What is Best Upload center scrip, conctable to Discuz?

mj1919

What is Best Upload center scrip, conctable to Discuz?
i have a Discuz ML forum,
in  our forum we collect Academic Document files,
we want to create a databse of these Academic papers, upload each files with some related info,
Now, i looking for a upload center script that :
1- conectable with Discuz forum
2- PDF and other document files are allowed to upload
3- in upload process some info about file MUST insered, (like form in Discuz)
4- a database created and is searchable

(i bought a new host and domain, and looking for upload center script)

Thank you All Freinds!