org.panbox.desktop.common.pairing.callables.NetworkPairingCallable.java Source code

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Here is the source code for org.panbox.desktop.common.pairing.callables.NetworkPairingCallable.java

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/*
 * 
 *               Panbox - encryption for cloud storage 
 *      Copyright (C) 2014-2015 by Fraunhofer SIT and Sirrix AG 
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Additonally, third party code may be provided with notices and open source
 * licenses from communities and third parties that govern the use of those
 * portions, and any licenses granted hereunder do not alter any rights and
 * obligations you may have under such open source licenses, however, the
 * disclaimer of warranty and limitation of liability provisions of the GPLv3 
 * will apply to all the product.
 * 
 */
package org.panbox.desktop.common.pairing.callables;

import java.net.BindException;
import java.net.InetAddress;
import java.nio.channels.ClosedByInterruptException;
import java.security.PrivateKey;
import java.security.UnrecoverableKeyException;
import java.security.cert.X509Certificate;
import java.util.ResourceBundle;
import java.util.concurrent.Callable;

import javax.swing.JOptionPane;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.log4j.Logger;
import org.panbox.Settings;
import org.panbox.core.identitymgmt.AbstractIdentity;
import org.panbox.core.pairing.PairingInformation;
import org.panbox.core.pairing.PairingNotificationReceiver;
import org.panbox.core.pairing.PAKCorePairingHandler.PairingType;
import org.panbox.core.pairing.PairingNotificationReceiver.PairingResult;
import org.panbox.core.pairing.network.NetworkPairingInformation;
import org.panbox.core.pairing.network.PAKNetworkPairingHandler;
import org.panbox.desktop.common.PanboxClient;
import org.panbox.desktop.common.devicemgmt.DeviceManagerException;
import org.panbox.desktop.common.gui.PleaseWaitDialog;

public class NetworkPairingCallable implements Callable<Void> {

    private final PairingType type;
    private final NetworkPairingInformation info;
    private final String password;
    private final PairingNotificationReceiver receiver;
    private final char[] keyPassword;
    private final PanboxClient client;

    public NetworkPairingCallable(PairingType type, PairingInformation info, String password,
            PairingNotificationReceiver receiver, char[] keyPassword, PanboxClient client) {
        this.type = type;
        this.info = (NetworkPairingInformation) info;
        this.password = password;
        this.receiver = receiver;
        this.keyPassword = ArrayUtils.clone(keyPassword);
        this.client = client;
    }

    protected static final Logger logger = Logger.getLogger("org.panbox");

    protected static final ResourceBundle bundle = ResourceBundle
            .getBundle("org.panbox.desktop.common.gui.Messages", Settings.getInstance().getLocale());

    @Override
    public Void call() throws Exception {
        PAKNetworkPairingHandler handler = null;
        try {
            PleaseWaitDialog dialog = new PleaseWaitDialog(null,
                    bundle.getString("client.pairing.pleasewait.message"));
            dialog.setLocationRelativeTo(null);

            logger.debug("NetworkPairingCallable : Pairing started protocol.");

            String deviceName = info.getDeviceName();

            AbstractIdentity myId = client.getIdentity();

            switch (type) {
            case MASTER:
                logger.debug("NetworkPairingCallable : Pairing started MASTER protocol.");
                try {
                    PrivateKey ownerKeyEnc = myId.getPrivateKeyEnc(keyPassword);
                    PrivateKey ownerKeySign = myId.getPrivateKeySign(keyPassword);
                    handler = new PAKNetworkPairingHandler((InetAddress) info.getPairingAddress(), password,
                            myId.getEmail(), myId.getFirstName(), myId.getName(), deviceName, keyPassword,
                            ownerKeyEnc, ownerKeySign, client.getDevicePairingMap(),
                            client.getContactsPairingList());
                } catch (UnrecoverableKeyException e) {
                    logger.debug("NetworkPairingCallable : Wrong password!");
                    receiver.inform(PairingResult.QUITEFAILED);
                    JOptionPane.showMessageDialog(null, bundle.getString("BluetoothPairingCallable.wrongPassword"),
                            bundle.getString("BluetoothPairingCallable.errorWhilePairing"),
                            JOptionPane.ERROR_MESSAGE);
                    return null;
                }
                break;
            case SLAVE:
                logger.debug("NetworkPairingCallable : Pairing started SLAVE protocol.");
                X509Certificate ownerCertEnc = myId.getCertEnc();
                X509Certificate ownerCertSign = myId.getCertSign();
                handler = new PAKNetworkPairingHandler((InetAddress) info.getPairingAddress(), password,
                        myId.getEmail(), myId.getFirstName(), myId.getName(), deviceName, ownerCertEnc,
                        ownerCertSign, client.getDevicePairingMap(), client.getContactsPairingList());
                break;
            }
            logger.debug("NetworkPairingCallable : Pairing waiting for socket connect.");
            handler.acceptConnection();
            dialog.setVisible(true);
            logger.debug("NetworkPairingCallable : Pairing socket connected!");
            handler.runProtocol();
            try {
                handler.closeConnection();
            } catch (Exception e) {
                logger.debug("NetworkPairingCallable : Connection was already closed. Thats OK.");
            }
            logger.debug("NetworkPairingCallable : Will add device to device list.");
            try {
                client.deviceManager.addDevice(deviceName, handler.getDevCert(), handler.getDevType());
                client.refreshDeviceListModel();
            } catch (DeviceManagerException ex) {
                logger.error("NetworkPairingCallable : Could not add device to device list.", ex);
            }
            dialog.dispose();
            logger.debug("NetworkPairingCallable : Pairing ended after protocol successfully.");
            handler = null;
            System.gc();
            receiver.inform(PairingResult.SUCCESS);
        } catch (ClosedByInterruptException ex) {
            logger.debug("NetworkPairingCallable : Pairing has been canceled.");
        } catch (BindException ex) {
            logger.debug("NetworkPairingCallable : Interface is already in use!");
            receiver.inform(PairingResult.QUITEFAILED);
            JOptionPane.showMessageDialog(null, bundle.getString("NetworkPairingCallable.interfaceAlreadyInUse"),
                    bundle.getString("BluetoothPairingCallable.errorWhilePairing"), JOptionPane.ERROR_MESSAGE);
        } catch (Exception ex) {
            logger.debug("NetworkPairingCallable : Pairing failed.", ex);
            receiver.inform(PairingResult.FAILED);
        } finally {
            try {
                if (handler != null) {
                    handler.closeConnection();
                }
            } catch (Exception e) {
                logger.debug("NetworkPairingCallable : Connection was already closed. Thats OK.");
            }
        }
        return null;
    }

}