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# -*- coding: utf-8 -*-
#
from django.core.cache import cache
from rest_framework import serializers
from users.models import User
from .models import AccessKey
__all__ = [
'AccessKeySerializer', 'OtpVerifySerializer', 'BearerTokenSerializer',
'MFAChallengeSerializer',
]
class AccessKeySerializer(serializers.ModelSerializer):
class Meta:
model = AccessKey
fields = ['id', 'secret', 'is_active', 'date_created']
read_only_fields = ['id', 'secret', 'date_created']
class OtpVerifySerializer(serializers.Serializer):
code = serializers.CharField(max_length=6, min_length=6)
class BearerTokenMixin(serializers.Serializer):
token = serializers.CharField(read_only=True)
keyword = serializers.SerializerMethodField()
date_expired = serializers.DateTimeField(read_only=True)
@staticmethod
def get_keyword(obj):
return 'Bearer'
def create_response(self, username):
request = self.context.get("request")
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
raise serializers.ValidationError("username %s not exist" % username)
token, date_expired = user.create_bearer_token(request)
instance = {
"username": username,
"token": token,
"date_expired": date_expired,
}
return instance
def update(self, instance, validated_data):
pass
class BearerTokenSerializer(BearerTokenMixin, serializers.Serializer):
username = serializers.CharField()
password = serializers.CharField(write_only=True, allow_null=True,
required=False)
public_key = serializers.CharField(write_only=True, allow_null=True,
required=False)
def create(self, validated_data):
username = validated_data.get("username")
return self.create_response(username)
class MFAChallengeSerializer(BearerTokenMixin, serializers.Serializer):
req = serializers.CharField(write_only=True)
auth_type = serializers.CharField(write_only=True)
code = serializers.CharField(write_only=True)
def validate_req(self, attr):
username = cache.get(attr)
if not username:
raise serializers.ValidationError("Not valid, may be expired")
self.context["username"] = username
def validate_code(self, code):
username = self.context["username"]
user = User.objects.get(username=username)
ok = user.check_otp(code)
if not ok:
msg = "Otp code not valid, may be expired"
raise serializers.ValidationError(msg)
def create(self, validated_data):
username = self.context["username"]
return self.create_response(username)