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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "mozilla/dom/WindowGlobalParent.h"
#include <algorithm>
#include "mozilla/AntiTrackingUtils.h"
#include "mozilla/AsyncEventDispatcher.h"
#include "mozilla/BounceTrackingStorageObserver.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/ContentBlockingAllowList.h"
#include "mozilla/dom/InProcessParent.h"
#include "mozilla/dom/BrowserBridgeParent.h"
#include "mozilla/dom/BrowsingContextGroup.h"
#include "mozilla/dom/CanonicalBrowsingContext.h"
#include "mozilla/dom/ClientInfo.h"
#include "mozilla/dom/ClientIPCTypes.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/BrowserHost.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/IdentityCredential.h"
#include "mozilla/dom/MediaController.h"
#include "mozilla/dom/WindowGlobalChild.h"
#include "mozilla/dom/ChromeUtils.h"
#include "mozilla/dom/UseCounterMetrics.h"
#include "mozilla/dom/ipc/IdType.h"
#include "mozilla/dom/ipc/StructuredCloneData.h"
#include "mozilla/glean/GleanMetrics.h"
#include "mozilla/Components.h"
#include "mozilla/ScopeExit.h"
#include "mozilla/ServoCSSParser.h"
#include "mozilla/ServoStyleSet.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/StaticPrefs_network.h"
#include "mozilla/Telemetry.h"
#include "mozilla/Variant.h"
#include "mozilla/ipc/ProtocolUtils.h"
#include "MMPrinter.h"
#include "nsContentUtils.h"
#include "nsDocShell.h"
#include "nsDocShellLoadState.h"
#include "nsError.h"
#include "nsFrameLoader.h"
#include "nsFrameLoaderOwner.h"
#include "nsICookieManager.h"
#include "nsICookieService.h"
#include "nsQueryObject.h"
#include "nsNetUtil.h"
#include "nsSandboxFlags.h"
#include "nsSerializationHelper.h"
#include "nsIBrowser.h"
#include "nsIEffectiveTLDService.h"
#include "nsIHttpsOnlyModePermission.h"
#include "nsIPromptCollection.h"
#include "nsITimer.h"
#include "nsITransportSecurityInfo.h"
#include "nsISharePicker.h"
#include "nsIURIMutator.h"
#include "nsIWebProgressListener.h"
#include "nsScriptSecurityManager.h"
#include "nsIOService.h"
#include "mozilla/dom/DOMException.h"
#include "mozilla/dom/DOMExceptionBinding.h"
#include "mozilla/dom/JSActorService.h"
#include "mozilla/dom/JSWindowActorBinding.h"
#include "mozilla/dom/JSWindowActorParent.h"
#include "mozilla/net/NeckoParent.h"
#include "mozilla/net/PCookieServiceParent.h"
#include "mozilla/net/CookieServiceParent.h"
#include "SessionStoreFunctions.h"
#include "nsIXPConnect.h"
#include "nsImportModule.h"
#include "nsIXULRuntime.h"
#include "mozilla/dom/PBackgroundSessionStorageCache.h"
using namespace mozilla::ipc;
using namespace mozilla::dom::ipc;
extern mozilla::LazyLogModule gSHIPBFCacheLog;
extern mozilla::LazyLogModule gUseCountersLog;
namespace mozilla::dom {
WindowGlobalParent::WindowGlobalParent(
CanonicalBrowsingContext* aBrowsingContext, uint64_t aInnerWindowId,
uint64_t aOuterWindowId, FieldValues&& aInit)
: WindowContext(aBrowsingContext, aInnerWindowId, aOuterWindowId,
std::move(aInit)),
mSandboxFlags(0),
mDocumentHasLoaded(false),
mDocumentHasUserInteracted(false),
mBlockAllMixedContent(false),
mUpgradeInsecureRequests(false) {
MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess(), "Parent process only");
}
already_AddRefed<WindowGlobalParent> WindowGlobalParent::CreateDisconnected(
const WindowGlobalInit& aInit) {
RefPtr<CanonicalBrowsingContext> browsingContext =
CanonicalBrowsingContext::Get(aInit.context().mBrowsingContextId);
if (NS_WARN_IF(!browsingContext)) {
return nullptr;
}
RefPtr<WindowGlobalParent> wgp =
GetByInnerWindowId(aInit.context().mInnerWindowId);
MOZ_RELEASE_ASSERT(!wgp, "Creating duplicate WindowGlobalParent");
FieldValues fields(aInit.context().mFields);
wgp =
new WindowGlobalParent(browsingContext, aInit.context().mInnerWindowId,
aInit.context().mOuterWindowId, std::move(fields));
wgp->mDocumentPrincipal = aInit.principal();
wgp->mDocumentURI = aInit.documentURI();
wgp->mIsInitialDocument = Some(aInit.isInitialDocument());
wgp->mBlockAllMixedContent = aInit.blockAllMixedContent();
wgp->mUpgradeInsecureRequests = aInit.upgradeInsecureRequests();
wgp->mSandboxFlags = aInit.sandboxFlags();
wgp->mHttpsOnlyStatus = aInit.httpsOnlyStatus();
wgp->mSecurityInfo = aInit.securityInfo();
net::CookieJarSettings::Deserialize(aInit.cookieJarSettings(),
getter_AddRefs(wgp->mCookieJarSettings));
MOZ_RELEASE_ASSERT(wgp->mDocumentPrincipal, "Must have a valid principal");
nsresult rv = wgp->SetDocumentStoragePrincipal(aInit.storagePrincipal());
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv),
"Must succeed in setting storage principal");
return wgp.forget();
}
void WindowGlobalParent::Init() {
MOZ_ASSERT(Manager(), "Should have a manager!");
// Invoke our base class' `Init` method. This will register us in
// `gWindowContexts`.
WindowContext::Init();
// Determine which content process the window global is coming from.
dom::ContentParentId processId(0);
ContentParent* cp = nullptr;
if (!IsInProcess()) {
cp = static_cast<ContentParent*>(Manager()->Manager());
processId = cp->ChildID();
// Ensure the content process has permissions for this principal.
cp->TransmitPermissionsForPrincipal(mDocumentPrincipal);
}
MOZ_DIAGNOSTIC_ASSERT(
!BrowsingContext()->GetParent() ||
BrowsingContext()->GetEmbedderInnerWindowId(),
"When creating a non-root WindowGlobalParent, the WindowGlobalParent "
"for our embedder should've already been created.");
// Ensure we have a document URI
if (!mDocumentURI) {
NS_NewURI(getter_AddRefs(mDocumentURI), "about:blank");
}
// NOTE: `cp` may be nullptr, but that's OK, we need to tell every other
// process in our group in that case.
