Example usage for org.apache.commons.codec.binary Base64 decodeBase64

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Base64 decodeBase64.

Prototype

public static byte[] decodeBase64(final byte[] base64Data)

Source Link

Document

Decodes Base64 data into octets

Usage

From source file:de.tudarmstadt.ukp.dkpro.argumentation.sequence.feature.meta.AbstractSequenceMetaDataFeatureGenerator.java

@SuppressWarnings("unchecked")
public static List<String> decodeFromString(String featureValue) throws TextClassificationException {
    if (featureValue == null || featureValue.isEmpty()) {
        throw new TextClassificationException(
                "MetaData feature value is empty. Maybe " + "you forgot to add the feature generator "
                        + AbstractSequenceMetaDataFeatureGenerator.class.getName());
    }// w w w. j  av a  2  s . c o m

    try {
        byte[] bytes = Base64.decodeBase64(featureValue);
        ObjectInputStream objectInputStream = new ObjectInputStream(new ByteArrayInputStream(bytes));

        return (List<String>) objectInputStream.readObject();

    } catch (IOException | ClassNotFoundException e) {
        throw new TextClassificationException(e);
    }
}

From source file:com.cloudera.science.quince.VariantContextToVariantFn.java

@Override
public void initialize() {
    try {//from  w ww. ja  v a  2  s  .  c  o m
        converter = new VariantContext2VariantConverter();
        byte[] variantHeaders = Base64.decodeBase64(getConfiguration().get(VARIANT_HEADER));
        VcfBlockIterator iterator = new VcfBlockIterator(new ByteArrayInputStream(variantHeaders),
                new FullVcfCodec());

        header = iterator.getHeader();

        int gtSize = header.getGenotypeSamples().size();

        variantConverterContext = new VariantConverterContext();

        VariantSet vs = new VariantSet();
        //        vs.setId(file.getName());
        //        vs.setDatasetId(file.getName());
        //        vs.setReferenceSetId("test");
        vs.setId("test"); //TODO
        vs.setDatasetId("test");
        vs.setReferenceSetId("test");

        List<String> genotypeSamples = header.getGenotypeSamples();
        Genotype2CallSet gtConverter = new Genotype2CallSet();
        for (int gtPos = 0; gtPos < gtSize; ++gtPos) {
            CallSet cs = gtConverter.forward(genotypeSamples.get(gtPos));
            cs.getVariantSetIds().add(vs.getId());
            variantConverterContext.getCallSetMap().put(cs.getName(), cs);
            //                callWriter.write(cs);
        }

        converter.setContext(variantConverterContext);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:cl.niclabs.tscrypto.common.encryption.KeyChain.java

public byte[] decrypt(String rsaKeyAlias, String encryptedData) {
    byte[] decrypted = null;

    try {//from   w  ww.  j  a va 2s  .c o  m
        Cipher decipher = Cipher.getInstance("RSA");
        decipher.init(Cipher.DECRYPT_MODE, getPrivateKey(rsaKeyAlias));
        decrypted = decipher.doFinal(Base64.decodeBase64(encryptedData));
    } catch (NoSuchAlgorithmException | UnrecoverableEntryException | KeyStoreException | NoSuchPaddingException
            | InvalidKeyException | IllegalBlockSizeException | BadPaddingException e) {
        e.printStackTrace();
    }
    return decrypted;
}

From source file:ar.gob.ambiente.servicios.gestionpersonas.entidades.util.CriptPass.java

/**
 * Mtodo para desencriptar una contrasea encriptada
 * @param textoEncriptado//from www .  j  a v a2 s .  c o  m
 * @return
 * @throws Exception 
 */
public static String desencriptar(String textoEncriptado) throws Exception {

    String secretKey = "zorbazorbas"; //llave para encriptar datos
    String base64EncryptedString = "";

    try {
        byte[] message = Base64.decodeBase64(textoEncriptado.getBytes("utf-8"));
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8"));
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
        SecretKey key = new SecretKeySpec(keyBytes, "DESede");

        Cipher decipher = Cipher.getInstance("DESede");
        decipher.init(Cipher.DECRYPT_MODE, key);

        byte[] plainText = decipher.doFinal(message);

        base64EncryptedString = new String(plainText, "UTF-8");

    } catch (UnsupportedEncodingException | NoSuchAlgorithmException | NoSuchPaddingException
            | InvalidKeyException | IllegalBlockSizeException | BadPaddingException ex) {
        System.out.println(ex.getMessage());
    }
    return base64EncryptedString;
}

