We have a mobile application and end users are authenticated via Firebase.
Current behaviour
- While onboarding users, we register every user on Firebase with an email and a mobile phone.
- Once the user is created on Firebase we the use the link generation API generateSignInWithEmailLink and send an email to the users.
- Users click on the email from their mobile phone and it automatically launches the App.
Desired behaviour
- Instead of sending an authentication link in the email, we would like to use the SMS token validation feature of Firebase
- This is very easily down via a browser based application.
- How do we implement such a feature that on Android/Ios?
Option
- We provide a custom backend HTTP end point which gets called by the user
- From this backend, we instruct the Firebase Admin SDK to send a new SMS authentication token to the have any endpoint which allows the back end to send a SMS authentication token to the end user's mobile.
Is this possible? At first glance, I could not find anything in the documentation.
Thanks
https://firebase.google.com/docs/reference/admin/node/admin.auth.Auth
