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gecko/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 "mozilla/Move.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.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/NotificationEvent.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/PromiseWorkerProxy.h"
#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
#include "nsAlertsUtils.h"
#include "nsComponentManagerUtils.h"
#include "nsContentPermissionHelper.h"
#include "nsContentUtils.h"
#include "nsCRTGlue.h"
#include "nsDOMJSUtils.h"
#include "nsGlobalWindow.h"
#include "nsIAlertsService.h"
#include "nsIAppsService.h"
#include "nsIContentPermissionPrompt.h"
#include "nsIDocument.h"
#include "nsILoadContext.h"
#include "nsINotificationStorage.h"
#include "nsIPermissionManager.h"
#include "nsIPermission.h"
#include "nsIScriptSecurityManager.h"
#include "nsIServiceWorkerManager.h"
#include "nsISimpleEnumerator.h"
#include "nsIUUIDGenerator.h"
#include "nsIXPConnect.h"
#include "nsNetUtil.h"
#include "nsProxyRelease.h"
#include "nsServiceManagerUtils.h"
#include "nsStructuredCloneContainer.h"
#include "nsToolkitCompsCID.h"
#include "nsXULAppAPI.h"
#include "ServiceWorkerManager.h"
#include "WorkerPrivate.h"
#include "WorkerRunnable.h"
#include "WorkerScope.h"
#ifdef MOZ_B2G
#include "nsIDOMDesktopNotification.h"
#endif
#ifndef MOZ_SIMPLEPUSH
#include "nsIPushService.h"
#endif
namespace mozilla {
namespace dom {
using namespace workers;
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 mServiceWorkerRegistrationID;
};
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& aServiceWorkerRegistrationID,
JSContext* aCx) final
{
AssertIsOnMainThread();
MOZ_ASSERT(!aID.IsEmpty());
// Skip scopes that don't match when called from getNotifications().
if (!mScope.IsEmpty() && !mScope.Equals(aServiceWorkerRegistrationID)) {
return NS_OK;
}
NotificationStrings strings = {
nsString(aID),
nsString(aTitle),
nsString(aDir),
nsString(aLang),
nsString(aBody),
nsString(aTag),
nsString(aIcon),
nsString(aData),
nsString(aBehavior),
nsString(aServiceWorkerRegistrationID),
};
mStrings.AppendElement(Move(strings));
return NS_OK;
}
NS_IMETHOD Done(JSContext* aCx) override = 0;
protected:
virtual ~ScopeCheckingGetCallback()
{}
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(JSContext* aCx) final
{
AutoJSAPI jsapi;
DebugOnly<bool> ok = jsapi.Init(mWindow, aCx);
MOZ_ASSERT(ok);
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].mServiceWorkerRegistrationID,
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()
{}
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 nsRunnable
{
const nsString mOrigin;
const nsString mTag;
nsCOMPtr<nsINotificationStorageCallback> mCallback;
public:
NotificationGetRunnable(const nsAString& aOrigin,
const nsAString& aTag,
nsINotificationStorageCallback* aCallback)
: 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 nsIContentPermissionRequest,
public nsIRunnable
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSICONTENTPERMISSIONREQUEST
NS_DECL_NSIRUNNABLE
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(NotificationPermissionRequest,
nsIContentPermissionRequest)
NotificationPermissionRequest(nsIPrincipal* aPrincipal,
nsPIDOMWindowInner* aWindow, Promise* aPromise,
NotificationPermissionCallback* aCallback)
: mPrincipal(aPrincipal), mWindow(aWindow),
mPermission(NotificationPermission::Default),
mPromise(aPromise),
mCallback(aCallback)
{
MOZ_ASSERT(aPromise);
mRequester = new nsContentPermissionRequester(mWindow);
}
protected:
virtual ~NotificationPermissionRequest() {}
nsresult ResolvePromise();
nsresult DispatchResolvePromise();
nsCOMPtr<nsIPrincipal> mPrincipal;
nsCOMPtr<nsPIDOMWindowInner> mWindow;
NotificationPermission mPermission;
RefPtr<Promise> mPromise;
RefPtr<NotificationPermissionCallback> mCallback;
nsCOMPtr<nsIContentPermissionRequester> mRequester;
};
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)
, mPermission(NotificationPermission::Denied)
{ }
bool
MainThreadRun() override
{
ErrorResult result;
mPermission =
Notification::GetPermissionInternal(mWorkerPrivate->GetPrincipal(),
result);
return true;
}
NotificationPermission
GetPermission()
{
return mPermission;
}
};
class FocusWindowRunnable final : public nsRunnable
{
nsMainThreadPtrHandle<nsPIDOMWindowInner> mWindow;
public:
explicit FocusWindowRunnable(const nsMainThreadPtrHandle<nsPIDOMWindowInner>& aWindow)
: mWindow(aWindow)
{ }
NS_IMETHOD
Run()
{
AssertIsOnMainThread();
if (!mWindow->IsCurrentInnerWindow()) {
// Window has been closed, this observer is not valid anymore
return NS_OK;
}
nsIDocument* doc = mWindow->GetExtantDoc();
if (doc) {
// Browser UI may use DOMWebNotificationClicked to focus the tab
// from which the event was dispatched.
nsContentUtils::DispatchChromeEvent(doc, mWindow->GetOuterWindow(),
NS_LITERAL_STRING("DOMWebNotificationClicked"),
true, true);
}
return NS_OK;
}
};
nsresult
CheckScope(nsIPrincipal* aPrincipal, const nsACString& aScope)
{
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return aPrincipal->CheckMayLoad(scopeURI, /* report = */ true,
/* allowIfInheritsPrincipal = */ false);
}
} // anonymous namespace
// Subclass that can be directly dispatched to child workers from the main
// thread.
