update scheme

src/Base/Request.php

@@ -8,6 +8,7 @@ use Qii\Request\Url;
 abstract class Request
 {
     public $host = '';
+    public $scheme = '';
     public $module;
     public $controller;
     public $action;

src/Request/Http.php

@@ -13,6 +13,9 @@ final class Http extends Request
      */
     public function __construct($requestURI = null, $baseURI = null)
     {
+        if(isset($_SERVER['REQUEST_SCHEME'])) {
+            $this->scheme = $_SERVER['REQUEST_SCHEME'];
+        }
         if (isset($_SERVER['REQUEST_METHOD'])) {
             $this->method = $_SERVER['REQUEST_METHOD'];
         } else {