Add a config option to require the visitors flag in MUC config. (#1127)

Author: bgrozev

jicofo-selector/src/main/resources/reference.conf

@@ -393,6 +393,10 @@ jicofo {
     # With this option enabled the second part is started automatically as soon as any visitors join. Otherwise, jicofo
     # waits to receive a <broadcast enabled=true> extension from one of the moderators in the conference.
     auto-enable-broadcast = true
+
+    # Whether to require the "visitorsEnabled" flag in the MUC config form before enabling visitors for a conference.
+    # This allows the visitors option to be controlled per-conference.
+    require-muc-config-flag = false
   }
 
   xmpp {

jicofo/src/main/java/org/jitsi/jicofo/conference/JitsiMeetConferenceImpl.java

@@ -1681,6 +1681,13 @@ public String redirectVisitor(boolean visitorRequested)
         {
             return null;
         }
+        if (VisitorsConfig.config.getRequireMucConfigFlag())
+        {
+            if (chatRoom == null || !Boolean.TRUE.equals(chatRoom.getVisitorsEnabled()))
+            {
+                return null;
+            }
+        }
         // We don't support visitors in breakout rooms.
         if (mainRoomJid != null)
         {

jicofo/src/main/kotlin/org/jitsi/jicofo/visitors/VisitorsConfig.kt

@@ -40,6 +40,9 @@ class VisitorsConfig private constructor() {
         "jicofo.visitors.auto-enable-broadcast".from(newConfig)
     }
 
+    val requireMucConfigFlag: Boolean by config {
+        "jicofo.visitors.require-muc-config-flag".from(newConfig)
+    }
     companion object {
         @JvmField
         val config = VisitorsConfig()