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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from .base_resource import BaseMediaResource, parse_media_id
from synapse.http.server import request_handler
from twisted.web.server import NOT_DONE_YET
from twisted.internet import defer
import logging
logger = logging.getLogger(__name__)
class DownloadResource(BaseMediaResource):
def render_GET(self, request):
self._async_render_GET(request)
return NOT_DONE_YET
@request_handler
@defer.inlineCallbacks
def _async_render_GET(self, request):
server_name, media_id, name = parse_media_id(request)
if server_name == self.server_name:
yield self._respond_local_file(request, media_id, name)
else:
yield self._respond_remote_file(
request, server_name, media_id, name
)
@defer.inlineCallbacks
def _respond_local_file(self, request, media_id, name):
media_info = yield self.store.get_local_media(media_id)
if not media_info:
self._respond_404(request)
return
media_type = media_info["media_type"]
media_length = media_info["media_length"]
upload_name = name if name else media_info["upload_name"]
file_path = self.filepaths.local_media_filepath(media_id)
yield self._respond_with_file(
request, media_type, file_path, media_length,
upload_name=upload_name,
)
@defer.inlineCallbacks
def _respond_remote_file(self, request, server_name, media_id, name):
media_info = yield self._get_remote_media(server_name, media_id)
media_type = media_info["media_type"]
media_length = media_info["media_length"]
filesystem_id = media_info["filesystem_id"]
upload_name = name if name else media_info["upload_name"]
file_path = self.filepaths.remote_media_filepath(
server_name, filesystem_id
)
yield self._respond_with_file(
request, media_type, file_path, media_length,
upload_name=upload_name,
)
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