Add support for Direct MUC Invitations (XEP-0249)

1 files changed, 55 insertions, 0 deletions

diff --git a/xmpp-vala/src/module/xep/0249_direct_muc_invitations.vala b/xmpp-vala/src/module/xep/0249_direct_muc_invitations.vala
new file mode 100644
index 00000000..2ccab33d
--- /dev/null
+++ b/xmpp-vala/src/module/xep/0249_direct_muc_invitations.vala
@@ -0,0 +1,55 @@
+namespace Xmpp.Xep.DirectMucInvitations {
+
+    private const string NS_URI = "jabber:x:conference";
+
+    public class Module : XmppStreamModule {
+        public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "0249_direct_muc_invitations");
+
+        public signal void invite_received(XmppStream stream, Jid room_jid, Jid from_jid, string? password, string? reason);
+
+        public void invite(XmppStream stream, Jid to_muc, Jid jid) {
+            MessageStanza message = new MessageStanza() { to=jid };
+            StanzaNode invite_node = new StanzaNode.build("x", NS_URI).add_self_xmlns()
+                    .put_attribute("jid", to_muc.to_string());
+            message.stanza.put_node(invite_node);
+            stream.get_module(MessageModule.IDENTITY).send_message.begin(stream, message);
+        }
+
+        private void received_message(XmppStream stream, MessageStanza message) {
+            StanzaNode? x_node = message.stanza.get_subnode("x", NS_URI);
+            if (x_node == null) return;
+
+            string? room_str = x_node.get_attribute("jid", NS_URI);
+            if (room_str == null) return;
+            Jid? room_jid = null;
+            try {
+                room_jid = new Jid(room_str);
+            } catch (Error e) {
+                return;
+            }
+            if (room_jid == null) return;
+
+            string? password = x_node.get_attribute("password", NS_URI);
+            string? reason = x_node.get_attribute("reason", NS_URI);
+
+            invite_received(stream, room_jid, message.from, password, reason);
+        }
+
+        public override void attach(XmppStream stream) {
+            stream.get_module(MessageModule.IDENTITY).received_message.connect(received_message);
+        }
+
+        public override void detach(XmppStream stream) {
+            stream.get_module(MessageModule.IDENTITY).received_message.connect(received_message);
+        }
+
+        public override string get_ns() {
+            return NS_URI;
+        }
+
+        public override string get_id() {
+            return IDENTITY.id;
+        }
+    }
+
+}