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Limit the size of uploads

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This commit is contained in:
Mark Haines 2014-09-03 17:04:00 +01:00
parent beaf50f5c6
commit ee2bcdec65
3 changed files with 55 additions and 1 deletions
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14
synapse/http/content_repository.py
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@ -56,6 +56,7 @@ class ContentRepoResource(resource.Resource):
self.directory = directory
self.auth = auth
self.external_addr = external_addr.rstrip('/')
self.max_upload_size = hs.config.max_upload_size
if not os.path.isdir(self.directory):
os.mkdir(self.directory)
@ -155,6 +156,19 @@ class ContentRepoResource(resource.Resource):
@defer.inlineCallbacks
def _async_render(self, request):
try:
# 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,
)
fname = yield self.map_request_to_name(request)
# TODO I have a suspcious feeling this is just going to block