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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "ClientSource.h"
#include "ClientManager.h"
#include "ClientManagerChild.h"
#include "ClientPrincipalUtils.h"
#include "ClientSourceChild.h"
#include "ClientState.h"
#include "ClientValidation.h"
#include "mozilla/Try.h"
#include "mozilla/dom/BlobURLProtocolHandler.h"
#include "mozilla/dom/ClientIPCTypes.h"
#include "mozilla/dom/DOMMozPromiseRequestHolder.h"
#include "mozilla/dom/ipc/StructuredCloneData.h"
#include "mozilla/dom/JSExecutionManager.h"
#include "mozilla/dom/MessageEvent.h"
#include "mozilla/dom/MessageEventBinding.h"
#include "mozilla/dom/Navigator.h"
#include "mozilla/dom/WorkerScope.h"
#include "mozilla/dom/WorkerRef.h"
#include "mozilla/dom/ServiceWorker.h"
#include "mozilla/dom/ServiceWorkerContainer.h"
#include "mozilla/dom/ServiceWorkerManager.h"
#include "mozilla/SchedulerGroup.h"
#include "mozilla/StaticPrefs_privacy.h"
#include "mozilla/StorageAccess.h"
#include "nsIContentSecurityPolicy.h"
#include "nsContentUtils.h"
#include "nsFocusManager.h"
#include "nsIDocShell.h"
#include "nsPIDOMWindow.h"
#include "mozilla/ipc/BackgroundUtils.h"
namespace mozilla::dom {
using mozilla::dom::ipc::StructuredCloneData;
using mozilla::ipc::CSPInfo;
using mozilla::ipc::CSPToCSPInfo;
using mozilla::ipc::PrincipalInfo;
using mozilla::ipc::PrincipalInfoToPrincipal;
void ClientSource::Shutdown() {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (IsShutdown()) {
return;
}
ShutdownThing();
mManager = nullptr;
}
void ClientSource::ExecutionReady(const ClientSourceExecutionReadyArgs& aArgs) {
// Fast fail if we don't understand this particular principal/URL combination.
// This can happen since we use MozURL for validation which does not handle
// some of the more obscure internal principal/url combinations. Normal
// content pages will pass this check.
if (NS_WARN_IF(!ClientIsValidCreationURL(mClientInfo.PrincipalInfo(),
aArgs.url()))) {
Shutdown();
return;
}
mClientInfo.SetURL(aArgs.url());
mClientInfo.SetFrameType(aArgs.frameType());
MaybeExecute([aArgs](PClientSourceChild* aActor) {
aActor->SendExecutionReady(aArgs);
});
}
Result<ClientState, ErrorResult> ClientSource::SnapshotWindowState() {
MOZ_ASSERT(NS_IsMainThread());
nsPIDOMWindowInner* window = GetInnerWindow();
if (!window || !window->IsCurrentInnerWindow() ||
!window->HasActiveDocument()) {
return ClientState(ClientWindowState(VisibilityState::Hidden, TimeStamp(),
StorageAccess::eDeny, false));
}
Document* doc = window->GetExtantDoc();
ErrorResult rv;
if (NS_WARN_IF(!doc)) {
rv.ThrowInvalidStateError("Document not active");
return Err(std::move(rv));
}
bool focused = doc->HasFocus(rv);
if (NS_WARN_IF(rv.Failed())) {
return Err(std::move(rv));
}
StorageAccess storage = StorageAllowedForDocument(doc);
return ClientState(ClientWindowState(doc->VisibilityState(),
doc->LastFocusTime(), storage, focused));
}
WorkerPrivate* ClientSource::GetWorkerPrivate() const {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!mOwner.is<WorkerPrivate*>()) {
return nullptr;
}
return mOwner.as<WorkerPrivate*>();
}
nsIDocShell* ClientSource::GetDocShell() const {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!mOwner.is<nsCOMPtr<nsIDocShell>>()) {
return nullptr;
}
return mOwner.as<nsCOMPtr<nsIDocShell>>();
}
nsIGlobalObject* ClientSource::GetGlobal() const {
NS_ASSERT_OWNINGTHREAD(ClientSource);
nsPIDOMWindowInner* win = GetInnerWindow();
if (win) {
return win->AsGlobal();
}
WorkerPrivate* wp = GetWorkerPrivate();
if (wp) {
return wp->GlobalScope();
}
// Note, ClientSource objects attached to docshell for conceptual
// initial about:blank will get nullptr here. The caller should
// use MaybeCreateIntitialDocument() to create the window before
// GetGlobal() if it wants this before.
return nullptr;
}
// We want to be explicit about possible invalid states and
// return them as errors.
