initial commit

jitsi-meet/prosody-plugins/mod_conference_duration_component.lua

@@ -0,0 +1,66 @@
+local st = require "util.stanza";
+local socket = require "socket";
+local json = require "util.json";
+local ext_events = module:require "ext_events";
+local it = require "util.iterators";
+
+-- we use async to detect Prosody 0.10 and earlier
+local have_async = pcall(require, "util.async");
+if not have_async then
+    module:log("warn", "conference duration will not work with Prosody version 0.10 or less.");
+    return;
+end
+
+local muc_component_host = module:get_option_string("muc_component");
+if muc_component_host == nil then
+    log("error", "No muc_component specified. No muc to operate on!");
+    return;
+end
+
+log("info", "Starting conference duration timer for %s", muc_component_host);
+
+function occupant_joined(event)
+    local room = event.room;
+    local occupant = event.occupant;
+
+    local participant_count = it.count(room:each_occupant());
+
+    if participant_count > 1 then
+
+        if room.created_timestamp == nil then
+            room.created_timestamp = os.time() * 1000; -- Lua provides UTC time in seconds, so convert to milliseconds
+        end
+
+        local body_json = {};
+        body_json.type = 'conference_duration';
+        body_json.created_timestamp = room.created_timestamp;
+
+        local stanza = st.message({
+            from = module.host;
+            to = occupant.jid;
+        })
+        :tag("json-message", {xmlns='http://jitsi.org/jitmeet'})
+        :text(json.encode(body_json)):up();
+
+        room:route_stanza(stanza);
+    end
+end
+
+-- executed on every host added internally in prosody, including components
+function process_host(host)
+    if host == muc_component_host then -- the conference muc component
+        module:log("info", "Hook to muc events on %s", host);
+
+       local muc_module = module:context(host)
+       muc_module:hook("muc-occupant-joined", occupant_joined, -1);
+    end
+end
+
+if prosody.hosts[muc_component_host] == nil then
+    module:log("info", "No muc component found, will listen for it: %s", muc_component_host);
+
+    -- when a host or component is added
+    prosody.events.add_handler("host-activated", process_host);
+else
+    process_host(muc_component_host);
+end