mirror of
https://github.com/matrix-org/dendrite.git
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101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
// Copyright 2017 Vector Creations Ltd
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// Copyright 2017-2018 New Vector Ltd
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// Copyright 2019-2020 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 input
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import (
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"context"
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"encoding/json"
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"time"
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"github.com/matrix-org/dendrite/eduserver/api"
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"github.com/matrix-org/dendrite/eduserver/cache"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/nats-io/nats.go"
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"github.com/sirupsen/logrus"
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)
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// EDUServerInputAPI implements api.EDUServerInputAPI
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type EDUServerInputAPI struct {
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// Cache to store the current typing members in each room.
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Cache *cache.EDUCache
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// The kafka topic to output new typing events to.
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OutputTypingEventTopic string
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// kafka producer
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JetStream nats.JetStreamContext
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// Internal user query API
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UserAPI userapi.UserInternalAPI
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// our server name
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ServerName gomatrixserverlib.ServerName
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}
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// InputTypingEvent implements api.EDUServerInputAPI
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func (t *EDUServerInputAPI) InputTypingEvent(
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ctx context.Context,
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request *api.InputTypingEventRequest,
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response *api.InputTypingEventResponse,
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) error {
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ite := &request.InputTypingEvent
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if ite.Typing {
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// user is typing, update our current state of users typing.
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expireTime := ite.OriginServerTS.Time().Add(
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time.Duration(ite.TimeoutMS) * time.Millisecond,
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)
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t.Cache.AddTypingUser(ite.UserID, ite.RoomID, &expireTime)
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} else {
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t.Cache.RemoveUser(ite.UserID, ite.RoomID)
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}
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return t.sendTypingEvent(ite)
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}
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func (t *EDUServerInputAPI) sendTypingEvent(ite *api.InputTypingEvent) error {
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ev := &api.TypingEvent{
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Type: gomatrixserverlib.MTyping,
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RoomID: ite.RoomID,
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UserID: ite.UserID,
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Typing: ite.Typing,
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}
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ote := &api.OutputTypingEvent{
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Event: *ev,
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}
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if ev.Typing {
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expireTime := ite.OriginServerTS.Time().Add(
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time.Duration(ite.TimeoutMS) * time.Millisecond,
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)
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ote.ExpireTime = &expireTime
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}
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eventJSON, err := json.Marshal(ote)
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if err != nil {
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return err
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}
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logrus.WithFields(logrus.Fields{
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"room_id": ite.RoomID,
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"user_id": ite.UserID,
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"typing": ite.Typing,
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}).Tracef("Producing to topic '%s'", t.OutputTypingEventTopic)
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_, err = t.JetStream.PublishMsg(&nats.Msg{
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Subject: t.OutputTypingEventTopic,
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Header: nats.Header{},
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Data: eventJSON,
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})
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return err
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}
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