From e85c7873dc885c18705c2a77d8487517379d64fb Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Wed, 26 Aug 2015 16:26:37 +0100 Subject: [PATCH] Allow non-ascii filenames for attachments --- synapse/rest/media/v1/base_resource.py | 17 +++++++++++++---- synapse/rest/media/v1/upload_resource.py | 6 ++---- synapse/util/stringutils.py | 2 ++ 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/synapse/rest/media/v1/base_resource.py b/synapse/rest/media/v1/base_resource.py index 4e21527c3..24297b20f 100644 --- a/synapse/rest/media/v1/base_resource.py +++ b/synapse/rest/media/v1/base_resource.py @@ -33,6 +33,7 @@ import os import cgi import logging +import urllib logger = logging.getLogger(__name__) @@ -181,10 +182,18 @@ class BaseMediaResource(Resource): if os.path.isfile(file_path): request.setHeader(b"Content-Type", media_type.encode("UTF-8")) if upload_name: - request.setHeader( - b"Content-Disposition", - b"inline; filename=%s" % (upload_name.encode("utf-8"),), - ) + if is_ascii(upload_name): + request.setHeader( + b"Content-Disposition", + b"inline; filename=%s" % (upload_name.encode("utf-8"),), + ) + else: + request.setHeader( + b"Content-Disposition", + b"inline; filename*=utf-8''%s" % ( + urllib.quote(upload_name.encode("utf-8")), + ), + ) # cache for at least a day. # XXX: we might want to turn this off for data we don't want to diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index cdd1d44e0..21d8fb9ce 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, is_ascii +from synapse.util.stringutils import random_string from synapse.api.errors import SynapseError from twisted.web.server import NOT_DONE_YET @@ -86,9 +86,7 @@ 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") + upload_name = upload_name[0].decode('UTF-8') headers = request.requestHeaders diff --git a/synapse/util/stringutils.py b/synapse/util/stringutils.py index 7a1e96af3..f3a36340e 100644 --- a/synapse/util/stringutils.py +++ b/synapse/util/stringutils.py @@ -38,6 +38,8 @@ def random_string_with_symbols(length): def is_ascii(s): try: s.encode("ascii") + except UnicodeEncodeError: + return False except UnicodeDecodeError: return False else: