feat: Reads region from http headers and set it in presence. (#15531)

* feat: Reads region from http headers and set it in presence.

* chore(deps) lib-jitsi-meet@latest

https://github.com/jitsi/lib-jitsi-meet/compare/v1906.0.0+dfc23df4...v1907.0.0+0d3304b7

package-lock.json

         "js-md5": "0.6.1",
         "js-sha512": "0.8.0",
         "jwt-decode": "2.2.0",
-        "lib-jitsi-meet": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1906.0.0+dfc23df4/lib-jitsi-meet.tgz",
+        "lib-jitsi-meet": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1907.0.0+0d3304b7/lib-jitsi-meet.tgz",
         "lodash-es": "4.17.21",
         "moment": "2.29.4",
         "moment-duration-format": "2.2.2",
     },
     "node_modules/lib-jitsi-meet": {
       "version": "0.0.0",
-      "resolved": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1906.0.0+dfc23df4/lib-jitsi-meet.tgz",
-      "integrity": "sha512-4w+/VkFNzj6rnbogfF6JHgL48pxo/Pq4GX6RXodnUGJMwu1Zc+nGw3SR/KJYqtxCfO9hAb+NBZVQfQvN16xRxg==",
+      "resolved": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1907.0.0+0d3304b7/lib-jitsi-meet.tgz",
+      "integrity": "sha512-qll80OJZol+xlDt3n58SqGPYQPer72C28XE9lSEtfOx6XdFdhLYXSzaNpPY4OP2tFjJqNX+Y2ZQkSkARGSqVrg==",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
       }
     },
     "lib-jitsi-meet": {
-      "version": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1906.0.0+dfc23df4/lib-jitsi-meet.tgz",
-      "integrity": "sha512-4w+/VkFNzj6rnbogfF6JHgL48pxo/Pq4GX6RXodnUGJMwu1Zc+nGw3SR/KJYqtxCfO9hAb+NBZVQfQvN16xRxg==",
+      "version": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1907.0.0+0d3304b7/lib-jitsi-meet.tgz",
+      "integrity": "sha512-qll80OJZol+xlDt3n58SqGPYQPer72C28XE9lSEtfOx6XdFdhLYXSzaNpPY4OP2tFjJqNX+Y2ZQkSkARGSqVrg==",
       "requires": {
         "@jitsi/js-utils": "2.2.1",
         "@jitsi/logger": "2.0.2",

package.json

     "js-md5": "0.6.1",
     "js-sha512": "0.8.0",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1906.0.0+dfc23df4/lib-jitsi-meet.tgz",
+    "lib-jitsi-meet": "https://github.com/jitsi/lib-jitsi-meet/releases/download/v1907.0.0+0d3304b7/lib-jitsi-meet.tgz",
     "lodash-es": "4.17.21",
     "moment": "2.29.4",
     "moment-duration-format": "2.2.2",

resources/prosody-plugins/mod_jitsi_session.lua

 module:set_global();
 
 local formdecode = require "util.http".formdecode;
+local region_header_name = module:get_option_string('region_header_name', 'x_proxy_region');
 
 -- Extract the following parameters from the URL and set them in the session:
 -- * previd: for session resumption
         session.jitsi_web_query_room = params.room;
         session.jitsi_web_query_prefix = params.prefix or "";
     end
+
+    session.user_region = request.headers[region_header_name];
 end
 
 module:hook_global("bosh-session", init_session, 1);

resources/prosody-plugins/mod_muc_meeting_id.lua

     end
 end);
 
+local function process_region(session, stanza)
+    if not session.user_region then
+        return;
+    end
+
+    local region = stanza:get_child_text('jitsi_participant_region');
+    if region then
+        return;
+    end
+
+    stanza:tag('jitsi_participant_region'):text(session.user_region):up();
+end
+
 --- Avoids any participant joining the room in the interval between creating the room
 --- and jicofo entering the room
 module:hook('muc-occupant-pre-join', function (event)
-    local room, stanza = event.room, event.stanza;
+    local occupant, room, stanza = event.occupant, event.room, event.stanza;
+
+    local is_health_room = is_healthcheck_room(room.jid);
+    -- check for region
+    if not is_admin(occupant.bare_jid) and not is_health_room then
+        process_region(event.origin, stanza);
+    end
 
     -- we skip processing only if jicofo_lock is set to false
-    if room._data.jicofo_lock == false or is_healthcheck_room(room.jid) then
+    if room._data.jicofo_lock == false or is_health_room then
         return;
     end
 
-    local occupant = event.occupant;
     if ends_with(occupant.nick, '/focus') then
         module:fire_event('jicofo-unlock-room', { room = room; });
     else