class NotificationWorkerRunnable : public WorkerRunnable
{
protected:
explicit NotificationWorkerRunnable(WorkerPrivate* aWorkerPrivate)
: WorkerRunnable(aWorkerPrivate, WorkerThreadUnchangedBusyCount)
{
}
bool
PreDispatch(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
return true;
}
void
PostDispatch(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
bool aDispatchResult) override
{
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
aWorkerPrivate->AssertIsOnWorkerThread();
aWorkerPrivate->ModifyBusyCountFromWorker(aCx, true);
WorkerRunInternal(aCx, aWorkerPrivate);
return true;
}
void
PostRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
bool aRunResult) override
{
aWorkerPrivate->ModifyBusyCountFromWorker(aCx, false);
}
virtual void
WorkerRunInternal(JSContext* aCx, 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(JSContext* aCx, 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(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
mNotification->ReleaseObject();
}
};
// 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 AddFeature() 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);
AutoJSAPI jsapi;
jsapi.Init();
if (!r->Dispatch(jsapi.cx())) {
RefPtr<ReleaseNotificationControlRunnable> r =
new ReleaseNotificationControlRunnable(notification);
MOZ_ALWAYS_TRUE(r->Dispatch(jsapi.cx()));
}
} 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 nsRunnable
{
public:
enum NotificationAction {
eShow,
eClose
};
NotificationTask(UniquePtr<NotificationRef> aRef, NotificationAction aAction)
: mNotificationRef(Move(aRef)), mAction(aAction)
{}
NS_IMETHOD
Run() override;
protected:
virtual ~NotificationTask() {}
UniquePtr<NotificationRef> mNotificationRef;
NotificationAction mAction;
};
uint32_t Notification::sCount = 0;
NS_IMPL_CYCLE_COLLECTION(NotificationPermissionRequest, mWindow, mPromise)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(NotificationPermissionRequest)
NS_INTERFACE_MAP_ENTRY(nsIContentPermissionRequest)
NS_INTERFACE_MAP_ENTRY(nsIRunnable)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentPermissionRequest)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(NotificationPermissionRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(NotificationPermissionRequest)
NS_IMETHODIMP
NotificationPermissionRequest::Run()
{
if (nsContentUtils::IsSystemPrincipal(mPrincipal)) {
mPermission = NotificationPermission::Granted;
} else {
// File are automatically granted permission.
nsCOMPtr<nsIURI> uri;
mPrincipal->GetURI(getter_AddRefs(uri));
if (uri) {
bool isFile;
uri->SchemeIs("file", &isFile);
if (isFile) {
mPermission = NotificationPermission::Granted;
}
}
}
// Grant permission if pref'ed on.
if (Preferences::GetBool("notification.prompt.testing", false)) {
if (Preferences::GetBool("notification.prompt.testing.allow", true)) {
mPermission = NotificationPermission::Granted;
} else {
mPermission = NotificationPermission::Denied;
}
}
if (mPermission != NotificationPermission::Default) {
return DispatchResolvePromise();
}
return nsContentPermissionUtils::AskPermission(this, mWindow);
}
NS_IMETHODIMP
NotificationPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
{
NS_ADDREF(*aRequestingPrincipal = mPrincipal);
return NS_OK;
}
NS_IMETHODIMP
NotificationPermissionRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
{
NS_ADDREF(*aRequestingWindow = mWindow);
return NS_OK;
}
NS_IMETHODIMP
NotificationPermissionRequest::GetElement(nsIDOMElement** aElement)
{
NS_ENSURE_ARG_POINTER(aElement);
*aElement = nullptr;
return NS_OK;
}
NS_IMETHODIMP
NotificationPermissionRequest::Cancel()
{
mPermission = NotificationPermission::Denied;
return DispatchResolvePromise();
}
NS_IMETHODIMP
NotificationPermissionRequest::Allow(JS::HandleValue aChoices)
{
MOZ_ASSERT(aChoices.isUndefined());
mPermission = NotificationPermission::Granted;
return DispatchResolvePromise();
}
NS_IMETHODIMP
NotificationPermissionRequest::GetRequester(nsIContentPermissionRequester** aRequester)
{
NS_ENSURE_ARG_POINTER(aRequester);
nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
requester.forget(aRequester);
return NS_OK;
}
inline nsresult
NotificationPermissionRequest::DispatchResolvePromise()
{
nsCOMPtr<nsIRunnable> resolveRunnable = NS_NewRunnableMethod(this,
&NotificationPermissionRequest::ResolvePromise);
return NS_DispatchToMainThread(resolveRunnable);
}
nsresult
NotificationPermissionRequest::ResolvePromise()
{
nsresult rv = NS_OK;
if (mCallback) {
ErrorResult error;
mCallback->Call(mPermission, error);
rv = error.StealNSResult();
}
Telemetry::Accumulate(
Telemetry::WEB_NOTIFICATION_REQUEST_PERMISSION_CALLBACK, !!mCallback);
mPromise->MaybeResolve(mPermission);
return rv;
}
NS_IMETHODIMP
NotificationPermissionRequest::GetTypes(nsIArray** aTypes)
{
nsTArray<nsString> emptyOptions;
return nsContentPermissionUtils::CreatePermissionArray(NS_LITERAL_CSTRING("desktop-notification"),
NS_LITERAL_CSTRING("unused"),
emptyOptions,
aTypes);
}
NS_IMPL_ISUPPORTS(NotificationTelemetryService, nsIObserver)
NotificationTelemetryService::NotificationTelemetryService()
: mDNDRecorded(false)
{}
NotificationTelemetryService::~NotificationTelemetryService()
{
Unused << NS_WARN_IF(NS_FAILED(RemovePermissionChangeObserver()));
}
/* static */ already_AddRefed<NotificationTelemetryService>
