diff options
Diffstat (limited to 'synapse/rest/media')
| -rw-r--r-- | synapse/rest/media/v1/base_resource.py | 3 | ||||
| -rw-r--r-- | synapse/rest/media/v1/upload_resource.py | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/synapse/rest/media/v1/base_resource.py b/synapse/rest/media/v1/base_resource.py index 04410ab827..1b7517e2f0 100644 --- a/synapse/rest/media/v1/base_resource.py +++ b/synapse/rest/media/v1/base_resource.py @@ -27,6 +27,7 @@ from twisted.web.resource import Resource from twisted.protocols.basic import FileSender from synapse.util.async import ObservableDeferred +from synapse.util.stringutils import is_ascii import os @@ -135,6 +136,8 @@ class BaseMediaResource(Resource): if content_disposition: _, params = cgi.parse_header(content_disposition[0],) upload_name = params.get("filename", None) + if upload_name and not is_ascii(upload_name): + upload_name = None else: upload_name = None diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index 92e855a448..cdd1d44e07 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -15,7 +15,7 @@ from synapse.http.server import respond_with_json, request_handler -from synapse.util.stringutils import random_string +from synapse.util.stringutils import random_string, is_ascii from synapse.api.errors import SynapseError from twisted.web.server import NOT_DONE_YET @@ -87,6 +87,8 @@ class UploadResource(BaseMediaResource): upload_name = request.args.get("filename", None) if upload_name: upload_name = upload_name[0] + if upload_name and not is_ascii(upload_name): + raise SynapseError(400, "filename must be ascii") headers = request.requestHeaders |