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Diffstat (limited to 'utils/path.go')
-rw-r--r-- | utils/path.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/utils/path.go b/utils/path.go new file mode 100644 index 000000000..5f921b41d --- /dev/null +++ b/utils/path.go @@ -0,0 +1,15 @@ +// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved. +// See License.txt for license information. + +package utils + +import ( + "path/filepath" + "strings" +) + +// PathTraversesUpward will return true if the path attempts to traverse upwards by using +// ".." in the path. +func PathTraversesUpward(path string) bool { + return strings.HasPrefix(filepath.Clean(path), "..") +} |