IPCInitializer ipcinit = GetIPCInitializer();
Group()->EachOtherParent(cp, [&](ContentParent* otherContent) {
Unused << otherContent->SendCreateWindowContext(ipcinit);
});
if (!BrowsingContext()->IsDiscarded()) {
MOZ_ALWAYS_SUCCEEDS(
BrowsingContext()->SetCurrentInnerWindowId(InnerWindowId()));
Unused << SendSetContainerFeaturePolicy(
BrowsingContext()->GetContainerFeaturePolicy());
}
if (BrowsingContext()->IsTopContent()) {
// For top level sandboxed documents we need to create a new principal
// from URI + OriginAttributes, since the document principal will be a
if (mSandboxFlags & SANDBOXED_ORIGIN) {
ContentBlockingAllowList::RecomputePrincipal(
mDocumentURI, mDocumentPrincipal->OriginAttributesRef(),
getter_AddRefs(mDocContentBlockingAllowListPrincipal));
} else {
ContentBlockingAllowList::ComputePrincipal(
mDocumentPrincipal,
getter_AddRefs(mDocContentBlockingAllowListPrincipal));
}
}
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (obs) {
obs->NotifyObservers(ToSupports(this), "window-global-created", nullptr);
}
if (!BrowsingContext()->IsDiscarded() && ShouldTrackSiteOriginTelemetry()) {
mOriginCounter.emplace();
mOriginCounter->UpdateSiteOriginsFrom(this, /* aIncrease = */ true);
}
}
void WindowGlobalParent::OriginCounter::UpdateSiteOriginsFrom(
WindowGlobalParent* aParent, bool aIncrease) {
MOZ_RELEASE_ASSERT(aParent);
if (aParent->DocumentPrincipal()->GetIsContentPrincipal()) {
nsAutoCString origin;
aParent->DocumentPrincipal()->GetSiteOrigin(origin);
if (aIncrease) {
int32_t& count = mOriginMap.LookupOrInsert(origin);
count += 1;
mMaxOrigins = std::max(mMaxOrigins, mOriginMap.Count());
} else if (auto entry = mOriginMap.Lookup(origin)) {
entry.Data() -= 1;
if (entry.Data() == 0) {
entry.Remove();
}
}
}
}
void WindowGlobalParent::OriginCounter::Accumulate() {
mozilla::glean::geckoview::per_document_site_origins.AccumulateSingleSample(
mMaxOrigins);
mMaxOrigins = 0;
mOriginMap.Clear();
}
/* static */
already_AddRefed<WindowGlobalParent> WindowGlobalParent::GetByInnerWindowId(
uint64_t aInnerWindowId) {
if (!XRE_IsParentProcess()) {
return nullptr;
}
return WindowContext::GetById(aInnerWindowId).downcast<WindowGlobalParent>();
}
already_AddRefed<WindowGlobalChild> WindowGlobalParent::GetChildActor() {
if (!CanSend()) {
return nullptr;
}
IProtocol* otherSide = InProcessParent::ChildActorFor(this);
return do_AddRef(static_cast<WindowGlobalChild*>(otherSide));
}
BrowserParent* WindowGlobalParent::GetBrowserParent() {
if (IsInProcess() || !CanSend()) {
return nullptr;
}
return static_cast<BrowserParent*>(Manager());
}
ContentParent* WindowGlobalParent::GetContentParent() {
if (IsInProcess() || !CanSend()) {
return nullptr;
}
return static_cast<ContentParent*>(Manager()->Manager());
}
already_AddRefed<nsFrameLoader> WindowGlobalParent::GetRootFrameLoader() {
dom::BrowsingContext* top = BrowsingContext()->Top();
RefPtr<nsFrameLoaderOwner> frameLoaderOwner =
do_QueryObject(top->GetEmbedderElement());
if (frameLoaderOwner) {
return frameLoaderOwner->GetFrameLoader();
}
return nullptr;
}
uint64_t WindowGlobalParent::ContentParentId() {
RefPtr<BrowserParent> browserParent = GetBrowserParent();
return browserParent ? browserParent->Manager()->ChildID() : 0;
}
int32_t WindowGlobalParent::OsPid() {
RefPtr<BrowserParent> browserParent = GetBrowserParent();
return browserParent ? browserParent->Manager()->Pid() : -1;
}
// A WindowGlobalPaernt is the root in its process if it has no parent, or its
// embedder is in a different process.
bool WindowGlobalParent::IsProcessRoot() {
if (!BrowsingContext()->GetParent()) {
return true;
}
RefPtr<WindowGlobalParent> embedder =
BrowsingContext()->GetEmbedderWindowGlobal();
if (NS_WARN_IF(!embedder)) {
return false;
}
return ContentParentId() != embedder->ContentParentId();
}
uint32_t WindowGlobalParent::ContentBlockingEvents() {
return GetContentBlockingLog()->GetContentBlockingEventsInLog();
}
void WindowGlobalParent::GetContentBlockingLog(nsAString& aLog) {
NS_ConvertUTF8toUTF16 log(GetContentBlockingLog()->Stringify());
aLog.Assign(std::move(log));
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvLoadURI(
const MaybeDiscarded<dom::BrowsingContext>& aTargetBC,
nsDocShellLoadState* aLoadState, bool aSetNavigating) {
if (aTargetBC.IsNullOrDiscarded()) {
MOZ_LOG(
BrowsingContext::GetLog(), LogLevel::Debug,
("ParentIPC: Trying to send a message with dead or detached context"));
return IPC_OK();
}
if (net::SchemeIsJavascript(aLoadState->URI())) {
return IPC_FAIL(this, "Illegal cross-process javascript: load attempt");
}
RefPtr<CanonicalBrowsingContext> targetBC = aTargetBC.get_canonical();
// FIXME: For cross-process loads, we should double check CanAccess() for the
// source browsing context in the parent process.
if (targetBC->Group() != BrowsingContext()->Group()) {
return IPC_FAIL(this, "Illegal cross-group BrowsingContext load");
}
// FIXME: We should really initiate the load in the parent before bouncing
// back down to the child.
targetBC->LoadURI(aLoadState, aSetNavigating);
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvInternalLoad(
nsDocShellLoadState* aLoadState) {
if (!aLoadState->Target().IsEmpty() ||
aLoadState->TargetBrowsingContext().IsNull()) {
return IPC_FAIL(this, "must already be retargeted");
}
if (aLoadState->TargetBrowsingContext().IsDiscarded()) {
MOZ_LOG(
BrowsingContext::GetLog(), LogLevel::Debug,
("ParentIPC: Trying to send a message with dead or detached context"));
return IPC_OK();
}
if (net::SchemeIsJavascript(aLoadState->URI())) {
return IPC_FAIL(this, "Illegal cross-process javascript: load attempt");
}
RefPtr<CanonicalBrowsingContext> targetBC =
aLoadState->TargetBrowsingContext().get_canonical();
// FIXME: For cross-process loads, we should double check CanAccess() for the
// source browsing context in the parent process.
if (targetBC->Group() != BrowsingContext()->Group()) {
return IPC_FAIL(this, "Illegal cross-group BrowsingContext load");
}
// FIXME: We should really initiate the load in the parent before bouncing
// back down to the child.
targetBC->InternalLoad(aLoadState);
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvUpdateDocumentURI(NotNull<nsIURI*> aURI) {
// XXX(nika): Assert that the URI change was one which makes sense (either
// about:blank -> a real URI, or a legal push/popstate URI change):
if (StaticPrefs::dom_security_setdocumenturi()) {
nsAutoCString scheme;
if (NS_FAILED(aURI->GetScheme(scheme))) {
return IPC_FAIL(this, "Setting DocumentURI without scheme.");
}
nsCOMPtr<nsIIOService> ios = do_GetIOService();
if (!ios) {
return IPC_FAIL(this, "Cannot get IOService");
}
nsCOMPtr<nsIProtocolHandler> handler;
ios->GetProtocolHandler(scheme.get(), getter_AddRefs(handler));
if (!handler) {
return IPC_FAIL(this, "Setting DocumentURI with unknown protocol.");
}
nsCOMPtr<nsIURI> principalURI = mDocumentPrincipal->GetURI();
if (mDocumentPrincipal->GetIsNullPrincipal()) {
nsCOMPtr<nsIPrincipal> precursor =
mDocumentPrincipal->GetPrecursorPrincipal();
if (precursor) {
principalURI = precursor->GetURI();
}
}
if (nsScriptSecurityManager::IsHttpOrHttpsAndCrossOrigin(principalURI,
aURI)) {
return IPC_FAIL(this,
"Setting DocumentURI with a different Origin than "
"principal URI");
}
}
mDocumentURI = aURI;
return IPC_OK();
}
nsresult WindowGlobalParent::SetDocumentStoragePrincipal(
nsIPrincipal* aNewDocumentStoragePrincipal) {
if (mDocumentPrincipal->Equals(aNewDocumentStoragePrincipal)) {
mDocumentStoragePrincipal = mDocumentPrincipal;
return NS_OK;
}
// Compare originNoSuffix to ensure it's equal.