Result<bool, ErrorResult> ClientSource::MaybeCreateInitialDocument() {
// If there is not even a docshell, we do not expect to have a document
nsIDocShell* docshell = GetDocShell();
if (!docshell) {
return false;
}
// Force the creation of the initial document if it does not yet exist.
if (!docshell->GetDocument()) {
ErrorResult rv;
rv.ThrowInvalidStateError("No document available.");
return Err(std::move(rv));
}
return true;
}
ClientSource::ClientSource(ClientManager* aManager,
nsISerialEventTarget* aEventTarget,
const ClientSourceConstructorArgs& aArgs)
: mManager(aManager),
mEventTarget(aEventTarget),
mOwner(AsVariant(Nothing())),
mClientInfo(aArgs.id(), aArgs.type(), aArgs.principalInfo(),
aArgs.creationTime()) {
MOZ_ASSERT(mManager);
MOZ_ASSERT(mEventTarget);
}
void ClientSource::Activate(PClientManagerChild* aActor) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
MOZ_ASSERT(!GetActor());
if (IsShutdown()) {
return;
}
// Fast fail if we don't understand this particular kind of PrincipalInfo.
// This can happen since we use MozURL for validation which does not handle
// some of the more obscure internal principal/url combinations. Normal
// content pages will pass this check.
if (NS_WARN_IF(!ClientIsValidPrincipalInfo(mClientInfo.PrincipalInfo()))) {
Shutdown();
return;
}
ClientSourceConstructorArgs args(mClientInfo.Id(), mClientInfo.Type(),
mClientInfo.PrincipalInfo(),
mClientInfo.CreationTime());
RefPtr<ClientSourceChild> actor = new ClientSourceChild(args);
if (!aActor->SendPClientSourceConstructor(actor, args)) {
Shutdown();
return;
}
ActivateThing(actor);
}
ClientSource::~ClientSource() { Shutdown(); }
nsPIDOMWindowInner* ClientSource::GetInnerWindow() const {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!mOwner.is<RefPtr<nsPIDOMWindowInner>>()) {
return nullptr;
}
return mOwner.as<RefPtr<nsPIDOMWindowInner>>();
}
void ClientSource::WorkerExecutionReady(WorkerPrivate* aWorkerPrivate) {
MOZ_DIAGNOSTIC_ASSERT(aWorkerPrivate);
aWorkerPrivate->AssertIsOnWorkerThread();
if (IsShutdown()) {
return;
}
// A client without access to storage should never be controlled by
// a service worker. Check this here in case we were controlled before
// execution ready. We can't reliably determine what our storage policy
// is before execution ready, unfortunately.
if (mController.isSome()) {
MOZ_DIAGNOSTIC_ASSERT(
aWorkerPrivate->StorageAccess() > StorageAccess::ePrivateBrowsing ||
(ShouldPartitionStorage(aWorkerPrivate->StorageAccess()) &&
StoragePartitioningEnabled(aWorkerPrivate->StorageAccess(),
aWorkerPrivate->CookieJarSettings())) ||
StringBeginsWith(aWorkerPrivate->ScriptURL(), u"blob:"_ns));
}
// Its safe to store the WorkerPrivate* here because the ClientSource
// is explicitly destroyed by WorkerPrivate before exiting its run loop.
MOZ_DIAGNOSTIC_ASSERT(mOwner.is<Nothing>());
mOwner = AsVariant(aWorkerPrivate);
ClientSourceExecutionReadyArgs args(aWorkerPrivate->GetLocationInfo().mHref,
FrameType::None);
ExecutionReady(args);
}
nsresult ClientSource::WindowExecutionReady(nsPIDOMWindowInner* aInnerWindow) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_DIAGNOSTIC_ASSERT(aInnerWindow);
MOZ_ASSERT(aInnerWindow->IsCurrentInnerWindow());
MOZ_ASSERT(aInnerWindow->HasActiveDocument());
if (IsShutdown()) {
return NS_OK;
}
Document* doc = aInnerWindow->GetExtantDoc();
NS_ENSURE_TRUE(doc, NS_ERROR_UNEXPECTED);
nsIURI* uri = doc->GetOriginalURI();
NS_ENSURE_TRUE(uri, NS_ERROR_UNEXPECTED);
// Don't use nsAutoCString here since IPC requires a full nsCString anyway.
nsCString spec;
nsresult rv = uri->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
// A client without access to storage should never be controlled by
// a service worker. Check this here in case we were controlled before
// execution ready. We can't reliably determine what our storage policy
// is before execution ready, unfortunately.
