mirror of https://github.com/etesync/server
Tom Hacohen
3 years ago
parent
0fa2f2da3b
commit
4ceb42780e
@ -1,3 +0,0 @@
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from django.contrib import admin
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# Register your models here.
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@ -1,5 +0,0 @@
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from django.apps import AppConfig
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class DrfMsgpackConfig(AppConfig):
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name = "drf_msgpack"
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@ -1,14 +0,0 @@
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import msgpack
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from rest_framework.parsers import BaseParser
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from rest_framework.exceptions import ParseError
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class MessagePackParser(BaseParser):
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media_type = "application/msgpack"
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def parse(self, stream, media_type=None, parser_context=None):
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try:
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return msgpack.unpackb(stream.read(), raw=False)
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except Exception as exc:
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raise ParseError("MessagePack parse error - %s" % str(exc))
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@ -1,15 +0,0 @@
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import msgpack
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from rest_framework.renderers import BaseRenderer
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class MessagePackRenderer(BaseRenderer):
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media_type = "application/msgpack"
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format = "msgpack"
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render_style = "binary"
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charset = None
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def render(self, data, media_type=None, renderer_context=None):
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if data is None:
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return b""
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return msgpack.packb(data, use_bin_type=True)
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@ -1,3 +0,0 @@
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from django.shortcuts import render
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# Create your views here.
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@ -1,12 +0,0 @@
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from rest_framework import serializers, status
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class EtebaseValidationError(serializers.ValidationError):
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def __init__(self, code, detail, status_code=status.HTTP_400_BAD_REQUEST):
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super().__init__(
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{
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"code": code,
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"detail": detail,
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}
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)
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self.status_code = status_code
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@ -1,14 +0,0 @@
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from rest_framework.parsers import FileUploadParser
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class ChunkUploadParser(FileUploadParser):
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"""
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Parser for chunk upload data.
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"""
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def get_filename(self, stream, media_type, parser_context):
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"""
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Detects the uploaded file name.
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"""
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view = parser_context["view"]
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return parser_context["kwargs"][view.lookup_field]
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@ -1,93 +0,0 @@
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# 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 rest_framework import permissions
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from django_etebase.models import Collection, AccessLevels
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def is_collection_admin(collection, user):
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member = collection.members.filter(user=user).first()
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return (member is not None) and (member.accessLevel == AccessLevels.ADMIN)
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class IsCollectionAdmin(permissions.BasePermission):
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"""
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Custom permission to only allow owners of a collection to view it
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"""
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message = {
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"detail": "Only collection admins can perform this operation.",
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"code": "admin_access_required",
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}
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def has_permission(self, request, view):
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collection_uid = view.kwargs["collection_uid"]
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try:
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collection = view.get_collection_queryset().get(main_item__uid=collection_uid)
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return is_collection_admin(collection, request.user)
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except Collection.DoesNotExist:
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# If the collection does not exist, we want to 404 later, not permission denied.
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return True
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class IsCollectionAdminOrReadOnly(permissions.BasePermission):
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"""
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Custom permission to only allow owners of a collection to edit it
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"""
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message = {
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"detail": "Only collection admins can edit collections.",
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"code": "admin_access_required",
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}
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def has_permission(self, request, view):
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collection_uid = view.kwargs.get("collection_uid", None)
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# Allow creating new collections
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if collection_uid is None:
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return True
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try:
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collection = view.get_collection_queryset().get(main_item__uid=collection_uid)
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if request.method in permissions.SAFE_METHODS:
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return True
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return is_collection_admin(collection, request.user)
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except Collection.DoesNotExist:
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# If the collection does not exist, we want to 404 later, not permission denied.
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return True
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class HasWriteAccessOrReadOnly(permissions.BasePermission):
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"""
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Custom permission to restrict write
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"""
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message = {
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"detail": "You need write access to write to this collection",
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"code": "no_write_access",
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}
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def has_permission(self, request, view):
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collection_uid = view.kwargs["collection_uid"]
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try:
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collection = view.get_collection_queryset().get(main_item__uid=collection_uid)
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if request.method in permissions.SAFE_METHODS:
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return True
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else:
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member = collection.members.get(user=request.user)
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return member.accessLevel != AccessLevels.READ_ONLY
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except Collection.DoesNotExist:
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# If the collection does not exist, we want to 404 later, not permission denied.
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return True
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@ -1,19 +0,0 @@
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from rest_framework.utils.encoders import JSONEncoder as DRFJSONEncoder
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from rest_framework.renderers import JSONRenderer as DRFJSONRenderer
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from .serializers import b64encode
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class JSONEncoder(DRFJSONEncoder):
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def default(self, obj):
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if isinstance(obj, bytes) or isinstance(obj, memoryview):
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return b64encode(obj)
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return super().default(obj)
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class JSONRenderer(DRFJSONRenderer):
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"""
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Renderer which serializes to JSON with support for our base64
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"""
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encoder_class = JSONEncoder
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@ -1,598 +0,0 @@
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# 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 base64
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from django.core.files.base import ContentFile
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from django.core import exceptions as django_exceptions
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from django.contrib.auth import get_user_model
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from django.db import IntegrityError, transaction
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from rest_framework import serializers, status
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from . import models
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from .utils import get_user_queryset, create_user, CallbackContext
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from .exceptions import EtebaseValidationError
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User = get_user_model()
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def process_revisions_for_item(item, revision_data):
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chunks_objs = []
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chunks = revision_data.pop("chunks_relation")
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revision = models.CollectionItemRevision(**revision_data, item=item)
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revision.validate_unique() # Verify there aren't any validation issues
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for chunk in chunks:
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uid = chunk[0]
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chunk_obj = models.CollectionItemChunk.objects.filter(uid=uid).first()
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content = chunk[1] if len(chunk) > 1 else None
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# If the chunk already exists we assume it's fine. Otherwise, we upload it.