NotificationTelemetryService::GetInstance()
{
nsCOMPtr<nsISupports> telemetrySupports =
do_GetService(NOTIFICATIONTELEMETRYSERVICE_CONTRACTID);
if (!telemetrySupports) {
return nullptr;
}
RefPtr<NotificationTelemetryService> telemetry =
static_cast<NotificationTelemetryService*>(telemetrySupports.get());
return telemetry.forget();
}
nsresult
NotificationTelemetryService::Init()
{
nsresult rv = AddPermissionChangeObserver();
NS_ENSURE_SUCCESS(rv, rv);
RecordPermissions();
return NS_OK;
}
nsresult
NotificationTelemetryService::RemovePermissionChangeObserver()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (!obs) {
return NS_ERROR_OUT_OF_MEMORY;
}
return obs->RemoveObserver(this, "perm-changed");
}
nsresult
NotificationTelemetryService::AddPermissionChangeObserver()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (!obs) {
return NS_ERROR_OUT_OF_MEMORY;
}
return obs->AddObserver(this, "perm-changed", false);
}
void
NotificationTelemetryService::RecordPermissions()
{
if (!Telemetry::CanRecordBase() || !Telemetry::CanRecordExtended()) {
return;
}
nsCOMPtr<nsIPermissionManager> permissionManager =
services::GetPermissionManager();
if (!permissionManager) {
return;
}
nsCOMPtr<nsISimpleEnumerator> enumerator;
nsresult rv = permissionManager->GetEnumerator(getter_AddRefs(enumerator));
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
for (;;) {
bool hasMoreElements;
nsresult rv = enumerator->HasMoreElements(&hasMoreElements);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
if (!hasMoreElements) {
break;
}
nsCOMPtr<nsISupports> supportsPermission;
rv = enumerator->GetNext(getter_AddRefs(supportsPermission));
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
uint32_t capability;
if (!GetNotificationPermission(supportsPermission, &capability)) {
continue;
}
if (capability == nsIPermissionManager::DENY_ACTION) {
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_PERMISSIONS, 0);
} else if (capability == nsIPermissionManager::ALLOW_ACTION) {
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_PERMISSIONS, 1);
}
}
}
bool
NotificationTelemetryService::GetNotificationPermission(nsISupports* aSupports,
uint32_t* aCapability)
{
nsCOMPtr<nsIPermission> permission = do_QueryInterface(aSupports);
if (!permission) {
return false;
}
nsAutoCString type;
permission->GetType(type);
if (!type.Equals("desktop-notification")) {
return false;
}
permission->GetCapability(aCapability);
return true;
}
void
NotificationTelemetryService::RecordDNDSupported()
{
if (mDNDRecorded) {
return;
}
nsCOMPtr<nsIAlertsService> alertService =
do_GetService(NS_ALERTSERVICE_CONTRACTID);
if (!alertService) {
return;
}
nsCOMPtr<nsIAlertsDoNotDisturb> alertServiceDND =
do_QueryInterface(alertService);
if (!alertServiceDND) {
return;
}
mDNDRecorded = true;
bool isEnabled;
nsresult rv = alertServiceDND->GetManualDoNotDisturb(&isEnabled);
if (NS_FAILED(rv)) {
return;
}
Telemetry::Accumulate(
Telemetry::ALERTS_SERVICE_DND_SUPPORTED_FLAG, true);
}
nsresult
NotificationTelemetryService::RecordSender(nsIPrincipal* aPrincipal)
{
if (!Telemetry::CanRecordBase() || !Telemetry::CanRecordExtended() ||
!nsAlertsUtils::IsActionablePrincipal(aPrincipal)) {
return NS_OK;
}
nsAutoString origin;
nsresult rv = Notification::GetOrigin(aPrincipal, origin);
if (NS_FAILED(rv)) {
return rv;
}
if (!mOrigins.Contains(origin)) {
mOrigins.PutEntry(origin);
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_SENDERS, 1);
}
return NS_OK;
}
NS_IMETHODIMP
NotificationTelemetryService::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
uint32_t capability;
if (strcmp("perm-changed", aTopic) ||
!NS_strcmp(MOZ_UTF16("cleared"), aData) ||
!GetNotificationPermission(aSubject, &capability)) {
return NS_OK;
}
if (!NS_strcmp(MOZ_UTF16("deleted"), aData)) {
if (capability == nsIPermissionManager::DENY_ACTION) {
Telemetry::Accumulate(
Telemetry::WEB_NOTIFICATION_PERMISSION_REMOVED, 0);
} else if (capability == nsIPermissionManager::ALLOW_ACTION) {
Telemetry::Accumulate(
Telemetry::WEB_NOTIFICATION_PERMISSION_REMOVED, 1);
}
}
return NS_OK;
}
// 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(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()) {
return Preferences::GetBool("dom.webnotifications.enabled", false);
}
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
if (!workerPrivate) {
return false;
}
if (workerPrivate->IsServiceWorker()) {
return workerPrivate->DOMServiceWorkerNotificationEnabled();
}
return workerPrivate->DOMWorkerNotificationEnabled();
}
// 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,
const NotificationBehavior& aBehavior)
: DOMEventTargetHelper(),
mWorkerPrivate(nullptr), mObserver(nullptr),
mID(aID), mTitle(aTitle), mBody(aBody), mDir(aDir), mLang(aLang),
mTag(aTag), mIconUrl(aIconUrl), mBehavior(aBehavior), mData(JS::NullValue()),
mIsClosed(false), mIsStored(false), mTaskCount(0)
{
if (NS_IsMainThread()) {
// We can only call this on the main thread because
// Event::SetEventType() called down the call chain when dispatching events
// using DOMEventTargetHelper::DispatchTrustedEvent() will assume the event
// is a main thread event if it has a valid owner. It will then attempt to
// fetch the atom for the event name which asserts main thread only.
