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Add Queryer and Inputer and factor out more RSAPI stuff (#1382)

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* Add Queryer and use embedded structs

* Add Inputer and factor out more RS API stuff

This neatly splits up the RS API based on the functionality it provides,
whilst providing a useful place for code sharing via the `helpers` package.
This commit is contained in:
Kegsay 2020-09-02 17:13:15 +01:00 • committed by GitHub
parent f06637435b
commit 9d9e854fe0
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21 changed files with 292 additions and 185 deletions
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58
roomserver/internal/perform/perform_join.go
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@ -1,3 +1,17 @@
// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 (
@ -12,6 +26,7 @@ import (
"github.com/matrix-org/dendrite/internal/eventutil"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/internal/helpers"
"github.com/matrix-org/dendrite/roomserver/internal/input"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
@ -23,8 +38,7 @@ type Joiner struct {
FSAPI fsAPI.FederationSenderInternalAPI
DB storage.Database
// TODO FIXME: Remove this
RSAPI api.RoomserverInternalAPI
Inputer *input.Inputer
}
// PerformJoin handles joining matrix rooms, including over federation by talking to the federationsender.
@ -201,15 +215,7 @@ func (r *Joiner) performJoinRoomByID(
// locally on the homeserver.
// TODO: Check what happens if the room exists on the server
// but everyone has since left. I suspect it does the wrong thing.
buildRes := api.QueryLatestEventsAndStateResponse{}
event, err := eventutil.BuildEvent(
ctx, // the request context
&eb, // the template join event
r.Cfg.Matrix, // the server configuration
time.Now(), // the event timestamp to use
r.RSAPI, // the roomserver API to use
&buildRes, // the query response
)
event, buildRes, err := buildEvent(ctx, r.DB, r.Cfg.Matrix, &eb)
switch err {
case nil:
@ -241,7 +247,7 @@ func (r *Joiner) performJoinRoomByID(
},
}
inputRes := api.InputRoomEventsResponse{}
if err = r.RSAPI.InputRoomEvents(ctx, &inputReq, &inputRes); err != nil {
if err = r.Inputer.InputRoomEvents(ctx, &inputReq, &inputRes); err != nil {
var notAllowed *gomatrixserverlib.NotAllowed
if errors.As(err, &notAllowed) {
return "", &api.PerformError{
@ -306,3 +312,31 @@ func (r *Joiner) performFederatedJoinRoomByID(
}
return nil
}
func buildEvent(
ctx context.Context, db storage.Database, cfg *config.Global, builder *gomatrixserverlib.EventBuilder,
) (*gomatrixserverlib.HeaderedEvent, *api.QueryLatestEventsAndStateResponse, error) {
eventsNeeded, err := gomatrixserverlib.StateNeededForEventBuilder(builder)
if err != nil {
return nil, nil, fmt.Errorf("gomatrixserverlib.StateNeededForEventBuilder: %w", err)
}
if len(eventsNeeded.Tuples()) == 0 {
return nil, nil, errors.New("expecting state tuples for event builder, got none")
}
var queryRes api.QueryLatestEventsAndStateResponse
err = helpers.QueryLatestEventsAndState(ctx, db, &api.QueryLatestEventsAndStateRequest{
RoomID: builder.RoomID,
StateToFetch: eventsNeeded.Tuples(),
}, &queryRes)
if err != nil {
return nil, nil, fmt.Errorf("QueryLatestEventsAndState: %w", err)
}
ev, err := eventutil.BuildEvent(ctx, builder, cfg, time.Now(), &eventsNeeded, &queryRes)
if err != nil {
return nil, nil, err
}
return ev, &queryRes, nil
}