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846 lines
33 KiB
Python
846 lines
33 KiB
Python
# Copyright © 2017 Tom Hacohen
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, version 3.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import msgpack
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from django.conf import settings
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from django.contrib.auth import get_user_model, user_logged_in, user_logged_out
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from django.core.exceptions import PermissionDenied
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from django.db import transaction, IntegrityError
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from django.db.models import Max, Value as V
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from django.db.models.functions import Coalesce, Greatest
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from django.http import HttpResponseBadRequest, HttpResponse, Http404
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from django.shortcuts import get_object_or_404
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from rest_framework import status
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from rest_framework import viewsets
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from rest_framework.decorators import action as action_decorator
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from rest_framework.response import Response
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from rest_framework.parsers import JSONParser, FormParser, MultiPartParser
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from rest_framework.renderers import BrowsableAPIRenderer
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from rest_framework.exceptions import AuthenticationFailed
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from rest_framework.permissions import IsAuthenticated
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import nacl.encoding
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import nacl.signing
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import nacl.secret
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import nacl.hash
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from .token_auth.models import AuthToken
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from .drf_msgpack.parsers import MessagePackParser
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from .drf_msgpack.renderers import MessagePackRenderer
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from . import app_settings, permissions
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from .renderers import JSONRenderer
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from .models import (
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Collection,
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CollectionItem,
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CollectionItemRevision,
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CollectionMember,
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CollectionMemberRemoved,
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CollectionInvitation,
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Stoken,
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UserInfo,
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)
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from .serializers import (
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AuthenticationChangePasswordInnerSerializer,
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AuthenticationSignupSerializer,
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AuthenticationLoginChallengeSerializer,
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AuthenticationLoginSerializer,
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AuthenticationLoginInnerSerializer,
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CollectionSerializer,
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CollectionItemSerializer,
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CollectionItemBulkGetSerializer,
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CollectionItemDepSerializer,
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CollectionItemRevisionSerializer,
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CollectionItemChunkSerializer,
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CollectionMemberSerializer,
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CollectionInvitationSerializer,
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InvitationAcceptSerializer,
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UserInfoPubkeySerializer,
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UserSerializer,
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)
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from .utils import get_user_queryset
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from .exceptions import EtebaseValidationError
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from .parsers import ChunkUploadParser
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from .signals import user_signed_up
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User = get_user_model()
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def msgpack_encode(content):
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return msgpack.packb(content, use_bin_type=True)
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def msgpack_decode(content):
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return msgpack.unpackb(content, raw=False)
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class BaseViewSet(viewsets.ModelViewSet):
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authentication_classes = tuple(app_settings.API_AUTHENTICATORS)
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permission_classes = tuple(app_settings.API_PERMISSIONS)
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renderer_classes = [JSONRenderer, MessagePackRenderer] + ([BrowsableAPIRenderer] if settings.DEBUG else [])
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parser_classes = [JSONParser, MessagePackParser, FormParser, MultiPartParser]
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stoken_id_fields = None
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def get_serializer_class(self):
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serializer_class = self.serializer_class
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if self.request.method == 'PUT':
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serializer_class = getattr(self, 'serializer_update_class', serializer_class)
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return serializer_class
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def get_collection_queryset(self, queryset=Collection.objects):
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user = self.request.user
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return queryset.filter(members__user=user)
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def get_stoken_obj_id(self, request):
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return request.GET.get('stoken', None)
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def get_stoken_obj(self, request):
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stoken = self.get_stoken_obj_id(request)
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if stoken is not None:
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try:
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return Stoken.objects.get(uid=stoken)
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except Stoken.DoesNotExist:
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raise EtebaseValidationError('bad_stoken', 'Invalid stoken.', status_code=status.HTTP_400_BAD_REQUEST)
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return None
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def filter_by_stoken(self, request, queryset):
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stoken_rev = self.get_stoken_obj(request)
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aggr_fields = [Coalesce(Max(field), V(0)) for field in self.stoken_id_fields]
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max_stoken = Greatest(*aggr_fields) if len(aggr_fields) > 1 else aggr_fields[0]
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queryset = queryset.annotate(max_stoken=max_stoken).order_by('max_stoken')
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if stoken_rev is not None:
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queryset = queryset.filter(max_stoken__gt=stoken_rev.id)
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return queryset, stoken_rev
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def get_queryset_stoken(self, queryset):
