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4275cd1039
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, that means capturing the subject principal of the caller who sets those attributes, which means making it available to AfterSetAttr hooks. MozReview-Commit-ID: BMDL2Uepg0X --HG-- extra : rebase_source : 25e438c243700a9368c393e40e3a6002d968d6c8
187 lines
6.1 KiB
C++
187 lines
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_HTMLButtonElement_h
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#define mozilla_dom_HTMLButtonElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIConstraintValidation.h"
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namespace mozilla {
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class EventChainPostVisitor;
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class EventChainPreVisitor;
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namespace dom {
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class HTMLButtonElement final : public nsGenericHTMLFormElementWithState,
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public nsIConstraintValidation
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{
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public:
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using nsIConstraintValidation::GetValidationMessage;
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explicit HTMLButtonElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
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FromParser aFromParser = NOT_FROM_PARSER);
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLButtonElement,
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nsGenericHTMLFormElementWithState)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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virtual int32_t TabIndexDefault() override;
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLButtonElement, button)
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// Element
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virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override
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{
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return true;
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}
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// overriden nsIFormControl methods
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NS_IMETHOD Reset() override;
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NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;
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NS_IMETHOD SaveState() override;
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bool RestoreState(nsPresState* aState) override;
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virtual bool IsDisabledForEvents(EventMessage aMessage) override;
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virtual void FieldSetDisabledChanged(bool aNotify) override;
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// nsIDOMEventTarget
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virtual nsresult GetEventTargetParent(
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EventChainPreVisitor& aVisitor) override;
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virtual nsresult PostHandleEvent(
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EventChainPostVisitor& aVisitor) override;
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// nsINode
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virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult,
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bool aPreallocateChildren) const override;
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virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// nsIContent
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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 void DoneCreatingElement() override;
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void UpdateBarredFromConstraintValidation();
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// Element
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EventStates IntrinsicState() const override;
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/**
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* Called when an attribute is about to be changed
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*/
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virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) override;
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/**
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* Called when an attribute has just been changed
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*/
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* 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 bool ParseAttribute(int32_t aNamespaceID,
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nsAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult) override;
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// nsGenericHTMLElement
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virtual bool IsHTMLFocusable(bool aWithMouse,
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bool* aIsFocusable,
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int32_t* aTabIndex) override;
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// WebIDL
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bool Autofocus() const
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{
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return GetBoolAttr(nsGkAtoms::autofocus);
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}
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void SetAutofocus(bool aAutofocus, ErrorResult& aError)
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{
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SetHTMLBoolAttr(nsGkAtoms::autofocus, aAutofocus, aError);
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}
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bool Disabled() const
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{
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return GetBoolAttr(nsGkAtoms::disabled);
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}
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void SetDisabled(bool aDisabled, ErrorResult& aError)
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{
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SetHTMLBoolAttr(nsGkAtoms::disabled, aDisabled, aError);
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}
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// nsGenericHTMLFormElement::GetForm is fine.
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using nsGenericHTMLFormElement::GetForm;
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// GetFormAction implemented in superclass
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void SetFormAction(const nsAString& aFormAction, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::formaction, aFormAction, aRv);
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}
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void GetFormEnctype(nsAString& aFormEncType);
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void SetFormEnctype(const nsAString& aFormEnctype, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::formenctype, aFormEnctype, aRv);
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}
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void GetFormMethod(nsAString& aFormMethod);
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void SetFormMethod(const nsAString& aFormMethod, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::formmethod, aFormMethod, aRv);
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}
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bool FormNoValidate() const
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{
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return GetBoolAttr(nsGkAtoms::formnovalidate);
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}
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void SetFormNoValidate(bool aFormNoValidate, ErrorResult& aError)
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{
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SetHTMLBoolAttr(nsGkAtoms::formnovalidate, aFormNoValidate, aError);
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}
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void GetFormTarget(DOMString& aFormTarget)
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{
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GetHTMLAttr(nsGkAtoms::formtarget, aFormTarget);
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}
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void SetFormTarget(const nsAString& aFormTarget, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::formtarget, aFormTarget, aRv);
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}
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void GetName(DOMString& aName)
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{
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GetHTMLAttr(nsGkAtoms::name, aName);
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}
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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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void GetType(nsAString& aType);
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void SetType(const nsAString& aType, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::type, aType, aRv);
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}
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void GetValue(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::value, aValue);
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}
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void SetValue(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
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}
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// Override SetCustomValidity so we update our state properly when it's called
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// via bindings.
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void SetCustomValidity(const nsAString& aError);
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protected:
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virtual ~HTMLButtonElement();
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bool mDisabledChanged;
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bool mInInternalActivate;
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bool mInhibitStateRestoration;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLButtonElement_h
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