add optional dns validation for let's encrypt activated domains; fixes #817

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

install/updates/preconfig/0.10/preconfig_0.10.inc.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2010 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Updater
+ *
+ */
+
+/**
+ * checks if the new-version has some updating to do
+ *
+ * @param boolean $has_preconfig
+ *        	pointer to check if any preconfig has to be output
+ * @param string $return
+ *        	pointer to output string
+ * @param string $current_version
+ *        	current froxlor version
+ *        	
+ * @return null
+ */
+function parseAndOutputPreconfig2(&$has_preconfig, &$return, $current_version, $current_db_version)
+{
+	global $lng;
+
+	if (versionInUpdate($current_db_version, '202004140')) {
+		$has_preconfig = true;
+		$description = 'Froxlor can now optionally validate the dns entries of domains that request Lets Encrypt certificates to reduce dns-related problems (e.g. freshly registered domain or updated a-record).<br />';
+		$question = '<strong>Validate DNS of domains when using Lets Encrypt&nbsp;';
+		$question .= \Froxlor\UI\HTML::makeyesno('system_le_domain_dnscheck', '1', '0', '1');
+
+		eval("\$return.=\"" . \Froxlor\UI\Template::getTemplate("update/preconfigitem") . "\";");
+	}
+}