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# -*- coding: utf-8 -*-
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#
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from django.shortcuts import get_object_or_404
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from django.utils.translation import gettext as _
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from rest_framework import exceptions
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from rest_framework.generics import CreateAPIView
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from rest_framework.permissions import AllowAny
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from rest_framework.response import Response
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from rest_framework.serializers import ValidationError
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from common.exceptions import UnexpectError
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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 .. import errors
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from .. import serializers
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from ..errors import SessionEmptyError
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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', '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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username = ''
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ip = ''
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def get_user_from_db(self, username):
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"""避免暴力测试用户名"""
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ip = self.get_request_ip()
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self.check_mfa_is_block(username, ip)
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try:
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user = get_object_or_404(User, username=username)
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return user
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except Exception as e:
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self.incr_mfa_failed_time(username, ip)
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raise e
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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 = self.get_user_from_db(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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error = _('Current user not support mfa type: {}').format(mfa_type)
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raise ValidationError({'error': error})
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try:
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mfa_backend.send_challenge()
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except Exception as e:
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raise UnexpectError(str(e))
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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 initial(self, request, *args, **kwargs):
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super().initial(request, *args, **kwargs)
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try:
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user = self.get_user_from_session()
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except SessionEmptyError:
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user = None
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if not user:
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raise exceptions.NotAuthenticated()
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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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