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if chunk_obj is None:
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if content is not None:
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chunk_obj = models.CollectionItemChunk(uid=uid, collection=item.collection)
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chunk_obj.chunkFile.save("IGNORED", ContentFile(content))
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chunk_obj.save()
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else:
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raise EtebaseValidationError("chunk_no_content", "Tried to create a new chunk without content")
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chunks_objs.append(chunk_obj)
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stoken = models.Stoken.objects.create()
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revision.stoken = stoken
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revision.save()
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for chunk in chunks_objs:
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models.RevisionChunkRelation.objects.create(chunk=chunk, revision=revision)
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return revision
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def b64encode(value):
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return base64.urlsafe_b64encode(value).decode("ascii").strip("=")
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def b64decode(data):
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data += "=" * ((4 - len(data) % 4) % 4)
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return base64.urlsafe_b64decode(data)
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def b64decode_or_bytes(data):
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if isinstance(data, bytes):
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return data
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else:
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return b64decode(data)
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class BinaryBase64Field(serializers.Field):
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def to_representation(self, value):
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return value
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def to_internal_value(self, data):
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return b64decode_or_bytes(data)
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class CollectionEncryptionKeyField(BinaryBase64Field):
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def get_attribute(self, instance):
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request = self.context.get("request", None)
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if request is not None:
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return instance.members.get(user=request.user).encryptionKey
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return None
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class CollectionTypeField(BinaryBase64Field):
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def get_attribute(self, instance):
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request = self.context.get("request", None)
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if request is not None:
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collection_type = instance.members.get(user=request.user).collectionType
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return collection_type and collection_type.uid
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return None
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class UserSlugRelatedField(serializers.SlugRelatedField):
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def get_queryset(self):
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view = self.context.get("view", None)
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return get_user_queryset(super().get_queryset(), context=CallbackContext(view.kwargs))
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def __init__(self, **kwargs):
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super().__init__(slug_field=User.USERNAME_FIELD, **kwargs)
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def to_internal_value(self, data):
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return super().to_internal_value(data.lower())
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class ChunksField(serializers.RelatedField):
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def to_representation(self, obj):
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obj = obj.chunk
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if self.context.get("prefetch") == "auto":
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with open(obj.chunkFile.path, "rb") as f:
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return (obj.uid, f.read())
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else:
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return (obj.uid,)
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def to_internal_value(self, data):
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content = data[1] if len(data) > 1 else None
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if data[0] is None:
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raise EtebaseValidationError("no_null", "null is not allowed")
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return (data[0], b64decode_or_bytes(content) if content is not None else None)
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class BetterErrorsMixin:
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@property
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def errors(self):
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nice = []
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errors = super().errors
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for error_type in errors:
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if error_type == "non_field_errors":
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nice.extend(self.flatten_errors(None, errors[error_type]))
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else:
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nice.extend(self.flatten_errors(error_type, errors[error_type]))
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if nice:
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return {"code": "field_errors", "detail": "Field validations failed.", "errors": nice}
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return {}
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def flatten_errors(self, field_name, errors):
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ret = []
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if isinstance(errors, dict):
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for error_key in errors:
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error = errors[error_key]
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ret.extend(self.flatten_errors("{}.{}".format(field_name, error_key), error))
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else:
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for error in errors:
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if getattr(error, "messages", None):
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message = error.messages[0]
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else:
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message = str(error)
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ret.append(
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{
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"field": field_name,
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"code": error.code,
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"detail": message,
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}
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)
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return ret
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def transform_validation_error(self, prefix, err):
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if hasattr(err, "error_dict"):
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errors = self.flatten_errors(prefix, err.error_dict)
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elif not hasattr(err, "message"):
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errors = self.flatten_errors(prefix, err.error_list)
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else:
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raise EtebaseValidationError(err.code, err.message)
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raise serializers.ValidationError(
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{
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"code": "field_errors",
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"detail": "Field validations failed.",
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"errors": errors,
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}
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)
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class CollectionItemChunkSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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class Meta:
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model = models.CollectionItemChunk
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fields = ("uid", "chunkFile")
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class CollectionItemRevisionSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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chunks = ChunksField(
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source="chunks_relation",
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queryset=models.RevisionChunkRelation.objects.all(),
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style={"base_template": "input.html"},
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many=True,
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)
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meta = BinaryBase64Field()
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class Meta:
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model = models.CollectionItemRevision
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fields = ("chunks", "meta", "uid", "deleted")
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extra_kwargs = {
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"uid": {"validators": []}, # We deal with it in the serializers
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}
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class CollectionItemSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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encryptionKey = BinaryBase64Field(required=False, default=None, allow_null=True)
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etag = serializers.CharField(allow_null=True, write_only=True)
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content = CollectionItemRevisionSerializer(many=False)
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class Meta:
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model = models.CollectionItem
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fields = ("uid", "version", "encryptionKey", "content", "etag")
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def create(self, validated_data):
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"""Function that's called when this serializer creates an item"""
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validate_etag = self.context.get("validate_etag", False)
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etag = validated_data.pop("etag")
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revision_data = validated_data.pop("content")
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uid = validated_data.pop("uid")
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Model = self.__class__.Meta.model
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with transaction.atomic():
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instance, created = Model.objects.get_or_create(uid=uid, defaults=validated_data)
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cur_etag = instance.etag if not created else None
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# If we are trying to update an up to date item, abort early and consider it a success
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if cur_etag == revision_data.get("uid"):
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return instance
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if validate_etag and cur_etag != etag:
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raise EtebaseValidationError(
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"wrong_etag",
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"Wrong etag. Expected {} got {}".format(cur_etag, etag),
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status_code=status.HTTP_409_CONFLICT,
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)
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if not created:
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# We don't have to use select_for_update here because the unique constraint on current guards against
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# the race condition. But it's a good idea because it'll lock and wait rather than fail.
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current_revision = instance.revisions.filter(current=True).select_for_update().first()
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# If we are just re-uploading the same revision, consider it a succes and return.
