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Issue #2534 - Part 1: window.postMessage should provide a trusted MessageEvent

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This commit is contained in:
Moonchild 2024-06-23 17:55:13 +02:00 • committed by roytam1
commit fb16b1b4ae
3 changed files with 11 additions and 16 deletions
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20
dom/base/PostMessageEvent.cpp
View file

@ -32,16 +32,14 @@ PostMessageEvent::PostMessageEvent(nsGlobalWindow* aSource,
const nsAString& aCallerOrigin,
nsGlobalWindow* aTargetWindow,
nsIPrincipal* aProvidedPrincipal,
nsIDocument* aSourceDocument,
bool aTrustedCaller)
: StructuredCloneHolder(CloningSupported, TransferringSupported,
StructuredCloneScope::SameProcessSameThread),
mSource(aSource),
mCallerOrigin(aCallerOrigin),
mTargetWindow(aTargetWindow),
mProvidedPrincipal(aProvidedPrincipal),
mSourceDocument(aSourceDocument),
mTrustedCaller(aTrustedCaller)
nsIDocument* aSourceDocument)
: StructuredCloneHolder(CloningSupported, TransferringSupported,
StructuredCloneScope::SameProcessSameThread)
, mSource(aSource)
, mCallerOrigin(aCallerOrigin)
, mTargetWindow(aTargetWindow)
, mProvidedPrincipal(aProvidedPrincipal)
, mSourceDocument(aSourceDocument)
{
MOZ_COUNT_CTOR(PostMessageEvent);
}
@ -169,7 +167,7 @@ PostMessageEvent::Run()
if (shell)
presContext = shell->GetPresContext();
event->SetTrusted(mTrustedCaller);
event->SetTrusted(true);
WidgetEvent* internalEvent = event->WidgetEventPtr();
nsEventStatus status = nsEventStatus_eIgnore;

4
dom/base/PostMessageEvent.h
View file

@ -33,8 +33,7 @@ public:
const nsAString& aCallerOrigin,
nsGlobalWindow* aTargetWindow,
nsIPrincipal* aProvidedPrincipal,
nsIDocument* aSourceDocument,
bool aTrustedCaller);
nsIDocument* aSourceDocument);
private:
~PostMessageEvent();
@ -44,7 +43,6 @@ private:
RefPtr<nsGlobalWindow> mTargetWindow;
nsCOMPtr<nsIPrincipal> mProvidedPrincipal;
nsCOMPtr<nsIDocument> mSourceDocument;
bool mTrustedCaller;
};
} // namespace dom

3
dom/base/nsGlobalWindow.cpp
View file

@ -8885,8 +8885,7 @@ nsGlobalWindow::PostMessageMozOuter(JSContext* aCx, JS::Handle<JS::Value> aMessa
providedPrincipal,
callerInnerWin
? callerInnerWin->GetDoc()
: nullptr,
nsContentUtils::IsCallerChrome());
: nullptr);
JS::Rooted<JS::Value> message(aCx, aMessage);
JS::Rooted<JS::Value> transfer(aCx, aTransfer);