WIP: Implement failing media API tests

mediaapi/routing/config.go

@@ -0,0 +1,37 @@
+// Copyright 2017 Vector Creations 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.
+
+package routing
+
+import (
+	"net/http"
+
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/util"
+)
+
+// mediaConfigResponse represents a response for a `config` request
+type mediaConfigResponse struct {
+	MaxFileSizeBytes *config.FileSizeBytes `json:"m.upload.size"`
+}
+
+// Config implements `/config` which allows clients to retrieve the
+// configuration of the content repository, such as upload limitations.
+// https://matrix.org/docs/spec/client_server/latest#get-matrix-media-r0-config
+func Config(req *http.Request, cfg *config.MediaAPI) util.JSONResponse {
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: mediaConfigResponse{MaxFileSizeBytes: cfg.MaxFileSizeBytes},
+	}
+}