103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
// Copyright 2020 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 producers
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import (
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"context"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// RoomserverProducer produces events for the roomserver to consume.
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type RoomserverProducer struct {
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InputAPI api.RoomserverInternalAPI
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serverName gomatrixserverlib.ServerName
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}
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// NewRoomserverProducer creates a new RoomserverProducer
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func NewRoomserverProducer(
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rsAPI api.RoomserverInternalAPI, serverName gomatrixserverlib.ServerName,
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) *RoomserverProducer {
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return &RoomserverProducer{
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InputAPI: rsAPI,
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serverName: serverName,
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}
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}
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// SendInviteResponse drops an invite response back into the roomserver so that users
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// already in the room will be notified of the new invite. The invite response is signed
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// by the remote side.
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func (c *RoomserverProducer) SendInviteResponse(
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ctx context.Context, res gomatrixserverlib.RespInviteV2, roomVersion gomatrixserverlib.RoomVersion,
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) (string, error) {
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ev := res.Event.Headered(roomVersion)
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ire := api.InputRoomEvent{
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Kind: api.KindNew,
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Event: ev,
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AuthEventIDs: ev.AuthEventIDs(),
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SendAsServer: string(c.serverName),
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TransactionID: nil,
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}
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return c.SendInputRoomEvents(ctx, []api.InputRoomEvent{ire})
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}
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// SendEventWithState writes an event with KindNew to the roomserver input log
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// with the state at the event as KindOutlier before it.
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func (c *RoomserverProducer) SendEventWithState(
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ctx context.Context, state gomatrixserverlib.RespState, event gomatrixserverlib.HeaderedEvent,
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) error {
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outliers, err := state.Events()
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if err != nil {
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return err
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}
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var ires []api.InputRoomEvent
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for _, outlier := range outliers {
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ires = append(ires, api.InputRoomEvent{
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Kind: api.KindOutlier,
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Event: outlier.Headered(event.RoomVersion),
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AuthEventIDs: outlier.AuthEventIDs(),
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})
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}
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stateEventIDs := make([]string, len(state.StateEvents))
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for i := range state.StateEvents {
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stateEventIDs[i] = state.StateEvents[i].EventID()
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}
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ires = append(ires, api.InputRoomEvent{
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Kind: api.KindNew,
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Event: event,
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AuthEventIDs: event.AuthEventIDs(),
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HasState: true,
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StateEventIDs: stateEventIDs,
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})
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_, err = c.SendInputRoomEvents(ctx, ires)
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return err
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}
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// SendInputRoomEvents writes the given input room events to the roomserver input API.
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func (c *RoomserverProducer) SendInputRoomEvents(
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ctx context.Context, ires []api.InputRoomEvent,
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) (eventID string, err error) {
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request := api.InputRoomEventsRequest{InputRoomEvents: ires}
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var response api.InputRoomEventsResponse
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err = c.InputAPI.InputRoomEvents(ctx, &request, &response)
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eventID = response.EventID
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return
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}
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