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from django.contrib.auth import authenticate
from django.utils.translation import gettext_lazy as _
from rest_framework import serializers
class AuthTokenSerializer(serializers.Serializer):
username = serializers.CharField(
label=_("Username"),
write_only=True
)
password = serializers.CharField(
label=_("Password"),
style={'input_type': 'password'},
trim_whitespace=False,
write_only=True
)
token = serializers.CharField(
label=_("Token"),
read_only=True
)
def validate(self, attrs):
username = attrs.get('username')
password = attrs.get('password')
if username and password:
user = authenticate(request=self.context.get('request'),
username=username, password=password)
# The authenticate call simply returns None for is_active=False
# users. (Assuming the default ModelBackend authentication
# backend.)
if not user:
msg = _('Unable to log in with provided credentials.')
raise serializers.ValidationError(msg, code='authorization')
else:
msg = _('Must include "username" and "password".')
raise serializers.ValidationError(msg, code='authorization')
attrs['user'] = user
return attrs
|
