In our application we are using Trello authentication and authorization flow to get the consent from user. Below is the code sample that we are using for user Trello Authorization.
Once user chosen an account and login, trello is giving control back to my application by calling success call back method "authenticationSuccess". But If user clicks on "DENY" button in authorization screen, then trello is not giving control back to my application. The failure call back method "authenticationFailure" is not executing. Could you please suggest me, how can I get the control back to my App when user clicks on "DENY" button?
It looks like this only happens when using type: "redirect". Here is an example of using type: "popup": https://glitch.com/edit/#!/using-trello-js?path=public/example.js
We'll look into seeing if this is something we can fix. I'll update here when I find out more.
On the initial page-visit you should make the call without interactive: false - this will cause them to be redirected. Once they have selected Accept or Deny, they will be redirected back to your page at which point you should make the call again with interactive: false. If they did select Deny then at this point in time your authenticationFailure will be called.
@Gmanik446 I've put together an example project of how to use type: redirect here: https://glitch.com/edit/#!/discreet-minibus?path=public/example.js:6:0.
You will want to call Trello.authorize with interactive: false on page load to see if the user has authorized or not. If they have no authorized, you will want to call Trello.authorize again but this time with interactive: true so that they are redirected.
@Gmanik44 When a user is not logged in and selects Deny when prompted to authorize with an app, we intentionally only show the error message, "Token request rejected." We intentionally do not redirect because then that route would be an open redirect for non-logged-in Trello users and could be abused to phish accounts.
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