correct IP on Cloud Run

affordablemobiles · Sep 26, 2024 · 80db243 · 80db243
1 parent 9cee4f7
commit 80db243
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/preload.php b/src/preload.php
@@ -37,7 +37,9 @@
         $_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_X_APPENGINE_USER_IP'];
     } elseif (is_cloud_run()) {
         $forwards               = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
-        $_SERVER['REMOTE_ADDR'] = trim(array_pop($forwards));
+        array_reverse($forwards);
+        // try 2nd entry first, as 1st is usually GCLB.
+        $_SERVER['REMOTE_ADDR'] = trim($forwards[1] ?? $forwards[0]);
     }
     if (!empty($_SERVER['HTTP_X_APPENGINE_HTTPS'])) {
         // Turn HTTPS on for Laravel