//
// Note, explicitly avoid checking storage policy for windows that inherit
// service workers from their parent. If a user opens a controlled window
// and then blocks storage, that window will continue to be controlled by
// the SW until the window is closed. Any about:blank or blob URL should
// continue to inherit the SW as well. We need to avoid triggering the
// assertion in this corner case.
#ifdef DEBUG
if (mController.isSome()) {
auto storageAccess = StorageAllowedForWindow(aInnerWindow);
bool isAboutBlankURL = spec.LowerCaseEqualsLiteral("about:blank");
bool isBlobURL = StringBeginsWith(spec, "blob:"_ns);
bool isStorageAllowed = storageAccess == StorageAccess::eAllow;
bool isPartitionEnabled =
StoragePartitioningEnabled(storageAccess, doc->CookieJarSettings());
MOZ_ASSERT(isAboutBlankURL || isBlobURL || isStorageAllowed ||
(StaticPrefs::privacy_partition_serviceWorkers() &&
isPartitionEnabled));
}
#endif
nsPIDOMWindowOuter* outer = aInnerWindow->GetOuterWindow();
NS_ENSURE_TRUE(outer, NS_ERROR_UNEXPECTED);
FrameType frameType = FrameType::Top_level;
if (!outer->GetBrowsingContext()->IsTop()) {
frameType = FrameType::Nested;
} else if (outer->GetBrowsingContext()->HadOriginalOpener()) {
frameType = FrameType::Auxiliary;
}
// We should either be setting a window execution ready for the
// first time or setting the same window execution ready again.
// The secondary calls are due to initial about:blank replacement.
MOZ_DIAGNOSTIC_ASSERT(mOwner.is<Nothing>() ||
mOwner.is<nsCOMPtr<nsIDocShell>>() ||
GetInnerWindow() == aInnerWindow);
// This creates a cycle with the window. It is broken when
// nsGlobalWindow::FreeInnerObjects() deletes the ClientSource.
mOwner = AsVariant(RefPtr<nsPIDOMWindowInner>(aInnerWindow));
ClientSourceExecutionReadyArgs args(spec, frameType);
ExecutionReady(args);
return NS_OK;
}
nsresult ClientSource::DocShellExecutionReady(nsIDocShell* aDocShell) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_DIAGNOSTIC_ASSERT(aDocShell);
if (IsShutdown()) {
return NS_OK;
}
nsPIDOMWindowOuter* outer = aDocShell->GetWindow();
if (NS_WARN_IF(!outer)) {
return NS_ERROR_UNEXPECTED;
}
// Note: We don't assert storage access for a controlled client. If
// the about:blank actually gets used then WindowExecutionReady() will
// get called which asserts storage access.
// TODO: dedupe this with WindowExecutionReady
FrameType frameType = FrameType::Top_level;
if (!outer->GetBrowsingContext()->IsTop()) {
frameType = FrameType::Nested;
} else if (outer->GetBrowsingContext()->HadOriginalOpener()) {
frameType = FrameType::Auxiliary;
}
MOZ_DIAGNOSTIC_ASSERT(mOwner.is<Nothing>());
// This creates a cycle with the docshell. It is broken when
// nsDocShell::Destroy() deletes the ClientSource.