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maxid = -1
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for row in queryset:
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rowmaxid = getattr(row, 'max_stoken') or -1
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maxid = max(maxid, rowmaxid)
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new_stoken = (maxid >= 0) and Stoken.objects.get(id=maxid)
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return new_stoken or None
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def filter_by_stoken_and_limit(self, request, queryset):
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limit = int(request.GET.get('limit', 50))
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queryset, stoken_rev = self.filter_by_stoken(request, queryset)
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result = list(queryset[:limit + 1])
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if len(result) < limit + 1:
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done = True
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else:
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done = False
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result = result[:-1]
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new_stoken_obj = self.get_queryset_stoken(result) or stoken_rev
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return result, new_stoken_obj, done
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# Change how our list works by default
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def list(self, request, collection_uid=None, *args, **kwargs):
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queryset = self.get_queryset()
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serializer = self.get_serializer(queryset, many=True)
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ret = {
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'data': serializer.data,
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'done': True, # we always return all the items, so it's always done
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}
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return Response(ret)
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class CollectionViewSet(BaseViewSet):
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allowed_methods = ['GET', 'POST']
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permission_classes = BaseViewSet.permission_classes + (permissions.IsCollectionAdminOrReadOnly, )
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queryset = Collection.objects.all()
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serializer_class = CollectionSerializer
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lookup_field = 'main_item__uid'
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lookup_url_kwarg = 'uid'
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stoken_id_fields = ['items__revisions__stoken__id', 'members__stoken__id']
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def get_queryset(self, queryset=None):
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if queryset is None:
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queryset = type(self).queryset
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return self.get_collection_queryset(queryset)
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def get_serializer_context(self):
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context = super().get_serializer_context()
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prefetch = self.request.query_params.get('prefetch', 'auto')
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context.update({'request': self.request, 'prefetch': prefetch})
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return context
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def destroy(self, request, uid=None, *args, **kwargs):
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# FIXME: implement
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def partial_update(self, request, uid=None, *args, **kwargs):
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def update(self, request, *args, **kwargs):
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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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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serializer.save(owner=self.request.user)
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return Response({}, status=status.HTTP_201_CREATED)
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def list(self, request, *args, **kwargs):
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queryset = self.get_queryset()
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result, new_stoken_obj, done = self.filter_by_stoken_and_limit(request, queryset)
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new_stoken = new_stoken_obj and new_stoken_obj.uid
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serializer = self.get_serializer(result, many=True)
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ret = {
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'data': serializer.data,
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'stoken': new_stoken,
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'done': done,
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}
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stoken_obj = self.get_stoken_obj(request)
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if stoken_obj is not None:
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# FIXME: honour limit? (the limit should be combined for data and this because of stoken)
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remed = CollectionMemberRemoved.objects.filter(user=request.user, stoken__id__gt=stoken_obj.id) \
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.values_list('collection__main_item__uid', flat=True)
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if len(remed) > 0:
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ret['removedMemberships'] = [{'uid': x} for x in remed]
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return Response(ret)
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class CollectionItemViewSet(BaseViewSet):
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allowed_methods = ['GET', 'POST', 'PUT']
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permission_classes = BaseViewSet.permission_classes + (permissions.HasWriteAccessOrReadOnly, )
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queryset = CollectionItem.objects.all()
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serializer_class = CollectionItemSerializer
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lookup_field = 'uid'
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stoken_id_fields = ['revisions__stoken__id']
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def get_queryset(self):
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collection_uid = self.kwargs['collection_uid']
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try:
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collection = self.get_collection_queryset(Collection.objects).get(main_item__uid=collection_uid)
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except Collection.DoesNotExist:
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raise Http404("Collection does not exist")
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# XXX Potentially add this for performance: .prefetch_related('revisions__chunks')
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queryset = type(self).queryset.filter(collection__pk=collection.pk,
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revisions__current=True)
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return queryset
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def get_serializer_context(self):
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context = super().get_serializer_context()
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prefetch = self.request.query_params.get('prefetch', 'auto')
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context.update({'request': self.request, 'prefetch': prefetch})
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return context
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def create(self, request, collection_uid=None, *args, **kwargs):
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# We create using batch and transaction
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def destroy(self, request, collection_uid=None, uid=None, *args, **kwargs):
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# We can't have destroy because we need to get data from the user (in the body) such as hmac.
