diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py
new file mode 100644
index 0000000000..b9600f2167
--- /dev/null
+++ b/synapse/rest/media/v1/_base.py
@@ -0,0 +1,110 @@
+# -*- 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, finish_request
+from synapse.api.errors import (
+ cs_error, Codes, SynapseError
+)
+
+from twisted.internet import defer
+from twisted.protocols.basic import FileSender
+
+from synapse.util.stringutils import is_ascii
+
+import os
+
+import logging
+import urllib
+import urlparse
+
+logger = logging.getLogger(__name__)
+
+
+def parse_media_id(request):
+ try:
+ # This allows users to append e.g. /test.png to the URL. Useful for
+ # clients that parse the URL to see content type.
+ server_name, media_id = request.postpath[:2]
+ file_name = None
+ if len(request.postpath) > 2:
+ try:
+ file_name = urlparse.unquote(request.postpath[-1]).decode("utf-8")
+ except UnicodeDecodeError:
+ pass
+ return server_name, media_id, file_name
+ except:
+ raise SynapseError(
+ 404,
+ "Invalid media id token %r" % (request.postpath,),
+ Codes.UNKNOWN,
+ )
+
+
+def respond_404(request):
+ respond_with_json(
+ request, 404,
+ cs_error(
+ "Not found %r" % (request.postpath,),
+ code=Codes.NOT_FOUND,
+ ),
+ send_cors=True
+ )
+
+
+@defer.inlineCallbacks
+def respond_with_file(request, media_type, file_path,
+ file_size=None, upload_name=None):
+ logger.debug("Responding with %r", file_path)
+
+ if os.path.isfile(file_path):
+ request.setHeader(b"Content-Type", media_type.encode("UTF-8"))
+ if upload_name:
+ if is_ascii(upload_name):
+ request.setHeader(
+ b"Content-Disposition",
+ b"inline; filename=%s" % (
+ urllib.quote(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
+ # recommend caching as it's sensitive or private - or at least
+ # select private. don't bother setting Expires as all our
+ # clients are smart enough to be happy with Cache-Control
+ request.setHeader(
+ b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
+ )
+ if file_size is None:
+ stat = os.stat(file_path)
+ file_size = stat.st_size
+
+ request.setHeader(
+ b"Content-Length", b"%d" % (file_size,)
+ )
+
+ with open(file_path, "rb") as f:
+ yield FileSender().beginFileTransfer(f, request)
+
+ finish_request(request)
+ else:
+ respond_404(request)
|
