Add GET media/v1/config

changelog.d/3184.feature

@@ -0,0 +1 @@
+Add /_media/r0/config

synapse/rest/media/v1/config_resource.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 Will Hunt <[email protected]>
+#
+# 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 twisted.web.resource import Resource
+from twisted.web.server import NOT_DONE_YET
+from synapse.http.server import respond_with_json, wrap_json_request_handler
+
+
+class MediaConfigResource(Resource):
+    isLeaf = True
+
+    def __init__(self, hs):
+        Resource.__init__(self)
+        config = hs.get_config()
+        self.clock = hs.get_clock()
+        self.limits_dict = {
+            "m.upload.size": config.max_upload_size,
+        }
+
+    def render_GET(self, request):
+        self._async_render_GET(request)
+        return NOT_DONE_YET
+
+    @wrap_json_request_handler
+    def _async_render_GET(self, request):
+        return respond_with_json(request, 200, self.limits_dict)
+
+    def render_OPTIONS(self, request):
+        respond_with_json(request, 200, {}, send_cors=True)
+        return NOT_DONE_YET

synapse/rest/media/v1/media_repository.py

@@ -50,6 +50,7 @@
 from .thumbnail_resource import ThumbnailResource
 from .thumbnailer import Thumbnailer
 from .upload_resource import UploadResource
+from .config_resource import MediaConfigResource
 
 logger = logging.getLogger(__name__)
 
@@ -748,7 +749,6 @@ def __init__(self, hs):
         Resource.__init__(self)
 
         media_repo = hs.get_media_repository()
-
         self.putChild("upload", UploadResource(hs, media_repo))
         self.putChild("download", DownloadResource(hs, media_repo))
         self.putChild("thumbnail", ThumbnailResource(
@@ -759,3 +759,4 @@ def __init__(self, hs):
             self.putChild("preview_url", PreviewUrlResource(
                 hs, media_repo, media_repo.media_storage,
             ))
+        self.putChild("config", MediaConfigResource(hs))