mOwner = AsVariant(nsCOMPtr<nsIDocShell>(aDocShell));
ClientSourceExecutionReadyArgs args("about:blank"_ns, frameType);
ExecutionReady(args);
return NS_OK;
}
void ClientSource::Freeze() {
MaybeExecute([](PClientSourceChild* aActor) { aActor->SendFreeze(); });
}
void ClientSource::Thaw() {
MaybeExecute([](PClientSourceChild* aActor) { aActor->SendThaw(); });
}
void ClientSource::EvictFromBFCache() {
if (nsCOMPtr<nsPIDOMWindowInner> win = GetInnerWindow()) {
win->RemoveFromBFCacheSync();
} else if (WorkerPrivate* vp = GetWorkerPrivate()) {
vp->EvictFromBFCache();
}
}
RefPtr<ClientOpPromise> ClientSource::EvictFromBFCacheOp() {
EvictFromBFCache();
return ClientOpPromise::CreateAndResolve(CopyableErrorResult(), __func__);
}
const ClientInfo& ClientSource::Info() const { return mClientInfo; }
void ClientSource::WorkerSyncPing(WorkerPrivate* aWorkerPrivate) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
MOZ_DIAGNOSTIC_ASSERT(aWorkerPrivate);
if (IsShutdown()) {
return;
}
// We need to make sure the mainthread is unblocked.
AutoYieldJSThreadExecution yield;
MOZ_DIAGNOSTIC_ASSERT(aWorkerPrivate == mManager->GetWorkerPrivate());
aWorkerPrivate->AssertIsOnWorkerThread();
MOZ_DIAGNOSTIC_ASSERT(GetActor());
GetActor()->SendWorkerSyncPing();
}
void ClientSource::SetController(
const ServiceWorkerDescriptor& aServiceWorker) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
// We should never have a cross-origin controller. Since this would be
// same-origin policy violation we do a full release assertion here.
MOZ_RELEASE_ASSERT(ClientMatchPrincipalInfo(mClientInfo.PrincipalInfo(),
aServiceWorker.PrincipalInfo()));
// A client in private browsing mode should never be controlled by
// a service worker. The principal origin attributes should guarantee
// this invariant.
MOZ_DIAGNOSTIC_ASSERT(!mClientInfo.IsPrivateBrowsing());
// A client without access to storage should never be controlled a
// a service worker. If we are already execution ready with a real
// window or worker, then verify assert the storage policy is correct.
//
// Note, explicitly avoid checking storage policy for clients that inherit
// service workers from their parent. This basically means blob: URLs
// and about:blank windows.
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
if (GetInnerWindow()) {
auto storageAccess = StorageAllowedForWindow(GetInnerWindow());
bool IsAboutBlankURL = Info().URL().LowerCaseEqualsLiteral("about:blank");
bool IsBlobURL = StringBeginsWith(Info().URL(), "blob:"_ns);
bool IsStorageAllowed = storageAccess == StorageAccess::eAllow;
bool IsPartitionEnabled =
GetInnerWindow()->GetExtantDoc()
? StoragePartitioningEnabled(
storageAccess,
GetInnerWindow()->GetExtantDoc()->CookieJarSettings())
: false;
MOZ_DIAGNOSTIC_ASSERT(IsAboutBlankURL || IsBlobURL || IsStorageAllowed ||
(StaticPrefs::privacy_partition_serviceWorkers() &&
IsPartitionEnabled));
} else if (GetWorkerPrivate()) {
MOZ_DIAGNOSTIC_ASSERT(
GetWorkerPrivate()->StorageAccess() > StorageAccess::ePrivateBrowsing ||
StringBeginsWith(GetWorkerPrivate()->ScriptURL(), u"blob:"_ns));
}
#endif
if (mController.isSome() && mController.ref() == aServiceWorker) {
return;
}
mController.reset();
mController.emplace(aServiceWorker);
RefPtr<ServiceWorkerContainer> swc;
nsPIDOMWindowInner* window = GetInnerWindow();
if (window) {
swc = window->Navigator()->ServiceWorker();
}
// TODO: Also self.navigator.serviceWorker on workers when its exposed there
if (swc && nsContentUtils::IsSafeToRunScript()) {
swc->ControllerChanged(IgnoreErrors());
}
}
RefPtr<ClientOpPromise> ClientSource::Control(
const ClientControlledArgs& aArgs) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
// Determine if the client is allowed to be controlled. Currently we
// prevent service workers from controlling clients that cannot access
// storage. We exempt this restriction for local URL clients, like
// about:blank and blob:, since access to service workers is dictated by their
// parent.
//
// Note, we default to allowing the client to be controlled in the case
// where we are not execution ready yet. This can only happen if the
// the non-subresource load is intercepted by a service worker. Since
// ServiceWorkerInterceptController() uses StorageAllowedForChannel()
// it should be fine to accept these control messages.
