Commit 4efe3cf5 authored by Jacob Vosmaer's avatar Jacob Vosmaer

More reasons why prefixing is good

Inspired by http://www.dwheeler.com/essays/filenames-in-shell.html
parent f980827b
......@@ -139,6 +139,11 @@ path = File.join(repo_path, user_input)
File.read(path)
```
If you have to use user input a relative path, prefix `./` to the path.
Prefixing user-supplied paths also offers extra protection against paths
starting with `-` (see the discussion about using `--` above).
## Guard against path traversal
Path traversal is a security where the program (GitLab) tries to restrict user
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