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# -*- coding: utf-8 -*-
# Copyright 2014 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
from synapse.util.stringutils import random_string
from synapse.api.errors import (
cs_exception, SynapseError, CodeMessageException
)
from twisted.web.resource import Resource
from twisted.web.server import NOT_DONE_YET
from twisted.internet import defer
import os
import logging
logger = logging.getLogger(__name__)
class UploadResource(Resource):
isLeaf = True
def __init__(self, hs, filepaths):
Resource.__init__(self)
self.auth = hs.get_auth()
self.clock = hs.get_clock()
self.store = hs.get_datastore()
self.max_upload_size = hs.config.max_upload_size
self.filepaths = filepaths
def render_POST(self, request):
self._async_render_POST(request)
return NOT_DONE_YET
def render_OPTIONS(self, request):
respond_with_json(request, 200, {}, send_cors=True)
return NOT_DONE_YET
@defer.inlineCallbacks
def _async_render_POST(self, request):
try:
auth_user = yield self.auth.get_user_by_req(request)
# TODO: The checks here are a bit late. The content will have
# already been uploaded to a tmp file at this point
content_length = request.getHeader("Content-Length")
if content_length is None:
raise SynapseError(
msg="Request must specify a Content-Length", code=400
)
if int(content_length) > self.max_upload_size:
raise SynapseError(
msg="Upload request body is too large",
code=413,
)
headers = request.requestHeaders
if headers.hasHeader("Content-Type"):
media_type = headers.getRawHeaders("Content-Type")[0]
else:
raise SynapseError(
msg="Upload request missing 'Content-Type'",
code=400,
)
#if headers.hasHeader("Content-Disposition"):
# disposition = headers.getRawHeaders("Content-Disposition")[0]
# TODO(markjh): parse content-dispostion
media_id = random_string(24)
fname = self.filepaths.local_media_filepath(media_id)
os.makedirs(os.path.dirname(fname))
# This shouldn't block for very long because the content will have
# already been uploaded at this point.
with open(fname, "wb") as f:
f.write(request.content.read())
yield self.store.store_local_media(
media_id=media_id,
media_type=media_type,
time_now_ms=self.clock.time_msec(),
upload_name=None,
media_length=content_length,
user_id=auth_user,
)
respond_with_json(
request, 200, {"content_token": media_id}, send_cors=True
)
except CodeMessageException as e:
logger.exception(e)
respond_with_json(request, e.code, cs_exception(e), send_cors=True)
except:
logger.exception("Failed to store file")
respond_with_json(
request,
500,
{"error": "Internal server error"},
send_cors=True
)
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