/*
* Copyright 2010 Vodafone Group Services Ltd.
*
* 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 org.onesocialweb.openfire.handler.activity;
import org.dom4j.Attribute;
import org.dom4j.Element;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.openfire.auth.UnauthorizedException;
import org.jivesoftware.openfire.user.UserManager;
import org.jivesoftware.util.LocaleUtils;
import org.jivesoftware.util.Log;
import org.onesocialweb.openfire.handler.pep.PEPCommandHandler;
import org.onesocialweb.openfire.manager.ActivityManager;
import org.xmpp.packet.IQ;
import org.xmpp.packet.JID;
import org.xmpp.packet.PacketError;
public class ActivitySubscribeHandler extends PEPCommandHandler {
public static final String COMMAND = "subscribe";
private UserManager userManager;
public ActivitySubscribeHandler() {
super("OneSocialWeb - Subscribe to a user activities");
}
@Override
public String getCommand() {
return COMMAND;
}
@SuppressWarnings( { "deprecation" })
@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
JID sender = packet.getFrom();
JID recipient = packet.getTo();
// Process the request inside a try/catch so that unhandled exceptions
// (oufofbounds etc...) can trigger a server error and we can send a
// error result packet
try {
// A valid request is an IQ of type set, for a valid and local recipient
if (!(packet.getType().equals(IQ.Type.set) && recipient != null && recipient.getNode() != null
&& userManager.isRegisteredUser(recipient.getNode()))) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.bad_request);
return result;
}
// A valid request has a (bare) JID attribute
Element pubsubElement = packet.getChildElement();
Element subscribeElement = pubsubElement.element("subscribe");
Attribute jidAttribute = subscribeElement.attribute("jid");
if (jidAttribute == null || !sender.toBareJID().equals(jidAttribute.getValue())) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.bad_request);
return result;
}
// Add the relation to the database
ActivityManager.getInstance().subscribe(sender.toBareJID(), recipient.toBareJID());
// Return and send a result packet
IQ result = IQ.createResultIQ(packet);
Element resultPubsubElement = result.setChildElement("pubsub", "http://jabber.org/protocol/pubsub");
Element resultSubscriptionElement = resultPubsubElement.addElement("subscription", "http://jabber.org/protocol/pubsub");
resultSubscriptionElement.addAttribute("node", PEPActivityHandler.NODE);
resultSubscriptionElement.addAttribute("jid", recipient.toBareJID());
resultSubscriptionElement.addAttribute("subscription", "subscribed");
return result;
} catch (Exception e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.internal_server_error);
return result;
}
}
@Override
public void initialize(XMPPServer server) {
super.initialize(server);
userManager = server.getUserManager();
}
}