fix for language redirect break in FF

Author: jekuer

assets/css/style.css

@@ -3,7 +3,7 @@
  * PHP Microsite Boilerplate
  * +++++++++++++++++++++++++
  * 
- * Version: 2.0.6
+ * Version: 2.0.7
  * Creator: Jens Kuerschner (https://jenskuerschner.de)
  * Project: https://github.com/jekuer/php-microsite-boilerplate
  * License: GNU General Public License v3.0	(gpl-3.0)

assets/js/all.min.js

@@ -87,26 +87,26 @@ function adjustLanguage() {
   if (activeLanguage != null && activeLanguage != '') {
     if (languageCookie != null && languageCookie != '') {
       if (languageCookie != activeLanguage) {
-        if (document.referrer.indexOf(window.location.host) === -1) {
-          // Redirect if possible.
+        if (document.getElementById('same_site_referrer').innerHTML === '1') {
+          // Update cookie if on same domain.
+          setCookie('language_select', activeLanguage, 30);          
+        } else {
+          // Redirect if not and possible.
           var linkToLanguage_lookup = document.querySelector('link[hreflang="'+languageCookie+'"]');
           if (linkToLanguage_lookup != null && linkToLanguage_lookup != '') {
             var linkToLanguage = linkToLanguage_lookup.href;
             if (linkToLanguage !== null && linkToLanguage !== undefined && linkToLanguage != '') {
               window.location = linkToLanguage;
             }
           }
-        } else {
-          // Update cookie.
-          setCookie('language_select', activeLanguage, 30);
         }
       }
     } else {
       // Set cookie.
       setCookie('language_select', activeLanguage, 30);
       var browserLanguage = navigator.language || navigator.userLanguage;
       browserLanguage = browserLanguage.substring(0, 1);
-      if (document.referrer.indexOf(window.location.host) === -1 && browserLanguage != null && browserLanguage != '' && browserLanguage != activeLanguage) {
+      if (document.getElementById('same_site_referrer').innerHTML !== '1' && browserLanguage != null && browserLanguage != '' && browserLanguage != activeLanguage) {
         var linkToLanguage = document.querySelector('link[hreflang="'+browserLanguage+'"]');
         if (linkToLanguage !== null && linkToLanguage !== undefined && linkToLanguage != '') {
           linkToLanguage = linkToLanguage.href;

assets/js/all.min.js.map

@@ -6,7 +6,7 @@
 
 // Current version of the website.
 // Will be used to control css and js caching.
-$version_nr = '2.0.6';
+$version_nr = '2.0.7';
 
 // Multilanguage
 $language['default'] = 'en'; // Use a key from the array below.

assets/js/base.js

@@ -5,7 +5,7 @@
  * PHP Microsite Boilerplate
  * +++++++++++++++++++++++++
  * 
- * Version: 2.0.6
+ * Version: 2.0.7
  * Creator: Jens Kuerschner (https://jenskuerschner.de)
  * Project: https://github.com/jekuer/php-microsite-boilerplate
  * License: GNU General Public License v3.0	(gpl-3.0)
@@ -117,7 +117,7 @@
 /*if (isset($_COOKIE['language_select'])) {
   $cookie_lang = make_safe($_COOKIE['language_select']);
   if ($cookie_lang != $language['active']) {
-    if ($prev_url_to_parse == '') {
+    if ($same_site_referrer == false) {
       // Redirect if possible.
       if (isset($pages[$cookie_lang][$the_page->id])) {
         $lang_redirect_url = $the_page_url;
@@ -145,7 +145,7 @@
   setcookie('language_select', $language['active'], time() + (86400 * 30), "/", $tmp_domain); // 86400 = 1 day.
   // Compare to browser language.
   $browser_lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
-  if ($prev_url_to_parse == '' and $browser_lang != $language['active']) {
+  if ($same_site_referrer = false and $browser_lang != $language['active']) {
     if (isset($pages[$browser_lang][$the_page->id])) {
       // This indicates that the user is new to the page and his browser language could be supported by one of the translations.
       // You could now offer him a redirect or highlight the language switcher.

config.php

@@ -54,11 +54,13 @@ function parse_the_url($url) {
 $url_parts_all_prev = array();
 $url_parts_prev = array();
 $prev_url_to_parse = '';
+$same_site_referrer = false;
 if (isset($_SERVER['HTTP_REFERER'])) {
   $prev_url_to_parse = filter_var($_SERVER['HTTP_REFERER'], FILTER_SANITIZE_URL);
   $prev_url_to_parse_arr = parse_url($prev_url_to_parse);
   if (isset($prev_url_to_parse_arr['host']) and isset($_SERVER['HTTP_HOST'])) {
     if ($_SERVER['HTTP_HOST'] == $prev_url_to_parse_arr['host'] and isset($prev_url_to_parse_arr['path'])) {
+      $same_site_referrer = true;
       $prev_url_to_parse = $prev_url_to_parse_arr['path'];
       $url_parts_all_prev = parse_the_url($prev_url_to_parse);
     } else {

index.php

@@ -1,6 +1,6 @@
 {
   "name": "php-microsite-boilerplate",
-  "version": "2.0.6",
+  "version": "2.0.7",
   "description": "An extremely simple and lightweight PHP framework/boilerplate to spin-up microsites at high speed. Optimized for Performance, Security, SEO, and Directus CMS.",
   "keywords": [
     "css",

lib/url_parsing.php

@@ -49,6 +49,7 @@
 
   </head>
   <body itemscope itemtype="http://schema.org/WebSite">
+    <?php echo '<div id="same_site_referrer" style="display:none;">' . $same_site_referrer . '</div>' // a workaround to have the referrer domain even, if Firefox does not support it ?>
 
     <!-- Google Tag Manager (noscript) -->
     <?php