let the user change his display name, if supported by the back-end

1 files changed, 19 insertions, 1 deletions

diff --git a/lib/user.php b/lib/user.php
index f953d221543..9dc8cca97a6 100644
--- a/lib/user.php
+++ b/lib/user.php
@@ -275,7 +275,7 @@ class OC_User {
 			foreach(self::$_usedBackends as $backend) {
 				if($backend->implementsActions(OC_USER_BACKEND_SET_DISPLAYNAME)) {
 					if($backend->userExists($uid)) {
-						$success |= $backend->setDisplayName($uid, $displayName);
+						$result |= $backend->setDisplayName($uid, $displayName);
 					}
 				}
 			}
@@ -436,6 +436,24 @@ class OC_User {
 		}
 		return false;
 	}
+	
+	/**
+	 * @brief Check whether user can change his display name
+	 * @param $uid The username
+	 * @returns true/false
+	 *
+	 * Check whether a specified user can change his display name
+	 */
+	public static function canUserChangeDisplayName($uid) {
+		foreach(self::$_usedBackends as $backend) {
+			if($backend->implementsActions(OC_USER_BACKEND_SET_DISPLAYNAME)) {
+				if($backend->userExists($uid)) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
 
 	/**
 	 * @brief Check if the password is correct