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Auth
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import firebase from "firebase/app"; | |
import "firebase/auth"; | |
import "firebase/database"; | |
import React, { useState, useEffect } from "react"; | |
import App from "./App"; | |
const provider = new firebase.auth.GoogleAuthProvider(); | |
// Find these options in your Firebase console | |
firebase.initializeApp({ | |
apiKey: "xxx", | |
authDomain: "xxx", | |
databaseURL: "xxx", | |
projectId: "xxx", | |
storageBucket: "xxx", | |
messagingSenderId: "xxx" | |
}); | |
export default function Auth() { | |
const [authState, setAuthState] = useState({ status: "loading" }); | |
useEffect(() => { | |
return firebase.auth().onAuthStateChanged(async user => { | |
if (user) { | |
const token = await user.getIdToken(); | |
const idTokenResult = await user.getIdTokenResult(); | |
const hasuraClaim = | |
idTokenResult.claims["https://hasura.io/jwt/claims"]; | |
if (hasuraClaim) { | |
setAuthState({ status: "in", user, token }); | |
} else { | |
// Check if refresh is required. | |
const metadataRef = firebase | |
.database() | |
.ref("metadata/" + user.uid + "/refreshTime"); | |
metadataRef.on("value", async (data) => { | |
if(!data.exists) return | |
// Force refresh to pick up the latest custom claims changes. | |
const token = await user.getIdToken(true); | |
setAuthState({ status: "in", user, token }); | |
}); | |
} | |
} else { | |
setAuthState({ status: "out" }); | |
} | |
}); | |
}, []); | |
const signInWithGoogle = async () => { | |
try { | |
await firebase.auth().signInWithPopup(provider); | |
} catch (error) { | |
console.log(error); | |
} | |
}; | |
const signOut = async () => { | |
try { | |
setAuthState({ status: "loading" }); | |
await firebase.auth().signOut(); | |
setAuthState({ status: "out" }); | |
} catch (error) { | |
console.log(error); | |
} | |
}; | |
let content; | |
if (authState.status === "loading") { | |
content = null; | |
} else { | |
content = ( | |
<> | |
<div> | |
{authState.status === "in" ? ( | |
<div> | |
<h2>Welcome, {authState.user.displayName}</h2> | |
<button onClick={signOut}>Sign out</button> | |
</div> | |
) : ( | |
<button onClick={signInWithGoogle}>Sign in with Google</button> | |
)} | |
</div> | |
<App authState={authState} /> | |
</> | |
); | |
} | |
return <div className="auth">{content}</div>; | |
} |
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