mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-23 20:21:38 +00:00
103 lines
3.0 KiB
Go
103 lines
3.0 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"
|
|
|
|
"github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/dendrite/roomserver/types"
|
|
"github.com/matrix-org/dendrite/setup/config"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/matrix-org/gomatrixserverlib/fclient"
|
|
"github.com/matrix-org/gomatrixserverlib/spec"
|
|
"github.com/matrix-org/util"
|
|
)
|
|
|
|
// Peek implements the SS /peek API, handling inbound peeks
|
|
func Peek(
|
|
httpReq *http.Request,
|
|
request *fclient.FederationRequest,
|
|
cfg *config.FederationAPI,
|
|
rsAPI api.FederationRoomserverAPI,
|
|
roomID, peekID string,
|
|
remoteVersions []gomatrixserverlib.RoomVersion,
|
|
) util.JSONResponse {
|
|
// TODO: check if we're just refreshing an existing peek by querying the federationapi
|
|
roomVersion, err := rsAPI.QueryRoomVersionForRoom(httpReq.Context(), roomID)
|
|
if err != nil {
|
|
return util.JSONResponse{
|
|
Code: http.StatusInternalServerError,
|
|
JSON: spec.InternalServerError{},
|
|
}
|
|
}
|
|
|
|
// Check that the room that the peeking server is trying to peek is actually
|
|
// one of the room versions that they listed in their supported ?ver= in
|
|
// the peek URL.
|
|
remoteSupportsVersion := false
|
|
for _, v := range remoteVersions {
|
|
if v == roomVersion {
|
|
remoteSupportsVersion = true
|
|
break
|
|
}
|
|
}
|
|
// If it isn't, stop trying to peek the room.
|
|
if !remoteSupportsVersion {
|
|
return util.JSONResponse{
|
|
Code: http.StatusBadRequest,
|
|
JSON: spec.IncompatibleRoomVersion(string(roomVersion)),
|
|
}
|
|
}
|
|
|
|
// TODO: Check history visibility
|
|
|
|
// tell the peeking server to renew every hour
|
|
renewalInterval := int64(60 * 60 * 1000 * 1000)
|
|
|
|
var response api.PerformInboundPeekResponse
|
|
err = rsAPI.PerformInboundPeek(
|
|
httpReq.Context(),
|
|
&api.PerformInboundPeekRequest{
|
|
RoomID: roomID,
|
|
PeekID: peekID,
|
|
ServerName: request.Origin(),
|
|
RenewalInterval: renewalInterval,
|
|
},
|
|
&response,
|
|
)
|
|
if err != nil {
|
|
resErr := util.ErrorResponse(err)
|
|
return resErr
|
|
}
|
|
|
|
if !response.RoomExists {
|
|
return util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
|
|
}
|
|
|
|
respPeek := fclient.RespPeek{
|
|
StateEvents: types.NewEventJSONsFromHeaderedEvents(response.StateEvents),
|
|
AuthEvents: types.NewEventJSONsFromHeaderedEvents(response.AuthChainEvents),
|
|
RoomVersion: response.RoomVersion,
|
|
LatestEvent: response.LatestEvent.PDU,
|
|
RenewalInterval: renewalInterval,
|
|
}
|
|
|
|
return util.JSONResponse{
|
|
Code: http.StatusOK,
|
|
JSON: respPeek,
|
|
}
|
|
}
|