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if current_revision.uid == revision_data.get("uid"):
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return instance
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current_revision.current = None
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current_revision.save()
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try:
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process_revisions_for_item(instance, revision_data)
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except django_exceptions.ValidationError as e:
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self.transform_validation_error("content", e)
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return instance
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def update(self, instance, validated_data):
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# We never update, we always update in the create method
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raise NotImplementedError()
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class CollectionItemDepSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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etag = serializers.CharField()
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class Meta:
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model = models.CollectionItem
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fields = ("uid", "etag")
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def validate(self, data):
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item = self.__class__.Meta.model.objects.get(uid=data["uid"])
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etag = data["etag"]
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if item.etag != etag:
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raise EtebaseValidationError(
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"wrong_etag",
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"Wrong etag. Expected {} got {}".format(item.etag, etag),
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status_code=status.HTTP_409_CONFLICT,
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)
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return data
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class CollectionItemBulkGetSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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etag = serializers.CharField(required=False)
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class Meta:
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model = models.CollectionItem
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fields = ("uid", "etag")
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class CollectionListMultiSerializer(BetterErrorsMixin, serializers.Serializer):
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collectionTypes = serializers.ListField(child=BinaryBase64Field())
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class CollectionSerializer(BetterErrorsMixin, serializers.ModelSerializer):
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collectionKey = CollectionEncryptionKeyField()
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collectionType = CollectionTypeField()
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accessLevel = serializers.SerializerMethodField("get_access_level_from_context")
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stoken = serializers.CharField(read_only=True)
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item = CollectionItemSerializer(many=False, source="main_item")
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class Meta:
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model = models.Collection
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fields = ("item", "accessLevel", "collectionKey", "collectionType", "stoken")
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def get_access_level_from_context(self, obj):
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request = self.context.get("request", None)
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if request is not None:
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return obj.members.get(user=request.user).accessLevel
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return None
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def create(self, validated_data):
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"""Function that's called when this serializer creates an item"""
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collection_key = validated_data.pop("collectionKey")
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collection_type = validated_data.pop("collectionType")
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user = validated_data.get("owner")
|
||||
main_item_data = validated_data.pop("main_item")
|
||||
uid = main_item_data.get("uid")
|
||||
etag = main_item_data.pop("etag")
|
||||
revision_data = main_item_data.pop("content")
|
||||
|
||||
instance = self.__class__.Meta.model(uid=uid, **validated_data)
|
||||
|
||||
with transaction.atomic():
|
||||
if etag is not None:
|
||||
raise EtebaseValidationError("bad_etag", "etag is not null")
|
||||
|
||||
try:
|
||||
instance.validate_unique()
|
||||
except django_exceptions.ValidationError:
|
||||
raise EtebaseValidationError(
|
||||
"unique_uid", "Collection with this uid already exists", status_code=status.HTTP_409_CONFLICT
|
||||
)
|
||||
instance.save()
|
||||
|
||||
main_item = models.CollectionItem.objects.create(**main_item_data, collection=instance)
|
||||
|
||||
instance.main_item = main_item
|
||||
instance.save()
|
||||
|
||||
process_revisions_for_item(main_item, revision_data)
|
||||
|
||||
collection_type_obj, _ = models.CollectionType.objects.get_or_create(uid=collection_type, owner=user)
|
||||
|
||||
models.CollectionMember(
|
||||
collection=instance,
|
||||
stoken=models.Stoken.objects.create(),
|
||||
user=user,
|
||||
accessLevel=models.AccessLevels.ADMIN,
|
||||
encryptionKey=collection_key,
|
||||
collectionType=collection_type_obj,
|
||||
).save()
|
||||
|
||||
return instance
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class CollectionMemberSerializer(BetterErrorsMixin, serializers.ModelSerializer):
|
||||
username = UserSlugRelatedField(
|
||||
source="user",
|
||||
read_only=True,
|
||||
style={"base_template": "input.html"},
|
||||
)
|
||||
|
||||
class Meta:
|
||||
model = models.CollectionMember
|
||||
fields = ("username", "accessLevel")
|
||||
|
||||
def create(self, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
with transaction.atomic():
|
||||
# We only allow updating accessLevel
|
||||
access_level = validated_data.pop("accessLevel")
|
||||
if instance.accessLevel != access_level:
|
||||
instance.stoken = models.Stoken.objects.create()
|
||||
instance.accessLevel = access_level
|
||||
instance.save()
|
||||
|
||||
return instance
|
||||
|
||||
|
||||
class CollectionInvitationSerializer(BetterErrorsMixin, serializers.ModelSerializer):
|
||||
username = UserSlugRelatedField(
|
||||
source="user",
|
||||
queryset=User.objects,
|
||||
style={"base_template": "input.html"},
|
||||
)
|
||||
collection = serializers.CharField(source="collection.uid")
|
||||
