Use Pimple instead of Core\Registry and add Monolog for logging

app/Core/Request.php

@@ -124,6 +124,20 @@ class Request
         return $this->getHeader('X-Requested-With') === 'XMLHttpRequest';
     }
 
+    /**
+     * Check if the page is requested through HTTPS
+     *
+     * Note: IIS return the value 'off' and other web servers an empty value when it's not HTTPS
+     *
+     * @static
+     * @access public
+     * @return boolean
+     */
+    public static function isHTTPS()
+    {
+        return isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== '' && $_SERVER['HTTPS'] !== 'off';
+    }
+
     /**
      * Return a HTTP header value
      *