From source file:com.bconomy.autobit.Encryption.java

public static String decrypt(String cyphertext) {
    if (cyphertext == null || cyphertext.equals("") || !Base64.isBase64(cyphertext))
        return "";
    try {/*from   w  w  w.  java2s  .  com*/
        return new String(decrypt(Base64.decodeBase64(cyphertext)), "UTF-8");
    } catch (UnsupportedEncodingException ex) {
        ex.printStackTrace();
    }
    return "";
}

From source file:com.microsoft.azure.batch.auth.BatchCredentialsInterceptor.java

private String sign(String accessKey, String stringToSign) {
    try {//from www  .  j  ava2  s .  c o  m
        // Encoding the Signature
        // Signature=Base64(HMAC-SHA256(UTF8(StringToSign)))
        Mac hmac = Mac.getInstance("hmacSHA256");
        hmac.init(new SecretKeySpec(Base64.decodeBase64(accessKey), "hmacSHA256"));
        byte[] digest = hmac.doFinal(stringToSign.getBytes("UTF-8"));
        return Base64.encodeBase64String(digest);
    } catch (Exception e) {
        throw new IllegalArgumentException("accessKey", e);
    }
}

From source file:com.hobba.hobaserver.services.security.TokenUtil.java

public boolean authenticateToken(String token, String kid) {
    byte[] decodedToken = Base64.decodeBase64(token.getBytes());
    String decodedTokenString = new String(decodedToken);
    String[] fields = decodedTokenString.split(":");

    HobaKeysFacadeREST hkfrest = new HobaKeysFacadeREST();
    HobaKeys hk = hkfrest.findHKIDbyKID(fields[0]);
    int userID = hk.getIdDevices().getIduser().getIdUser();
    HobaUser hu = hk.getIdDevices().getIduser();

    HobaTokenFacadeREST htfrest = new HobaTokenFacadeREST();
    HobaToken ht = htfrest.findTokenbyToken(fields[1]);
    Date date = new Date();

    if (ht.getExpiration() != null) {

        if (date.after(ht.getExpiration())) {
            return false;
        }//from   ww  w  .j a  v a2s.c  om
    } else {
        if (!ht.getIsValid()) {
            return false;
        }
        ht.setIsValid(Boolean.FALSE);
    }

    HobaUser hu1 = ht.getIdUser();
    if (hu.getIdUser() != userID) {
        return false;
    }
    hk = hkfrest.findHKIDbyKID(kid);
    HobaDevices hd = hk.getIdDevices();
    hd.setIduser(hu);
    HobaDevicesFacadeREST hdfrest = new HobaDevicesFacadeREST();
    htfrest.create(ht);
    hdfrest.create(hd);
    return true;

}

From source file:com.jxt.web.filter.RpcURLPatternFilter.java

public RpcURLPatternFilter(String urlPattern, ServiceTypeRegistryService serviceTypeRegistryService,
        AnnotationKeyRegistryService annotationKeyRegistryService) {
    if (urlPattern == null) {
        throw new NullPointerException("urlPattern must not be null");
    }/* ww w .  ja  v  a2  s .c  o  m*/
    // TODO remove decode
    this.urlPattern = new String(Base64.decodeBase64(urlPattern), UTF8);
    // TODO serviceType rpctype

    this.serviceTypeRegistryService = serviceTypeRegistryService;
    this.annotationKeyRegistryService = annotationKeyRegistryService;
    this.npcUrl = this.annotationKeyRegistryService.findAnnotationKeyByName("npc.url");
}

From source file:com.cloudera.kitten.util.LocalDataHelper.java

public static <T> Map<String, T> deserialize(String serialized) {
    byte[] data = Base64.decodeBase64(serialized);
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    Map<String, T> mapping = null;
    try {//from   w  w w  .  ja  va 2  s.  c  o  m
        ObjectInputStream ois = new ObjectInputStream(bais);
        mapping = (Map<String, T>) ois.readObject();
        ois.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return mapping;
}

From source file:com.nestedbird.util.UUIDConverter.java

/**
 * Converts a Base64 encoded string to a string represented UUID
 *
 * @param base64String Base64 Representation of the UUID
 * @return String represented UUID/*w  ww .ja v a  2 s  .co  m*/
 * @throws NullPointerException     String must not be null
 * @throws IllegalArgumentException String should be 22 characters long
 */
public static String fromBase64(final String base64String) {
    if (base64String == null)
        throw new NullPointerException("String cannot be null");
    if (base64String.length() != 22)
        throw new IllegalArgumentException("String should be 22 characters long");

    final byte[] bytes = Base64.decodeBase64(base64String);
    final ByteBuffer bb = ByteBuffer.wrap(bytes);
    final UUID uuid = new UUID(bb.getLong(), bb.getLong());
    return uuid.toString();
}