fromUsername = serializers.CharField(source="fromMember.user.username", read_only=True)
|
||||
fromPubkey = BinaryBase64Field(source="fromMember.user.userinfo.pubkey", read_only=True)
|
||||
signedEncryptionKey = BinaryBase64Field()
|
||||
|
||||
class Meta:
|
||||
model = models.CollectionInvitation
|
||||
fields = (
|
||||
"username",
|
||||
"uid",
|
||||
"collection",
|
||||
"signedEncryptionKey",
|
||||
"accessLevel",
|
||||
"fromUsername",
|
||||
"fromPubkey",
|
||||
"version",
|
||||
)
|
||||
|
||||
def validate_user(self, value):
|
||||
request = self.context["request"]
|
||||
|
||||
if request.user.username == value.lower():
|
||||
raise EtebaseValidationError("no_self_invite", "Inviting yourself is not allowed")
|
||||
return value
|
||||
|
||||
def create(self, validated_data):
|
||||
request = self.context["request"]
|
||||
collection = validated_data.pop("collection")
|
||||
|
||||
member = collection.members.get(user=request.user)
|
||||
|
||||
with transaction.atomic():
|
||||
try:
|
||||
return type(self).Meta.model.objects.create(**validated_data, fromMember=member)
|
||||
except IntegrityError:
|
||||
raise EtebaseValidationError("invitation_exists", "Invitation already exists")
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
with transaction.atomic():
|
||||
instance.accessLevel = validated_data.pop("accessLevel")
|
||||
instance.signedEncryptionKey = validated_data.pop("signedEncryptionKey")
|
||||
instance.save()
|
||||
|
||||
return instance
|
||||
|
||||
|
||||
class InvitationAcceptSerializer(BetterErrorsMixin, serializers.Serializer):
|
||||
collectionType = BinaryBase64Field()
|
||||
encryptionKey = BinaryBase64Field()
|
||||
|
||||
def create(self, validated_data):
|
||||
|
||||
with transaction.atomic():
|
||||
invitation = self.context["invitation"]
|
||||
encryption_key = validated_data.get("encryptionKey")
|
||||
collection_type = validated_data.pop("collectionType")
|
||||
|
||||
user = invitation.user
|
||||
collection_type_obj, _ = models.CollectionType.objects.get_or_create(uid=collection_type, owner=user)
|
||||
|
||||
member = models.CollectionMember.objects.create(
|
||||
collection=invitation.collection,
|
||||
stoken=models.Stoken.objects.create(),
|
||||
user=user,
|
||||
accessLevel=invitation.accessLevel,
|
||||
encryptionKey=encryption_key,
|
||||
collectionType=collection_type_obj,
|
||||
)
|
||||
|
||||
models.CollectionMemberRemoved.objects.filter(
|
||||
user=invitation.user, collection=invitation.collection
|
||||
).delete()
|
||||
|
||||
invitation.delete()
|
||||
|
||||
return member
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class UserSerializer(BetterErrorsMixin, serializers.ModelSerializer):
|
||||
pubkey = BinaryBase64Field(source="userinfo.pubkey")
|
||||
encryptedContent = BinaryBase64Field(source="userinfo.encryptedContent")
|
||||
|
||||
class Meta:
|
||||
model = User
|
||||
fields = (User.USERNAME_FIELD, User.EMAIL_FIELD, "pubkey", "encryptedContent")
|
||||
|
||||
|
||||
class UserInfoPubkeySerializer(BetterErrorsMixin, serializers.ModelSerializer):
|
||||
pubkey = BinaryBase64Field()
|
||||
|
||||
class Meta:
|
||||
model = models.UserInfo
|
||||
fields = ("pubkey",)
|
||||
|
||||
|
||||
class UserSignupSerializer(BetterErrorsMixin, serializers.ModelSerializer):
|
||||
class Meta:
|
||||
model = User
|
||||
fields = (User.USERNAME_FIELD, User.EMAIL_FIELD)
|
||||
extra_kwargs = {
|
||||
"username": {"validators": []}, # We specifically validate in SignupSerializer
|
||||
}
|
||||
|
||||
|
||||
class AuthenticationSignupSerializer(BetterErrorsMixin, serializers.Serializer):
|
||||
"""Used both for creating new accounts and setting up existing ones for the first time.
|
||||
When setting up existing ones the email is ignored."
|
||||
"""
|
||||
|
||||
user = UserSignupSerializer(many=False)
|
||||
salt = BinaryBase64Field()
|
||||
loginPubkey = BinaryBase64Field()
|
||||
pubkey = BinaryBase64Field()
|
||||
encryptedContent = BinaryBase64Field()
|
||||
|
||||
def create(self, validated_data):
|
||||
"""Function that's called when this serializer creates an item"""
|
||||
user_data = validated_data.pop("user")
|
||||
|
||||
with transaction.atomic():
|
||||
view = self.context.get("view", None)
|
||||
try:
|
||||
user_queryset = get_user_queryset(User.objects.all(), context=CallbackContext(view.kwargs))
|
||||
instance = user_queryset.get(**{User.USERNAME_FIELD: user_data["username"].lower()})
|
||||
except User.DoesNotExist:
|
||||
# Create the user and save the casing the user chose as the first name
|
||||
try:
|
||||
instance = create_user(
|
||||
**user_data,
|
||||
password=None,
|
||||
first_name=user_data["username"],
|
||||
context=CallbackContext(view.kwargs)
|
||||
)
|
||||
instance.full_clean()
|
||||
except EtebaseValidationError as e:
|
||||
raise e
|
||||
except django_exceptions.ValidationError as e:
|
||||
self.transform_validation_error("user", e)
|
||||
except Exception as e:
|
||||
raise EtebaseValidationError("generic", str(e))
|
||||
|
||||
if hasattr(instance, "userinfo"):
|
||||
raise EtebaseValidationError("user_exists", "User already exists", status_code=status.HTTP_409_CONFLICT)
|
||||
|
||||
models.UserInfo.objects.create(**validated_data, owner=instance)
|
||||
|
||||
return instance
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class AuthenticationLoginChallengeSerializer(BetterErrorsMixin, serializers.Serializer):
|
||||
username = serializers.CharField(required=True)
|
||||
|
||||
def create(self, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class AuthenticationLoginSerializer(BetterErrorsMixin, serializers.Serializer):
|
||||
response = BinaryBase64Field()
|
||||
signature = BinaryBase64Field()
|
||||
|
||||
def create(self, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class AuthenticationLoginInnerSerializer(AuthenticationLoginChallengeSerializer):
|
||||
challenge = BinaryBase64Field()
|
||||
host = serializers.CharField()
|
||||
action = serializers.CharField()
|
||||
|
||||
def create(self, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
class AuthenticationChangePasswordInnerSerializer(AuthenticationLoginInnerSerializer):
|
||||
loginPubkey = BinaryBase64Field()
|
||||
encryptedContent = BinaryBase64Field()
|
||||
|
||||
class Meta:
|
||||
model = models.UserInfo
|
||||
fields = ("loginPubkey", "encryptedContent")
|
||||
|
||||
def create(self, validated_data):
|
||||
raise NotImplementedError()
|
||||
|
||||
def update(self, instance, validated_data):
|
||||
with transaction.atomic():
|
||||
instance.loginPubkey = validated_data.pop("loginPubkey")
|
||||
instance.encryptedContent = validated_data.pop("encryptedContent")
|
||||
instance.save()
|
||||
|
||||
return instance
|
||||
@ -1,3 +0,0 @@
|
||||
from django.test import TestCase
|
||||
|
||||
# Create your tests here.
|
||||
@ -1,46 +0,0 @@
|
||||
from django.utils import timezone
|
||||
from django.utils.translation import gettext_lazy as _
|
||||
|
||||
from rest_framework import exceptions
|
||||
from rest_framework.authentication import TokenAuthentication as DRFTokenAuthentication
|
||||
|
||||
from .models import AuthToken, get_default_expiry
|
||||
|
||||
|
||||
AUTO_REFRESH = True
|
||||
MIN_REFRESH_INTERVAL = 60
|
||||
|
||||
|
||||
class TokenAuthentication(DRFTokenAuthentication):
|
||||
keyword = "Token"
|
||||
model = AuthToken
|
||||
|
||||
def authenticate_credentials(self, key):
|
||||
msg = _("Invalid token.")
