Skip to main content

How To Implements Security in Firebase?

The Security in Firebase is handled by security rules in the setting the JSON and it can be found when we click on Database inside the side menu and then RULES in tab bar.

Read and Write -
{
   "rules": {
      "users": {
         "$uid": {
            ".write": "$uid === auth.uid",
            ".read": true
         }        
      }
   }
}

 Validate -
{
   "rules": {
      "todo": {
         ".validate": "yourData.isString()"
      }     
   }
}

 Stayed Informed - Firebase Tutorial for Android and IOS

I hope you are enjoying with this post! Please share with you friends. Thank you so much!
Labels:
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

React | Encryption and Decryption Data/Text using CryptoJs

To encrypt and decrypt data, simply use encrypt () and decrypt () function from an instance of crypto-js. Node.js (Install) Requirements: 1.       Node.js 2.       npm (Node.js package manager) 3.       npm install crypto-js npm   install   crypto - js Usage - Step 1 - Import var   CryptoJS  =  require ( "crypto-js" ); Step 2 - Encrypt    // Encrypt    var   ciphertext  =  CryptoJS . AES . encrypt ( JSON . stringify ( data ),  'my-secret-key@123' ). toString (); Step 3 -Decrypt    // Decrypt    var   bytes  =  CryptoJS . AES . decrypt ( ciphertext ,  'my-secret-key@123' );    var   decryptedData  =  JSON . parse ( bytes . toString ( CryptoJS . enc . Utf8 )); As an Example,   import   React   from   'react' ; import   './App.css' ; //Including all libraries, for access to extra methods. var   CryptoJS  =  require ( "crypto-js" ); function   App () {    var   data
Read more

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVADOR
Read more

Angular 7 and 8 Validate Two Dates - Start Date & End Date

In this example, I am sharing “ How to compare or validate two dates in Angular? ” using custom validation function in Angular 7 and Angular 8 . Here, I’m validating the two dates  - a start date and end date. The end date should be greater than the Start date”. Let’s see the example :- import { Component , OnInit } from '@angular/core' ; import { UserRequest } from '../model/user' ; @ Component ({   selector: 'User_Cal' ,   templateUrl: './usercal.component.html' ,   styleUrls: [ './usercal.component.css' ] }) export class UserCalComponent implements OnInit {   constructor ( private EncrDecr : EncrDecrService , private   http :  HttpClient ,               private datePipe : DatePipe ) {                            }   //model class   model = new UserRequest ( null , null , null , null , null );   //Error Display   error : any ={ isError: false , errorMessage: '' };   isValid
Read more

Encryption and Decryption Data/Password in Angular

You can use crypto.js to encrypt data. We have used 'crypto-js'.   Follow the below steps, Steps 1 –  Install CryptoJS using below NPM commands in your project directory npm install crypto-js --save npm install @types/crypto-js –save After installing both above commands it looks like  – NPM Command  1 ->   npm install crypto-js --save NPM Command  2 ->   npm install @types/crypto-js --save Steps 2  - Add the script path in “ angular.json ” file. "scripts" : [                "../node_modules/crypto-js/crypto-js.js"               ] Steps 3 –  Create a service class “ EncrDecrService ” for  encrypts and decrypts get/set methods . Import “ CryptoJS ” in the service for using  encrypt and decrypt get/set methods . import  {  Injectable  }  from   '@angular/core' ; import   *   as   CryptoJS   from   'crypto-js' ; @ Injectable ({    providedIn:   'root' }) export   class   EncrDecrS
Read more

23 Best Key Features of MVC 6 and MVC 5

What’s new In MVC 6? The Added Key Features as following as, 1. The Microsoft makes a bundle of MVC, Web API, WebPages, SignalR, that bundle we called  MVC6 . 2. The MVC 6   added new cloud computing optimization system of MVC, web API, SignalR and entity framework. 3. In MVC 6, Microsoft removed the dependency of system.web.dll from MVC 6 because it's so expensive. Typically it consumes 30K memory per request/response. 4. Right now, in MVC 6 consume 2K memory per request response. It's too small memory consume. 5. Most of the problem solved using the  Roslyn Compiler . 6 . It’s added a  Start-up  class that replaces to  global.asax  file. 7. The Session state and caching adjusts our behavior depending on your hosting environment. 8. Host agnostic and its true side-by-side deployment 9. The vNext is a cross platform and open source and it's also supported to Mac, Linux, etc. 10. It’s also added to TagHeaplers use to creating an
Read more