nsCString noSuffix;
nsresult rv = mDocumentPrincipal->GetOriginNoSuffix(noSuffix);
if (NS_FAILED(rv)) {
return rv;
}
nsCString storageNoSuffix;
rv = aNewDocumentStoragePrincipal->GetOriginNoSuffix(storageNoSuffix);
if (NS_FAILED(rv)) {
return rv;
}
if (noSuffix != storageNoSuffix) {
return NS_ERROR_FAILURE;
}
if (!mDocumentPrincipal->OriginAttributesRef().EqualsIgnoringPartitionKey(
aNewDocumentStoragePrincipal->OriginAttributesRef())) {
return NS_ERROR_FAILURE;
}
mDocumentStoragePrincipal = aNewDocumentStoragePrincipal;
return NS_OK;
}
IPCResult WindowGlobalParent::RecvUpdateDocumentPrincipal(
nsIPrincipal* aNewDocumentPrincipal,
nsIPrincipal* aNewDocumentStoragePrincipal) {
if (!mDocumentPrincipal->Equals(aNewDocumentPrincipal)) {
return IPC_FAIL(this,
"Trying to reuse WindowGlobalParent but the principal of "
"the new document does not match the old one");
}
mDocumentPrincipal = aNewDocumentPrincipal;
if (NS_FAILED(SetDocumentStoragePrincipal(aNewDocumentStoragePrincipal))) {
return IPC_FAIL(this,
"Trying to reuse WindowGlobalParent but the principal of "
"the new document does not match the storage principal");
}
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvUpdateDocumentTitle(
const nsString& aTitle) {
if (mDocumentTitle.isSome() && mDocumentTitle.value() == aTitle) {
return IPC_OK();
}
mDocumentTitle = Some(aTitle);
// Send a pagetitlechanged event only for changes to the title
// for top-level frames.
if (!BrowsingContext()->IsTop()) {
return IPC_OK();
}
// Notify media controller in order to update its default metadata.
if (BrowsingContext()->HasCreatedMediaController()) {
BrowsingContext()->GetMediaController()->NotifyPageTitleChanged();
}
Element* frameElement = BrowsingContext()->GetEmbedderElement();
if (!frameElement) {
return IPC_OK();
}
AsyncEventDispatcher::RunDOMEventWhenSafe(
*frameElement, u"pagetitlechanged"_ns, CanBubble::eYes,
ChromeOnlyDispatch::eYes);
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvUpdateHttpsOnlyStatus(
uint32_t aHttpsOnlyStatus) {
mHttpsOnlyStatus = aHttpsOnlyStatus;
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvUpdateDocumentHasLoaded(
bool aDocumentHasLoaded) {
mDocumentHasLoaded = aDocumentHasLoaded;
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvUpdateDocumentHasUserInteracted(
bool aDocumentHasUserInteracted) {
mDocumentHasUserInteracted = aDocumentHasUserInteracted;
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvUpdateSandboxFlags(uint32_t aSandboxFlags) {
mSandboxFlags = aSandboxFlags;
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvUpdateDocumentCspSettings(
bool aBlockAllMixedContent, bool aUpgradeInsecureRequests) {
mBlockAllMixedContent = aBlockAllMixedContent;
mUpgradeInsecureRequests = aUpgradeInsecureRequests;
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvSetClientInfo(
const IPCClientInfo& aIPCClientInfo) {
mClientInfo = Some(ClientInfo(aIPCClientInfo));
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvDestroy() {
// Make a copy so that we can avoid potential iterator invalidation when
// calling the user-provided Destroy() methods.
JSActorWillDestroy();
if (CanSend()) {
RefPtr<BrowserParent> browserParent = GetBrowserParent();
if (!browserParent || !browserParent->IsDestroyed()) {
Unused << Send__delete__(this);
}
}
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvRawMessage(
const JSActorMessageMeta& aMeta, const Maybe<ClonedMessageData>& aData,
const Maybe<ClonedMessageData>& aStack) {
Maybe<StructuredCloneData> data;
if (aData) {
data.emplace();
data->BorrowFromClonedMessageData(*aData);
}
Maybe<StructuredCloneData> stack;
if (aStack) {
stack.emplace();
stack->BorrowFromClonedMessageData(*aStack);
}
MMPrinter::Print("WindowGlobalParent::RecvRawMessage", aMeta.actorName(),
aMeta.messageName(), aData);
ReceiveRawMessage(aMeta, std::move(data), std::move(stack));
return IPC_OK();
}
const nsACString& WindowGlobalParent::GetRemoteType() {
if (RefPtr<BrowserParent> browserParent = GetBrowserParent()) {
return browserParent->Manager()->GetRemoteType();
}
return NOT_REMOTE_TYPE;
}
void WindowGlobalParent::NotifyContentBlockingEvent(
uint32_t aEvent, nsIRequest* aRequest, bool aBlocked,
const nsACString& aTrackingOrigin,
const nsTArray<nsCString>& aTrackingFullHashes,
const Maybe<ContentBlockingNotifier::StorageAccessPermissionGrantedReason>&
aReason,
const Maybe<ContentBlockingNotifier::CanvasFingerprinter>&
aCanvasFingerprinter,
const Maybe<bool> aCanvasFingerprinterKnownText) {
MOZ_ASSERT(NS_IsMainThread());
DebugOnly<bool> isCookiesBlocked =
aEvent == nsIWebProgressListener::STATE_COOKIES_BLOCKED_TRACKER ||
aEvent == nsIWebProgressListener::STATE_COOKIES_BLOCKED_SOCIALTRACKER;
MOZ_ASSERT_IF(aBlocked, aReason.isNothing());
MOZ_ASSERT_IF(!isCookiesBlocked, aReason.isNothing());
MOZ_ASSERT_IF(isCookiesBlocked && !aBlocked, aReason.isSome());
MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());
// MOZ_DIAGNOSTIC_ASSERT_IF(XRE_IsE10sParentProcess(), !IsInProcess());
// Return early if this WindowGlobalParent is in process.
if (IsInProcess()) {
return;
}
Maybe<uint32_t> event = GetContentBlockingLog()->RecordLogParent(
aTrackingOrigin, aEvent, aBlocked, aReason, aTrackingFullHashes,
aCanvasFingerprinter, aCanvasFingerprinterKnownText);
// Notify the OnContentBlockingEvent if necessary.
if (event) {
if (auto* webProgress = GetBrowsingContext()->GetWebProgress()) {
webProgress->OnContentBlockingEvent(webProgress, aRequest, event.value());
}
}
}
already_AddRefed<JSWindowActorParent> WindowGlobalParent::GetActor(
JSContext* aCx, const nsACString& aName, ErrorResult& aRv) {
return JSActorManager::GetActor(aCx, aName, aRv)
.downcast<JSWindowActorParent>();
}
already_AddRefed<JSWindowActorParent> WindowGlobalParent::GetExistingActor(
const nsACString& aName) {
return JSActorManager::GetExistingActor(aName)
.downcast<JSWindowActorParent>();
}
already_AddRefed<JSActor> WindowGlobalParent::InitJSActor(
JS::Handle<JSObject*> aMaybeActor, const nsACString& aName,
ErrorResult& aRv) {
RefPtr<JSWindowActorParent> actor;
if (aMaybeActor.get()) {
aRv = UNWRAP_OBJECT(JSWindowActorParent, aMaybeActor.get(), actor);
if (aRv.Failed()) {
return nullptr;
}
} else {
actor = new JSWindowActorParent();
}
MOZ_RELEASE_ASSERT(!actor->GetManager(),
"mManager was already initialized once!");
actor->Init(aName, this);
return actor.forget();
}
bool WindowGlobalParent::IsCurrentGlobal() {
if (mozilla::SessionHistoryInParent() && BrowsingContext() &&
BrowsingContext()->IsInBFCache()) {
return false;
}
return CanSend() && BrowsingContext()->GetCurrentWindowGlobal() == this;
}
bool WindowGlobalParent::IsActiveInTab() {
if (!CanSend()) {
return false;
}
CanonicalBrowsingContext* bc = BrowsingContext();
if (!bc || bc->GetCurrentWindowGlobal() != this) {
return false;
}
// We check the top BC so we don't need to worry about getting a stale value.
