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// 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/gomatrixserverlib"
"github.com/matrix-org/util"
)
func PeekRoomByIDOrAlias(
req *http.Request,
device *api.Device,
rsAPI roomserverAPI.ClientRoomserverAPI,
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},
}
}
func UnpeekRoomByID(
req *http.Request,
device *api.Device,
rsAPI roomserverAPI.ClientRoomserverAPI,
roomID string,
) util.JSONResponse {
unpeekReq := roomserverAPI.PerformUnpeekRequest{
RoomID: roomID,
UserID: device.UserID,
DeviceID: device.ID,
}
unpeekRes := roomserverAPI.PerformUnpeekResponse{}
rsAPI.PerformUnpeek(req.Context(), &unpeekReq, &unpeekRes)
if unpeekRes.Error != nil {
return unpeekRes.Error.JSONResponse()
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
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