dendrite/clientapi/routing/presence.go

129 lines
3.3 KiB
Go

// Copyright 2024 New Vector Ltd.
// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
package routing
import (
"fmt"
"net/http"
"strconv"
"time"
"github.com/element-hq/dendrite/clientapi/httputil"
"github.com/element-hq/dendrite/clientapi/producers"
"github.com/element-hq/dendrite/setup/config"
"github.com/element-hq/dendrite/setup/jetstream"
"github.com/element-hq/dendrite/syncapi/types"
"github.com/element-hq/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
"github.com/nats-io/nats.go"
log "github.com/sirupsen/logrus"
)
type presenceReq struct {
Presence string `json:"presence"`
StatusMsg *string `json:"status_msg,omitempty"`
}
func SetPresence(
req *http.Request,
cfg *config.ClientAPI,
device *api.Device,
producer *producers.SyncAPIProducer,
userID string,
) util.JSONResponse {
if !cfg.Matrix.Presence.EnableOutbound {
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
if device.UserID != userID {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden("Unable to set presence for other user."),
}
}
var presence presenceReq
parseErr := httputil.UnmarshalJSONRequest(req, &presence)
if parseErr != nil {
return *parseErr
}
presenceStatus, ok := types.PresenceFromString(presence.Presence)
if !ok {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.Unknown(fmt.Sprintf("Unknown presence '%s'.", presence.Presence)),
}
}
err := producer.SendPresence(req.Context(), userID, presenceStatus, presence.StatusMsg)
if err != nil {
log.WithError(err).Errorf("failed to update presence")
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
func GetPresence(
req *http.Request,
device *api.Device,
natsClient *nats.Conn,
presenceTopic string,
userID string,
) util.JSONResponse {
msg := nats.NewMsg(presenceTopic)
msg.Header.Set(jetstream.UserID, userID)
presence, err := natsClient.RequestMsg(msg, time.Second*10)
if err != nil {
log.WithError(err).Errorf("unable to get presence")
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
statusMsg := presence.Header.Get("status_msg")
e := presence.Header.Get("error")
if e != "" {
log.Errorf("received error msg from nats: %s", e)
return util.JSONResponse{
Code: http.StatusOK,
JSON: types.PresenceClientResponse{
Presence: types.PresenceUnavailable.String(),
},
}
}
lastActive, err := strconv.Atoi(presence.Header.Get("last_active_ts"))
if err != nil {
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
p := types.PresenceInternal{LastActiveTS: spec.Timestamp(lastActive)}
currentlyActive := p.CurrentlyActive()
return util.JSONResponse{
Code: http.StatusOK,
JSON: types.PresenceClientResponse{
CurrentlyActive: &currentlyActive,
LastActiveAgo: p.LastActiveAgo(),
Presence: presence.Header.Get("presence"),
StatusMsg: &statusMsg,
},
}
}