Files
mattermost/app/websocket_router.go
Ibrahim Serdar Acikgoz 5ea06e51d0 Migrate to stateless app.App (#17542)
* add request context

* move initialialization to server

* use app interface instead of global app functions

* remove app context from webconn

* cleanup

* remove duplicated services

* move context to separate package

* remove finalize init method and move content to NewServer function

* restart workers and schedulers after adding license for tests

* reflect review comments

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
2021-05-11 13:00:44 +03:00

117 lines
2.9 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"net/http"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/shared/i18n"
"github.com/mattermost/mattermost-server/v5/shared/mlog"
)
type webSocketHandler interface {
ServeWebSocket(*WebConn, *model.WebSocketRequest)
}
type WebSocketRouter struct {
app *App
handlers map[string]webSocketHandler
}
func (wr *WebSocketRouter) Handle(action string, handler webSocketHandler) {
wr.handlers[action] = handler
}
func (wr *WebSocketRouter) ServeWebSocket(conn *WebConn, r *model.WebSocketRequest) {
if r.Action == "" {
err := model.NewAppError("ServeWebSocket", "api.web_socket_router.no_action.app_error", nil, "", http.StatusBadRequest)
returnWebSocketError(wr.app, conn, r, err)
return
}
if r.Seq <= 0 {
err := model.NewAppError("ServeWebSocket", "api.web_socket_router.bad_seq.app_error", nil, "", http.StatusBadRequest)
returnWebSocketError(wr.app, conn, r, err)
return
}
if r.Action == model.WEBSOCKET_AUTHENTICATION_CHALLENGE {
if conn.GetSessionToken() != "" {
return
}
token, ok := r.Data["token"].(string)
if !ok {
conn.WebSocket.Close()
return
}
session, err := wr.app.GetSession(token)
if err != nil {
conn.WebSocket.Close()
return
}
conn.SetSession(session)
conn.SetSessionToken(session.Token)
conn.UserId = session.UserId
// TODO: Same logic to reconnect queue as api4/websocket.go
wr.app.HubRegister(conn)
wr.app.Srv().Go(func() {
wr.app.SetStatusOnline(session.UserId, false)
wr.app.UpdateLastActivityAtIfNeeded(*session)
})
resp := model.NewWebSocketResponse(model.STATUS_OK, r.Seq, nil)
hub := wr.app.GetHubForUserId(conn.UserId)
if hub == nil {
return
}
hub.SendMessage(conn, resp)
return
}
if !conn.IsAuthenticated() {
err := model.NewAppError("ServeWebSocket", "api.web_socket_router.not_authenticated.app_error", nil, "", http.StatusUnauthorized)
returnWebSocketError(wr.app, conn, r, err)
return
}
handler, ok := wr.handlers[r.Action]
if !ok {
err := model.NewAppError("ServeWebSocket", "api.web_socket_router.bad_action.app_error", nil, "", http.StatusInternalServerError)
returnWebSocketError(wr.app, conn, r, err)
return
}
handler.ServeWebSocket(conn, r)
}
func returnWebSocketError(app *App, conn *WebConn, r *model.WebSocketRequest, err *model.AppError) {
logF := mlog.Error
if err.StatusCode >= http.StatusBadRequest && err.StatusCode < http.StatusInternalServerError {
logF = mlog.Debug
}
logF(
"websocket routing error.",
mlog.Int64("seq", r.Seq),
mlog.String("user_id", conn.UserId),
mlog.String("system_message", err.SystemMessage(i18n.T)),
mlog.Err(err),
)
hub := app.GetHubForUserId(conn.UserId)
if hub == nil {
return
}
err.DetailedError = ""
errorResp := model.NewWebSocketError(r.Seq, err)
hub.SendMessage(conn, errorResp)
}