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gecko-dev/dom/notification/Notification.cpp

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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/Notification.h"
#include <utility>
#include "mozilla/BasePrincipal.h"
#include "mozilla/Components.h"
#include "mozilla/Encoding.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/JSONWriter.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/Components.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/Telemetry.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/AppNotificationServiceOptionsBinding.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/NotificationEvent.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/PromiseWorkerProxy.h"
#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
#include "mozilla/dom/ServiceWorkerManager.h"
#include "mozilla/dom/ServiceWorkerUtils.h"
#include "mozilla/dom/WorkerPrivate.h"
#include "mozilla/dom/WorkerRunnable.h"
#include "mozilla/dom/WorkerScope.h"
#include "Navigator.h"
#include "nsAlertsUtils.h"
#include "nsCRTGlue.h"
#include "nsComponentManagerUtils.h"
#include "nsContentPermissionHelper.h"
#include "nsContentUtils.h"
#include "nsDOMJSUtils.h"
#include "nsFocusManager.h"
#include "nsGlobalWindow.h"
#include "nsIAlertsService.h"
#include "nsIContentPermissionPrompt.h"
#include "nsILoadContext.h"
#include "nsINotificationStorage.h"
#include "nsIPermission.h"
#include "nsIPermissionManager.h"
#include "nsIPushService.h"
#include "nsIScriptError.h"
#include "nsIServiceWorkerManager.h"
#include "nsISimpleEnumerator.h"
#include "nsIUUIDGenerator.h"
#include "nsNetUtil.h"
#include "nsProxyRelease.h"
#include "nsServiceManagerUtils.h"
#include "nsStructuredCloneContainer.h"
#include "nsThreadUtils.h"
#include "nsXULAppAPI.h"
namespace mozilla::dom {
struct NotificationStrings {
const nsString mID;
const nsString mTitle;
const nsString mDir;
const nsString mLang;
const nsString mBody;
const nsString mTag;
const nsString mIcon;
const nsString mData;
const nsString mBehavior;
const nsString mServiceWorkerRegistrationScope;
};
class ScopeCheckingGetCallback : public nsINotificationStorageCallback {
const nsString mScope;
public:
explicit ScopeCheckingGetCallback(const nsAString& aScope) : mScope(aScope) {}
NS_IMETHOD Handle(const nsAString& aID, const nsAString& aTitle,
const nsAString& aDir, const nsAString& aLang,
const nsAString& aBody, const nsAString& aTag,
const nsAString& aIcon, const nsAString& aData,
const nsAString& aBehavior,
const nsAString& aServiceWorkerRegistrationScope) final {
AssertIsOnMainThread();
MOZ_ASSERT(!aID.IsEmpty());
// Skip scopes that don't match when called from getNotifications().
if (!mScope.IsEmpty() && !mScope.Equals(aServiceWorkerRegistrationScope)) {
return NS_OK;
}
NotificationStrings strings = {
nsString(aID), nsString(aTitle),
nsString(aDir), nsString(aLang),
nsString(aBody), nsString(aTag),
nsString(aIcon), nsString(aData),
nsString(aBehavior), nsString(aServiceWorkerRegistrationScope),
};
mStrings.AppendElement(std::move(strings));
return NS_OK;
}
NS_IMETHOD Done() override = 0;
protected:
virtual ~ScopeCheckingGetCallback() = default;
nsTArray<NotificationStrings> mStrings;
};
class NotificationStorageCallback final : public ScopeCheckingGetCallback {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(NotificationStorageCallback)
NotificationStorageCallback(nsIGlobalObject* aWindow, const nsAString& aScope,
Promise* aPromise)
: ScopeCheckingGetCallback(aScope), mWindow(aWindow), mPromise(aPromise) {
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
MOZ_ASSERT(aPromise);
}
NS_IMETHOD Done() final {
ErrorResult result;
AutoTArray<RefPtr<Notification>, 5> notifications;
for (uint32_t i = 0; i < mStrings.Length(); ++i) {
RefPtr<Notification> n = Notification::ConstructFromFields(
mWindow, mStrings[i].mID, mStrings[i].mTitle, mStrings[i].mDir,
mStrings[i].mLang, mStrings[i].mBody, mStrings[i].mTag,
mStrings[i].mIcon, mStrings[i].mData,
/* mStrings[i].mBehavior, not
* supported */
mStrings[i].mServiceWorkerRegistrationScope, result);
n->SetStoredState(true);
Unused << NS_WARN_IF(result.Failed());
if (!result.Failed()) {
notifications.AppendElement(n.forget());
}
}
mPromise->MaybeResolve(notifications);
return NS_OK;
}
private:
virtual ~NotificationStorageCallback() = default;
nsCOMPtr<nsIGlobalObject> mWindow;
RefPtr<Promise> mPromise;
const nsString mScope;
};
NS_IMPL_CYCLE_COLLECTING_ADDREF(NotificationStorageCallback)
NS_IMPL_CYCLE_COLLECTING_RELEASE(NotificationStorageCallback)
NS_IMPL_CYCLE_COLLECTION(NotificationStorageCallback, mWindow, mPromise);
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(NotificationStorageCallback)
NS_INTERFACE_MAP_ENTRY(nsINotificationStorageCallback)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
class NotificationGetRunnable final : public Runnable {
const nsString mOrigin;
const nsString mTag;
nsCOMPtr<nsINotificationStorageCallback> mCallback;
public:
NotificationGetRunnable(const nsAString& aOrigin, const nsAString& aTag,
nsINotificationStorageCallback* aCallback)
: Runnable("NotificationGetRunnable"),
mOrigin(aOrigin),
mTag(aTag),
mCallback(aCallback) {}
NS_IMETHOD
Run() override {
nsresult rv;
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = notificationStorage->Get(mOrigin, mTag, mCallback);
// XXXnsm Is it guaranteed mCallback will be called in case of failure?
Unused << NS_WARN_IF(NS_FAILED(rv));
return rv;
}
};
class NotificationPermissionRequest : public ContentPermissionRequestBase,
public nsIRunnable,
public nsINamed {
public:
NS_DECL_NSIRUNNABLE
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(NotificationPermissionRequest,
ContentPermissionRequestBase)
// nsIContentPermissionRequest
NS_IMETHOD Cancel(void) override;
NS_IMETHOD Allow(JS::HandleValue choices) override;
NotificationPermissionRequest(nsIPrincipal* aPrincipal,
nsPIDOMWindowInner* aWindow, Promise* aPromise,
NotificationPermissionCallback* aCallback)
: ContentPermissionRequestBase(aPrincipal, aWindow, "notification"_ns,
"desktop-notification"_ns),
mPermission(NotificationPermission::Default),
mPromise(aPromise),
mCallback(aCallback) {
MOZ_ASSERT(aPromise);
}
NS_IMETHOD GetName(nsACString& aName) override {
aName.AssignLiteral("NotificationPermissionRequest");
return NS_OK;
}
protected:
~NotificationPermissionRequest() = default;
MOZ_CAN_RUN_SCRIPT nsresult ResolvePromise();
nsresult DispatchResolvePromise();
NotificationPermission mPermission;
RefPtr<Promise> mPromise;
RefPtr<NotificationPermissionCallback> mCallback;
};
namespace {
class ReleaseNotificationControlRunnable final
: public MainThreadWorkerControlRunnable {
Notification* mNotification;
public:
explicit ReleaseNotificationControlRunnable(Notification* aNotification)
: MainThreadWorkerControlRunnable(aNotification->mWorkerPrivate),
mNotification(aNotification) {}
bool WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override {
mNotification->ReleaseObject();
return true;
}
};
class GetPermissionRunnable final : public WorkerMainThreadRunnable {
NotificationPermission mPermission;
public:
explicit GetPermissionRunnable(WorkerPrivate* aWorker)
: WorkerMainThreadRunnable(aWorker, "Notification :: Get Permission"_ns),
mPermission(NotificationPermission::Denied) {}
bool MainThreadRun() override {
ErrorResult result;
mPermission = Notification::GetPermissionInternal(
mWorkerPrivate->GetPrincipal(), result);
return true;
}
NotificationPermission GetPermission() { return mPermission; }
};
class FocusWindowRunnable final : public Runnable {
nsMainThreadPtrHandle<nsPIDOMWindowInner> mWindow;
public:
explicit FocusWindowRunnable(
const nsMainThreadPtrHandle<nsPIDOMWindowInner>& aWindow)
: Runnable("FocusWindowRunnable"), mWindow(aWindow) {}
NS_IMETHOD
Run() override {
AssertIsOnMainThread();
if (!mWindow->IsCurrentInnerWindow()) {
// Window has been closed, this observer is not valid anymore
return NS_OK;
}
nsFocusManager::FocusWindow(mWindow->GetOuterWindow(), CallerType::System);
return NS_OK;
}
};
nsresult CheckScope(nsIPrincipal* aPrincipal, const nsACString& aScope,
uint64_t aWindowID) {
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return aPrincipal->CheckMayLoadWithReporting(
scopeURI,
/* allowIfInheritsPrincipal = */ false, aWindowID);
}
} // anonymous namespace
// Subclass that can be directly dispatched to child workers from the main
// thread.
