Dylan North

Dylan North

1567323251

Using Django DRF JWT Authentication with Django Channels

Sending the token over WebSocket from client to server

This step assumes that -

  • User is already authenticated to use Django DRF using JWT
  • A token is present on client side

We can only make use of querystring to send the token while opening the socket.

Create a new WebSocket using the endpoint -

// Retrieve your token on client side
let token = retrieveToken()
let endpoint = "ws://yourwebsite.com/path/"
 
// Create new WebSocket
let socket = new WebSocket(endpoint + "?token=" + token)

Handling the token and authenticating the user

To authenticate the user in Channels using JWT, we will need to create a custom authentication middleware for Channels. Make a file yourproject/channelsmiddleware.py -

from django.db import close_old_connections
from rest_framework_simplejwt.tokens import UntypedToken
from rest_framework_simplejwt.exceptions import InvalidToken, TokenError
from jwt import decode as jwt_decode
from django.conf import settings
from django.contrib.auth import get_user_model
from urllib.parse import parse_qs
 
 
class TokenAuthMiddleware:
    """
    Custom token auth middleware
    """
 
    def __init__(self, inner):
        # Store the ASGI application we were passed
        self.inner = inner
 
    def __call__(self, scope):
 
        # Close old database connections to prevent usage of timed out connections
        close_old_connections()
 
        # Get the token
        token = parse_qs(scope["query_string"].decode("utf8"))["token"][0]
 
        # Try to authenticate the user
        try:
            # This will automatically validate the token and raise an error if token is invalid
            UntypedToken(token)
        except (InvalidToken, TokenError) as e:
            # Token is invalid
            print(e)
            return None
        else:
            #  Then token is valid, decode it
            decoded_data = jwt_decode(token, settings.SECRET_KEY, algorithms=["HS256"])
            print(decoded_data)
            # Will return a dictionary like -
            # {
            #     "token_type": "access",
            #     "exp": 1568770772,
            #     "jti": "5c15e80d65b04c20ad34d77b6703251b",
            #     "user_id": 6
            # }
 
            # Get the user using ID
            user = get_user_model().objects.get(id=decoded_data["user_id"])
 
        # Return the inner application directly and let it run everything else
        return self.inner(dict(scope, user=user))

Now use this middleware in yourproject/routing.py file -

from channels.auth import AuthMiddlewareStack
from channels.routing import ProtocolTypeRouter, URLRouter
import yourapp.routing
from .channelsmiddleware import TokenAuthMiddleware
 
application = ProtocolTypeRouter(
    {
        # (http->django views is added by default)
        "websocket": TokenAuthMiddleware(
            URLRouter(yourapp.routing.websocket_urlpatterns)
        )
    }
)

 Accessing the User in consumer

You can now access the user in yourapp/consumers.py like -

from channels.generic.websocket import AsyncWebsocketConsumer
 
class FooConsumer(AsyncWebsocketConsumer):
    async def websocket_connect(self, event):
        user = self.scope[“user”]
        await self.accept()

Python FTW!

Originally published by Code Gabru at hashnode.com

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#django #python

What is GEEK

Buddha Community

Using Django DRF JWT Authentication with Django Channels
Ahebwe  Oscar

Ahebwe Oscar

1620177818

Django admin full Customization step by step

Welcome to my blog , hey everyone in this article you learn how to customize the Django app and view in the article you will know how to register  and unregister  models from the admin view how to add filtering how to add a custom input field, and a button that triggers an action on all objects and even how to change the look of your app and page using the Django suit package let’s get started.

Database

Custom Titles of Django Admin

Exclude in Django Admin

Fields in Django Admin

#django #create super user django #customize django admin dashboard #django admin #django admin custom field display #django admin customization #django admin full customization #django admin interface #django admin register all models #django customization

Ahebwe  Oscar

Ahebwe Oscar

1620185280

How model queries work in Django

How model queries work in Django

Welcome to my blog, hey everyone in this article we are going to be working with queries in Django so for any web app that you build your going to want to write a query so you can retrieve information from your database so in this article I’ll be showing you all the different ways that you can write queries and it should cover about 90% of the cases that you’ll have when you’re writing your code the other 10% depend on your specific use case you may have to get more complicated but for the most part what I cover in this article should be able to help you so let’s start with the model that I have I’ve already created it.

**Read More : **How to make Chatbot in Python.

Read More : Django Admin Full Customization step by step

let’s just get into this diagram that I made so in here:

django queries aboutDescribe each parameter in Django querset

we’re making a simple query for the myModel table so we want to pull out all the information in the database so we have this variable which is gonna hold a return value and we have our myModel models so this is simply the myModel model name so whatever you named your model just make sure you specify that and we’re gonna access the objects attribute once we get that object’s attribute we can simply use the all method and this will return all the information in the database so we’re gonna start with all and then we will go into getting single items filtering that data and go to our command prompt.

Here and we’ll actually start making our queries from here to do this let’s just go ahead and run** Python manage.py shell** and I am in my project file so make sure you’re in there when you start and what this does is it gives us an interactive shell to actually start working with our data so this is a lot like the Python shell but because we did manage.py it allows us to do things a Django way and actually query our database now open up the command prompt and let’s go ahead and start making our first queries.

#django #django model queries #django orm #django queries #django query #model django query #model query #query with django

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.

