From 0998a72d1209ce7c0edf1dbaa3069640bf11f64d Mon Sep 17 00:00:00 2001
From: William Tam <tamw@wnet.org>
Date: Mon, 10 Apr 2023 15:30:38 +0000
Subject: [PATCH] check for falsity before passing var

---
 classes/class-PBS-LAAS-client.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/class-PBS-LAAS-client.php b/classes/class-PBS-LAAS-client.php
index 543468e..38feb6e 100644
--- a/classes/class-PBS-LAAS-client.php
+++ b/classes/class-PBS-LAAS-client.php
@@ -385,7 +385,7 @@ private function retrieve_encrypted_tokeninfo() {
     }
   
     // decrypt encrypted tokeninfo
-    $decrypted = $this->decrypt($tokeninfo);
+    $decrypted = !empty($tokeninfo) ? $this->decrypt($tokeninfo) : false;
     if ($decrypted) {
       $tokeninfo = $decrypted;
     }