// That may not be necessary.
MOZ_ASSERT(bc->Top()->IsInBFCache() == bc->IsInBFCache(),
"BFCache bit out of sync?");
return bc->AncestorsAreCurrent() && !bc->Top()->IsInBFCache();
}
namespace {
class ShareHandler final : public PromiseNativeHandler {
public:
explicit ShareHandler(
mozilla::dom::WindowGlobalParent::ShareResolver&& aResolver)
: mResolver(std::move(aResolver)) {}
NS_DECL_ISUPPORTS
public:
virtual void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override {
mResolver(NS_OK);
}
virtual void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override {
if (NS_WARN_IF(!aValue.isObject())) {
mResolver(NS_ERROR_FAILURE);
return;
}
// nsresult is stored as Exception internally in Promise
JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
RefPtr<DOMException> unwrapped;
nsresult rv = UNWRAP_OBJECT(DOMException, &obj, unwrapped);
if (NS_WARN_IF(NS_FAILED(rv))) {
mResolver(NS_ERROR_FAILURE);
return;
}
mResolver(unwrapped->GetResult());
}
private:
~ShareHandler() = default;
mozilla::dom::WindowGlobalParent::ShareResolver mResolver;
};
NS_IMPL_ISUPPORTS0(ShareHandler)
} // namespace
mozilla::ipc::IPCResult WindowGlobalParent::RecvGetContentBlockingEvents(
WindowGlobalParent::GetContentBlockingEventsResolver&& aResolver) {
uint32_t events = GetContentBlockingLog()->GetContentBlockingEventsInLog();
aResolver(events);
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvUpdateCookieJarSettings(
const CookieJarSettingsArgs& aCookieJarSettingsArgs) {
net::CookieJarSettings::Deserialize(aCookieJarSettingsArgs,
getter_AddRefs(mCookieJarSettings));
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvUpdateDocumentSecurityInfo(
nsITransportSecurityInfo* aSecurityInfo) {
mSecurityInfo = aSecurityInfo;
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvShare(
IPCWebShareData&& aData, WindowGlobalParent::ShareResolver&& aResolver) {
// Widget Layer handoff...
nsCOMPtr<nsISharePicker> sharePicker =
do_GetService("@mozilla.org/sharepicker;1");
if (!sharePicker) {
aResolver(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return IPC_OK();
}
// Initialize the ShareWidget
RefPtr<BrowserParent> parent = GetBrowserParent();
nsCOMPtr<mozIDOMWindowProxy> openerWindow;
if (parent) {
openerWindow = parent->GetParentWindowOuter();
if (!openerWindow) {
aResolver(NS_ERROR_FAILURE);
return IPC_OK();
}
}
sharePicker->Init(openerWindow);
// And finally share the data...
RefPtr<Promise> promise;
nsresult rv = sharePicker->Share(aData.title(), aData.text(), aData.url(),
getter_AddRefs(promise));
if (NS_FAILED(rv)) {
aResolver(rv);
return IPC_OK();
}
// Handler finally awaits response...
RefPtr<ShareHandler> handler = new ShareHandler(std::move(aResolver));
promise->AppendNativeHandler(handler);
return IPC_OK();
}
namespace {
class CheckPermitUnloadRequest final : public PromiseNativeHandler,
public nsITimerCallback {
public:
CheckPermitUnloadRequest(WindowGlobalParent* aWGP, bool aHasInProcessBlocker,
nsIDocumentViewer::PermitUnloadAction aAction,
std::function<void(bool)>&& aResolver)
: mResolver(std::move(aResolver)),
mWGP(aWGP),
mAction(aAction),
mFoundBlocker(aHasInProcessBlocker) {}
void Run(ContentParent* aIgnoreProcess = nullptr, uint32_t aTimeout = 0) {
MOZ_ASSERT(mState == State::UNINITIALIZED);
mState = State::WAITING;
RefPtr<CheckPermitUnloadRequest> self(this);
AutoTArray<ContentParent*, 8> seen;
if (aIgnoreProcess) {
seen.AppendElement(aIgnoreProcess);
}
BrowsingContext* bc = mWGP->GetBrowsingContext();
bc->PreOrderWalk([&](dom::BrowsingContext* aBC) {
if (WindowGlobalParent* wgp =
aBC->Canonical()->GetCurrentWindowGlobal()) {
ContentParent* cp = wgp->GetContentParent();
if (wgp->HasBeforeUnload() && !seen.ContainsSorted(cp)) {
seen.InsertElementSorted(cp);
mPendingRequests++;
auto resolve = [self](bool blockNavigation) {
if (blockNavigation) {
self->mFoundBlocker = true;
}
self->ResolveRequest();
};
if (cp) {
cp->SendDispatchBeforeUnloadToSubtree(
bc, resolve, [self](auto) { self->ResolveRequest(); });
} else {
ContentChild::DispatchBeforeUnloadToSubtree(bc, resolve);
}
}
}
});
if (mPendingRequests && aTimeout) {
Unused << NS_NewTimerWithCallback(getter_AddRefs(mTimer), this, aTimeout,
nsITimer::TYPE_ONE_SHOT);
}
CheckDoneWaiting();
}
void ResolveRequest() {
mPendingRequests--;
CheckDoneWaiting();
}
NS_IMETHODIMP Notify(nsITimer* aTimer) override {
MOZ_ASSERT(aTimer == mTimer);
if (mState == State::WAITING) {
mState = State::TIMED_OUT;
CheckDoneWaiting();
}
return NS_OK;
}
void CheckDoneWaiting() {
// If we've found a blocker, we prompt immediately without waiting for
// further responses. The user's response applies to the entire navigation
// attempt, regardless of how many "beforeunload" listeners we call.
if (mState != State::TIMED_OUT &&
(mState != State::WAITING || (mPendingRequests && !mFoundBlocker))) {
return;
}
mState = State::PROMPTING;
// Clearing our reference to the timer will automatically cancel it if it's
// still running.
mTimer = nullptr;
if (!mFoundBlocker) {
SendReply(true);
return;
}
auto action = mAction;
if (StaticPrefs::dom_disable_beforeunload()) {
action = nsIDocumentViewer::eDontPromptAndUnload;
}
if (action != nsIDocumentViewer::ePrompt) {
SendReply(action == nsIDocumentViewer::eDontPromptAndUnload);
return;
}
// Handle any failure in prompting by aborting the navigation. See comment
// in nsContentViewer::PermitUnload for reasoning.
