120 lines
3.9 KiB
Go
120 lines
3.9 KiB
Go
// Copyright 2017 Vector Creations Ltd
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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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RsAPI api.RoomserverInternalAPI
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}
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// NewRoomserverProducer creates a new RoomserverProducer
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func NewRoomserverProducer(rsAPI api.RoomserverInternalAPI) *RoomserverProducer {
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return &RoomserverProducer{
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RsAPI: rsAPI,
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}
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}
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// SendEvents writes the given events to the roomserver input log. The events are written with KindNew.
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func (c *RoomserverProducer) SendEvents(
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ctx context.Context, events []gomatrixserverlib.HeaderedEvent, sendAsServer gomatrixserverlib.ServerName,
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txnID *api.TransactionID,
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) (string, error) {
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ires := make([]api.InputRoomEvent, len(events))
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for i, event := range events {
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ires[i] = 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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SendAsServer: string(sendAsServer),
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TransactionID: txnID,
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}
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}
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return c.SendInputRoomEvents(ctx, ires)
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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.RsAPI.InputRoomEvents(ctx, &request, &response)
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eventID = response.EventID
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return
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}
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// SendInvite writes the invite event to the roomserver input API.
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// This should only be needed for invite events that occur outside of a known room.
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// If we are in the room then the event should be sent using the SendEvents method.
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func (c *RoomserverProducer) SendInvite(
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ctx context.Context, inviteEvent gomatrixserverlib.HeaderedEvent,
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inviteRoomState []gomatrixserverlib.InviteV2StrippedState,
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sendAsServer gomatrixserverlib.ServerName, txnID *api.TransactionID,
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) error {
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request := api.InputRoomEventsRequest{
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InputInviteEvents: []api.InputInviteEvent{{
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Event: inviteEvent,
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InviteRoomState: inviteRoomState,
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RoomVersion: inviteEvent.RoomVersion,
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SendAsServer: string(sendAsServer),
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TransactionID: txnID,
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}},
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}
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var response api.InputRoomEventsResponse
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return c.RsAPI.InputRoomEvents(ctx, &request, &response)
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}
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