I'm trying to add, to a website I'm developing, a payment method (Redsys; a spanish virtual POS), to accept card payments. Of course, the most tricky part is to manage the redirection (and, in the case of Redsys, an on-line notification, which is an extra url to send payment details). So, the most obvious way to do it is emulate what Wt currently does.
Reading the Wt implementation, I've seen two different approaches to manage these redirections. * Google OAuth: the redirection url is a static resource which redirects to a private resource (which closes the windows) * PayPalCheckoutExpress: the redirection url is just a private resource, which closes the windows and trigger a JSignal. Why Google OAuth uses two WResources? Is there any adventage? And why triggering a JSignal from within javascript? Isn't it better to trigger a signal from the resource itself? Thank you very much in advance,
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