Example usage for java.security DigestInputStream DigestInputStream

Introduction

In this page you can find the example usage for java.security DigestInputStream DigestInputStream.

Prototype

public DigestInputStream(InputStream stream, MessageDigest digest) 

Source Link

Document

Creates a digest input stream, using the specified input stream and message digest.

Usage

From source file:nl.knaw.dans.easy.sword2examples.SimpleDeposit.java

public static URI depositPackage(File bagDir, IRI colIri, String uid, String pw) throws Exception {
    // 0. Zip the bagDir
    File zipFile = new File(bagDir.getAbsolutePath() + ".zip");
    zipFile.delete();//w w  w  .  ja v a2 s.co m
    Common.zipDirectory(bagDir, zipFile);

    // 1. Set up stream for calculating MD5
    MessageDigest md = MessageDigest.getInstance("MD5");
    try (FileInputStream fis = new FileInputStream(zipFile);
            DigestInputStream dis = new DigestInputStream(fis, md)) {

        // 2. Post entire bag to Col-IRI
        CloseableHttpClient http = Common.createHttpClient(colIri.toURI(), uid, pw);
        CloseableHttpResponse response = Common.sendChunk(dis, (int) zipFile.length(), "POST", colIri.toURI(),
                "bag.zip", "application/zip", http, false);

        // 3. Check the response. If transfer corrupt (MD5 doesn't check out), report and exit.
        String bodyText = Common.readEntityAsString(response.getEntity());
        if (response.getStatusLine().getStatusCode() != 201) {
            System.err.println("FAILED. Status = " + response.getStatusLine());
            System.err.println("Response body follows:");
            System.err.println(bodyText);
            System.exit(2);
        }
        System.out.println("SUCCESS. Deposit receipt follows:");
        System.out.println(bodyText);

        // 4. Get the statement URL. This is the URL from which to retrieve the current status of the deposit.
        System.out.println("Retrieving Statement IRI (Stat-IRI) from deposit receipt ...");
        Entry receipt = Common.parse(bodyText);
        Link statLink = receipt.getLink("http://purl.org/net/sword/terms/statement");
        IRI statIri = statLink.getHref();
        System.out.println("Stat-IRI = " + statIri);

        // 5. Check statement every ten seconds (a bit too frantic, but okay for this test). If status changes:
        // report new status. If status is an error (INVALID, REJECTED, FAILED) or ARCHIVED: exit.
        return Common.trackDeposit(http, statIri.toURI());
    }
}

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From source file:eu.peppol.document.PayloadDigestCalculator.java

public static MessageDigestResult calcDigest(String algorithm, StandardBusinessDocumentHeader sbdh,
        InputStream inputStream) {
    MessageDigest messageDigest;/*from  w  w  w  . j a  va 2  s . c  o m*/

    try {
        messageDigest = MessageDigest.getInstance(algorithm);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(
                "Unknown digest algorithm " + OxalisConstant.DEFAULT_DIGEST_ALGORITHM + " " + e.getMessage(),
                e);
    }

    InputStream inputStreamToCalculateDigestFrom = null;

    ManifestItem manifestItem = SbdhFastParser.searchForAsicManifestItem(sbdh);
    if (manifestItem != null) {
        // creates an FilterInputStream, which will extract the ASiC in binary format.
        inputStreamToCalculateDigestFrom = new Base64InputStream(new AsicFilterInputStream(inputStream));
    } else
        inputStreamToCalculateDigestFrom = inputStream;

    DigestInputStream digestInputStream = new DigestInputStream(
            new BufferedInputStream(inputStreamToCalculateDigestFrom), messageDigest);
    try {
        IOUtils.copy(digestInputStream, new NullOutputStream());
    } catch (IOException e) {
        throw new IllegalStateException("Unable to calculate digest for payload");
    }

    return new MessageDigestResult(messageDigest.digest(), messageDigest.getAlgorithm());
}

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From source file:rapture.plugin.install.PluginContentReader.java

public static byte[] readFromZip(ZipFile zip, ZipEntry entry, MessageDigest md) throws IOException {
    DigestInputStream is = new DigestInputStream(zip.getInputStream(entry), md);

    return readFromStream(is);
}

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From source file:com.lightboxtechnologies.ingest.Uploader.java

public int run(String[] args) throws IOException {
    if (args.length != 1) {
        System.err.println("Usage: Uploader <dest path>");
        System.err.println("Writes data to HDFS path from stdin");
        return 2;
    }// w  w  w  . ja v a 2 s  .  com

    final String dst = args[0];

    final Configuration conf = getConf();

    final MessageDigest hasher = FsEntryUtils.getHashInstance("MD5");
    final DigestInputStream hashedIn = new DigestInputStream(System.in, hasher);

    final FileSystem fs = FileSystem.get(conf);
    final Path path = new Path(dst);
    final FSDataOutputStream outFile = fs.create(path, true);

    IOUtils.copyLarge(hashedIn, outFile, new byte[1024 * 1024]);
    System.out.println(Hex.encodeHexString(hasher.digest()));
    return 0;
}

---

From source file:org.unitils.dbmaintainer.script.ScriptContentHandle.java

/**
 * Opens a stream to the content of the script.
 * /*from   ww  w  .j ava  2 s  .  c  o  m*/
 * NOTE: do not forget to close the stream after usage.
 *
 * @return The content stream, not null
 */
public Reader openScriptContentReader() {
    scriptDigest = getScriptDigest();
    scriptReader = new InputStreamReader(new DigestInputStream(getScriptInputStream(), scriptDigest));
    return scriptReader;
}

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From source file:net.minecrell.serverlistplus.canary.SnakeYAML.java

