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Issue #2736 - Part 9: Re-work <source> src attribute.

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Use subject principal as triggering principal in <source> "src" attribute
for <audio>/<video> elements.
This commit is contained in:
Moonchild 2025-05-03 23:32:48 +02:00 • committed by roytam1
commit b1b5062dc4
3 changed files with 14 additions and 4 deletions
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3
dom/html/HTMLSourceElement.cpp
View file

@ -133,6 +133,9 @@ HTMLSourceElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
} else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::media) {
UpdateMediaList(aValue);
} else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::src) {
mSrcTriggeringPrincipal = nsContentUtils::GetAttrTriggeringPrincipal(
this, aValue ? aValue->GetStringValue() : EmptyString(),
aMaybeScriptedPrincipal);
mSrcMediaSource = nullptr;
if (aValue) {
nsString srcStr = aValue->GetStringValue();

13
dom/html/HTMLSourceElement.h
View file

@ -56,13 +56,17 @@ public:
MediaSource* GetSrcMediaSource() { return mSrcMediaSource; };
// WebIDL
void GetSrc(nsString& aSrc)
void GetSrc(nsString& aSrc, nsIPrincipal&)
{
GetURIAttr(nsGkAtoms::src, nullptr, aSrc);
}
void SetSrc(const nsAString& aSrc, mozilla::ErrorResult& rv)
void SetSrc(const nsAString& aSrc, nsIPrincipal& aTriggeringPrincipal, mozilla::ErrorResult& rv)
{
SetHTMLAttr(nsGkAtoms::src, aSrc, rv);
SetHTMLAttr(nsGkAtoms::src, aSrc, aTriggeringPrincipal, rv);
}
nsIPrincipal* GetSrcTriggeringPrincipal() const
{
return mSrcTriggeringPrincipal;
}
void GetType(DOMString& aType)
@ -117,6 +121,9 @@ private:
RefPtr<nsMediaList> mMediaList;
RefPtr<MediaSource> mSrcMediaSource;
// The triggering principal for the src attribute.
nsCOMPtr<nsIPrincipal> mSrcTriggeringPrincipal;
// Generates a new nsMediaList using the given input
void UpdateMediaList(const nsAttrValue* aValue);
};

2
dom/webidl/HTMLSourceElement.webidl
View file

@ -13,7 +13,7 @@
[HTMLConstructor]
interface HTMLSourceElement : HTMLElement {
[CEReactions, SetterThrows]
[CEReactions, NeedsSubjectPrincipal, SetterThrows]
attribute DOMString src;
[CEReactions, SetterThrows]
attribute DOMString type;