/*
 *
 * Copyright (c) 2013 - 2017 Lijun Liao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 *
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the XiPKI software without
 * disclosing the source code of your own applications.
 *
 * For more information, please contact Lijun Liao at this
 * address: lijun.liao@gmail.com
 */

package org.xipki.pki.ca.jscep.client.shell;

import java.io.File;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;

import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Completion;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.jscep.client.Client;
import org.xipki.commons.console.karaf.CmdFailure;
import org.xipki.commons.console.karaf.completer.FilePathCompleter;
import org.xipki.commons.security.util.X509Util;

/**
 * @author Lijun Liao
 * @since 2.0.0
 */

@Command(scope = "xipki-jscep", name = "getcrl",
        description = "download CRL")
@Service
public class GetCrlCmd extends ClientCommandSupport {

    @Option(name = "--cert", aliases = "-c",
            required = true,
            description = "certificate\n"
                    + "(required)")
    @Completion(FilePathCompleter.class)
    private String certFile;

    @Option(name = "--out", aliases = "-o",
            required = true,
            description = "where to save the certificate\n"
                    + "(required)")
    @Completion(FilePathCompleter.class)
    private String outputFile;

    @Override
    protected Object doExecute() throws Exception {
        X509Certificate cert = X509Util.parseCert(new File(certFile));
        Client client = getScepClient();
        X509CRL crl = client.getRevocationList(getIdentityCert(), getIdentityKey(),
                cert.getIssuerX500Principal(), cert.getSerialNumber());
        if (crl == null) {
            throw new CmdFailure("received no CRL from server");
        }

        saveVerbose("saved CRL to file", new File(outputFile), crl.getEncoded());
        return null;
    }

}