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I am trying to add custom user claims after user sign up, to define user role, using setCustomUserClaims:
/api/users/addUser.js
export default async (req, res) => {
const { displayName, email, password, role } = req.body;
if (!displayName || !password || !email || !role) {
return res.status(400).send({ message: 'Missing fields' });
}
try {
const { uid } = await admin.auth().createUser({
displayName,
email,
password,
});
await admin.auth().setCustomUserClaims(uid, role);
res.status(201).send(uid);
} catch (error) {
handleError(res, error);
}
};
This code checks for any change in the authentication state and sets user to the currently logged in user:
/utils/use-auth.js
useEffect(() => {
const unsubscribe = firebase.auth().onAuthStateChanged((user) => {
if (user) {
setUser(user);
} else {
setUser(false);
// Router.push('/login');
}
});
in my /pages/user/home,jsx:
import { useAuth } from '../../utils/use-auth';
function home() {
const { user } = useAuth();
return (
<div>
<pre>{JSON.stringify(user, null, 4)}</pre>
<AdminLayout componentProps={{ selected: '1' }} Component={HomeContent} />
</div>
);
}
The displayed object doesn’t have any custom claims. when I check the firebase console, I find that the user is actually added.
Answer
Try using
admin.auth().setCustomUserClaims(uid, claims).then(() => {
// Do your stuff here
});
And verify the claims like
admin.auth().verifyIdToken(idToken).then((claims) => {
// check claims
if (claims) {
// do your stuff here
}
});
for more info check https://firebase.google.com/docs/auth/admin/custom-claims#node.js
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