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// 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/clientapi/auth"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/common/config"
"github.com/matrix-org/dendrite/mediaapi/storage"
"github.com/matrix-org/dendrite/mediaapi/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
const pathPrefixR0 = "/_matrix/media/r0"
// Setup registers the media API HTTP handlers
//
// Due to Setup being used to call many other functions, a gocyclo nolint is
// applied:
// nolint: gocyclo
func Setup(
apiMux *mux.Router,
cfg *config.Dendrite,
db storage.Database,
deviceDB devices.Database,
client *gomatrixserverlib.Client,
) {
r0mux := apiMux.PathPrefix(pathPrefixR0).Subrouter()
activeThumbnailGeneration := &types.ActiveThumbnailGeneration{
PathToResult: map[string]*types.ThumbnailGenerationResult{},
}
authData := auth.Data{
AccountDB: nil,
DeviceDB: deviceDB,
AppServices: nil,
}
// TODO: Add AS support
r0mux.Handle("/upload", common.MakeAuthAPI(
"upload", authData,
func(req *http.Request, _ *authtypes.Device) util.JSONResponse {
return Upload(req, cfg, db, activeThumbnailGeneration)
},
)).Methods(http.MethodPost, http.MethodOptions)
activeRemoteRequests := &types.ActiveRemoteRequests{
MXCToResult: map[string]*types.RemoteRequestResult{},
}
r0mux.Handle("/download/{serverName}/{mediaId}",
makeDownloadAPI("download", cfg, db, client, activeRemoteRequests, activeThumbnailGeneration),
).Methods(http.MethodGet, http.MethodOptions)
r0mux.Handle("/thumbnail/{serverName}/{mediaId}",
makeDownloadAPI("thumbnail", cfg, db, client, activeRemoteRequests, activeThumbnailGeneration),
).Methods(http.MethodGet, http.MethodOptions)
}
func makeDownloadAPI(
name string,
cfg *config.Dendrite,
db storage.Database,
client *gomatrixserverlib.Client,
activeRemoteRequests *types.ActiveRemoteRequests,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
) http.HandlerFunc {
counterVec := promauto.NewCounterVec(
prometheus.CounterOpts{
Name: name,
Help: "Total number of media_api requests for either thumbnails or full downloads",
},
[]string{"code"},
)
httpHandler := func(w http.ResponseWriter, req *http.Request) {
req = util.RequestWithLogging(req)
// Set common headers returned regardless of the outcome of the request
util.SetCORSHeaders(w)
// Content-Type will be overridden in case of returning file data, else we respond with JSON-formatted errors
w.Header().Set("Content-Type", "application/json")
vars, _ := common.URLDecodeMapValues(mux.Vars(req))
Download(
w,
req,
gomatrixserverlib.ServerName(vars["serverName"]),
types.MediaID(vars["mediaId"]),
cfg,
db,
client,
activeRemoteRequests,
activeThumbnailGeneration,
name == "thumbnail",
)
}
return promhttp.InstrumentHandlerCounter(counterVec, http.HandlerFunc(httpHandler))
}
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