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

resources/prosody-plugins/mod_jibri_session.lua

@@ -0,0 +1,91 @@
+-- mod_jibri_session
+--
+-- Enriches jibri `start` IQ stanzas with recording metadata before they reach
+-- jibri.  It handles two passes:
+--
+--   1. Client → jicofo (no `room` attr): reads the initiating user's identity
+--      from the XMPP session and writes it to
+--      app_data.file_recording_metadata.initiator {id, group}.
+--
+--   2. Jicofo → jibri (`room` attr present): looks up the MUC room, reads its
+--      meetingId, and writes it to
+--      app_data.file_recording_metadata.conference_details.session_id.
+--
+-- Must be loaded on both the main virtual host and the jicofo virtual host.
+
+local json = require 'cjson.safe';
+
+local util = module:require 'util';
+local room_jid_match_rewrite = util.room_jid_match_rewrite;
+local get_room_from_jid = util.get_room_from_jid;
+
+-- This needs to be attached to the main virtual host and the virtual host where jicofo is connected and authenticated.
+-- The first pass is the iq coming from the client where we get the creator and attach it to the app_data.
+-- The second pass is jicofo approving that and inviting jibri where we attach the session_id information to app_data
+local function attachJibriSessionId(event)
+local stanza = event.stanza;
+    if stanza.name == "iq" then
+        local jibri = stanza:get_child('jibri', 'http://jitsi.org/protocol/jibri');
+        if jibri then
+            if jibri.attr.action and jibri.attr.action:lower() == 'start' then
+
+                local update_app_data = false;
+                local app_data = jibri.attr.app_data;
+                if app_data then
+                    local err;
+                    app_data, err = json.decode(app_data);
+                    if err then
+                        module:log('warn', 'Failed to decode jibri app_data from %s: %s', stanza.attr.from, err);
+                        return;
+                    end
+                else
+                    app_data = {};
+                end
+                if app_data.file_recording_metadata == nil then
+                    app_data.file_recording_metadata = {};
+                end
+
+                if jibri.attr.room then
+                    local jibri_room = jibri.attr.room;
+                    jibri_room = room_jid_match_rewrite(jibri_room)
+                    local room = get_room_from_jid(jibri_room);
+                    if room then
+                        local conference_details = {};
+                        conference_details["session_id"] = room._data.meetingId;
+                        app_data.file_recording_metadata.conference_details = conference_details;
+                        update_app_data = true;
+                    end
+                else
+                    -- no room is because the iq received by the initiator in the room
+                    local session = event.origin;
+                    -- if a token is provided, add data to app_data
+                    if session ~= nil then
+                        local initiator = {};
+
+                        if session.jitsi_meet_context_user ~= nil then
+                            initiator.id = session.jitsi_meet_context_user.id;
+                        else
+                            initiator.id = session.granted_jitsi_meet_context_user_id;
+                        end
+
+                        initiator.group
+                            = session.jitsi_meet_context_group or session.granted_jitsi_meet_context_group_id;
+
+                        app_data.file_recording_metadata.initiator = initiator
+                        update_app_data = true;
+                    end
+
+                end
+
+                if update_app_data then
+                    app_data = json.encode(app_data);
+                    jibri.attr.app_data = app_data;
+                    jibri:up()
+                    stanza:up()
+                end
+            end
+        end
+    end
+end
+
+module:hook('pre-iq/full', attachJibriSessionId);