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views.py
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views.py
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import uuid
from django.contrib.auth.models import update_last_login
from django.http import Http404
from drf_yasg.utils import swagger_auto_schema
from pydash import get
from rest_framework import mixins, status
from rest_framework.authtoken.serializers import AuthTokenSerializer
from rest_framework.authtoken.views import ObtainAuthToken
from rest_framework.exceptions import PermissionDenied
from rest_framework.generics import RetrieveAPIView, UpdateAPIView, DestroyAPIView
from rest_framework.permissions import IsAdminUser, IsAuthenticated, AllowAny
from rest_framework.response import Response
from core.common.mixins import ListWithHeadersMixin
from core.common.utils import parse_updated_since_param
from core.common.views import BaseAPIView, BaseLogoView
from core.orgs.models import Organization
from core.users.constants import VERIFICATION_TOKEN_MISMATCH, VERIFY_EMAIL_MESSAGE
from core.users.documents import UserProfileDocument
from core.users.serializers import UserDetailSerializer, UserCreateSerializer, UserListSerializer
from .models import UserProfile
class TokenAuthenticationView(ObtainAuthToken):
"""Implementation of ObtainAuthToken with last_login update"""
@swagger_auto_schema(request_body=AuthTokenSerializer)
def post(self, request, *args, **kwargs):
result = super().post(request, *args, **kwargs)
try:
user = UserProfile.objects.get(username=request.data['username'])
if not user.verified:
user.send_verification_email()
return Response(
{'detail': VERIFY_EMAIL_MESSAGE, 'email': user.email}, status=status.HTTP_401_UNAUTHORIZED
)
update_last_login(None, user)
except: # pylint: disable=bare-except
pass
return result
class UserBaseView(BaseAPIView):
lookup_field = 'user'
pk_field = 'username'
model = UserProfile
queryset = UserProfile.objects.filter(is_active=True)
es_fields = UserProfile.es_fields
document_model = UserProfileDocument
is_searchable = True
default_qs_sort_attr = '-date_joined'
def get_queryset(self):
updated_since = parse_updated_since_param(self.request.query_params)
if updated_since:
self.queryset = self.queryset.filter(updated_at__gte=updated_since)
return self.queryset
class UserLogoView(UserBaseView, BaseLogoView):
serializer_class = UserDetailSerializer
permission_classes = (IsAuthenticated, )
class UserListView(UserBaseView,
ListWithHeadersMixin,
mixins.CreateModelMixin):
def get_serializer_class(self):
if self.request.method == 'GET' and self.is_verbose():
return UserDetailSerializer
if self.request.method == 'POST':
return UserCreateSerializer
return UserListSerializer
def get_permissions(self):
if self.request.method in ['POST', 'DELETE']:
return [IsAdminUser()]
return []
def can_view(self, organization):
user = self.request.user
return organization.public_can_view or user.is_staff or organization.is_member(user)
def get(self, request, *args, **kwargs):
org = kwargs.pop('org', None)
if org:
organization = Organization.objects.filter(mnemonic=org).first()
if not organization:
return Response(status=status.HTTP_404_NOT_FOUND)
if not self.can_view(organization):
return Response(status=status.HTTP_403_FORBIDDEN)
self.queryset = organization.members.all()
return self.list(request, *args, **kwargs)
def post(self, request, *args, **kwargs): # pylint: disable=unused-argument
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
self.perform_create(serializer)
headers = self.get_success_headers(serializer.data)
if serializer.errors:
return Response(serializer.data, status=status.HTTP_400_BAD_REQUEST)
data = serializer.data.copy()
if 'username' in serializer.errors and 'token' not in data and get(serializer, 'instance.token'):
data['token'] = serializer.instance.token # for ocl_web
return Response(data, status=status.HTTP_201_CREATED, headers=headers)
class UserSignup(UserBaseView, mixins.CreateModelMixin):
