mozilla
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gecko-dev
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gecko-dev/dom/workers/ServiceWorkerManager.cpp

2346 строки
68 KiB
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/* 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 "ServiceWorkerManager.h"
#include "nsIDOMEventTarget.h"
#include "nsIDocument.h"
#include "nsIScriptSecurityManager.h"
#include "nsIStreamLoader.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
#include "nsPIDOMWindow.h"
#include "jsapi.h"
#include "mozilla/LoadContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMError.h"
#include "mozilla/dom/ErrorEvent.h"
#include "mozilla/dom/InstallEventBinding.h"
#include "mozilla/dom/Navigator.h"
#include "mozilla/dom/PromiseNativeHandler.h"
#include "nsContentUtils.h"
#include "nsGlobalWindow.h"
#include "nsNetUtil.h"
#include "nsProxyRelease.h"
#include "nsTArray.h"
#include "RuntimeService.h"
#include "ServiceWorker.h"
#include "ServiceWorkerClient.h"
#include "ServiceWorkerContainer.h"
#include "ServiceWorkerRegistration.h"
#include "ServiceWorkerEvents.h"
#include "WorkerInlines.h"
#include "WorkerPrivate.h"
#include "WorkerRunnable.h"
#include "WorkerScope.h"
#ifdef PostMessage
#undef PostMessage
#endif
using namespace mozilla;
using namespace mozilla::dom;
BEGIN_WORKERS_NAMESPACE
NS_IMPL_ISUPPORTS0(ServiceWorkerJob)
NS_IMPL_ISUPPORTS0(ServiceWorkerRegistrationInfo)
void
ServiceWorkerJob::Done(nsresult aStatus)
{
if (NS_WARN_IF(NS_FAILED(aStatus))) {
// Windows builds complain if the return value of NS_WARN_IF isn't used.
}
if (mQueue) {
mQueue->Done(this);
}
}
void
ServiceWorkerRegistrationInfo::Clear()
{
if (mInstallingWorker) {
// FIXME(nsm): Terminate installing worker.
mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
mInstallingWorker = nullptr;
// FIXME(nsm): Abort any inflight requests from installing worker.
}
if (mWaitingWorker) {
mWaitingWorker->UpdateState(ServiceWorkerState::Redundant);
// Fire statechange.
mWaitingWorker = nullptr;
mWaitingToActivate = false;
}
if (mActiveWorker) {
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
mActiveWorker = nullptr;
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
swm->InvalidateServiceWorkerRegistrationWorker(this,
WhichServiceWorker::INSTALLING_WORKER |
WhichServiceWorker::WAITING_WORKER |
WhichServiceWorker::ACTIVE_WORKER);
}
ServiceWorkerRegistrationInfo::ServiceWorkerRegistrationInfo(const nsACString& aScope)
: mControlledDocumentsCounter(0),
mScope(aScope),
mPendingUninstall(false)
{ }
ServiceWorkerRegistrationInfo::~ServiceWorkerRegistrationInfo()
{
if (IsControllingDocuments()) {
NS_WARNING("ServiceWorkerRegistrationInfo is still controlling documents. This can be a bug or a leak in ServiceWorker API or in any other API that takes the document alive.");
}
}
class QueueFireUpdateFoundRunnable MOZ_FINAL : public nsRunnable
{
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
public:
explicit QueueFireUpdateFoundRunnable(ServiceWorkerRegistrationInfo* aReg)
: mRegistration(aReg)
{
MOZ_ASSERT(aReg);
}
NS_IMETHOD
Run()
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->FireEventOnServiceWorkerRegistrations(mRegistration,
NS_LITERAL_STRING("updatefound"));
return NS_OK;
}
};
//////////////////////////
// ServiceWorkerManager //
//////////////////////////
NS_IMPL_ADDREF(ServiceWorkerManager)
NS_IMPL_RELEASE(ServiceWorkerManager)
NS_INTERFACE_MAP_BEGIN(ServiceWorkerManager)
NS_INTERFACE_MAP_ENTRY(nsIServiceWorkerManager)
if (aIID.Equals(NS_GET_IID(ServiceWorkerManager)))
foundInterface = static_cast<nsIServiceWorkerManager*>(this);
else
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIServiceWorkerManager)
NS_INTERFACE_MAP_END
ServiceWorkerManager::ServiceWorkerManager()
{
}
ServiceWorkerManager::~ServiceWorkerManager()
{
// The map will assert if it is not empty when destroyed.
mDomainMap.EnumerateRead(CleanupServiceWorkerInformation, nullptr);
mDomainMap.Clear();
}
/* static */ PLDHashOperator
ServiceWorkerManager::CleanupServiceWorkerInformation(const nsACString& aDomain,
ServiceWorkerDomainInfo* aDomainInfo,
void *aUnused)
{
aDomainInfo->mServiceWorkerRegistrationInfos.Clear();
return PL_DHASH_NEXT;
}
class ServiceWorkerRegisterJob;
class FinishInstallRunnable MOZ_FINAL : public nsRunnable
{
nsMainThreadPtrHandle<nsISupports> mJob;
bool mSuccess;
bool mActivateImmediately;
public:
explicit FinishInstallRunnable(const nsMainThreadPtrHandle<nsISupports>& aJob,
bool aSuccess,
bool aActivateImmediately)
: mJob(aJob)
, mSuccess(aSuccess)
, mActivateImmediately(aActivateImmediately)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD
Run() MOZ_OVERRIDE;
};
/*
* Fires 'install' event on the ServiceWorkerGlobalScope. Modifies busy count
* since it fires the event. This is ok since there can't be nested
* ServiceWorkers, so the parent thread -> worker thread requirement for
* runnables is satisfied.