#tutorials #2fa #access #account security #authentication #authentication method #authentication token #cli #command line #cpanel #feature manager #google authenticator #one time password #otp #otp authentication #passcode #password #passwords #qr code #security #security code #security policy #security practices #single factor authentication #time-based one-time password #totp #two factor authentication #whm

Ahebwe  Oscar

Ahebwe Oscar

1624067081

REST Implementation Of Django Authentication System for Python

djoser

REST implementation of Django authentication system. djoser library provides a set of Django Rest Framework views to handle basic actions such as registration, login, logout, password reset and account activation. It works with custom user model.

Instead of reusing Django code (e.g. PasswordResetForm), we reimplemented few things to fit better into Single Page App architecture.

Developed by SUNSCRAPERS with passion & patience.

Requirements

To be able to run djoser you have to meet following requirements:

  • Python (3.6, 3.7, 3.8, 3.9)
  • Django (2.2, 3.1)
  • Django REST Framework 3.11.1

If you need to support other versions, please use djoser<2.

Installation

Simply install using pip:

$ pip install djoser

And continue with the steps described at configuration guide.

#django #authentication #rest implementation of django authentication system for python #rest #django authentication system for python #rest implementation

React Node Jwt Authentication without Redux - using LocalStorage and Axios

https://loizenai.com/react-node-jwt-authentication/

React Node Jwt Authentication without Redux

Tutorial: React Node Jwt Authentication (without Redux) – using LocalStorage and Axios (plus interceptor) in React application and Express + Sequelize + MySQL/PostgreSQL in Nodejs backend solution.

JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. And “How to build Reactjs Nodejs Jwt Token Based Authentication Example?” is one of the most common questions for SpringBoot Java development world. So in the tutorial, I introduce how to implement an application “Reactjs JWT SpringBoot token Authentication Example” with details step by step and 100% running sourcecode.

– I give you an Epic of the application, a fullstack excutive flow from frontend (Reactjs) to backend (Nodejs/Express) to database (MySQL/PostgreSQL) with overall architecture diagram.
– I give you a layer diagram of Reactjs Jwt Application with LocalStorage and Axios (plus Interceptor)
– I guide you detail-steps how to implement a security Jwt Token Nodejs backend.
– I guide you step by step how to develop a Reactjs Jwt Authentication application.
– Finally, I do an integrative testing from Reactjs Jwt Authentication application to jwt Nodejs Security RestAPIs.

Overall Jwt Login System Architecture Diagram

Overall Jwt Login System Architecture Diagram

For the Reactjs JWT Authentication tutorial, we have 2 projects:
– Backend project Nodejs/Express provides secured RestAPIs with JWT token.
– Reactjs project will request RestAPIs from Nodejs with the Jwt Token Authentication implementation.

JWT Authentication Sequence Diagram

The diagram below show how our system handles User Registration and User Login processes:

Reactjs Node Jwt Authentication Working Process Diagram

  1. User Registration Phase:
    – User uses a React.js register form to post user’s info (name, username, email, role, password) to Backend API /api/auth/signup.
    – Backend will check the existing users in database and save user’s signup info to database. Finally, It will return a message (successfully or fail) to

  2. User Login Phase:
    – User posts user/password to signin to Backend RestAPI /api/auth/signin.
    – Backend will check the username/password, if it is right, Backend will create and JWT string with secret then return it to Reactjs client.

After signin, user can request secured resources from backend server by adding the JWT token in Authorization Header. For each request, backend will check the JWT signature and then returns back the resources based on user’s registered authorities.

Reactjs JWT Authentication Diagram Overview

Reactjs JWT Authentication Diagram Overview

Reactjs JWT Authentication would be built with 5 main kind blocks:

Reactjs Router is a standard library for routing in React. It enables the navigation among views of various components in a React Application, allows changing the browser URL, and keeps the UI in sync with the URL.
Reactjs Components let you split the UI into independent, reusable pieces, and think about each piece in isolation.
Reactjs Service is a bridge between Reactjs Component and Backend Server, it is used to do technical logic with Backend Server (using Ajax Engine to fetch data from Backend, or using Local Storage to save user login data) and returned a response data to React.js Components
Local Storage allow to save key/value pairs in a web browser. It is a place to save the login user’s info.
Axios – (an Ajax Engine) is a promise-based HTTP client for the browser and Node. js. Axios makes it easy to send asynchronous HTTP requests to REST endpoints and perform CRUD operations.

Jwt Nodejs Token Security RestAPIs Diagram Overview

Jwt Nodejs Token Security RestAPIs Diagram Overview

HTTP request that matches route will be accepted by CORS Middleware before coming to Security layer.

Security layer includes:
– JWT Authentication Middleware: verify SignUp, verify token
– Authorization Middleware: check User’s roles

Main Business Logic Processing interacts with database via Sequelize and send HTTP response (token, user information, data based on roles…) to client.

Project Goal

We create a Reactjs JWT Authentication project as below:

Project Structure

It includes 8 components and 2 services and a router in app.js file.

– Home page:

Home page

– User Register page:

User Register page

– Login Page:

Login Page

– Profile Page:

Profile Page

– Use Page:

Use Page

– Project Manager Page:

Project Manager Page

– Reactjs Admin page:

Reactjs Admin page

Related post

#reactjs #nodejs #jwt #authentication #jwt-authentication