[英]Link Facebook to Firebase Anonymous Auth without calling Facebook API
I am creating anonymous sessions in my Firebase application to save user data before they create their accounts. 我在Firebase应用程序中创建匿名会话,以便在创建帐户之前保存用户数据。 I saw that Firebase allows linking a Facebook login to an anonymous account which sounds really neat, but a caveat of this process seems to be that I have to grab the Facebook token myself, outside the warmth and comfort of the awesome Firebase API, which seems strangely un-developed given how much of the login flow Firebase seems to do on behalf of apps. 我看到Firebase允许将Facebook登录链接到一个听起来非常整洁的匿名帐户 ,但是这个过程的一个警告似乎是我必须自己抓住Facebook令牌,除了令人敬畏的Firebase API的温暖和舒适之外考虑到Firebase似乎代表应用程序执行了多少登录流程,这是一种奇怪的未开发。
A code sample of how to connect an anonymous account from their account linking docs : 如何从其帐户链接文档中连接匿名帐户的代码示例:
var credential = firebase.auth.FacebookAuthProvider.credential(
response.authResponse.accessToken);
Naturally, I want to use Firebase's way of getting a token 当然,我想使用Firebase获取令牌的方式
var provider = new firebase.auth.FacebookAuthProvider();
firebase.auth().signInWithPopup(provider).then(function(result) {
// result.token or whatever would appear here
});
But if I were to run that, I would lose my anonymous session (and my anonymous user ID, which we want the new Facebook login to use). 但是,如果我要运行它,我将失去我的匿名会话(以及我的匿名用户ID,我们希望新的Facebook登录使用)。
Is there anyway to get a Facebook Token out of Firebase's auth mechanism without logging the user in and losing the anonymous session that I'm trying to convert into a Facebook Login-able account? 反正有没有使用Firebase的auth机制获取Facebook令牌而不记录用户并丢失我想要转换为Facebook登录帐户的匿名会话? (The goal is to not have to call the Facebook API myself, especially as I'll be adding Google here as well) (目标是不必自己调用Facebook API,特别是因为我将在这里添加Google)
I think you're looking to #linkWithPopup or #linkWithRedirect : 我想你正在寻找#linkWithPopup或#linkWithRedirect :
var provider = new firebase.auth.FacebookAuthProvider();
user.linkWithPopup(provider).then(function(result) {
console.log('Party 🎉');
});
If for some reason that doesn't cut it, you could always opt to do yourself: 如果由于某种原因不能削减它,你可以随时选择自己做:
Quick and dirty example: 快速而肮脏的例子:
var googleToken;
var anonUser;
firebase.auth().signInAnonymously().then(function(user) {
anonUser = user;
}).catch(function(error) {
console.error("Anon sign in failed", error);
});
function signInWithGoogle() {
var provider = new firebase.auth.GoogleAuthProvider();
firebase.auth().signInWithPopup(provider).then(function(result) {
googleToken = result.credential.idToken;
}).catch(function(error) {
console.error("Google sign in failed", error);
})
}
function deleteAndLink() {
firebase.auth().currentUser.delete().then(function() {
var credential =
firebase.auth.GoogleAuthProvider.credential(googleToken);
anonUser.link(googleCredential);
}).then(function() {
console.log("Link succeeded");
}).catch(function(error) {
console.error("Something went wrong", error);
});
}
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