*/
class InstallEventRunnable MOZ_FINAL : public WorkerRunnable
{
nsMainThreadPtrHandle<nsISupports> mJob;
nsCString mScope;
public:
InstallEventRunnable(WorkerPrivate* aWorkerPrivate,
const nsMainThreadPtrHandle<nsISupports>& aJob,
const nsCString& aScope)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount),
mJob(aJob),
mScope(aScope)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWorkerPrivate);
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
MOZ_ASSERT(aWorkerPrivate);
return DispatchInstallEvent(aCx, aWorkerPrivate);
}
private:
bool
DispatchInstallEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate);
};
class ServiceWorkerUpdateFinishCallback
{
protected:
virtual ~ServiceWorkerUpdateFinishCallback()
{ }
public:
NS_INLINE_DECL_REFCOUNTING(ServiceWorkerUpdateFinishCallback)
virtual
void UpdateSucceeded(ServiceWorkerRegistrationInfo* aInfo)
{ }
virtual
void UpdateFailed(nsresult aStatus)
{ }
virtual
void UpdateFailed(const ErrorEventInit& aDesc)
{ }
};
class ServiceWorkerResolveWindowPromiseOnUpdateCallback MOZ_FINAL : public ServiceWorkerUpdateFinishCallback
{
nsRefPtr<nsPIDOMWindow> mWindow;
// The promise "returned" by the call to Update up to
// navigator.serviceWorker.register().
nsRefPtr<Promise> mPromise;
~ServiceWorkerResolveWindowPromiseOnUpdateCallback()
{ }
public:
ServiceWorkerResolveWindowPromiseOnUpdateCallback(nsPIDOMWindow* aWindow, Promise* aPromise)
: mWindow(aWindow)
, mPromise(aPromise)
{
}
void
UpdateSucceeded(ServiceWorkerRegistrationInfo* aInfo) MOZ_OVERRIDE
{
nsRefPtr<ServiceWorkerRegistration> swr =
new ServiceWorkerRegistration(mWindow,
NS_ConvertUTF8toUTF16(aInfo->mScope));
mPromise->MaybeResolve(swr);
}
void
UpdateFailed(nsresult aStatus) MOZ_OVERRIDE
{
mPromise->MaybeReject(aStatus);
}
void
UpdateFailed(const ErrorEventInit& aErrorDesc) MOZ_OVERRIDE
{
AutoJSAPI jsapi;
jsapi.Init(mWindow);
JSContext* cx = jsapi.cx();
JS::Rooted<JSString*> stack(cx, JS_GetEmptyString(JS_GetRuntime(cx)));
JS::Rooted<JS::Value> fnval(cx);
if (!ToJSValue(cx, aErrorDesc.mFilename, &fnval)) {
JS_ClearPendingException(cx);
mPromise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
return;
}
JS::Rooted<JSString*> fn(cx, fnval.toString());
JS::Rooted<JS::Value> msgval(cx);
if (!ToJSValue(cx, aErrorDesc.mMessage, &msgval)) {
JS_ClearPendingException(cx);
mPromise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
return;
}
JS::Rooted<JSString*> msg(cx, msgval.toString());
JS::Rooted<JS::Value> error(cx);
if (!JS::CreateError(cx, JSEXN_ERR, stack, fn, aErrorDesc.mLineno,
aErrorDesc.mColno, nullptr, msg, &error)) {
JS_ClearPendingException(cx);
mPromise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
return;
}
mPromise->MaybeReject(cx, error);
}
};
class ContinueUpdateRunnable MOZ_FINAL : public nsRunnable
{
nsMainThreadPtrHandle<nsISupports> mJob;
public:
explicit ContinueUpdateRunnable(const nsMainThreadPtrHandle<nsISupports> aJob)
: mJob(aJob)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD Run();
};
class CheckWorkerEvaluationAndContinueUpdateWorkerRunnable MOZ_FINAL : public WorkerRunnable
{
const nsMainThreadPtrHandle<nsISupports> mJob;
public:
CheckWorkerEvaluationAndContinueUpdateWorkerRunnable(WorkerPrivate* aWorkerPrivate,
const nsMainThreadPtrHandle<nsISupports> aJob)
: WorkerRunnable(aWorkerPrivate, WorkerThreadUnchangedBusyCount)
, mJob(aJob)
{
AssertIsOnMainThread();
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
aWorkerPrivate->AssertIsOnWorkerThread();
if (aWorkerPrivate->WorkerScriptExecutedSuccessfully()) {
nsRefPtr<ContinueUpdateRunnable> r = new ContinueUpdateRunnable(mJob);
nsresult rv = NS_DispatchToMainThread(r);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch ContinueUpdateRunnable to main thread.");
}
}
return true;
}
};
class ServiceWorkerRegisterJob MOZ_FINAL : public ServiceWorkerJob,
public nsIStreamLoaderObserver
{
friend class FinishInstallRunnable;
nsCString mScope;
nsCString mScriptSpec;
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
nsRefPtr<ServiceWorkerUpdateFinishCallback> mCallback;
~ServiceWorkerRegisterJob()
{ }
enum
{
REGISTER_JOB = 0,
UPDATE_JOB = 1,
} mJobType;
public:
NS_DECL_ISUPPORTS
// [[Register]]
ServiceWorkerRegisterJob(ServiceWorkerJobQueue* aQueue,