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def update(self, request, collection_uid=None, uid=None, *args, **kwargs):
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def partial_update(self, request, collection_uid=None, uid=None, *args, **kwargs):
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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def list(self, request, collection_uid=None, *args, **kwargs):
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queryset = self.get_queryset()
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if not self.request.query_params.get('withCollection', False):
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queryset = queryset.filter(parent__isnull=True)
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result, new_stoken_obj, done = self.filter_by_stoken_and_limit(request, queryset)
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new_stoken = new_stoken_obj and new_stoken_obj.uid
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serializer = self.get_serializer(result, many=True)
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ret = {
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'data': serializer.data,
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'stoken': new_stoken,
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'done': done,
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}
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return Response(ret)
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@action_decorator(detail=True, methods=['GET'])
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def revision(self, request, collection_uid=None, uid=None, *args, **kwargs):
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col = get_object_or_404(self.get_collection_queryset(Collection.objects), main_item__uid=collection_uid)
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item = get_object_or_404(col.items, uid=uid)
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limit = int(request.GET.get('limit', 50))
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iterator = request.GET.get('iterator', None)
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queryset = item.revisions.order_by('-id')
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if iterator is not None:
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iterator = get_object_or_404(queryset, uid=iterator)
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queryset = queryset.filter(id__lt=iterator.id)
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result = list(queryset[:limit + 1])
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if len(result) < limit + 1:
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done = True
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else:
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done = False
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result = result[:-1]
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serializer = CollectionItemRevisionSerializer(result, context=self.get_serializer_context(), many=True)
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iterator = serializer.data[-1]['uid'] if len(result) > 0 else None
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ret = {
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'data': serializer.data,
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'iterator': iterator,
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'done': done,
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}
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return Response(ret)
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# FIXME: rename to something consistent with what the clients have - maybe list_updates?
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@action_decorator(detail=False, methods=['POST'])
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def fetch_updates(self, request, collection_uid=None, *args, **kwargs):
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queryset = self.get_queryset()
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serializer = CollectionItemBulkGetSerializer(data=request.data, many=True)
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serializer.is_valid(raise_exception=True)
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# FIXME: make configurable?
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item_limit = 200
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if len(serializer.validated_data) > item_limit:
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content = {'code': 'too_many_items',
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'detail': 'Request has too many items. Limit: {}'. format(item_limit)}
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return Response(content, status=status.HTTP_400_BAD_REQUEST)
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queryset, stoken_rev = self.filter_by_stoken(request, queryset)
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uids, etags = zip(*[(item['uid'], item.get('etag')) for item in serializer.validated_data])
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revs = CollectionItemRevision.objects.filter(uid__in=etags, current=True)
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queryset = queryset.filter(uid__in=uids).exclude(revisions__in=revs)
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new_stoken_obj = self.get_queryset_stoken(queryset)
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new_stoken = new_stoken_obj and new_stoken_obj.uid
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stoken = stoken_rev and getattr(stoken_rev, 'uid', None)
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new_stoken = new_stoken or stoken
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serializer = self.get_serializer(queryset, many=True)
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ret = {
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'data': serializer.data,
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'stoken': new_stoken,
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'done': True, # we always return all the items, so it's always done
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}
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return Response(ret)
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@action_decorator(detail=False, methods=['POST'])
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def batch(self, request, collection_uid=None, *args, **kwargs):
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return self.transaction(request, collection_uid, validate_etag=False)
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@action_decorator(detail=False, methods=['POST'])
