org.jnotary.dvcs.util.DvcsHelper.java Source code

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Here is the source code for org.jnotary.dvcs.util.DvcsHelper.java

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/*******************************************************************************
 * Copyright (c) 2013 aib.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     aib - initial API and implementation
 ******************************************************************************/
package org.jnotary.dvcs.util;

import org.bouncycastle.asn1.DERGeneralizedTime;
import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.x509.Certificate;
import org.bouncycastle.asn1.x509.DigestInfo;
import org.jnotary.dvcs.CertEtcToken;
import org.jnotary.dvcs.DVCSRequest;
import org.jnotary.dvcs.DVCSRequestInformation;
import org.jnotary.dvcs.DVCSTime;
import org.jnotary.dvcs.Data;
import org.jnotary.dvcs.ServiceType;
import org.jnotary.dvcs.TargetEtcChain;

public class DvcsHelper {

    static {
        //      RegisterBuiltin.register(ResteasyProviderFactory.getInstance());
    }

    private static DVCSRequest createRequestWithOctets(int serviceType, byte[] reqdata, Long nonce) {
        DEROctetString message = new DEROctetString(reqdata);
        Data data = new Data(message);
        DVCSRequestInformation requestInformation = new DVCSRequestInformation(serviceType);
        requestInformation.setNonce(new DERInteger(nonce));
        DVCSTime requestTime = new DVCSTime(new DERGeneralizedTime(new java.util.Date()));
        requestInformation.setRequestTime(requestTime);
        return new DVCSRequest(requestInformation, data);
    }

    public static DVCSRequest createCpd(byte[] reqdata, Long nonce) throws Exception {
        try {
            return createRequestWithOctets(ServiceType.CPD, reqdata, nonce);
        } catch (Exception e) {
            throw new Exception("Can't create cpd request: " + e.getLocalizedMessage());
        }
    }

    public static DVCSRequest createVsd(byte[] reqdata, Long nonce) throws Exception {
        try {
            return createRequestWithOctets(ServiceType.VSD, reqdata, nonce);
        } catch (Exception e) {
            throw new Exception("Can't create vsd request: " + e.getLocalizedMessage());
        }
    }

    public static DVCSRequest createCcpd(DigestInfo messageImprint, Long nonce) throws Exception {
        try {
            Data data = new Data(messageImprint);
            DVCSRequestInformation requestInformation = new DVCSRequestInformation(ServiceType.CCPD);
            requestInformation.setNonce(new DERInteger(nonce));
            DVCSTime requestTime = new DVCSTime(new DERGeneralizedTime(new java.util.Date()));
            requestInformation.setRequestTime(requestTime);
            return new DVCSRequest(requestInformation, data);
        } catch (Exception e) {
            throw new Exception("Can't create ccpd request: " + e.getLocalizedMessage());
        }
    }

    public static DVCSRequest createVpkc(byte[] reqdata, Long nonce) throws Exception {
        try {
            TargetEtcChain[] chain = new TargetEtcChain[1];
            CertEtcToken target = new CertEtcToken(Certificate.getInstance(reqdata));
            chain[0] = new TargetEtcChain(target, null, null);
            Data data = new Data(chain);

            DVCSRequestInformation requestInformation = new DVCSRequestInformation(ServiceType.VPKC);
            requestInformation.setNonce(new DERInteger(nonce));
            DVCSTime requestTime = new DVCSTime(new DERGeneralizedTime(new java.util.Date()));
            requestInformation.setRequestTime(requestTime);
            return new DVCSRequest(requestInformation, data);
        } catch (Exception e) {
            throw new Exception("Can't create vpkc request: " + e.getLocalizedMessage());
        }
    }
}