@SneakyThrows
public static void load(Plugin plugin) {
    try { // Check if it is already loaded
        Class.forName("org.yaml.snakeyaml.Yaml");
        return;/* www . j a  v  a 2  s  . c o  m*/
    } catch (ClassNotFoundException ignored) {
    }

    Path path = Paths.get("lib", SNAKE_YAML_JAR);

    if (Files.notExists(path)) {
        Files.createDirectories(path.getParent());

        plugin.getLogman().info("Downloading SnakeYAML...");

        URL url = new URL(SNAKE_YAML);
        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");

        try (ReadableByteChannel source = Channels.newChannel(new DigestInputStream(url.openStream(), sha1));
                FileChannel out = FileChannel.open(path, StandardOpenOption.CREATE_NEW,
                        StandardOpenOption.WRITE)) {
            out.transferFrom(source, 0, Long.MAX_VALUE);
        }

        if (!new String(Hex.encodeHex(sha1.digest())).equals(EXPECTED_HASH)) {
            Files.delete(path);
            throw new IllegalStateException(
                    "Downloaded SnakeYAML, but checksum check failed. Please try again later.");
        }

        plugin.getLogman().info("Successfully downloaded!");
    }

    loadJAR(path);
}

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From source file:com.github.ffremont.microservices.springboot.node.tasks.InstallJarTask.java

@Override
public void run(MicroServiceTask task) throws TaskException {
    Path msVersionFolder = helper.targetDirOf(task.getMs());
    Path checksumPath = Paths.get(msVersionFolder.toString(), InstallTask.CHECKSUM_FILE_NAME + ".txt");
    Path jarTarget = helper.targetJarOf(task.getMs());

    try {//from   w  w  w. jav  a2 s.  c  o m
        if (task.getJar() == null) {
            throw new InvalidInstallationException("Jar indisponible dans l'objet MicroServiceTask");
        }

        Files.copy(task.getJar(), jarTarget);
        MessageDigest md = MessageDigest.getInstance("SHA-1");

        try (DigestInputStream digestIs = new DigestInputStream(new FileInputStream(jarTarget.toFile()), md)) {
            byte[] buffer = new byte[10240]; // 10ko
            while (0 < digestIs.read(buffer)) {
            }

            digestIs.close();
        }
        byte[] checksumTarget = md.digest();

        if (!String.format("%032X", new BigInteger(1, checksumTarget))
                .equals(task.getMs().getSha1().toUpperCase())) {
            throw new InvalidInstallationException(
                    "Le checksum n'est pas valide suite  la copie : " + this.nodeBase);
        }

        Files.write(checksumPath, task.getMs().getSha1().getBytes());
        LOG.debug("Cration du fichier checksum.txt");
    } catch (IOException | NoSuchAlgorithmException ex) {
        throw new InvalidInstallationException("Impossible d'installer le jar", ex);
    }
}

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From source file:org.ancoron.hazelcast.rest.osgi.HazelcastServiceTest.java

@Test
public void lifecycleSimple() throws Exception {
    Config cfg = new Config("HazelcastServiceTest");

    // disable multicast...
    cfg.getNetworkConfig().getJoin().getMulticastConfig().setEnabled(false);

    HazelcastInstance hz = Hazelcast.newHazelcastInstance(cfg);

    HazelcastMapServlet service = new HazelcastMapServlet();
    service.setHazelcast(hz);/*from  ww w  . j a  v  a2  s  .  c o m*/

    // Step #1: create a bucket
    service.createBucket("A", 60, 0, 128);

    // Step #2: insert some data for a key
    MessageDigest md5 = DigestUtils.getMd5Digest();
    MessageDigest sha1 = DigestUtils.getSha1Digest();
    try (InputStream testData = new DigestInputStream(new DigestInputStream(stream("test.json"), sha1), md5)) {
        service.setValue("A", "1", "application/json", 171, testData);
    }

    // Step #3: fetch some data for a key
    byte[] value = service.getValue("A", "1");
    byte[] data = new byte[value.length - 1];
    System.arraycopy(value, 1, data, 0, data.length);

    Assert.assertThat(DigestUtils.md5Hex(data), CoreMatchers.is(Hex.encodeHexString(md5.digest())));
    Assert.assertThat(DigestUtils.sha1Hex(data), CoreMatchers.is(Hex.encodeHexString(sha1.digest())));

    // Step #4: delete the bucket
    service.deleteBucket("A");
}

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From source file:ch.cyberduck.core.b2.B2SingleUploadService.java

@Override
protected InputStream decorate(final InputStream in, final MessageDigest digest) throws IOException {
    if (null == digest) {
        return super.decorate(in, null);
    } else {// w w  w  .j  a  va 2 s .  com
        return new DigestInputStream(super.decorate(in, digest), digest);
    }
}

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From source file:me.lachlanap.summis.downloader.VerifierCallable.java

@Override
public Void call() throws Exception {
    Path file = binaryRoot.resolve(info.getName());
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
    byte[] buffer = new byte[1024];
    try (final InputStream is = Files.newInputStream(file)) {
        DigestInputStream dis = new DigestInputStream(new DigestInputStream(is, md5), sha1);
        while (dis.read(buffer) != -1) {
            ;/*from  w ww. j a v a2s.c o m*/
        }
    }
    String md5Digest = new String(Hex.encodeHex(md5.digest()));
    String sha1Digest = new String(Hex.encodeHex(sha1.digest()));
    if (!md5Digest.equals(info.getMD5Digest()) || !sha1Digest.equals(info.getSHA1Digest()))
        throw new RuntimeException(info.getName() + " failed verification");
    downloadListener.completedAVerify();
    return null;
}

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