55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
from rest_framework import serializers, exceptions
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from otpauth.models import OTPSeed
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import pyotp
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import otpauth
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# For accessing / modifying the data
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class OTPSerializer(serializers.ModelSerializer):
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class Meta:
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model = OTPSeed
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fields = ('name', 'realm', 'seed')
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read_only_fields = ('seed',)
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def create(self, validated_data):
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validated_data['seed'] = pyotp.random_base32()
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return OTPSeed.objects.create(**validated_data)
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# For parsing authentication
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class TokenSerializer(serializers.Serializer):
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name = serializers.CharField(max_length=128)
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token = serializers.CharField(max_length=128)
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realm = serializers.CharField(max_length=128)
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token_name = 'token'
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name_name = 'name'
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realm_name = 'realm'
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def save(self):
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token_in = self.validated_data.get(self.token_name)
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name_in = self.validated_data.get(self.name_name)
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realm_in = self.validated_data.get(self.realm_name)
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print("auth: {} {} {} ({} {} {} -- {})".format(token_in, name_in, realm_in, self.token_name, self.name_name, self.realm_name, self.validated_data))
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# 1. Verify that the connection might authenticate
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try:
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db_instance = otpauth.models.OTPSeed.objects.get(name=name_in, realm=realm_in)
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except (OTPSeed.MultipleObjectsReturned, OTPSeed.DoesNotExist):
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raise exceptions.AuthenticationFailed()
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totp = pyotp.TOTP(db_instance.seed)
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if not totp.verify(token_in, valid_window=3):
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raise exceptions.AuthenticationFailed()
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return (db_instance, token_in)
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# For verifying a token
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class VerifySerializer(TokenSerializer):
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verifyname = serializers.CharField(max_length=128)
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verifytoken = serializers.CharField(max_length=128)
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verifyrealm = serializers.CharField(max_length=128)
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token_name = 'verifytoken'
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name_name = 'verifyname'
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realm_name = 'verifyrealm'
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