|
||||
model = self.get_model()
|
||||
try:
|
||||
token = model.objects.select_related("user").get(key=key)
|
||||
except model.DoesNotExist:
|
||||
raise exceptions.AuthenticationFailed(msg)
|
||||
|
||||
if not token.user.is_active:
|
||||
raise exceptions.AuthenticationFailed(_("User inactive or deleted."))
|
||||
|
||||
if token.expiry is not None:
|
||||
if token.expiry < timezone.now():
|
||||
token.delete()
|
||||
raise exceptions.AuthenticationFailed(msg)
|
||||
|
||||
if AUTO_REFRESH:
|
||||
self.renew_token(token)
|
||||
|
||||
return (token.user, token)
|
||||
|
||||
def renew_token(self, auth_token):
|
||||
current_expiry = auth_token.expiry
|
||||
new_expiry = get_default_expiry()
|
||||
# Throttle refreshing of token to avoid db writes
|
||||
delta = (new_expiry - current_expiry).total_seconds()
|
||||
if delta > MIN_REFRESH_INTERVAL:
|
||||
auth_token.expiry = new_expiry
|
||||
auth_token.save(update_fields=("expiry",))
|
||||
@ -1,30 +0,0 @@
|
||||
from django.conf import settings
|
||||
from django.conf.urls import include
|
||||
from django.urls import path
|
||||
|
||||
from rest_framework_nested import routers
|
||||
|
||||
from django_etebase import views
|
||||
|
||||
router = routers.DefaultRouter()
|
||||
router.register(r"collection", views.CollectionViewSet)
|
||||
router.register(r"authentication", views.AuthenticationViewSet, basename="authentication")
|
||||
router.register(r"invitation/incoming", views.InvitationIncomingViewSet, basename="invitation_incoming")
|
||||
router.register(r"invitation/outgoing", views.InvitationOutgoingViewSet, basename="invitation_outgoing")
|
||||
|
||||
collections_router = routers.NestedSimpleRouter(router, r"collection", lookup="collection")
|
||||
collections_router.register(r"item", views.CollectionItemViewSet, basename="collection_item")
|
||||
collections_router.register(r"member", views.CollectionMemberViewSet, basename="collection_member")
|
||||
|
||||
item_router = routers.NestedSimpleRouter(collections_router, r"item", lookup="collection_item")
|
||||
item_router.register(r"chunk", views.CollectionItemChunkViewSet, basename="collection_items_chunk")
|
||||
|
||||
if settings.DEBUG:
|
||||
router.register(r"test/authentication", views.TestAuthenticationViewSet, basename="test_authentication")
|
||||
|
||||
app_name = "django_etebase"
|
||||
urlpatterns = [
|
||||
path("v1/", include(router.urls)),
|
||||
path("v1/", include(collections_router.urls)),
|
||||
path("v1/", include(item_router.urls)),
|
||||
]
|
||||
@ -1,861 +0,0 @@
|
||||
# Copyright © 2017 Tom Hacohen
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Affero General Public License as
|
||||
# published by the Free Software Foundation, version 3.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import msgpack
|
||||
|
||||
from django.conf import settings
|
||||
from django.contrib.auth import get_user_model, user_logged_in, user_logged_out
|
||||
from django.core.exceptions import PermissionDenied
|
||||
from django.db import transaction, IntegrityError
|
||||
from django.db.models import Q
|
||||
from django.http import HttpResponseBadRequest, HttpResponse, Http404
|
||||
from django.shortcuts import get_object_or_404
|
||||
|
||||
from rest_framework import status
|
||||
from rest_framework import viewsets
|
||||
from rest_framework.decorators import action as action_decorator
|
||||
from rest_framework.response import Response
|
||||
from rest_framework.parsers import JSONParser, FormParser, MultiPartParser
|
||||
from rest_framework.renderers import BrowsableAPIRenderer
|
||||
from rest_framework.exceptions import AuthenticationFailed
|
||||
from rest_framework.permissions import IsAuthenticated
|
||||
|
||||
import nacl.encoding
|
||||
import nacl.signing
|
||||
import nacl.secret
|
||||
import nacl.hash
|
||||
|
||||
from .sendfile import sendfile
|
||||
from .token_auth.models import AuthToken
|
||||
|
||||
from .drf_msgpack.parsers import MessagePackParser
|
||||
from .drf_msgpack.renderers import MessagePackRenderer
|
||||
|
||||
from . import app_settings, permissions
|
||||
from .renderers import JSONRenderer
|
||||
from .models import (
|
||||
Collection,
|
||||
CollectionItem,
|
||||
CollectionItemRevision,
|
||||
CollectionMember,
|
||||
CollectionMemberRemoved,
|
||||
CollectionInvitation,
|
||||
Stoken,
|
||||
UserInfo,
|
||||
)
|
||||
from .serializers import (
|
||||
AuthenticationChangePasswordInnerSerializer,
|
||||
AuthenticationSignupSerializer,
|
||||
AuthenticationLoginChallengeSerializer,
|
||||
AuthenticationLoginSerializer,
|
||||
AuthenticationLoginInnerSerializer,
|
||||
CollectionSerializer,
|
||||
CollectionItemSerializer,
|
||||
CollectionItemBulkGetSerializer,
|
||||
CollectionItemDepSerializer,
|
||||
CollectionItemRevisionSerializer,
|
||||
CollectionItemChunkSerializer,
|
||||
CollectionListMultiSerializer,
|
||||
CollectionMemberSerializer,
|
||||
CollectionInvitationSerializer,
|
||||
InvitationAcceptSerializer,
|
||||
UserInfoPubkeySerializer,
|
||||
UserSerializer,
|
||||
)
|
||||
from .utils import get_user_queryset, CallbackContext
|
||||
from .exceptions import EtebaseValidationError
|
||||
from .parsers import ChunkUploadParser
|
||||
from .signals import user_signed_up
|
||||
|
||||
User = get_user_model()
|
||||
|
||||
|
||||
def msgpack_encode(content):
|
||||
return msgpack.packb(content, use_bin_type=True)
|
||||
|
||||
|
||||
def msgpack_decode(content):
|
||||
return msgpack.unpackb(content, raw=False)
|
||||
|
||||
|
||||
class BaseViewSet(viewsets.ModelViewSet):
|
||||
