From 57936276adb59cf6f4ff034afcb11a8d3e19f90c Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Sun, 15 Sep 2024 23:19:44 +0200
Subject: [PATCH] Add support for `s-maxage`

---
 src/HTTP/Utils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/HTTP/Utils.php b/src/HTTP/Utils.php
index 666702c22..f0a1b5e6e 100644
--- a/src/HTTP/Utils.php
+++ b/src/HTTP/Utils.php
@@ -43,7 +43,7 @@ public static function negociate_cache_expiration_time(array $http_headers, int
             if (preg_match('/\bmust-revalidate\b/', $cache_control)) {
                 $cache_duration_min = 0;
             }
-            if (preg_match('/\bmax-age=(\d+)\b/', $cache_control, $matches)) {
+            if (preg_match('/\bs-maxage=(\d+)\b/', $cache_control, $matches) || preg_match('/\bmax-age=(\d+)\b/', $cache_control, $matches)) {
                 $max_age = (int) $matches[1];
                 $age = $http_headers['age'] ?? '';
                 if (is_numeric($age)) {