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def transaction(self, request, collection_uid=None, validate_etag=True, *args, **kwargs):
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stoken = request.GET.get('stoken', None)
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with transaction.atomic(): # We need this for locking on the collection object
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collection_object = get_object_or_404(
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self.get_collection_queryset(Collection.objects).select_for_update(), # Lock writes on the collection
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main_item__uid=collection_uid)
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if stoken is not None and stoken != collection_object.stoken:
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content = {'code': 'stale_stoken', 'detail': 'Stoken is too old'}
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return Response(content, status=status.HTTP_409_CONFLICT)
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items = request.data.get('items')
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deps = request.data.get('deps', None)
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# FIXME: It should just be one serializer
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context = self.get_serializer_context()
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context.update({'validate_etag': validate_etag})
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serializer = self.get_serializer_class()(data=items, context=context, many=True)
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deps_serializer = CollectionItemDepSerializer(data=deps, context=context, many=True)
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ser_valid = serializer.is_valid()
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deps_ser_valid = (deps is None or deps_serializer.is_valid())
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if ser_valid and deps_ser_valid:
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items = serializer.save(collection=collection_object)
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ret = {
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}
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return Response(ret, status=status.HTTP_200_OK)
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return Response(
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{
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"items": serializer.errors,
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"deps": deps_serializer.errors if deps is not None else [],
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},
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status=status.HTTP_409_CONFLICT)
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class CollectionItemChunkViewSet(viewsets.ViewSet):
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allowed_methods = ['GET', 'PUT']
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authentication_classes = BaseViewSet.authentication_classes
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permission_classes = BaseViewSet.permission_classes
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renderer_classes = BaseViewSet.renderer_classes
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parser_classes = (ChunkUploadParser, )
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serializer_class = CollectionItemChunkSerializer
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lookup_field = 'uid'
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def get_serializer_class(self):
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return self.serializer_class
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def get_collection_queryset(self, queryset=Collection.objects):
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user = self.request.user
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return queryset.filter(members__user=user)
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def update(self, request, *args, collection_uid=None, collection_item_uid=None, uid=None, **kwargs):
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col = get_object_or_404(self.get_collection_queryset(), main_item__uid=collection_uid)
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# IGNORED FOR NOW: col_it = get_object_or_404(col.items, uid=collection_item_uid)
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data = {
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"uid": uid,
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"chunkFile": request.data["file"],
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}
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serializer = self.get_serializer_class()(data=data)
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serializer.is_valid(raise_exception=True)
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try:
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serializer.save(collection=col)
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except IntegrityError:
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return Response(
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{"code": "chunk_exists", "detail": "Chunk already exists."},
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status=status.HTTP_409_CONFLICT
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)
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return Response({}, status=status.HTTP_201_CREATED)
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@action_decorator(detail=True, methods=['GET'])
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def download(self, request, collection_uid=None, collection_item_uid=None, uid=None, *args, **kwargs):
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import os
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from django.views.static import serve
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col = get_object_or_404(self.get_collection_queryset(), main_item__uid=collection_uid)
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# IGNORED FOR NOW: col_it = get_object_or_404(col.items, uid=collection_item_uid)
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chunk = get_object_or_404(col.chunks, uid=uid)
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filename = chunk.chunkFile.path
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dirname = os.path.dirname(filename)
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basename = os.path.basename(filename)
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# FIXME: DO NOT USE! Use django-send file or etc instead.