authentication_classes = tuple(app_settings.API_AUTHENTICATORS)
|
||||
permission_classes = tuple(app_settings.API_PERMISSIONS)
|
||||
renderer_classes = [JSONRenderer, MessagePackRenderer] + ([BrowsableAPIRenderer] if settings.DEBUG else [])
|
||||
parser_classes = [JSONParser, MessagePackParser, FormParser, MultiPartParser]
|
||||
stoken_annotation = None
|
||||
|
||||
def get_serializer_class(self):
|
||||
serializer_class = self.serializer_class
|
||||
|
||||
if self.request.method == "PUT":
|
||||
serializer_class = getattr(self, "serializer_update_class", serializer_class)
|
||||
|
||||
return serializer_class
|
||||
|
||||
def get_collection_queryset(self, queryset=Collection.objects):
|
||||
user = self.request.user
|
||||
return queryset.filter(members__user=user)
|
||||
|
||||
def get_stoken_obj_id(self, request):
|
||||
return request.GET.get("stoken", None)
|
||||
|
||||
def get_stoken_obj(self, request):
|
||||
stoken = self.get_stoken_obj_id(request)
|
||||
|
||||
if stoken is not None:
|
||||
try:
|
||||
return Stoken.objects.get(uid=stoken)
|
||||
except Stoken.DoesNotExist:
|
||||
raise EtebaseValidationError("bad_stoken", "Invalid stoken.", status_code=status.HTTP_400_BAD_REQUEST)
|
||||
|
||||
return None
|
||||
|
||||
def filter_by_stoken(self, request, queryset):
|
||||
stoken_rev = self.get_stoken_obj(request)
|
||||
|
||||
queryset = queryset.annotate(max_stoken=self.stoken_annotation).order_by("max_stoken")
|
||||
|
||||
if stoken_rev is not None:
|
||||
queryset = queryset.filter(max_stoken__gt=stoken_rev.id)
|
||||
|
||||
return queryset, stoken_rev
|
||||
|
||||
def get_queryset_stoken(self, queryset):
|
||||
maxid = -1
|
||||
for row in queryset:
|
||||
rowmaxid = getattr(row, "max_stoken") or -1
|
||||
maxid = max(maxid, rowmaxid)
|
||||
new_stoken = (maxid >= 0) and Stoken.objects.get(id=maxid)
|
||||
|
||||
return new_stoken or None
|
||||
|
||||
def filter_by_stoken_and_limit(self, request, queryset):
|
||||
limit = int(request.GET.get("limit", 50))
|
||||
|
||||
queryset, stoken_rev = self.filter_by_stoken(request, queryset)
|
||||
|
||||
result = list(queryset[: limit + 1])
|
||||
if len(result) < limit + 1:
|
||||
done = True
|
||||
else:
|
||||
done = False
|
||||
result = result[:-1]
|
||||
|
||||
new_stoken_obj = self.get_queryset_stoken(result) or stoken_rev
|
||||
|
||||
return result, new_stoken_obj, done
|
||||
|
||||
# Change how our list works by default
|
||||
def list(self, request, collection_uid=None, *args, **kwargs):
|
||||
queryset = self.get_queryset()
|
||||
serializer = self.get_serializer(queryset, many=True)
|
||||
|
||||
ret = {
|
||||
"data": serializer.data,
|
||||
"done": True, # we always return all the items, so it's always done
|
||||
}
|
||||
|
||||
return Response(ret)
|
||||
|
||||
|
||||
class CollectionViewSet(BaseViewSet):
|
||||
allowed_methods = ["GET", "POST"]
|
||||
permission_classes = BaseViewSet.permission_classes + (permissions.IsCollectionAdminOrReadOnly,)
|
||||
queryset = Collection.objects.all()
|
||||
serializer_class = CollectionSerializer
|
||||
lookup_field = "uid"
|
||||
lookup_url_kwarg = "uid"
|
||||
stoken_annotation = Collection.stoken_annotation
|
||||
|
||||
def get_queryset(self, queryset=None):
|
||||
if queryset is None:
|
||||
queryset = type(self).queryset
|
||||
return self.get_collection_queryset(queryset)
|
||||
|
||||
def get_serializer_context(self):
|
||||
context = super().get_serializer_context()
|
||||
prefetch = self.request.query_params.get("prefetch", "auto")
|
||||
context.update({"request": self.request, "prefetch": prefetch})
|
||||
return context
|
||||
|
||||
def destroy(self, request, uid=None, *args, **kwargs):
|
||||
# FIXME: implement
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def partial_update(self, request, uid=None, *args, **kwargs):
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def update(self, request, *args, **kwargs):
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def create(self, request, *args, **kwargs):
|
||||
serializer = self.get_serializer(data=request.data)
|
||||
serializer.is_valid(raise_exception=True)
|
||||
serializer.save(owner=self.request.user)
|
||||
|
||||
return Response({}, status=status.HTTP_201_CREATED)
|
||||
|
||||
def list(self, request, *args, **kwargs):
|
||||
queryset = self.get_queryset()
|
||||
return self.list_common(request, queryset, *args, **kwargs)
|
||||
|
||||
@action_decorator(detail=False, methods=["POST"])
|
||||
def list_multi(self, request, *args, **kwargs):
|
||||
serializer = CollectionListMultiSerializer(data=request.data)
|
||||
serializer.is_valid(raise_exception=True)
|
||||
|
||||
collection_types = serializer.validated_data["collectionTypes"]
|
||||
|
||||
queryset = self.get_queryset()
|
||||
# FIXME: Remove the isnull part once we attach collection types to all objects ("collection-type-migration")
|
||||
queryset = queryset.filter(
|
||||
Q(members__collectionType__uid__in=collection_types) | Q(members__collectionType__isnull=True)
|
||||
)
|
||||
|
||||
return self.list_common(request, queryset, *args, **kwargs)
|
||||
|
||||
def list_common(self, request, queryset, *args, **kwargs):
|
||||
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,
|
||||
"stoken": new_stoken,
|
||||
"done": done,
|
||||
}
|
||||
|
||||
stoken_obj = self.get_stoken_obj(request)
|
||||
if stoken_obj is not None:
|
||||
# FIXME: honour limit? (the limit should be combined for data and this because of stoken)
|
||||
remed_qs = CollectionMemberRemoved.objects.filter(user=request.user, stoken__id__gt=stoken_obj.id)
|
||||
if not ret["done"]:
