mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-29 14:56:11 -05:00
72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
# -*- 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.
|
|
import logging
|
|
|
|
from twisted.internet import defer
|
|
from twisted.web.resource import Resource
|
|
from twisted.web.server import NOT_DONE_YET
|
|
|
|
import synapse.http.servlet
|
|
from synapse.http.server import set_cors_headers, wrap_json_request_handler
|
|
|
|
from ._base import parse_media_id, respond_404
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class DownloadResource(Resource):
|
|
isLeaf = True
|
|
|
|
def __init__(self, hs, media_repo):
|
|
Resource.__init__(self)
|
|
|
|
self.media_repo = media_repo
|
|
self.server_name = hs.hostname
|
|
|
|
# this is expected by @wrap_json_request_handler
|
|
self.clock = hs.get_clock()
|
|
|
|
def render_GET(self, request):
|
|
self._async_render_GET(request)
|
|
return NOT_DONE_YET
|
|
|
|
@wrap_json_request_handler
|
|
@defer.inlineCallbacks
|
|
def _async_render_GET(self, request):
|
|
set_cors_headers(request)
|
|
request.setHeader(
|
|
"Content-Security-Policy",
|
|
"default-src 'none';"
|
|
" script-src 'none';"
|
|
" plugin-types application/pdf;"
|
|
" style-src 'unsafe-inline';"
|
|
" object-src 'self';"
|
|
)
|
|
server_name, media_id, name = parse_media_id(request)
|
|
if server_name == self.server_name:
|
|
yield self.media_repo.get_local_media(request, media_id, name)
|
|
else:
|
|
allow_remote = synapse.http.servlet.parse_boolean(
|
|
request, "allow_remote", default=True)
|
|
if not allow_remote:
|
|
logger.info(
|
|
"Rejecting request for remote media %s/%s due to allow_remote",
|
|
server_name, media_id,
|
|
)
|
|
respond_404(request)
|
|
return
|
|
|
|
yield self.media_repo.get_remote_media(request, server_name, media_id, name)
|