BindToOwner(aGlobal);
} else {
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.
ServiceWorkerGlobalScope* scope = nullptr;
UNWRAP_WORKER_OBJECT(ServiceWorkerGlobalScope, aGlobal.Get(), scope);
if (scope) {
aRv.ThrowTypeError<MSG_NOTIFICATION_NO_CONSTRUCTOR_IN_SERVICEWORKER>();
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<Notification> notification =
CreateAndShow(global, aTitle, aOptions, EmptyString(), 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& aServiceWorkerRegistrationID,
ErrorResult& aRv)
{
MOZ_ASSERT(aGlobal);
AutoJSAPI jsapi;
DebugOnly<bool> ok = jsapi.Init(aGlobal);
MOZ_ASSERT(ok);
RootedDictionary<NotificationOptions> options(jsapi.cx());
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);
notification->InitFromBase64(jsapi.cx(), aData, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
notification->SetScope(aServiceWorkerRegistrationID);
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)
{
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;
}
RefPtr<Notification> notification = new Notification(aGlobal, id, aTitle,
aOptions.mBody,
aOptions.mDir,
aOptions.mLang,
aOptions.mTag,
aOptions.mIcon,
aOptions.mMozbehavior);
rv = notification->Init();
NS_ENSURE_SUCCESS(rv, nullptr);
return notification.forget();
}
Notification::~Notification()
{
mData.setUndefined();
mozilla::DropJSObjects(this);
AssertIsOnTargetThread();
MOZ_ASSERT(!mFeature);
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_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_JSVAL_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_INHERITED(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_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
explicit WorkerNotificationObserver(UniquePtr<NotificationRef> aRef)
: MainThreadNotificationObserver(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;
}
}
};
NS_IMPL_ISUPPORTS_INHERITED0(WorkerNotificationObserver, MainThreadNotificationObserver)
class ServiceWorkerNotificationObserver final : public nsIObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
ServiceWorkerNotificationObserver(const nsAString& aScope,
nsIPrincipal* aPrincipal,
const nsAString& aID)
: mScope(aScope), mID(aID), mPrincipal(aPrincipal)
{
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
}
private:
~ServiceWorkerNotificationObserver()
{}
const nsString mScope;
const nsString mID;
nsCOMPtr<nsIPrincipal> mPrincipal;
};
NS_IMPL_ISUPPORTS(ServiceWorkerNotificationObserver, nsIObserver)
// For ServiceWorkers.
bool
Notification::DispatchNotificationClickEvent()
{
MOZ_ASSERT(mWorkerPrivate);
MOZ_ASSERT(mWorkerPrivate->IsServiceWorker());
mWorkerPrivate->AssertIsOnWorkerThread();
NotificationEventInit options;
options.mNotification = this;
ErrorResult result;
RefPtr<EventTarget> target = mWorkerPrivate->GlobalScope();
RefPtr<NotificationEvent> event =
NotificationEvent::Constructor(target,
NS_LITERAL_STRING("notificationclick"),
options,
result);
if (NS_WARN_IF(result.Failed())) {
return false;
}
event->SetTrusted(true);
WantsPopupControlCheck popupControlCheck(event);
target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
// We always return false since in case of dispatching on the serviceworker,
// there is no well defined window to focus. The script may use the
// Client.focus() API if it wishes.
return false;
}
bool
Notification::DispatchClickEvent()
{
AssertIsOnTargetThread();
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
event->InitEvent(NS_LITERAL_STRING("click"), false, true);
event->SetTrusted(true);
WantsPopupControlCheck popupControlCheck(event);
bool doDefaultAction = true;
DispatchEvent(event, &doDefaultAction);
return doDefaultAction;
}
// 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(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
bool doDefaultAction = mNotification->DispatchClickEvent();
MOZ_ASSERT_IF(mWorkerPrivate->IsServiceWorker(), !doDefaultAction);
if (doDefaultAction) {
RefPtr<FocusWindowRunnable> r = new FocusWindowRunnable(mWindow);
NS_DispatchToMainThread(r);
}
}
};
NS_IMETHODIMP
NotificationObserver::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData)
{
AssertIsOnMainThread();
if (!strcmp("alertdisablecallback", aTopic)) {
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_MENU, 1);
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("alertclickcallback", aTopic)) {
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_CLICKED, 1);
} else if (!strcmp("alertsettingscallback", aTopic)) {
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_MENU, 2);
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)) {
RefPtr<NotificationTelemetryService> telemetry =
NotificationTelemetryService::GetInstance();
if (telemetry) {
// Record whether "do not disturb" is supported after the first
// notification, to account for falling back to XUL alerts.
telemetry->RecordDNDSupported();
if (!mInPrivateBrowsing) {
// Ignore senders in private windows.