auto cleanup = MakeScopeExit([&]() { SendReply(false); });
if (nsCOMPtr<nsIPromptCollection> prompt =
do_GetService("@mozilla.org/embedcomp/prompt-collection;1")) {
RefPtr<Promise> promise;
prompt->AsyncBeforeUnloadCheck(mWGP->GetBrowsingContext(),
getter_AddRefs(promise));
if (!promise) {
return;
}
promise->AppendNativeHandler(this);
cleanup.release();
}
}
void SendReply(bool aAllow) {
MOZ_ASSERT(mState != State::REPLIED);
mResolver(aAllow);
mState = State::REPLIED;
}
void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override {
MOZ_ASSERT(mState == State::PROMPTING);
SendReply(JS::ToBoolean(aValue));
}
void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override {
MOZ_ASSERT(mState == State::PROMPTING);
SendReply(false);
}
NS_DECL_ISUPPORTS
private:
~CheckPermitUnloadRequest() {
// We may get here without having sent a reply if the promise we're waiting
// on is destroyed without being resolved or rejected.
if (mState != State::REPLIED) {
SendReply(false);
}
}
enum class State : uint8_t {
UNINITIALIZED,
WAITING,
TIMED_OUT,
PROMPTING,
REPLIED,
};
std::function<void(bool)> mResolver;
RefPtr<WindowGlobalParent> mWGP;
nsCOMPtr<nsITimer> mTimer;
uint32_t mPendingRequests = 0;
nsIDocumentViewer::PermitUnloadAction mAction;
State mState = State::UNINITIALIZED;
bool mFoundBlocker = false;
};
NS_IMPL_ISUPPORTS(CheckPermitUnloadRequest, nsITimerCallback)
} // namespace
mozilla::ipc::IPCResult WindowGlobalParent::RecvCheckPermitUnload(
bool aHasInProcessBlocker, XPCOMPermitUnloadAction aAction,
CheckPermitUnloadResolver&& aResolver) {
if (!IsCurrentGlobal()) {
aResolver(false);
return IPC_OK();
}
auto request = MakeRefPtr<CheckPermitUnloadRequest>(
this, aHasInProcessBlocker, aAction, std::move(aResolver));
request->Run(/* aIgnoreProcess */ GetContentParent());
return IPC_OK();
}
already_AddRefed<Promise> WindowGlobalParent::PermitUnload(
PermitUnloadAction aAction, uint32_t aTimeout, mozilla::ErrorResult& aRv) {
nsIGlobalObject* global = GetParentObject();
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
auto request = MakeRefPtr<CheckPermitUnloadRequest>(
this, /* aHasInProcessBlocker */ false,
nsIDocumentViewer::PermitUnloadAction(aAction),
[promise](bool aAllow) { promise->MaybeResolve(aAllow); });
request->Run(/* aIgnoreProcess */ nullptr, aTimeout);
return promise.forget();
}
void WindowGlobalParent::PermitUnload(std::function<void(bool)>&& aResolver) {
RefPtr<CheckPermitUnloadRequest> request = new CheckPermitUnloadRequest(
this, /* aHasInProcessBlocker */ false,
nsIDocumentViewer::PermitUnloadAction::ePrompt, std::move(aResolver));
request->Run();
}
already_AddRefed<mozilla::dom::Promise> WindowGlobalParent::DrawSnapshot(
const DOMRect* aRect, double aScale, const nsACString& aBackgroundColor,
bool aResetScrollPosition, mozilla::ErrorResult& aRv) {
nsIGlobalObject* global = GetParentObject();
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nscolor color;
if (NS_WARN_IF(!ServoCSSParser::ComputeColor(nullptr, NS_RGB(0, 0, 0),
aBackgroundColor, &color,
nullptr, nullptr))) {
aRv = NS_ERROR_FAILURE;
return nullptr;
}
gfx::CrossProcessPaintFlags flags =
gfx::CrossProcessPaintFlags::UseHighQualityScaling;
if (!aRect) {
// If no explicit Rect was passed, we want the currently visible viewport.
flags |= gfx::CrossProcessPaintFlags::DrawView;
} else if (aResetScrollPosition) {
flags |= gfx::CrossProcessPaintFlags::ResetScrollPosition;
}
if (!gfx::CrossProcessPaint::Start(this, aRect, (float)aScale, color, flags,
promise)) {
aRv = NS_ERROR_FAILURE;
return nullptr;
}
return promise.forget();
}
void WindowGlobalParent::DrawSnapshotInternal(gfx::CrossProcessPaint* aPaint,
const Maybe<IntRect>& aRect,
float aScale,
nscolor aBackgroundColor,
uint32_t aFlags) {
auto promise = SendDrawSnapshot(aRect, aScale, aBackgroundColor, aFlags);
RefPtr<gfx::CrossProcessPaint> paint(aPaint);
RefPtr<WindowGlobalParent> wgp(this);
promise->Then(
GetMainThreadSerialEventTarget(), __func__,
[paint, wgp](PaintFragment&& aFragment) {
paint->ReceiveFragment(wgp, std::move(aFragment));
},
[paint, wgp](ResponseRejectReason&& aReason) {
paint->LostFragment(wgp);
});
}
/**
* Accumulated page use counter data for a given top-level content document.
*/
struct PageUseCounters {
// The number of page use counter data messages we are still waiting for.
uint32_t mWaiting = 0;
// Whether we have received any page use counter data.
bool mReceivedAny = false;
// The accumulated page use counters.
UseCounters mUseCounters;
};
mozilla::ipc::IPCResult WindowGlobalParent::RecvExpectPageUseCounters(
const MaybeDiscarded<WindowContext>& aTop) {
if (aTop.IsNull()) {
return IPC_FAIL(this, "aTop must not be null");
}
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
("Expect page use counters: WindowContext %" PRIu64 " -> %" PRIu64,
InnerWindowId(), aTop.ContextId()));
// We've been called to indicate that the document in our window intends
// to send use counter data to accumulate towards the top-level document's
// page use counters. This causes us to wait for this window to go away
// (in WindowGlobalParent::ActorDestroy) before reporting the page use
// counters via Telemetry.
RefPtr<WindowGlobalParent> page =
static_cast<WindowGlobalParent*>(aTop.GetMaybeDiscarded());
if (!page || page->mSentPageUseCounters) {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > too late, won't report page use counters for this straggler"));
return IPC_OK();
}
if (mPageUseCountersWindow) {
if (mPageUseCountersWindow != page) {
return IPC_FAIL(this,
"ExpectPageUseCounters called on the same "
"WindowContext with a different aTop value");
}
// We can get called with the same aTop value more than once, e.g. for
// initial about:blank documents and then subsequent "real" documents loaded
// into the same window. We must note each source window only once.
return IPC_OK();
}
// Note that the top-level document must wait for one more window's use
// counters before reporting via Telemetry.
mPageUseCountersWindow = page;
if (!page->mPageUseCounters) {
page->mPageUseCounters = MakeUnique<PageUseCounters>();
}
++page->mPageUseCounters->mWaiting;
MOZ_LOG(
gUseCountersLog, LogLevel::Debug,
(" > top-level now waiting on %d\n", page->mPageUseCounters->mWaiting));
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvAccumulatePageUseCounters(
const UseCounters& aUseCounters) {
// We've been called to accumulate use counter data into the page use counters
// for the document in mPageUseCountersWindow.
