forked from mirrors/gecko-dev
b4b82098b4
Depends on D173976 Differential Revision: https://phabricator.services.mozilla.com/D173978
1737 lines
58 KiB
C++
1737 lines
58 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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#include "js/Array.h" // JS::GetArrayLength, JS::IsArrayObject
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#include "js/JSON.h"
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#include "js/PropertyAndElement.h" // JS_GetElement
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#include "js/TypeDecls.h"
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#include "jsapi.h"
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#include "mozilla/BasePrincipal.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/dom/AutocompleteInfoBinding.h"
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#include "mozilla/dom/CanonicalBrowsingContext.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/DocumentInlines.h"
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#include "mozilla/dom/HTMLInputElement.h"
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#include "mozilla/dom/HTMLSelectElement.h"
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#include "mozilla/dom/HTMLTextAreaElement.h"
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#include "mozilla/dom/RootedDictionary.h"
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#include "mozilla/dom/SessionStorageManager.h"
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#include "mozilla/dom/PBackgroundSessionStorageCache.h"
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#include "mozilla/dom/SessionStoreChangeListener.h"
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#include "mozilla/dom/SessionStoreChild.h"
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#include "mozilla/dom/SessionStoreUtils.h"
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#include "mozilla/dom/txIXPathContext.h"
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#include "mozilla/dom/WindowGlobalParent.h"
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#include "mozilla/dom/WindowProxyHolder.h"
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#include "mozilla/dom/XPathResult.h"
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#include "mozilla/dom/XPathEvaluator.h"
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#include "mozilla/dom/XPathExpression.h"
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#include "mozilla/dom/PBackgroundSessionStorageCache.h"
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#include "mozilla/ipc/BackgroundUtils.h"
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#include "mozilla/ReverseIterator.h"
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#include "mozilla/UniquePtr.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsContentList.h"
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#include "nsContentUtils.h"
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#include "nsFocusManager.h"
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#include "nsGlobalWindowOuter.h"
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#include "nsIContentInlines.h"
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#include "nsIDocShell.h"
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#include "nsIFormControl.h"
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#include "nsIScrollableFrame.h"
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#include "nsISHistory.h"
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#include "nsIXULRuntime.h"
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#include "nsPresContext.h"
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#include "nsPrintfCString.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::dom::sessionstore;
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namespace {
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class DynamicFrameEventFilter final : public nsIDOMEventListener {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(DynamicFrameEventFilter)
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explicit DynamicFrameEventFilter(EventListener* aListener)
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: mListener(aListener) {}
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NS_IMETHODIMP HandleEvent(Event* aEvent) override {
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if (mListener && TargetInNonDynamicDocShell(aEvent)) {
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mListener->HandleEvent(*aEvent);
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}
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return NS_OK;
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}
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private:
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~DynamicFrameEventFilter() = default;
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bool TargetInNonDynamicDocShell(Event* aEvent) {
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EventTarget* target = aEvent->GetTarget();
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if (!target) {
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return false;
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}
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nsPIDOMWindowOuter* outer = target->GetOwnerGlobalForBindingsInternal();
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if (!outer || !outer->GetDocShell()) {
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return false;
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}
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RefPtr<BrowsingContext> context = outer->GetBrowsingContext();
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return context && !context->CreatedDynamically();
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}
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RefPtr<EventListener> mListener;
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};
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NS_IMPL_CYCLE_COLLECTION(DynamicFrameEventFilter, mListener)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DynamicFrameEventFilter)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(DynamicFrameEventFilter)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(DynamicFrameEventFilter)
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} // anonymous namespace
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/* static */
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void SessionStoreUtils::ForEachNonDynamicChildFrame(
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const GlobalObject& aGlobal, WindowProxyHolder& aWindow,
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SessionStoreUtilsFrameCallback& aCallback, ErrorResult& aRv) {
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if (!aWindow.get()) {
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aRv.Throw(NS_ERROR_INVALID_ARG);
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return;
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}
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nsCOMPtr<nsIDocShell> docShell = aWindow.get()->GetDocShell();
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if (!docShell) {
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aRv.Throw(NS_ERROR_FAILURE);
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return;
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}
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int32_t length;
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aRv = docShell->GetInProcessChildCount(&length);
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if (aRv.Failed()) {
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return;
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}
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for (int32_t i = 0; i < length; ++i) {
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nsCOMPtr<nsIDocShellTreeItem> item;
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docShell->GetInProcessChildAt(i, getter_AddRefs(item));
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if (!item) {
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aRv.Throw(NS_ERROR_FAILURE);
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return;
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}
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RefPtr<BrowsingContext> context = item->GetBrowsingContext();
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if (!context) {
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aRv.Throw(NS_ERROR_FAILURE);
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return;
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}
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if (!context->CreatedDynamically()) {
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int32_t childOffset = context->ChildOffset();
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aCallback.Call(WindowProxyHolder(context.forget()), childOffset);
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}
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}
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}
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/* static */
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already_AddRefed<nsISupports>
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SessionStoreUtils::AddDynamicFrameFilteredListener(
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const GlobalObject& aGlobal, EventTarget& aTarget, const nsAString& aType,
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JS::Handle<JS::Value> aListener, bool aUseCapture, bool aMozSystemGroup,
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ErrorResult& aRv) {
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if (NS_WARN_IF(!aListener.isObject())) {
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aRv.Throw(NS_ERROR_INVALID_ARG);
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return nullptr;
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}
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JSContext* cx = aGlobal.Context();
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JS::Rooted<JSObject*> obj(cx, &aListener.toObject());
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JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx));
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RefPtr<EventListener> listener =
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new EventListener(cx, obj, global, GetIncumbentGlobal());
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nsCOMPtr<nsIDOMEventListener> filter(new DynamicFrameEventFilter(listener));
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if (aMozSystemGroup) {
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aRv = aTarget.AddSystemEventListener(aType, filter, aUseCapture);
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} else {
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aRv = aTarget.AddEventListener(aType, filter, aUseCapture);
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}
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if (aRv.Failed()) {
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return nullptr;
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}
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return filter.forget();
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}
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/* static */
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void SessionStoreUtils::RemoveDynamicFrameFilteredListener(
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const GlobalObject& global, EventTarget& aTarget, const nsAString& aType,
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nsISupports* aListener, bool aUseCapture, bool aMozSystemGroup,
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ErrorResult& aRv) {
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nsCOMPtr<nsIDOMEventListener> listener = do_QueryInterface(aListener);
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if (!listener) {
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aRv.Throw(NS_ERROR_NO_INTERFACE);
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return;
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}
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if (aMozSystemGroup) {
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aTarget.RemoveSystemEventListener(aType, listener, aUseCapture);
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} else {
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aTarget.RemoveEventListener(aType, listener, aUseCapture);
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}
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}
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/* static */
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void SessionStoreUtils::CollectDocShellCapabilities(const GlobalObject& aGlobal,
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nsIDocShell* aDocShell,
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nsCString& aRetVal) {
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bool allow;
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#define TRY_ALLOWPROP(y) \
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PR_BEGIN_MACRO \
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aDocShell->GetAllow##y(&allow); \
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if (!allow) { \
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if (!aRetVal.IsEmpty()) { \
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aRetVal.Append(','); \
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} \
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aRetVal.Append(#y); \
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} \
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PR_END_MACRO
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TRY_ALLOWPROP(Plugins);
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// Bug 1328013 : Don't collect "AllowJavascript" property
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// TRY_ALLOWPROP(Javascript);
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TRY_ALLOWPROP(MetaRedirects);
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TRY_ALLOWPROP(Subframes);
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TRY_ALLOWPROP(Images);
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TRY_ALLOWPROP(Media);
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TRY_ALLOWPROP(DNSPrefetch);
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TRY_ALLOWPROP(WindowControl);
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TRY_ALLOWPROP(Auth);
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TRY_ALLOWPROP(ContentRetargeting);
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TRY_ALLOWPROP(ContentRetargetingOnChildren);
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#undef TRY_ALLOWPROP
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}
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/* static */
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void SessionStoreUtils::RestoreDocShellCapabilities(
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nsIDocShell* aDocShell, const nsCString& aDisallowCapabilities) {
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aDocShell->SetAllowPlugins(true);
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aDocShell->SetAllowMetaRedirects(true);
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aDocShell->SetAllowSubframes(true);
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aDocShell->SetAllowImages(true);
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aDocShell->SetAllowMedia(true);
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aDocShell->SetAllowDNSPrefetch(true);
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aDocShell->SetAllowWindowControl(true);
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aDocShell->SetAllowContentRetargeting(true);
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aDocShell->SetAllowContentRetargetingOnChildren(true);
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bool allowJavascript = true;
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for (const nsACString& token :
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nsCCharSeparatedTokenizer(aDisallowCapabilities, ',').ToRange()) {
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if (token.EqualsLiteral("Plugins")) {
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aDocShell->SetAllowPlugins(false);
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} else if (token.EqualsLiteral("Javascript")) {
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allowJavascript = false;
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} else if (token.EqualsLiteral("MetaRedirects")) {
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aDocShell->SetAllowMetaRedirects(false);
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} else if (token.EqualsLiteral("Subframes")) {
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aDocShell->SetAllowSubframes(false);
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} else if (token.EqualsLiteral("Images")) {
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aDocShell->SetAllowImages(false);
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} else if (token.EqualsLiteral("Media")) {
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aDocShell->SetAllowMedia(false);
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} else if (token.EqualsLiteral("DNSPrefetch")) {
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aDocShell->SetAllowDNSPrefetch(false);
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} else if (token.EqualsLiteral("WindowControl")) {
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aDocShell->SetAllowWindowControl(false);
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} else if (token.EqualsLiteral("ContentRetargeting")) {
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bool allow;
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aDocShell->GetAllowContentRetargetingOnChildren(&allow);
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aDocShell->SetAllowContentRetargeting(
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false); // will also set AllowContentRetargetingOnChildren
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aDocShell->SetAllowContentRetargetingOnChildren(
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allow); // restore the allowProp to original
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} else if (token.EqualsLiteral("ContentRetargetingOnChildren")) {
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aDocShell->SetAllowContentRetargetingOnChildren(false);
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}
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}
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if (!mozilla::SessionHistoryInParent()) {
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// With SessionHistoryInParent, this is set from the parent process.
