Out of the Box Username password creation for Chrome Extension with Payment

Here are all the details: Summary I need out of the box development for below requirement ( What that means is, I can take this code and use it for any chrome extension - therefore called out of the box) Details :::: I have got chrome extensions. I want to make them Paid chrome extensions with payment using STRIPE gateway So when a customer comes to chrome store, they can install the extension But without username and password they can do Nothing So on the chrome extension, there will be a button to pay and when customer click on pay, they pay via Stripe I must be able to set payment Monthly or biweekly or 6 months or yearly Once the payment is done successfully, VIA WordPress a login and password is automatically created and emailed to this customer's Paypal email id and he is told to check his Stripe Email Once he gets an email, he takes login details to chrome extension and now he can log in and start using the extension NOW - I need this out of the box functionality so that for every chrome extension I do not have to get this done again and again ( What that means is, I can take this code and use it for any chrome extension - therefore called out of the box) That's all