MOZ_LOG(
gUseCountersLog, LogLevel::Debug,
("Accumulate page use counters: WindowContext %" PRIu64 " -> %" PRIu64,
InnerWindowId(),
mPageUseCountersWindow ? mPageUseCountersWindow->InnerWindowId() : 0));
if (!mPageUseCountersWindow || mPageUseCountersWindow->mSentPageUseCounters) {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > too late, won't report page use counters for this straggler"));
return IPC_OK();
}
MOZ_ASSERT(mPageUseCountersWindow->mPageUseCounters);
MOZ_ASSERT(mPageUseCountersWindow->mPageUseCounters->mWaiting > 0);
mPageUseCountersWindow->mPageUseCounters->mUseCounters |= aUseCounters;
mPageUseCountersWindow->mPageUseCounters->mReceivedAny = true;
return IPC_OK();
}
// This is called on the top-level WindowGlobal, i.e. the one that is
// accumulating the page use counters, not the (potentially descendant) window
// that has finished providing use counter data.
void WindowGlobalParent::FinishAccumulatingPageUseCounters() {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
("Stop expecting page use counters: -> WindowContext %" PRIu64,
InnerWindowId()));
if (!mPageUseCounters) {
MOZ_ASSERT_UNREACHABLE("Not expecting page use counter data");
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > not expecting page use counter data"));
return;
}
MOZ_ASSERT(mPageUseCounters->mWaiting > 0);
--mPageUseCounters->mWaiting;
if (mPageUseCounters->mWaiting > 0) {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > now waiting on %d", mPageUseCounters->mWaiting));
return;
}
if (mPageUseCounters->mReceivedAny) {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > reporting [%s]",
nsContentUtils::TruncatedURLForDisplay(mDocumentURI).get()));
Maybe<nsCString> urlForLogging;
const bool dumpCounters = StaticPrefs::dom_use_counters_dump_page();
if (dumpCounters) {
urlForLogging.emplace(
nsContentUtils::TruncatedURLForDisplay(mDocumentURI));
}
glean::use_counter::top_level_content_documents_destroyed.Add();
bool any = false;
for (int32_t c = 0; c < eUseCounter_Count; ++c) {
auto uc = static_cast<UseCounter>(c);
if (!mPageUseCounters->mUseCounters[uc]) {
continue;
}
any = true;
const char* metricName = IncrementUseCounter(uc, /* aIsPage = */ true);
if (dumpCounters) {
printf_stderr("USE_COUNTER_PAGE: %s - %s\n", metricName,
urlForLogging->get());
}
}
if (!any) {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > page use counter data was received, but was empty"));
}
} else {
MOZ_LOG(gUseCountersLog, LogLevel::Debug,
(" > no page use counter data was received"));
}
mSentPageUseCounters = true;
mPageUseCounters = nullptr;
}
Element* WindowGlobalParent::GetRootOwnerElement() {
WindowGlobalParent* top = TopWindowContext();
if (!top) {
return nullptr;
}
if (IsInProcess()) {
return top->BrowsingContext()->GetEmbedderElement();
}
if (BrowserParent* parent = top->GetBrowserParent()) {
return parent->GetOwnerElement();
}
return nullptr;
}
void WindowGlobalParent::NotifySessionStoreUpdatesComplete(Element* aEmbedder) {
if (!aEmbedder) {
aEmbedder = GetRootOwnerElement();
}
if (aEmbedder) {
if (nsCOMPtr<nsIObserverService> obs = services::GetObserverService()) {
obs->NotifyWhenScriptSafe(ToSupports(aEmbedder),
"browser-shutdown-tabstate-updated", nullptr);
}
}
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvRequestRestoreTabContent() {
CanonicalBrowsingContext* bc = BrowsingContext();
if (bc && bc->AncestorsAreCurrent()) {
bc->Top()->RequestRestoreTabContent(this);
}
return IPC_OK();
}
nsCString BFCacheStatusToString(uint32_t aFlags) {
if (aFlags == 0) {
return "0"_ns;
}
nsCString flags;
#define ADD_BFCACHESTATUS_TO_STRING(_flag) \
if (aFlags & BFCacheStatus::_flag) { \
if (!flags.IsEmpty()) { \
flags.Append('|'); \
} \
flags.AppendLiteral(#_flag); \
aFlags &= ~BFCacheStatus::_flag; \
}
ADD_BFCACHESTATUS_TO_STRING(NOT_ALLOWED);
ADD_BFCACHESTATUS_TO_STRING(EVENT_HANDLING_SUPPRESSED);
ADD_BFCACHESTATUS_TO_STRING(SUSPENDED);
ADD_BFCACHESTATUS_TO_STRING(UNLOAD_LISTENER);
ADD_BFCACHESTATUS_TO_STRING(REQUEST);
ADD_BFCACHESTATUS_TO_STRING(ACTIVE_GET_USER_MEDIA);
ADD_BFCACHESTATUS_TO_STRING(ACTIVE_PEER_CONNECTION);
ADD_BFCACHESTATUS_TO_STRING(CONTAINS_EME_CONTENT);
ADD_BFCACHESTATUS_TO_STRING(CONTAINS_MSE_CONTENT);
ADD_BFCACHESTATUS_TO_STRING(HAS_ACTIVE_SPEECH_SYNTHESIS);
ADD_BFCACHESTATUS_TO_STRING(HAS_USED_VR);
ADD_BFCACHESTATUS_TO_STRING(CONTAINS_REMOTE_SUBFRAMES);
ADD_BFCACHESTATUS_TO_STRING(NOT_ONLY_TOPLEVEL_IN_BCG);
ADD_BFCACHESTATUS_TO_STRING(BEFOREUNLOAD_LISTENER);
ADD_BFCACHESTATUS_TO_STRING(ACTIVE_LOCK);
#undef ADD_BFCACHESTATUS_TO_STRING
MOZ_ASSERT(aFlags == 0,
"Missing stringification for enum value in BFCacheStatus.");
return flags;
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvUpdateBFCacheStatus(
const uint32_t& aOnFlags, const uint32_t& aOffFlags) {
if (MOZ_UNLIKELY(MOZ_LOG_TEST(gSHIPBFCacheLog, LogLevel::Debug))) {
nsAutoCString uri("[no uri]");
if (mDocumentURI) {
uri = mDocumentURI->GetSpecOrDefault();
}
MOZ_LOG(gSHIPBFCacheLog, LogLevel::Debug,
("Setting BFCache flags for %s +(%s) -(%s)", uri.get(),
BFCacheStatusToString(aOnFlags).get(),
BFCacheStatusToString(aOffFlags).get()));
}
mBFCacheStatus |= aOnFlags;
mBFCacheStatus &= ~aOffFlags;
return IPC_OK();
}
mozilla::ipc::IPCResult
WindowGlobalParent::RecvUpdateActivePeerConnectionStatus(bool aIsAdded) {
if (aIsAdded) {
RecvUpdateBFCacheStatus(BFCacheStatus::ACTIVE_PEER_CONNECTION, 0);
} else {
RecvUpdateBFCacheStatus(0, BFCacheStatus::ACTIVE_PEER_CONNECTION);
}
if (WindowGlobalParent* top = TopWindowContext()) {
CheckedUint32 newValue(top->mNumOfProcessesWithActivePeerConnections);
if (aIsAdded) {
++newValue;
} else {
--newValue;
}
if (!newValue.isValid()) {
return IPC_FAIL(this,
"mNumOfProcessesWithActivePeerConnections overflowed");
}
top->mNumOfProcessesWithActivePeerConnections = newValue.value();
Unused << top->SetHasActivePeerConnections(newValue.value() > 0);
}
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvSetSingleChannelId(
const Maybe<uint64_t>& aSingleChannelId) {
mSingleChannelId = aSingleChannelId;
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvSetDocumentDomain(
NotNull<nsIURI*> aDomain) {
if (mSandboxFlags & SANDBOXED_DOMAIN) {
// We're sandboxed; disallow setting domain
return IPC_FAIL(this, "Sandbox disallows domain setting.");
}
// Might need to do a featurepolicy check here, like we currently do in the
// child process?
nsCOMPtr<nsIURI> uri;
mDocumentPrincipal->GetDomain(getter_AddRefs(uri));
if (!uri) {
uri = mDocumentPrincipal->GetURI();
if (!uri) {
return IPC_OK();
}
}
if (!Document::IsValidDomain(uri, aDomain)) {
// Error: illegal domain
return IPC_FAIL(
this, "Setting domain that's not a suffix of existing domain value.");
}
if (Group()->IsPotentiallyCrossOriginIsolated()) {
return IPC_FAIL(this, "Setting domain in a cross-origin isolated BC.");
}
mDocumentPrincipal->SetDomain(aDomain);
return IPC_OK();
}
mozilla::ipc::IPCResult WindowGlobalParent::RecvReloadWithHttpsOnlyException() {
nsresult rv;
nsCOMPtr<nsIURI> currentUri = BrowsingContext()->Top()->GetCurrentURI();
if (!currentUri) {
return IPC_FAIL(this, "HTTPS-only mode: Failed to get current URI");
}
bool isViewSource = currentUri->SchemeIs("view-source");
nsCOMPtr<nsINestedURI> nestedURI = do_QueryInterface(currentUri);
nsCOMPtr<nsIURI> innerURI;
if (isViewSource) {
nestedURI->GetInnerURI(getter_AddRefs(innerURI));
} else {
innerURI = currentUri;
}
if (!innerURI->SchemeIs("https") && !innerURI->SchemeIs("http")) {
return IPC_FAIL(this, "HTTPS-only mode: Illegal state");
}
// If the error page is within an iFrame, we create an exception for whatever
// scheme the top-level site is currently on, because the user wants to
// unbreak the iFrame and not the top-level page. When the error page shows up
// on a top-level request, then we replace the scheme with http, because the
// user wants to unbreak the whole page.
nsCOMPtr<nsIURI> newURI;
if (!BrowsingContext()->IsTop()) {
newURI = innerURI;
} else {
Unused << NS_MutateURI(innerURI).SetScheme("http"_ns).Finalize(
getter_AddRefs(newURI));
}
OriginAttributes originAttributes =
TopWindowContext()->DocumentPrincipal()->OriginAttributesRef();
originAttributes.SetFirstPartyDomain(true, newURI);
nsCOMPtr<nsIPermissionManager> permMgr =
components::PermissionManager::Service();
if (!permMgr) {
return IPC_FAIL(
this, "HTTPS-only mode: Failed to get Permission Manager service");
}
nsCOMPtr<nsIPrincipal> principal =
BasePrincipal::CreateContentPrincipal(newURI, originAttributes);
rv = permMgr->AddFromPrincipal(
principal, "https-only-load-insecure"_ns,
nsIHttpsOnlyModePermission::LOAD_INSECURE_ALLOW_SESSION,
nsIPermissionManager::EXPIRE_SESSION, 0);
if (NS_FAILED(rv)) {
return IPC_FAIL(
this, "HTTPS-only mode: Failed to add permission to the principal");
}
nsCOMPtr<nsIURI> insecureURI = newURI;
if (isViewSource) {
nsAutoCString spec;
MOZ_ALWAYS_SUCCEEDS(newURI->GetSpec(spec));
if (NS_FAILED(
NS_NewURI(getter_AddRefs(insecureURI), "view-source:"_ns + spec))) {
return IPC_FAIL(
this, "HTTPS-only mode: Failed to re-construct view-source URI");
}
}
RefPtr<nsDocShellLoadState> loadState = new nsDocShellLoadState(insecureURI);
loadState->SetTriggeringPrincipal(nsContentUtils::GetSystemPrincipal());
loadState->SetLoadType(LOAD_NORMAL_REPLACE);
RefPtr<CanonicalBrowsingContext> topBC = BrowsingContext()->Top();
topBC->LoadURI(loadState, /* setNavigating */ true);
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvDiscoverIdentityCredentialFromExternalSource(
const IdentityCredentialRequestOptions& aOptions,
const DiscoverIdentityCredentialFromExternalSourceResolver& aResolver) {
IdentityCredential::DiscoverFromExternalSourceInMainProcess(
DocumentPrincipal(), this->BrowsingContext(), aOptions)
->Then(
GetCurrentSerialEventTarget(), __func__,
[aResolver](const IPCIdentityCredential& aResult) {
return aResolver(Some(aResult));
},
[aResolver](nsresult aErr) { aResolver(Nothing()); });
return IPC_OK();
}
IPCResult WindowGlobalParent::RecvGetStorageAccessPermission(
GetStorageAccessPermissionResolver&& aResolve) {
WindowGlobalParent* top = TopWindowContext();
if (!top) {
return IPC_FAIL_NO_REASON(this);
}
nsIPrincipal* topPrincipal = top->DocumentPrincipal();
nsIPrincipal* principal = DocumentPrincipal();
uint32_t result;
nsresult rv = AntiTrackingUtils::TestStoragePermissionInParent(
topPrincipal, principal, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
aResolve(nsIPermissionManager::UNKNOWN_ACTION);
return IPC_OK();
}
aResolve(result);
return IPC_OK();
}
void WindowGlobalParent::ActorDestroy(ActorDestroyReason aWhy) {
if (GetBrowsingContext()->IsTopContent()) {
Telemetry::Accumulate(Telemetry::ORB_DID_EVER_BLOCK_RESPONSE,
mShouldReportHasBlockedOpaqueResponse);
}
if (mPageUseCountersWindow) {
mPageUseCountersWindow->FinishAccumulatingPageUseCounters();
mPageUseCountersWindow = nullptr;
}
if (GetBrowsingContext()->IsTopContent() &&
!mDocumentPrincipal->SchemeIs("about")) {
// Record the page load
uint32_t pageLoaded = 1;
Accumulate(Telemetry::MIXED_CONTENT_UNBLOCK_COUNTER, pageLoaded);
// Record the mixed content status of the docshell in Telemetry
enum {
NO_MIXED_CONTENT = 0, // There is no Mixed Content on the page
MIXED_DISPLAY_CONTENT =
1, // The page attempted to load Mixed Display Content
MIXED_ACTIVE_CONTENT =
2, // The page attempted to load Mixed Active Content
MIXED_DISPLAY_AND_ACTIVE_CONTENT = 3 // The page attempted to load Mixed
// Display & Mixed Active Content
};
bool hasMixedDisplay =
mSecurityState &
(nsIWebProgressListener::STATE_LOADED_MIXED_DISPLAY_CONTENT |
nsIWebProgressListener::STATE_BLOCKED_MIXED_DISPLAY_CONTENT);
bool hasMixedActive =
mSecurityState &
(nsIWebProgressListener::STATE_LOADED_MIXED_ACTIVE_CONTENT |
nsIWebProgressListener::STATE_BLOCKED_MIXED_ACTIVE_CONTENT);
uint32_t mixedContentLevel = NO_MIXED_CONTENT;
if (hasMixedDisplay && hasMixedActive) {
mixedContentLevel = MIXED_DISPLAY_AND_ACTIVE_CONTENT;
} else if (hasMixedActive) {
mixedContentLevel = MIXED_ACTIVE_CONTENT;
} else if (hasMixedDisplay) {
mixedContentLevel = MIXED_DISPLAY_CONTENT;
}
Accumulate(Telemetry::MIXED_CONTENT_PAGE_LOAD, mixedContentLevel);
if (GetDocTreeHadMedia()) {
ScalarAdd(Telemetry::ScalarID::MEDIA_ELEMENT_IN_PAGE_COUNT, 1);
}
}
ContentParent* cp = nullptr;
if (!IsInProcess()) {
cp = static_cast<ContentParent*>(Manager()->Manager());
}
Group()->EachOtherParent(cp, [&](ContentParent* otherContent) {
// Keep the WindowContext and our BrowsingContextGroup alive until other
// processes have acknowledged it has been discarded.
