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I'm using web firebase javascript to authenticate by email and password. This process generates a token which I use to verify on my nodejs backend using firebase-admin. Once this token is generated, I store it on the browser local/session storage.

The front end is AngularJs which I intercept the http request to inject the token stored within the browser.

This is working fine, however after a while this token expire. So what would be the best way to refresh this token before it sends to the nodejs api?

Note: should I requet the currentUser.getToken() every request?

I'm using web firebase javascript to authenticate by email and password. This process generates a token which I use to verify on my nodejs backend using firebase-admin. Once this token is generated, I store it on the browser local/session storage.

The front end is AngularJs which I intercept the http request to inject the token stored within the browser.

This is working fine, however after a while this token expire. So what would be the best way to refresh this token before it sends to the nodejs api?

Note: should I requet the currentUser.getToken() every request?

• javascript
• angularjs
• node.js
• firebase
• firebase-authentication

Share Improve this question Follow edited Mar 6, 2017 at 2:02 Frank van Puffelen 600k8585 gold badges889889 silver badges859859 bronze badges asked Mar 6, 2017 at 1:48 CacoCaco 13111 gold badge22 silver badges44 bronze badges

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1 Answer 1

Sorted by: Reset to default 10

The currentUser.getIdToken() only refreshes the token when the current token has expired! So it doesn't create unneeded traffic or requests to Firebase!

firebase.auth().currentUser.getIdToken(true) // here we force a refresh
.then(function(token) {
  // ... do stuff!
}).catch(function(error) {
  if (error) throw error
});

You'll see that I added true as an argument to the getIdToken() function. This forces a refresh!

Here is the Firebase Documentation for the getIdToken() function.

I hope that helps!

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