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Moonchild
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.
78 lines
2.5 KiB
C++
78 lines
2.5 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_HTMLMetaElement_h
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#define mozilla_dom_HTMLMetaElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDOMHTMLMetaElement.h"
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namespace mozilla {
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namespace dom {
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class HTMLMetaElement final : public nsGenericHTMLElement,
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public nsIDOMHTMLMetaElement
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{
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public:
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explicit HTMLMetaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMHTMLMetaElement
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NS_DECL_NSIDOMHTMLMETAELEMENT
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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 = true,
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bool aNullParent = true) 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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void CreateAndDispatchEvent(nsIDocument* aDoc, const nsAString& aEventName);
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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// XPCOM GetName is fine.
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void SetName(const nsAString& aName, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::name, aName, aRv);
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}
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// XPCOM GetHttpEquiv is fine.
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void SetHttpEquiv(const nsAString& aHttpEquiv, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::httpEquiv, aHttpEquiv, aRv);
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}
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// XPCOM GetContent is fine.
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void SetContent(const nsAString& aContent, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::content, aContent, aRv);
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}
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// XPCOM GetScheme is fine.
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void SetScheme(const nsAString& aScheme, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::scheme, aScheme, aRv);
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}
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virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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virtual ~HTMLMetaElement();
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private:
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nsresult SetMetaReferrer(nsIDocument* aDocument);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLMetaElement_h
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