52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import bcrypt
|
|
import jwt
|
|
from django.conf import settings
|
|
from rest_framework.authentication import (
|
|
BaseAuthentication,
|
|
)
|
|
from rest_framework.exceptions import AuthenticationFailed, NotAuthenticated
|
|
from rest_framework.permissions import IsAuthenticated
|
|
|
|
from api.users.models import Profile
|
|
|
|
|
|
class JWTAuthentication(BaseAuthentication):
|
|
def authenticate_header(self, request):
|
|
return "Provide a valid token in the 'Authorization' header"
|
|
|
|
def authenticate(self, request):
|
|
if IsAuthenticated not in getattr(
|
|
request.resolver_match.func.cls, "permission_classes", []
|
|
):
|
|
return None
|
|
|
|
token = request.headers.get("Authorization", "").split("Bearer ")[-1]
|
|
|
|
if not token:
|
|
raise NotAuthenticated
|
|
|
|
try:
|
|
payload = jwt.decode(
|
|
token, settings.SECRET_KEY, algorithms=["HS256"]
|
|
)
|
|
|
|
user = Profile.objects.get(id=payload["id"])
|
|
|
|
if not bcrypt.checkpw(
|
|
payload["password"].encode("utf-8"),
|
|
user.password.encode("utf-8"),
|
|
):
|
|
error = "Token has expired"
|
|
raise AuthenticationFailed(error)
|
|
except Profile.DoesNotExist:
|
|
error = "Invalid token"
|
|
raise AuthenticationFailed(error) from None
|
|
except jwt.ExpiredSignatureError:
|
|
error = "Token has expired"
|
|
raise AuthenticationFailed(error) from None
|
|
except jwt.InvalidTokenError:
|
|
error = "Invalid token"
|
|
raise AuthenticationFailed(error) from None
|
|
else:
|
|
return (user, None)
|