using Gee; using Xmpp.Core; namespace Xmpp.Xep.Pubsub { private const string NS_URI = "http://jabber.org/protocol/pubsub"; private const string NS_URI_EVENT = NS_URI + "#event"; public class Module : XmppStreamModule { public static ModuleIdentity IDENTITY = new ModuleIdentity(NS_URI, "0060_pubsub_module"); private HashMap event_listeners = new HashMap(); public void add_filtered_notification(XmppStream stream, string node, owned EventListenerDelegate.ResultFunc listener) { stream.get_module(ServiceDiscovery.Module.IDENTITY).add_feature_notify(stream, node); event_listeners[node] = new EventListenerDelegate((owned)listener); } public delegate void OnResult(XmppStream stream, string jid, string? id, StanzaNode? node); public void request(XmppStream stream, string jid, string node, owned OnResult listener) { // TODO multiple nodes gehen auch Iq.Stanza request_iq = new Iq.Stanza.get(new StanzaNode.build("pubsub", NS_URI).add_self_xmlns().put_node(new StanzaNode.build("items", NS_URI).put_attribute("node", node))); request_iq.to = jid; stream.get_module(Iq.Module.IDENTITY).send_iq(stream, request_iq, (stream, iq) => { StanzaNode event_node = iq.stanza.get_subnode("pubsub", NS_URI); StanzaNode items_node = event_node != null ? event_node.get_subnode("items", NS_URI) : null; StanzaNode item_node = items_node != null ? items_node.get_subnode("item", NS_URI) : null; string? id = item_node != null ? item_node.get_attribute("id", NS_URI) : null; listener(stream, iq.from, id, item_node != null ? item_node.sub_nodes[0] : null); }); } public void publish(XmppStream stream, string? jid, string node_id, string node, string? item_id, StanzaNode content) { StanzaNode pubsub_node = new StanzaNode.build("pubsub", NS_URI).add_self_xmlns(); StanzaNode publish_node = new StanzaNode.build("publish", NS_URI).put_attribute("node", node_id); pubsub_node.put_node(publish_node); StanzaNode items_node = new StanzaNode.build("item", NS_URI); if (item_id != null) items_node.put_attribute("id", item_id); items_node.put_node(content); publish_node.put_node(items_node); Iq.Stanza iq = new Iq.Stanza.set(pubsub_node); stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, null); } public override void attach(XmppStream stream) { stream.get_module(Message.Module.IDENTITY).received_message.connect(on_received_message); } public override void detach(XmppStream stream) { stream.get_module(Message.Module.IDENTITY).received_message.disconnect(on_received_message); } public override string get_ns() { return NS_URI; } public override string get_id() { return IDENTITY.id; } private void on_received_message(XmppStream stream, Message.Stanza message) { StanzaNode event_node = message.stanza.get_subnode("event", NS_URI_EVENT); if (event_node == null) return; StanzaNode items_node = event_node.get_subnode("items", NS_URI_EVENT); if (items_node == null) return; StanzaNode item_node = items_node.get_subnode("item", NS_URI_EVENT); if (item_node == null) return; string node = items_node.get_attribute("node", NS_URI_EVENT); string id = item_node.get_attribute("id", NS_URI_EVENT); if (event_listeners.has_key(node)) { event_listeners[node].on_result(stream, message.from, id, item_node.sub_nodes[0]); } } } public class EventListenerDelegate { public delegate void ResultFunc(XmppStream stream, string jid, string id, StanzaNode? node); public ResultFunc on_result { get; private owned set; } public EventListenerDelegate(owned ResultFunc on_result) { this.on_result = (owned) on_result; } } }