File Management system in Php

Question

I have my system backed up on a server (Docs, Videos, Music, etc.)
I have only FTP access (can't really do anything fancy)
However I can run PHP and MySQL programs (pretty basic).
I was wondering about a good complete system that would let me
upload, control and manage the files I have there (including security features)
so that I would be able to edit some docs on the fly, listen to streaming music and upload more files if I wanted to.

Thanks.

Answer 1

I have used this in the past and it's open source so you can extend as needed.

http://sourceforge.net/projects/phpwebftp/

Answer 2

You can try:

http://extplorer.sourceforge.net/

or

http://pfn.sourceforge.net/index.php?opc=1&lg=ing

or

http://navphp.sourceforge.net/

I used the first one and it's pretty good. For media preview I know only http://www.filerun.com/ but it's not open-source.