com.eucalyptus.webui.client.session.LocalSessionImpl.java Source code

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Here is the source code for com.eucalyptus.webui.client.session.LocalSessionImpl.java

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/*************************************************************************
 * Copyright 2009-2012 Eucalyptus Systems, Inc.
 *
 * 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; version 3 of the License.
 *
 * 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/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 *
 * This file may incorporate work covered under the following copyright
 * and permission notice:
 *
 *   Software License Agreement (BSD License)
 *
 *   Copyright (c) 2008, Regents of the University of California
 *   All rights reserved.
 *
 *   Redistribution and use of this software in source and binary forms,
 *   with or without modification, are permitted provided that the
 *   following conditions are met:
 *
 *     Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *     Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer
 *     in the documentation and/or other materials provided with the
 *     distribution.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *   COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *   BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *   POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
 *   THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
 *   COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
 *   AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
 *   IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
 *   SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
 *   WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
 *   REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
 *   IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
 *   NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
 ************************************************************************/

package com.eucalyptus.webui.client.session;

import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.eucalyptus.webui.client.service.Session;
import com.google.gwt.user.client.Cookies;

public class LocalSessionImpl implements LocalSession {

    private static Logger LOG = Logger.getLogger(LocalSessionImpl.class.getName());

    private static final String SESSION_COOKIE_NAME = "EUCASID";
    private static final long COOKIE_LIFE_IN_MS = 7 * 24 * 60 * 60 * 1000;// a week
    private static final boolean USE_SECURE_COOKIE = true;

    private Session session;

    public LocalSessionImpl() {
        this.session = null;
    }

    @Override
    public Session getSession() {
        if (this.session == null) {
            String sessionId = Cookies.getCookie(SESSION_COOKIE_NAME);
            if (sessionId != null) {
                this.session = new Session(sessionId);
            }
        }
        return this.session;
    }

    @Override
    public void saveSession(Session s, boolean persistent) {
        if (s == null) {
            clearSession();
        } else {
            this.session = s;
            if (persistent) {
                Date expiration = new Date(System.currentTimeMillis() + COOKIE_LIFE_IN_MS);
                Cookies.setCookie(SESSION_COOKIE_NAME, this.session.getId(), expiration, null, null,
                        USE_SECURE_COOKIE);
            } else {
                Cookies.setCookie(SESSION_COOKIE_NAME, this.session.getId(), null, null, null, USE_SECURE_COOKIE);
            }
        }
    }

    @Override
    public void clearSession() {
        this.session = null;
        Cookies.removeCookie(SESSION_COOKIE_NAME);
    }

}