如何从FirebaseAuth获取ID令牌 [英] How to get the ID token from FirebaseAuth

问题描述

我正在从我的Firebase数据库中读取一些Json文件，并尝试获取要在标头中使用的当前用户的ID令牌，如下所示：

I am reading some Json files from my firebase database and I am trying to obtain an ID token for the current user to be used in the header as follows:

 var response = await httpClient.get(url,headers: {'Authorization':"Bearer ${FirebaseAuth.instance.currentUser.getToken()}"});

当我执行上一行时，它似乎没有获得正确的令牌，因为我不能访问数据库，但是，当我在字符串中手动包含ID令牌时，我的应用程序将按预期工作。我做错了到底是什么？

when I do the previous line, it seems that it does not get the correct token as I can not access the database, however, when I manually include an ID token in the string, my application works as intended. What is it exactly that I am doing wrong ?

推荐答案

getIdToken（） 返回 Future -您必须 await 它实际上得到令牌字符串：

getIdToken() returns a Future - you have to await it to actually get the token string:

var token = await FirebaseAuth.instance.currentUser().getIdToken();
var response = await httpClient.get(url,headers: {'Authorization':"Bearer $token"});

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