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return serve(request, basename, dirname)
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class CollectionMemberViewSet(BaseViewSet):
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allowed_methods = ['GET', 'PUT', 'DELETE']
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our_base_permission_classes = BaseViewSet.permission_classes
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permission_classes = our_base_permission_classes + (permissions.IsCollectionAdmin, )
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queryset = CollectionMember.objects.all()
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serializer_class = CollectionMemberSerializer
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lookup_field = f'user__{User.USERNAME_FIELD}__iexact'
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lookup_url_kwarg = 'username'
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stoken_id_fields = ['stoken__id']
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# FIXME: need to make sure that there's always an admin, and maybe also don't let an owner remove adm access
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# (if we want to transfer, we need to do that specifically)
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def get_queryset(self, queryset=None):
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collection_uid = self.kwargs['collection_uid']
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try:
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collection = self.get_collection_queryset(Collection.objects).get(main_item__uid=collection_uid)
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except Collection.DoesNotExist:
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|
raise Http404('Collection does not exist')
|
|
|
|
if queryset is None:
|
|
queryset = type(self).queryset
|
|
|
|
return queryset.filter(collection=collection)
|
|
|
|
# We override this method because we expect the stoken to be called iterator
|
|
def get_stoken_obj_id(self, request):
|
|
return request.GET.get('iterator', None)
|
|
|
|
def list(self, request, collection_uid=None, *args, **kwargs):
|
|
queryset = self.get_queryset().order_by('id')
|
|
result, new_stoken_obj, done = self.filter_by_stoken_and_limit(request, queryset)
|
|
new_stoken = new_stoken_obj and new_stoken_obj.uid
|
|
serializer = self.get_serializer(result, many=True)
|
|
|
|
ret = {
|
|
'data': serializer.data,
|
|
'iterator': new_stoken, # Here we call it an iterator, it's only stoken for collection/items
|
|
'done': done,
|
|
}
|
|
|
|
return Response(ret)
|
|
|
|
def create(self, request, *args, **kwargs):
|
|
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
|
|
|
# FIXME: block leaving if we are the last admins - should be deleted / assigned in this case depending if there
|
|
# are other memebers.
|
|
def perform_destroy(self, instance):
|
|
instance.revoke()
|
|
|
|
@action_decorator(detail=False, methods=['POST'], permission_classes=our_base_permission_classes)
|
|
def leave(self, request, collection_uid=None, *args, **kwargs):
|
|
collection_uid = self.kwargs['collection_uid']
|
|
col = get_object_or_404(self.get_collection_queryset(Collection.objects), main_item__uid=collection_uid)
|
|
|
|
member = col.members.get(user=request.user)
|
|
self.perform_destroy(member)
|
|
|
|
return Response({})
|
|
|
|
|
|
class InvitationBaseViewSet(BaseViewSet):
|
|
queryset = CollectionInvitation.objects.all()
|
|
serializer_class = CollectionInvitationSerializer
|
|
lookup_field = 'uid'
|
|
lookup_url_kwarg = 'invitation_uid'
|
|
|
|
def list(self, request, collection_uid=None, *args, **kwargs):
|
|
limit = int(request.GET.get('limit', 50))
|
|
iterator = request.GET.get('iterator', None)
|
|
|
|
queryset = self.get_queryset().order_by('id')
|
|
|
|
if iterator is not None:
|
|
iterator = get_object_or_404(queryset, uid=iterator)
|
|
queryset = queryset.filter(id__gt=iterator.id)
