com.lyndir.masterpassword.GUI.java Source code

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Here is the source code for com.lyndir.masterpassword.GUI.java

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/*
 *   Copyright 2008, Maarten Billemont
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package com.lyndir.masterpassword;

import com.google.common.base.Charsets;
import com.google.common.io.*;
import com.lyndir.lhunath.opal.system.CodeUtils;
import com.lyndir.lhunath.opal.system.MessageDigests;
import com.lyndir.lhunath.opal.system.logging.Logger;
import com.lyndir.lhunath.opal.system.util.TypeUtils;
import java.io.*;
import java.net.URI;
import java.net.URL;
import java.util.Enumeration;
import java.util.List;
import java.util.jar.*;
import javax.swing.*;

/**
 * <p> <i>Jun 10, 2008</i> </p>
 *
 * @author mbillemo
 */
public class GUI implements UnlockFrame.SignInCallback {

    @SuppressWarnings("UnusedDeclaration")
    private static final Logger logger = Logger.get(GUI.class);

    private UnlockFrame unlockFrame = new UnlockFrame(this);
    private PasswordFrame passwordFrame;

    public static void main(final String[] args) throws IOException {

        if (Config.get().checkForUpdates())
            checkUpdate();

        GUI gui;
        try {
            gui = TypeUtils.newInstance(AppleGUI.class);
        } catch (NoClassDefFoundError e) {
            gui = new GUI();
        }
        gui.open();
    }

    private static void checkUpdate() {
        try {
            Enumeration<URL> manifestURLs = Thread.currentThread().getContextClassLoader()
                    .getResources(JarFile.MANIFEST_NAME);
            while (manifestURLs.hasMoreElements()) {
                InputStream manifestStream = manifestURLs.nextElement().openStream();
                Attributes attributes = new Manifest(manifestStream).getMainAttributes();
                if (!GUI.class.getCanonicalName().equals(attributes.getValue(Attributes.Name.MAIN_CLASS)))
                    continue;

                String manifestRevision = attributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
                String upstreamRevisionURL = "http://masterpasswordapp.com/masterpassword-gui.jar.rev";
                CharSource upstream = Resources.asCharSource(URI.create(upstreamRevisionURL).toURL(),
                        Charsets.UTF_8);
                String upstreamRevision = upstream.readFirstLine();
                logger.inf("Local Revision:    <%s>", manifestRevision);
                logger.inf("Upstream Revision: <%s>", upstreamRevision);
                if (!manifestRevision.equalsIgnoreCase(upstreamRevision)) {
                    logger.wrn("You are not running the current official version.  Please update from:\n"
                            + "http://masterpasswordapp.com/masterpassword-gui.jar");
                    JOptionPane.showMessageDialog(null,
                            "A new version of Master Password is available.\n"
                                    + "Please download the latest version from http://masterpasswordapp.com",
                            "Update Available", JOptionPane.WARNING_MESSAGE);
                }
            }
        } catch (IOException e) {
            logger.wrn(e, "Couldn't check for version update.");
        }
    }

    void open() {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                if (passwordFrame == null) {
                    unlockFrame.setVisible(true);
                } else {
                    passwordFrame.setVisible(true);
                }
            }
        });
    }

    @Override
    public boolean signedIn(final User user) {
        if (!user.hasKey()) {
            return false;
        }
        user.getKey();

        passwordFrame = newPasswordFrame(user);

        open();
        return true;
    }

    protected PasswordFrame newPasswordFrame(final User user) {
        PasswordFrame frame = new PasswordFrame(user);
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        return frame;
    }
}