class NotificationWorkerRunnable : public MainThreadWorkerRunnable {
protected:
explicit NotificationWorkerRunnable(WorkerPrivate* aWorkerPrivate)
: MainThreadWorkerRunnable(aWorkerPrivate) {}
bool WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override {
aWorkerPrivate->AssertIsOnWorkerThread();
aWorkerPrivate->ModifyBusyCountFromWorker(true);
WorkerRunInternal(aWorkerPrivate);
return true;
}
void PostRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
bool aRunResult) override {
aWorkerPrivate->ModifyBusyCountFromWorker(false);
}
virtual void WorkerRunInternal(WorkerPrivate* aWorkerPrivate) = 0;
};
// Overrides dispatch and run handlers so we can directly dispatch from main
// thread to child workers.
class NotificationEventWorkerRunnable final
: public NotificationWorkerRunnable {
Notification* mNotification;
const nsString mEventName;
public:
NotificationEventWorkerRunnable(Notification* aNotification,
const nsString& aEventName)
: NotificationWorkerRunnable(aNotification->mWorkerPrivate),
mNotification(aNotification),
mEventName(aEventName) {}
void WorkerRunInternal(WorkerPrivate* aWorkerPrivate) override {
mNotification->DispatchTrustedEvent(mEventName);
}
};
class ReleaseNotificationRunnable final : public NotificationWorkerRunnable {
Notification* mNotification;
public:
explicit ReleaseNotificationRunnable(Notification* aNotification)
: NotificationWorkerRunnable(aNotification->mWorkerPrivate),
mNotification(aNotification) {}
void WorkerRunInternal(WorkerPrivate* aWorkerPrivate) override {
mNotification->ReleaseObject();
}
nsresult Cancel() override {
mNotification->ReleaseObject();
return NotificationWorkerRunnable::Cancel();
}
};
// Create one whenever you require ownership of the notification. Use with
// UniquePtr<>. See Notification.h for details.
class NotificationRef final {
friend class WorkerNotificationObserver;
private:
Notification* mNotification;
bool mInited;
// Only useful for workers.
void Forget() { mNotification = nullptr; }
public:
explicit NotificationRef(Notification* aNotification)
: mNotification(aNotification) {
MOZ_ASSERT(mNotification);
if (mNotification->mWorkerPrivate) {
mNotification->mWorkerPrivate->AssertIsOnWorkerThread();
} else {
AssertIsOnMainThread();
}
mInited = mNotification->AddRefObject();
}
// This is only required because Gecko runs script in a worker's onclose
// handler (non-standard, Bug 790919) where calls to HoldWorker() will
// fail. Due to non-standardness and added complications if we decide to
// support this, attempts to create a Notification in onclose just throw
// exceptions.
bool Initialized() { return mInited; }
~NotificationRef() {
if (Initialized() && mNotification) {
Notification* notification = mNotification;
mNotification = nullptr;
if (notification->mWorkerPrivate && NS_IsMainThread()) {
// Try to pass ownership back to the worker. If the dispatch succeeds we
// are guaranteed this runnable will run, and that it will run after
// queued event runnables, so event runnables will have a safe pointer
// to the Notification.
//
// If the dispatch fails, the worker isn't running anymore and the event
// runnables have already run or been canceled. We can use a control
// runnable to release the reference.
RefPtr<ReleaseNotificationRunnable> r =
new ReleaseNotificationRunnable(notification);
if (!r->Dispatch()) {
RefPtr<ReleaseNotificationControlRunnable> r =
new ReleaseNotificationControlRunnable(notification);
MOZ_ALWAYS_TRUE(r->Dispatch());
}
} else {
notification->AssertIsOnTargetThread();
notification->ReleaseObject();
}
}
}
// XXXnsm, is it worth having some sort of WeakPtr like wrapper instead of
// a rawptr that the NotificationRef can invalidate?
Notification* GetNotification() {
MOZ_ASSERT(Initialized());
return mNotification;
}
};
class NotificationTask : public Runnable {
public:
enum NotificationAction { eShow, eClose };
NotificationTask(const char* aName, UniquePtr<NotificationRef> aRef,
NotificationAction aAction)
: Runnable(aName), mNotificationRef(std::move(aRef)), mAction(aAction) {}
NS_IMETHOD
Run() override;
protected:
virtual ~NotificationTask() = default;
UniquePtr<NotificationRef> mNotificationRef;
NotificationAction mAction;
};
uint32_t Notification::sCount = 0;
NS_IMPL_CYCLE_COLLECTION_INHERITED(NotificationPermissionRequest,
ContentPermissionRequestBase, mCallback)
NS_IMPL_ADDREF_INHERITED(NotificationPermissionRequest,
ContentPermissionRequestBase)
NS_IMPL_RELEASE_INHERITED(NotificationPermissionRequest,
ContentPermissionRequestBase)
NS_IMPL_QUERY_INTERFACE_CYCLE_COLLECTION_INHERITED(
NotificationPermissionRequest, ContentPermissionRequestBase, nsIRunnable,
nsINamed)
NS_IMETHODIMP
NotificationPermissionRequest::Run() {
bool isSystem = mPrincipal->IsSystemPrincipal();
bool blocked = false;
if (isSystem) {
mPermission = NotificationPermission::Granted;
} else {
// File are automatically granted permission.
if (mPrincipal->SchemeIs("file")) {
mPermission = NotificationPermission::Granted;
} else if (!StaticPrefs::dom_webnotifications_allowinsecure() &&
!mWindow->IsSecureContext()) {
mPermission = NotificationPermission::Denied;
blocked = true;
nsCOMPtr<Document> doc = mWindow->GetExtantDoc();
if (doc) {
nsContentUtils::ReportToConsole(
nsIScriptError::errorFlag, "DOM"_ns, doc,
nsContentUtils::eDOM_PROPERTIES,
"NotificationsInsecureRequestIsForbidden");
}
}
}
// We can't call ShowPrompt() directly here since our logic for determining
// whether to display a prompt depends on the checks above as well as the
// result of CheckPromptPrefs(). So we have to manually check the prompt
// prefs and decide what to do based on that.
PromptResult pr = CheckPromptPrefs();
switch (pr) {
case PromptResult::Granted:
mPermission = NotificationPermission::Granted;
break;
case PromptResult::Denied:
mPermission = NotificationPermission::Denied;
break;
default:
// ignore
break;
}
if (!mIsHandlingUserInput &&
!StaticPrefs::dom_webnotifications_requireuserinteraction()) {
nsCOMPtr<Document> doc = mWindow->GetExtantDoc();
if (doc) {
doc->WarnOnceAbout(Document::eNotificationsRequireUserGestureDeprecation);
}
}
// Check this after checking the prompt prefs to make sure this pref overrides
// those. We rely on this for testing purposes.
if (!isSystem && !blocked &&
!StaticPrefs::dom_webnotifications_allowcrossoriginiframe() &&
!mPrincipal->Subsumes(mTopLevelPrincipal)) {
mPermission = NotificationPermission::Denied;
blocked = true;
nsCOMPtr<Document> doc = mWindow->GetExtantDoc();
if (doc) {
nsContentUtils::ReportToConsole(
nsIScriptError::errorFlag, "DOM"_ns, doc,
nsContentUtils::eDOM_PROPERTIES,
"NotificationsCrossOriginIframeRequestIsForbidden");
}
}
if (mPermission != NotificationPermission::Default) {
return DispatchResolvePromise();
}
return nsContentPermissionUtils::AskPermission(this, mWindow);
}
NS_IMETHODIMP
NotificationPermissionRequest::Cancel() {
// `Cancel` is called if the user denied permission or dismissed the
// permission request. To distinguish between the two, we set the
// permission to "default" and query the permission manager in
// `ResolvePromise`.
mPermission = NotificationPermission::Default;
return DispatchResolvePromise();
}
NS_IMETHODIMP
NotificationPermissionRequest::Allow(JS::HandleValue aChoices) {
MOZ_ASSERT(aChoices.isUndefined());
mPermission = NotificationPermission::Granted;
return DispatchResolvePromise();
}
inline nsresult NotificationPermissionRequest::DispatchResolvePromise() {
nsCOMPtr<nsIRunnable> resolver =
NewRunnableMethod("NotificationPermissionRequest::DispatchResolvePromise",
this, &NotificationPermissionRequest::ResolvePromise);
if (nsIEventTarget* target = mWindow->EventTargetFor(TaskCategory::Other)) {
return target->Dispatch(resolver.forget(), nsIEventTarget::DISPATCH_NORMAL);
}
return NS_ERROR_FAILURE;
}
nsresult NotificationPermissionRequest::ResolvePromise() {
nsresult rv = NS_OK;
// This will still be "default" if the user dismissed the doorhanger,
// or "denied" otherwise.
