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Fixing nsbeta3+ bug 50393. Make frameset windows request the principal form their parent if there's no document object in the frameset nor a cached principal, this can happen with <frame src='javascript:...'> frames. r/a=vidur, r=mstoltz.

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jst%netscape.com 2000-09-19 05:21:00 +00:00
parent a72320d2a1
commit e6821c4310
1 changed files with 19 additions and 1 deletions
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20
dom/src/base/nsGlobalWindow.cpp
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@ -512,8 +512,26 @@ NS_IMETHODIMP GlobalWindowImpl::HandleDOMEvent(nsIPresContext* aPresContext,
NS_IMETHODIMP GlobalWindowImpl::GetPrincipal(nsIPrincipal** result)
{
if (!mDocumentPrincipal)
if (!mDocumentPrincipal && !mDocument) {
// If we don't have a principal and we don't have a document we
// ask the parent window for the principal. This can happen when
// loading a frameset that has a <frame src="javascript:xxx">, in
// that case we use the global window is used in JS before we've
// loaded a document into the window.
nsCOMPtr<nsIDOMWindow> parent;
GetParent(getter_AddRefs(parent));
if (parent && (parent.get() != NS_STATIC_CAST(nsIDOMWindow *, this))) {
nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal(do_QueryInterface(parent));
if (objPrincipal) {
return objPrincipal->GetPrincipal(result);
}
}
return NS_ERROR_FAILURE;
}
NS_ENSURE_ARG_POINTER(result);