无法连接到Firebase Realtime数据库NodeJS服务器

Question

When I try to run the below code, the following error shows up in the console:

node mcve.js FIREBASE WARNING: set at /sitesToVisit/-Kr6oOddLtLUcpUpha7m failed: permission_denied (node:12540) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: PERMISSION_DENIED: Permission denied

var firebase = require("firebase");
var config = {
    apiKey: "AIzaSyCJyakN_kwOnZ2f4-P0tzGdODEJeDsXt3w",
    authDomain: "seo-hero-fe0e8.firebaseapp.com",
    databaseURL: "https://seo-hero-fe0e8.firebaseio.com",
    projectId: "seo-hero-fe0e8",
    storageBucket: "seo-hero-fe0e8.appspot.com",
    messagingSenderId: "333356421370"
  };
  firebase.initializeApp(config);
    var database = firebase.database();
    var sitesToVisitRef = firebase.database().ref("sitesToVisit");
    var newSiteToVisitRef = sitesToVisitRef.push();
    newSiteToVisitRef.set({
      url: 'url',
      baseUrl: 'urlBase'
    });
var firebase = require("firebase");
var config = {
    apiKey: "apiKey",
    authDomain: "authDomain",
    databaseURL: "databaseURL",
    projectId: "projectId",
    storageBucket: "storageBucket",
    messagingSenderId: "messagingSenderId"
  };
  firebase.initializeApp(config);
    var database = firebase.database();
    var sitesToVisitRef = firebase.database().ref("sitesToVisit");
    var newSiteToVisitRef = sitesToVisitRef.push();
    newSiteToVisitRef.set({
      url: 'url',
      baseUrl: 'urlBase'
    });

Update: I tried creating a new file in a new folder, that wasn't in a public NPM package. This worked when I did a simple:

firebase.database().ref('usersecond').set({
    username: "ben",
    email: "hi",
    profile_picture : "imageUrl"
  });

After initializing the database. However, when I added the rest of my code, this set didn't affect the database; it didn't throw an error, but the data just didn't show up in the database. Could this be because I am using the NPM Request Module?

Answer 1

It looks like you don't have permission to write /sitesToVisit/-Kr6oOddLtLUcpUpha7m .

If this code is running on a trusted environment (eg a device/server you control, or Cloud Functions), I'd consider using the Firebase Admin SDK: https://firebase.google.com/docs/admin/setup . This will make the code run with administrative privilege, bypassing security rules.