if (mPermission == NotificationPermission::Default) {
// When the front-end has decided to deny the permission request
// automatically and we are not handling user input, then log a
// warning in the current document that this happened because
// Notifications require a user gesture.
if (!mIsHandlingUserInput &&
StaticPrefs::dom_webnotifications_requireuserinteraction()) {
nsCOMPtr<Document> doc = mWindow->GetExtantDoc();
if (doc) {
nsContentUtils::ReportToConsole(nsIScriptError::errorFlag, "DOM"_ns,
doc, nsContentUtils::eDOM_PROPERTIES,
"NotificationsRequireUserGesture");
}
}
mPermission = Notification::TestPermission(mPrincipal);
}
if (mCallback) {
ErrorResult error;
RefPtr<NotificationPermissionCallback> callback(mCallback);
callback->Call(mPermission, error);
rv = error.StealNSResult();
}
mPromise->MaybeResolve(mPermission);
return rv;
}
// Observer that the alert service calls to do common tasks and/or dispatch to
// the specific observer for the context e.g. main thread, worker, or service
// worker.
class NotificationObserver final : public nsIObserver {
public:
nsCOMPtr<nsIObserver> mObserver;
nsCOMPtr<nsIPrincipal> mPrincipal;
bool mInPrivateBrowsing;
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NotificationObserver(nsIObserver* aObserver, nsIPrincipal* aPrincipal,
bool aInPrivateBrowsing)
: mObserver(aObserver),
mPrincipal(aPrincipal),
mInPrivateBrowsing(aInPrivateBrowsing) {
AssertIsOnMainThread();
MOZ_ASSERT(mObserver);
MOZ_ASSERT(mPrincipal);
}
protected:
virtual ~NotificationObserver() { AssertIsOnMainThread(); }
nsresult AdjustPushQuota(const char* aTopic);
};
NS_IMPL_ISUPPORTS(NotificationObserver, nsIObserver)
class MainThreadNotificationObserver : public nsIObserver {
public:
UniquePtr<NotificationRef> mNotificationRef;
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
explicit MainThreadNotificationObserver(UniquePtr<NotificationRef> aRef)
: mNotificationRef(std::move(aRef)) {
AssertIsOnMainThread();
}
protected:
virtual ~MainThreadNotificationObserver() { AssertIsOnMainThread(); }
};
NS_IMPL_ISUPPORTS(MainThreadNotificationObserver, nsIObserver)
NS_IMETHODIMP
NotificationTask::Run() {
AssertIsOnMainThread();
// Get a pointer to notification before the notification takes ownership of
// the ref (it owns itself temporarily, with ShowInternal() and
// CloseInternal() passing on the ownership appropriately.)
Notification* notif = mNotificationRef->GetNotification();
notif->mTempRef.swap(mNotificationRef);
if (mAction == eShow) {
notif->ShowInternal();
} else if (mAction == eClose) {
notif->CloseInternal();
} else {
MOZ_CRASH("Invalid action");
}
MOZ_ASSERT(!mNotificationRef);
return NS_OK;
}
// static
bool Notification::PrefEnabled(JSContext* aCx, JSObject* aObj) {
if (!NS_IsMainThread()) {
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
if (!workerPrivate) {
return false;
}
if (workerPrivate->IsServiceWorker()) {
return StaticPrefs::dom_webnotifications_serviceworker_enabled();
}
}
return StaticPrefs::dom_webnotifications_enabled();
}
// static
bool Notification::IsGetEnabled(JSContext* aCx, JSObject* aObj) {
return NS_IsMainThread();
}
Notification::Notification(nsIGlobalObject* aGlobal, const nsAString& aID,
const nsAString& aTitle, const nsAString& aBody,
NotificationDirection aDir, const nsAString& aLang,
const nsAString& aTag, const nsAString& aIconUrl,
bool aRequireInteraction, bool aSilent,
nsTArray<uint32_t>&& aVibrate,
const NotificationBehavior& aBehavior)
: DOMEventTargetHelper(aGlobal),
mWorkerPrivate(nullptr),
mObserver(nullptr),
mID(aID),
mTitle(aTitle),
mBody(aBody),
mDir(aDir),
mLang(aLang),
mTag(aTag),
mIconUrl(aIconUrl),
mRequireInteraction(aRequireInteraction),
mSilent(aSilent),
mVibrate(std::move(aVibrate)),
mBehavior(aBehavior),
mData(JS::NullValue()),
mIsClosed(false),
mIsStored(false),
mTaskCount(0) {
if (!NS_IsMainThread()) {
mWorkerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(mWorkerPrivate);
}
}
nsresult Notification::Init() {
if (!mWorkerPrivate) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
NS_ENSURE_TRUE(obs, NS_ERROR_FAILURE);
nsresult rv = obs->AddObserver(this, DOM_WINDOW_DESTROYED_TOPIC, true);
NS_ENSURE_SUCCESS(rv, rv);
rv = obs->AddObserver(this, DOM_WINDOW_FROZEN_TOPIC, true);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
void Notification::SetAlertName() {
AssertIsOnMainThread();
if (!mAlertName.IsEmpty()) {
return;
}
nsAutoString alertName;
nsresult rv = GetOrigin(GetPrincipal(), alertName);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
// Get the notification name that is unique per origin + tag/ID.
// The name of the alert is of the form origin#tag/ID.
alertName.Append('#');
if (!mTag.IsEmpty()) {
alertName.AppendLiteral("tag:");
alertName.Append(mTag);
} else {
alertName.AppendLiteral("notag:");
alertName.Append(mID);
}
mAlertName = alertName;
}
// May be called on any thread.
// static
already_AddRefed<Notification> Notification::Constructor(
const GlobalObject& aGlobal, const nsAString& aTitle,
const NotificationOptions& aOptions, ErrorResult& aRv) {
// FIXME(nsm): If the sticky flag is set, throw an error.
RefPtr<ServiceWorkerGlobalScope> scope;
UNWRAP_OBJECT(ServiceWorkerGlobalScope, aGlobal.Get(), scope);
if (scope) {
aRv.ThrowTypeError(
"Notification constructor cannot be used in ServiceWorkerGlobalScope. "
"Use registration.showNotification() instead.");
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<Notification> notification =
CreateAndShow(aGlobal.Context(), global, aTitle, aOptions, u""_ns, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
// This is be ok since we are on the worker thread where this function will
// run to completion before the Notification has a chance to go away.
