重定向用户不允许某个文件夹按角色转到另一个/ controller / Action

时间:2012-11-19 14:52:34

标签: asp.net-mvc asp.net-membership roles

如果会员用户尝试访问特定文件夹并且角色现在允许,系统将重定向到/ Account / Index并再次请求登录和密码。

我想更改该行为,因为用户已经登录,我只想重定向到另一个/控制器/操作。

我能从这里得到一些帮助吗? 提前谢谢。

1 个答案:

答案 0 :(得分:0)

我在所有的Web应用程序中都做了类似的事情。如果用户已经过身份验证,但不满足查看页面的安全要求,则会抛出HTTP 403异常,然后显示403异常的特定视图。

这是我的自定义授权属性的代码段:

protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext) {
    if (filterContext.HttpContext.Request.IsAuthenticated) {
        //If the user is authenticated, but not authorized to view the requested page (i.e. not a member of the correct group), return an HTTP 403 exception.
        throw new HttpException(403, string.Format("The user {0} was not authorized to view the following page: {1}", filterContext.HttpContext.User.Identity.Name, filterContext.HttpContext.Request.Url));
    } else {
        base.HandleUnauthorizedRequest(filterContext);
    }
}

以下是我的Global.asax的片段,其中我实际执行了视图响应(这假定存在ErrorController,然后是名为Error403的视图:

protected void Application_Error() {
    var exception = Server.GetLastError();
    var httpException = exception as HttpException;

    Response.Clear();
    Server.ClearError();

    var routeData = new RouteData();
    routeData.Values["controller"] = "Error";
    routeData.Values["action"] = "Error500";

    Response.StatusCode = 500;
    Response.TrySkipIisCustomErrors = true;

    if (httpException != null) {
        Response.StatusCode = httpException.GetHttpCode();
        switch (Response.StatusCode) {
            case 403:
                routeData.Values["action"] = "Error403";
                break;
            case 404:
                routeData.Values["action"] = "Error404";
                routeData.Values["message"] = httpException.Message;
                break;
            case 500:
                routeData.Values["action"] = "Error500";
                break;
        }
    }

    IController errorsController = new ErrorController();
    var rc = new RequestContext(new HttpContextWrapper(Context), routeData);
    errorsController.Execute(rc);
}