示例#1
0
func runDelayedHandler(w http.ResponseWriter, r *http.Request) {
	h := context.GetDelayedHandler(r)
	if h != nil {
		h.ServeHTTP(w, r)
	}
}
示例#2
0
func (m *appLockMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
	if r.Method == "GET" {
		next(w, r)
		return
	}
	currentHandler := context.GetDelayedHandler(r)
	if currentHandler != nil {
		currentHandlerPtr := reflect.ValueOf(currentHandler).Pointer()
		for _, h := range m.excludedHandlers {
			if reflect.ValueOf(h).Pointer() == currentHandlerPtr {
				next(w, r)
				return
			}
		}
	}
	appName := r.URL.Query().Get(":app")
	if appName == "" {
		appName = r.URL.Query().Get(":appname")
	}
	if appName == "" {
		next(w, r)
		return
	}
	t := context.GetAuthToken(r)
	var owner string
	if t != nil {
		if t.IsAppToken() {
			owner = t.GetAppName()
		} else {
			owner = t.GetUserName()
		}
	}
	_, err := app.GetByName(appName)
	if err == app.ErrAppNotFound {
		context.AddRequestError(r, &errors.HTTP{Code: http.StatusNotFound, Message: err.Error()})
		return
	}
	ok, err := app.AcquireApplicationLockWait(appName, owner, fmt.Sprintf("%s %s", r.Method, r.URL.Path), lockWaitDuration)
	if err != nil {
		context.AddRequestError(r, fmt.Errorf("Error trying to acquire application lock: %s", err))
		return
	}
	if ok {
		defer func() {
			if !context.IsPreventUnlock(r) {
				app.ReleaseApplicationLock(appName)
			}
		}()
		next(w, r)
		return
	}
	a, err := app.GetByName(appName)
	httpErr := &errors.HTTP{Code: http.StatusInternalServerError}
	if err != nil {
		if err == app.ErrAppNotFound {
			httpErr.Code = http.StatusNotFound
			httpErr.Message = err.Error()
		} else {
			httpErr.Message = fmt.Sprintf("Error to get application: %s", err)
		}
	} else {
		httpErr.Code = http.StatusConflict
		if a.Lock.Locked {
			httpErr.Message = fmt.Sprintf("%s", &a.Lock)
		} else {
			httpErr.Message = "Not locked anymore, please try again."
		}
	}
	context.AddRequestError(r, httpErr)
}