Example usage for org.apache.commons.compress.archivers.zip ZipArchiveEntry getCrc

List of usage examples for org.apache.commons.compress.archivers.zip ZipArchiveEntry getCrc

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip ZipArchiveEntry getCrc.

Prototype

public long getCrc() 

Source Link

Document

Returns the CRC-32 checksum of the uncompressed entry data.

Usage

From source file:fr.ens.biologie.genomique.eoulsan.modules.mapping.hadoop.ReadsMapperHadoopModule.java

/**
 * Compute the checksum of a ZIP file./*w w  w . j  a va  2  s  . c  o m*/
 * @param in input stream
 * @return the checksum as a string
 * @throws IOException if an error occurs while creating the checksum
 */
private static String computeZipCheckSum(final InputStream in) throws IOException {

    ZipArchiveInputStream zais = new ZipArchiveInputStream(in);

    // Create Hash function
    final Hasher hs = Hashing.md5().newHasher();

    // Store entries in a map
    final Map<String, long[]> map = new HashMap<>();

    ZipArchiveEntry e;

    while ((e = zais.getNextZipEntry()) != null) {
        map.put(e.getName(), new long[] { e.getSize(), e.getCrc() });
    }

    zais.close();

    // Add values to hash function in an ordered manner
    for (String filename : new TreeSet<>(map.keySet())) {

        hs.putString(filename, StandardCharsets.UTF_8);
        for (long l : map.get(filename)) {
            hs.putLong(l);
        }
    }

    return hs.hash().toString();
}

From source file:at.spardat.xma.xdelta.JarDelta.java

/**
 * Entry to new name./*from www . jav  a  2 s. co m*/
 *
 * @param source the source
 * @param name the name
 * @return the zip archive entry
 * @throws ZipException the zip exception
 */
public static ZipArchiveEntry entryToNewName(ZipArchiveEntry source, String name) throws ZipException {
    if (source.getName().equals(name))
        return new ZipArchiveEntry(source);
    ZipArchiveEntry ret = new ZipArchiveEntry(name);
    byte[] extra = source.getExtra();
    if (extra != null) {
        ret.setExtraFields(ExtraFieldUtils.parse(extra, true, ExtraFieldUtils.UnparseableExtraField.READ));
    } else {
        ret.setExtra(ExtraFieldUtils.mergeLocalFileDataData(source.getExtraFields(true)));
    }
    ret.setInternalAttributes(source.getInternalAttributes());
    ret.setExternalAttributes(source.getExternalAttributes());
    ret.setExtraFields(source.getExtraFields(true));
    ret.setCrc(source.getCrc());
    ret.setMethod(source.getMethod());
    ret.setSize(source.getSize());
    return ret;
}

From source file:at.spardat.xma.xdelta.JarDelta.java

/**
 * Find best source./*from w  ww  . j av  a  2s  . c o m*/
 *
 * @param source the source
 * @param target the target
 * @param targetEntry the target entry
 * @return the zip archive entry
 * @throws IOException Signals that an I/O exception has occurred.
 */
public ZipArchiveEntry findBestSource(ZipFile source, ZipFile target, ZipArchiveEntry targetEntry)
        throws IOException {
    ArrayList<ZipArchiveEntry> ret = new ArrayList<>();
    for (ZipArchiveEntry next : source.getEntries(targetEntry.getName())) {
        if (next.getCrc() == targetEntry.getCrc())
            return next;
        ret.add(next);
    }
    if (ret.size() == 0)
        return null;
    if (ret.size() == 1 || targetEntry.isDirectory())
        return ret.get(0);
    //More than one and no matching crc --- need to calculate xdeltas and pick the  shortest
    ZipArchiveEntry retEntry = null;
    for (ZipArchiveEntry sourceEntry : ret) {
        try (ByteArrayOutputStream outbytes = new ByteArrayOutputStream()) {
            Delta d = new Delta();
            DiffWriter diffWriter = new GDiffWriter(new DataOutputStream(outbytes));
            int sourceSize = (int) sourceEntry.getSize();
            byte[] sourceBytes = new byte[sourceSize];
            try (InputStream sourceStream = source.getInputStream(sourceEntry)) {
                for (int erg = sourceStream.read(sourceBytes); erg < sourceBytes.length; erg += sourceStream
                        .read(sourceBytes, erg, sourceBytes.length - erg))
                    ;
            }
            d.compute(sourceBytes, target.getInputStream(targetEntry), diffWriter);
            byte[] nextDiff = outbytes.toByteArray();
            if (calculatedDelta == null || calculatedDelta.length > nextDiff.length) {
                retEntry = sourceEntry;
                calculatedDelta = nextDiff;
            }
        }
    }
    return retEntry;
}

