Set maximum records limit per-page in config.

src/QueryDataTable.php

@@ -569,7 +569,7 @@ public function paging(): void
         $start = $this->request->start();
         $length = $this->request->length();
 
-        $limit = $length > 0 ? $length : 10;
+        $limit = $length > 0 ? min($length, $this->config->maxLimit()) : 10;
 
         if (is_callable($this->limitCallback)) {
             $this->query->limit($limit);

src/Utilities/Config.php

@@ -93,4 +93,14 @@
     {
         return (array) $this->repository->get('datatables.json.header', []);
     }
+
+    /**
+     * Get the maximum record limit for one page.
+     *
+     * @return int The maximum limit value.
+     */
+    public function maxLimit(): int
+    {
+        return (int) $this->repository->get('datatables.max_limit', 100);
+    }
 }

src/config/datatables.php

@@ -124,4 +124,10 @@
      * Callbacks needs to start by those terms, or they will be cast to string.
      */
     'callback' => ['$', '$.', 'function'],
+
+    /*
+     * Maximum record limit per-page. To prevent user from arbitrarily request large record set.
+     * If 'limit' query parameter in the request exceed this limit, it will be automatically set to this value.
+     */
+    'max_limit' => 100,
 ];