOutputJavaFile = tempFile.createFileFromExtension(false, true, ".java");
//write the class-file with bytes
try (FileOutputStream fos = new FileOutputStream(tempClassFile))
try (FileOutputStream fos = new FileOutputStream(tempInputClassFile))
{
fos.write(bytes);
}
@ -95,26 +76,16 @@ public class FernFlowerDecompiler extends AbstractDecompiler
//decompile the class-file
if (LAUNCH_DECOMPILERS_IN_NEW_PROCESS)
{
/*try
{
BytecodeViewer.sm.pauseBlocking();
ProcessBuilder pb = new ProcessBuilder(ArrayUtils.addAll(
new String[]{ExternalResources.getSingleton().getJavaCommand(true), "-jar", ExternalResources.getSingleton().findLibrary("fernflower")},
generateMainMethod(tempClass.getAbsolutePath(),
new File(tempDirectory).getAbsolutePath())
));
Process p = pb.start();
BytecodeViewer.createdProcesses.add(p);
p.waitFor();
} catch (Exception e) {
BytecodeViewer.handleException(e);
} finally {
BytecodeViewer.sm.resumeBlocking();
}*/
ProcessUtils.runDecompilerExternal(ArrayUtils.addAll(new String[]
{
ExternalResources.getSingleton().getJavaCommand(true),
"-jar", ExternalResources.getSingleton().findLibrary("fernflower")
}, generateMainMethod(tempInputClassFile.getAbsolutePath(), tempFile.getParent().getAbsolutePath())
), false);
}
else
{
org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler.main(generateMainMethod(tempClassFile.getAbsolutePath(), new File(TEMP_DIRECTORY).getAbsolutePath()));
org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler.main(generateMainMethod(tempInputClassFile.getAbsolutePath(), new File(TEMP_DIRECTORY).getAbsolutePath()));
}
//if rename is enabled the file name will be the actual class name
@ -127,7 +98,7 @@ public class FernFlowerDecompiler extends AbstractDecompiler
}
//if the output file is found, read it
if (tempOutputJavaFile.exists())
if (tempOutputJavaFile.exists() && !Constants.DEV_FLAG_DECOMPILERS_SIMULATED_ERRORS)
return DiskReader.loadAsString(tempOutputJavaFile.getAbsolutePath());
else
exception = FERNFLOWER + " " + ERROR + "! " + tempOutputJavaFile.getAbsolutePath() + " does not exist.";
@ -147,6 +118,25 @@ public class FernFlowerDecompiler extends AbstractDecompiler
+ TranslatedStrings.SUGGESTED_FIX_DECOMPILER_ERROR + NL + NL + exception;
}
@Override
public void decompileToZip(String sourceJar, String zipName)
{
File tempInputJarFile = new File(sourceJar);
File tempOutputJar = new File(TEMP_DIRECTORY + FS + "temp" + FS + tempInputJarFile.getName());
try
{
ConsoleDecompiler.main(generateMainMethod(tempInputJarFile.getAbsolutePath(), TEMP_DIRECTORY + "./temp/"));
}
catch (StackOverflowError | Exception ignored)
{
}
if (tempOutputJar.exists())
tempOutputJar.renameTo(new File(zipName));
}
private String[] generateMainMethod(String className, String folder)
{
return new String[]