const nsCString& aScope,
const nsCString& aScriptSpec,
ServiceWorkerUpdateFinishCallback* aCallback)
: ServiceWorkerJob(aQueue)
, mScope(aScope)
, mScriptSpec(aScriptSpec)
, mCallback(aCallback)
, mJobType(REGISTER_JOB)
{ }
// [[Update]]
ServiceWorkerRegisterJob(ServiceWorkerJobQueue* aQueue,
ServiceWorkerRegistrationInfo* aRegistration,
ServiceWorkerUpdateFinishCallback* aCallback)
: ServiceWorkerJob(aQueue)
, mRegistration(aRegistration)
, mCallback(aCallback)
, mJobType(UPDATE_JOB)
{ }
void
Start() MOZ_OVERRIDE
{
if (mJobType == REGISTER_JOB) {
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(mScope);
MOZ_ASSERT(domainInfo);
mRegistration = domainInfo->GetRegistration(mScope);
if (mRegistration) {
nsRefPtr<ServiceWorkerInfo> newest = mRegistration->Newest();
if (newest && mScriptSpec.Equals(newest->ScriptSpec()) &&
mScriptSpec.Equals(mRegistration->mScriptSpec)) {
mRegistration->mPendingUninstall = false;
Succeed();
Done(NS_OK);
return;
}
} else {
mRegistration = domainInfo->CreateNewRegistration(mScope);
}
mRegistration->mScriptSpec = mScriptSpec;
} else {
MOZ_ASSERT(mJobType == UPDATE_JOB);
}
Update();
}
NS_IMETHOD
OnStreamComplete(nsIStreamLoader* aLoader, nsISupports* aContext,
nsresult aStatus, uint32_t aLen,
const uint8_t* aString) MOZ_OVERRIDE
{
if (NS_WARN_IF(NS_FAILED(aStatus))) {
Fail(NS_ERROR_DOM_NETWORK_ERR);
return aStatus;
}
nsCOMPtr<nsIRequest> request;
nsresult rv = aLoader->GetRequest(getter_AddRefs(request));
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_NETWORK_ERR);
return rv;
}
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(request);
if (!httpChannel) {
Fail(NS_ERROR_DOM_NETWORK_ERR);
return NS_ERROR_FAILURE;
}
bool requestSucceeded;
rv = httpChannel->GetRequestSucceeded(&requestSucceeded);
if (NS_WARN_IF(NS_FAILED(rv) || !requestSucceeded)) {
Fail(NS_ERROR_DOM_NETWORK_ERR);
return rv;
}
// FIXME(nsm): "Extract mime type..."
// FIXME(nsm): Byte match to aString.
NS_WARNING("Byte wise check is disabled, just using new one");
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(mRegistration->mScope);
MOZ_ASSERT(domainInfo);
MOZ_ASSERT(!domainInfo->mSetOfScopesBeingUpdated.Contains(mRegistration->mScope));
domainInfo->mSetOfScopesBeingUpdated.Put(mRegistration->mScope, true);
// We have to create a ServiceWorker here simply to ensure there are no
// errors. Ideally we should just pass this worker on to ContinueInstall.
nsRefPtr<ServiceWorker> serviceWorker;
rv = swm->CreateServiceWorker(mRegistration->mScriptSpec,
mRegistration->mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_ABORT_ERR);
return rv;
}
nsRefPtr<ServiceWorkerJob> upcasted = this;
nsMainThreadPtrHandle<nsISupports> handle(
new nsMainThreadPtrHolder<nsISupports>(upcasted));
nsRefPtr<CheckWorkerEvaluationAndContinueUpdateWorkerRunnable> r =
new CheckWorkerEvaluationAndContinueUpdateWorkerRunnable(serviceWorker->GetWorkerPrivate(), handle);
AutoJSAPI jsapi;
jsapi.Init();
bool ok = r->Dispatch(jsapi.cx());
if (NS_WARN_IF(!ok)) {
Fail(NS_ERROR_DOM_ABORT_ERR);
return rv;
}
return NS_OK;
}
// Public so our error handling code can use it.
void
Fail(const ErrorEventInit& aError)
{
MOZ_ASSERT(mCallback);
mCallback->UpdateFailed(aError);
mCallback = nullptr;
Done(NS_ERROR_DOM_JS_EXCEPTION);
}
// Public so our error handling code can continue with a successful worker.
void
ContinueInstall()
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(mRegistration->mScope);
MOZ_ASSERT(domainInfo);
MOZ_ASSERT(domainInfo->mSetOfScopesBeingUpdated.Contains(mRegistration->mScope));
domainInfo->mSetOfScopesBeingUpdated.Remove(mRegistration->mScope);
if (mRegistration->mInstallingWorker) {
// FIXME(nsm): Terminate and stuff
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
}
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER);
mRegistration->mInstallingWorker = new ServiceWorkerInfo(mRegistration, mRegistration->mScriptSpec);
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Installing);
Succeed();
nsRefPtr<QueueFireUpdateFoundRunnable> upr =
new QueueFireUpdateFoundRunnable(mRegistration);
NS_DispatchToMainThread(upr);
// XXXnsm this leads to double fetches right now, ideally we'll be able to
// use the persistent cache later.
