Hi Rick,

That third party must have an API for it. If not, you need to change the vendor. I can't be that e.g. Apple sells music, while everybody is able to download the content once it has been bought by one person. Can you tell the name of that third party?

Kind regards,

Mark Schonewille
http://economy-x-talk.com
https://www.facebook.com/marksch

Buy the most extensive book on the
LiveCode language:
http://livecodebeginner.economy-x-talk.com

Op 27-Nov-16 om 03:44 schreef Rick Harrison:
Hi Mark,

That sounds good except that the user is purchasing from me through a third 
party
and I have no good way of validating.  I can attach a number to the URL but that
same number will be on every unit purchased and visible to the user.  I can’t 
make
it unique for every unit purchased.  That’s why I’d rather jump a couple of 
URL’s and
have the last one hidden or unknown to the user.

Other ideas?

Thanks,

Rick

On Nov 26, 2016, at 9:09 PM, Mark Schonewille 
<m.schonewi...@economy-x-talk.com> wrote:

Instead of hiding the URL, you could write a script that creates a key 
depending on user credentials and a unique number, say the time, and add it to 
the URL. The code should follow some some rules, e.g. the last part of the code 
could be a hash. Encrypt the information in your app and decrypt it on the 
server. If the user credentials are correct and the unique code is correct and 
hasn't been used yet, send the video, and reject the request otherwise.

Kind regards,

Mark Schonewille
http://economy-x-talk.com <http://economy-x-talk.com/>
https://www.facebook.com/marksch <https://www.facebook.com/marksch>
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