The situation: Project #1 : contains Load balancer and Identity Aware Proxy accessible though oauth client (android) on GCP project (credentials). Project #2 : is a firebase project. GCP is configured automatically (just created project from firebase and at all). Here is added android applicatoin with sha1 and package name and authentication google is enabled. The question is: How to configure android (flutter in my case) application via Firebase project #2 to get access to oauth web client on gcp project #1 to have access to iap ?
1 Answers
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First of all I would suggest to start reading on the following documentation which explains how to add Firebase Authentication to your application.
And also you can add IAP by using Firebase Cloud Functions which will act as a secured server which would help you with the process between the different projects.
I found this article that explains a similar setup that you can do for your application.
