1 files changed, 107 insertions, 0 deletions
diff --git a/xmpp-vala/src/module/xep/0060_pubsub.vala b/xmpp-vala/src/module/xep/0060_pubsub.vala
new file mode 100644
index 00000000..3f96e7a1
--- /dev/null
+++ b/xmpp-vala/src/module/xep/0060_pubsub.vala
@@ -0,0 +1,107 @@
+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 const string ID = "0060_pubsub_module";
+
+        private HashMap<string, EventListener> event_listeners = new HashMap<string, EventListener>();
+
+        public void add_filtered_notification(XmppStream stream, string node, EventListener listener) {
+            ServiceDiscovery.Module.get_module(stream).add_feature_notify(stream, node);
+            event_listeners[node] = listener;
+        }
+
+        public void request(XmppStream stream, string jid, string node, RequestResponseListener listener) { // TODO multiple nodes gehen auch
+            Iq.Stanza a = 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)));
+            a.to = jid;
+            Iq.Module.get_module(stream).send_iq(stream, a, new IqRequestResponseListener(listener));
+        }
+
+        private class IqRequestResponseListener : Iq.ResponseListener, Object {
+            RequestResponseListener response_listener;
+            public IqRequestResponseListener(RequestResponseListener response_listener) { this.response_listener = response_listener; }
+            public void on_result(XmppStream stream, Iq.Stanza 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;
+                StanzaNode item_node = items_node.get_subnode("item", NS_URI); if (item_node == null) return;
+                string node = items_node.get_attribute("node", NS_URI);
+                string id = item_node.get_attribute("id", NS_URI);
+                response_listener.on_result(stream, iq.from, id, item_node.sub_nodes[0]);
+            }
+        }
+
+        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).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);
+            Iq.Module.get_module(stream).send_iq(stream, iq, null);
+        }
+
+        private class IqPublishResponseListener : Iq.ResponseListener, Object {
+            PublishResponseListener response_listener;
+            public IqPublishResponseListener(PublishResponseListener response_listener) { this.response_listener = response_listener; }
+            public void on_result(XmppStream stream, Iq.Stanza iq) {
+                if (iq.is_error()) {
+                    response_listener.on_error(stream);
+                } else {
+                    response_listener.on_success(stream);
+                }
+            }
+        }
+
+        public override void attach(XmppStream stream) {
+            Iq.Module.require(stream);
+            Message.Module.require(stream);
+            ServiceDiscovery.Module.require(stream);
+            Message.Module.get_module(stream).received_message.connect(on_received_message);
+        }
+
+        public override void detach(XmppStream stream) {
+            Message.Module.get_module(stream).received_message.disconnect(on_received_message);
+        }
+
+        public static Module? get_module(XmppStream stream) {
+            return (Module?) stream.get_module(NS_URI, ID);
+        }
+
+        public static void require(XmppStream stream) {
+            if (get_module(stream) == null) stream.add_module(new Module());
+        }
+
+        public override string get_ns() { return NS_URI; }
+        public override string get_id() { return 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 interface RequestResponseListener : Object {
+        public abstract void on_result(XmppStream stream, string jid, string id, StanzaNode node);
+    }
+
+    public interface EventListener : Object {
+        public abstract void on_result(XmppStream stream, string jid, string id, StanzaNode node);
+    }
+
+    public interface PublishResponseListener : Object {
+        public abstract void on_success(XmppStream stream);
+        public abstract void on_error(XmppStream stream);
+    }
+}