using Gee; namespace Xmpp.Xep.Pubsub { private const string NS_URI = "http://jabber.org/protocol/pubsub"; private const string NS_URI_EVENT = NS_URI + "#event"; private const string NS_URI_OWNER = NS_URI + "#owner"; public const string ACCESS_MODEL_AUTHORIZE = "authorize"; public const string ACCESS_MODEL_OPEN = "open"; public const string ACCESS_MODEL_PRESENCE = "presence"; public const string ACCESS_MODEL_ROSTER = "roster"; public const string ACCESS_MODEL_WHITELIST = "whitelist"; 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 async Gee.List? request_all(XmppStream stream, Jid jid, string node) { // 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; Gee.List? ret = null; stream.get_module(Iq.Module.IDENTITY).send_iq(stream, request_iq, (stream, iq) => { StanzaNode event_node = iq.stanza.get_subnode("pubsub", NS_URI); if (event_node == null) return; StanzaNode items_node = event_node.get_subnode("items", NS_URI); if (items_node == null) return; ret = items_node.get_subnodes("item", NS_URI); Idle.add(request_all.callback); }); yield; return ret; } public delegate void OnResult(XmppStream stream, Jid jid, string? id, StanzaNode? node); public void request(XmppStream stream, Jid 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 async bool publish(XmppStream stream, Jid? jid, string node_id, string? item_id, StanzaNode content, string? access_model=null, int? max_items = null) { 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); if (access_model != null || max_items != null) { StanzaNode publish_options_node = new StanzaNode.build("publish-options", NS_URI); pubsub_node.put_node(publish_options_node); DataForms.DataForm data_form = new DataForms.DataForm(); DataForms.DataForm.HiddenField form_type_field = new DataForms.DataForm.HiddenField() { var="FORM_TYPE" }; form_type_field.set_value_string(NS_URI + "#publish-options"); data_form.add_field(form_type_field); if (access_model != null) { DataForms.DataForm.Field field = new DataForms.DataForm.Field() { var="pubsub#access_model" }; field.set_value_string(access_model); data_form.add_field(field); } if (max_items != null) { DataForms.DataForm.Field field = new DataForms.DataForm.Field() { var="pubsub#max_items" }; field.set_value_string(max_items.to_string()); data_form.add_field(field); } publish_options_node.put_node(data_form.get_submit_node()); } Iq.Stanza iq = new Iq.Stanza.set(pubsub_node); bool ok = true; stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, (stream, result_iq) => { ok = !result_iq.is_error(); Idle.add(publish.callback); }); yield; return ok; } public async bool retract_item(XmppStream stream, Jid? jid, string node_id, string item_id) { StanzaNode pubsub_node = new StanzaNode.build("pubsub", NS_URI).add_self_xmlns() .put_node(new StanzaNode.build("retract", NS_URI).put_attribute("node", node_id).put_attribute("notify", "true") .put_node(new StanzaNode.build("item", NS_URI).put_attribute("id", item_id))); Iq.Stanza iq = new Iq.Stanza.set(pubsub_node); bool ok = true; stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, (stream, result_iq) => { ok = !result_iq.is_error(); Idle.add(retract_item.callback); }); yield; return ok; } public void delete_node(XmppStream stream, Jid? jid, string node_id) { StanzaNode pubsub_node = new StanzaNode.build("pubsub", NS_URI_OWNER).add_self_xmlns(); StanzaNode publish_node = new StanzaNode.build("delete", NS_URI_OWNER).put_attribute("node", node_id); pubsub_node.put_node(publish_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(MessageModule.IDENTITY).received_message.connect(on_received_message); } public override void detach(XmppStream stream) { stream.get_module(MessageModule.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, MessageStanza 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; string node = items_node.get_attribute("node", NS_URI_EVENT); StanzaNode? item_node = items_node.get_subnode("item", NS_URI_EVENT); if (item_node != null) { 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); } } StanzaNode? retract_node = items_node.get_subnode("retract", NS_URI_EVENT); if (retract_node != null) { string id = retract_node.get_attribute("id", NS_URI_EVENT); if (event_listeners.has_key(node)) { event_listeners[node].on_result(stream, message.from, id, retract_node); } } } } public class EventListenerDelegate { public delegate void ResultFunc(XmppStream stream, Jid 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; } } }