phpWebFileManager is file management PHP tool. It is designed for inclusion into large projects using appropriate PHP mechanisms, in example require() or similar function. However, it can be also used as a standalone web application.


FEATURES
The most important features offered by phpWebFileManager are:
easy and straightforward installation
secure directory browsing
directory creating, renaming and removing
file creating, uploading, renaming, deleting and viewing
file edition and saving
huge configuration ability to allow/deny appropriate actions
PostNuke module (add-on) compatibility
multilanguage support
and others.
http://opensource.platon.sk/projects/ph ... r/demo.php
Note: If you make an extension of it please share it here for others as well.
*** Not protected, another way to protecting if an extension is made out of it, is to use lock extension.