|
|
|
|
result = list(queryset[:limit + 1])
|
|
if len(result) < limit + 1:
|
|
done = True
|
|
else:
|
|
done = False
|
|
result = result[:-1]
|
|
|
|
serializer = self.get_serializer(result, many=True)
|
|
|
|
iterator = serializer.data[-1]['uid'] if len(result) > 0 else None
|
|
|
|
ret = {
|
|
'data': serializer.data,
|
|
'iterator': iterator,
|
|
'done': done,
|
|
}
|
|
|
|
return Response(ret)
|
|
|
|
|
|
class InvitationOutgoingViewSet(InvitationBaseViewSet):
|
|
allowed_methods = ['GET', 'POST', 'PUT', 'DELETE']
|
|
|
|
def get_queryset(self, queryset=None):
|
|
if queryset is None:
|
|
queryset = type(self).queryset
|
|
|
|
return queryset.filter(fromMember__user=self.request.user)
|
|
|
|
def create(self, request, *args, **kwargs):
|
|
serializer = self.get_serializer(data=request.data)
|
|
serializer.is_valid(raise_exception=True)
|
|
collection_uid = serializer.validated_data.get('collection', {}).get('uid')
|
|
|
|
try:
|
|
collection = self.get_collection_queryset(Collection.objects).get(main_item__uid=collection_uid)
|
|
except Collection.DoesNotExist:
|
|
raise Http404('Collection does not exist')
|
|
|
|
if request.user == serializer.validated_data.get('user'):
|
|
content = {'code': 'self_invite', 'detail': 'Inviting yourself is invalid'}
|
|
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
if not permissions.is_collection_admin(collection, request.user):
|
|
raise PermissionDenied({'code': 'admin_access_required',
|
|
'detail': 'User is not an admin of this collection'})
|
|
|
|
serializer.save(collection=collection)
|
|
|
|
return Response({}, status=status.HTTP_201_CREATED)
|
|
|
|
@action_decorator(detail=False, allowed_methods=['GET'], methods=['GET'])
|
|
def fetch_user_profile(self, request, *args, **kwargs):
|
|
username = request.GET.get('username')
|
|
kwargs = {User.USERNAME_FIELD: username.lower()}
|
|
user = get_object_or_404(get_user_queryset(User.objects.all(), self), **kwargs)
|
|
user_info = get_object_or_404(UserInfo.objects.all(), owner=user)
|
|
serializer = UserInfoPubkeySerializer(user_info)
|
|
return Response(serializer.data)
|
|
|
|
|
|
class InvitationIncomingViewSet(InvitationBaseViewSet):
|
|
allowed_methods = ['GET', 'DELETE']
|
|
|
|
def get_queryset(self, queryset=None):
|
|
if queryset is None:
|
|
queryset = type(self).queryset
|
|
|
|
return queryset.filter(user=self.request.user)
|
|
|
|
@action_decorator(detail=True, allowed_methods=['POST'], methods=['POST'])
|
|
def accept(self, request, invitation_uid=None, *args, **kwargs):
|
|
invitation = get_object_or_404(self.get_queryset(), uid=invitation_uid)
|
|
context = self.get_serializer_context()
|
|
context.update({'invitation': invitation})
|
|
|
|
serializer = InvitationAcceptSerializer(data=request.data, context=context)
|
|
serializer.is_valid(raise_exception=True)
|
|
serializer.save()
|
|
return Response(status=status.HTTP_201_CREATED)
|
|
|
|
|
|
class AuthenticationViewSet(viewsets.ViewSet):
|
|
allowed_methods = ['POST']
|
|
authentication_classes = BaseViewSet.authentication_classes
|
|
renderer_classes = BaseViewSet.renderer_classes
|
|
parser_classes = BaseViewSet.parser_classes
|
|
|
|
def get_encryption_key(self, salt):
|
|
key = nacl.hash.blake2b(settings.SECRET_KEY.encode(), encoder=nacl.encoding.RawEncoder)
|
|
return nacl.hash.blake2b(b'', key=key, salt=salt[:nacl.hash.BLAKE2B_SALTBYTES], person=b'etebase-auth',
|
|
encoder=nacl.encoding.RawEncoder)
|
|
|
|
def get_queryset(self):
|
|
return get_user_queryset(User.objects.all(), self)
|
|
|
|
def get_serializer_context(self):
|
|
return {
|
|
'request': self.request,
|
|
'format': self.format_kwarg,
|
|
'view': self
|
|
}
|
|
|
|
def login_response_data(self, user):
|
|
return {
|
|
'token': AuthToken.objects.create(user=user).key,
|
|
'user': UserSerializer(user).data,
|
|
}
|
|
|
|
def list(self, request, *args, **kwargs):
|
|
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
|
|
|
@action_decorator(detail=False, methods=['POST'])
|
|
def signup(self, request, *args, **kwargs):
