Hello. I've been asked to design and develop a website which will have downloadable files (pdf, wav and mp3).

The URL (links) for these files need to be "hidden" so that only authorised people can download them.

Is there any way of supplying users of the site with a "once-only" encrypted URL link to the file that they want to download?

This could either be:

1. a password that ONLY works for their email address,
2. a URL that expires after a short time,
3. a script that moves the selected files into a temp directory with a random name, and deletes them after a short time.
4. an exe that downloads them without showing the user the links.

I'm stumped. Does anyone know how to do any of the above?

Are there any scripts (any language) out there already written that do something similar?

Can anyone think of a better solution?

Thanks.

create a page which knows the file path and can work as proxy to stream out the content of the file using this file pass say. fileproxy.php

on the page where the users ask for file create a table where you should store the path to file for each access and pass this id to fileproxy.php and once the download is complete delete the record from the table.

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