1 files changed, 68 insertions, 0 deletions
diff --git a/synapse/media/v1/download_resource.py b/synapse/media/v1/download_resource.py
new file mode 100644
index 0000000000..f3a6804e05
--- /dev/null
+++ b/synapse/media/v1/download_resource.py
@@ -0,0 +1,68 @@
+# -*- 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 .base_resource import BaseMediaResource
+
+from twisted.web.server import NOT_DONE_YET
+from twisted.internet import defer
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class DownloadResource(BaseMediaResource):
+    def render_GET(self, request):
+        self._async_render_GET(request)
+        return NOT_DONE_YET
+
+    @BaseMediaResource.catch_errors
+    @defer.inlineCallbacks
+    def _async_render_GET(self, request):
+        try:
+            server_name, media_id = request.postpath
+        except:
+            self._respond_404(request)
+            return
+
+        if server_name == self.server_name:
+            yield self._respond_local_file(request, media_id)
+        else:
+            yield self._respond_remote_file(request, server_name, media_id)
+
+    @defer.inlineCallbacks
+    def _respond_local_file(self, request, media_id):
+        media_info = yield self.store.get_local_media(media_id)
+        if not media_info:
+            self._respond_404()
+            return
+
+        media_type = media_info["media_type"]
+        file_path = self.filepaths.local_media_filepath(media_id)
+
+        yield self._respond_with_file(request, media_type, file_path)
+
+    @defer.inlineCallbacks
+    def _respond_remote_file(self, request, server_name, media_id):
+        media_info = yield self._get_remote_media(server_name, media_id)
+
+        media_type = media_info["media_type"]
+        filesystem_id = media_info["filesystem_id"]
+
+        file_path = self.filepaths.remote_media_filepath(
+            server_name, filesystem_id
+        )
+
+        yield self._respond_with_file(request, media_type, file_path)