Unused << NS_WARN_IF(NS_FAILED(telemetry->RecordSender(mPrincipal)));
}
}
Unused << NS_WARN_IF(NS_FAILED(AdjustPushQuota(aTopic)));
if (!strcmp("alertshow", aTopic)) {
// Record notifications actually shown (e.g. don't count if DND is on).
Telemetry::Accumulate(Telemetry::WEB_NOTIFICATION_SHOWN, 1);
}
}
return mObserver->Observe(aSubject, aTopic, aData);
}
nsresult
NotificationObserver::AdjustPushQuota(const char* aTopic)
{
#ifdef MOZ_SIMPLEPUSH
return NS_ERROR_NOT_IMPLEMENTED;
#else
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());
#endif
}
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) {
nsIDocument* doc = window ? window->GetExtantDoc() : nullptr;
if (doc) {
// Browser UI may use DOMWebNotificationClicked to focus the tab
// from which the event was dispatched.
nsContentUtils::DispatchChromeEvent(doc, window->GetOuterWindow(),
NS_LITERAL_STRING("DOMWebNotificationClicked"),
true, true);
}
}
} else if (!strcmp("alertfinished", aTopic)) {
// In b2g-desktop, if the app is closed, closing a notification still
// triggers the observer which might be alive even though the owner window
// was closed. Keeping this until we remove the close event (Bug 1139363)
// from implementation.
nsCOMPtr<nsPIDOMWindowInner> window = notification->GetOwner();
if (NS_WARN_IF(!window || !window->IsCurrentInnerWindow())) {
return NS_ERROR_FAILURE;
}
notification->UnpersistNotification();
notification->mIsClosed = true;
notification->DispatchTrustedEvent(NS_LITERAL_STRING("close"));
} else if (!strcmp("alertshow", aTopic)) {
notification->DispatchTrustedEvent(NS_LITERAL_STRING("show"));
}
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>(window));
r = new NotificationClickWorkerRunnable(notification, windowHandle);
} else if (!strcmp("alertfinished", aTopic)) {
notification->UnpersistNotification();
notification->mIsClosed = true;
r = new NotificationEventWorkerRunnable(notification,
NS_LITERAL_STRING("close"));
} else if (!strcmp("alertshow", aTopic)) {
r = new NotificationEventWorkerRunnable(notification,
NS_LITERAL_STRING("show"));
}
MOZ_ASSERT(r);
AutoSafeJSContext cx;
if (!r->Dispatch(cx)) {
NS_WARNING("Could not dispatch event to worker notification");
}
return NS_OK;
}
class NotificationClickEventCallback final : public nsINotificationStorageCallback
{
public:
NS_DECL_ISUPPORTS
NotificationClickEventCallback(nsIPrincipal* aPrincipal,
const nsAString& aScope)
: mPrincipal(aPrincipal), mScope(aScope)
{
MOZ_ASSERT(aPrincipal);
}
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& aServiceWorkerRegistrationID,
JSContext* aCx) override
{
MOZ_ASSERT(!aID.IsEmpty());
MOZ_ASSERT(mScope.Equals(aServiceWorkerRegistrationID));
AssertIsOnMainThread();
nsAutoCString originSuffix;
nsresult rv = mPrincipal->GetOriginSuffix(originSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsIServiceWorkerManager> swm =
mozilla::services::GetServiceWorkerManager();
if (swm) {
swm->SendNotificationClickEvent(originSuffix,
NS_ConvertUTF16toUTF8(mScope),
aID,
aTitle,
aDir,
aLang,
aBody,
aTag,
aIcon,
aData,
aBehavior);
}
return NS_OK;
}
NS_IMETHOD Done(JSContext* aCx) override
{
return NS_OK;
}
private:
~NotificationClickEventCallback()
{
}
nsCOMPtr<nsIPrincipal> mPrincipal;
nsString mScope;
};
NS_IMPL_ISUPPORTS(NotificationClickEventCallback, nsINotificationStorageCallback)
NS_IMETHODIMP
ServiceWorkerNotificationObserver::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
AssertIsOnMainThread();
// Persistent notifications only care about the click event.
if (!strcmp("alertclickcallback", aTopic)) {
nsresult rv;
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsINotificationStorageCallback> callback =
new NotificationClickEventCallback(mPrincipal, mScope);
nsAutoString origin;
rv = Notification::GetOrigin(mPrincipal, origin);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = notificationStorage->GetByID(origin, mID, callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
return NS_OK;
}
bool
Notification::IsInPrivateBrowsing()
{
nsIDocument* doc = mWorkerPrivate ? mWorkerPrivate->GetDocument()
: 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;
}
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;
mozilla::Swap(ownership, mTempRef);
MOZ_ASSERT(ownership->GetNotification() == this);
nsresult rv = PersistNotification();
if (NS_FAILED(rv)) {
NS_WARNING("Could not persist Notification");
}
nsCOMPtr<nsIAlertsService> alertService =
do_GetService(NS_ALERTSERVICE_CONTRACTID);
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,
NS_LITERAL_STRING("error"));
AutoSafeJSContext cx;
if (!r->Dispatch(cx)) {
NS_WARNING("Could not dispatch event to worker notification");
}
} else {
DispatchTrustedEvent(NS_LITERAL_STRING("error"));
}
return;
}
nsAutoString iconUrl;
nsAutoString soundUrl;
ResolveIconAndSoundURL(iconUrl, soundUrl);
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(Move(ownership));
observer = mObserver;
} else {
observer = new MainThreadNotificationObserver(Move(ownership));
}
} else {
// 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.