nsRefPtr<ServiceWorkerJob> upcasted = this;
nsMainThreadPtrHandle<nsISupports> handle(
new nsMainThreadPtrHolder<nsISupports>(upcasted));
nsRefPtr<ServiceWorker> serviceWorker;
nsresult rv =
swm->CreateServiceWorker(mRegistration->mInstallingWorker->ScriptSpec(),
mRegistration->mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
ContinueAfterInstallEvent(false /* success */, false /* activate immediately */);
return;
}
nsRefPtr<InstallEventRunnable> r =
new InstallEventRunnable(serviceWorker->GetWorkerPrivate(), handle, mRegistration->mScope);
AutoJSAPI jsapi;
jsapi.Init();
r->Dispatch(jsapi.cx());
}
private:
void
Update()
{
MOZ_ASSERT(mRegistration);
nsCOMPtr<nsIRunnable> r =
NS_NewRunnableMethod(this, &ServiceWorkerRegisterJob::ContinueUpdate);
NS_DispatchToMainThread(r);
}
// Aspects of (actually the whole algorithm) of [[Update]] after
// "Run the following steps in parallel."
void
ContinueUpdate()
{
AssertIsOnMainThread();
if (mRegistration->mInstallingWorker) {
// FIXME(nsm): "Terminate installing worker".
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
mRegistration->mInstallingWorker = nullptr;
}
// FIXME(nsm): Plug in FetchDriver when it is ready.
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), mRegistration->mScriptSpec, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
nsCOMPtr<nsIPrincipal> principal;
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
rv = ssm->GetNoAppCodebasePrincipal(uri, getter_AddRefs(principal));
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
nsCOMPtr<nsIChannel> channel;
rv = NS_NewChannel(getter_AddRefs(channel),
uri,
principal,
nsILoadInfo::SEC_NORMAL,
nsIContentPolicy::TYPE_SCRIPT); // FIXME(nsm): TYPE_SERVICEWORKER
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
// FIXME(nsm): Set redirect limit.
// Don't let serviceworker intercept.
nsCOMPtr<nsIHttpChannelInternal> internalChannel = do_QueryInterface(channel);
if (internalChannel) {
internalChannel->ForceNoIntercept();
}
nsCOMPtr<nsIStreamLoader> loader;
rv = NS_NewStreamLoader(getter_AddRefs(loader), this);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
rv = channel->AsyncOpen(loader, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
}
void
Succeed()
{
MOZ_ASSERT(mCallback);
mCallback->UpdateSucceeded(mRegistration);
mCallback = nullptr;
}
// This MUST only be called when the job is still performing actions related
// to registration or update. After the spec resolves the update promise, use
// Done() with the failure code instead.
void
Fail(nsresult rv)
{
MOZ_ASSERT(mCallback);
mCallback->UpdateFailed(rv);
mCallback = nullptr;
Done(rv);
}
void
ContinueAfterInstallEvent(bool aSuccess, bool aActivateImmediately)
{
// By this point the callback should've been notified about success or fail
// and nulled.
MOZ_ASSERT(!mCallback);
if (!mRegistration->mInstallingWorker) {
NS_WARNING("mInstallingWorker was null.");
return Done(NS_ERROR_DOM_ABORT_ERR);
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
// "If installFailed is true"
if (!aSuccess) {
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
mRegistration->mInstallingWorker = nullptr;
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER);
return Done(NS_ERROR_DOM_ABORT_ERR);
}
// "If registration's waiting worker is not null"
if (mRegistration->mWaitingWorker) {
// FIXME(nsm): Terminate
mRegistration->mWaitingWorker->UpdateState(ServiceWorkerState::Redundant);
}
mRegistration->mWaitingWorker = mRegistration->mInstallingWorker.forget();
mRegistration->mWaitingToActivate = false;
mRegistration->mWaitingWorker->UpdateState(ServiceWorkerState::Installed);
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER | WhichServiceWorker::WAITING_WORKER);
// FIXME(nsm): Bug 982711 Deal with activateImmediately.
NS_WARN_IF_FALSE(!aActivateImmediately, "Immediate activation using replace() is not supported yet");
mRegistration->TryToActivate();
Done(NS_OK);
}
};
NS_IMPL_ISUPPORTS_INHERITED(ServiceWorkerRegisterJob, ServiceWorkerJob, nsIStreamLoaderObserver);
NS_IMETHODIMP
ContinueUpdateRunnable::Run()
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerJob> job = static_cast<ServiceWorkerJob*>(mJob.get());
nsRefPtr<ServiceWorkerRegisterJob> upjob = static_cast<ServiceWorkerRegisterJob*>(job.get());
upjob->ContinueInstall();
return NS_OK;
}
// If we return an error code here, the ServiceWorkerContainer will
// automatically reject the Promise.