From source file:at.spardat.xma.xdelta.JarDelta.java

/**
 * Test if the content of two byte arrays is completly identical.
 *
 * @param sourceEntry the source entry//from   w ww . ja v  a2s  . c  o  m
 * @param targetEntry the target entry
 * @return true if source and target contain the same bytes.
 */
public boolean equal(ZipArchiveEntry sourceEntry, ZipArchiveEntry targetEntry) {
    return (sourceEntry.getSize() == targetEntry.getSize()) && (sourceEntry.getCrc() == targetEntry.getCrc());
}

From source file:at.spardat.xma.xdelta.JarPatcher.java

/**
 * Gets the entry.//from  w w w. ja  v  a2  s.co m
 *
 * @param source the source
 * @param name the name
 * @param crc the crc
 * @return the entry
 */
private ZipArchiveEntry getEntry(ZipFile source, String name, long crc) {
    for (ZipArchiveEntry next : source.getEntries(name)) {
        if (next.getCrc() == crc)
            return next;
    }
    if (!JarDelta.zipFilesPattern.matcher(name).matches()) {
        return null;
    } else {
        return source.getEntry(name);
    }
}

From source file:at.spardat.xma.xdelta.JarPatcher.java

/**
 * Close entry./* w w  w.j a  va 2s .c  o m*/
 *
 * @param output the output
 * @param outEntry the out entry
 * @param crc the crc
 * @throws IOException Signals that an I/O exception has occurred.
 */
private void closeEntry(ZipArchiveOutputStream output, ZipArchiveEntry outEntry, long crc) throws IOException {
    output.flush();
    output.closeArchiveEntry();
    if (outEntry.getCrc() != crc)
        throw new IOException("CRC mismatch for " + outEntry.getName());
}

