feat: rate-limit good bots via object cache, add curl/ClaudeBot tiers, whitelist cache warmer

2026-07-06 09:44:41 +02:00
parent 1b9504e5f9
commit 714064b7c7
4 changed files with 11 additions and 7 deletions
@@ -119,10 +119,10 @@ class ITK_Bot_Blocker {
            return;
        }

-        // Sliding window: track hits per bot per minute using transients.
+        // Sliding window: track hits per bot per minute using object cache (no DB writes).
        $window  = (int)(time() / 60); // 1-minute window
        $tk_key  = 'itk_rl_' . md5($name) . '_' . $window;
-        $count   = (int)get_transient($tk_key);
+        $count   = (int)wp_cache_get($tk_key, 'itk_rl');

        if ($count >= $limit) {
            // Over the limit – log and send 429.
@@ -147,7 +147,7 @@ class ITK_Bot_Blocker {
        }

        // Under the limit – increment counter and allow through.
-        set_transient($tk_key, $count + 1, 120);
+        wp_cache_set($tk_key, $count + 1, 'itk_rl', 120);
    }

    /* ── Blocking ─────────────────────────────────────────────── */