observer = new ServiceWorkerNotificationObserver(mScope, GetPrincipal(), mID);
}
MOZ_ASSERT(observer);
nsCOMPtr<nsIObserver> alertObserver = new NotificationObserver(observer,
GetPrincipal(),
IsInPrivateBrowsing());
#ifdef MOZ_B2G
nsCOMPtr<nsIAppNotificationService> appNotifier =
do_GetService("@mozilla.org/system-alerts-service;1");
if (appNotifier) {
uint32_t appId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
if (mWorkerPrivate) {
appId = mWorkerPrivate->GetPrincipal()->GetAppId();
} else {
nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
appId = (window.get())->GetDoc()->NodePrincipal()->GetAppId();
}
if (appId != nsIScriptSecurityManager::UNKNOWN_APP_ID) {
nsCOMPtr<nsIAppsService> appsService = do_GetService("@mozilla.org/AppsService;1");
nsString manifestUrl = EmptyString();
nsresult rv = appsService->GetManifestURLByLocalId(appId, manifestUrl);
if (NS_SUCCEEDED(rv)) {
mozilla::AutoSafeJSContext cx;
JS::Rooted<JS::Value> val(cx);
AppNotificationServiceOptions ops;
ops.mTextClickable = true;
ops.mManifestURL = manifestUrl;
GetAlertName(ops.mId);
ops.mDbId = mID;
ops.mDir = DirectionToString(mDir);
ops.mLang = mLang;
ops.mTag = mTag;
ops.mData = mDataAsBase64;
ops.mMozbehavior = mBehavior;
ops.mMozbehavior.mSoundFile = soundUrl;
if (!ToJSValue(cx, ops, &val)) {
NS_WARNING("Converting dict to object failed!");
return;
}
appNotifier->ShowAppNotification(iconUrl, mTitle, mBody,
alertObserver, val);
return;
}
}
}
#endif
// 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 = NS_LITERAL_STRING("notification:");
uniqueCookie.AppendInt(sCount++);
bool inPrivateBrowsing = IsInPrivateBrowsing();
nsAutoString alertName;
GetAlertName(alertName);
nsCOMPtr<nsIAlertNotification> alert =
do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
NS_ENSURE_TRUE_VOID(alert);
rv = alert->Init(alertName, iconUrl, mTitle, mBody,
true,
uniqueCookie,
DirectionToString(mDir),
mLang,
mDataAsBase64,
GetPrincipal(),
inPrivateBrowsing);
NS_ENSURE_SUCCESS_VOID(rv);
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();
}
already_AddRefed<Promise>
Notification::RequestPermission(const GlobalObject& aGlobal,
const Optional<OwningNonNull<NotificationPermissionCallback> >& aCallback,
ErrorResult& aRv)
{
// 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) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(window);
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
NotificationPermissionCallback* permissionCallback = nullptr;
if (aCallback.WasPassed()) {
permissionCallback = &aCallback.Value();
}
nsCOMPtr<nsIRunnable> request =
new NotificationPermissionRequest(principal, window, promise, permissionCallback);
NS_DispatchToMainThread(request);
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(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 (nsContentUtils::IsSystemPrincipal(aPrincipal)) {
return NotificationPermission::Granted;
} else {
// Allow files to show notifications by default.
nsCOMPtr<nsIURI> uri;
aPrincipal->GetURI(getter_AddRefs(uri));
if (uri) {
bool isFile;
uri->SchemeIs("file", &isFile);
if (isFile) {
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;
}
}
uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
nsCOMPtr<nsIPermissionManager> permissionManager =
services::GetPermissionManager();
permissionManager->TestExactPermissionFromPrincipal(aPrincipal,
"desktop-notification",
&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;
nsCOMPtr<nsIURI> baseUri;
// 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.
const char* charset = "UTF-8";
if (mWorkerPrivate) {
baseUri = mWorkerPrivate->GetBaseURI();
} else {
nsIDocument* doc = GetOwner()->GetExtantDoc();
if (doc) {
baseUri = doc->GetBaseURI();
charset = doc->GetDocumentCharacterSet().get();
} 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, charset, baseUri);
if (NS_SUCCEEDED(rv)) {
nsAutoCString src;
srcUri->GetSpec(src);
iconUrl = NS_ConvertUTF8toUTF16(src);
}
}
if (mBehavior.mSoundFile.Length() > 0) {
nsCOMPtr<nsIURI> srcUri;
rv = NS_NewURI(getter_AddRefs(srcUri), mBehavior.mSoundFile, charset, baseUri);
if (NS_SUCCEEDED(rv)) {
nsAutoCString src;
srcUri->GetSpec(src);
soundUrl = NS_ConvertUTF8toUTF16(src);
}
}
}
return rv;
}
already_AddRefed<Promise>
Notification::Get(nsPIDOMWindowInner* aWindow,
const GetNotificationOptions& aFilter,
const nsAString& aScope,
ErrorResult& aRv)
{
MOZ_ASSERT(aWindow);
nsCOMPtr<nsIDocument> doc = aWindow->GetExtantDoc();
if (!doc) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsString origin;
aRv = GetOrigin(doc->NodePrincipal(), origin);
if (aRv.Failed()) {
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aWindow);
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
nsCOMPtr<nsINotificationStorageCallback> callback =
new NotificationStorageCallback(global, aScope, promise);
RefPtr<NotificationGetRunnable> r =
new NotificationGetRunnable(origin, aFilter.mTag, callback);
aRv = NS_DispatchToMainThread(r);
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, EmptyString(), aRv);
}
class WorkerGetResultRunnable final : public NotificationWorkerRunnable
{
RefPtr<PromiseWorkerProxy> mPromiseProxy;
const nsTArray<NotificationStrings> mStrings;
public:
WorkerGetResultRunnable(WorkerPrivate* aWorkerPrivate,
PromiseWorkerProxy* aPromiseProxy,