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BrowsingContext* bc = aDocShell->GetBrowsingContext();
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Unused << bc->SetAllowJavascript(allowJavascript);
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}
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}
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static void CollectCurrentScrollPosition(JSContext* aCx, Document& aDocument,
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Nullable<CollectedData>& aRetVal) {
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PresShell* presShell = aDocument.GetPresShell();
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if (!presShell) {
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return;
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}
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nsPoint scrollPos = presShell->GetVisualViewportOffset();
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int scrollX = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.x);
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int scrollY = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.y);
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if ((scrollX != 0) || (scrollY != 0)) {
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aRetVal.SetValue().mScroll.Construct() =
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nsPrintfCString("%d,%d", scrollX, scrollY);
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}
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}
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/* static */
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void SessionStoreUtils::RestoreScrollPosition(const GlobalObject& aGlobal,
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nsGlobalWindowInner& aWindow,
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const CollectedData& aData) {
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if (aData.mScroll.WasPassed()) {
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RestoreScrollPosition(aWindow, aData.mScroll.Value());
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}
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}
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/* static */
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void SessionStoreUtils::RestoreScrollPosition(
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nsGlobalWindowInner& aWindow, const nsCString& aScrollPosition) {
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using Change = mozilla::dom::SessionStoreChangeListener::Change;
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SessionStoreChangeListener::CollectSessionStoreData(
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aWindow.GetWindowContext(), EnumSet<Change>(Change::Scroll));
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nsCCharSeparatedTokenizer tokenizer(aScrollPosition, ',');
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nsAutoCString token(tokenizer.nextToken());
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int pos_X = atoi(token.get());
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token = tokenizer.nextToken();
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int pos_Y = atoi(token.get());
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aWindow.ScrollTo(pos_X, pos_Y);
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if (nsCOMPtr<Document> doc = aWindow.GetExtantDoc()) {
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if (nsPresContext* presContext = doc->GetPresContext()) {
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if (presContext->IsRootContentDocumentCrossProcess()) {
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// Use eMainThread so this takes precedence over session history
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// (ScrollFrameHelper::ScrollToRestoredPosition()).
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presContext->PresShell()->ScrollToVisual(
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CSSPoint::ToAppUnits(CSSPoint(pos_X, pos_Y)),
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layers::FrameMetrics::eMainThread, ScrollMode::Instant);
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}
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}
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}
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}
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// Implements the Luhn checksum algorithm as described at
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// http://wikipedia.org/wiki/Luhn_algorithm
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// Number digit lengths vary with network, but should fall within 12-19 range.
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// [2] More details at https://en.wikipedia.org/wiki/Payment_card_number
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static bool IsValidCCNumber(nsAString& aValue) {
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uint32_t total = 0;
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uint32_t numLength = 0;
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uint32_t strLen = aValue.Length();
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for (uint32_t i = 0; i < strLen; ++i) {
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uint32_t idx = strLen - i - 1;
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// ignore whitespace and dashes)
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char16_t chr = aValue[idx];
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if (IsSpaceCharacter(chr) || chr == '-') {
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continue;
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}
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// If our number is too long, note that fact
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++numLength;
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if (numLength > 19) {
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return false;
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}
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// Try to parse the character as a base-10 integer.
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nsresult rv = NS_OK;
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uint32_t val = Substring(aValue, idx, 1).ToInteger(&rv, 10);
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if (NS_FAILED(rv)) {
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return false;
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}
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if (i % 2 == 1) {
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val *= 2;
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if (val > 9) {
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val -= 9;
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}
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}
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total += val;
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}
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return numLength >= 12 && total % 10 == 0;
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}
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// Limit the number of XPath expressions for performance reasons. See bug
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// 477564.
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static const uint16_t kMaxTraversedXPaths = 100;
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// A helper function to append a element into mId or mXpath of CollectedData
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static Record<nsString, OwningStringOrBooleanOrObject>::EntryType*
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AppendEntryToCollectedData(nsINode* aNode, const nsAString& aId,
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uint16_t& aGeneratedCount,
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Nullable<CollectedData>& aRetVal) {
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Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry;
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if (!aId.IsEmpty()) {
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if (!aRetVal.SetValue().mId.WasPassed()) {
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aRetVal.SetValue().mId.Construct();
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}
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auto& recordEntries = aRetVal.SetValue().mId.Value().Entries();
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entry = recordEntries.AppendElement();
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entry->mKey = aId;
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} else {
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if (!aRetVal.SetValue().mXpath.WasPassed()) {
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aRetVal.SetValue().mXpath.Construct();
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}
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auto& recordEntries = aRetVal.SetValue().mXpath.Value().Entries();
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entry = recordEntries.AppendElement();
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nsAutoString xpath;
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aNode->GenerateXPath(xpath);
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aGeneratedCount++;
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entry->mKey = xpath;
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}
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return entry;
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}
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/* for bool value */
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static void AppendValueToCollectedData(nsINode* aNode, const nsAString& aId,
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const bool& aValue,
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uint16_t& aGeneratedCount,
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JSContext* aCx,
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Nullable<CollectedData>& aRetVal) {
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Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry =
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AppendEntryToCollectedData(aNode, aId, aGeneratedCount, aRetVal);
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entry->mValue.SetAsBoolean() = aValue;
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}
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/* for nsString value */
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static void AppendValueToCollectedData(nsINode* aNode, const nsAString& aId,
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const nsString& aValue,
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uint16_t& aGeneratedCount,
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Nullable<CollectedData>& aRetVal) {
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Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry =
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AppendEntryToCollectedData(aNode, aId, aGeneratedCount, aRetVal);
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entry->mValue.SetAsString() = aValue;
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}
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/* for single select value */
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static void AppendValueToCollectedData(
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nsINode* aNode, const nsAString& aId,
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const CollectedNonMultipleSelectValue& aValue, uint16_t& aGeneratedCount,
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JSContext* aCx, Nullable<CollectedData>& aRetVal) {
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JS::Rooted<JS::Value> jsval(aCx);
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if (!ToJSValue(aCx, aValue, &jsval)) {
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JS_ClearPendingException(aCx);
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return;
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}
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Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry =
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AppendEntryToCollectedData(aNode, aId, aGeneratedCount, aRetVal);
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entry->mValue.SetAsObject() = &jsval.toObject();
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}
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/* special handing for input element with string type */
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static void AppendValueToCollectedData(Document& aDocument, nsINode* aNode,
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const nsAString& aId,
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const nsString& aValue,
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uint16_t& aGeneratedCount,
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JSContext* aCx,
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Nullable<CollectedData>& aRetVal) {
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if (!aId.IsEmpty()) {
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// We want to avoid saving data for about:sessionrestore as a string.
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// Since it's stored in the form as stringified JSON, stringifying
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// further causes an explosion of escape characters. cf. bug 467409
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if (aId.EqualsLiteral("sessionData")) {
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nsAutoCString url;
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Unused << aDocument.GetDocumentURI()->GetSpecIgnoringRef(url);
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if (url.EqualsLiteral("about:sessionrestore") ||
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url.EqualsLiteral("about:welcomeback")) {
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JS::Rooted<JS::Value> jsval(aCx);
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if (JS_ParseJSON(aCx, aValue.get(), aValue.Length(), &jsval) &&
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jsval.isObject()) {
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Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry =
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AppendEntryToCollectedData(aNode, aId, aGeneratedCount, aRetVal);
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entry->mValue.SetAsObject() = &jsval.toObject();
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} else {
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JS_ClearPendingException(aCx);
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}
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return;
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}
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}
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}
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AppendValueToCollectedData(aNode, aId, aValue, aGeneratedCount, aRetVal);
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}
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/* for nsTArray<nsString>: file and multipleSelect */
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static void AppendValueToCollectedData(nsINode* aNode, const nsAString& aId,
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const nsAString& aValueType,
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nsTArray<nsString>& aValue,
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uint16_t& aGeneratedCount,
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JSContext* aCx,
|
|
Nullable<CollectedData>& aRetVal) {
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
if (aValueType.EqualsLiteral("file")) {
|
|
CollectedFileListValue val;
|
|
val.mType = aValueType;
|
|
val.mFileList = std::move(aValue);
|
|
if (!ToJSValue(aCx, val, &jsval)) {
|
|
JS_ClearPendingException(aCx);
|
|
return;
|
|
}
|
|
} else {
|
|
if (!ToJSValue(aCx, aValue, &jsval)) {
|
|
JS_ClearPendingException(aCx);
|
|
return;
|
|
}
|
|
}
|
|
Record<nsString, OwningStringOrBooleanOrObject>::EntryType* entry =
|
|
AppendEntryToCollectedData(aNode, aId, aGeneratedCount, aRetVal);
|
|
entry->mValue.SetAsObject() = &jsval.toObject();
|
|
}
|
|
|
|
// This isn't size as in binary size, just a heuristic to not store too large
|
|
// fields in session store. See StaticPrefs::browser_sessionstore_dom_form_limit
|
|
static uint32_t SizeOfFormEntry(const FormEntryValue& aValue) {
|
|
uint32_t size = 0;
|
|
switch (aValue.type()) {
|
|
case FormEntryValue::TCheckbox:
|
|
size = aValue.get_Checkbox().value() ? 4 : 5;
|
|
break;
|
|
case FormEntryValue::TTextField:
|
|
size = aValue.get_TextField().value().Length();
|
|
break;
|
|
case FormEntryValue::TFileList: {
|
|
for (const auto& value : aValue.get_FileList().valueList()) {
|
|
size += value.Length();
|
|
}
|
|
break;
|
|
}
|
|
case FormEntryValue::TSingleSelect:
|
|
size = aValue.get_SingleSelect().value().Length();
|
|
break;
|
|
case FormEntryValue::TMultipleSelect: {
|
|
for (const auto& value : aValue.get_MultipleSelect().valueList()) {
|
|
size += value.Length();
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static uint32_t AppendEntry(nsINode* aNode, const nsString& aId,
|
|
const FormEntryValue& aValue,
|
|
sessionstore::FormData& aFormData) {
|
|
uint32_t size = SizeOfFormEntry(aValue);
|
|
if (size > StaticPrefs::browser_sessionstore_dom_form_limit()) {
|
|
return 0;
|
|
}
|
|
|
|
if (aId.IsEmpty()) {
|
|
FormEntry* entry = aFormData.xpath().AppendElement();
|
|
entry->value() = aValue;
|
|
aNode->GenerateXPath(entry->id());
|
|
size += entry->id().Length();
|
|
} else {
|
|
aFormData.id().AppendElement(FormEntry{aId, aValue});
|
|
size += aId.Length();
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static uint32_t CollectTextAreaElement(Document* aDocument,
|
|
sessionstore::FormData& aFormData) {
|
|
uint32_t size = 0;
|
|
RefPtr<nsContentList> textlist =
|
|
NS_GetContentList(aDocument, kNameSpaceID_XHTML, u"textarea"_ns);
|
|
uint32_t length = textlist->Length();
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(textlist->Item(i), "null item in node list!");
|
|
|
|
HTMLTextAreaElement* textArea =
|
|
HTMLTextAreaElement::FromNodeOrNull(textlist->Item(i));
|
|
if (!textArea) {
|
|
continue;
|
|
}
|
|
DOMString autocomplete;
|
|
textArea->GetAutocomplete(autocomplete);
|
|
if (autocomplete.AsAString().EqualsLiteral("off")) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
textArea->GetId(id);
|
|
if (id.IsEmpty() && (aFormData.xpath().Length() > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
nsString value;
|
|
textArea->GetValue(value);
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
if (textArea->AttrValueIs(kNameSpaceID_None, nsGkAtoms::value, value,
|
|
eCaseMatters)) {
|
|
continue;
|
|
}
|
|
|
|
size += AppendEntry(textArea, id, TextField{value}, aFormData);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static uint32_t CollectInputElement(Document* aDocument,
|
|
sessionstore::FormData& aFormData) {
|
|
uint32_t size = 0;
|
|
RefPtr<nsContentList> inputlist =
|
|
NS_GetContentList(aDocument, kNameSpaceID_XHTML, u"input"_ns);
|
|
uint32_t length = inputlist->Length();
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(inputlist->Item(i), "null item in node list!");
|
|
nsCOMPtr<nsIFormControl> formControl =
|
|
do_QueryInterface(inputlist->Item(i));
|
|
if (formControl) {
|
|
auto controlType = formControl->ControlType();
|
|
if (controlType == FormControlType::InputPassword ||
|
|
controlType == FormControlType::InputHidden ||
|
|
controlType == FormControlType::InputButton ||
|
|
controlType == FormControlType::InputImage ||
|
|
controlType == FormControlType::InputSubmit ||
|
|
controlType == FormControlType::InputReset) {
|
|
continue;
|
|
}
|
|
}
|
|
RefPtr<HTMLInputElement> input =
|
|
HTMLInputElement::FromNodeOrNull(inputlist->Item(i));
|
|
if (!input || !nsContentUtils::IsAutocompleteEnabled(input)) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
input->GetId(id);
|
|
if (id.IsEmpty() && (aFormData.xpath().Length() > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
Nullable<AutocompleteInfo> aInfo;
|
|
input->GetAutocompleteInfo(aInfo);
|
|
if (!aInfo.IsNull() && !aInfo.Value().mCanAutomaticallyPersist) {
|
|
continue;
|
|
}
|
|
|
|
FormEntryValue value;
|
|
if (input->ControlType() == FormControlType::InputCheckbox ||
|
|
input->ControlType() == FormControlType::InputRadio) {
|
|
bool checked = input->Checked();
|
|
if (checked == input->DefaultChecked()) {
|
|
continue;
|
|
}
|
|
size += AppendEntry(input, id, Checkbox{checked}, aFormData);
|
|
} else if (input->ControlType() == FormControlType::InputFile) {
|
|
IgnoredErrorResult rv;
|
|
sessionstore::FileList file;
|
|
input->MozGetFileNameArray(file.valueList(), rv);
|
|
if (rv.Failed() || file.valueList().IsEmpty()) {
|
|
continue;
|
|
}
|
|
size += AppendEntry(input, id, file, aFormData);
|
|
} else {
|
|
TextField field;
|
|
input->GetValue(field.value(), CallerType::System);
|
|
auto& value = field.value();
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
// Also, don't want to collect credit card number.
|
|
if (value.IsEmpty() || IsValidCCNumber(value) ||
|
|
input->HasBeenTypePassword() ||
|
|
input->AttrValueIs(kNameSpaceID_None, nsGkAtoms::value, value,
|
|
eCaseMatters)) {
|
|
continue;
|
|
}
|
|
size += AppendEntry(input, id, field, aFormData);
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static uint32_t CollectSelectElement(Document* aDocument,
|
|
sessionstore::FormData& aFormData) {
|
|
uint32_t size = 0;
|
|
RefPtr<nsContentList> selectlist =
|
|
NS_GetContentList(aDocument, kNameSpaceID_XHTML, u"select"_ns);
|
|
uint32_t length = selectlist->Length();
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(selectlist->Item(i), "null item in node list!");
|
|
RefPtr<HTMLSelectElement> select =
|
|
HTMLSelectElement::FromNodeOrNull(selectlist->Item(i));
|
|
if (!select) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
select->GetId(id);
|
|
if (id.IsEmpty() && (aFormData.xpath().Length() > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
AutocompleteInfo aInfo;
|
|
select->GetAutocompleteInfo(aInfo);
|
|
if (!aInfo.mCanAutomaticallyPersist) {
|
|
continue;
|
|
}
|
|
|
|
if (!select->Multiple()) {
|
|
HTMLOptionsCollection* options = select->GetOptions();
|
|
if (!options) {
|
|
continue;
|
|
}
|
|
|
|
uint32_t numOptions = options->Length();
|
|
int32_t defaultIndex = 0;
|
|
for (uint32_t idx = 0; idx < numOptions; idx++) {
|
|
HTMLOptionElement* option = options->ItemAsOption(idx);
|
|
if (option->DefaultSelected()) {
|
|
defaultIndex = option->Index();
|
|
}
|
|
}
|
|
|
|
int32_t selectedIndex = select->SelectedIndex();
|
|
if (selectedIndex == defaultIndex || selectedIndex < 0) {
|
|
continue;
|
|
}
|
|
|
|
DOMString selectVal;
|
|
select->GetValue(selectVal);
|
|
size += AppendEntry(select, id,
|
|
SingleSelect{static_cast<uint32_t>(selectedIndex),
|
|
selectVal.AsAString()},
|
|
aFormData);
|
|
} else {
|
|
HTMLOptionsCollection* options = select->GetOptions();
|
|
if (!options) {
|
|
continue;
|
|
}
|
|
bool hasDefaultValue = true;
|
|
nsTArray<nsString> selectslist;
|
|
uint32_t numOptions = options->Length();
|
|
for (uint32_t idx = 0; idx < numOptions; idx++) {
|
|
HTMLOptionElement* option = options->ItemAsOption(idx);
|
|
bool selected = option->Selected();
|
|
|
|
hasDefaultValue =
|
|
hasDefaultValue && (selected == option->DefaultSelected());
|
|
|
|
if (!selected) {
|
|
continue;
|
|
}
|
|
option->GetValue(*selectslist.AppendElement());
|
|
}
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
if (hasDefaultValue) {
|
|
continue;
|
|
}
|
|
|
|
size += AppendEntry(select, id, MultipleSelect{selectslist}, aFormData);
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
/* static */
|
|
uint32_t SessionStoreUtils::CollectFormData(Document* aDocument,
|
|
sessionstore::FormData& aFormData) {
|
|
MOZ_DIAGNOSTIC_ASSERT(aDocument);
|
|
uint32_t size = 0;
|
|
size += CollectTextAreaElement(aDocument, aFormData);
|
|
size += CollectInputElement(aDocument, aFormData);
|
|
size += CollectSelectElement(aDocument, aFormData);
|
|
|
|
aFormData.hasData() =
|
|
!aFormData.id().IsEmpty() || !aFormData.xpath().IsEmpty();
|
|
|
|
return size;
|
|
}
|
|
|
|
/* static */
|
|
template <typename... ArgsT>
|
|
void SessionStoreUtils::CollectFromTextAreaElement(Document& aDocument,
|
|
uint16_t& aGeneratedCount,
|
|
ArgsT&&... args) {
|
|
RefPtr<nsContentList> textlist =
|
|
NS_GetContentList(&aDocument, kNameSpaceID_XHTML, u"textarea"_ns);
|
|
uint32_t length = textlist->Length(true);
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(textlist->Item(i), "null item in node list!");
|
|
|
|
HTMLTextAreaElement* textArea =
|
|
HTMLTextAreaElement::FromNodeOrNull(textlist->Item(i));
|
|
if (!textArea) {
|
|
continue;
|
|
}
|
|
DOMString autocomplete;
|
|
textArea->GetAutocomplete(autocomplete);
|
|
if (autocomplete.AsAString().EqualsLiteral("off")) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
textArea->GetId(id);
|
|
if (id.IsEmpty() && (aGeneratedCount > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
nsString value;
|
|
textArea->GetValue(value);
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
if (textArea->AttrValueIs(kNameSpaceID_None, nsGkAtoms::value, value,
|
|
eCaseMatters)) {
|
|
continue;
|
|
}
|
|
AppendValueToCollectedData(textArea, id, value, aGeneratedCount,
|
|
std::forward<ArgsT>(args)...);
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
template <typename... ArgsT>
|
|
void SessionStoreUtils::CollectFromInputElement(Document& aDocument,
|
|
uint16_t& aGeneratedCount,
|
|
ArgsT&&... args) {
|
|
RefPtr<nsContentList> inputlist =
|
|
NS_GetContentList(&aDocument, kNameSpaceID_XHTML, u"input"_ns);
|
|
uint32_t length = inputlist->Length(true);
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(inputlist->Item(i), "null item in node list!");
|
|
nsCOMPtr<nsIFormControl> formControl =
|
|
do_QueryInterface(inputlist->Item(i));
|
|
if (formControl) {
|
|
auto controlType = formControl->ControlType();
|
|
if (controlType == FormControlType::InputPassword ||
|
|
controlType == FormControlType::InputHidden ||
|
|
controlType == FormControlType::InputButton ||
|
|
controlType == FormControlType::InputImage ||
|
|
controlType == FormControlType::InputSubmit ||
|
|
controlType == FormControlType::InputReset) {
|
|
continue;
|
|
}
|
|
}
|
|
RefPtr<HTMLInputElement> input =
|
|
HTMLInputElement::FromNodeOrNull(inputlist->Item(i));
|
|
if (!input || !nsContentUtils::IsAutocompleteEnabled(input)) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
input->GetId(id);
|
|
if (id.IsEmpty() && (aGeneratedCount > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
Nullable<AutocompleteInfo> aInfo;
|
|
input->GetAutocompleteInfo(aInfo);
|
|
if (!aInfo.IsNull() && !aInfo.Value().mCanAutomaticallyPersist) {
|
|
continue;
|
|
}
|
|
|
|
if (input->ControlType() == FormControlType::InputCheckbox ||
|
|
input->ControlType() == FormControlType::InputRadio) {
|
|
bool checked = input->Checked();
|
|
if (checked == input->DefaultChecked()) {
|
|
continue;
|
|
}
|
|
AppendValueToCollectedData(input, id, checked, aGeneratedCount,
|
|
std::forward<ArgsT>(args)...);
|
|
} else if (input->ControlType() == FormControlType::InputFile) {
|
|
IgnoredErrorResult rv;
|
|
nsTArray<nsString> result;
|
|
input->MozGetFileNameArray(result, rv);
|
|
if (rv.Failed() || result.Length() == 0) {
|
|
continue;
|
|
}
|
|
AppendValueToCollectedData(input, id, u"file"_ns, result, aGeneratedCount,
|
|
std::forward<ArgsT>(args)...);
|
|
} else {
|
|
nsString value;
|
|
input->GetValue(value, CallerType::System);
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
// Also, don't want to collect credit card number.
|
|
if (value.IsEmpty() || IsValidCCNumber(value) ||
|
|
input->HasBeenTypePassword() ||
|
|
input->AttrValueIs(kNameSpaceID_None, nsGkAtoms::value, value,
|
|
eCaseMatters)) {
|
|
continue;
|
|
}
|
|
AppendValueToCollectedData(aDocument, input, id, value, aGeneratedCount,
|
|
std::forward<ArgsT>(args)...);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
template <typename... ArgsT>
|
|
void SessionStoreUtils::CollectFromSelectElement(Document& aDocument,
|
|
uint16_t& aGeneratedCount,
|
|
ArgsT&&... args) {
|
|
RefPtr<nsContentList> selectlist =
|
|
NS_GetContentList(&aDocument, kNameSpaceID_XHTML, u"select"_ns);
|
|
uint32_t length = selectlist->Length(true);
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
MOZ_ASSERT(selectlist->Item(i), "null item in node list!");
|
|
RefPtr<HTMLSelectElement> select =
|
|
HTMLSelectElement::FromNodeOrNull(selectlist->Item(i));
|
|
if (!select) {
|
|
continue;
|
|
}
|
|
nsAutoString id;
|
|
select->GetId(id);
|
|
if (id.IsEmpty() && (aGeneratedCount > kMaxTraversedXPaths)) {
|
|
continue;
|
|
}
|
|
AutocompleteInfo aInfo;
|
|
select->GetAutocompleteInfo(aInfo);
|
|
if (!aInfo.mCanAutomaticallyPersist) {
|
|
continue;
|
|
}
|
|
nsAutoCString value;
|
|
if (!select->Multiple()) {
|
|
// <select>s without the multiple attribute are hard to determine the
|
|
// default value, so assume we don't have the default.
|
|
DOMString selectVal;
|
|
select->GetValue(selectVal);
|
|
CollectedNonMultipleSelectValue val;
|
|
val.mSelectedIndex = select->SelectedIndex();
|
|
val.mValue = selectVal.AsAString();
|
|
AppendValueToCollectedData(select, id, val, aGeneratedCount,
|
|
std::forward<ArgsT>(args)...);
|
|
} else {
|
|
// <select>s with the multiple attribute are easier to determine the
|
|
// default value since each <option> has a defaultSelected property
|
|
HTMLOptionsCollection* options = select->GetOptions();
|
|
if (!options) {
|
|
continue;
|
|
}
|
|
bool hasDefaultValue = true;
|
|
nsTArray<nsString> selectslist;
|
|
uint32_t numOptions = options->Length();
|
|
for (uint32_t idx = 0; idx < numOptions; idx++) {
|
|
HTMLOptionElement* option = options->ItemAsOption(idx);
|
|
bool selected = option->Selected();
|
|
if (!selected) {
|
|
continue;
|
|
}
|
|
option->GetValue(*selectslist.AppendElement());
|
|
hasDefaultValue =
|
|
hasDefaultValue && (selected == option->DefaultSelected());
|
|
}
|
|
// In order to reduce XPath generation (which is slow), we only save data
|
|
// for form fields that have been changed. (cf. bug 537289)
|
|
if (hasDefaultValue) {
|
|
continue;
|
|
}
|
|
|
|
AppendValueToCollectedData(select, id, u"multipleSelect"_ns, selectslist,
|
|
aGeneratedCount, std::forward<ArgsT>(args)...);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void CollectCurrentFormData(JSContext* aCx, Document& aDocument,
|
|
Nullable<CollectedData>& aRetVal) {
|
|
uint16_t generatedCount = 0;
|
|
/* textarea element */
|
|
SessionStoreUtils::CollectFromTextAreaElement(aDocument, generatedCount,
|
|
aRetVal);
|
|
/* input element */
|
|
SessionStoreUtils::CollectFromInputElement(aDocument, generatedCount, aCx,
|
|
aRetVal);
|
|
/* select element */
|
|
SessionStoreUtils::CollectFromSelectElement(aDocument, generatedCount, aCx,
|
|
aRetVal);
|
|
|
|
Element* bodyElement = aDocument.GetBody();
|
|
if (bodyElement && bodyElement->IsInDesignMode()) {
|
|
bodyElement->GetInnerHTML(aRetVal.SetValue().mInnerHTML.Construct(),
|
|
IgnoreErrors());
|
|
}
|
|
|
|
if (aRetVal.IsNull()) {
|
|
return;
|
|
}
|
|
|
|
// Store the frame's current URL with its form data so that we can compare
|
|
// it when restoring data to not inject form data into the wrong document.
|
|
nsIURI* uri = aDocument.GetDocumentURI();
|
|
if (uri) {
|
|
uri->GetSpecIgnoringRef(aRetVal.SetValue().mUrl.Construct());
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsString(Element* aElement, const nsAString& aValue) {
|
|
IgnoredErrorResult rv;
|
|
if (auto* textArea = HTMLTextAreaElement::FromNode(aElement)) {
|
|
textArea->SetValue(aValue, rv);
|
|
if (!rv.Failed()) {
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
return;
|
|
}
|
|
if (auto* input = HTMLInputElement::FromNode(aElement)) {
|
|
input->SetValue(aValue, CallerType::NonSystem, rv);
|
|
if (!rv.Failed()) {
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsBool(Element* aElement, bool aValue) {
|
|
HTMLInputElement* input = HTMLInputElement::FromNode(aElement);
|
|
if (input) {
|
|
bool checked = input->Checked();
|
|
if (aValue != checked) {
|
|
input->SetChecked(aValue);
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsFiles(HTMLInputElement* aElement,
|
|
const CollectedFileListValue& aValue) {
|
|
IgnoredErrorResult rv;
|
|
aElement->MozSetFileNameArray(aValue.mFileList, rv);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsSelect(HTMLSelectElement* aElement,
|
|
const CollectedNonMultipleSelectValue& aValue) {
|
|
HTMLOptionsCollection* options = aElement->GetOptions();
|
|
if (!options) {
|
|
return;
|
|
}
|
|
int32_t selectIdx = options->SelectedIndex();
|
|
if (selectIdx >= 0) {
|
|
nsAutoString selectOptionVal;
|
|
options->ItemAsOption(selectIdx)->GetValue(selectOptionVal);
|
|
if (aValue.mValue.Equals(selectOptionVal)) {
|
|
return;
|
|
}
|
|
}
|
|
uint32_t numOptions = options->Length();
|
|
for (uint32_t idx = 0; idx < numOptions; idx++) {
|
|
HTMLOptionElement* option = options->ItemAsOption(idx);
|
|
nsAutoString optionValue;
|
|
option->GetValue(optionValue);
|
|
if (aValue.mValue.Equals(optionValue)) {
|
|
aElement->SetSelectedIndex(idx);
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsMultiSelect(HTMLSelectElement* aElement,
|
|
const nsTArray<nsString>& aValueArray) {
|
|
bool fireEvent = false;
|
|
HTMLOptionsCollection* options = aElement->GetOptions();
|
|
if (!options) {
|
|
return;
|
|
}
|
|
uint32_t numOptions = options->Length();
|
|
for (uint32_t idx = 0; idx < numOptions; idx++) {
|
|
HTMLOptionElement* option = options->ItemAsOption(idx);
|
|
nsAutoString optionValue;
|
|
option->GetValue(optionValue);
|
|
for (uint32_t i = 0, l = aValueArray.Length(); i < l; ++i) {
|
|
if (optionValue.Equals(aValueArray[i])) {
|
|
option->SetSelected(true);
|
|
if (!option->DefaultSelected()) {
|
|
fireEvent = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (fireEvent) {
|
|
nsContentUtils::DispatchInputEvent(aElement);
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetElementAsObject(JSContext* aCx, Element* aElement,
|
|
JS::Handle<JS::Value> aObject) {
|
|
RefPtr<HTMLInputElement> input = HTMLInputElement::FromNode(aElement);
|
|
if (input) {
|
|
if (input->ControlType() == FormControlType::InputFile) {
|
|
CollectedFileListValue value;
|
|
if (value.Init(aCx, aObject)) {
|
|
SetElementAsFiles(input, value);
|
|
} else {
|
|
JS_ClearPendingException(aCx);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
RefPtr<HTMLSelectElement> select = HTMLSelectElement::FromNode(aElement);
|
|
if (select) {
|
|
// For Single Select Element
|
|
if (!select->Multiple()) {
|
|
CollectedNonMultipleSelectValue value;
|
|
if (value.Init(aCx, aObject)) {
|
|
SetElementAsSelect(select, value);
|
|
} else {
|
|
JS_ClearPendingException(aCx);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// For Multiple Selects Element
|
|
bool isArray = false;
|
|
JS::IsArrayObject(aCx, aObject, &isArray);
|
|
if (!isArray) {
|
|
return;
|
|
}
|
|
JS::Rooted<JSObject*> arrayObj(aCx, &aObject.toObject());
|
|
uint32_t arrayLength = 0;
|
|
if (!JS::GetArrayLength(aCx, arrayObj, &arrayLength)) {
|
|
JS_ClearPendingException(aCx);
|
|
return;
|
|
}
|
|
nsTArray<nsString> array(arrayLength);
|
|
for (uint32_t arrayIdx = 0; arrayIdx < arrayLength; arrayIdx++) {
|
|
JS::Rooted<JS::Value> element(aCx);
|
|
if (!JS_GetElement(aCx, arrayObj, arrayIdx, &element)) {
|
|
JS_ClearPendingException(aCx);
|
|
return;
|
|
}
|
|
if (!element.isString()) {
|
|
return;
|
|
}
|
|
nsAutoJSString value;
|
|
if (!value.init(aCx, element)) {
|
|
JS_ClearPendingException(aCx);
|
|
return;
|
|
}
|
|
array.AppendElement(value);
|
|
}
|
|
SetElementAsMultiSelect(select, array);
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetSessionData(JSContext* aCx, Element* aElement,
|
|
JS::MutableHandle<JS::Value> aObject) {
|
|
nsAutoString data;
|
|
if (nsContentUtils::StringifyJSON(aCx, aObject, data,
|
|
UndefinedIsNullStringLiteral)) {
|
|
SetElementAsString(aElement, data);
|
|
} else {
|
|
JS_ClearPendingException(aCx);
|
|
}
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
static void SetInnerHTML(Document& aDocument, const nsString& aInnerHTML) {
|
|
RefPtr<Element> bodyElement = aDocument.GetBody();
|
|
if (bodyElement && bodyElement->IsInDesignMode()) {
|
|
IgnoredErrorResult rv;
|
|
bodyElement->SetInnerHTML(aInnerHTML, aDocument.NodePrincipal(), rv);
|
|
if (!rv.Failed()) {
|
|
nsContentUtils::DispatchInputEvent(bodyElement);
|
|
}
|
|
}
|
|
}
|
|
|
|
class FormDataParseContext : public txIParseContext {
|
|
public:
|
|
explicit FormDataParseContext(bool aCaseInsensitive)
|
|
: mIsCaseInsensitive(aCaseInsensitive) {}
|
|
|
|
nsresult resolveNamespacePrefix(nsAtom* aPrefix, int32_t& aID) override {
|
|
if (aPrefix == nsGkAtoms::xul) {
|
|
aID = kNameSpaceID_XUL;
|
|
} else {
|
|
MOZ_ASSERT(nsDependentAtomString(aPrefix).EqualsLiteral("xhtml"));
|
|
aID = kNameSpaceID_XHTML;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult resolveFunctionCall(nsAtom* aName, int32_t aID,
|
|
FunctionCall** aFunction) override {
|
|
return NS_ERROR_XPATH_UNKNOWN_FUNCTION;
|
|
}
|
|
|
|
bool caseInsensitiveNameTests() override { return mIsCaseInsensitive; }
|
|
|
|
void SetErrorOffset(uint32_t aOffset) override {}
|
|
|
|
private:
|
|
bool mIsCaseInsensitive;
|
|
};
|
|
|
|
static Element* FindNodeByXPath(Document& aDocument,
|
|
const nsAString& aExpression) {
|
|
FormDataParseContext parsingContext(aDocument.IsHTMLDocument());
|
|
IgnoredErrorResult rv;
|
|
UniquePtr<XPathExpression> expression(
|
|
aDocument.XPathEvaluator()->CreateExpression(aExpression, &parsingContext,
|
|
&aDocument, rv));
|
|
if (rv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
RefPtr<XPathResult> result = expression->Evaluate(
|
|
aDocument, XPathResult::FIRST_ORDERED_NODE_TYPE, nullptr, rv);
|
|
if (rv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
return Element::FromNodeOrNull(result->GetSingleNodeValue(rv));
|
|
}
|
|
|
|
/* static */
|
|
bool SessionStoreUtils::RestoreFormData(const GlobalObject& aGlobal,
|
|
Document& aDocument,
|
|
const CollectedData& aData) {
|
|
if (!aData.mUrl.WasPassed()) {
|
|
return true;
|
|
}
|
|
|
|
// Don't restore any data for the given frame if the URL
|
|
// stored in the form data doesn't match its current URL.
|
|
nsAutoCString url;
|
|
Unused << aDocument.GetDocumentURI()->GetSpecIgnoringRef(url);
|
|
if (!aData.mUrl.Value().Equals(url)) {
|
|
return false;
|
|
}
|
|
|
|
using Change = SessionStoreChangeListener::Change;
|
|
SessionStoreChangeListener::CollectSessionStoreData(
|
|
aDocument.GetWindowContext(), EnumSet<Change>(Change::Input));
|
|
|
|
if (aData.mInnerHTML.WasPassed()) {
|
|
SetInnerHTML(aDocument, aData.mInnerHTML.Value());
|
|
}
|
|
if (aData.mId.WasPassed()) {
|
|
for (auto& entry : aData.mId.Value().Entries()) {
|
|
RefPtr<Element> node = aDocument.GetElementById(entry.mKey);
|
|
if (node == nullptr) {
|
|
continue;
|
|
}
|
|
if (entry.mValue.IsString()) {
|
|
SetElementAsString(node, entry.mValue.GetAsString());
|
|
} else if (entry.mValue.IsBoolean()) {
|
|
SetElementAsBool(node, entry.mValue.GetAsBoolean());
|
|
} else {
|
|
// For about:{sessionrestore,welcomeback} we saved the field as JSON to
|
|
// avoid nested instances causing humongous sessionstore.js files.
|
|
// cf. bug 467409
|
|
JSContext* cx = aGlobal.Context();
|
|
if (entry.mKey.EqualsLiteral("sessionData")) {
|
|
if (url.EqualsLiteral("about:sessionrestore") ||
|
|
url.EqualsLiteral("about:welcomeback")) {
|
|
JS::Rooted<JS::Value> object(
|
|
cx, JS::ObjectValue(*entry.mValue.GetAsObject()));
|
|
SetSessionData(cx, node, &object);
|
|
continue;
|
|
}
|
|
}
|
|
JS::Rooted<JS::Value> object(
|
|
cx, JS::ObjectValue(*entry.mValue.GetAsObject()));
|
|
SetElementAsObject(cx, node, object);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (aData.mXpath.WasPassed()) {
|
|
for (auto& entry : aData.mXpath.Value().Entries()) {
|
|
RefPtr<Element> node = FindNodeByXPath(aDocument, entry.mKey);
|
|
if (node == nullptr) {
|
|
continue;
|
|
}
|
|
if (entry.mValue.IsString()) {
|
|
SetElementAsString(node, entry.mValue.GetAsString());
|
|
} else if (entry.mValue.IsBoolean()) {
|
|
SetElementAsBool(node, entry.mValue.GetAsBoolean());
|
|
} else {
|
|
JS::Rooted<JS::Value> object(
|
|
aGlobal.Context(), JS::ObjectValue(*entry.mValue.GetAsObject()));
|
|
SetElementAsObject(aGlobal.Context(), node, object);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
MOZ_CAN_RUN_SCRIPT
|
|
void RestoreFormEntry(Element* aNode, const FormEntryValue& aValue) {
|
|
using Type = sessionstore::FormEntryValue::Type;
|
|
switch (aValue.type()) {
|
|
case Type::TCheckbox:
|
|
SetElementAsBool(aNode, aValue.get_Checkbox().value());
|
|
break;
|
|
case Type::TTextField:
|
|
SetElementAsString(aNode, aValue.get_TextField().value());
|
|
break;
|
|
case Type::TFileList: {
|
|
if (RefPtr<HTMLInputElement> input = HTMLInputElement::FromNode(aNode);
|
|
input && input->ControlType() == FormControlType::InputFile) {
|
|
CollectedFileListValue value;
|
|
value.mFileList = aValue.get_FileList().valueList().Clone();
|
|
SetElementAsFiles(input, value);
|
|
}
|
|
break;
|
|
}
|
|
case Type::TSingleSelect: {
|
|
if (RefPtr<HTMLSelectElement> select = HTMLSelectElement::FromNode(aNode);
|
|
select && !select->Multiple()) {
|
|
CollectedNonMultipleSelectValue value;
|
|
value.mSelectedIndex = aValue.get_SingleSelect().index();
|
|
value.mValue = aValue.get_SingleSelect().value();
|
|
SetElementAsSelect(select, value);
|
|
}
|
|
break;
|
|
}
|
|
case Type::TMultipleSelect: {
|
|
if (RefPtr<HTMLSelectElement> select = HTMLSelectElement::FromNode(aNode);
|
|
select && select->Multiple()) {
|
|
SetElementAsMultiSelect(select,
|
|
aValue.get_MultipleSelect().valueList());
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE();
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
void SessionStoreUtils::RestoreFormData(
|
|
Document& aDocument, const nsString& aInnerHTML,
|
|
const nsTArray<SessionStoreRestoreData::Entry>& aEntries) {
|
|
using Change = SessionStoreChangeListener::Change;
|
|
SessionStoreChangeListener::CollectSessionStoreData(
|
|
aDocument.GetWindowContext(), EnumSet<Change>(Change::Input));
|
|
|
|
if (!aInnerHTML.IsEmpty()) {
|
|
SetInnerHTML(aDocument, aInnerHTML);
|
|
}
|
|
|
|
for (const auto& entry : aEntries) {
|
|
RefPtr<Element> node = entry.mIsXPath
|
|
? FindNodeByXPath(aDocument, entry.mData.id())
|
|
: aDocument.GetElementById(entry.mData.id());
|
|
if (node) {
|
|
RestoreFormEntry(node, entry.mData.value());
|
|
}
|
|
}
|
|
}
|
|
|
|
typedef void (*CollectorFunc)(JSContext* aCx, Document& aDocument,
|
|
Nullable<CollectedData>& aRetVal);
|
|
|
|
/**
|
|
* A function that will recursively call |CollectorFunc| to collect data for all
|
|
* non-dynamic frames in the current frame/docShell tree.