From source file:at.spardat.xma.xdelta.JarDelta.java

/**
 * Compute delta.//from   w  ww .  ja  v  a2  s .  c om
 *
 * @param source the source
 * @param target the target
 * @param output the output
 * @param list the list
 * @param prefix the prefix
 * @throws IOException Signals that an I/O exception has occurred.
 */
public void computeDelta(ZipFile source, ZipFile target, ZipArchiveOutputStream output, PrintWriter list,
        String prefix) throws IOException {
    try {
        for (Enumeration<ZipArchiveEntry> enumer = target.getEntries(); enumer.hasMoreElements();) {
            calculatedDelta = null;
            ZipArchiveEntry targetEntry = enumer.nextElement();
            ZipArchiveEntry sourceEntry = findBestSource(source, target, targetEntry);
            String nextEntryName = prefix + targetEntry.getName();
            if (sourceEntry != null && zipFilesPattern.matcher(sourceEntry.getName()).matches()
                    && !equal(sourceEntry, targetEntry)) {
                nextEntryName += "!";
            }
            nextEntryName += "|" + Long.toHexString(targetEntry.getCrc());
            if (sourceEntry != null) {
                nextEntryName += ":" + Long.toHexString(sourceEntry.getCrc());
            } else {
                nextEntryName += ":0";
            }
            list.println(nextEntryName);
            if (targetEntry.isDirectory()) {
                if (sourceEntry == null) {
                    ZipArchiveEntry outputEntry = entryToNewName(targetEntry, prefix + targetEntry.getName());
                    output.putArchiveEntry(outputEntry);
                    output.closeArchiveEntry();
                }
            } else {
                if (sourceEntry == null || sourceEntry.getSize() <= Delta.DEFAULT_CHUNK_SIZE
                        || targetEntry.getSize() <= Delta.DEFAULT_CHUNK_SIZE) { // new Entry od. alter Eintrag od. neuer Eintrag leer
                    ZipArchiveEntry outputEntry = entryToNewName(targetEntry, prefix + targetEntry.getName());
                    output.putArchiveEntry(outputEntry);
                    try (InputStream in = target.getInputStream(targetEntry)) {
                        int read = 0;
                        while (-1 < (read = in.read(buffer))) {
                            output.write(buffer, 0, read);
                        }
                        output.flush();
                    }
                    output.closeArchiveEntry();
                } else {
                    if (!equal(sourceEntry, targetEntry)) {
                        if (zipFilesPattern.matcher(sourceEntry.getName()).matches()) {
                            File embeddedTarget = File.createTempFile("jardelta-tmp", ".zip");
                            File embeddedSource = File.createTempFile("jardelta-tmp", ".zip");
                            try (FileOutputStream out = new FileOutputStream(embeddedSource);
                                    InputStream in = source.getInputStream(sourceEntry);
                                    FileOutputStream out2 = new FileOutputStream(embeddedTarget);
                                    InputStream in2 = target.getInputStream(targetEntry)) {
                                int read = 0;
                                while (-1 < (read = in.read(buffer))) {
                                    out.write(buffer, 0, read);
                                }
                                out.flush();
                                read = 0;
                                while (-1 < (read = in2.read(buffer))) {
                                    out2.write(buffer, 0, read);
                                }
                                out2.flush();
                                computeDelta(new ZipFile(embeddedSource), new ZipFile(embeddedTarget), output,
                                        list, prefix + sourceEntry.getName() + "!");
                            } finally {
                                embeddedSource.delete();
                                embeddedTarget.delete();
                            }
                        } else {
                            ZipArchiveEntry outputEntry = new ZipArchiveEntry(
                                    prefix + targetEntry.getName() + ".gdiff");
                            outputEntry.setTime(targetEntry.getTime());
                            outputEntry.setComment("" + targetEntry.getCrc());
                            output.putArchiveEntry(outputEntry);
                            if (calculatedDelta != null) {
                                output.write(calculatedDelta);
                                output.flush();
                            } else {
                                try (ByteArrayOutputStream outbytes = new ByteArrayOutputStream()) {
                                    Delta d = new Delta();
                                    DiffWriter diffWriter = new GDiffWriter(new DataOutputStream(outbytes));
                                    int sourceSize = (int) sourceEntry.getSize();
                                    byte[] sourceBytes = new byte[sourceSize];
                                    try (InputStream sourceStream = source.getInputStream(sourceEntry)) {
                                        for (int erg = sourceStream.read(
                                                sourceBytes); erg < sourceBytes.length; erg += sourceStream
                                                        .read(sourceBytes, erg, sourceBytes.length - erg))
                                            ;
                                    }
                                    d.compute(sourceBytes, target.getInputStream(targetEntry), diffWriter);
                                    output.write(outbytes.toByteArray());
                                }
                            }
                            output.closeArchiveEntry();
                        }
                    }
                }
            }
        }
    } finally {
        source.close();
        target.close();
    }
}

From source file:cz.muni.fi.xklinec.zipstream.Mallory.java

/**
 * Entry point. // w  w w .j a va 2 s .c o m
 * 
 * @param args
 * @throws FileNotFoundException
 * @throws IOException
 * @throws NoSuchFieldException
 * @throws ClassNotFoundException
 * @throws NoSuchMethodException 
 * @throws java.lang.InterruptedException 
 * @throws java.lang.CloneNotSupportedException 
 */
public void doMain(String[] args) throws FileNotFoundException, IOException, NoSuchFieldException,
        ClassNotFoundException, NoSuchMethodException, InterruptedException, CloneNotSupportedException {
    // command line argument parser
    CmdLineParser parser = new CmdLineParser(this);

