Add a isHuman() method to the Browser class with some basic checks on bot or human request

system/src/Grav/Common/Browser.php

@@ -38,4 +38,20 @@ class Browser
         $version = explode('.', $this->getLongVersion());
         return intval($version[0]);
     }
+
+    /**
+     * Determine if the request comes from a human, or from a bot/crawler
+     */
+    public function isHuman()
+    {
+        if (empty($this->getBrowser())) {
+            return false;
+        }
+
+        if (preg_match('~(bot|crawl)~i', $this->getBrowser())) {
+            return false;
+        }
+
+        return true;
+    }
 }