return notification.forget();
}
// static
already_AddRefed<Notification> Notification::ConstructFromFields(
nsIGlobalObject* aGlobal, const nsAString& aID, const nsAString& aTitle,
const nsAString& aDir, const nsAString& aLang, const nsAString& aBody,
const nsAString& aTag, const nsAString& aIcon, const nsAString& aData,
const nsAString& aServiceWorkerRegistrationScope, ErrorResult& aRv) {
MOZ_ASSERT(aGlobal);
RootedDictionary<NotificationOptions> options(RootingCx());
options.mDir = Notification::StringToDirection(nsString(aDir));
options.mLang = aLang;
options.mBody = aBody;
options.mTag = aTag;
options.mIcon = aIcon;
RefPtr<Notification> notification =
CreateInternal(aGlobal, aID, aTitle, options, aRv);
notification->InitFromBase64(aData, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
notification->SetScope(aServiceWorkerRegistrationScope);
return notification.forget();
}
nsresult Notification::PersistNotification() {
AssertIsOnMainThread();
nsresult rv;
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
return rv;
}
nsString origin;
rv = GetOrigin(GetPrincipal(), origin);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsString id;
GetID(id);
nsString alertName;
GetAlertName(alertName);
nsAutoString behavior;
if (!mBehavior.ToJSON(behavior)) {
return NS_ERROR_FAILURE;
}
rv = notificationStorage->Put(origin, id, mTitle, DirectionToString(mDir),
mLang, mBody, mTag, mIconUrl, alertName,
mDataAsBase64, behavior, mScope);
if (NS_FAILED(rv)) {
return rv;
}
SetStoredState(true);
return NS_OK;
}
void Notification::UnpersistNotification() {
AssertIsOnMainThread();
if (IsStored()) {
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID);
if (notificationStorage) {
nsString origin;
nsresult rv = GetOrigin(GetPrincipal(), origin);
if (NS_SUCCEEDED(rv)) {
notificationStorage->Delete(origin, mID);
}
}
SetStoredState(false);
}
}
already_AddRefed<Notification> Notification::CreateInternal(
nsIGlobalObject* aGlobal, const nsAString& aID, const nsAString& aTitle,
const NotificationOptions& aOptions, ErrorResult& aRv) {
nsresult rv;
nsString id;
if (!aID.IsEmpty()) {
id = aID;
} else {
nsCOMPtr<nsIUUIDGenerator> uuidgen =
do_GetService("@mozilla.org/uuid-generator;1");
NS_ENSURE_TRUE(uuidgen, nullptr);
nsID uuid;
rv = uuidgen->GenerateUUIDInPlace(&uuid);
NS_ENSURE_SUCCESS(rv, nullptr);
char buffer[NSID_LENGTH];
uuid.ToProvidedString(buffer);
NS_ConvertASCIItoUTF16 convertedID(buffer);
id = convertedID;
}
bool silent = false;
if (StaticPrefs::dom_webnotifications_silent_enabled()) {
silent = aOptions.mSilent;
}
nsTArray<uint32_t> vibrate;
if (StaticPrefs::dom_webnotifications_vibrate_enabled() &&
aOptions.mVibrate.WasPassed()) {
if (silent) {
aRv.ThrowTypeError(
"Silent notifications must not specify vibration patterns.");
return nullptr;
}
const OwningUnsignedLongOrUnsignedLongSequence& value =
aOptions.mVibrate.Value();
if (value.IsUnsignedLong()) {
AutoTArray<uint32_t, 1> array;
array.AppendElement(value.GetAsUnsignedLong());
vibrate = SanitizeVibratePattern(array);
} else {
vibrate = SanitizeVibratePattern(value.GetAsUnsignedLongSequence());
}
}
RefPtr<Notification> notification = new Notification(
aGlobal, id, aTitle, aOptions.mBody, aOptions.mDir, aOptions.mLang,
aOptions.mTag, aOptions.mIcon, aOptions.mRequireInteraction, silent,
std::move(vibrate), aOptions.mMozbehavior);
rv = notification->Init();
NS_ENSURE_SUCCESS(rv, nullptr);
return notification.forget();
}
Notification::~Notification() {
mozilla::DropJSObjects(this);
AssertIsOnTargetThread();
MOZ_ASSERT(!mWorkerRef);
MOZ_ASSERT(!mTempRef);
}
NS_IMPL_CYCLE_COLLECTION_CLASS(Notification)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(Notification,
DOMEventTargetHelper)
tmp->mData.setUndefined();
NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_REFERENCE
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(Notification,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(Notification,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mData)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_ADDREF_INHERITED(Notification, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(Notification, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Notification)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
nsIPrincipal* Notification::GetPrincipal() {
AssertIsOnMainThread();
if (mWorkerPrivate) {
return mWorkerPrivate->GetPrincipal();
} else {
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(GetOwner());
NS_ENSURE_TRUE(sop, nullptr);
return sop->GetPrincipal();
}
}
class WorkerNotificationObserver final : public MainThreadNotificationObserver {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(WorkerNotificationObserver,
MainThreadNotificationObserver)
NS_DECL_NSIOBSERVER
explicit WorkerNotificationObserver(UniquePtr<NotificationRef> aRef)
: MainThreadNotificationObserver(std::move(aRef)) {
AssertIsOnMainThread();
MOZ_ASSERT(mNotificationRef->GetNotification()->mWorkerPrivate);
}
void ForgetNotification() {
AssertIsOnMainThread();
mNotificationRef->Forget();
}
protected:
virtual ~WorkerNotificationObserver() {
AssertIsOnMainThread();
MOZ_ASSERT(mNotificationRef);
Notification* notification = mNotificationRef->GetNotification();
if (notification) {
notification->mObserver = nullptr;
}
}
};
class ServiceWorkerNotificationObserver final : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
ServiceWorkerNotificationObserver(
const nsAString& aScope, nsIPrincipal* aPrincipal, const nsAString& aID,
const nsAString& aTitle, const nsAString& aDir, const nsAString& aLang,
const nsAString& aBody, const nsAString& aTag, const nsAString& aIcon,
const nsAString& aData, const nsAString& aBehavior)
: mScope(aScope),
mID(aID),
mPrincipal(aPrincipal),
mTitle(aTitle),
mDir(aDir),
mLang(aLang),
mBody(aBody),
mTag(aTag),
mIcon(aIcon),
mData(aData),
mBehavior(aBehavior) {
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
}
private:
~ServiceWorkerNotificationObserver() = default;
const nsString mScope;
const nsString mID;
nsCOMPtr<nsIPrincipal> mPrincipal;
const nsString mTitle;
const nsString mDir;
const nsString mLang;
const nsString mBody;
const nsString mTag;
const nsString mIcon;
const nsString mData;
const nsString mBehavior;
};
NS_IMPL_ISUPPORTS(ServiceWorkerNotificationObserver, nsIObserver)
bool Notification::DispatchClickEvent() {
AssertIsOnTargetThread();
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
event->InitEvent(u"click"_ns, false, true);
event->SetTrusted(true);
WantsPopupControlCheck popupControlCheck(event);
return DispatchEvent(*event, CallerType::System, IgnoreErrors());
}
// Overrides dispatch and run handlers so we can directly dispatch from main
// thread to child workers.
class NotificationClickWorkerRunnable final
: public NotificationWorkerRunnable {
Notification* mNotification;
// Optional window that gets focused if click event is not
// preventDefault()ed.
nsMainThreadPtrHandle<nsPIDOMWindowInner> mWindow;
public:
NotificationClickWorkerRunnable(
Notification* aNotification,
const nsMainThreadPtrHandle<nsPIDOMWindowInner>& aWindow)
: NotificationWorkerRunnable(aNotification->mWorkerPrivate),
mNotification(aNotification),
mWindow(aWindow) {
MOZ_ASSERT_IF(mWorkerPrivate->IsServiceWorker(), !mWindow);
}
void WorkerRunInternal(WorkerPrivate* aWorkerPrivate) override {
bool doDefaultAction = mNotification->DispatchClickEvent();
MOZ_ASSERT_IF(mWorkerPrivate->IsServiceWorker(), !doDefaultAction);
if (doDefaultAction) {
RefPtr<FocusWindowRunnable> r = new FocusWindowRunnable(mWindow);
mWorkerPrivate->DispatchToMainThread(r.forget());
}
}
};
NS_IMETHODIMP
NotificationObserver::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
if (!strcmp("alertdisablecallback", aTopic)) {
if (XRE_IsParentProcess()) {
return Notification::RemovePermission(mPrincipal);
}
// Permissions can't be removed from the content process. Send a message
// to the parent; `ContentParent::RecvDisableNotifications` will call
// `RemovePermission`.
ContentChild::GetSingleton()->SendDisableNotifications(
IPC::Principal(mPrincipal));
return NS_OK;
} else if (!strcmp("alertsettingscallback", aTopic)) {
if (XRE_IsParentProcess()) {
return Notification::OpenSettings(mPrincipal);
}
// `ContentParent::RecvOpenNotificationSettings` notifies observers in the
// parent process.
ContentChild::GetSingleton()->SendOpenNotificationSettings(
IPC::Principal(mPrincipal));
return NS_OK;
} else if (!strcmp("alertshow", aTopic) || !strcmp("alertfinished", aTopic)) {
Unused << NS_WARN_IF(NS_FAILED(AdjustPushQuota(aTopic)));
}
return mObserver->Observe(aSubject, aTopic, aData);
}
nsresult NotificationObserver::AdjustPushQuota(const char* aTopic) {
nsCOMPtr<nsIPushQuotaManager> pushQuotaManager =
do_GetService("@mozilla.org/push/Service;1");
if (!pushQuotaManager) {
return NS_ERROR_FAILURE;
}
nsAutoCString origin;
nsresult rv = mPrincipal->GetOrigin(origin);
if (NS_FAILED(rv)) {
return rv;
}
if (!strcmp("alertshow", aTopic)) {
return pushQuotaManager->NotificationForOriginShown(origin.get());
}
return pushQuotaManager->NotificationForOriginClosed(origin.get());
}
NS_IMETHODIMP
MainThreadNotificationObserver::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
MOZ_ASSERT(mNotificationRef);
Notification* notification = mNotificationRef->GetNotification();
MOZ_ASSERT(notification);
if (!strcmp("alertclickcallback", aTopic)) {
nsCOMPtr<nsPIDOMWindowInner> window = notification->GetOwner();
if (NS_WARN_IF(!window || !window->IsCurrentInnerWindow())) {
// Window has been closed, this observer is not valid anymore
return NS_ERROR_FAILURE;
}
bool doDefaultAction = notification->DispatchClickEvent();
if (doDefaultAction) {
nsFocusManager::FocusWindow(window->GetOuterWindow(), CallerType::System);
}
} else if (!strcmp("alertfinished", aTopic)) {
notification->UnpersistNotification();
notification->mIsClosed = true;
notification->DispatchTrustedEvent(u"close"_ns);
} else if (!strcmp("alertshow", aTopic)) {
notification->DispatchTrustedEvent(u"show"_ns);
}
return NS_OK;
}
NS_IMETHODIMP
WorkerNotificationObserver::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
MOZ_ASSERT(mNotificationRef);
// For an explanation of why it is OK to pass this rawptr to the event
// runnables, see the Notification class comment.