    // if you have a wider console, you could increase the value;
    // here 80 is also the default
    parser.setUsageWidth(80);
    try {
        // parse the arguments.
        parser.parseArgument(args);
    } catch (CmdLineException e) {
        // if there's a problem in the command line,
        // you'll get this exception. this will report
        // an error message.
        System.err.println(e.getMessage());
        System.err.println("java Mallory [options...] arguments...");
        // print the list of available options
        parser.printUsage(System.err);
        System.err.println();

        // print option sample. This is useful some time
        System.err.println(" Example: java Mallory " + parser.printExample(ExampleMode.ALL));
        return;
    }

    if (arguments.size() == 2) {
        final String a0 = arguments.get(0);
        final String a1 = arguments.get(1);

        if (!quiet)
            System.err
                    .println(String.format("Will use file [%s] as input file and [%s] as output file", a0, a1));
        fis = new FileInputStream(a0);
        fos = new FileOutputStream(a1);
    } else if (arguments.isEmpty()) {
        if (!quiet)
            System.err
                    .println(String.format("Will use file [STDIN] as input file and [STDOUT] as output file"));
        fis = System.in;
        fos = System.out;
    } else {
        if (!quiet)
            System.err.println("I do not understand the usage.");
        return;
    }

    if (zipAlign) {
        System.err.println("WARNING: ZIP Align feature not implemented yet...");
        return;
    }

    // Deflater to re-compress uncompressed data read from ZIP stream.
    def = new Deflater(9, true);
    sentFiles = new HashSet<String>();

    // Buffer input stream so input stream is read in chunks
    bis = new BufferedInputStream(fis);
    bos = new BufferedOutputStream(fos);

    // Effective temporary dir - if separate is required
    if (separateTempDir) {
        effectiveTempDir = File.createTempFile("temp_apk_dir_", "", new File(TEMP_DIR));
        effectiveTempDir.delete();
        effectiveTempDir.mkdir();
    } else {
        effectiveTempDir = new File(TEMP_DIR);
    }

    // Generate temporary APK filename
    tempApk = File.createTempFile("temp_apk_", ".apk", effectiveTempDir);
    if (tempApk.canWrite() == false) {
        throw new IOException("Temp file is not writable!");
    }

    FileOutputStream tos = new FileOutputStream(tempApk);

    // What we want here is to read input stream from the socket/pipe 
    // whatever, process it in ZIP logic and simultaneously to copy 
    // all read data to the temporary file - this reminds tee command
    // logic. This functionality can be found in TeeInputStream.
    TeeInputStream tis = new TeeInputStream(bis, tos);

    // Providing tis to ZipArchiveInputStream will copy all read data
    // to temporary tos file.
    zip = new ZipArchiveInputStream(tis);

    // List of all sent files, with data and hashes
    alMap = new HashMap<String, PostponedEntry>();

    // Output stream
    // If there is defined slow down stream, it is used for user output to
    // mitigate tampering time gap.
    OutputStream osToUse = bos;
    SlowDownStream sdStream = null;
    if (slowDownStream) {
        // New slow down output stream with internal pipe buffer 15MB.
        sdStream = new SlowDownStream(osToUse, 15 * 1024 * 1024);

        // If size of the APK is known, use it to set slow down parameters correctly.
        if (apkSize > 0) {
            setSlowDownParams();
        }

        if (!quiet) {
            System.err.println(String.format("Slown down stream will be used; apkSize=%d buffer=%d timeout=%d",
                    apkSize, slowDownBuffer, slowDownTimeout));
        }

        sdStream.setFlushBufferSize(slowDownBuffer);
        sdStream.setFlushBufferTimeout(slowDownTimeout);
        sdStream.start();

        osToUse = sdStream;
    }

    zop = new ZipArchiveOutputStream(osToUse);
    zop.setLevel(9);

    if (!quiet) {
        System.err.println("Patterns that will be excluded:");
        for (String regex : exclude) {
            System.err.println("  '" + regex + "'");
        }
        System.err.println();
    }

    // Read the archive
    ZipArchiveEntry ze = zip.getNextZipEntry();
    while (ze != null) {

        ZipExtraField[] extra = ze.getExtraFields(true);
        byte[] lextra = ze.getLocalFileDataExtra();
        UnparseableExtraFieldData uextra = ze.getUnparseableExtraFieldData();
        byte[] uextrab = uextra != null ? uextra.getLocalFileDataData() : null;
        byte[] ex = ze.getExtra();
        // ZipArchiveOutputStream.DEFLATED
        // 

