Example #1
0
// WebsocketHandler handles an incoming WebSocket and dispatches to the correct
// handler based on whether the user is authenticated and whether the session
// he's viewing belongs to him.
func WebsocketHandler(s *websocket.Conn, dbStore *Store, sessionStore sessions.Store, redisAddr string) {
	StatCount("websocket", 1)
	xlog.Infof("WebsocketHandler: opened connection")
	r := s.Request()
	session, err := sessionStore.Get(r, SESSIONNAME)
	if err != nil {
		xlog.Debugf("Getting session failed: %v", err)
		StatCount("getting session failed", 1)
		return
	}

	sessionData := struct {
		SessionID string `json:"session_id"`
	}{}

	if err := websocket.JSON.Receive(s, &sessionData); err != nil {
		xlog.Errorf("WebsocketHandler: JSON.Receive failed: %v", err)
		return
	}

	owner, sessionID, err := dbStore.GetOwnerForSession(sessionData.SessionID)
	if err != nil {
		xlog.Errorf("GetOwnerForSession failed: %v", err)
		return
	}

	if session.Values["userID"] == nil {
		xlog.Errorf("WebsocketHandler is not authenticated -> slave handler")
		slaveHandler(s, sessionID, dbStore, redisAddr)
	} else if owner == session.Values["userID"].(int) {
		xlog.Infof("WebSocketHandler owner matches -> master handler")
		masterHandler(s, sessionID, dbStore, redisAddr)
	} else {
		xlog.Infof("WebSocketHandler owner doesn't match -> slave handler")
		slaveHandler(s, sessionID, dbStore, redisAddr)
	}
}
Example #2
0
func VerifyXSRFToken(w http.ResponseWriter, r *http.Request, sessionStore sessions.Store, secureCookie *securecookie.SecureCookie) bool {
	xsrftoken := r.Header.Get(XSRFTOKENHEADER)
	userID := ""

	err := secureCookie.Decode(XSRFTOKEN, xsrftoken, &userID)
	if err == nil {
		session, _ := sessionStore.Get(r, SESSIONNAME)

		if userID != "" && userID == session.Values["username"].(string) {
			xlog.Infof("XSRF verification success for user %s", session.Values["username"].(string))
			return true
		}
		xlog.Errorf("XSRF issue: userID = %s session = %s", userID, session.Values["username"].(string))
	}

	xlog.Errorf("XSRF verification failed: %v (Request: %#v", err, *r)
	http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
	StatCount("XSRF verification failed", 1)
	return false
}