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Added decompression

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Maschell 2017-12-17 17:03:33 +01:00
parent 0dc62ef4c0
commit 22f764faef
1 changed files with 75 additions and 1 deletions
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76
src/de/mas/wiiu/jnus/WUDService.java
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@ -1,8 +1,10 @@
package de.mas.wiiu.jnus;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
@ -184,13 +186,85 @@ public final class WUDService {
}
} while (totalread < WUDImage.WUD_FILESIZE);
System.out.println();
System.out.print("Verfication done!");
System.out.println("Verfication done!");
in1.close();
in2.close();
return result;
}
public static File decompressWUX(WUDImage image, String outputFolder) throws IOException {
return decompressWUX(image, outputFolder, "game.wud", false);
}
public static File decompressWUX(WUDImage image, String outputFolder, boolean overwrite) throws IOException {
return decompressWUX(image, outputFolder, "game.wud", overwrite);
}
public static File decompressWUX(WUDImage image, String outputFolder, String filename, boolean overwrite) throws IOException {
if (!image.isCompressed()) {
log.info("Given image is already decompressed (a wud file)");
return null;
}
if (image.getWUDFileSize() != WUDImage.WUD_FILESIZE) {
log.info("Given WUX has not the expected filesize");
return null;
}
String usedOutputFolder = outputFolder;
if (usedOutputFolder == null) usedOutputFolder = "";
Utils.createDir(usedOutputFolder);
String filePath;
if (usedOutputFolder.isEmpty()) {
filePath = filename;
} else {
filePath = usedOutputFolder + File.separator + filename;
}
File outputFile = new File(filePath);
if (outputFile.exists() && !overwrite) {
log.info("Couldn't decompress wux, target file already exists (" + outputFile.getAbsolutePath() + ")");
return null;
}
log.info("Writing decompressed file to: " + outputFile.getAbsolutePath());
InputStream in = image.getWUDDiscReader().readEncryptedToInputStream(0, WUDImage.WUD_FILESIZE);
OutputStream out = new FileOutputStream(outputFile);
int bufferSize = 1024 * 1024;
long totalread = 0;
byte[] blockBuffer = new byte[bufferSize];
ByteArrayBuffer overflow = new ByteArrayBuffer(bufferSize);
long curSector = 0;
do {
int read = StreamUtils.getChunkFromStream(in, blockBuffer, overflow, bufferSize);
if (read == bufferSize) {
out.write(blockBuffer);
} else if (read > 0) {
out.write(Arrays.copyOfRange(blockBuffer, 0, read));
}
totalread += read;
curSector++;
if (curSector % 1 == 0) {
double readMB = totalread / 1024.0 / 1024.0;
double percent = ((double) totalread / WUDImage.WUD_FILESIZE) * 100;
System.out.print(String.format("\rDecompressing: %.2fMB done (%.2f%%)", readMB, percent));
}
} while (totalread < WUDImage.WUD_FILESIZE);
System.out.println();
System.out.println("Decompressing done!");
in.close();
out.close();
return outputFile;
}
public static HashResult hashWUDImage(WUDImage image) throws IOException {
if (image == null) {
log.info("Failed to calculate the hash of the given image: input was null.");