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from djangorestframework.authentication import BaseAuthentication
from .models import Token
class TokenAuthentication(BaseAuthentication):
"""
Use a token model for authentication.
A custom token model may be used here, but must have the following minimum
properties:
* key -- The string identifying the token
* user -- The user to which the token belongs
* revoked -- The status of the token
The BaseToken class is available as an abstract model to be derived from.
The token key should be passed in as a string to the "Authorization" HTTP
header.
"""
model = Token
def authenticate(self, request):
key = request.META.get('HTTP_AUTHORIZATION', '').strip()
if not key:
return None
try:
token = self.model.objects.get(key=key)
except self.model.DoesNotExist:
return None
if token.user.is_active and not token.revoked:
return (token.user, token)
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