update

modules/pshowsso/views/templates/sso_btn/default.tpl

@@ -0,0 +1,15 @@
+{**
+ * File from http://PrestaShow.pl
+ *
+ * DISCLAIMER
+ * Do not edit or add to this file if you wish to upgrade this module to newer
+ * versions in the future.
+ *
+ * @author    PrestaShow.pl <kontakt@prestashow.pl>
+ * @copyright Since 2014 PrestaShow.pl
+ * @license   https://prestashow.pl/license
+ *}
+<a href="{$url}" class="btn btn-sso btn-sso-{$service}" data-theme="{$theme}">
+    <img src="{$logo_url}" alt=""/>
+    {$label}
+</a>

modules/pshowsso/views/templates/sso_btn/index.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * File from http://PrestaShow.pl
+ *
+ * DISCLAIMER
+ * Do not edit or add to this file if you wish to upgrade this module to newer
+ * versions in the future.
+ *
+ * @author    PrestaShow.pl <kontakt@prestashow.pl>
+ * @copyright Since 2014 PrestaShow.pl
+ * @license   https://prestashow.pl/license
+ */
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+
+header('Location: ../');
+exit;