OAuth federation: Redirect User to the last requested page after authentication

** Which Category is your question related to? **

Amplify Auth Module

** What AWS Services are you utilizing? **

Cognito

** Provide additional details e.g. code snippets ** I’m currently using OAuth support for Amplify that was recently released. The challenge I’m running into with this new flow is redirecting a user to the last page they requested. I learned that Cognito app-client doesn’t allow for wildcard entries.

In this instance, I’m using Auth.federatedSignIn({ provider: 'Google' }).When a user tries to access https://example.com?search=<random-guid> in the unauthenticated state, the user gets presented with google prompt, after signing in, the user is redirected back to a redirectSignIn url, which is a static location https://example.com. I would instead want the user to be redirected back to the last page they requested, which is a https://example.com?search=<random-guid>. I also learned that there is a way to pass a state variable to Cognito, but struggling to find a way to do that in the using Amplify. Can you please provide a code snippet?

I’m using the authenticator component <Authenticator theme={authenticatorTheme} federated={federated} hide={[Greetings]} /> What I noticed is, this component with Auth.configure({ oauth }) adds “Sign In with AWS” button (Hosted UI) to the SignIn form. How do I hide that without hiding the whole SignIn component?

Can you please help?

Thanks, Rohit

[andriworld]

@quyctd You can pass your page as a custom state

Auth.federatedSignIn({provider: 'Google', customState: JSON.stringify(route)})

and get it back in an auth event

Hub.listen('auth', ({payload: {event, data}}) => {

  switch (event) {
    case 'signIn':
      user = data
      break

  case 'customOAuthState':
      route = JSON.parse(data)
      // go to route
      break;
  }
})

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