Extend the Expiry Time and Date in Firebase OAuth2 access JWT Token - node.js

Question

I want To set the maximum Expiry Date and Time for Firebase OAuth2 JWT Access Token - https://firebase.google.com/docs/database/rest/auth
I tried some methods Not working. Here is the Google's Code to generate an Access Token for Firebase Real-time Database
Google APIs Node.js Client
var {google} = require("googleapis");
// Load the service account key JSON file.
var serviceAccount = require("./myfileauth.json");
// Define the required scopes.
var scopes = [
"https://www.googleapis.com/auth/userinfo.email",
"https://www.googleapis.com/auth/firebase.database"
];
// Authenticate a JWT client with the service account.
var jwtClient = new google.auth.JWT(
serviceAccount.client_email,
null,
serviceAccount.private_key,
scopes
);
// Use the JWT client to generate an access token.
jwtClient.authorize(function(error, tokens) {
if (error) {
console.log("Error making request to generate access token:", error);
} else if (tokens.access_token === null) {
console.log("Provided service account does not have permission to generate access tokens");
} else {
var accessToken = tokens.access_token;
console.log(accessToken);
}
});
but it's working for a Short time only I want to Increase its Expiry date and time...

Answer 1

If you want to have longer-lived session tokens, I recommend looking into session cookies. These can be created from the Firebase Admin SDK, and list this as one advantage:
Ability to create session cookies with custom expiration times ranging from 5 minutes to 2 weeks.
It works by taking the ID token (from the client) that is part of the normal Firebase authentication flow, and exchanging that for a session cookie (on the server) with:
// Set session expiration to 5 days.
const expiresIn = 60 * 60 * 24 * 5 * 1000;
// Create the session cookie. This will also verify the ID token in the process.
// The session cookie will have the same claims as the ID token.
// To only allow session cookie setting on recent sign-in, auth_time in ID token
// can be checked to ensure user was recently signed in before creating a session cookie.
admin.auth().createSessionCookie(idToken, {expiresIn}).then((sessionCookie) => { ...