        // Data for entry
        byte[] byteData = Utils.readAll(zip);
        byte[] deflData = new byte[0];
        int infl = byteData.length;
        int defl = 0;

        // If method is deflated, get the raw data (compress again).
        // Since ZIPStream automatically decompresses deflated files in read().
        if (ze.getMethod() == ZipArchiveOutputStream.DEFLATED) {
            def.reset();
            def.setInput(byteData);
            def.finish();

            byte[] deflDataTmp = new byte[byteData.length * 2];
            defl = def.deflate(deflDataTmp);

            deflData = new byte[defl];
            System.arraycopy(deflDataTmp, 0, deflData, 0, defl);
        }

        if (!quiet)
            System.err.println(String.format(
                    "ZipEntry: meth=%d " + "size=%010d isDir=%5s "
                            + "compressed=%07d extra=%d lextra=%d uextra=%d ex=%d " + "comment=[%s] "
                            + "dataDesc=%s " + "UTF8=%s " + "infl=%07d defl=%07d " + "name [%s]",
                    ze.getMethod(), ze.getSize(), ze.isDirectory(), ze.getCompressedSize(),
                    extra != null ? extra.length : -1, lextra != null ? lextra.length : -1,
                    uextrab != null ? uextrab.length : -1, ex != null ? ex.length : -1, ze.getComment(),
                    ze.getGeneralPurposeBit().usesDataDescriptor(),
                    ze.getGeneralPurposeBit().usesUTF8ForNames(), infl, defl, ze.getName()));

        final String curName = ze.getName();

        // Store zip entry to the map for later check after the APK is recompiled.
        // Hashes will be compared with the modified APK files after the process.
        PostponedEntry al = new PostponedEntry(ze, byteData, deflData);
        alMap.put(curName, al);

        // META-INF files should be always on the end of the archive, 
        // thus add postponed files right before them
        if (isPostponed(ze)) {
            // Capturing interesting files for us and store for later.
            // If the file is not interesting, send directly to the stream.
            if (!quiet)
                System.err.println("  Interesting file, postpone sending!!!");

        } else {
            // recompute CRC?
            if (recomputeCrc) {
                crc.reset();
                crc.update(byteData);
                final long newCrc = crc.getValue();

                if (!quiet && ze.getCrc() != newCrc && ze.getCrc() != -1) {
                    System.err.println("  Warning: file CRC mismatch!!! Original: [" + ze.getCrc() + "] real: ["
                            + newCrc + "]");
                }

                ze.setCrc(newCrc);
            }

            // Write ZIP entry to the archive
            zop.putArchiveEntry(ze);
            // Add file data to the stream
            zop.write(byteData, 0, infl);
            zop.closeArchiveEntry();
            zop.flush();

            // Mark file as sent.
            addSent(curName);
        }

        ze = zip.getNextZipEntry();
    }

    // Flush buffers
    zop.flush();
    fos.flush();

    // Cleaning up stuff, all reading streams can be closed now.
    zip.close();
    bis.close();
    fis.close();
    tis.close();
    tos.close();

    //
    // APK is finished here, all non-interesting files were sent to the 
    // zop strem (socket to the victim). Now APK transformation will
    // be performed, diff, sending rest of the files to zop.
    // 
    boolean doPadding = paddExtra > 0 || outBytes > 0;
    long flen = tempApk.length();
    if (outBytes <= 0) {
        outBytes = flen + paddExtra;
    }

    if (!quiet) {
        System.err.println("\nAPK reading finished, going to tamper downloaded " + " APK file ["
                + tempApk.toString() + "]; filezise=[" + flen + "]");

        System.err.println(String.format("Sent so far: %d kB in %f %% after adding padding it is %f %%",
                zop.getWritten() / 1024, 100.0 * (double) zop.getWritten() / (double) flen,
                100.0 * (double) zop.getWritten() / ((double) (outBytes > 0 ? outBytes : flen))));
    }