NS_IMETHODIMP
ServiceWorkerManager::Register(nsIDOMWindow* aWindow,
const nsAString& aScope,
const nsAString& aScriptURL,
nsISupports** aPromise)
{
AssertIsOnMainThread();
// XXXnsm Don't allow chrome callers for now, we don't support chrome
// ServiceWorkers.
MOZ_ASSERT(!nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIURI> documentURI = doc->GetBaseURI();
bool authenticatedOrigin = false;
// FIXME(nsm): Bug 1003991. Disable check when devtools are open.
if (Preferences::GetBool("dom.serviceWorkers.testing.enabled")) {
authenticatedOrigin = true;
}
nsresult rv;
if (!authenticatedOrigin) {
nsAutoCString scheme;
rv = documentURI->GetScheme(scheme);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (scheme.EqualsLiteral("https") ||
scheme.EqualsLiteral("file") ||
scheme.EqualsLiteral("app")) {
authenticatedOrigin = true;
}
}
if (!authenticatedOrigin) {
nsAutoCString host;
rv = documentURI->GetHost(host);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (host.Equals("127.0.0.1") ||
host.Equals("localhost") ||
host.Equals("::1")) {
authenticatedOrigin = true;
}
}
if (!authenticatedOrigin) {
bool isFile;
rv = documentURI->SchemeIs("file", &isFile);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!isFile) {
bool isHttps;
rv = documentURI->SchemeIs("https", &isHttps);
if (NS_WARN_IF(NS_FAILED(rv)) || !isHttps) {
NS_WARNING("ServiceWorker registration from insecure websites is not allowed.");
return NS_ERROR_DOM_SECURITY_ERR;
}
}
}
nsCOMPtr<nsIURI> scriptURI;
rv = NS_NewURI(getter_AddRefs(scriptURI), aScriptURL, nullptr, documentURI);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Data URLs are not allowed.
nsCOMPtr<nsIPrincipal> documentPrincipal = doc->NodePrincipal();
rv = documentPrincipal->CheckMayLoad(scriptURI, true /* report */,
false /* allowIfInheritsPrincipal */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCOMPtr<nsIURI> scopeURI;
rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, documentURI);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
rv = documentPrincipal->CheckMayLoad(scopeURI, true /* report */,
false /* allowIfInheritsPrinciple */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCString cleanedScope;
rv = scopeURI->GetSpecIgnoringRef(cleanedScope);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_FAILURE;
}
nsAutoCString spec;
rv = scriptURI->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(cleanedScope);
if (!domainInfo) {
nsAutoCString domain;
rv = scriptURI->GetHost(domain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
domainInfo = new ServiceWorkerManager::ServiceWorkerDomainInfo;
mDomainMap.Put(domain, domainInfo);
}
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.ErrorCode();
}
ServiceWorkerJobQueue* queue = domainInfo->GetOrCreateJobQueue(cleanedScope);
MOZ_ASSERT(queue);
nsRefPtr<ServiceWorkerResolveWindowPromiseOnUpdateCallback> cb =
new ServiceWorkerResolveWindowPromiseOnUpdateCallback(window, promise);
nsRefPtr<ServiceWorkerRegisterJob> job =
new ServiceWorkerRegisterJob(queue, cleanedScope, spec, cb);
queue->Append(job);
promise.forget(aPromise);
return NS_OK;
}
NS_IMETHODIMP
FinishInstallRunnable::Run()
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerJob> job = static_cast<ServiceWorkerJob*>(mJob.get());
nsRefPtr<ServiceWorkerRegisterJob> upjob = static_cast<ServiceWorkerRegisterJob*>(job.get());
MOZ_ASSERT(upjob);
upjob->ContinueAfterInstallEvent(mSuccess, mActivateImmediately);
return NS_OK;
}
/*
* Used to handle InstallEvent::waitUntil() and proceed with installation.
*/
class FinishInstallHandler MOZ_FINAL : public PromiseNativeHandler
{
nsMainThreadPtrHandle<nsISupports> mJob;
bool mActivateImmediately;
virtual
~FinishInstallHandler()
{ }
public:
FinishInstallHandler(const nsMainThreadPtrHandle<nsISupports>& aJob,
bool aActivateImmediately)
: mJob(aJob)
, mActivateImmediately(aActivateImmediately)
{
MOZ_ASSERT(!NS_IsMainThread());
}
void
ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<FinishInstallRunnable> r = new FinishInstallRunnable(mJob, true, mActivateImmediately);
NS_DispatchToMainThread(r);
}
void
RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
nsRefPtr<FinishInstallRunnable> r = new FinishInstallRunnable(mJob, false, mActivateImmediately);
NS_DispatchToMainThread(r);
}
};
bool
InstallEventRunnable::DispatchInstallEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
aWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
InstallEventInit init;
init.mBubbles = false;
init.mCancelable = true;
// FIXME(nsm): Bug 982787 pass previous active worker.
