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// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// 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 (
"errors"
"net/http"
appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/internal/eventutil"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/version"
"github.com/matrix-org/dendrite/setup/config"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
)
type upgradeRoomRequest struct {
NewVersion string `json:"new_version"`
}
type upgradeRoomResponse struct {
ReplacementRoom string `json:"replacement_room"`
}
// UpgradeRoom implements /upgrade
func UpgradeRoom(
req *http.Request, device *userapi.Device,
cfg *config.ClientAPI,
roomID string, profileAPI userapi.ClientUserAPI,
rsAPI roomserverAPI.ClientRoomserverAPI,
asAPI appserviceAPI.AppServiceInternalAPI,
) util.JSONResponse {
var r upgradeRoomRequest
if rErr := httputil.UnmarshalJSONRequest(req, &r); rErr != nil {
return *rErr
}
// Validate that the room version is supported
if _, err := version.SupportedRoomVersion(gomatrixserverlib.RoomVersion(r.NewVersion)); err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.UnsupportedRoomVersion("This server does not support that room version"),
}
}
newRoomID, err := rsAPI.PerformRoomUpgrade(req.Context(), roomID, device.UserID, gomatrixserverlib.RoomVersion(r.NewVersion))
switch e := err.(type) {
case nil:
case roomserverAPI.ErrNotAllowed:
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden(e.Error()),
}
default:
if errors.Is(err, eventutil.ErrRoomNoExists{}) {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: spec.NotFound("Room does not exist"),
}
}
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: upgradeRoomResponse{
ReplacementRoom: newRoomID,
},
}
}
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