be.fedict.eid.tsl.tool.SignSelectCertificatePanel.java Source code

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Here is the source code for be.fedict.eid.tsl.tool.SignSelectCertificatePanel.java

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/*
 * eID TSL Project.
 * Copyright (C) 2009 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.tsl.tool;

import java.awt.Component;
import java.io.IOException;
import java.security.PrivateKey;
import java.security.KeyStore.PrivateKeyEntry;
import java.security.cert.X509Certificate;
import java.util.List;

import javax.swing.BoxLayout;
import javax.swing.DefaultListModel;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.event.ChangeListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openide.WizardValidationException;
import org.openide.WizardDescriptor.ValidatingPanel;
import org.openide.util.HelpCtx;

import be.fedict.eid.tsl.Pkcs11Token;
import be.fedict.eid.tsl.TrustServiceList;

public class SignSelectCertificatePanel implements ValidatingPanel<Object> {

    private static final Log LOG = LogFactory.getLog(SignSelectCertificatePanel.class);

    private final JPanel component;

    private final JList certificateList;

    private final SignSelectPkcs11FinishablePanel pkcs11Panel;

    private final TrustServiceList trustServiceList;

    private Pkcs11Token pkcs11Token;

    public SignSelectCertificatePanel(SignSelectPkcs11FinishablePanel pkcs11Panel,
            TrustServiceList trustServiceList) {
        this.pkcs11Panel = pkcs11Panel;
        this.trustServiceList = trustServiceList;

        this.component = new JPanel();
        BoxLayout boxLayout = new BoxLayout(this.component, BoxLayout.PAGE_AXIS);
        this.component.setLayout(boxLayout);

        this.component.add(new JLabel("Please select a certificate from the token: "));

        DefaultListModel listModel = new DefaultListModel();
        this.certificateList = new JList(listModel);
        this.component.add(new JScrollPane(this.certificateList));
    }

    @Override
    public void validate() throws WizardValidationException {
        String selectedAlias = (String) this.certificateList.getSelectedValue();
        if (null == selectedAlias) {
            throw new WizardValidationException(null, "No certificate selected.", null);
        }
        LOG.debug("selected alias: " + selectedAlias);
        PrivateKeyEntry privateKeyEntry;
        try {
            privateKeyEntry = this.pkcs11Token.getPrivateKeyEntry(selectedAlias);
        } catch (Exception e) {
            throw new WizardValidationException(null, "PKCS#11 error: " + e.getMessage(), null);
        }
        PrivateKey privateKey = privateKeyEntry.getPrivateKey();
        X509Certificate certificate = (X509Certificate) privateKeyEntry.getCertificate();
        LOG.debug("signing certificate: " + certificate);
        try {
            this.trustServiceList.sign(privateKey, certificate);
        } catch (IOException e) {
            throw new WizardValidationException(null, "sign error: " + e.getMessage(), null);
        }
        this.pkcs11Token.close();
    }

    @Override
    public void addChangeListener(ChangeListener listener) {
    }

    @Override
    public Component getComponent() {
        LOG.debug("get component");
        if (null == this.pkcs11Token) {
            String pkcs11Library = this.pkcs11Panel.getPkcs11Library();
            int slotIdx = this.pkcs11Panel.getSlotIdx();
            LOG.debug("PKCS#11 library: " + pkcs11Library);
            try {
                this.pkcs11Token = new Pkcs11Token(pkcs11Library, slotIdx);
                List<String> aliases = this.pkcs11Token.getAliases();
                DefaultListModel listModel = (DefaultListModel) this.certificateList.getModel();
                for (String alias : aliases) {
                    listModel.addElement(alias);
                }
            } catch (Exception e) {
                LOG.debug("error: " + e.getMessage(), e);
            }
        }
        return this.component;
    }

    @Override
    public HelpCtx getHelp() {
        return null;
    }

    @Override
    public boolean isValid() {
        return true;
    }

    @Override
    public void readSettings(Object object) {
    }

    @Override
    public void removeChangeListener(ChangeListener listener) {
    }

    @Override
    public void storeSettings(Object object) {
    }
}