const nsTArray<NotificationStrings>&& aStrings)
: NotificationWorkerRunnable(aWorkerPrivate)
, mPromiseProxy(aPromiseProxy)
, mStrings(Move(aStrings))
{
}
void
WorkerRunInternal(JSContext* aCx, 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].mServiceWorkerRegistrationID,
result);
n->SetStoredState(true);
Unused << NS_WARN_IF(result.Failed());
if (!result.Failed()) {
notifications.AppendElement(n.forget());
}
}
workerPromise->MaybeResolve(notifications);
mPromiseProxy->CleanUp(aCx);
}
};
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(JSContext* aCx) final
{
AssertIsOnMainThread();
MOZ_ASSERT(mPromiseProxy, "Was Done() called twice?");
RefPtr<PromiseWorkerProxy> proxy = mPromiseProxy.forget();
MutexAutoLock lock(proxy->Lock());
if (proxy->CleanedUp()) {
return NS_OK;
}
RefPtr<WorkerGetResultRunnable> r =
new WorkerGetResultRunnable(proxy->GetWorkerPrivate(),
proxy,
Move(mStrings));
r->Dispatch(aCx);
return NS_OK;
}
private:
~WorkerGetCallback()
{}
};
NS_IMPL_ISUPPORTS(WorkerGetCallback, nsINotificationStorageCallback)
class WorkerGetRunnable final : public nsRunnable
{
RefPtr<PromiseWorkerProxy> mPromiseProxy;
const nsString mTag;
const nsString mScope;
public:
WorkerGetRunnable(PromiseWorkerProxy* aProxy,
const nsAString& aTag,
const nsAString& aScope)
: mPromiseProxy(aProxy), mTag(aTag), mScope(aScope)
{
MOZ_ASSERT(mPromiseProxy);
}
NS_IMETHOD
Run() override
{
AssertIsOnMainThread();
nsCOMPtr<nsINotificationStorageCallback> callback =
new WorkerGetCallback(mPromiseProxy, mScope);
AutoJSAPI jsapi;
jsapi.Init();
nsresult rv;
nsCOMPtr<nsINotificationStorage> notificationStorage =
do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
callback->Done(jsapi.cx());
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(jsapi.cx());
return rv;
}
rv = notificationStorage->Get(origin, mTag, callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
callback->Done(jsapi.cx());
return rv;
}
return NS_OK;
}
private:
~WorkerGetRunnable()
{}
};
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_TRUE(NS_SUCCEEDED(NS_DispatchToMainThread(r)));
return p.forget();
}
JSObject*
Notification::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return mozilla::dom::NotificationBinding::Wrap(aCx, this, aGivenProto);
}
void
Notification::Close()
{
AssertIsOnTargetThread();
auto ref = MakeUnique<NotificationRef>(this);
if (!ref->Initialized()) {
return;
}
nsCOMPtr<nsIRunnable> closeNotificationTask =
new NotificationTask(Move(ref), NotificationTask::eClose);
nsresult rv = NS_DispatchToMainThread(closeNotificationTask);
if (NS_FAILED(rv)) {
DispatchTrustedEvent(NS_LITERAL_STRING("error"));
// 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;
mozilla::Swap(ownership, mTempRef);
SetAlertName();
UnpersistNotification();
if (!mIsClosed) {
nsCOMPtr<nsIAlertsService> alertService =
do_GetService(NS_ALERTSERVICE_CONTRACTID);
if (alertService) {
nsAutoString alertName;
GetAlertName(alertName);
alertService->CloseAlert(alertName, GetPrincipal());
}
}
}
nsresult
Notification::GetOrigin(nsIPrincipal* aPrincipal, nsString& aOrigin)
{
if (!aPrincipal) {
return NS_ERROR_FAILURE;
}
uint16_t appStatus = aPrincipal->GetAppStatus();
uint32_t appId = aPrincipal->GetAppId();
nsresult rv;
if (appStatus == nsIPrincipal::APP_STATUS_NOT_INSTALLED ||
appId == nsIScriptSecurityManager::NO_APP_ID ||
appId == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
rv = nsContentUtils::GetUTFOrigin(aPrincipal, aOrigin);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// If we are in "app code", use manifest URL as unique origin since
// multiple apps can share the same origin but not same notifications.
nsCOMPtr<nsIAppsService> appsService =
do_GetService("@mozilla.org/AppsService;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
appsService->GetManifestURLByLocalId(appId, aOrigin);
}
return NS_OK;
}
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,
aCx);
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;
}
JS::ExposeValueToActiveJS(mData);
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;
}
dataObjectContainer->GetDataAsBase64(mDataAsBase64);
}
void Notification::InitFromBase64(JSContext* aCx, 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,
aCx);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
container->GetDataAsBase64(mDataAsBase64);
}
bool
Notification::AddRefObject()
{
AssertIsOnTargetThread();
MOZ_ASSERT_IF(mWorkerPrivate && !mFeature, mTaskCount == 0);
MOZ_ASSERT_IF(mWorkerPrivate && mFeature, mTaskCount > 0);
if (mWorkerPrivate && !mFeature) {
if (!RegisterFeature()) {
return false;
}
}
AddRef();
++mTaskCount;
return true;
}
void
Notification::ReleaseObject()
{
AssertIsOnTargetThread();
MOZ_ASSERT(mTaskCount > 0);
MOZ_ASSERT_IF(mWorkerPrivate, mFeature);
--mTaskCount;
if (mWorkerPrivate && mTaskCount == 0) {
UnregisterFeature();
}
Release();
}
NotificationFeature::NotificationFeature(Notification* aNotification)
: mNotification(aNotification)
{
MOZ_ASSERT(mNotification->mWorkerPrivate);
mNotification->mWorkerPrivate->AssertIsOnWorkerThread();
}
/*
* 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)
, 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
NotificationFeature::Notify(JSContext* aCx, Status aStatus)
{
if (aStatus >= Canceling) {
// 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.
