From 645ba6bbff02cd6eff31502d01214d7a2ed01953 Mon Sep 17 00:00:00 2001
From: Matthew Wire <mjw@mjwconsult.co.uk>
Date: Thu, 11 Jan 2024 12:46:57 +0000
Subject: [PATCH] Fix fatal error when firebase/php-jwt library is 'replaced'
 in composer

---
 Civi/Crypto/CryptoJwt.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Civi/Crypto/CryptoJwt.php b/Civi/Crypto/CryptoJwt.php
index bbc989ce20..0d5455d58e 100644
--- a/Civi/Crypto/CryptoJwt.php
+++ b/Civi/Crypto/CryptoJwt.php
@@ -60,7 +60,12 @@ class CryptoJwt {
    * @throws CryptoException
    */
   public function decode($token, $keyTag = 'SIGN') {
-    $useKeyObj = version_compare(\Composer\InstalledVersions::getVersion('firebase/php-jwt'), '6', '>=');
+    // Version 6.x+ has 2 parameters, earlier versions had 3
+    $reflection = new \ReflectionMethod('Firebase\JWT\JWT::decode');
+    $useKeyObj = ($reflection->getNumberOfParameters() === 2) ?? FALSE;
+
+    // Composer\InstalledVersions returns 0 if the library has been replaced using "replace" in composer.json
+    // $useKeyObj = version_compare(\Composer\InstalledVersions::getVersion('firebase/php-jwt'), '6', '>=');
     if (!$useKeyObj) {
       \CRM_Core_Error::deprecatedWarning('Using deprecated version of firebase/php-jwt. Upgrade to 6.x+.');
     }
-- 
2.25.1