|
|
serializer = AuthenticationSignupSerializer(data=request.data, context=self.get_serializer_context())
|
|
serializer.is_valid(raise_exception=True)
|
|
user = serializer.save()
|
|
|
|
user_signed_up.send(sender=user.__class__, request=request, user=user)
|
|
|
|
data = self.login_response_data(user)
|
|
return Response(data, status=status.HTTP_201_CREATED)
|
|
|
|
def get_login_user(self, username):
|
|
kwargs = {User.USERNAME_FIELD + '__iexact': username.lower()}
|
|
try:
|
|
user = self.get_queryset().get(**kwargs)
|
|
if not hasattr(user, 'userinfo'):
|
|
raise AuthenticationFailed({'code': 'user_not_init', 'detail': 'User not properly init'})
|
|
return user
|
|
except User.DoesNotExist:
|
|
raise AuthenticationFailed({'code': 'user_not_found', 'detail': 'User not found'})
|
|
|
|
def validate_login_request(self, request, validated_data, response_raw, signature, expected_action):
|
|
from datetime import datetime
|
|
|
|
username = validated_data.get('username')
|
|
user = self.get_login_user(username)
|
|
host = validated_data['host']
|
|
challenge = validated_data['challenge']
|
|
action = validated_data['action']
|
|
|
|
salt = bytes(user.userinfo.salt)
|
|
enc_key = self.get_encryption_key(salt)
|
|
box = nacl.secret.SecretBox(enc_key)
|
|
|
|
challenge_data = msgpack_decode(box.decrypt(challenge))
|
|
now = int(datetime.now().timestamp())
|
|
if action != expected_action:
|
|
content = {'code': 'wrong_action', 'detail': 'Expected "{}" but got something else'.format(expected_action)}
|
|
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
|
elif now - challenge_data['timestamp'] > app_settings.CHALLENGE_VALID_SECONDS:
|
|
content = {'code': 'challenge_expired', 'detail': 'Login challange has expired'}
|
|
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
|
elif challenge_data['userId'] != user.id:
|
|
content = {'code': 'wrong_user', 'detail': 'This challenge is for the wrong user'}
|
|
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
|
elif not settings.DEBUG and host != request.get_host():
|
|
detail = 'Found wrong host name. Got: "{}" expected: "{}"'.format(host, request.get_host())
|
|
content = {'code': 'wrong_host', 'detail': detail}
|
|
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
verify_key = nacl.signing.VerifyKey(bytes(user.userinfo.loginPubkey), encoder=nacl.encoding.RawEncoder)
|
|
|
|
try:
|
|
verify_key.verify(response_raw, signature)
|
|
except nacl.exceptions.BadSignatureError:
|
|
return Response({'code': 'login_bad_signature', 'detail': 'Wrong password for user.'},
|
|
status=status.HTTP_401_UNAUTHORIZED)
|
|
|
|
return None
|
|
|
|
@action_decorator(detail=False, methods=['GET'])
|
|
def is_etebase(self, request, *args, **kwargs):
|
|
return Response({}, status=status.HTTP_200_OK)
|
|
|
|
@action_decorator(detail=False, methods=['POST'])
|
|
def login_challenge(self, request, *args, **kwargs):
|
|
from datetime import datetime
|
|
|
|
serializer = AuthenticationLoginChallengeSerializer(data=request.data)
|
|
serializer.is_valid(raise_exception=True)
|
|
username = serializer.validated_data.get('username')
|
|
user = self.get_login_user(username)
|
|
|
|
salt = bytes(user.userinfo.salt)
|
|
enc_key = self.get_encryption_key(salt)
|
|
box = nacl.secret.SecretBox(enc_key)
|
|
|
|
challenge_data = {
|
|
"timestamp": int(datetime.now().timestamp()),
|
|
"userId": user.id,
|
|
}
|
|
challenge = box.encrypt(msgpack_encode(challenge_data), encoder=nacl.encoding.RawEncoder)
|
|
|
|
ret = {
|
|
"salt": salt,
|
|
"challenge": challenge,
|
|
"version": user.userinfo.version,
|
|
}
|
|
return Response(ret, status=status.HTTP_200_OK)
|
|
|
|
@action_decorator(detail=False, methods=['POST'])
|
|
def login(self, request, *args, **kwargs):
|
|
outer_serializer = AuthenticationLoginSerializer(data=request.data)
|
|
outer_serializer.is_valid(raise_exception=True)
|
|
|
|
response_raw = outer_serializer.validated_data['response']
|
|
response = msgpack_decode(response_raw)
|
|