Notification* notification = mNotificationRef->GetNotification();
// We can't assert notification here since the feature could've unset it.
if (NS_WARN_IF(!notification)) {
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(notification->mWorkerPrivate);
RefPtr<WorkerRunnable> r;
if (!strcmp("alertclickcallback", aTopic)) {
nsPIDOMWindowInner* window = nullptr;
if (!notification->mWorkerPrivate->IsServiceWorker()) {
WorkerPrivate* top = notification->mWorkerPrivate;
while (top->GetParent()) {
top = top->GetParent();
}
window = top->GetWindow();
if (NS_WARN_IF(!window || !window->IsCurrentInnerWindow())) {
// Window has been closed, this observer is not valid anymore
return NS_ERROR_FAILURE;
}
}
// Instead of bothering with adding features and other worker lifecycle
// management, we simply hold strongrefs to the window and document.
nsMainThreadPtrHandle<nsPIDOMWindowInner> windowHandle(
new nsMainThreadPtrHolder<nsPIDOMWindowInner>(
"WorkerNotificationObserver::Observe::nsPIDOMWindowInner", window));
r = new NotificationClickWorkerRunnable(notification, windowHandle);
} else if (!strcmp("alertfinished", aTopic)) {
notification->UnpersistNotification();
notification->mIsClosed = true;
r = new NotificationEventWorkerRunnable(notification, u"close"_ns);
} else if (!strcmp("alertshow", aTopic)) {
r = new NotificationEventWorkerRunnable(notification, u"show"_ns);
}
MOZ_ASSERT(r);
if (!r->Dispatch()) {
NS_WARNING("Could not dispatch event to worker notification");
}
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerNotificationObserver::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
nsAutoCString originSuffix;
nsresult rv = mPrincipal->GetOriginSuffix(originSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!strcmp("alertclickcallback", aTopic)) {
if (XRE_IsParentProcess()) {
nsCOMPtr<nsIServiceWorkerManager> swm =
mozilla::components::ServiceWorkerManager::Service();
if (NS_WARN_IF(!swm)) {
return NS_ERROR_FAILURE;
}
rv = swm->SendNotificationClickEvent(
originSuffix, NS_ConvertUTF16toUTF8(mScope), mID, mTitle, mDir, mLang,
mBody, mTag, mIcon, mData, mBehavior);
Unused << NS_WARN_IF(NS_FAILED(rv));
} else {
auto* cc = ContentChild::GetSingleton();
NotificationEventData data(originSuffix, NS_ConvertUTF16toUTF8(mScope),
mID, mTitle, mDir, mLang, mBody, mTag, mIcon,
mData, mBehavior);
Unused << cc->SendNotificationEvent(u"click"_ns, data);
}
return NS_OK;
}
if (!strcmp("alertfinished", aTopic)) {
nsString origin;
nsresult rv = Notification::GetOrigin(mPrincipal, origin);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Remove closed or dismissed persistent notifications.
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID);
if (notificationStorage) {
notificationStorage->Delete(origin, mID);
}
if (XRE_IsParentProcess()) {
nsCOMPtr<nsIServiceWorkerManager> swm =
mozilla::components::ServiceWorkerManager::Service();
if (NS_WARN_IF(!swm)) {
return NS_ERROR_FAILURE;
}
rv = swm->SendNotificationCloseEvent(
originSuffix, NS_ConvertUTF16toUTF8(mScope), mID, mTitle, mDir, mLang,
mBody, mTag, mIcon, mData, mBehavior);
Unused << NS_WARN_IF(NS_FAILED(rv));
} else {
auto* cc = ContentChild::GetSingleton();
NotificationEventData data(originSuffix, NS_ConvertUTF16toUTF8(mScope),
mID, mTitle, mDir, mLang, mBody, mTag, mIcon,
mData, mBehavior);
Unused << cc->SendNotificationEvent(u"close"_ns, data);
}
return NS_OK;
}
return NS_OK;
}
bool Notification::IsInPrivateBrowsing() {
AssertIsOnMainThread();
Document* doc = nullptr;
if (mWorkerPrivate) {
doc = mWorkerPrivate->GetDocument();
} else if (GetOwner()) {
doc = GetOwner()->GetExtantDoc();
}
if (doc) {
nsCOMPtr<nsILoadContext> loadContext = doc->GetLoadContext();
return loadContext && loadContext->UsePrivateBrowsing();
}
if (mWorkerPrivate) {
// Not all workers may have a document, but with Bug 1107516 fixed, they
// should all have a loadcontext.
nsCOMPtr<nsILoadGroup> loadGroup = mWorkerPrivate->GetLoadGroup();
nsCOMPtr<nsILoadContext> loadContext;
NS_QueryNotificationCallbacks(nullptr, loadGroup,
NS_GET_IID(nsILoadContext),
getter_AddRefs(loadContext));
return loadContext && loadContext->UsePrivateBrowsing();
}
// XXXnsm Should this default to true?
return false;
}
namespace {
struct StringWriteFunc : public JSONWriteFunc {
nsAString& mBuffer; // This struct must not outlive this buffer
explicit StringWriteFunc(nsAString& buffer) : mBuffer(buffer) {}
void Write(const Span<const char>& aStr) override {
mBuffer.Append(NS_ConvertUTF8toUTF16(aStr.data(), aStr.size()));
}
};
} // namespace
void Notification::ShowInternal() {
AssertIsOnMainThread();
MOZ_ASSERT(mTempRef,
"Notification should take ownership of itself before"
"calling ShowInternal!");
// A notification can only have one observer and one call to ShowInternal.
MOZ_ASSERT(!mObserver);
// Transfer ownership to local scope so we can either release it at the end
// of this function or transfer it to the observer.
UniquePtr<NotificationRef> ownership;
std::swap(ownership, mTempRef);
MOZ_ASSERT(ownership->GetNotification() == this);
nsresult rv = PersistNotification();
if (NS_FAILED(rv)) {
NS_WARNING("Could not persist Notification");
}
nsCOMPtr<nsIAlertsService> alertService = components::Alerts::Service();
ErrorResult result;
NotificationPermission permission = NotificationPermission::Denied;
if (mWorkerPrivate) {
permission = GetPermissionInternal(mWorkerPrivate->GetPrincipal(), result);
} else {
permission = GetPermissionInternal(GetOwner(), result);
}
// We rely on GetPermissionInternal returning Denied on all failure codepaths.
MOZ_ASSERT_IF(result.Failed(), permission == NotificationPermission::Denied);
result.SuppressException();
if (permission != NotificationPermission::Granted || !alertService) {
if (mWorkerPrivate) {
RefPtr<NotificationEventWorkerRunnable> r =
new NotificationEventWorkerRunnable(this, u"error"_ns);
if (!r->Dispatch()) {
NS_WARNING("Could not dispatch event to worker notification");
}
} else {
DispatchTrustedEvent(u"error"_ns);
}
return;
}
nsAutoString iconUrl;
nsAutoString soundUrl;
ResolveIconAndSoundURL(iconUrl, soundUrl);
bool isPersistent = false;
nsCOMPtr<nsIObserver> observer;
if (mScope.IsEmpty()) {
// Ownership passed to observer.
if (mWorkerPrivate) {
// Scope better be set on ServiceWorker initiated requests.
MOZ_ASSERT(!mWorkerPrivate->IsServiceWorker());
// Keep a pointer so that the feature can tell the observer not to release
// the notification.
mObserver = new WorkerNotificationObserver(std::move(ownership));
observer = mObserver;
} else {
observer = new MainThreadNotificationObserver(std::move(ownership));
}
} else {
isPersistent = true;
// This observer does not care about the Notification. It will be released
// at the end of this function.
//
// The observer is wholly owned by the NotificationObserver passed to the
// alert service.
nsAutoString behavior;
if (NS_WARN_IF(!mBehavior.ToJSON(behavior))) {
behavior.Truncate();
}
observer = new ServiceWorkerNotificationObserver(
mScope, GetPrincipal(), mID, mTitle, DirectionToString(mDir), mLang,
mBody, mTag, iconUrl, mDataAsBase64, behavior);
}
MOZ_ASSERT(observer);
nsCOMPtr<nsIObserver> alertObserver =
new NotificationObserver(observer, GetPrincipal(), IsInPrivateBrowsing());
// In the case of IPC, the parent process uses the cookie to map to
// nsIObserver. Thus the cookie must be unique to differentiate observers.
