c# - 调试 ASP.NET 无法使用前导 .. 退出顶级目录

Question

我遇到了可怕的 Cannot use a leading .. to exit above the top directory.

不幸的是，它是在……某处生成的？……超出了我的控制范围。是否有工具可以帮助我找出它的生成位置？甚至超链接的实际文本？也许 intellitrace 不知何故？

是的，有一百万个谷歌搜索结果。我知道我需要修复什么，我只是不知道问题实际发生在哪里。

我尝试覆盖渲染事件，然后在我可以通过从基础遍历控件树找到的每个 HtmlLink 对象上调用 ResolveClientURL，但这绝不会引发异常或做任何错误。它会不会只在 base.render 期间死掉，因为我从 /v5/plugins/dashboard 中的页面调用 ResolveClientURL 并且基页位于 /v5/?

这是我为手动调试而编写的代码。我希望这段代码会引发异常。

  protected override void Render(HtmlTextWriter writer)
  {
    foreach (Control c in base.Controls)
    {
      Trace.Write("New base control");
      var baseParent = c;// findBaseParent(c);
      Trace.Write(baseParent.GetType().ToString());
      renderChillunsRecursive(baseParent, 0);
    }
    base.Render(writer);
  }
  private int total;
  private void renderChillunsRecursive(Control c,int depth)
  {
    var chilluns = c.Controls;
    foreach (Control a in chilluns)
    {
      renderChillunsRecursive(a,depth +1);
      total++;
    }
    string otherString = String.Empty;
    if(c.GetType() == typeof(HtmlLink))
    {
      HtmlLink theLInk = ((HtmlLink) c);
          otherString = theLInk.Href;
      otherString += " - " + theLInk.ResolveClientUrl(theLInk.Href);
    }
    Trace.Write(String.Format("{0} - {1} - {2} - {3} - {4}",depth,total,c.GetType(),c.ToString(),otherString));
  }

堆栈跟踪

[HttpException (0x80004005): Cannot use a leading .. to exit above the top directory.]
   System.Web.Util.UrlPath.ReduceVirtualPath(String path) +8886247
   System.Web.Util.UrlPath.Reduce(String path) +52
   System.Web.Util.UrlPath.Combine(String appPath, String basepath, String relative) +214
   System.Web.UI.Control.ResolveClientUrl(String relativeUrl) +180
   System.Web.UI.HtmlControls.HtmlLink.RenderAttributes(HtmlTextWriter writer) +74
   System.Web.UI.HtmlControls.HtmlLink.Render(HtmlTextWriter writer) +42
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +8703574
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +134
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.HtmlControls.HtmlHead.RenderChildren(HtmlTextWriter writer) +17
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +8703574
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +134
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Control.Render(HtmlTextWriter writer) +10
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +8703574
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +134
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   FileBasePage.Render(HtmlTextWriter writer) +2331
   FileDetails.Render(HtmlTextWriter writer) in c:\inetpub\V5 - Development\Plugins\Dashboard\FileDetails.aspx.cs:690
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +8703574
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1266

Answer 1

从母版页和错误页中删除 ../并放置 ~/更正错误-不能使用前导..退出顶级目录。