// FIXME(nsm): Set error handler so we can grab handler errors.
nsRefPtr<EventTarget> target = aWorkerPrivate->GlobalScope();
nsRefPtr<InstallEvent> event =
InstallEvent::Constructor(target, NS_LITERAL_STRING("install"), init);
event->SetTrusted(true);
nsRefPtr<Promise> waitUntilPromise;
ErrorResult result;
result = target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
nsCOMPtr<nsIGlobalObject> sgo = aWorkerPrivate->GlobalScope();
if (!result.Failed()) {
waitUntilPromise = event->GetPromise();
if (!waitUntilPromise) {
ErrorResult result;
waitUntilPromise =
Promise::Resolve(sgo, aCx, JS::UndefinedHandleValue, result);
}
} else {
// Continue with a canceled install.
waitUntilPromise = Promise::Reject(sgo, aCx,
JS::UndefinedHandleValue, result);
}
if (result.Failed()) {
return false;
}
// FIXME(nsm): handle script errors.
nsRefPtr<FinishInstallHandler> handler =
new FinishInstallHandler(mJob, event->ActivateImmediately());
waitUntilPromise->AppendNativeHandler(handler);
return true;
}
class FinishActivationRunnable MOZ_FINAL : public nsRunnable
{
bool mSuccess;
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
public:
FinishActivationRunnable(bool aSuccess,
const nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration)
: mSuccess(aSuccess)
, mRegistration(aRegistration)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHODIMP
Run()
{
AssertIsOnMainThread();
mRegistration->FinishActivate(mSuccess);
return NS_OK;
}
};
class FinishActivateHandler MOZ_FINAL : public PromiseNativeHandler
{
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
public:
explicit FinishActivateHandler(const nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration)
: mRegistration(aRegistration)
{
MOZ_ASSERT(!NS_IsMainThread());
}
virtual
~FinishActivateHandler()
{ }
void
ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
nsRefPtr<FinishActivationRunnable> r = new FinishActivationRunnable(true /* success */, mRegistration);
NS_DispatchToMainThread(r);
}
void
RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
nsRefPtr<FinishActivationRunnable> r = new FinishActivationRunnable(false /* success */, mRegistration);
NS_DispatchToMainThread(r);
}
};
class ActivateEventRunnable : public WorkerRunnable
{
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
public:
ActivateEventRunnable(WorkerPrivate* aWorkerPrivate,
const nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount),
mRegistration(aRegistration)
{
MOZ_ASSERT(aWorkerPrivate);
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
MOZ_ASSERT(aWorkerPrivate);
return DispatchActivateEvent(aCx, aWorkerPrivate);
}
private:
bool
DispatchActivateEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
nsRefPtr<EventTarget> target = do_QueryObject(aWorkerPrivate->GlobalScope());
// FIXME(nsm): Set activeWorker to the correct thing.
EventInit init;
init.mBubbles = false;
init.mCancelable = true;
nsRefPtr<InstallPhaseEvent> event =
InstallPhaseEvent::Constructor(target, NS_LITERAL_STRING("activate"), init);
event->SetTrusted(true);
nsRefPtr<Promise> waitUntilPromise;
// FIXME(nsm): Install error handler for any listener errors.
ErrorResult result;
result = target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (!result.Failed()) {
waitUntilPromise = event->GetPromise();
if (!waitUntilPromise) {
nsCOMPtr<nsIGlobalObject> global =
do_QueryObject(aWorkerPrivate->GlobalScope());
waitUntilPromise =
Promise::Resolve(global,
aCx, JS::UndefinedHandleValue, result);
}
} else {
nsCOMPtr<nsIGlobalObject> global =
do_QueryObject(aWorkerPrivate->GlobalScope());
// Continue with a canceled install.
waitUntilPromise = Promise::Reject(global, aCx,
JS::UndefinedHandleValue, result);
}
if (result.Failed()) {
return false;
}
nsRefPtr<FinishActivateHandler> handler = new FinishActivateHandler(mRegistration);
waitUntilPromise->AppendNativeHandler(handler);
return true;
}
};
void
ServiceWorkerRegistrationInfo::TryToActivate()
{
mWaitingToActivate = true;
if (!IsControllingDocuments()) {
Activate();
}
}
void
ServiceWorkerRegistrationInfo::Activate()
{
MOZ_ASSERT(mWaitingToActivate);
mWaitingToActivate = false;
nsRefPtr<ServiceWorkerInfo> activatingWorker = mWaitingWorker;
nsRefPtr<ServiceWorkerInfo> exitingWorker = mActiveWorker;
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->InvalidateServiceWorkerRegistrationWorker(this, WhichServiceWorker::WAITING_WORKER | WhichServiceWorker::ACTIVE_WORKER);
if (!activatingWorker) {
NS_WARNING("No activatingWorker!");
return;
}
if (exitingWorker) {
// FIXME(nsm): Wait for worker.
// Terminate worker
exitingWorker->UpdateState(ServiceWorkerState::Redundant);
}
mActiveWorker = activatingWorker.forget();
mWaitingWorker = nullptr;
mActiveWorker->UpdateState(ServiceWorkerState::Activating);
swm->CheckPendingReadyPromises();
// "Queue a task to fire a simple event named controllerchange..."
nsCOMPtr<nsIRunnable> controllerChangeRunnable =
NS_NewRunnableMethodWithArg<ServiceWorkerRegistrationInfo*>(swm, &ServiceWorkerManager::FireControllerChange, this);
NS_DispatchToMainThread(controllerChangeRunnable);
// XXXnsm I have my doubts about this. Leaving the main thread means that
// subsequent calls to Activate() not from a Register() call, i.e. due to all
// controlled documents going away, may lead to two or more calls being
// interleaved.
