001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005  This file is part of Granite Data Services.
006
007  Granite Data Services is free software; you can redistribute it and/or modify
008  it under the terms of the GNU Library General Public License as published by
009  the Free Software Foundation; either version 2 of the License, or (at your
010  option) any later version.
011
012  Granite Data Services is distributed in the hope that it will be useful, but
013  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015  for more details.
016
017  You should have received a copy of the GNU Library General Public License
018  along with this library; if not, see <http://www.gnu.org/licenses/>.
019*/
020
021package org.granite.gravity.adapters;
022
023import org.granite.gravity.Channel;
024
025import flex.messaging.messages.Message;
026
027/**
028 * A SecurityPolicy which allows everything, provided that the Channel isn't null. This
029 * security policy is used by default unless a custom one is configured in the services-config.xml
030 * of the current application.
031 * <br><br>
032 * Example (services-config.xml):
033 * <pre>
034 * ...
035 * &lt;adapters&gt;
036 *   &lt;adapter-definition
037 *     id="default" class="org.granite.gravity.adapters.SimpleServiceAdapter"
038 *     default="true"&gt;
039 *     &lt;properties&gt;
040 *       &lt;security-policy&gt;path.to.MySecurityPolicy&lt;/security-policy&gt;
041 *     &lt;/properties&gt;
042 *   &lt;/adapter-definition&gt;
043 * &lt;/adapters&gt;
044 * ...
045 * </pre>
046 * 
047 * @author Franck WOLFF
048 */
049public class DefaultSecurityPolicy implements SecurityPolicy {
050
051        public boolean canCreate(Channel client, String channel, Message message) {
052        return client != null;
053        }
054
055        public boolean canSubscribe(Channel client, String channel, Message messsage) {
056        return client != null;
057        }
058
059        public boolean canPublish(Channel client, String channel, Message messsage) {
060        return client != null;
061        }
062}