Fixes #6052. Urldecoding usernames to allow non-alphanumeric characters.

diff --git a/engine/lib/users.php b/engine/lib/users.php
index 9a51948962c91ae91c72e9bfe063fb70037cbc93..0b4608034cccfee8c7a430a4b4afb3bea960f46a 100644 (file)
--- a/engine/lib/users.php
+++ b/engine/lib/users.php
@@ -553,7 +553,7 @@ function get_user($guid) {
 function get_user_by_username($username) {
        global $CONFIG, $USERNAME_TO_GUID_MAP_CACHE;
 
-       $username = sanitise_string($username);
+       $username = sanitise_string(rawurldecode($username));
        $access = get_access_sql_suffix('e');
 
        // Caching