001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.ui.login;
029
030import org.opencms.crypto.CmsEncryptionException;
031import org.opencms.main.CmsLog;
032import org.opencms.main.OpenCms;
033import org.opencms.ui.shared.login.I_CmsLoginTargetRpc;
034
035import org.apache.commons.logging.Log;
036
037import com.vaadin.server.AbstractExtension;
038import com.vaadin.ui.UI;
039
040/**
041 * Server side component used to open the login target for a logged in user.<p>
042 */
043public class CmsLoginTargetOpener extends AbstractExtension {
044
045    /** The serial version id. */
046    private static final long serialVersionUID = 1L;
047
048    /** Log instance for this class. */
049    private static final Log LOG = CmsLog.getLog(CmsLoginTargetOpener.class);
050
051    /**
052     * Creates a new instance.<p>
053     *
054     * @param ui the UI to extend
055     */
056    public CmsLoginTargetOpener(UI ui) {
057
058        extend(ui);
059    }
060
061    /**
062     * Opens the login target.<p>
063     *
064     * @param target the login target URL
065     * @param isPublicPC the public PC flag
066     */
067    public void openTarget(String target, boolean isPublicPC) {
068
069        if (isPublicPC) {
070            getRpcProxy(I_CmsLoginTargetRpc.class).openTargetForPublicPc(target);
071        } else {
072            String encryptedTarget;
073            // for private PCs, another form submission step is used on the client to trigger the browser password manager.
074            // the form used to a contain a field with the plain redirect URI, but we now encrypt it beforehand.
075            try {
076                encryptedTarget = OpenCms.getDefaultTextEncryption().encrypt(target);
077                getRpcProxy(I_CmsLoginTargetRpc.class).openTargetForPrivatePc(encryptedTarget);
078            } catch (CmsEncryptionException e) {
079                LOG.warn(e.getLocalizedMessage(), e);
080                getRpcProxy(I_CmsLoginTargetRpc.class).openTargetForPublicPc(target);
081            }
082        }
083    }
084}