MOZ_ASSERT(mActiveWorker);
nsRefPtr<ServiceWorker> serviceWorker;
nsresult rv =
swm->CreateServiceWorker(mActiveWorker->ScriptSpec(),
mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
FinishActivate(false /* success */);
return;
}
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> handle(
new nsMainThreadPtrHolder<ServiceWorkerRegistrationInfo>(this));
nsRefPtr<ActivateEventRunnable> r =
new ActivateEventRunnable(serviceWorker->GetWorkerPrivate(), handle);
AutoJSAPI jsapi;
jsapi.Init();
r->Dispatch(jsapi.cx());
}
/*
* Implements the async aspects of the getRegistrations algorithm.
*/
class GetRegistrationsRunnable : public nsRunnable
{
nsCOMPtr<nsPIDOMWindow> mWindow;
nsRefPtr<Promise> mPromise;
public:
GetRegistrationsRunnable(nsPIDOMWindow* aWindow, Promise* aPromise)
: mWindow(aWindow), mPromise(aPromise)
{ }
NS_IMETHODIMP
Run()
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsIDocument* doc = mWindow->GetExtantDoc();
if (!doc) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsCOMPtr<nsIURI> docURI = doc->GetDocumentURI();
if (!docURI) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal();
if (!principal) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsTArray<nsRefPtr<ServiceWorkerRegistration>> array;
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(docURI);
if (!domainInfo) {
mPromise->MaybeResolve(array);
return NS_OK;
}
for (uint32_t i = 0; i < domainInfo->mOrderedScopes.Length(); ++i) {
NS_ConvertUTF8toUTF16 scope(domainInfo->mOrderedScopes[i]);
nsRefPtr<ServiceWorkerRegistration> swr =
new ServiceWorkerRegistration(mWindow, scope);
array.AppendElement(swr);
}
mPromise->MaybeResolve(array);
return NS_OK;
}
};
// If we return an error code here, the ServiceWorkerContainer will
// automatically reject the Promise.
NS_IMETHODIMP
ServiceWorkerManager::GetRegistrations(nsIDOMWindow* aWindow,
nsISupports** aPromise)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
// XXXnsm Don't allow chrome callers for now, we don't support chrome
// ServiceWorkers.
MOZ_ASSERT(!nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.ErrorCode();
}
nsRefPtr<nsIRunnable> runnable =
new GetRegistrationsRunnable(window, promise);
promise.forget(aPromise);
return NS_DispatchToCurrentThread(runnable);
}
/*
* Implements the async aspects of the getRegistration algorithm.
*/
class GetRegistrationRunnable : public nsRunnable
{
nsCOMPtr<nsPIDOMWindow> mWindow;
nsRefPtr<Promise> mPromise;
nsString mDocumentURL;
public:
GetRegistrationRunnable(nsPIDOMWindow* aWindow, Promise* aPromise,
const nsAString& aDocumentURL)
: mWindow(aWindow), mPromise(aPromise), mDocumentURL(aDocumentURL)
{ }
NS_IMETHODIMP
Run()
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsIDocument* doc = mWindow->GetExtantDoc();
if (!doc) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsCOMPtr<nsIURI> docURI = doc->GetDocumentURI();
if (!docURI) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), mDocumentURL, nullptr, docURI);
if (NS_WARN_IF(NS_FAILED(rv))) {
mPromise->MaybeReject(rv);
return NS_OK;
}
nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal();
if (!principal) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
rv = principal->CheckMayLoad(uri, true /* report */,
false /* allowIfInheritsPrinciple */);
if (NS_FAILED(rv)) {
mPromise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR);
return NS_OK;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
swm->GetServiceWorkerRegistrationInfo(uri);
if (!registration) {
mPromise->MaybeResolve(JS::UndefinedHandleValue);
return NS_OK;
}
NS_ConvertUTF8toUTF16 scope(registration->mScope);
nsRefPtr<ServiceWorkerRegistration> swr =
new ServiceWorkerRegistration(mWindow, scope);
mPromise->MaybeResolve(swr);
return NS_OK;
}
};
// If we return an error code here, the ServiceWorkerContainer will
// automatically reject the Promise.
NS_IMETHODIMP
ServiceWorkerManager::GetRegistration(nsIDOMWindow* aWindow,
const nsAString& aDocumentURL,
nsISupports** aPromise)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
// XXXnsm Don't allow chrome callers for now, we don't support chrome
// ServiceWorkers.
MOZ_ASSERT(!nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.ErrorCode();
}
nsRefPtr<nsIRunnable> runnable =
new GetRegistrationRunnable(window, promise, aDocumentURL);
promise.forget(aPromise);
return NS_DispatchToCurrentThread(runnable);
}
class GetReadyPromiseRunnable : public nsRunnable
{
nsCOMPtr<nsPIDOMWindow> mWindow;
nsRefPtr<Promise> mPromise;
public:
GetReadyPromiseRunnable(nsPIDOMWindow* aWindow, Promise* aPromise)
: mWindow(aWindow), mPromise(aPromise)
{ }
NS_IMETHODIMP
Run()
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsIDocument* doc = mWindow->GetExtantDoc();
if (!doc) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
nsCOMPtr<nsIURI> docURI = doc->GetDocumentURI();
if (!docURI) {
mPromise->MaybeReject(NS_ERROR_UNEXPECTED);
return NS_OK;
}
if (!swm->CheckReadyPromise(mWindow, docURI, mPromise)) {
swm->StorePendingReadyPromise(mWindow, docURI, mPromise);
}
return NS_OK;
}
};
NS_IMETHODIMP
ServiceWorkerManager::GetReadyPromise(nsIDOMWindow* aWindow,
nsISupports** aPromise)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
// XXXnsm Don't allow chrome callers for now, we don't support chrome
// ServiceWorkers.