Group()->AddKeepAlive();
auto callback = [self = RefPtr{this}](auto) {
self->Group()->RemoveKeepAlive();
};
otherContent->SendDiscardWindowContext(InnerWindowId(), callback, callback);
});
// Note that our WindowContext has become discarded.
WindowContext::Discard();
// Report content blocking log when destroyed.
// There shouldn't have any content blocking log when a document is loaded in
// the parent process(See NotifyContentBlockingEvent), so we could skip
// reporting log when it is in-process.
if (!IsInProcess()) {
RefPtr<BrowserParent> browserParent =
static_cast<BrowserParent*>(Manager());
if (browserParent) {
nsCOMPtr<nsILoadContext> loadContext = browserParent->GetLoadContext();
if (loadContext && !loadContext->UsePrivateBrowsing() &&
BrowsingContext()->IsTopContent()) {
GetContentBlockingLog()->ReportLog(DocumentPrincipal());
if (mDocumentURI && (net::SchemeIsHTTP(mDocumentURI) ||
net::SchemeIsHTTPS(mDocumentURI))) {
GetContentBlockingLog()->ReportCanvasFingerprintingLog(
DocumentPrincipal());
GetContentBlockingLog()->ReportFontFingerprintingLog(
DocumentPrincipal());
GetContentBlockingLog()->ReportEmailTrackingLog(DocumentPrincipal());
}
}
}
}
// Destroy our JSWindowActors, and reject any pending queries.
JSActorDidDestroy();
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (obs) {
obs->NotifyObservers(ToSupports(this), "window-global-destroyed", nullptr);
}
if (mOriginCounter) {
mOriginCounter->Accumulate();
}
}
WindowGlobalParent::~WindowGlobalParent() = default;
JSObject* WindowGlobalParent::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return WindowGlobalParent_Binding::Wrap(aCx, this, aGivenProto);
}
nsIGlobalObject* WindowGlobalParent::GetParentObject() {
return xpc::NativeGlobal(xpc::PrivilegedJunkScope());
}
nsIDOMProcessParent* WindowGlobalParent::GetDomProcess() {
if (RefPtr<BrowserParent> browserParent = GetBrowserParent()) {
return browserParent->Manager();
}
return InProcessParent::Singleton();
}
void WindowGlobalParent::DidBecomeCurrentWindowGlobal(bool aCurrent) {
WindowGlobalParent* top = BrowsingContext()->GetTopWindowContext();
if (top && top->mOriginCounter) {
top->mOriginCounter->UpdateSiteOriginsFrom(this,
/* aIncrease = */ aCurrent);
}
if (!aCurrent && Fullscreen()) {
ExitTopChromeDocumentFullscreen();
}
}
bool WindowGlobalParent::ShouldTrackSiteOriginTelemetry() {
CanonicalBrowsingContext* bc = BrowsingContext();
if (!bc->IsTopContent()) {
return false;
}
RefPtr<BrowserParent> browserParent = GetBrowserParent();
if (!browserParent ||
!IsWebRemoteType(browserParent->Manager()->GetRemoteType())) {
return false;
}
return DocumentPrincipal()->GetIsContentPrincipal();
}
void WindowGlobalParent::AddSecurityState(uint32_t aStateFlags) {
MOZ_ASSERT(TopWindowContext() == this);
MOZ_ASSERT((aStateFlags &
(nsIWebProgressListener::STATE_LOADED_MIXED_DISPLAY_CONTENT |
nsIWebProgressListener::STATE_LOADED_MIXED_ACTIVE_CONTENT |
nsIWebProgressListener::STATE_BLOCKED_MIXED_DISPLAY_CONTENT |
nsIWebProgressListener::STATE_BLOCKED_MIXED_ACTIVE_CONTENT |
nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADED |
nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADE_FAILED |
nsIWebProgressListener::STATE_HTTPS_ONLY_MODE_UPGRADED_FIRST)) ==
aStateFlags,
"Invalid flags specified!");
if ((mSecurityState & aStateFlags) == aStateFlags) {
return;
}
mSecurityState |= aStateFlags;
if (GetBrowsingContext()->GetCurrentWindowGlobal() == this) {
GetBrowsingContext()->UpdateSecurityState();
}
}
bool WindowGlobalParent::HasActivePeerConnections() {
MOZ_ASSERT(TopWindowContext() == this,
"mNumOfProcessesWithActivePeerConnections is set only "
"in the top window context");
return mNumOfProcessesWithActivePeerConnections > 0;
}
void WindowGlobalParent::ExitTopChromeDocumentFullscreen() {
RefPtr<CanonicalBrowsingContext> chromeTop =
BrowsingContext()->TopCrossChromeBoundary();
if (Document* chromeDoc = chromeTop->GetDocument()) {
Document::ClearPendingFullscreenRequests(chromeDoc);
if (chromeDoc->Fullscreen()) {
// This only clears the DOM fullscreen, will not exit from browser UI
// fullscreen mode.
Document::AsyncExitFullscreen(chromeDoc);
}
}
}
void WindowGlobalParent::SetShouldReportHasBlockedOpaqueResponse(
nsContentPolicyType aContentPolicy) {
// It's always okay to block TYPE_BEACON, TYPE_PING and TYPE_CSP_REPORT in
// the parent process because content processes can do nothing to their
// responses. Hence excluding them from the telemetry as blocking
// them have no webcompat concerns.
if (aContentPolicy != nsIContentPolicy::TYPE_BEACON &&
aContentPolicy != nsIContentPolicy::TYPE_PING &&
aContentPolicy != nsIContentPolicy::TYPE_CSP_REPORT) {
if (IsTop()) {
mShouldReportHasBlockedOpaqueResponse = true;
}
}
}
IPCResult WindowGlobalParent::RecvSetCookies(
const nsCString& aBaseDomain, const OriginAttributes& aOriginAttributes,
nsIURI* aHost, bool aFromHttp, const nsTArray<CookieStruct>& aCookies) {
// Get CookieServiceParent via
// ContentParent->NeckoParent->CookieServiceParent.
ContentParent* contentParent = GetContentParent();
NS_ENSURE_TRUE(contentParent, IPC_OK());
net::PNeckoParent* neckoParent =
LoneManagedOrNullAsserts(contentParent->ManagedPNeckoParent());
NS_ENSURE_TRUE(neckoParent, IPC_OK());
net::PCookieServiceParent* csParent =
LoneManagedOrNullAsserts(neckoParent->ManagedPCookieServiceParent());
NS_ENSURE_TRUE(csParent, IPC_OK());
auto* cs = static_cast<net::CookieServiceParent*>(csParent);
return cs->SetCookies(aBaseDomain, aOriginAttributes, aHost, aFromHttp,
aCookies, GetBrowsingContext());
}
IPCResult WindowGlobalParent::RecvOnInitialStorageAccess() {
DebugOnly<nsresult> rv =
BounceTrackingStorageObserver::OnInitialStorageAccess(this);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Failed to notify storage access");
return IPC_OK();
}
NS_IMPL_CYCLE_COLLECTION_CLASS(WindowGlobalParent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(WindowGlobalParent,
WindowContext)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mPageUseCountersWindow)
tmp->UnlinkManager();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(WindowGlobalParent,
WindowContext)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPageUseCountersWindow)
if (!tmp->IsInProcess()) {
CycleCollectionNoteChild(cb, static_cast<BrowserParent*>(tmp->Manager()),
"Manager()");
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(WindowGlobalParent,
WindowContext)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WindowGlobalParent)
NS_INTERFACE_MAP_END_INHERITING(WindowContext)
NS_IMPL_ADDREF_INHERITED(WindowGlobalParent, WindowContext)
NS_IMPL_RELEASE_INHERITED(WindowGlobalParent, WindowContext)
} // namespace mozilla::dom