nsString uniqueCookie = u"notification:"_ns;
uniqueCookie.AppendInt(sCount++);
bool inPrivateBrowsing = IsInPrivateBrowsing();
bool requireInteraction = mRequireInteraction;
if (!StaticPrefs::dom_webnotifications_requireinteraction_enabled()) {
requireInteraction = false;
}
nsAutoString alertName;
GetAlertName(alertName);
nsCOMPtr<nsIAlertNotification> alert =
do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
NS_ENSURE_TRUE_VOID(alert);
nsIPrincipal* principal = GetPrincipal();
rv =
alert->Init(alertName, iconUrl, mTitle, mBody, true, uniqueCookie,
DirectionToString(mDir), mLang, mDataAsBase64, GetPrincipal(),
inPrivateBrowsing, requireInteraction, mSilent, mVibrate);
NS_ENSURE_SUCCESS_VOID(rv);
if (isPersistent) {
nsAutoString persistentData;
JSONWriter w(MakeUnique<StringWriteFunc>(persistentData));
w.Start();
nsAutoString origin;
Notification::GetOrigin(principal, origin);
w.StringProperty("origin", NS_ConvertUTF16toUTF8(origin));
w.StringProperty("id", NS_ConvertUTF16toUTF8(mID));
nsAutoCString originSuffix;
principal->GetOriginSuffix(originSuffix);
w.StringProperty("originSuffix", originSuffix);
w.End();
alertService->ShowPersistentNotification(persistentData, alert,
alertObserver);
} else {
alertService->ShowAlert(alert, alertObserver);
}
}
/* static */
bool Notification::RequestPermissionEnabledForScope(JSContext* aCx,
JSObject* /* unused */) {
// requestPermission() is not allowed on workers. The calling page should ask
// for permission on the worker's behalf. This is to prevent 'which window
// should show the browser pop-up'. See discussion:
// http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-October/041272.html
return NS_IsMainThread();
}
// static
already_AddRefed<Promise> Notification::RequestPermission(
const GlobalObject& aGlobal,
const Optional<OwningNonNull<NotificationPermissionCallback> >& aCallback,
ErrorResult& aRv) {
AssertIsOnMainThread();
// Get principal from global to make permission request for notifications.
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(aGlobal.GetAsSupports());
nsCOMPtr<nsIScriptObjectPrincipal> sop =
do_QueryInterface(aGlobal.GetAsSupports());
if (!sop || !window) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
RefPtr<Promise> promise = Promise::Create(window->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
NotificationPermissionCallback* permissionCallback = nullptr;
if (aCallback.WasPassed()) {
permissionCallback = &aCallback.Value();
}
nsCOMPtr<nsIRunnable> request = new NotificationPermissionRequest(
principal, window, promise, permissionCallback);
window->AsGlobal()->Dispatch(TaskCategory::Other, request.forget());
return promise.forget();
}
// static
NotificationPermission Notification::GetPermission(const GlobalObject& aGlobal,
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
return GetPermission(global, aRv);
}
// static
NotificationPermission Notification::GetPermission(nsIGlobalObject* aGlobal,
ErrorResult& aRv) {
if (NS_IsMainThread()) {
return GetPermissionInternal(aGlobal, aRv);
} else {
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
RefPtr<GetPermissionRunnable> r = new GetPermissionRunnable(worker);
r->Dispatch(Canceling, aRv);
if (aRv.Failed()) {
return NotificationPermission::Denied;
}
return r->GetPermission();
}
}
/* static */
NotificationPermission Notification::GetPermissionInternal(nsISupports* aGlobal,
ErrorResult& aRv) {
// Get principal from global to check permission for notifications.
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aGlobal);
if (!sop) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return NotificationPermission::Denied;
}
nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
return GetPermissionInternal(principal, aRv);
}
/* static */
NotificationPermission Notification::GetPermissionInternal(
nsIPrincipal* aPrincipal, ErrorResult& aRv) {
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
if (aPrincipal->IsSystemPrincipal()) {
return NotificationPermission::Granted;
} else {
// Allow files to show notifications by default.
if (aPrincipal->SchemeIs("file")) {
return NotificationPermission::Granted;
}
}
// We also allow notifications is they are pref'ed on.
if (Preferences::GetBool("notification.prompt.testing", false)) {
if (Preferences::GetBool("notification.prompt.testing.allow", true)) {
return NotificationPermission::Granted;
} else {
return NotificationPermission::Denied;
}
}
return TestPermission(aPrincipal);
}
/* static */
NotificationPermission Notification::TestPermission(nsIPrincipal* aPrincipal) {
AssertIsOnMainThread();
uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
nsCOMPtr<nsIPermissionManager> permissionManager =
components::PermissionManager::Service();
if (!permissionManager) {
return NotificationPermission::Default;
}
permissionManager->TestExactPermissionFromPrincipal(
aPrincipal, "desktop-notification"_ns, &permission);
// Convert the result to one of the enum types.
switch (permission) {
case nsIPermissionManager::ALLOW_ACTION:
return NotificationPermission::Granted;
case nsIPermissionManager::DENY_ACTION:
return NotificationPermission::Denied;
default:
return NotificationPermission::Default;
}
}
nsresult Notification::ResolveIconAndSoundURL(nsString& iconUrl,
nsString& soundUrl) {
AssertIsOnMainThread();
nsresult rv = NS_OK;
nsIURI* baseUri = nullptr;
// XXXnsm If I understand correctly, the character encoding for resolving
// URIs in new specs is dictated by the URL spec, which states that unless
// the URL parser is passed an override encoding, the charset to be used is
// UTF-8. The new Notification icon/sound specification just says to use the
// Fetch API, where the Request constructor defers to URL parsing specifying
// the API base URL and no override encoding. So we've to use UTF-8 on
// workers, but for backwards compat keeping it document charset on main
// thread.
auto encoding = UTF_8_ENCODING;
if (mWorkerPrivate) {
baseUri = mWorkerPrivate->GetBaseURI();
} else {
Document* doc = GetOwner() ? GetOwner()->GetExtantDoc() : nullptr;
if (doc) {
baseUri = doc->GetBaseURI();
encoding = doc->GetDocumentCharacterSet();
} else {
NS_WARNING("No document found for main thread notification!");
return NS_ERROR_FAILURE;
}
}
if (baseUri) {
if (mIconUrl.Length() > 0) {
nsCOMPtr<nsIURI> srcUri;
rv = NS_NewURI(getter_AddRefs(srcUri), mIconUrl, encoding, baseUri);
if (NS_SUCCEEDED(rv)) {
nsAutoCString src;
srcUri->GetSpec(src);
CopyUTF8toUTF16(src, iconUrl);
}
}
if (mBehavior.mSoundFile.Length() > 0) {
nsCOMPtr<nsIURI> srcUri;
rv = NS_NewURI(getter_AddRefs(srcUri), mBehavior.mSoundFile, encoding,
baseUri);
if (NS_SUCCEEDED(rv)) {
nsAutoCString src;
srcUri->GetSpec(src);
CopyUTF8toUTF16(src, soundUrl);
}
}
}
return rv;
}
already_AddRefed<Promise> Notification::Get(
nsPIDOMWindowInner* aWindow, const GetNotificationOptions& aFilter,
const nsAString& aScope, ErrorResult& aRv) {
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
nsCOMPtr<Document> doc = aWindow->GetExtantDoc();
if (!doc) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsString origin;
aRv = GetOrigin(doc->NodePrincipal(), origin);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<Promise> promise = Promise::Create(aWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
nsCOMPtr<nsINotificationStorageCallback> callback =
new NotificationStorageCallback(aWindow->AsGlobal(), aScope, promise);
RefPtr<NotificationGetRunnable> r =
new NotificationGetRunnable(origin, aFilter.mTag, callback);
aRv = aWindow->AsGlobal()->Dispatch(TaskCategory::Other, r.forget());
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise> Notification::Get(
const GlobalObject& aGlobal, const GetNotificationOptions& aFilter,
ErrorResult& aRv) {
AssertIsOnMainThread();
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
MOZ_ASSERT(global);
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(global);
return Get(window, aFilter, u""_ns, aRv);
}
class WorkerGetResultRunnable final : public NotificationWorkerRunnable {
RefPtr<PromiseWorkerProxy> mPromiseProxy;
const nsTArray<NotificationStrings> mStrings;
public:
WorkerGetResultRunnable(WorkerPrivate* aWorkerPrivate,
PromiseWorkerProxy* aPromiseProxy,
nsTArray<NotificationStrings>&& aStrings)
: NotificationWorkerRunnable(aWorkerPrivate),
mPromiseProxy(aPromiseProxy),
mStrings(std::move(aStrings)) {}
void WorkerRunInternal(WorkerPrivate* aWorkerPrivate) override {
RefPtr<Promise> workerPromise = mPromiseProxy->WorkerPromise();
ErrorResult result;
AutoTArray<RefPtr<Notification>, 5> notifications;
for (uint32_t i = 0; i < mStrings.Length(); ++i) {
