WordPress, WooCommerce, to Authenticate an online service?

I have an online game I will charge $9.99 for an unlimited license. I have a WordPress site that uses WooCommerce as the store front.

It's easy for me to add a new product to my list of products, and to embed the online game into WordPress. How do I authenticate the user before enabling them to play the game?

If they pass a URL to a friend, that URL NEEDS to fail. It they pass their username and password to a friend, then play, I WOULD LIKE that also to fail.

Suggestions?

Thanks
curiouswebsterSoftware EngineerAsked:
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William NettmannPHP Web DeveloperCommented:
I guess you could place a cookie on the buyer's PC and ensure that the game authenticates against that.

You would need to provide a mechanism to replace the cookie in the event it gets deleted or if the buyer gets a new PC, etc.

To prevent abuse of the replacement mechanism, each cookie would need to be linked to a license on the server, which would be checked when the game is played.

Using this approach, buyers would be able to "lend" their game out, but not distribute it - i.e. only one player at a time per license.

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curiouswebsterSoftware EngineerAuthor Commented:
thanks
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