Role Based Authentication in NodeJS with ExpressJS and Auth0

Role-Based Access Control (RBAC) is the idea of grouping permissions together by a role which allows us to protect applications with Role Based Authentication. Users are assigned a role through the Auth0 dashboard the corresponding permissions are placed on the user’s access token (JWT) after authenticating. That access token can be extracted by an Auth0 SDK (this video uses JavaScipt/ ReactJS) and sent to a custom server.

Serverside logic (this video is based on NodeJS and ExpressJS), can then check for specific permissions and then allow or reject certain resources.

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Code Samples & Documentation

Video starting point: https://github.com/twclark0/roles-scopes-node-auth0/tree/roles-beginning

Video ending point: https://github.com/twclark0/roles-scopes-node-auth0/tree/roles-final

https://auth0.com/docs/authorization/rbac

#node #auth0 #express

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How To Set Up Two-Factor Authentication in cPanel

What is 2FA
Two-Factor Authentication (or 2FA as it often referred to) is an extra layer of security that is used to provide users an additional level of protection when securing access to an account.
Employing a 2FA mechanism is a vast improvement in security over the Singe-Factor Authentication method of simply employing a username and password. Using this method, accounts that have 2FA enabled, require the user to enter a one-time passcode that is generated by an external application. The 2FA passcode (usually a six-digit number) is required to be input into the passcode field before access is granted. The 2FA input is usually required directly after the username and password are entered by the client.

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JWT(jsonwebtoken) token Based Authentication using NodeJS.

First, we have to know what is JWT? JWT(jsonwebtoken) is npm package which is used to create token when user log-in into our application.

• the basic structure of token is as below:-

JWT token structure

• Header:- Header in JWT token contains some metadata about the token. we as users don’t have to write anything into it.
• Payload:- Payload is the information that we have to add to the token for any further use.
• Signature:- Signature is the URLencoded text which is made using Header, Payload, and Secret available in the server. the same secret is to be used to extract information from tokens in the future. The Secret is used so that only authorized servers can only decode Token.

Now let us see how we can use tokens in the server.

Step 1:- Installing JWT and setting registration part.

Step2:- Handling login route

Step 3:- Creating Token

Step4:- Returning token where we called createtoken().

Step 5:- using the token to authenticate.

Step 6:- Creating auth.js file into middlewares folder

Step 7:- Using the “isLoggedIn()” method inside the auth.js file when we need authorization.

#nodejs #authentication #jwt #expressjs

Role Based Authentication in NodeJS with ExpressJS and Auth0

Role-Based Access Control (RBAC) is the idea of grouping permissions together by a role which allows us to protect applications with Role Based Authentication. Users are assigned a role through the Auth0 dashboard the corresponding permissions are placed on the user’s access token (JWT) after authenticating. That access token can be extracted by an Auth0 SDK (this video uses JavaScipt/ ReactJS) and sent to a custom server.

Serverside logic (this video is based on NodeJS and ExpressJS), can then check for specific permissions and then allow or reject certain resources.

---

Code Samples & Documentation

Video starting point: https://github.com/twclark0/roles-scopes-node-auth0/tree/roles-beginning

Video ending point: https://github.com/twclark0/roles-scopes-node-auth0/tree/roles-final

https://auth0.com/docs/authorization/rbac

#node #auth0 #express

Authentication and Authorization in NodeJS

User authentication & authorization is one of the important part of any web application. There are several kinds of way to handle authentication, we can rely on third party service like Passport. But in this article we will use very simple & self developed approach, which will help us to understand core part of authentication.

Prerequisite

Node

Express

Nodemon

Technology Used

Database: MySQL

Password Hash: bcryptjs

Token: JWT

Basic Structure

To create basic structure for different kind of endpoints like registration or login we will use express as router. And we will create a folder for routers.

In routes folder we will create a file auth.js for authentication related routes.

#nodejs #mysql #authentication #web-development #expressjs