* r108353: Made FileBackendMultiWrite consistency checks configurable.

[lhc/web/wiklou.git] / includes / filerepo / backend / FileBackend.php

diff --git a/includes/filerepo/backend/FileBackend.php b/includes/filerepo/backend/FileBackend.php
index fbae494..5310694 100644 (file)
--- a/includes/filerepo/backend/FileBackend.php
+++ b/includes/filerepo/backend/FileBackend.php
@@ -1422,6 +1422,7 @@ abstract class FileBackendStore extends FileBackend {
        final protected static function isValidContainerName( $container ) {
                // This accounts for Swift and S3 restrictions while leaving room 
                // for things like '.xxx' (hex shard chars) or '.seg' (segments).
+               // This disallows directory separators or traversal characters.
                // Note that matching strings URL encode to the same string;
                // in Swift, the length restriction is *after* URL encoding.
                return preg_match( '/^[a-z0-9][a-z0-9-_]{0,199}$/i', $container );