118 lines
3.7 KiB
Go
118 lines
3.7 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 api
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import (
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"context"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// SendEvents to the roomserver The events are written with KindNew.
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func SendEvents(
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ctx context.Context, rsAPI RoomserverInternalAPI, events []gomatrixserverlib.HeaderedEvent,
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sendAsServer gomatrixserverlib.ServerName, txnID *TransactionID,
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) (string, error) {
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ires := make([]InputRoomEvent, len(events))
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for i, event := range events {
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ires[i] = InputRoomEvent{
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Kind: 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 SendInputRoomEvents(ctx, rsAPI, ires)
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}
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// SendEventWithState writes an event with KindNew to the roomserver
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// with the state at the event as KindOutlier before it. Will not send any event that is
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// marked as `true` in haveEventIDs
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func SendEventWithState(
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ctx context.Context, rsAPI RoomserverInternalAPI, state *gomatrixserverlib.RespState,
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event gomatrixserverlib.HeaderedEvent, haveEventIDs map[string]bool,
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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 []InputRoomEvent
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for _, outlier := range outliers {
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if haveEventIDs[outlier.EventID()] {
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continue
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}
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ires = append(ires, InputRoomEvent{
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Kind: 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, InputRoomEvent{
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Kind: 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 = SendInputRoomEvents(ctx, rsAPI, ires)
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return err
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}
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// SendInputRoomEvents to the roomserver.
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func SendInputRoomEvents(
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ctx context.Context, rsAPI RoomserverInternalAPI, ires []InputRoomEvent,
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) (eventID string, err error) {
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request := InputRoomEventsRequest{InputRoomEvents: ires}
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var response InputRoomEventsResponse
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err = 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 event to the roomserver.
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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 SendInvite(
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ctx context.Context,
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rsAPI RoomserverInternalAPI, inviteEvent gomatrixserverlib.HeaderedEvent,
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inviteRoomState []gomatrixserverlib.InviteV2StrippedState,
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sendAsServer gomatrixserverlib.ServerName, txnID *TransactionID,
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) *PerformError {
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request := PerformInviteRequest{
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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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var response PerformInviteResponse
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rsAPI.PerformInvite(ctx, &request, &response)
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// we need to do this because many places people will use `var err error` as the return
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// arg and a nil interface != nil pointer to a concrete interface (in this case PerformError)
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if response.Error != nil && response.Error.Msg != "" {
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return response.Error
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}
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return nil
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}
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