001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services 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 *   Granite Data Services 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 Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.gravity.adapters;
023
024import org.granite.gravity.Channel;
025
026import flex.messaging.messages.Message;
027
028/**
029 * A SecurityPolicy which allows everything, provided that the Channel isn't null. This
030 * security policy is used by default unless a custom one is configured in the services-config.xml
031 * of the current application.
032 * <br><br>
033 * Example (services-config.xml):
034 * <pre>
035 * ...
036 * &lt;adapters&gt;
037 *   &lt;adapter-definition
038 *     id="default" class="org.granite.gravity.adapters.SimpleServiceAdapter"
039 *     default="true"&gt;
040 *     &lt;properties&gt;
041 *       &lt;security-policy&gt;path.to.MySecurityPolicy&lt;/security-policy&gt;
042 *     &lt;/properties&gt;
043 *   &lt;/adapter-definition&gt;
044 * &lt;/adapters&gt;
045 * ...
046 * </pre>
047 * 
048 * @author Franck WOLFF
049 */
050public class DefaultSecurityPolicy implements SecurityPolicy {
051
052        public boolean canCreate(Channel client, String channel, Message message) {
053        return client != null;
054        }
055
056        public boolean canSubscribe(Channel client, String channel, Message messsage) {
057        return client != null;
058        }
059
060        public boolean canPublish(Channel client, String channel, Message messsage) {
061        return client != null;
062        }
063}