From b8a38c2fb60f37a507c2e5631bc56372a36ff818 Mon Sep 17 00:00:00 2001
From: Flavio Copes <copesc@gmail.com>
Date: Wed, 30 Sep 2015 18:46:22 +0200
Subject: [PATCH] Add a isHuman() method to the Browser class with some basic
 checks on bot or human request

---
 system/src/Grav/Common/Browser.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/system/src/Grav/Common/Browser.php b/system/src/Grav/Common/Browser.php
index 051f2c1ef..3577d0409 100644
--- a/system/src/Grav/Common/Browser.php
+++ b/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;
+    }
 }