How to configure the login url when using the Device Authorization Flow

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1

I’m trying to set up the “Device Authorization Flow” to allow users to authenticate to Auth0 on headless systems, i.e. amazon ec2 servers. I have many different SAML/SSO connections configured in my Auth0 account and I need to be able to use a specific connection when the user is logging in.

For normal web based authentication use cases, I have set up my Universal Login Page with a handler that expects a url like this:

custom-domain.com/login/sso/{auth0_connection_name}

The page knows which Auth0 connection to use when authenticating by examining the url itself.

The device authorization flow defaults to logging in via this url however:

custom-domain.com/login

Is there some hook or rule that I can create that configures which sign-on url is used for logging the user in via the device authorization flow?

2

One solution that would be great is if it were possible to pass connection={auth0_connection_name} as a parameter to the /activate endpoint that is part of the device authorization flow. This would ideally behave similarly to the /authorize endpoint, which accepts a connection parameter and uses that to determine how to have the user login.