Re: cloneNode in a xpcom component failed

On 11/28/08 1:34 PM, Sylvain Spinelli wrote:
> Hi,
>
> Context : 1.9.1 recent build, windows
>
> // In a JS component, I load a DOM (from chrome://)
> var vXhrComp = Components.classes["@mozilla.org/xmlextras/
> xmlhttprequest;1"];
> var vReq = vXhrComp.createInstance
> (Components.interfaces.nsIXMLHttpRequest);
> vReq.open("GET", "chrome://mychrome/content/myFile.xml", false);
> vReq.send(null);
> var vXml = vReq.responseXML;
>
> //I want to "backup" my dom
> var vXmlBackup = vXml.cloneNode(true);
>
> The cloneNode failed : Security Error: Content at moz-nullprincipal:
> {c0db3ee1-d7c3-47e4-b6d9-0a08830f15c9} may not load or link to //
> chrome://mychrome/content/myFile.xml.
>
> I think it's a problem with transfering nsIPrincipal to the new
> Document.
>
> In a xul page in chrome, this code works fine.
>
> I miss something ? Is there a way to declare the nsIPrincipal ?
>
> Do you think I should file a bug ?
>
> Thanks,
>
> Sylvain
Is this a regression? In any case, I think you should file a bug.

-Olli