|
|
*/
|
|
static void CollectFrameTreeData(JSContext* aCx,
|
|
BrowsingContext* aBrowsingContext,
|
|
Nullable<CollectedData>& aRetVal,
|
|
CollectorFunc aFunc) {
|
|
if (aBrowsingContext->CreatedDynamically()) {
|
|
return;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = aBrowsingContext->GetDOMWindow();
|
|
if (!window || !window->GetDocShell()) {
|
|
return;
|
|
}
|
|
|
|
Document* document = window->GetExtantDoc();
|
|
if (!document) {
|
|
return;
|
|
}
|
|
|
|
/* Collect data from current frame */
|
|
aFunc(aCx, *document, aRetVal);
|
|
|
|
/* Collect data from all child frame */
|
|
nsTArray<JSObject*> childrenData;
|
|
SequenceRooter<JSObject*> rooter(aCx, &childrenData);
|
|
uint32_t trailingNullCounter = 0;
|
|
|
|
// This is not going to work for fission. Bug 1572084 for tracking it.
|
|
for (auto& child : aBrowsingContext->Children()) {
|
|
NullableRootedDictionary<CollectedData> data(aCx);
|
|
CollectFrameTreeData(aCx, child, data, aFunc);
|
|
if (data.IsNull()) {
|
|
childrenData.AppendElement(nullptr);
|
|
trailingNullCounter++;
|
|
continue;
|
|
}
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
if (!ToJSValue(aCx, data.SetValue(), &jsval)) {
|
|
JS_ClearPendingException(aCx);
|
|
continue;
|
|
}
|
|
childrenData.AppendElement(&jsval.toObject());
|
|
trailingNullCounter = 0;
|
|
}
|
|
|
|
if (trailingNullCounter != childrenData.Length()) {
|
|
childrenData.TruncateLength(childrenData.Length() - trailingNullCounter);
|
|
aRetVal.SetValue().mChildren.Construct() = std::move(childrenData);
|
|
}
|
|
}
|
|
|
|
/* static */ void SessionStoreUtils::CollectScrollPosition(
|
|
const GlobalObject& aGlobal, WindowProxyHolder& aWindow,
|
|
Nullable<CollectedData>& aRetVal) {
|
|
CollectFrameTreeData(aGlobal.Context(), aWindow.get(), aRetVal,
|
|
CollectCurrentScrollPosition);
|
|
}
|
|
|
|
/* static */ void SessionStoreUtils::CollectFormData(
|
|
const GlobalObject& aGlobal, WindowProxyHolder& aWindow,
|
|
Nullable<CollectedData>& aRetVal) {
|
|
CollectFrameTreeData(aGlobal.Context(), aWindow.get(), aRetVal,
|
|
CollectCurrentFormData);
|
|
}
|
|
|
|
/* static */ void SessionStoreUtils::ComposeInputData(
|
|
const nsTArray<CollectedInputDataValue>& aData, InputElementData& ret) {
|
|
nsTArray<int> selectedIndex, valueIdx;
|
|
nsTArray<nsString> id, selectVal, strVal, type;
|
|
nsTArray<bool> boolVal;
|
|
|
|
for (const CollectedInputDataValue& data : aData) {
|
|
id.AppendElement(data.id);
|
|
type.AppendElement(data.type);
|
|
|
|
if (data.value.is<mozilla::dom::CollectedNonMultipleSelectValue>()) {
|
|
valueIdx.AppendElement(selectVal.Length());
|
|
selectedIndex.AppendElement(
|
|
data.value.as<mozilla::dom::CollectedNonMultipleSelectValue>()
|
|
.mSelectedIndex);
|
|
selectVal.AppendElement(
|
|
data.value.as<mozilla::dom::CollectedNonMultipleSelectValue>()
|
|
.mValue);
|
|
} else if (data.value.is<CopyableTArray<nsString>>()) {
|
|
// The first valueIdx is "index of the first string value"
|
|
valueIdx.AppendElement(strVal.Length());
|
|
strVal.AppendElements(data.value.as<CopyableTArray<nsString>>());
|
|
// The second valueIdx is "index of the last string value" + 1
|
|
id.AppendElement(data.id);
|
|
type.AppendElement(data.type);
|
|
valueIdx.AppendElement(strVal.Length());
|
|
} else if (data.value.is<nsString>()) {
|
|
valueIdx.AppendElement(strVal.Length());
|
|
strVal.AppendElement(data.value.as<nsString>());
|
|
} else if (data.type.EqualsLiteral("bool")) {
|
|
valueIdx.AppendElement(boolVal.Length());
|
|
boolVal.AppendElement(data.value.as<bool>());
|
|
}
|
|
}
|
|
|
|
if (selectedIndex.Length() != 0) {
|
|
ret.mSelectedIndex.Construct(std::move(selectedIndex));
|
|
}
|
|
if (valueIdx.Length() != 0) {
|
|
ret.mValueIdx.Construct(std::move(valueIdx));
|
|
}
|
|
if (id.Length() != 0) {
|
|
ret.mId.Construct(std::move(id));
|
|
}
|
|
if (selectVal.Length() != 0) {
|
|
ret.mSelectVal.Construct(std::move(selectVal));
|
|
}
|
|
if (strVal.Length() != 0) {
|
|
ret.mStrVal.Construct(std::move(strVal));
|
|
}
|
|
if (type.Length() != 0) {
|
|
ret.mType.Construct(std::move(type));
|
|
}
|
|
if (boolVal.Length() != 0) {
|
|
ret.mBoolVal.Construct(std::move(boolVal));
|
|
}
|
|
}
|
|
|
|
already_AddRefed<nsISessionStoreRestoreData>
|
|
SessionStoreUtils::ConstructSessionStoreRestoreData(
|
|
const GlobalObject& aGlobal) {
|
|
nsCOMPtr<nsISessionStoreRestoreData> data = new SessionStoreRestoreData();
|
|
return data.forget();
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<Promise> SessionStoreUtils::InitializeRestore(
|
|
const GlobalObject& aGlobal, CanonicalBrowsingContext& aContext,
|
|
nsISessionStoreRestoreData* aData, ErrorResult& aError) {
|
|
if (!mozilla::SessionHistoryInParent()) {
|
|
MOZ_CRASH("why were we called?");
|
|
}
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(aContext.IsTop());
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(aData);
|
|
nsCOMPtr<SessionStoreRestoreData> data = do_QueryInterface(aData);
|
|
aContext.SetRestoreData(data, aError);
|
|
if (aError.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(aContext.GetSessionHistory());
|
|
aContext.GetSessionHistory()->ReloadCurrentEntry();
|
|
|
|
return aContext.GetRestorePromise();
|
|
}
|
|
|
|
/* static */
|
|
void SessionStoreUtils::RestoreDocShellState(
|
|
nsIDocShell* aDocShell, const DocShellRestoreState& aState) {
|
|
if (aDocShell) {
|
|
if (aState.URI()) {
|
|
aDocShell->SetCurrentURIForSessionStore(aState.URI());
|
|
}
|
|
RestoreDocShellCapabilities(aDocShell, aState.docShellCaps());
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<Promise> SessionStoreUtils::RestoreDocShellState(
|
|
const GlobalObject& aGlobal, CanonicalBrowsingContext& aContext,
|
|
const nsACString& aURL, const nsCString& aDocShellCaps,
|
|
ErrorResult& aError) {
|
|
MOZ_RELEASE_ASSERT(mozilla::SessionHistoryInParent());
|
|
MOZ_RELEASE_ASSERT(aContext.IsTop());
|
|
|
|
WindowGlobalParent* wgp = aContext.GetCurrentWindowGlobal();
|
|
if (!wgp) {
|
|
aError.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
|
|
MOZ_DIAGNOSTIC_ASSERT(global);
|
|
|
|
RefPtr<Promise> promise = Promise::Create(global, aError);
|
|
if (aError.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
if (!aURL.IsEmpty()) {
|
|
if (NS_FAILED(NS_NewURI(getter_AddRefs(uri), aURL))) {
|
|
aError.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
bool allowJavascript = true;
|
|
for (const nsACString& token :
|
|
nsCCharSeparatedTokenizer(aDocShellCaps, ',').ToRange()) {
|
|
if (token.EqualsLiteral("Javascript")) {
|
|
allowJavascript = false;
|
|
}
|
|
}
|
|
|
|
Unused << aContext.SetAllowJavascript(allowJavascript);
|
|
|
|
DocShellRestoreState state = {uri, aDocShellCaps};
|
|
|
|
// TODO (anny): Investigate removing this roundtrip.