    // New APK was generated, new filename = "tempApk_tampered"
    newApk = new File(outFile == null ? getFileName(tempApk.getAbsolutePath()) : outFile);

    if (cmd == null) {
        // Simulation of doing some evil stuff on the temporary apk
        Thread.sleep(3000);

        if (!quiet)
            System.err.println(
                    "Tampered APK file: " + " [" + newApk.toString() + "]; filezise=[" + newApk.length() + "]");

        //
        // Since no tampering was performed right now we will simulate it by just simple
        // copying the APK file 
        //
        FileUtils.copyFile(tempApk, newApk);
    } else {
        try {
            // Execute command
            String cmd2exec;
            switch (cmdFormat) {
            case 0:
                cmd2exec = cmd + " " + tempApk.getAbsolutePath();
                break;
            case 1:
                cmd2exec = cmd.replaceAll(INPUT_APK_PLACEHOLDER, tempApk.getAbsolutePath());
                break;
            case 2:
                cmd2exec = cmd.replaceAll(INPUT_APK_PLACEHOLDER, tempApk.getAbsolutePath());
                cmd2exec = cmd2exec.replaceAll(OUTPUT_APK_PLACEHOLDER, newApk.getAbsolutePath());
                break;
            default:
                throw new IllegalArgumentException("Unknown command format number");
            }

            if (!quiet) {
                System.err.println("Command to be executed: " + cmd2exec);
                System.err.println("\n<CMDOUTPUT>");
            }

            long cmdStartTime = System.currentTimeMillis();
            CmdExecutionResult resExec = execute(cmd2exec, OutputOpt.EXECUTE_STD_COMBINE, null,
                    quiet ? null : System.err);
            long cmdStopTime = System.currentTimeMillis();

            if (!quiet) {
                System.err.println("</CMDOUTPUT>\n");
                System.err.println("Command executed. Return value: " + resExec.exitValue + "; tamperingTime="
                        + (cmdStopTime - cmdStartTime));
            }

        } catch (IOException e) {
            if (!quiet)
                e.printStackTrace(System.err);
        }
    }

    //
    // Now read new APK file with ZipInputStream and push new/modified files to the ZOP.
    //
    fis = new FileInputStream(newApk);
    bis = new BufferedInputStream(fis);
    zip = new ZipArchiveInputStream(bis);

    // Merge tampered APK to the final, but in this first time
    // do it to the external buffer in order to get final apk size.
    // Backup ZOP state to the clonned instance.
    zop.flush();

    long writtenBeforeDiff = zop.getWritten();

    ZipArchiveOutputStream zop_back = zop;
    zop = zop.cloneThis();

    // Set temporary byte array output stream, so original output stream is not
    // touched in this phase.
    ByteArrayOutputStream bbos = new ByteArrayOutputStream();
    zop.setOut(bbos);

    mergeTamperedApk(false, false);
    zop.flush();

    // Now output stream almost contains APK file, central directory is not written yet.
    long writtenAfterDiff = zop.getWritten();

    if (!quiet)
        System.err.println(String.format("Tampered apk size yet; writtenBeforeDiff=%d writtenAfterDiff=%d",
                writtenBeforeDiff, writtenAfterDiff));

    // Write central directory header to temporary buffer to discover its size.
    zop.writeFinish();
    zop.flush();
    bbos.flush();

    // Read new values
    long writtenAfterCentralDir = zop.getWritten();
    long centralDirLen = zop.getCdLength();
    byte[] buffAfterMerge = bbos.toByteArray();
    //int endOfCentralDir = (int) (buffAfterMerge.length - (writtenAfterCentralDir-writtenBeforeDiff));
    long endOfCentralDir = END_OF_CENTRAL_DIR_SIZE;

    // Determine number of bytes to add to APK.
    // padlen is number of bytes missing in APK to meet desired size in bytes.
    padlen = doPadding ? (outBytes - (writtenAfterCentralDir + endOfCentralDir)) : 0;

