mirror of
https://github.com/etesync/server
synced 2024-12-28 18:28:07 +00:00
238 lines
9.4 KiB
Python
238 lines
9.4 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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from django.conf import settings
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from django.contrib.auth import get_user_model
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from django.db import IntegrityError
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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 import parsers
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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 . import app_settings, paginators
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from .models import Collection, CollectionItem
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from .serializers import (
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CollectionSerializer,
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CollectionItemSerializer,
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CollectionItemRevisionSerializer,
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CollectionItemChunkSerializer
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)
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User = get_user_model()
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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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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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class CollectionViewSet(BaseViewSet):
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allowed_methods = ['GET', 'POST', 'DELETE']
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permission_classes = BaseViewSet.permission_classes
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queryset = Collection.objects.all()
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serializer_class = CollectionSerializer
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lookup_field = 'uid'
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def get_queryset(self):
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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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inline = self.request.method == 'GET' and 'inline' in self.request.query_params
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context.update({'request': self.request, 'inline': inline})
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return context
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def destroy(self, request, uid=None):
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# FIXME: implement
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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.serializer_class(data=request.data, context=self.get_serializer_context())
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if serializer.is_valid():
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try:
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serializer.save(owner=self.request.user)
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except IntegrityError:
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content = {'code': 'integrity_error'}
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return Response(content, status=status.HTTP_400_BAD_REQUEST)
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return Response({}, status=status.HTTP_201_CREATED)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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def list(self, request):
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queryset = self.get_queryset()
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serializer = self.serializer_class(queryset, context=self.get_serializer_context(), many=True)
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return Response(serializer.data)
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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
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queryset = CollectionItem.objects.all()
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serializer_class = CollectionItemSerializer
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pagination_class = paginators.LinkHeaderPagination
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lookup_field = 'uid'
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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(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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revisions__deleted=False)
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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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inline = self.request.method == 'GET' and 'inline' in self.request.query_params
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context.update({'request': self.request, 'inline': inline})
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return context
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def create(self, request, collection_uid=None):
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collection_object = get_object_or_404(self.get_collection_queryset(Collection.objects), uid=collection_uid)
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# FIXME: change this to also support bulk update, or have another endpoint for that.
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# See https://www.django-rest-framework.org/api-guide/serializers/#customizing-multiple-update
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many = isinstance(request.data, list)
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serializer = self.serializer_class(data=request.data, many=many)
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if serializer.is_valid():
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try:
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serializer.save(collection=collection_object)
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except IntegrityError:
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content = {'code': 'integrity_error'}
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return Response(content, status=status.HTTP_400_BAD_REQUEST)
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return Response({}, status=status.HTTP_201_CREATED)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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def destroy(self, request, collection_uid=None, uid=None):
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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 partial_update(self, request, collection_uid=None, uid=None):
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# FIXME: implement, or should it be implemented elsewhere?
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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@action_decorator(detail=True, methods=['GET'])
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def revision(self, request, collection_uid=None, uid=None):
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col = get_object_or_404(self.get_collection_queryset(Collection.objects), uid=collection_uid)
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col_it = get_object_or_404(col.items, uid=uid)
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serializer = CollectionItemRevisionSerializer(col_it.revisions.order_by('-id'), many=True)
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return Response(serializer.data)
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@action_decorator(detail=False, methods=['POST'])
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def bulk_get(self, request, collection_uid=None):
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queryset = self.get_queryset()
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if isinstance(request.data, list):
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queryset = queryset.filter(uid__in=request.data)
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serializer = self.get_serializer_class()(queryset, many=True)
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return Response(serializer.data, status=status.HTTP_200_OK)
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class CollectionItemChunkViewSet(viewsets.ViewSet):
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allowed_methods = ['GET', 'POST']
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parser_classes = (parsers.MultiPartParser, )
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authentication_classes = BaseViewSet.authentication_classes
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permission_classes = BaseViewSet.permission_classes
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serializer_class = CollectionItemChunkSerializer
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lookup_field = 'uid'
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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 create(self, request, collection_uid=None, collection_item_uid=None):
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col = get_object_or_404(self.get_collection_queryset(), uid=collection_uid)
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col_it = get_object_or_404(col.items, uid=collection_item_uid)
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serializer = self.serializer_class(data=request.data)
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if serializer.is_valid():
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try:
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# FIXME: actually generate the correct order value. Or alternatively have it null at first and only
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# set it when ommitting to a snapshot
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serializer.save(item=col_it, order='abc')
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except IntegrityError:
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content = {'code': 'integrity_error'}
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return Response(content, status=status.HTTP_400_BAD_REQUEST)
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return Response({}, status=status.HTTP_201_CREATED)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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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):
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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(), uid=collection_uid)
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col_it = get_object_or_404(col.items, uid=collection_item_uid)
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chunk = get_object_or_404(col_it.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 ResetViewSet(BaseViewSet):
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allowed_methods = ['POST']
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def post(self, request, *args, **kwargs):
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# Only run when in DEBUG mode! It's only used for tests
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if not settings.DEBUG:
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return HttpResponseBadRequest("Only allowed in debug mode.")
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# Only allow local users, for extra safety
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if not getattr(request.user, User.USERNAME_FIELD).endswith('@localhost'):
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return HttpResponseBadRequest("Endpoint not allowed for user.")
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# Delete all of the journal data for this user for a clear test env
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request.user.collection_set.all().delete()
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# FIXME: also delete chunk files!!!
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return HttpResponse()
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reset = ResetViewSet.as_view({'post': 'post'})
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