重定向在ASP.NET MVC SSL动作过滤器循环 [英] Redirect loop with SSL action filter in ASP.NET MVC

问题描述

我使用的是ActionFilter（见下文）来检测电流控制器/动作与否1.需要SSL，目前正在使用的2 SSL，并相应地重定向。

这本地工作正常（使用IIS 7的虚拟CERT），但一旦我得到它在服务器上，我得到指示无限重定向循环错误。

任何想法？

 公共类SslFilter：ActionFilterAttribute
{
    公共SslFilter（布尔sslRequired）
    {
        SslRequired = sslRequired;
    }    公共BOOL SslRequired {搞定;组; }
    公共覆盖无效OnActionExecuting（ActionExecutingContext filterContext）
    {
        HTT prequestBase REQ = filterContext.HttpContext.Request;
        HTT presponseBase解析度= filterContext.HttpContext.Response;        VAR建设者=新UriBuilder（req.Url）;        如果（SslRequired＆安培;＆安培;！req.IsSecureConnection）
        {
            builder.Scheme = Uri.UriSchemeHttps;
            builder.Port = 443;
            res.Redirect（builder.Uri.ToString（））;        }
        否则，如果（SslRequired＆安培;！＆安培; req.IsSecureConnection）
        {
            builder.Scheme = Uri.UriSchemeHttp;
            builder.Port = 80;
            res.Redirect（builder.Uri.ToString（））;
        }        base.OnActionExecuting（filterContext）;
    }
}
 

Firefox的错误：

  

页面没有正确重定向

  
  

火狐已检测到服务器
  被重定向这个请求
  在某种程度上解决这个永远
  完整的。

  
  

此问题有时可以引起
  通过禁用或拒绝接受
  饼干。

解决方案

尝试更MVCish方式重定向：

  VAR建设者=新UriBuilder（req.Url）;如果（SslRequired＆安培;＆安培;！req.IsSecureConnection）
{
    builder.Scheme = Uri.UriSchemeHttps;
    builder.Port = 443;
    filterContext.Result =新RedirectResult（builder.Uri.ToString（））;
    filterContext.Cancel =真;
}
否则，如果（SslRequired＆安培;！＆安培; req.IsSecureConnection）
{
    builder.Scheme = Uri.UriSchemeHttp;
    builder.Port = 80;
    filterContext.Result =新RedirectResult（builder.Uri.ToString（））;
    filterContext.Cancel =真;
}
其他
{
    base.OnActionExecuting（filterContext）;
}
 

I am using an ActionFilter (see below) to detect whether or not 1. the current controller/action requires SSL and 2. SSL is currently being used, and redirect accordingly.

This works fine locally (using a dummy cert in IIS 7) but once I get it up on the server I get an error indicating an infinite redirect loop.

Any ideas?

 public class SslFilter : ActionFilterAttribute
{
    public SslFilter(bool sslRequired)
    {
        SslRequired = sslRequired;
    }

    public bool SslRequired { get; set; }


    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {
        HttpRequestBase req = filterContext.HttpContext.Request;
        HttpResponseBase res = filterContext.HttpContext.Response;

        var builder = new UriBuilder(req.Url);

        if (SslRequired && !req.IsSecureConnection)
        {
            builder.Scheme = Uri.UriSchemeHttps;
            builder.Port = 443;
            res.Redirect(builder.Uri.ToString());

        }
        else if (!SslRequired && req.IsSecureConnection)
        {
            builder.Scheme = Uri.UriSchemeHttp;
            builder.Port = 80;
            res.Redirect(builder.Uri.ToString());
        }

        base.OnActionExecuting(filterContext);
    }
}

Firefox error:

The page isn't redirecting properly

Firefox has detected that the server is redirecting the request for this address in a way that will never complete.

This problem can sometimes be caused by disabling or refusing to accept cookies.

解决方案

Try redirecting in a more MVCish way:

var builder = new UriBuilder(req.Url);

if (SslRequired && !req.IsSecureConnection)
{
    builder.Scheme = Uri.UriSchemeHttps;
    builder.Port = 443;
    filterContext.Result = new RedirectResult(builder.Uri.ToString());
    filterContext.Cancel = true;
}
else if (!SslRequired && req.IsSecureConnection)
{
    builder.Scheme = Uri.UriSchemeHttp;
    builder.Port = 80;
    filterContext.Result = new RedirectResult(builder.Uri.ToString());
    filterContext.Cancel = true;
}
else 
{
    base.OnActionExecuting(filterContext);
}

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