snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

resources/prosody-plugins/mod_jiconop.lua

@@ -0,0 +1,72 @@
+local st = require "util.stanza";
+local ext_services = module:depends("external_services");
+
+-- Jitsi Connection Optimization
+-- gathers needed information and pushes it with a message to clients
+-- this way we skip 4 request responses during every client setup
+
+local main_virtual_host = module:get_option_string('muc_mapper_domain_base');
+if not main_virtual_host then
+    module:log('warn', 'No muc_mapper_domain_base option set.');
+    return;
+end
+
+local shard_name_config = module:get_option_string('shard_name');
+if shard_name_config then
+    module:add_identity("server", "shard", shard_name_config);
+end
+
+local region_name_config = module:get_option_string('region_name');
+if region_name_config then
+    module:add_identity("server", "region", region_name_config);
+end
+
+local release_number_config = module:get_option_string('release_number');
+if release_number_config then
+    module:add_identity("server", "release", release_number_config);
+end
+
+-- we cache the query as server identities will not change dynamically, amd use its clone every time
+local query_cache;
+
+-- this is after xmpp-bind, the moment a client has resource and can be contacted
+module:hook("resource-bind", function (event)
+    local session = event.session;
+
+    if query_cache == nil then
+        -- disco info data / all identity and features
+        local query = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" });
+        local done = {};
+        -- to lod this module in different virtual hosts than the main, make sure we query here for main
+        for _,identity in ipairs(module:context(main_virtual_host):get_host_items("identity")) do
+            local identity_s = identity.category.."\0"..identity.type;
+            if not done[identity_s] then
+                query:tag("identity", identity):up();
+                done[identity_s] = true;
+            end
+        end
+
+        query_cache = query;
+    end
+
+    local query = st.clone(query_cache);
+
+    -- check whether room has lobby enabled and display name is required for those trying to join
+    local lobby_muc_component_config = module:get_option_string('lobby_muc');
+    module:context(lobby_muc_component_config):fire_event('host-disco-info-node',
+            {origin = session; reply = query; node = 'lobbyrooms';});
+
+    -- will add a rename feature for breakout rooms.
+    local breakout_rooms_muc_component_config = module:get_option_string('breakout_rooms_muc');
+    if breakout_rooms_muc_component_config then
+        module:context(breakout_rooms_muc_component_config):fire_event('host-disco-info-node',
+                {origin = session; reply = query; node = 'breakout_rooms';});
+    end
+
+    local stanza = st.message({
+            from = module.host;
+            to = session.full_jid; });
+    stanza:add_child(query):up();
+
+    session.send(stanza);
+end);