|
||||
# We only filter by the new_stoken if we are not done. This is because if we are done, the new stoken
|
||||
# can point to the most recent collection change rather than most recent removed membership.
|
||||
remed_qs = remed_qs.filter(stoken__id__lte=new_stoken_obj.id)
|
||||
|
||||
remed = remed_qs.values_list("collection__uid", flat=True)
|
||||
if len(remed) > 0:
|
||||
ret["removedMemberships"] = [{"uid": x} for x in remed]
|
||||
|
||||
return Response(ret)
|
||||
|
||||
|
||||
class CollectionItemViewSet(BaseViewSet):
|
||||
allowed_methods = ["GET", "POST", "PUT"]
|
||||
permission_classes = BaseViewSet.permission_classes + (permissions.HasWriteAccessOrReadOnly,)
|
||||
queryset = CollectionItem.objects.all()
|
||||
serializer_class = CollectionItemSerializer
|
||||
lookup_field = "uid"
|
||||
stoken_annotation = CollectionItem.stoken_annotation
|
||||
|
||||
def get_queryset(self):
|
||||
collection_uid = self.kwargs["collection_uid"]
|
||||
try:
|
||||
collection = self.get_collection_queryset(Collection.objects).get(uid=collection_uid)
|
||||
except Collection.DoesNotExist:
|
||||
raise Http404("Collection does not exist")
|
||||
# XXX Potentially add this for performance: .prefetch_related('revisions__chunks')
|
||||
queryset = type(self).queryset.filter(collection__pk=collection.pk, revisions__current=True)
|
||||
|
||||
return queryset
|
||||
|
||||
def get_serializer_context(self):
|
||||
context = super().get_serializer_context()
|
||||
prefetch = self.request.query_params.get("prefetch", "auto")
|
||||
context.update({"request": self.request, "prefetch": prefetch})
|
||||
return context
|
||||
|
||||
def create(self, request, collection_uid=None, *args, **kwargs):
|
||||
# We create using batch and transaction
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def destroy(self, request, collection_uid=None, uid=None, *args, **kwargs):
|
||||
# We can't have destroy because we need to get data from the user (in the body) such as hmac.
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def update(self, request, collection_uid=None, uid=None, *args, **kwargs):
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def partial_update(self, request, collection_uid=None, uid=None, *args, **kwargs):
|
||||
return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
|
||||
|
||||
def list(self, request, collection_uid=None, *args, **kwargs):
|
||||
queryset = self.get_queryset()
|
||||
|
||||
if not self.request.query_params.get("withCollection", False):
|
||||
queryset = queryset.filter(parent__isnull=True)
|
||||
|
||||
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,
|
||||
"stoken": new_stoken,
|
||||
"done": done,
|
||||
}
|
||||
return Response(ret)
|
||||
|
||||
@action_decorator(detail=True, methods=["GET"])
|
||||
def revision(self, request, collection_uid=None, uid=None, *args, **kwargs):
|
||||
col = get_object_or_404(self.get_collection_queryset(Collection.objects), uid=collection_uid)
|
||||
item = get_object_or_404(col.items, uid=uid)
|
||||
|
||||
limit = int(request.GET.get("limit", 50))
|
||||
iterator = request.GET.get("iterator", None)
|
||||
|
||||
queryset = item.revisions.order_by("-id")
|
||||
|
||||
if iterator is not None:
|
||||
iterator = get_object_or_404(queryset, uid=iterator)
|
||||
queryset = queryset.filter(id__lt=iterator.id)
|
||||
|
||||
result = list(queryset[: limit + 1])
|
||||
if len(result) < limit + 1:
|
||||
done = True
|
||||
else:
|
||||
done = False
|
||||
result = result[:-1]
|
||||
|
||||
serializer = CollectionItemRevisionSerializer(result, context=self.get_serializer_context(), many=True)
|
||||
|
||||
iterator = serializer.data[-1]["uid"] if len(result) > 0 else None
|
||||
|
||||
ret = {
|
||||
"data": serializer.data,
|
||||
"iterator": iterator,
|
||||
"done": done,
|
||||
}
|
||||
return Response(ret)
|
||||
|
||||
# FIXME: rename to something consistent with what the clients have - maybe list_updates?
|
||||
@action_decorator(detail=False, methods=["POST"])
|
||||
def fetch_updates(self, request, collection_uid=None, *args, **kwargs):
|
||||
queryset = self.get_queryset()
|
||||
|
||||
serializer = CollectionItemBulkGetSerializer(data=request.data, many=True)
|
||||
serializer.is_valid(raise_exception=True)
