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110 lines
3.7 KiB
Python
110 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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import time
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from django.utils.translation import ugettext as _
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from django.conf import settings
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from django.shortcuts import get_object_or_404
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from rest_framework.permissions import AllowAny
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from rest_framework.generics import CreateAPIView
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from rest_framework.serializers import ValidationError
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from rest_framework.response import Response
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from common.permissions import IsValidUser, NeedMFAVerify
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from common.utils import get_logger
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from users.models.user import User
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from ..serializers import OtpVerifySerializer
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from .. import serializers
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from .. import errors
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from ..mfa.otp import MFAOtp
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from ..mixins import AuthMixin
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logger = get_logger(__name__)
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__all__ = [
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'MFAChallengeVerifyApi', 'UserOtpVerifyApi',
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'MFASendCodeApi'
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]
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# MFASelectAPi 原来的名字
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class MFASendCodeApi(AuthMixin, CreateAPIView):
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"""
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选择 MFA 后对应操作 api，koko 目前在用
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"""
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permission_classes = (AllowAny,)
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serializer_class = serializers.MFASelectTypeSerializer
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def perform_create(self, serializer):
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username = serializer.validated_data.get('username', '')
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mfa_type = serializer.validated_data['type']
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if not username:
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user = self.get_user_from_session()
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else:
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user = get_object_or_404(User, username=username)
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mfa_backend = user.get_active_mfa_backend_by_type(mfa_type)
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if not mfa_backend or not mfa_backend.challenge_required:
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raise ValidationError('MFA type not support: {} {}'.format(mfa_type, mfa_backend))
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mfa_backend.send_challenge()
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def create(self, request, *args, **kwargs):
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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try:
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self.perform_create(serializer)
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return Response(serializer.data, status=201)
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except Exception as e:
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logger.exception(e)
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return Response({'error': str(e)}, status=400)
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class MFAChallengeVerifyApi(AuthMixin, CreateAPIView):
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permission_classes = (AllowAny,)
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serializer_class = serializers.MFAChallengeSerializer
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def perform_create(self, serializer):
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user = self.get_user_from_session()
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code = serializer.validated_data.get('code')
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mfa_type = serializer.validated_data.get('type', '')
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self._do_check_user_mfa(code, mfa_type, user)
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def create(self, request, *args, **kwargs):
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try:
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super().create(request, *args, **kwargs)
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return Response({'msg': 'ok'})
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except errors.AuthFailedError as e:
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data = {"error": e.error, "msg": e.msg}
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raise ValidationError(data)
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except errors.NeedMoreInfoError as e:
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return Response(e.as_data(), status=200)
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class UserOtpVerifyApi(CreateAPIView):
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permission_classes = (IsValidUser,)
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serializer_class = OtpVerifySerializer
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def get(self, request, *args, **kwargs):
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return Response({'code': 'valid', 'msg': 'verified'})
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def create(self, request, *args, **kwargs):
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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code = serializer.validated_data["code"]
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otp = MFAOtp(request.user)
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ok, error = otp.check_code(code)
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if ok:
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request.session["MFA_VERIFY_TIME"] = int(time.time())
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return Response({"ok": "1"})
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else:
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return Response({"error": _("Code is invalid, {}").format(error)}, status=400)
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def get_permissions(self):
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if self.request.method.lower() == 'get' \
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and settings.SECURITY_VIEW_AUTH_NEED_MFA:
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self.permission_classes = [NeedMFAVerify]
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return super().get_permissions()
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