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Firebase: Last Login Request

I am dealing with Firebaseauthentication for the Internet. The documentation states that

Some security-related actions, such as deleting an account, setting a primary email address, and changing a password, require the user to sign up recently.

If not, the request will complete with an error code auth/requires-recent-login, and I must manage this case by prompting the user to re-insert my credentials. Once I did this, I could easily re-authenticate the user with the following code:

firebase.auth().currentUser.reauthenticate(credential)

The reference API has some details. It turns out that credentialit is actually an object of type firebase.auth.AuthCredential. However, I still have a bunch of questions that I could not find the answer in the documents:

  • How to create an object AuthCredential?
  • More importantly, how do I work with providers (Google, Facebook, ...). I agree that changing the email address / password does not make sense to providers, since this is the wrong place to change them, so re-authentication is not applied in this case. However, deleting the user is still an action requiring re-authentication, and this can be done regardless of the authentication method. How to re-authenticate a user who is logged in with a provider?
  • , . - .
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1

  • , ( /): firebase.auth.FacebookAuthProvider.credential(fbAccessToken);

  • OAuth, signInWithPopup . : . . :

    var tempApp = firebase.initializeApp(originalConfig, 'temp'); var provider = new firebase.auth.FacebookAuthProvider(); tempApp.signInWithPopup(provider).then(function(result)) { tempApp.auth().signOut(); originalApp.auth().currentUser.reauthenticate(credential); });

  • , firebase . . , .

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Source: https://habr.com/ru/post/1652105/

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