Пример #1
0
func (wh webSocketHandler) ServeWebSocket(conn *app.WebConn, r *model.WebSocketRequest) {
	l4g.Debug("/api/v3/users/websocket:%s", r.Action)

	session, sessionErr := app.GetSession(conn.SessionToken)
	if sessionErr != nil {
		l4g.Error(utils.T("api.web_socket_handler.log.error"), "/api/v3/users/websocket", r.Action, r.Seq, conn.UserId, sessionErr.SystemMessage(utils.T), sessionErr.Error())
		sessionErr.DetailedError = ""
		errResp := model.NewWebSocketError(r.Seq, sessionErr)
		errResp.DoPreComputeJson()

		conn.Send <- errResp
		return
	}

	r.Session = *session
	r.T = conn.T
	r.Locale = conn.Locale

	var data map[string]interface{}
	var err *model.AppError

	if data, err = wh.handlerFunc(r); err != nil {
		l4g.Error(utils.T("api.web_socket_handler.log.error"), "/api/v3/users/websocket", r.Action, r.Seq, r.Session.UserId, err.SystemMessage(utils.T), err.DetailedError)
		err.DetailedError = ""
		errResp := model.NewWebSocketError(r.Seq, err)
		errResp.DoPreComputeJson()

		conn.Send <- errResp
		return
	}

	resp := model.NewWebSocketResponse(model.STATUS_OK, r.Seq, data)
	resp.DoPreComputeJson()

	conn.Send <- resp
}
Пример #2
0
func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	now := time.Now()
	l4g.Debug("%v", r.URL.Path)

	c := &Context{}
	c.T, c.Locale = utils.GetTranslationsAndLocale(w, r)
	c.RequestId = model.NewId()
	c.IpAddress = utils.GetIpAddress(r)
	c.TeamId = mux.Vars(r)["team_id"]

	token := ""
	isTokenFromQueryString := false

	// Attempt to parse token out of the header
	authHeader := r.Header.Get(model.HEADER_AUTH)
	if len(authHeader) > 6 && strings.ToUpper(authHeader[0:6]) == model.HEADER_BEARER {
		// Default session token
		token = authHeader[7:]

	} else if len(authHeader) > 5 && strings.ToLower(authHeader[0:5]) == model.HEADER_TOKEN {
		// OAuth token
		token = authHeader[6:]
	}

	// Attempt to parse the token from the cookie
	if len(token) == 0 {
		if cookie, err := r.Cookie(model.SESSION_COOKIE_TOKEN); err == nil {
			token = cookie.Value

			if (h.requireSystemAdmin || h.requireUser) && !h.trustRequester {
				if r.Header.Get(model.HEADER_REQUESTED_WITH) != model.HEADER_REQUESTED_WITH_XML {
					c.Err = model.NewLocAppError("ServeHTTP", "api.context.session_expired.app_error", nil, "token="+token+" Appears to be a CSRF attempt")
					token = ""
				}
			}
		}
	}

	// Attempt to parse token out of the query string
	if len(token) == 0 {
		token = r.URL.Query().Get("access_token")
		isTokenFromQueryString = true
	}

	if utils.GetSiteURL() == "" {
		protocol := GetProtocol(r)
		c.SetSiteURL(protocol + "://" + r.Host)
	}

	w.Header().Set(model.HEADER_REQUEST_ID, c.RequestId)
	w.Header().Set(model.HEADER_VERSION_ID, fmt.Sprintf("%v.%v.%v", model.CurrentVersion, model.BuildNumber, utils.CfgHash))
	if einterfaces.GetClusterInterface() != nil {
		w.Header().Set(model.HEADER_CLUSTER_ID, einterfaces.GetClusterInterface().GetClusterId())
	}

	// Instruct the browser not to display us in an iframe unless is the same origin for anti-clickjacking
	if !h.isApi {
		w.Header().Set("X-Frame-Options", "SAMEORIGIN")
		w.Header().Set("Content-Security-Policy", "frame-ancestors 'self'")
	} else {
		// All api response bodies will be JSON formatted by default
		w.Header().Set("Content-Type", "application/json")

		if r.Method == "GET" {
			w.Header().Set("Expires", "0")
		}
	}

	if len(token) != 0 {
		session, err := app.GetSession(token)

		if err != nil {
			l4g.Error(utils.T("api.context.invalid_session.error"), err.Error())
			c.RemoveSessionCookie(w, r)
			if h.requireUser || h.requireSystemAdmin {
				c.Err = model.NewLocAppError("ServeHTTP", "api.context.session_expired.app_error", nil, "token="+token)
				c.Err.StatusCode = http.StatusUnauthorized
			}
		} else if !session.IsOAuth && isTokenFromQueryString {
			c.Err = model.NewLocAppError("ServeHTTP", "api.context.token_provided.app_error", nil, "token="+token)
			c.Err.StatusCode = http.StatusUnauthorized
		} else {
			c.Session = *session
		}
	}

	if h.isApi || h.isTeamIndependent {
		c.setTeamURL(c.GetSiteURL(), false)
		c.Path = r.URL.Path
	} else {
		splitURL := strings.Split(r.URL.Path, "/")
		c.setTeamURL(c.GetSiteURL()+"/"+splitURL[1], true)
		c.Path = "/" + strings.Join(splitURL[2:], "/")
	}

	if c.Err == nil && h.requireUser {
		c.UserRequired()
	}

	if c.Err == nil && h.requireMfa {
		c.MfaRequired()
	}

	if c.Err == nil && h.requireSystemAdmin {
		c.SystemAdminRequired()
	}

	if c.Err == nil && h.isUserActivity && token != "" && len(c.Session.UserId) > 0 {
		app.SetStatusOnline(c.Session.UserId, c.Session.Id, false)
	}

	if c.Err == nil && (h.requireUser || h.requireSystemAdmin) {
		//check if teamId exist
		c.CheckTeamId()
	}

	if c.Err == nil {
		h.handleFunc(c, w, r)
	}

	// Handle errors that have occoured
	if c.Err != nil {
		c.Err.Translate(c.T)
		c.Err.RequestId = c.RequestId
		c.LogError(c.Err)
		c.Err.Where = r.URL.Path

		// Block out detailed error when not in developer mode
		if !*utils.Cfg.ServiceSettings.EnableDeveloper {
			c.Err.DetailedError = ""
		}

		if h.isApi {
			w.WriteHeader(c.Err.StatusCode)
			w.Write([]byte(c.Err.ToJson()))

			if einterfaces.GetMetricsInterface() != nil {
				einterfaces.GetMetricsInterface().IncrementHttpError()
			}
		} else {
			if c.Err.StatusCode == http.StatusUnauthorized {
				http.Redirect(w, r, c.GetTeamURL()+"/?redirect="+url.QueryEscape(r.URL.Path), http.StatusTemporaryRedirect)
			} else {
				RenderWebError(c.Err, w, r)
			}
		}

	}

	if h.isApi && einterfaces.GetMetricsInterface() != nil {
		einterfaces.GetMetricsInterface().IncrementHttpRequest()

		if r.URL.Path != model.API_URL_SUFFIX+"/users/websocket" {
			elapsed := float64(time.Since(now)) / float64(time.Second)
			einterfaces.GetMetricsInterface().ObserveHttpRequestDuration(elapsed)
		}
	}
}