80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
// Copyright 2020 New Vector 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"
|
|
|
|
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/dendrite/userapi/api"
|
|
"github.com/matrix-org/dendrite/userapi/storage/accounts"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/matrix-org/util"
|
|
)
|
|
|
|
func PeekRoomByIDOrAlias(
|
|
req *http.Request,
|
|
device *api.Device,
|
|
rsAPI roomserverAPI.RoomserverInternalAPI,
|
|
accountDB accounts.Database,
|
|
roomIDOrAlias string,
|
|
) util.JSONResponse {
|
|
// if this is a remote roomIDOrAlias, we have to ask the roomserver (or federation sender?) to
|
|
// to call /peek and /state on the remote server.
|
|
// TODO: in future we could skip this if we know we're already participating in the room,
|
|
// but this is fiddly in case we stop participating in the room.
|
|
|
|
// then we create a local peek.
|
|
peekReq := roomserverAPI.PerformPeekRequest{
|
|
RoomIDOrAlias: roomIDOrAlias,
|
|
UserID: device.UserID,
|
|
DeviceID: device.ID,
|
|
}
|
|
peekRes := roomserverAPI.PerformPeekResponse{}
|
|
|
|
// Check to see if any ?server_name= query parameters were
|
|
// given in the request.
|
|
if serverNames, ok := req.URL.Query()["server_name"]; ok {
|
|
for _, serverName := range serverNames {
|
|
peekReq.ServerNames = append(
|
|
peekReq.ServerNames,
|
|
gomatrixserverlib.ServerName(serverName),
|
|
)
|
|
}
|
|
}
|
|
|
|
// Ask the roomserver to perform the peek.
|
|
rsAPI.PerformPeek(req.Context(), &peekReq, &peekRes)
|
|
if peekRes.Error != nil {
|
|
return peekRes.Error.JSONResponse()
|
|
}
|
|
|
|
// if this user is already joined to the room, we let them peek anyway
|
|
// (given they might be about to part the room, and it makes things less fiddly)
|
|
|
|
// Peeking stops if none of the devices who started peeking have been
|
|
// /syncing for a while, or if everyone who was peeking calls /leave
|
|
// (or /unpeek with a server_name param? or DELETE /peek?)
|
|
// on the peeked room.
|
|
|
|
return util.JSONResponse{
|
|
Code: http.StatusOK,
|
|
// TODO: Put the response struct somewhere internal.
|
|
JSON: struct {
|
|
RoomID string `json:"room_id"`
|
|
}{peekRes.RoomID},
|
|
}
|
|
}
|