RefPtr<Notification> kungFuDeathGrip = mNotification;
// Dispatched to main thread, blocks on closing the Notification.
RefPtr<CloseNotificationRunnable> r =
new CloseNotificationRunnable(mNotification);
ErrorResult rv;
r->Dispatch(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()) {
mNotification->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!
}
return true;
}
bool
Notification::RegisterFeature()
{
MOZ_ASSERT(mWorkerPrivate);
mWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(!mFeature);
mFeature = MakeUnique<NotificationFeature>(this);
bool added = mWorkerPrivate->AddFeature(mWorkerPrivate->GetJSContext(),
mFeature.get());
if (!added) {
mFeature = nullptr;
}
return added;
}
void
Notification::UnregisterFeature()
{
MOZ_ASSERT(mWorkerPrivate);
mWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(mFeature);
mWorkerPrivate->RemoveFeature(mWorkerPrivate->GetJSContext(),
mFeature.get());
mFeature = nullptr;
}
/*
* 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;
public:
explicit CheckLoadRunnable(WorkerPrivate* aWorker, const nsACString& aScope)
: WorkerMainThreadRunnable(aWorker)
, mRv(NS_ERROR_DOM_SECURITY_ERR)
, mScope(aScope)
{ }
bool
MainThreadRun() override
{
nsIPrincipal* principal = mWorkerPrivate->GetPrincipal();
mRv = CheckScope(principal, mScope);
if (NS_FAILED(mRv)) {
return true;
}
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
RefPtr<ServiceWorkerRegistrationInfo> registration =
swm->GetRegistration(principal, mScope);
// This is coming from a ServiceWorkerRegistrationWorkerThread.
MOZ_ASSERT(registration);
if (!registration->mActiveWorker ||
registration->mActiveWorker->ID() != mWorkerPrivate->ServiceWorkerID()) {
mRv = NS_ERROR_NOT_AVAILABLE;
}
return true;
}
nsresult
Result()
{
return mRv;
}
};
/* static */
already_AddRefed<Promise>
Notification::ShowPersistentNotification(nsIGlobalObject *aGlobal,
const nsAString& aScope,
const nsAString& aTitle,
const NotificationOptions& aOptions,
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;
}
aRv = CheckScope(principal, NS_ConvertUTF16toUTF8(aScope));
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));
loadChecker->Dispatch(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>(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) {
ErrorResult result;
result.ThrowTypeError<MSG_NOTIFICATION_PERMISSION_DENIED>();
p->MaybeReject(result);
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->MaybeResolve(JS::UndefinedHandleValue);
RefPtr<Notification> notification =
CreateAndShow(aGlobal, aTitle, aOptions, aScope, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return p.forget();
}
/* static */ already_AddRefed<Notification>
Notification::CreateAndShow(nsIGlobalObject* aGlobal,
const nsAString& aTitle,
const NotificationOptions& aOptions,
const nsAString& aScope,
ErrorResult& aRv)
{
MOZ_ASSERT(aGlobal);
AutoJSAPI jsapi;
if (NS_WARN_IF(!jsapi.Init(aGlobal)))
{
aRv.Throw(NS_ERROR_DOM_ABORT_ERR);
return nullptr;
}
JSContext* cx = jsapi.cx();
RefPtr<Notification> notification = CreateInternal(aGlobal, EmptyString(),
aTitle, aOptions);
// Make a structured clone of the aOptions.mData object
JS::Rooted<JS::Value> data(cx, aOptions.mData);
notification->InitFromJSVal(cx, 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(Move(ref), NotificationTask::eShow);
nsresult rv = NS_DispatchToMainThread(showNotificationTask);
if (NS_WARN_IF(NS_FAILED(rv))) {
notification->DispatchTrustedEvent(NS_LITERAL_STRING("error"));
}
return notification.forget();
}
/* static */ nsresult
Notification::RemovePermission(nsIPrincipal* aPrincipal)
{
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIPermissionManager> permissionManager =
mozilla::services::GetPermissionManager();
if (!permissionManager) {
return NS_ERROR_FAILURE;
}
permissionManager->RemoveFromPrincipal(aPrincipal, "desktop-notification");
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);
}
uint16_t appStatus = nsIPrincipal::APP_STATUS_NOT_INSTALLED;
uint32_t appId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
nsCOMPtr<nsIPrincipal> nodePrincipal = doc ? doc->NodePrincipal() :
nullptr;
if (nodePrincipal) {
appStatus = nodePrincipal->GetAppStatus();
appId = nodePrincipal->GetAppId();
}
if (appStatus == nsIPrincipal::APP_STATUS_NOT_INSTALLED ||
appId == nsIScriptSecurityManager::NO_APP_ID ||
appId == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
CloseInternal();
}
}
}
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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