final GetObjectArgs args = GetObjectArgs.builder().bucket(fessConfig.getStorageBucket()).object(objectName).build();
        try (InputStream in = createClient(fessConfig).getObject(args)) {
            out.write(in);
        } catch (final Exception e) {
            throw new StorageException("Failed to download " + objectName, e);
        }
    }

    private WebApiUtil() {
    }

    public static void setObject(final String name, final Object value) {
        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(name, value));
    }

    @SuppressWarnings("unchecked")
    public static <T> T getObject(final String name) {
        return LaRequestUtil.getOptionalRequest().map(req -> (T) req.getAttribute(name)).orElse(null);

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString () {
        return "Kerb5Authenticatior[subject=" + ( this.getSubject() != null ? this.getSubject().getPrincipals() : null ) + ",user=" + this.user
                + ",realm=" + this.realm + "]";
    }

            ASN1TaggedObject tagged = (ASN1TaggedObject) der.readObject();
            ASN1Sequence sequence = ASN1Sequence.getInstance(tagged, true);
            Enumeration<?> fields = sequence.getObjects();
            while ( fields.hasMoreElements() ) {
                tagged = (ASN1TaggedObject) fields.nextElement();
                switch ( tagged.getTagNo() ) {
                case 0:

                }
                ASN1Sequence sequence = ASN1Sequence.getInstance(tagged, true);
                Enumeration<ASN1Object> fields = sequence.getObjects();
                while ( fields.hasMoreElements() ) {
                    tagged = (ASN1TaggedObject) fields.nextElement();
                    switch ( tagged.getTagNo() ) {
                    case 0:

    /**
     * @return subject associated with the credentials
     */
    Subject getSubject ();


    /**
     * @throws CIFSException
     * 
     */
    void refresh () throws CIFSException;

        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        Enumeration<?> fields = sequence.getObjects();
        while ( fields.hasMoreElements() ) {
            ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields);

            switch ( tagged.getTagNo() ) {
            case 0: // Ticket Flags

            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        Enumeration<?> fields = sequence.getObjects();
        while ( fields.hasMoreElements() ) {
            ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields);
            switch ( tagged.getTagNo() ) {
            case 0:// Kerberos version

        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        this.authorizations = new ArrayList<>();
        Enumeration<?> authElements = authSequence.getObjects();
        while ( authElements.hasMoreElements() ) {
            ASN1Sequence authElement = ASN1Util.as(ASN1Sequence.class, authElements);

     *
     * @see jcifs.smb.Kerb5Authenticator#getSubject()
     */
    @Override
    public synchronized Subject getSubject () {
        if ( this.cachedSubject != null ) {
            return this.cachedSubject;
        }

        try {
            log.debug("Logging on");
            LoginContext lc;

	    Subject ps = super.getSubject();

            if ( this.configuration != null ) {