anonymousland-synapse/synapse/rest/media/v0/content_repository.py
Mark Haines 13e334506c Remove the legacy v0 content upload API.
The existing content can still be downloaded. The last upload to the
matrix.org server was in January 2015, so it is probably safe to remove
the upload API.
2016-06-21 11:47:39 +01:00

105 lines
3.5 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.
from synapse.http.server import respond_with_json_bytes, finish_request
from synapse.api.errors import (
Codes, cs_error
)
from twisted.protocols.basic import FileSender
from twisted.web import server, resource
import base64
import simplejson as json
import logging
import os
import re
logger = logging.getLogger(__name__)
class ContentRepoResource(resource.Resource):
"""Provides file uploading and downloading.
Uploads are POSTed to wherever this Resource is linked to. This resource
returns a "content token" which can be used to GET this content again. The
token is typically a path, but it may not be. Tokens can expire, be
one-time uses, etc.
In this case, the token is a path to the file and contains 3 interesting
sections:
- User ID base64d (for namespacing content to each user)
- random 24 char string
- Content type base64d (so we can return it when clients GET it)
"""
isLeaf = True
def __init__(self, hs, directory):
resource.Resource.__init__(self)
self.hs = hs
self.directory = directory
def render_GET(self, request):
# no auth here on purpose, to allow anyone to view, even across home
# servers.
# TODO: A little crude here, we could do this better.
filename = request.path.split('/')[-1]
# be paranoid
filename = re.sub("[^0-9A-z.-_]", "", filename)
file_path = self.directory + "/" + filename
logger.debug("Searching for %s", file_path)
if os.path.isfile(file_path):
# filename has the content type
base64_contentype = filename.split(".")[1]
content_type = base64.urlsafe_b64decode(base64_contentype)
logger.info("Sending file %s", file_path)
f = open(file_path, 'rb')
request.setHeader('Content-Type', content_type)
# cache for at least a day.
# XXX: we might want to turn this off for data we don't want to
# recommend caching as it's sensitive or private - or at least
# select private. don't bother setting Expires as all our matrix
# clients are smart enough to be happy with Cache-Control (right?)
request.setHeader(
"Cache-Control", "public,max-age=86400,s-maxage=86400"
)
d = FileSender().beginFileTransfer(f, request)
# after the file has been sent, clean up and finish the request
def cbFinished(ignored):
f.close()
finish_request(request)
d.addCallback(cbFinished)
else:
respond_with_json_bytes(
request,
404,
json.dumps(cs_error("Not found", code=Codes.NOT_FOUND)),
send_cors=True)
return server.NOT_DONE_YET
def render_OPTIONS(self, request):
respond_with_json_bytes(request, 200, {}, send_cors=True)
return server.NOT_DONE_YET