【问题标题】:admin.auth().verifyIdToken(idToken) Error: Could not load the default credentials whith firebase-admin after to 8.0.0admin.auth().verifyIdToken(idToken) 错误:在 8.0.0 之后无法使用 firebase-admin 加载默认凭据
【发布时间】:2020-07-24 10:44:47
【问题描述】:

当我尝试在 firebase 中使用中间件时遇到问题

这是我的中间件(FBauth)

const db = admin.firestore();

const FBAuth  = (_req,_res,next) => {
    let idToken;
    if(_req.headers.authorization && _req.headers.authorization.startsWith('Bearer ')){
        idToken = _req.headers.authorization.split ('Bearer ')[1];
        console.log('ID TOKEN ------------>', idToken);
    }else{
        console.error('Nessun Token trovato')
        return _res.status(403).json({ error: 'non-autorizzato'});
    }
    admin.auth().verifyIdToken(idToken)
        .then(decodedToken => {
            _req.user = decodedToken;
            console.log(decodedToken);
            return db.collection('users')
            .where('userId', '==', _req.user.uid)
            .limit(1)
            .get();
        })
        .then(data=>{
            console.log('****** reading data ******', data);
            _req.user.handle = data.doc[0].data().handle;
            return next();
        })
        .catch(err => {
            console.error('********error while verifying token*********', err);
            return _res.status(403).json({error: `${err}`});
        }
      );
};

当我尝试验证令牌时出现此错误

Error: Could not load the default credentials. Browse to https://cloud.google.com/docs/authentication/getting-started for more information

我认为我的代码正确引导

const functions = require('firebase-functions');
const admin = require('firebase-admin');
const app =  require('express')();

admin.initializeApp();

const firebaseConfig = {
    apiKey: "**************",
    authDomain: "***************",
    databaseURL: "***************",
    projectId: "***************",
    storageBucket: "***************",
    messagingSenderId: "***************",
    appId: "***************",
    measurementId: "***************"
  };

const firebase = require('firebase');

firebase.initializeApp(firebaseConfig);

也许与此 ISSUE 相关 ----> https://github.com/firebase/firebase-admin-node/issues/738 ?我该如何解决?

PS:

我的依赖是这些

"dependencies": {
    "express": "^4.17.1",
    "firebase": "^7.13.2",
    "firebase-admin": "^8.9.0",
    "firebase-functions": "^3.3.0"
  },


【问题讨论】:

  • 如果你在网络上搜索那个错误信息,你会发现很多信息。

标签: node.js firebase google-cloud-firestore google-cloud-functions firebase-admin


【解决方案1】:

我可以解决 跟随这里 https://stackoverflow.com/a/58140389/6414686

你必须从这里下载文件

YOURFILE.JSON https://console.firebase.google.com/u/0/project/[YOURPROJECTID]/settings/serviceaccounts/adminsdk

var serviceAccount = require("./keys/YOURFILE.json");

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount),
  databaseURL: "YOURURLFROMPAGE"
});

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