//
// Its also fine to default to allowing ClientSource attached to a docshell
// to be controlled. These clients represent inital about:blank windows
// that do not have an inner window created yet. We explicitly allow initial
// about:blank.
bool controlAllowed = true;
if (GetInnerWindow()) {
// Local URL windows and windows with access to storage can be controlled.
auto storageAccess = StorageAllowedForWindow(GetInnerWindow());
bool isAboutBlankURL = Info().URL().LowerCaseEqualsLiteral("about:blank");
bool isBlobURL = StringBeginsWith(Info().URL(), "blob:"_ns);
bool isStorageAllowed = storageAccess == StorageAccess::eAllow;
bool isPartitionEnabled =
GetInnerWindow()->GetExtantDoc()
? StoragePartitioningEnabled(
storageAccess,
GetInnerWindow()->GetExtantDoc()->CookieJarSettings())
: false;
controlAllowed =
isAboutBlankURL || isBlobURL || isStorageAllowed ||
(StaticPrefs::privacy_partition_serviceWorkers() && isPartitionEnabled);
} else if (GetWorkerPrivate()) {
// Local URL workers and workers with access to storage cna be controlled.
controlAllowed =
GetWorkerPrivate()->StorageAccess() > StorageAccess::ePrivateBrowsing ||
StringBeginsWith(GetWorkerPrivate()->ScriptURL(), u"blob:"_ns);
}
if (NS_WARN_IF(!controlAllowed)) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Client cannot be controlled");
return ClientOpPromise::CreateAndReject(rv, __func__);
}
SetController(ServiceWorkerDescriptor(aArgs.serviceWorker()));
return ClientOpPromise::CreateAndResolve(CopyableErrorResult(), __func__);
}
void ClientSource::InheritController(
const ServiceWorkerDescriptor& aServiceWorker) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
// Tell the parent-side ClientManagerService that the controller was
// inherited. This is necessary for clients.matchAll() to work properly.
// In parent-side intercept mode this will also note the inheritance in
// the parent-side SWM.
MaybeExecute([aServiceWorker](PClientSourceChild* aActor) {
aActor->SendInheritController(ClientControlledArgs(aServiceWorker.ToIPC()));
});
// Finally, record the new controller in our local ClientSource for any
// immediate synchronous access.
SetController(aServiceWorker);
}
const Maybe<ServiceWorkerDescriptor>& ClientSource::GetController() const {
return mController;
}
void ClientSource::NoteDOMContentLoaded() {
MaybeExecute(
[](PClientSourceChild* aActor) { aActor->SendNoteDOMContentLoaded(); });
}
RefPtr<ClientOpPromise> ClientSource::Focus(const ClientFocusArgs& aArgs) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (mClientInfo.Type() != ClientType::Window) {
CopyableErrorResult rv;
rv.ThrowNotSupportedError("Not a Window client");
return ClientOpPromise::CreateAndReject(rv, __func__);
}
nsCOMPtr<nsPIDOMWindowOuter> outer;
nsPIDOMWindowInner* inner = GetInnerWindow();
if (inner) {
outer = inner->GetOuterWindow();
} else {
nsIDocShell* docshell = GetDocShell();
if (docshell) {
outer = docshell->GetWindow();
}
}
if (!outer) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Browsing context discarded");
return ClientOpPromise::CreateAndReject(rv, __func__);
}
MOZ_ASSERT(NS_IsMainThread());
nsFocusManager::FocusWindow(outer, aArgs.callerType());
Result<ClientState, ErrorResult> state = SnapshotState();
if (state.isErr()) {
return ClientOpPromise::CreateAndReject(
CopyableErrorResult(state.unwrapErr()), __func__);
}
return ClientOpPromise::CreateAndResolve(state.inspect().ToIPC(), __func__);
}
RefPtr<ClientOpPromise> ClientSource::PostMessage(
const ClientPostMessageArgs& aArgs) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
// TODO: Currently this function only supports clients whose global
// object is a Window; it should also support those whose global
// object is a WorkerGlobalScope.
if (nsPIDOMWindowInner* const window = GetInnerWindow()) {
const RefPtr<ServiceWorkerContainer> container =
window->Navigator()->ServiceWorker();
// Note, EvictFromBFCache() may delete the ClientSource object
// when bfcache lives in the child process.