|
|
wgp->SendRestoreDocShellState(state)->Then(
|
|
GetMainThreadSerialEventTarget(), __func__,
|
|
[promise](void) { promise->MaybeResolveWithUndefined(); },
|
|
[promise](void) { promise->MaybeRejectWithUndefined(); });
|
|
|
|
return promise.forget();
|
|
}
|
|
|
|
/* static */
|
|
void SessionStoreUtils::RestoreSessionStorageFromParent(
|
|
const GlobalObject& aGlobal, const CanonicalBrowsingContext& aContext,
|
|
const Record<nsCString, Record<nsString, nsString>>& aSessionStorage) {
|
|
nsTArray<SSCacheCopy> cacheInitList;
|
|
for (const auto& originEntry : aSessionStorage.Entries()) {
|
|
nsCOMPtr<nsIPrincipal> storagePrincipal =
|
|
BasePrincipal::CreateContentPrincipal(originEntry.mKey);
|
|
|
|
nsCString originKey;
|
|
nsresult rv = storagePrincipal->GetStorageOriginKey(originKey);
|
|
if (NS_FAILED(rv)) {
|
|
continue;
|
|
}
|
|
|
|
SSCacheCopy& cacheInit = *cacheInitList.AppendElement();
|
|
|
|
cacheInit.originKey() = originKey;
|
|
PrincipalToPrincipalInfo(storagePrincipal, &cacheInit.principalInfo());
|
|
|
|
for (const auto& entry : originEntry.mValue.Entries()) {
|
|
SSSetItemInfo& setItemInfo = *cacheInit.data().AppendElement();
|
|
setItemInfo.key() = entry.mKey;
|
|
setItemInfo.value() = entry.mValue;
|
|
}
|
|
}
|
|
|
|
BackgroundSessionStorageManager::LoadData(aContext.Id(), cacheInitList);
|
|
}
|
|
|
|
/* static */
|
|
nsresult SessionStoreUtils::ConstructFormDataValues(
|
|
JSContext* aCx, const nsTArray<sessionstore::FormEntry>& aValues,
|
|
nsTArray<Record<nsString, OwningStringOrBooleanOrObject>::EntryType>&
|
|
aEntries,
|
|
bool aParseSessionData) {
|
|
using EntryType = Record<nsString, OwningStringOrBooleanOrObject>::EntryType;
|
|
|
|
if (!aEntries.SetCapacity(aValues.Length(), fallible)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
for (const auto& value : aValues) {
|
|
EntryType* entry = aEntries.AppendElement();
|
|
|
|
using Type = sessionstore::FormEntryValue::Type;
|
|
switch (value.value().type()) {
|
|
case Type::TCheckbox:
|
|
entry->mValue.SetAsBoolean() = value.value().get_Checkbox().value();
|
|
break;
|
|
case Type::TTextField: {
|
|
if (aParseSessionData && value.id() == u"sessionData"_ns) {
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
const auto& fieldValue = value.value().get_TextField().value();
|
|
if (!JS_ParseJSON(aCx, fieldValue.get(), fieldValue.Length(),
|
|
&jsval) ||
|
|
!jsval.isObject()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
entry->mValue.SetAsObject() = &jsval.toObject();
|
|
} else {
|
|
entry->mValue.SetAsString() = value.value().get_TextField().value();
|
|
}
|
|
break;
|
|
}
|
|
case Type::TFileList: {
|
|
CollectedFileListValue file;
|
|
file.mFileList = value.value().get_FileList().valueList().Clone();
|
|
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
if (!ToJSValue(aCx, file, &jsval) || !jsval.isObject()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
entry->mValue.SetAsObject() = &jsval.toObject();
|
|
break;
|
|
}
|
|
case Type::TSingleSelect: {
|
|
CollectedNonMultipleSelectValue select;
|
|
select.mSelectedIndex = value.value().get_SingleSelect().index();
|
|
select.mValue = value.value().get_SingleSelect().value();
|
|
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
if (!ToJSValue(aCx, select, &jsval) || !jsval.isObject()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
entry->mValue.SetAsObject() = &jsval.toObject();
|
|
break;
|
|
}
|
|
case Type::TMultipleSelect: {
|
|
JS::Rooted<JS::Value> jsval(aCx);
|
|
if (!ToJSValue(aCx, value.value().get_MultipleSelect().valueList(),
|
|
&jsval) ||
|
|
!jsval.isObject()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
entry->mValue.SetAsObject() = &jsval.toObject();
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
entry->mKey = value.id();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static nsresult ConstructSessionStorageValue(
|
|
const nsTArray<SSSetItemInfo>& aValues,
|
|
Record<nsString, nsString>& aRecord) {
|
|
auto& entries = aRecord.Entries();
|
|
for (const auto& value : aValues) {
|
|
auto entry = entries.AppendElement();
|
|
entry->mKey = value.key();
|
|
entry->mValue = value.value();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */
|
|
nsresult SessionStoreUtils::ConstructSessionStorageValues(
|
|
CanonicalBrowsingContext* aBrowsingContext,
|
|
const nsTArray<SSCacheCopy>& aValues,
|
|
Record<nsCString, Record<nsString, nsString>>& aRecord) {
|
|
if (!aRecord.Entries().SetCapacity(aValues.Length(), fallible)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
for (const auto& value : aValues) {
|
|
auto storagePrincipal = PrincipalInfoToPrincipal(value.principalInfo());
|
|
if (storagePrincipal.isErr()) {
|
|
continue;
|
|
}
|
|
|
|
auto entry = aRecord.Entries().AppendElement();
|
|
|
|
if (!entry->mValue.Entries().SetCapacity(value.data().Length(), fallible)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (NS_FAILED(storagePrincipal.inspect()->GetOrigin(entry->mKey))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
ConstructSessionStorageValue(value.data(), entry->mValue);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */
|
|
bool SessionStoreUtils::CopyProperty(JSContext* aCx, JS::Handle<JSObject*> aDst,
|
|
JS::Handle<JSObject*> aSrc,
|
|
const nsAString& aName) {
|
|
JS::Rooted<JS::PropertyKey> name(aCx);
|
|
const char16_t* data;
|
|
size_t length = aName.GetData(&data);
|
|
|
|
if (!JS_CharsToId(aCx, JS::TwoByteChars(data, length), &name)) {
|
|
return false;
|
|
}
|
|
|
|
bool found = false;
|
|
if (!JS_HasPropertyById(aCx, aSrc, name, &found) || !found) {
|
|
return true;
|
|
}
|
|
|
|
JS::Rooted<JS::Value> value(aCx);
|
|
if (!JS_GetPropertyById(aCx, aSrc, name, &value)) {
|
|
return false;
|
|
}
|
|
|
|
if (value.isNullOrUndefined()) {
|
|
return true;
|
|
}
|
|
|
|
return JS_DefinePropertyById(aCx, aDst, name, value, JSPROP_ENUMERATE);
|
|
}
|