Have a web site where users can purchase PDF's and / or MP3's and we have a dynamic automated delivery system that allows the user to download by providing a link to the file. Problem is the user can see the full path to the file and then could save that link and give to others to allow anyone to download.
We would like to have a system that provides a link that will automatically force the download of the file - either MP3 or PDF as needed - and work in any browser - and with any size file (no restriction on MP3 file size. This need to be a fool proof system that is not cause issues later or create security warnings - etc.
This will be a dynamic system integrating information from the database - but we can do that part if we can just get a solid system that handles the download dependably.