Plugin: Zoom: Fix missing methods - refs BT#19534

plugin/zoom/join_meeting.php

@@ -52,7 +52,7 @@ try {
     }
 
     if ($meeting->isSignAttendance() && !$isConferenceManager) {
-        $signature = $meeting->getRegistrant($currentUser)->getSignature();
+        $signature = $meeting->getRegistrantByUser($currentUser)->getSignature();
 
         Security::get_token('zoom_signature');
     }

plugin/zoom/meeting.ajax.php

@@ -29,14 +29,14 @@ if (null === $meeting) {
 
 switch ($httpRequest->get('a')) {
     case 'sign_attempt':
+        $registrant = $meeting->getRegistrantByUser($currentUser);
+
         if (!$meeting->isSignAttendance() ||
-            !$meeting->hasRegisteredUser($currentUser)
+            null === $registrant
         ) {
             api_not_allowed();
         }
 
-        $registrant = $meeting->getRegistrant($currentUser);
-
         $file = $httpRequest->request->get('file', '');
 
         $secToken = Security::get_token('zoom_signature');