dendrite/eduserver/input/input.go
S7evinK 2771d93748
Remove OutputKeyChangeEvent consumer on keyserver (#2160)
* Remove keyserver consumer

* Remove keyserver from eduserver

* Directly upload device keys without eduserver

* Add passing tests
2022-02-08 18:13:38 +01:00

199 lines
5.8 KiB
Go

// Copyright 2017 Vector Creations Ltd
// Copyright 2017-2018 New Vector Ltd
// Copyright 2019-2020 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 input
import (
"context"
"encoding/json"
"time"
"github.com/matrix-org/dendrite/eduserver/api"
"github.com/matrix-org/dendrite/eduserver/cache"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
)
// EDUServerInputAPI implements api.EDUServerInputAPI
type EDUServerInputAPI struct {
// Cache to store the current typing members in each room.
Cache *cache.EDUCache
// The kafka topic to output new typing events to.
OutputTypingEventTopic string
// The kafka topic to output new send to device events to.
OutputSendToDeviceEventTopic string
// The kafka topic to output new receipt events to
OutputReceiptEventTopic string
// kafka producer
JetStream nats.JetStreamContext
// Internal user query API
UserAPI userapi.UserInternalAPI
// our server name
ServerName gomatrixserverlib.ServerName
}
// InputTypingEvent implements api.EDUServerInputAPI
func (t *EDUServerInputAPI) InputTypingEvent(
ctx context.Context,
request *api.InputTypingEventRequest,
response *api.InputTypingEventResponse,
) error {
ite := &request.InputTypingEvent
if ite.Typing {
// user is typing, update our current state of users typing.
expireTime := ite.OriginServerTS.Time().Add(
time.Duration(ite.TimeoutMS) * time.Millisecond,
)
t.Cache.AddTypingUser(ite.UserID, ite.RoomID, &expireTime)
} else {
t.Cache.RemoveUser(ite.UserID, ite.RoomID)
}
return t.sendTypingEvent(ite)
}
// InputTypingEvent implements api.EDUServerInputAPI
func (t *EDUServerInputAPI) InputSendToDeviceEvent(
ctx context.Context,
request *api.InputSendToDeviceEventRequest,
response *api.InputSendToDeviceEventResponse,
) error {
ise := &request.InputSendToDeviceEvent
return t.sendToDeviceEvent(ise)
}
func (t *EDUServerInputAPI) sendTypingEvent(ite *api.InputTypingEvent) error {
ev := &api.TypingEvent{
Type: gomatrixserverlib.MTyping,
RoomID: ite.RoomID,
UserID: ite.UserID,
Typing: ite.Typing,
}
ote := &api.OutputTypingEvent{
Event: *ev,
}
if ev.Typing {
expireTime := ite.OriginServerTS.Time().Add(
time.Duration(ite.TimeoutMS) * time.Millisecond,
)
ote.ExpireTime = &expireTime
}
eventJSON, err := json.Marshal(ote)
if err != nil {
return err
}
logrus.WithFields(logrus.Fields{
"room_id": ite.RoomID,
"user_id": ite.UserID,
"typing": ite.Typing,
}).Tracef("Producing to topic '%s'", t.OutputTypingEventTopic)
_, err = t.JetStream.PublishMsg(&nats.Msg{
Subject: t.OutputTypingEventTopic,
Header: nats.Header{},
Data: eventJSON,
})
return err
}
func (t *EDUServerInputAPI) sendToDeviceEvent(ise *api.InputSendToDeviceEvent) error {
devices := []string{}
_, domain, err := gomatrixserverlib.SplitID('@', ise.UserID)
if err != nil {
return err
}
// If the event is targeted locally then we want to expand the wildcard
// out into individual device IDs so that we can send them to each respective
// device. If the event isn't targeted locally then we can't expand the
// wildcard as we don't know about the remote devices, so instead we leave it
// as-is, so that the federation sender can send it on with the wildcard intact.
if domain == t.ServerName && ise.DeviceID == "*" {
var res userapi.QueryDevicesResponse
err = t.UserAPI.QueryDevices(context.TODO(), &userapi.QueryDevicesRequest{
UserID: ise.UserID,
}, &res)
if err != nil {
return err
}
for _, dev := range res.Devices {
devices = append(devices, dev.ID)
}
} else {
devices = append(devices, ise.DeviceID)
}
logrus.WithFields(logrus.Fields{
"user_id": ise.UserID,
"num_devices": len(devices),
"type": ise.Type,
}).Tracef("Producing to topic '%s'", t.OutputSendToDeviceEventTopic)
for _, device := range devices {
ote := &api.OutputSendToDeviceEvent{
UserID: ise.UserID,
DeviceID: device,
SendToDeviceEvent: ise.SendToDeviceEvent,
}
eventJSON, err := json.Marshal(ote)
if err != nil {
logrus.WithError(err).Error("sendToDevice failed json.Marshal")
return err
}
if _, err = t.JetStream.PublishMsg(&nats.Msg{
Subject: t.OutputSendToDeviceEventTopic,
Data: eventJSON,
}); err != nil {
logrus.WithError(err).Error("sendToDevice failed t.Producer.SendMessage")
return err
}
}
return nil
}
// InputReceiptEvent implements api.EDUServerInputAPI
// TODO: Intelligently batch requests sent by the same user (e.g wait a few milliseconds before emitting output events)
func (t *EDUServerInputAPI) InputReceiptEvent(
ctx context.Context,
request *api.InputReceiptEventRequest,
response *api.InputReceiptEventResponse,
) error {
logrus.WithFields(logrus.Fields{}).Tracef("Producing to topic '%s'", t.OutputReceiptEventTopic)
output := &api.OutputReceiptEvent{
UserID: request.InputReceiptEvent.UserID,
RoomID: request.InputReceiptEvent.RoomID,
EventID: request.InputReceiptEvent.EventID,
Type: request.InputReceiptEvent.Type,
Timestamp: request.InputReceiptEvent.Timestamp,
}
js, err := json.Marshal(output)
if err != nil {
return err
}
_, err = t.JetStream.PublishMsg(&nats.Msg{
Subject: t.OutputReceiptEventTopic,
Data: js,
})
return err
}