merge r11157 from branch 2.2 to trunk

bug 2280 fixed: check language and theme values before updating database. The
posted value must match an expected value, this is not a free texfield.



git-svn-id: http://piwigo.org/svn/trunk@11159 68402e56-0260-453c-a942-63ccdbb3a9ee

profile.php

@@ -149,6 +149,16 @@ function save_profile_from_post($userdata, &$errors)
     {
       $errors[] = l10n('Recent period must be a positive integer value') ;
     }
+
+    if (!in_array($_POST['language'], array_keys(get_languages())))
+    {
+      die('Hacking attempt, incorrect language value');
+    }
+
+    if (!in_array($_POST['theme'], array_keys(get_pwg_themes())))
+    {
+      die('Hacking attempt, incorrect theme value');
+    }
   }
 
   if (isset($_POST['mail_address']))