EvictFromBFCache();
container->ReceiveMessage(aArgs);
return ClientOpPromise::CreateAndResolve(CopyableErrorResult(), __func__);
}
CopyableErrorResult rv;
rv.ThrowNotSupportedError(
"postMessage to non-Window clients is not supported yet");
return ClientOpPromise::CreateAndReject(rv, __func__);
}
RefPtr<ClientOpPromise> ClientSource::GetInfoAndState(
const ClientGetInfoAndStateArgs& aArgs) {
Result<ClientState, ErrorResult> state = SnapshotState();
if (state.isErr()) {
return ClientOpPromise::CreateAndReject(
CopyableErrorResult(state.unwrapErr()), __func__);
}
return ClientOpPromise::CreateAndResolve(
ClientInfoAndState(mClientInfo.ToIPC(), state.inspect().ToIPC()),
__func__);
}
Result<ClientState, ErrorResult> ClientSource::SnapshotState() {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (mClientInfo.Type() == ClientType::Window) {
// If there is a docshell, try to create a document, too.
MOZ_TRY(MaybeCreateInitialDocument());
// SnapshotWindowState can deal with a missing inner window
return SnapshotWindowState();
}
WorkerPrivate* workerPrivate = GetWorkerPrivate();
if (!workerPrivate) {
ErrorResult rv;
rv.ThrowInvalidStateError("Worker terminated");
return Err(std::move(rv));
}
return ClientState(ClientWorkerState(workerPrivate->StorageAccess()));
}
nsISerialEventTarget* ClientSource::EventTarget() const { return mEventTarget; }
void ClientSource::SetCsp(nsIContentSecurityPolicy* aCsp) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!aCsp) {
return;
}
CSPInfo cspInfo;
nsresult rv = CSPToCSPInfo(aCsp, &cspInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
mClientInfo.SetCspInfo(cspInfo);
}
void ClientSource::SetPreloadCsp(nsIContentSecurityPolicy* aPreloadCsp) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!aPreloadCsp) {
return;
}
CSPInfo cspPreloadInfo;
nsresult rv = CSPToCSPInfo(aPreloadCsp, &cspPreloadInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
mClientInfo.SetPreloadCspInfo(cspPreloadInfo);
}
void ClientSource::SetCspInfo(const CSPInfo& aCSPInfo) {
NS_ASSERT_OWNINGTHREAD(ClientSource);
mClientInfo.SetCspInfo(aCSPInfo);
}
const Maybe<mozilla::ipc::CSPInfo>& ClientSource::GetCspInfo() {
NS_ASSERT_OWNINGTHREAD(ClientSource);
return mClientInfo.GetCspInfo();
}
void ClientSource::Traverse(nsCycleCollectionTraversalCallback& aCallback,
const char* aName, uint32_t aFlags) {
if (mOwner.is<RefPtr<nsPIDOMWindowInner>>()) {
ImplCycleCollectionTraverse(
aCallback, mOwner.as<RefPtr<nsPIDOMWindowInner>>(), aName, aFlags);
} else if (mOwner.is<nsCOMPtr<nsIDocShell>>()) {
ImplCycleCollectionTraverse(aCallback, mOwner.as<nsCOMPtr<nsIDocShell>>(),
aName, aFlags);
}
}
void ClientSource::NoteCalledRegisterForServiceWorkerScope(
const nsACString& aScope) {
if (mRegisteringScopeList.Contains(aScope)) {
return;
}
mRegisteringScopeList.AppendElement(aScope);
}
bool ClientSource::CalledRegisterForServiceWorkerScope(
const nsACString& aScope) {
return mRegisteringScopeList.Contains(aScope);
}
nsIPrincipal* ClientSource::GetPrincipal() {
MOZ_ASSERT(NS_IsMainThread());
// We only create the principal if necessary because creating a principal is
// expensive.
if (!mPrincipal) {
auto principalOrErr = Info().GetPrincipal();
nsCOMPtr<nsIPrincipal> prin =
principalOrErr.isOk() ? principalOrErr.unwrap() : nullptr;
mPrincipal.emplace(prin);
}
return mPrincipal.ref();
}
} // namespace mozilla::dom