RefPtr<Notification> n = Notification::ConstructFromFields(
aWorkerPrivate->GlobalScope(), mStrings[i].mID, mStrings[i].mTitle,
mStrings[i].mDir, mStrings[i].mLang, mStrings[i].mBody,
mStrings[i].mTag, mStrings[i].mIcon, mStrings[i].mData,
/* mStrings[i].mBehavior, not
* supported */
mStrings[i].mServiceWorkerRegistrationScope, result);
n->SetStoredState(true);
Unused << NS_WARN_IF(result.Failed());
if (!result.Failed()) {
notifications.AppendElement(n.forget());
}
}
workerPromise->MaybeResolve(notifications);
mPromiseProxy->CleanUp();
}
};
class WorkerGetCallback final : public ScopeCheckingGetCallback {
RefPtr<PromiseWorkerProxy> mPromiseProxy;
public:
NS_DECL_ISUPPORTS
WorkerGetCallback(PromiseWorkerProxy* aProxy, const nsAString& aScope)
: ScopeCheckingGetCallback(aScope), mPromiseProxy(aProxy) {
AssertIsOnMainThread();
MOZ_ASSERT(aProxy);
}
NS_IMETHOD Done() final {
AssertIsOnMainThread();
MOZ_ASSERT(mPromiseProxy, "Was Done() called twice?");
RefPtr<PromiseWorkerProxy> proxy = std::move(mPromiseProxy);
MutexAutoLock lock(proxy->Lock());
if (proxy->CleanedUp()) {
return NS_OK;
}
RefPtr<WorkerGetResultRunnable> r = new WorkerGetResultRunnable(
proxy->GetWorkerPrivate(), proxy, std::move(mStrings));
r->Dispatch();
return NS_OK;
}
private:
~WorkerGetCallback() = default;
};
NS_IMPL_ISUPPORTS(WorkerGetCallback, nsINotificationStorageCallback)
class WorkerGetRunnable final : public Runnable {
RefPtr<PromiseWorkerProxy> mPromiseProxy;
const nsString mTag;
const nsString mScope;
public:
WorkerGetRunnable(PromiseWorkerProxy* aProxy, const nsAString& aTag,
const nsAString& aScope)
: Runnable("WorkerGetRunnable"),
mPromiseProxy(aProxy),
mTag(aTag),
mScope(aScope) {
MOZ_ASSERT(mPromiseProxy);
}
NS_IMETHOD
Run() override {
AssertIsOnMainThread();
nsCOMPtr<nsINotificationStorageCallback> callback =
new WorkerGetCallback(mPromiseProxy, mScope);
nsresult rv;
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
callback->Done();
return rv;
}
MutexAutoLock lock(mPromiseProxy->Lock());
if (mPromiseProxy->CleanedUp()) {
return NS_OK;
}
nsString origin;
rv = Notification::GetOrigin(
mPromiseProxy->GetWorkerPrivate()->GetPrincipal(), origin);
if (NS_WARN_IF(NS_FAILED(rv))) {
callback->Done();
return rv;
}
rv = notificationStorage->Get(origin, mTag, callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
callback->Done();
return rv;
}
return NS_OK;
}
private:
~WorkerGetRunnable() = default;
};
// static
already_AddRefed<Promise> Notification::WorkerGet(
WorkerPrivate* aWorkerPrivate, const GetNotificationOptions& aFilter,
const nsAString& aScope, ErrorResult& aRv) {
MOZ_ASSERT(aWorkerPrivate);
aWorkerPrivate->AssertIsOnWorkerThread();
RefPtr<Promise> p = Promise::Create(aWorkerPrivate->GlobalScope(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<PromiseWorkerProxy> proxy =
PromiseWorkerProxy::Create(aWorkerPrivate, p);
if (!proxy) {
aRv.Throw(NS_ERROR_DOM_ABORT_ERR);
return nullptr;
}
RefPtr<WorkerGetRunnable> r =
new WorkerGetRunnable(proxy, aFilter.mTag, aScope);
// Since this is called from script via
// ServiceWorkerRegistration::GetNotifications, we can assert dispatch.
MOZ_ALWAYS_SUCCEEDS(aWorkerPrivate->DispatchToMainThread(r.forget()));
return p.forget();
}
JSObject* Notification::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return mozilla::dom::Notification_Binding::Wrap(aCx, this, aGivenProto);
}
void Notification::Close() {
AssertIsOnTargetThread();
auto ref = MakeUnique<NotificationRef>(this);
if (!ref->Initialized()) {
return;
}
nsCOMPtr<nsIRunnable> closeNotificationTask = new NotificationTask(
"Notification::Close", std::move(ref), NotificationTask::eClose);
nsresult rv = DispatchToMainThread(closeNotificationTask.forget());
if (NS_FAILED(rv)) {
DispatchTrustedEvent(u"error"_ns);
// If dispatch fails, NotificationTask will release the ref when it goes
// out of scope at the end of this function.
}
}
void Notification::CloseInternal() {
AssertIsOnMainThread();
// Transfer ownership (if any) to local scope so we can release it at the end
// of this function. This is relevant when the call is from
// NotificationTask::Run().
UniquePtr<NotificationRef> ownership;
std::swap(ownership, mTempRef);
SetAlertName();
UnpersistNotification();
if (!mIsClosed) {
nsCOMPtr<nsIAlertsService> alertService = components::Alerts::Service();
if (alertService) {
nsAutoString alertName;
GetAlertName(alertName);
alertService->CloseAlert(alertName);
}
}
}
nsresult Notification::GetOrigin(nsIPrincipal* aPrincipal, nsString& aOrigin) {
if (!aPrincipal) {
return NS_ERROR_FAILURE;
}
nsresult rv = nsContentUtils::GetUTFOrigin(aPrincipal, aOrigin);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
bool Notification::RequireInteraction() const { return mRequireInteraction; }
bool Notification::Silent() const { return mSilent; }
void Notification::GetVibrate(nsTArray<uint32_t>& aRetval) const {
aRetval = mVibrate.Clone();
}
void Notification::GetData(JSContext* aCx,
JS::MutableHandle<JS::Value> aRetval) {
if (mData.isNull() && !mDataAsBase64.IsEmpty()) {
nsresult rv;
RefPtr<nsStructuredCloneContainer> container =
new nsStructuredCloneContainer();
rv = container->InitFromBase64(mDataAsBase64, JS_STRUCTURED_CLONE_VERSION);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRetval.setNull();
return;
}
JS::Rooted<JS::Value> data(aCx);
rv = container->DeserializeToJsval(aCx, &data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRetval.setNull();
return;
}
if (data.isGCThing()) {
mozilla::HoldJSObjects(this);
}
mData = data;
}
if (mData.isNull()) {
aRetval.setNull();
return;
}
aRetval.set(mData);
}
void Notification::InitFromJSVal(JSContext* aCx, JS::Handle<JS::Value> aData,
ErrorResult& aRv) {
if (!mDataAsBase64.IsEmpty() || aData.isNull()) {
return;
}
RefPtr<nsStructuredCloneContainer> dataObjectContainer =
new nsStructuredCloneContainer();
aRv = dataObjectContainer->InitFromJSVal(aData, aCx);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
aRv = dataObjectContainer->GetDataAsBase64(mDataAsBase64);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
void Notification::InitFromBase64(const nsAString& aData, ErrorResult& aRv) {
if (!mDataAsBase64.IsEmpty() || aData.IsEmpty()) {
return;
}
// To and fro to ensure it is valid base64.
RefPtr<nsStructuredCloneContainer> container =
new nsStructuredCloneContainer();
aRv = container->InitFromBase64(aData, JS_STRUCTURED_CLONE_VERSION);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
aRv = container->GetDataAsBase64(mDataAsBase64);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
bool Notification::AddRefObject() {
AssertIsOnTargetThread();
MOZ_ASSERT_IF(mWorkerPrivate && !mWorkerRef, mTaskCount == 0);
MOZ_ASSERT_IF(mWorkerPrivate && mWorkerRef, mTaskCount > 0);
if (mWorkerPrivate && !mWorkerRef) {
if (!CreateWorkerRef()) {
return false;
}
}
AddRef();
++mTaskCount;
return true;
}
void Notification::ReleaseObject() {
AssertIsOnTargetThread();
MOZ_ASSERT(mTaskCount > 0);
MOZ_ASSERT_IF(mWorkerPrivate, mWorkerRef);
--mTaskCount;
if (mWorkerPrivate && mTaskCount == 0) {
MOZ_ASSERT(mWorkerRef);
mWorkerRef = nullptr;
}
Release();
}
/*
* Called from the worker, runs on main thread, blocks worker.
*
* We can freely access mNotification here because the feature supplied it and
* the Notification owns the feature.
*/
class CloseNotificationRunnable final : public WorkerMainThreadRunnable {
Notification* mNotification;
bool mHadObserver;
public:
explicit CloseNotificationRunnable(Notification* aNotification)
: WorkerMainThreadRunnable(aNotification->mWorkerPrivate,
"Notification :: Close Notification"_ns),
mNotification(aNotification),
mHadObserver(false) {}
bool MainThreadRun() override {
if (mNotification->mObserver) {
// The Notify() take's responsibility of releasing the Notification.
mNotification->mObserver->ForgetNotification();
mNotification->mObserver = nullptr;
mHadObserver = true;
}
mNotification->CloseInternal();
return true;
}
bool HadObserver() { return mHadObserver; }
};
bool Notification::CreateWorkerRef() {
MOZ_ASSERT(mWorkerPrivate);
mWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(!mWorkerRef);
RefPtr<Notification> self = this;
mWorkerRef =
StrongWorkerRef::Create(mWorkerPrivate, "Notification", [self]() {
// CloseNotificationRunnable blocks the worker by pushing a sync event
// loop on the stack. Meanwhile, WorkerControlRunnables dispatched to
// the worker can still continue running. One of these is
// ReleaseNotificationControlRunnable that releases the notification,
// invalidating the notification and this feature. We hold this
// reference to keep the notification valid until we are done with it.
