82 lines
2.6 KiB
Go
82 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 perform
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
fsAPI "github.com/matrix-org/dendrite/federationapi/api"
|
|
"github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/dendrite/roomserver/internal/input"
|
|
"github.com/matrix-org/dendrite/setup/config"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/matrix-org/gomatrixserverlib/spec"
|
|
)
|
|
|
|
type Unpeeker struct {
|
|
ServerName spec.ServerName
|
|
Cfg *config.RoomServer
|
|
FSAPI fsAPI.RoomserverFederationAPI
|
|
Inputer *input.Inputer
|
|
}
|
|
|
|
// PerformUnpeek handles un-peeking matrix rooms, including over federation by talking to the federationapi.
|
|
func (r *Unpeeker) PerformUnpeek(
|
|
ctx context.Context,
|
|
roomID, userID, deviceID string,
|
|
) error {
|
|
// FIXME: there's way too much duplication with performJoin
|
|
_, domain, err := gomatrixserverlib.SplitID('@', userID)
|
|
if err != nil {
|
|
return api.ErrInvalidID{Err: fmt.Errorf("supplied user ID %q in incorrect format", userID)}
|
|
}
|
|
if !r.Cfg.Matrix.IsLocalServerName(domain) {
|
|
return api.ErrInvalidID{Err: fmt.Errorf("user %q does not belong to this homeserver", userID)}
|
|
}
|
|
if strings.HasPrefix(roomID, "!") {
|
|
return r.performUnpeekRoomByID(ctx, roomID, userID, deviceID)
|
|
}
|
|
return api.ErrInvalidID{Err: fmt.Errorf("room ID %q is invalid", roomID)}
|
|
}
|
|
|
|
func (r *Unpeeker) performUnpeekRoomByID(
|
|
_ context.Context,
|
|
roomID, userID, deviceID string,
|
|
) (err error) {
|
|
// Get the domain part of the room ID.
|
|
_, _, err = gomatrixserverlib.SplitID('!', roomID)
|
|
if err != nil {
|
|
return api.ErrInvalidID{Err: fmt.Errorf("room ID %q is invalid: %w", roomID, err)}
|
|
}
|
|
|
|
// TODO: handle federated peeks
|
|
// By this point, if req.RoomIDOrAlias contained an alias, then
|
|
// it will have been overwritten with a room ID by performPeekRoomByAlias.
|
|
// We should now include this in the response so that the CS API can
|
|
// return the right room ID.
|
|
return r.Inputer.OutputProducer.ProduceRoomEvents(roomID, []api.OutputEvent{
|
|
{
|
|
Type: api.OutputTypeRetirePeek,
|
|
RetirePeek: &api.OutputRetirePeek{
|
|
RoomID: roomID,
|
|
UserID: userID,
|
|
DeviceID: deviceID,
|
|
},
|
|
},
|
|
})
|
|
}
|