From 71fd790f9b1f222848eeabbc58b47893a64ed886 Mon Sep 17 00:00:00 2001
From: Andrea Lambicchi <illambo@users.noreply.github.com>
Date: Thu, 19 Aug 2021 11:05:21 +0200
Subject: [PATCH] fix cache expiration condition

---
 src/OpenIdVerificator.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/OpenIdVerificator.php b/src/OpenIdVerificator.php
index 23e0f16..0cbcfe8 100644
--- a/src/OpenIdVerificator.php
+++ b/src/OpenIdVerificator.php
@@ -50,9 +50,9 @@ public function decodeOpenIdToken($openIdToken, $kid, $cache = true)
 
     public function getPublicKey($kid = null)
     {
-        if (Cache::has(self::V3_CERTS)) {
-            $v3Certs = Cache::get(self::V3_CERTS);
-        } else {
+        $v3Certs = Cache::get(self::V3_CERTS);
+        
+        if (is_null($v3Certs)) {
             $v3Certs = $this->getFreshCertificates();
             Cache::put(self::V3_CERTS, $v3Certs, Carbon::now()->addSeconds($this->maxAge[self::URL_OPENID_CONFIG]));
         }