//
// An example of when the control runnable could get dispatched to the
// worker is if a Notification is created and the worker is immediately
// closed, but there is no permission to show it so that the main thread
// immediately drops the NotificationRef. In this case, this function
// blocks on the main thread, but the main thread dispatches the control
// runnable, invalidating mNotification.
// Dispatched to main thread, blocks on closing the Notification.
RefPtr<CloseNotificationRunnable> r =
new CloseNotificationRunnable(self);
ErrorResult rv;
r->Dispatch(Killing, rv);
// XXXbz I'm told throwing and returning false from here is pointless
// (and also that doing sync stuff from here is really weird), so I
// guess we just suppress the exception on rv, if any.
rv.SuppressException();
// Only call ReleaseObject() to match the observer's NotificationRef
// ownership (since CloseNotificationRunnable asked the observer to drop
// the reference to the notification).
if (r->HadObserver()) {
self->ReleaseObject();
}
// From this point we cannot touch properties of this feature because
// ReleaseObject() may have led to the notification going away and the
// notification owns this feature!
});
if (NS_WARN_IF(!mWorkerRef)) {
return false;
}
return true;
}
/*
* Checks:
* 1) Is aWorker allowed to show a notification for scope?
* 2) Is aWorker an active worker?
*
* If it is not an active worker, Result() will be NS_ERROR_NOT_AVAILABLE.
*/
class CheckLoadRunnable final : public WorkerMainThreadRunnable {
nsresult mRv;
nsCString mScope;
ServiceWorkerRegistrationDescriptor mDescriptor;
public:
explicit CheckLoadRunnable(
WorkerPrivate* aWorker, const nsACString& aScope,
const ServiceWorkerRegistrationDescriptor& aDescriptor)
: WorkerMainThreadRunnable(aWorker, "Notification :: Check Load"_ns),
mRv(NS_ERROR_DOM_SECURITY_ERR),
mScope(aScope),
mDescriptor(aDescriptor) {}
bool MainThreadRun() override {
nsIPrincipal* principal = mWorkerPrivate->GetPrincipal();
mRv = CheckScope(principal, mScope, mWorkerPrivate->WindowID());
if (NS_FAILED(mRv)) {
return true;
}
auto activeWorker = mDescriptor.GetActive();
if (!activeWorker ||
activeWorker.ref().Id() != mWorkerPrivate->ServiceWorkerID()) {
mRv = NS_ERROR_NOT_AVAILABLE;
}
return true;
}
nsresult Result() { return mRv; }
};
/* static */
already_AddRefed<Promise> Notification::ShowPersistentNotification(
JSContext* aCx, nsIGlobalObject* aGlobal, const nsAString& aScope,
const nsAString& aTitle, const NotificationOptions& aOptions,
const ServiceWorkerRegistrationDescriptor& aDescriptor, ErrorResult& aRv) {
MOZ_ASSERT(aGlobal);
// Validate scope.
// XXXnsm: This may be slow due to blocking the worker and waiting on the main
// thread. On calls from content, we can be sure the scope is valid since
// ServiceWorkerRegistrations have their scope set correctly. Can this be made
// debug only? The problem is that there would be different semantics in
// debug and non-debug builds in such a case.
if (NS_IsMainThread()) {
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aGlobal);
if (NS_WARN_IF(!sop)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsIPrincipal* principal = sop->GetPrincipal();
if (NS_WARN_IF(!principal)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
uint64_t windowID = 0;
nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal);
if (win) {
windowID = win->WindowID();
}
aRv = CheckScope(principal, NS_ConvertUTF16toUTF8(aScope), windowID);
if (NS_WARN_IF(aRv.Failed())) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return nullptr;
}
} else {
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
worker->AssertIsOnWorkerThread();
RefPtr<CheckLoadRunnable> loadChecker = new CheckLoadRunnable(
worker, NS_ConvertUTF16toUTF8(aScope), aDescriptor);
loadChecker->Dispatch(Canceling, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (NS_WARN_IF(NS_FAILED(loadChecker->Result()))) {
if (loadChecker->Result() == NS_ERROR_NOT_AVAILABLE) {
aRv.ThrowTypeError<MSG_NO_ACTIVE_WORKER>(NS_ConvertUTF16toUTF8(aScope));
} else {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
}
return nullptr;
}
}
RefPtr<Promise> p = Promise::Create(aGlobal, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
// We check permission here rather than pass the Promise to NotificationTask
// which leads to uglier code.
NotificationPermission permission = GetPermission(aGlobal, aRv);
// "If permission for notification's origin is not "granted", reject promise
// with a TypeError exception, and terminate these substeps."
if (NS_WARN_IF(aRv.Failed()) ||
permission == NotificationPermission::Denied) {
p->MaybeRejectWithTypeError("Permission to show Notification denied.");
return p.forget();
}
// "Otherwise, resolve promise with undefined."
// The Notification may still not be shown due to other errors, but the spec
// is not concerned with those.
p->MaybeResolveWithUndefined();
RefPtr<Notification> notification =
CreateAndShow(aCx, aGlobal, aTitle, aOptions, aScope, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return p.forget();
}
/* static */
already_AddRefed<Notification> Notification::CreateAndShow(
JSContext* aCx, nsIGlobalObject* aGlobal, const nsAString& aTitle,
const NotificationOptions& aOptions, const nsAString& aScope,
ErrorResult& aRv) {
MOZ_ASSERT(aGlobal);
RefPtr<Notification> notification =
CreateInternal(aGlobal, u""_ns, aTitle, aOptions, aRv);
if (aRv.Failed()) {
return nullptr;
}
// Make a structured clone of the aOptions.mData object
JS::Rooted<JS::Value> data(aCx, aOptions.mData);
notification->InitFromJSVal(aCx, data, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
notification->SetScope(aScope);
auto ref = MakeUnique<NotificationRef>(notification);
if (NS_WARN_IF(!ref->Initialized())) {
aRv.Throw(NS_ERROR_DOM_ABORT_ERR);
return nullptr;
}
// Queue a task to show the notification.
nsCOMPtr<nsIRunnable> showNotificationTask = new NotificationTask(
"Notification::CreateAndShow", std::move(ref), NotificationTask::eShow);
nsresult rv =
notification->DispatchToMainThread(showNotificationTask.forget());
if (NS_WARN_IF(NS_FAILED(rv))) {
notification->DispatchTrustedEvent(u"error"_ns);
}
return notification.forget();
}
/* static */
nsresult Notification::RemovePermission(nsIPrincipal* aPrincipal) {
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIPermissionManager> permissionManager =
mozilla::components::PermissionManager::Service();
if (!permissionManager) {
return NS_ERROR_FAILURE;
}
permissionManager->RemoveFromPrincipal(aPrincipal, "desktop-notification"_ns);
return NS_OK;
}
/* static */
nsresult Notification::OpenSettings(nsIPrincipal* aPrincipal) {
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (!obs) {
return NS_ERROR_FAILURE;
}
// Notify other observers so they can show settings UI.
obs->NotifyObservers(aPrincipal, "notifications-open-settings", nullptr);
return NS_OK;
}
NS_IMETHODIMP
Notification::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
if (!strcmp(aTopic, DOM_WINDOW_DESTROYED_TOPIC) ||
!strcmp(aTopic, DOM_WINDOW_FROZEN_TOPIC)) {
nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
if (SameCOMIdentity(aSubject, window)) {
nsCOMPtr<nsIObserverService> obs =
mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(this, DOM_WINDOW_DESTROYED_TOPIC);
obs->RemoveObserver(this, DOM_WINDOW_FROZEN_TOPIC);
}
CloseInternal();
}
}
return NS_OK;
}
nsresult Notification::DispatchToMainThread(
already_AddRefed<nsIRunnable>&& aRunnable) {
if (mWorkerPrivate) {
return mWorkerPrivate->DispatchToMainThread(std::move(aRunnable));
}
AssertIsOnMainThread();
if (nsCOMPtr<nsIGlobalObject> global = GetOwnerGlobal()) {
if (nsIEventTarget* target = global->EventTargetFor(TaskCategory::Other)) {
return target->Dispatch(std::move(aRunnable),
nsIEventTarget::DISPATCH_NORMAL);
}
}
nsCOMPtr<nsIEventTarget> mainTarget = GetMainThreadEventTarget();
MOZ_ASSERT(mainTarget);
return mainTarget->Dispatch(std::move(aRunnable),
nsIEventTarget::DISPATCH_NORMAL);
}
} // namespace mozilla::dom
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