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/*
 This file is part of GNUnet.
  (C) 2012, 2013 Christian Grothoff (and other contributing authors)

  GNUnet is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published
  by the Free Software Foundation; either version 3, or (at your
  option) any later version.

  GNUnet 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with GNUnet; see the file COPYING.  If not, write to the
  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  Boston, MA 02111-1307, USA.
 */
package org.gnunet.voting;

import com.google.common.collect.Maps;
import org.gnunet.mesh.Mesh;
import org.gnunet.mesh.MeshRunabout;
import org.gnunet.testbed.CompressedConfig;
import org.gnunet.util.*;
import org.gnunet.voting.messages.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;

/**
 * Gives a voter a certificate that acknowledges that he belongs to a certain group
 * (e.g. all people from bavaria over 18 years old)
 */
public class CertificateAuthorityDaemon extends Program {
    private static final Logger logger = LoggerFactory
            .getLogger(CertificateAuthorityDaemon.class);

    public static final int MESH_PORT = 1002;
    private Mesh mesh;

    public class CaMeshReceiver extends MeshRunabout {
        public void visit(CertificateRequestMessage m) {
            logger.info("granting group cert for '" + m.group + "'");
            CertificateGrantMessage gm = new CertificateGrantMessage();
            gm.expiration = AbsoluteTime.FOREVER.asMessage();
            gm.groupCertificate = CryptoECC.Signature.randomSignature();
            getSender().receiveDone();
        }
    }

    public CertificateAuthorityDaemon(String[] args) {
        super(args);
    }

    public static void main(String[] args) {
        CertificateAuthorityDaemon daemon = new CertificateAuthorityDaemon(args);
        daemon.start();
    }

    @Override
    public void run() {
        logger.info("running ca daemon");
        mesh = new Mesh(getConfiguration(), null, null, new CaMeshReceiver(), MESH_PORT);
    }
}