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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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824d0cad58
In order to tailor certain security checks to the caller that is attempting to load a particular piece of content, we need to be able to attach an appropriate triggering principal to the corresponding requests. Since most HTML content is loaded based on attribute values, this means capturing the subject principal of the caller who sets those attributes, which in turn means we need to make it available to `AfterSetAttr` hooks on all relevant element types.
100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SVGFEImageElement_h
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#define mozilla_dom_SVGFEImageElement_h
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#include "nsSVGFilters.h"
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#include "SVGAnimatedPreserveAspectRatio.h"
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class SVGFEImageFrame;
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nsresult NS_NewSVGFEImageElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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namespace dom {
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typedef nsSVGFE SVGFEImageElementBase;
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class SVGFEImageElement final : public SVGFEImageElementBase,
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public nsImageLoadingContent
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{
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friend class ::SVGFEImageFrame;
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protected:
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friend nsresult (::NS_NewSVGFEImageElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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explicit SVGFEImageElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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virtual ~SVGFEImageElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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public:
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virtual bool SubregionIsUnionOfRegions() override { return false; }
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// interfaces:
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NS_DECL_ISUPPORTS_INHERITED
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// EventTarget
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virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
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virtual FilterPrimitiveDescription
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GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
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const IntRect& aFilterSubregion,
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const nsTArray<bool>& aInputsAreTainted,
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nsTArray<RefPtr<SourceSurface>>& aInputImages) override;
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virtual bool AttributeAffectsRendering(
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int32_t aNameSpaceID, nsIAtom* aAttribute) const override;
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virtual nsSVGString& GetResultImageName() override { return mStringAttributes[RESULT]; }
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virtual bool OutputIsTainted(const nsTArray<bool>& aInputsAreTainted,
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nsIPrincipal* aReferencePrincipal) override;
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// nsIContent
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) override;
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
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virtual EventStates IntrinsicState() const override;
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NS_IMETHOD Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData) override;
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void MaybeLoadSVGImage();
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// WebIDL
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already_AddRefed<SVGAnimatedString> Href();
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already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
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private:
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// Invalidate users of the filter containing this element.
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void Invalidate();
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nsresult LoadSVGImage(bool aForce, bool aNotify);
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protected:
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virtual bool ProducesSRGB() override { return true; }
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virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;
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virtual StringAttributesInfo GetStringInfo() override;
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enum { RESULT, HREF, XLINK_HREF };
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nsSVGString mStringAttributes[3];
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static StringInfo sStringInfo[3];
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SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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