signature = outer_serializer.validated_data['signature']
|
|
|
|
context = {'host': request.get_host()}
|
|
serializer = AuthenticationLoginInnerSerializer(data=response, context=context)
|
|
serializer.is_valid(raise_exception=True)
|
|
|
|
bad_login_response = self.validate_login_request(
|
|
request, serializer.validated_data, response_raw, signature, "login")
|
|
if bad_login_response is not None:
|
|
return bad_login_response
|
|
|
|
username = serializer.validated_data.get('username')
|
|
user = self.get_login_user(username)
|
|
|
|
data = self.login_response_data(user)
|
|
|
|
user_logged_in.send(sender=user.__class__, request=request, user=user)
|
|
|
|
return Response(data, status=status.HTTP_200_OK)
|
|
|
|
@action_decorator(detail=False, methods=['POST'], permission_classes=[IsAuthenticated])
|
|
def logout(self, request, *args, **kwargs):
|
|
request.auth.delete()
|
|
user_logged_out.send(sender=request.user.__class__, request=request, user=request.user)
|
|
return Response(status=status.HTTP_204_NO_CONTENT)
|
|
|
|
@action_decorator(detail=False, methods=['POST'], permission_classes=BaseViewSet.permission_classes)
|
|
def change_password(self, request, *args, **kwargs):
|
|
outer_serializer = AuthenticationLoginSerializer(data=request.data)
|
|
outer_serializer.is_valid(raise_exception=True)
|
|
|
|
response_raw = outer_serializer.validated_data['response']
|
|
response = msgpack_decode(response_raw)
|
|
signature = outer_serializer.validated_data['signature']
|
|
|
|
context = {'host': request.get_host()}
|
|
serializer = AuthenticationChangePasswordInnerSerializer(request.user.userinfo, data=response, context=context)
|
|
serializer.is_valid(raise_exception=True)
|
|
|
|
bad_login_response = self.validate_login_request(
|
|
request, serializer.validated_data, response_raw, signature, "changePassword")
|
|
if bad_login_response is not None:
|
|
return bad_login_response
|
|
|
|
serializer.save()
|
|
|
|
return Response({}, status=status.HTTP_200_OK)
|
|
|
|
@action_decorator(detail=False, methods=['POST'], permission_classes=[IsAuthenticated])
|
|
def dashboard_url(self, request, *args, **kwargs):
|
|
get_dashboard_url = app_settings.DASHBOARD_URL_FUNC
|
|
if get_dashboard_url is None:
|
|
raise EtebaseValidationError('not_supported', 'This server doesn\'t have a user dashboard.',
|
|
status_code=status.HTTP_400_BAD_REQUEST)
|
|
|
|
ret = {
|
|
'url': get_dashboard_url(request, *args, **kwargs),
|
|
}
|
|
return Response(ret)
|
|
|
|
|
|
class TestAuthenticationViewSet(viewsets.ViewSet):
|
|
allowed_methods = ['POST']
|
|
renderer_classes = BaseViewSet.renderer_classes
|
|
parser_classes = BaseViewSet.parser_classes
|
|
|
|
def get_serializer_context(self):
|
|
return {
|
|
'request': self.request,
|
|
'format': self.format_kwarg,
|
|
'view': self
|
|
}
|
|
|
|
def list(self, request, *args, **kwargs):
|
|
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
|
|
|
@action_decorator(detail=False, methods=['POST'])
|
|
def reset(self, request, *args, **kwargs):
|
|
# Only run when in DEBUG mode! It's only used for tests
|
|
if not settings.DEBUG:
|
|
return HttpResponseBadRequest("Only allowed in debug mode.")
|
|
|
|
with transaction.atomic():
|
|
user_queryset = get_user_queryset(User.objects.all(), self)
|
|
user = get_object_or_404(user_queryset, username=request.data.get('user').get('username'))
|
|
|
|
# Only allow test users for extra safety
|
|
if not getattr(user, User.USERNAME_FIELD).startswith('test_user'):
|
|
return HttpResponseBadRequest("Endpoint not allowed for user.")
|
|
|
|
if hasattr(user, 'userinfo'):
|
|
user.userinfo.delete()
|
|
|
|
serializer = AuthenticationSignupSerializer(data=request.data, context=self.get_serializer_context())
|
|
serializer.is_valid(raise_exception=True)
|
|
serializer.save()
|
|
|
|
# Delete all of the journal data for this user for a clear test env
|
|
user.collection_set.all().delete()
|
|
user.incoming_invitations.all().delete()
|
|
|
|
# FIXME: also delete chunk files!!!
|
|
|
|
return HttpResponse()
|