Unable to use undefined as allowed callback url

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1

Hi, I tried to follow this tutorial https://auth0.com/docs/get-started/authentication-and-authorization-flow/authorization-code-flow/call-your-api-using-the-authorization-code-flow

There is step:
Add an Allowed Callback URL of undefined

And I cannot do this because validation on Auth0 dashboard is not allowing me:

image
image1043×468 44.9 KB

How to achieve it? I wanted to get to know how Authorization Code Flow looks like programmatically. I have used it through UI and I think it is a little different than this tutorial. For example in UI I saw /login endpoint was called and also some authorize/resume endpoint was called and there is no any information about those endpoints in this tutorial, so what is the real flow for Authorization Code Flow? I also tried to use /authorize endpoint with real callback url and not undefined and endpoint worked but I cannot see authorization code in the response, why? According to docs I should see:

HTTP/1.1 302 Found
Location: undefined?code={authorizationCode}&state=xyzABC123

But in my response there is no ‘code’, there is only ‘state’.

3

Hi @lucask

That appears to be a display bug on the documentation. I would advise to log out and log back in if you are already authenticated on the page or log in if you are not.

Otherwise, the step actually states:

  • Add an Allowed Callback URL of {https://yourApp/callback}.

That should do the trick.

Let me know if you have any other questions.

Kind Regards,
Nik

4

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