add incognito mode, allows to hide my user ID. For example, this is useful to access...

diff --git a/lib/private/user.php b/lib/private/user.php
index f15fdf1dbbcc21c2548d2def91c3dc7ba81eb062..5bd36006750f98867c849d0ad1329598b6e37a61 100644 (file)
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -54,6 +54,9 @@ class OC_User {
 
        private static $_setupedBackends = array();
 
+       // bool, stores if a user want to access a resource anonymously, e.g if he opens a public link
+       private static $incognitoMode = false;
+
        /**
         * @brief registers backend
         * @param string $backend name of the backend
@@ -319,6 +322,15 @@ class OC_User {
                return false;
        }
 
+       /**
+        * @brief set incognito mode, e.g. if a user wants to open a public link
+        * @param bool $status
+        */
+       public static function setIncognitoMode($status) {
+               self::$incognitoMode = $status;
+
+       }
+
        /**
         * Supplies an attribute to the logout hyperlink. The default behaviour
         * is to return an href with '?logout=true' appended. However, it can
@@ -354,7 +366,7 @@ class OC_User {
         */
        public static function getUser() {
                $uid = OC::$session ? OC::$session->get('user_id') : null;
-               if (!is_null($uid)) {
+               if (!is_null($uid) && self::$incognitoMode === false) {
                        return $uid;
                } else {
                        return false;