/** * $RCSfile: $ * $Revision: $ * $Date: $ * * Copyright (C) 2005-2008 Jive Software. All rights reserved. * * This software is published under the terms of the GNU Public License (GPL), * a copy of which is included in this distribution, or a commercial license * agreement with Jive. */ package org.jivesoftware.openfire.pubsub.models; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.QName; import org.jivesoftware.util.Log; import org.jivesoftware.openfire.XMPPServer; import org.jivesoftware.openfire.pubsub.Node; import org.jivesoftware.openfire.roster.Roster; import org.jivesoftware.openfire.roster.RosterItem; import org.jivesoftware.openfire.user.UserNotFoundException; import org.xmpp.packet.JID; import org.xmpp.packet.PacketError; /** * Anyone with a presence subscription of both or from may subscribe and retrieve items. * * @author Matt Tucker */ public class PresenceAccess extends AccessModel { PresenceAccess() { } public boolean canSubscribe(Node node, JID owner, JID subscriber) { // Let node owners and sysadmins always subcribe to the node if (node.isAdmin(owner)) { return true; } // Get the only owner of the node JID nodeOwner = node.getOwners().iterator().next(); // Give access to the owner of the roster :) if (nodeOwner.toBareJID().equals(owner.toBareJID())) { return true; } // Get the roster of the node owner XMPPServer server = XMPPServer.getInstance(); // Check that the node owner is a local user if (server.isLocal(nodeOwner)) { try { Roster roster = server.getRosterManager().getRoster(nodeOwner.getNode()); RosterItem item = roster.getRosterItem(owner); // Check that the subscriber is subscribe to the node owner's presence return item != null && (RosterItem.SUB_BOTH == item.getSubStatus() || RosterItem.SUB_FROM == item.getSubStatus()); } catch (UserNotFoundException e) { return false; } } else { // Owner of the node is a remote user. This should never happen. Log.warn("Node with access model Presence has a remote user as owner: " + node.getNodeID()); return false; } } public boolean canAccessItems(Node node, JID owner, JID subscriber) { return canSubscribe(node, owner, subscriber); } public String getName() { return "presence"; } public PacketError.Condition getSubsriptionError() { return PacketError.Condition.not_authorized; } public Element getSubsriptionErrorDetail() { return DocumentHelper.createElement(QName.get("presence-subscription-required", "http://jabber.org/protocol/pubsub#errors")); } public boolean isAuthorizationRequired() { return false; } }