mirror of
https://github.com/matrix-org/dendrite
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* Add new endpoint to allow admins to evacuate the local server from the room * Guard endpoint * Use right prefix * Auth API * More useful return error rather than a panic * More useful return value again * Update the path * Try using inputer instead * oh provide the config * Try that again * Return affected user IDs * Don't create so many forward extremities * Add missing `Path` to name Co-authored-by: Till <2353100+S7evinK@users.noreply.github.com>
162 lines
4.6 KiB
Go
162 lines
4.6 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package perform
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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"github.com/matrix-org/dendrite/internal/eventutil"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/internal/input"
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"github.com/matrix-org/dendrite/roomserver/internal/query"
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"github.com/matrix-org/dendrite/roomserver/storage"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Admin struct {
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DB storage.Database
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Cfg *config.RoomServer
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Queryer *query.Queryer
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Inputer *input.Inputer
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}
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// PerformEvacuateRoom will remove all local users from the given room.
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func (r *Admin) PerformAdminEvacuateRoom(
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ctx context.Context,
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req *api.PerformAdminEvacuateRoomRequest,
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res *api.PerformAdminEvacuateRoomResponse,
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) {
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roomInfo, err := r.DB.RoomInfo(ctx, req.RoomID)
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if err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("r.DB.RoomInfo: %s", err),
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}
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return
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}
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if roomInfo == nil || roomInfo.IsStub {
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res.Error = &api.PerformError{
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Code: api.PerformErrorNoRoom,
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Msg: fmt.Sprintf("Room %s not found", req.RoomID),
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}
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return
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}
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memberNIDs, err := r.DB.GetMembershipEventNIDsForRoom(ctx, roomInfo.RoomNID, true, true)
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if err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("r.DB.GetMembershipEventNIDsForRoom: %s", err),
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}
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return
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}
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memberEvents, err := r.DB.Events(ctx, memberNIDs)
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if err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("r.DB.Events: %s", err),
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}
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return
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}
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inputEvents := make([]api.InputRoomEvent, 0, len(memberEvents))
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res.Affected = make([]string, 0, len(memberEvents))
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latestReq := &api.QueryLatestEventsAndStateRequest{
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RoomID: req.RoomID,
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}
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latestRes := &api.QueryLatestEventsAndStateResponse{}
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if err = r.Queryer.QueryLatestEventsAndState(ctx, latestReq, latestRes); err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("r.Queryer.QueryLatestEventsAndState: %s", err),
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}
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return
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}
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prevEvents := latestRes.LatestEvents
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for _, memberEvent := range memberEvents {
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if memberEvent.StateKey() == nil {
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continue
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}
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var memberContent gomatrixserverlib.MemberContent
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if err = json.Unmarshal(memberEvent.Content(), &memberContent); err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("json.Unmarshal: %s", err),
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}
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return
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}
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memberContent.Membership = gomatrixserverlib.Leave
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stateKey := *memberEvent.StateKey()
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fledglingEvent := &gomatrixserverlib.EventBuilder{
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RoomID: req.RoomID,
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Type: gomatrixserverlib.MRoomMember,
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StateKey: &stateKey,
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Sender: stateKey,
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PrevEvents: prevEvents,
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}
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if fledglingEvent.Content, err = json.Marshal(memberContent); err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("json.Marshal: %s", err),
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}
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return
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}
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eventsNeeded, err := gomatrixserverlib.StateNeededForEventBuilder(fledglingEvent)
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if err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("gomatrixserverlib.StateNeededForEventBuilder: %s", err),
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}
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return
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}
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event, err := eventutil.BuildEvent(ctx, fledglingEvent, r.Cfg.Matrix, time.Now(), &eventsNeeded, latestRes)
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if err != nil {
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res.Error = &api.PerformError{
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Code: api.PerformErrorBadRequest,
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Msg: fmt.Sprintf("eventutil.BuildEvent: %s", err),
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}
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return
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}
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inputEvents = append(inputEvents, api.InputRoomEvent{
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Kind: api.KindNew,
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Event: event,
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Origin: r.Cfg.Matrix.ServerName,
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SendAsServer: string(r.Cfg.Matrix.ServerName),
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})
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res.Affected = append(res.Affected, stateKey)
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prevEvents = []gomatrixserverlib.EventReference{
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event.EventReference(),
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}
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}
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inputReq := &api.InputRoomEventsRequest{
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InputRoomEvents: inputEvents,
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Asynchronous: true,
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}
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inputRes := &api.InputRoomEventsResponse{}
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r.Inputer.InputRoomEvents(ctx, inputReq, inputRes)
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}
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