/Python/Django/Django jwt custom authentication

Django jwt custom authentication

How to load user from jwt token request django

from django.conf import settings
from rest_framework import authentication
from rest_framework import exceptions
from rest_framework.authentication import get_authorization_header
import CustomUser # just import your model here
import jwt

class JWTAuthentication(authentication.BaseAuthentication):
    def authenticate(self, request): # it will return user object
        try:
            token = get_authorization_header(request).decode('utf-8')
            if token is None or token == "null" or token.strip() == "":
                raise exceptions.AuthenticationFailed('Authorization Header or Token is missing on Request Headers')
            print(token)
            decoded = jwt.decode(token, settings.SECRET_KEY)
            username = decoded['username']
            user_obj = CustomUser.objects.get(username=username)
        except jwt.ExpiredSignature :
            raise exceptions.AuthenticationFailed('Token Expired, Please Login')
        except jwt.DecodeError :
            raise exceptions.AuthenticationFailed('Token Modified by thirdparty')
        except jwt.InvalidTokenError:
            raise exceptions.AuthenticationFailed('Invalid Token')
        except Exception as e:
            raise exceptions.AuthenticationFailed(e)
        return (user_obj, None)

    def get_user(self, userid):
        try:
            return CustomUser.objects.get(pk=userid)
        except Exception as e:
            return None

Source: stackoverflow.com

Similar codes

2 votes312 views2 answers
Django request.data
Python Django
-4 votes286 views5 answers
Current django version
Python Django
15 votes343 views4 answers
Q django
Python Django
0 vote331 views1 answer
Float number field django models
Python Django
0 vote295 views1 answer
Add to manytomany key django stackoverflow
Python Django
0 vote289 views1 answer
Django array of dates
Python Django
1 vote295 views1 answer
Yesno django
Python Django
6 votes343 views3 answers
Media url django
Python Django
3 votes322 views1 answer
Django group by
Python Django
0 vote348 views1 answer
Modules django
Python Django