mirror of
https://github.com/etesync/server
synced 2024-11-25 18:28:46 +00:00
121 lines
4.1 KiB
Python
121 lines
4.1 KiB
Python
# 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 base64
|
|
|
|
from django.contrib.auth import get_user_model
|
|
from rest_framework import serializers
|
|
from . import models
|
|
|
|
User = get_user_model()
|
|
|
|
|
|
class BinaryBase64Field(serializers.Field):
|
|
def to_representation(self, value):
|
|
return base64.b64encode(value).decode('ascii')
|
|
|
|
def to_internal_value(self, data):
|
|
return base64.b64decode(data)
|
|
|
|
|
|
class CollectionSerializer(serializers.ModelSerializer):
|
|
owner = serializers.SlugRelatedField(
|
|
slug_field=User.USERNAME_FIELD,
|
|
read_only=True
|
|
)
|
|
encryptionKey = serializers.SerializerMethodField('get_key_from_context')
|
|
permissions = serializers.SerializerMethodField('get_permission_from_context')
|
|
ctag = serializers.SerializerMethodField('get_ctag')
|
|
|
|
class Meta:
|
|
model = models.Collection
|
|
fields = ('uid', 'version', 'owner', 'encryptionKey', 'permissions', 'ctag')
|
|
|
|
def get_key_from_context(self, obj):
|
|
request = self.context.get('request', None)
|
|
if request is not None:
|
|
return 'FIXME'
|
|
return None
|
|
|
|
def get_permission_from_context(self, obj):
|
|
request = self.context.get('request', None)
|
|
if request is not None:
|
|
return 'FIXME'
|
|
return 'readOnly'
|
|
|
|
def get_ctag(self, obj):
|
|
return 'FIXME'
|
|
|
|
|
|
class CollectionItemChunkSerializer(serializers.ModelSerializer):
|
|
class Meta:
|
|
model = models.CollectionItemChunk
|
|
fields = ('uid', 'chunkFile')
|
|
|
|
|
|
class CollectionItemSnapshotBaseSerializer(serializers.ModelSerializer):
|
|
encryptionKey = BinaryBase64Field()
|
|
chunks = serializers.SlugRelatedField(
|
|
slug_field='uid',
|
|
queryset=models.CollectionItemChunk.objects.all(),
|
|
many=True
|
|
)
|
|
|
|
class Meta:
|
|
model = models.CollectionItemSnapshot
|
|
fields = ('version', 'encryptionKey', 'chunks', 'hmac')
|
|
|
|
|
|
class CollectionItemSnapshotSerializer(CollectionItemSnapshotBaseSerializer):
|
|
chunksUrls = serializers.SerializerMethodField('get_chunks_urls')
|
|
|
|
class Meta(CollectionItemSnapshotBaseSerializer.Meta):
|
|
fields = CollectionItemSnapshotBaseSerializer.Meta.fields + ('chunksUrls', )
|
|
|
|
# FIXME: currently the user is exposed in the url. We don't want that, and we can probably avoid that but still save it under the user.
|
|
# We would probably be better off just let the user calculate the urls from the uid and a base url for the snapshot.
|
|
# E.g. chunkBaseUrl: "/media/bla/bla/" or chunkBaseUrl: "https://media.etesync.com/bla/bla"
|
|
def get_chunks_urls(self, obj):
|
|
ret = []
|
|
for chunk in obj.chunks.all():
|
|
ret.append(chunk.chunkFile.url)
|
|
|
|
return ret
|
|
|
|
|
|
class CollectionItemSnapshotInlineSerializer(CollectionItemSnapshotBaseSerializer):
|
|
chunksData = serializers.SerializerMethodField('get_chunks_data')
|
|
|
|
class Meta(CollectionItemSnapshotBaseSerializer.Meta):
|
|
fields = CollectionItemSnapshotBaseSerializer.Meta.fields + ('chunksData', )
|
|
|
|
def get_chunks_data(self, obj):
|
|
ret = []
|
|
for chunk in obj.chunks.all():
|
|
with open(chunk.chunkFile.path, 'rb') as f:
|
|
ret.append(base64.b64encode(f.read()).decode('ascii'))
|
|
|
|
return ret
|
|
|
|
class CollectionItemSerializer(serializers.ModelSerializer):
|
|
content = CollectionItemSnapshotSerializer(read_only=True, many=False)
|
|
|
|
class Meta:
|
|
model = models.CollectionItem
|
|
fields = ('uid', 'content')
|
|
|
|
|
|
class CollectionItemInlineSerializer(CollectionItemSerializer):
|
|
content = CollectionItemSnapshotInlineSerializer(read_only=True, many=False)
|