serializer_class = UserCreateSerializer
permission_classes = (AllowAny, )
def post(self, request, *args, **kwargs): # pylint: disable=unused-argument
serializer = self.get_serializer(data={**request.data, 'verified': False})
serializer.is_valid(raise_exception=True)
self.perform_create(serializer)
if serializer.errors:
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
headers = self.get_success_headers(serializer.data)
return Response({'detail': VERIFY_EMAIL_MESSAGE}, status=status.HTTP_201_CREATED, headers=headers)
class UserEmailVerificationView(UserBaseView):
serializer_class = UserDetailSerializer
permission_classes = (AllowAny, )
def get(self, request, *args, **kwargs): # pylint: disable=unused-argument
user = self.get_object()
if not user:
return Response(status=status.HTTP_404_NOT_FOUND)
result = user.mark_verified(kwargs.get('verification_token'))
if result:
update_last_login(None, user)
return Response({'token': user.get_token()}, status=status.HTTP_200_OK)
return Response(dict(detail=VERIFICATION_TOKEN_MISMATCH), status=status.HTTP_401_UNAUTHORIZED)
class UserPasswordResetView(UserBaseView):
serializer_class = UserDetailSerializer
permission_classes = (AllowAny, )
def post(self, request, *args, **kwargs): # pylint: disable=unused-argument,no-self-use
"""Sends reset password mail"""
email = request.data.get('email')
if not email:
return Response(status=status.HTTP_400_BAD_REQUEST)
user = UserProfile.objects.filter(email=email).first()
if not user:
return Response(status=status.HTTP_404_NOT_FOUND)
user.verification_token = uuid.uuid4()
user.save()
user.send_reset_password_email()
return Response(status=status.HTTP_200_OK)
def put(self, request, *args, **kwargs): # pylint: disable=unused-argument,no-self-use
"""Resets password"""
token = request.data.get('token', None)
password = request.data.get('new_password', None)
if not token or not password:
return Response(status=status.HTTP_400_BAD_REQUEST)
user = UserProfile.objects.filter(verification_token=token).first()
if not user:
return Response(status=status.HTTP_404_NOT_FOUND)
result = user.update_password(password=password)
if get(result, 'errors'):
return Response(result, status=status.HTTP_400_BAD_REQUEST)
return Response(status=status.HTTP_200_OK)
class UserDetailView(UserBaseView, RetrieveAPIView, DestroyAPIView, mixins.UpdateModelMixin):
serializer_class = UserDetailSerializer
def get_queryset(self):
queryset = super().get_queryset()
if self.kwargs.get('user_is_self'):
return queryset.filter(username=self.request.user.username)
return queryset.filter(username=self.kwargs['user'])
def get_permissions(self):
if self.request.method == 'DELETE':
return [IsAdminUser()]
return [IsAuthenticated()]
def get_object(self, queryset=None):
instance = self.request.user if self.kwargs.get('user_is_self') else super().get_object(queryset)
self.user_is_self = self.request.user.username == instance.username
if not instance or instance.is_anonymous:
raise Http404()
is_self = self.kwargs.get('user_is_self') or self.user_is_self
is_admin = self.request.user.is_staff
if not is_self and not is_admin:
raise PermissionDenied(detail='You do not have permission to perform this action.')
return instance
def put(self, request, *args, **kwargs):
obj = self.get_object()
obj.update_password(request.data.get('password'), request.data.get('hashed_password'))
return self.partial_update(request, *args, **kwargs)
def delete(self, request, *args, **kwargs):
obj = self.get_object()
if self.user_is_self:
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
obj.soft_delete()
return Response(status=status.HTTP_204_NO_CONTENT)
class UserReactivateView(UserBaseView, UpdateAPIView):
permission_classes = (IsAdminUser, )
queryset = UserProfile.objects.filter(is_active=False)
serializer_class = UserDetailSerializer
def update(self, request, *args, **kwargs):
profile = self.get_object()
profile.undelete()
return Response(status=status.HTTP_204_NO_CONTENT)