    // Compute number of files needed for padding.
    int padfiles = (int) Math.ceil((double) padlen / (double) (PAD_BLOCK_MAX));

    if (!quiet)
        System.err.println(String.format("Remaining to pad=%d, padfiles=%d " + "writtenAfterCentralDir=%d "
                + "centralDir=%d endOfCentralDir=%d centralDirOffset=%d " + "buffSize=%d total=%d desired=%d ",
                padlen, padfiles, writtenAfterCentralDir, centralDirLen, endOfCentralDir, zop.getCdOffset(),
                buffAfterMerge.length, writtenAfterCentralDir + endOfCentralDir, outBytes));

    if (padlen < 0) {
        throw new IllegalStateException("Padlen cannot be negative, please increase padding size");
    }

    // Close input streams for tampered APK
    try {
        zip.close();
        bis.close();
        fis.close();
    } catch (Exception e) {
        if (!quiet)
            e.printStackTrace(System.err);
    }

    // Merge again, now with pre-defined padding size.
    fis = new FileInputStream(newApk);
    bis = new BufferedInputStream(fis);
    zip = new ZipArchiveInputStream(bis);
    // Revert changes - use clonned writer stream.
    zop = zop_back;

    long writtenBeforeDiff2 = zop.getWritten();

    // Merge tampered APK, now for real, now with computed padding.
    mergeTamperedApk(true, true);
    zop.flush();

    long writtenAfterMerge2 = zop.getWritten();

    // Finish really        
    zop.finish();
    zop.flush();

    long writtenReally = zop.getWritten();
    long centralDirLen2 = zop.getCdLength();

    if (!quiet)
        System.err.println(String.format(
                "Write stats; " + "writtenBeforeDiff=%d writtenAfterDiff=%d "
                        + "writtenAfterCentralDir=%d centralDir=%d endOfCd=%d centralDirOffset=%d "
                        + "padlen=%d total=%d desired=%d",
                writtenBeforeDiff2, writtenAfterMerge2, writtenReally, centralDirLen2, endOfCentralDir,
                zop.getCdOffset(), padlen, writtenReally + endOfCentralDir, outBytes));

    // Will definitelly close (and finish if not yet) ZOP stream
    // and close underlying stream.
    zop.close();

    if (sdStream != null) {
        if (!quiet) {
            System.err.println("Waiting for sdStream to finish...");
        }

        // Wait for stream to finish dumping with pre-set speed, if it takes
        // too long (1 minute) switch slown down stream to dumping mode 
        // without any waiting.
        long startedDump = System.currentTimeMillis();
        while (sdStream.isRunning()) {
            long curTime = System.currentTimeMillis();
            if (startedDump != -1 && (curTime - startedDump) > 1000 * 120) {
                startedDump = -1;
                sdStream.flushPipes();
            }

            Thread.sleep(10);
        }

        if (!quiet) {
            System.err.println("SD stream finished, terminating...");
        }
    }

    // Should always be same
    if (!quiet && doPadding && writtenBeforeDiff != writtenBeforeDiff2) {
        System.err.println(String.format("Warning! Size before merge from pass1 and pass2 does not match."));
    }

    // If size is different, something went wrong.
    if (!quiet && doPadding && ((writtenReally + endOfCentralDir) != outBytes)) {
        System.err.println(String.format("Warning! Output size differs from desired size."));
    }

    bos.close();
    fos.close();

    // Delete temporary files if required
    if (deleteArtefacts) {
        try {
            if (newApk.exists()) {
                newApk.delete();
                if (!quiet)
                    System.err.println("Tampered APK removed. " + newApk.getAbsolutePath());
            }

            if (tempApk.exists()) {
                tempApk.delete();
                if (!quiet)
                    System.err.println("Original APK removed. " + tempApk.getAbsolutePath());
            }

            if (separateTempDir && effectiveTempDir.exists()) {
                FileUtils.deleteDirectory(effectiveTempDir);
                if (!quiet)
                    System.err.println("Temporary directory removed. " + effectiveTempDir.getAbsolutePath());
            }

            if (!quiet)
                System.err.println("Temporary files were removed.");
        } catch (IOException e) {
            if (!quiet)
                e.printStackTrace(System.err);
        }
    }

    if (!quiet)
        System.err.println("THE END!");
}