fix addition link and show out-of-stock product on html sitemap

Author: Tuvpt

Block/Sitemap.php

@@ -141,7 +141,9 @@ public function getProductCollection()
             ->addTaxPercents()
             ->setPageSize($limit)
             ->addAttributeToSelect('*');
-        $this->_stockFilter->addInStockFilterToCollection($collection);
+        if (!$this->_helper->getConfigValue('cataloginventory\options\show_out_of_stock')) {
+            $this->_stockFilter->addInStockFilterToCollection($collection);
+        }
 
         return $collection;
     }

Model/Sitemap.php

@@ -411,7 +411,7 @@ public function _getProductCollection($storeId)
      */
     public function convertUrl($url)
     {
-        if (preg_match(self::PATTERN, $url)) {
+        if (preg_match('@^http://@i', $url)) {
             return $url;
         }