|
||||
# FIXME: make configurable?
|
||||
item_limit = 200
|
||||
|
||||
if len(serializer.validated_data) > item_limit:
|
||||
content = {"code": "too_many_items", "detail": "Request has too many items. Limit: {}".format(item_limit)}
|
||||
return Response(content, status=status.HTTP_400_BAD_REQUEST)
|
||||
|
||||
queryset, stoken_rev = self.filter_by_stoken(request, queryset)
|
||||
|
||||
uids, etags = zip(*[(item["uid"], item.get("etag")) for item in serializer.validated_data])
|
||||
revs = CollectionItemRevision.objects.filter(uid__in=etags, current=True)
|
||||
queryset = queryset.filter(uid__in=uids).exclude(revisions__in=revs)
|
||||
|
||||
new_stoken_obj = self.get_queryset_stoken(queryset)
|
||||
new_stoken = new_stoken_obj and new_stoken_obj.uid
|
||||
stoken = stoken_rev and getattr(stoken_rev, "uid", None)
|
||||
new_stoken = new_stoken or stoken
|
||||
|
||||
serializer = self.get_serializer(queryset, many=True)
|
||||
|
||||
ret = {
|
||||
"data": serializer.data,
|
||||
"stoken": new_stoken,
|
||||
"done": True, # we always return all the items, so it's always done
|
||||
}
|
||||
return Response(ret)
|
||||
|
||||
@action_decorator(detail=False, methods=["POST"])
|
||||
def batch(self, request, collection_uid=None, *args, **kwargs):
|
||||
return self.transaction(request, collection_uid, validate_etag=False)
|
||||
|
||||
@action_decorator(detail=False, methods=["POST"])
|
||||
def transaction(self, request, collection_uid=None, validate_etag=True, *args, **kwargs):
|
||||
stoken = request.GET.get("stoken", None)
|
||||
with transaction.atomic(): # We need this for locking on the collection object
|
||||
collection_object = get_object_or_404(
|
||||
self.get_collection_queryset(Collection.objects).select_for_update(), # Lock writes on the collection
|
||||
uid=collection_uid,
|
||||
)
|
||||
|
||||
if stoken is not None and stoken != collection_object.stoken:
|
||||
content = {"code": "stale_stoken", "detail": "Stoken is too old"}
|
||||
return Response(content, status=status.HTTP_409_CONFLICT)
|
||||
|
||||
items = request.data.get("items")
|
||||
deps = request.data.get("deps", None)
|
||||
# FIXME: It should just be one serializer
|
||||
context = self.get_serializer_context()
|
||||
context.update({"validate_etag": validate_etag})
|
||||
serializer = self.get_serializer_class()(data=items, context=context, many=True)
|
||||
deps_serializer = CollectionItemDepSerializer(data=deps, context=context, many=True)
|
||||
|
||||
ser_valid = serializer.is_valid()
|
||||
deps_ser_valid = deps is None or deps_serializer.is_valid()
|
||||
if ser_valid and deps_ser_valid:
|
||||
items = serializer.save(collection=collection_object)
|
||||
|
||||
ret = {}
|
||||
return Response(ret, status=status.HTTP_200_OK)
|
||||
|
||||
return Response(
|
||||
{
|
||||
"items": serializer.errors,
|
||||
"deps": deps_serializer.errors if deps is not None else [],
|
||||
},
|
||||
status=status.HTTP_409_CONFLICT,
|
||||
)
|
||||
|
||||
|
||||
class CollectionItemChunkViewSet(viewsets.ViewSet):
|
||||
allowed_methods = ["GET", "PUT"]
|
||||
authentication_classes = BaseViewSet.authentication_classes
|
||||
permission_classes = BaseViewSet.permission_classes
|
||||
renderer_classes = BaseViewSet.renderer_classes
|
||||
parser_classes = (ChunkUploadParser,)
|
||||
serializer_class = CollectionItemChunkSerializer
|
||||
lookup_field = "uid"
|
||||
|
||||
def get_serializer_class(self):
|
||||
return self.serializer_class
|
||||
|
||||
def get_collection_queryset(self, queryset=Collection.objects):
|
||||
user = self.request.user
|
||||
return queryset.filter(members__user=user)
|
||||
|
||||
def update(self, request, *args, collection_uid=None, collection_item_uid=None, uid=None, **kwargs):
|
||||
col = get_object_or_404(self.get_collection_queryset(), uid=collection_uid)
|
||||
# IGNORED FOR NOW: col_it = get_object_or_404(col.items, uid=collection_item_uid)
|
||||
|
||||
data = {
|
||||
"uid": uid,
|
||||
"chunkFile": request.data["file"],
|
||||
}
|
||||
|
||||
serializer = self.get_serializer_class()(data=data)
|
||||
serializer.is_valid(raise_exception=True)
|
||||
try:
|
||||
serializer.save(collection=col)
|
||||
except IntegrityError:
|
||||
return Response(
|
||||
{"code": "chunk_exists", "detail": "Chunk already exists."}, status=status.HTTP_409_CONFLICT
|
||||
)
|
||||
|
||||
return Response({}, status=status.HTTP_201_CREATED)
|
||||
|
||||
@action_decorator(detail=True, methods=["GET"])
|
||||
def download(self, request, collection_uid=None, collection_item_uid=None, uid=None, *args, **kwargs):
|
||||
col = get_object_or_404(self.get_collection_queryset(), uid=collection_uid)
|
||||
chunk = get_object_or_404(col.chunks, uid=uid)
|
||||
|
||||
filename = chunk.chunkFile.path
|
||||
return sendfile(request, filename)
|
||||
|
||||
|
||||
class CollectionMemberViewSet(BaseViewSet):
|
||||
allowed_methods = ["GET", "PUT", "DELETE"]
|
||||
our_base_permission_classes = BaseViewSet.permission_classes
|
||||
permission_classes = our_base_permission_classes + (permissions.IsCollectionAdmin,)
|
||||
queryset = CollectionMember.objects.all()
|
||||
serializer_class = CollectionMemberSerializer
|
||||
lookup_field = f"user__{User.USERNAME_FIELD}__iexact"
|
||||
lookup_url_kwarg = "username"
|
||||
stoken_annotation = CollectionMember.stoken_annotation
|
||||
|
||||
# FIXME: need to make sure that there's always an admin, and maybe also don't let an owner remove adm access
|
||||
# (if we want to transfer, we need to do that specifically)
|
||||
|
||||
def get_queryset(self, queryset=None):
|
||||
collection_uid = self.kwargs["collection_uid"]
|
||||
try:
|
||||
collection = self.get_collection_queryset(Collection.objects).get(uid=collection_uid)
|
||||
except Collection.DoesNotExist:
|
||||
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), 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(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(), CallbackContext(self.kwargs)), **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(), CallbackContext(self.kwargs))
|
||||
|
||||
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.split(":", 1)[0] != request.get_host().split(":", 1)[0]:
|
||||
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(), CallbackContext(self.kwargs))
|
||||
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.collectionmember_set.all().delete()
|
||||
user.incoming_invitations.all().delete()
|
||||
|
||||
# FIXME: also delete chunk files!!!
|
||||
|
||||
return HttpResponse()
|
||||
@ -1,9 +1,5 @@
|
||||
django
|
||||
django-cors-headers
|
||||
djangorestframework
|
||||
drf-nested-routers
|
||||
msgpack
|
||||
psycopg2-binary
|
||||
pynacl
|
||||
fastapi
|
||||
uvicorn
|
||||
uvicorn
|
||||
|
||||
Loading…
Reference in new issue