MOZ_ASSERT(!nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(!mPendingReadyPromises.Contains(window));
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.ErrorCode();
}
nsRefPtr<nsIRunnable> runnable =
new GetReadyPromiseRunnable(window, promise);
promise.forget(aPromise);
return NS_DispatchToCurrentThread(runnable);
}
NS_IMETHODIMP
ServiceWorkerManager::RemoveReadyPromise(nsIDOMWindow* aWindow)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
mPendingReadyPromises.Remove(aWindow);
return NS_OK;
}
void
ServiceWorkerManager::StorePendingReadyPromise(nsPIDOMWindow* aWindow,
nsIURI* aURI,
Promise* aPromise)
{
PendingReadyPromise* data;
// We should not have 2 pending promises for the same window.
MOZ_ASSERT(!mPendingReadyPromises.Get(aWindow, &data));
data = new PendingReadyPromise(aURI, aPromise);
mPendingReadyPromises.Put(aWindow, data);
}
void
ServiceWorkerManager::CheckPendingReadyPromises()
{
mPendingReadyPromises.Enumerate(CheckPendingReadyPromisesEnumerator, this);
}
PLDHashOperator
ServiceWorkerManager::CheckPendingReadyPromisesEnumerator(
nsISupports* aSupports,
nsAutoPtr<PendingReadyPromise>& aData,
void* aPtr)
{
ServiceWorkerManager* aSwm = static_cast<ServiceWorkerManager*>(aPtr);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aSupports);
if (aSwm->CheckReadyPromise(window, aData->mURI, aData->mPromise)) {
return PL_DHASH_REMOVE;
}
return PL_DHASH_NEXT;
}
bool
ServiceWorkerManager::CheckReadyPromise(nsPIDOMWindow* aWindow,
nsIURI* aURI, Promise* aPromise)
{
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aURI);
if (registration && registration->mActiveWorker) {
NS_ConvertUTF8toUTF16 scope(registration->mScope);
nsRefPtr<ServiceWorkerRegistration> swr =
new ServiceWorkerRegistration(aWindow, scope);
aPromise->MaybeResolve(swr);
return true;
}
return false;
}
NS_IMETHODIMP
ServiceWorkerManager::Unregister(nsIServiceWorkerUnregisterCallback* aCallback,
const nsAString& aScope)
{
AssertIsOnMainThread();
MOZ_ASSERT(aCallback);
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
/*
* Implements the async aspects of the unregister algorithm.
*/
class UnregisterRunnable : public nsRunnable
{
nsCOMPtr<nsIServiceWorkerUnregisterCallback> mCallback;
nsCOMPtr<nsIURI> mScopeURI;
public:
UnregisterRunnable(nsIServiceWorkerUnregisterCallback* aCallback,
nsIURI* aScopeURI)
: mCallback(aCallback), mScopeURI(aScopeURI)
{
AssertIsOnMainThread();
}
NS_IMETHODIMP
Run()
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(mScopeURI);
MOZ_ASSERT(domainInfo);
nsCString spec;
nsresult rv = mScopeURI->GetSpecIgnoringRef(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return mCallback->UnregisterFailed();
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
if (!domainInfo->mServiceWorkerRegistrationInfos.Get(spec,
getter_AddRefs(registration))) {
return mCallback->UnregisterSucceeded(false);
}
MOZ_ASSERT(registration);
registration->mPendingUninstall = true;
rv = mCallback->UnregisterSucceeded(true);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// The "Wait until no document is using registration" can actually be
// handled by [[HandleDocumentUnload]] in Bug 1041340, so we simply check
// if the document is currently in use here.
if (!registration->IsControllingDocuments()) {
if (!registration->mPendingUninstall) {
return NS_OK;
}
registration->Clear();
domainInfo->RemoveRegistration(registration);
}
return NS_OK;
}
};
nsRefPtr<nsIRunnable> unregisterRunnable =
new UnregisterRunnable(aCallback, scopeURI);
return NS_DispatchToCurrentThread(unregisterRunnable);
}
/* static */
already_AddRefed<ServiceWorkerManager>
ServiceWorkerManager::GetInstance()
{
nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
nsRefPtr<ServiceWorkerManager> concrete = do_QueryObject(swm);
return concrete.forget();
}
void
ServiceWorkerManager::FinishFetch(ServiceWorkerRegistrationInfo* aRegistration)
{
}
bool
ServiceWorkerManager::HandleError(JSContext* aCx,
const nsCString& aScope,
const nsString& aWorkerURL,
nsString aMessage,
nsString aFilename,
nsString aLine,
uint32_t aLineNumber,
uint32_t aColumnNumber,
uint32_t aFlags)
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aScope);
MOZ_ASSERT(domainInfo);
if (!domainInfo->mSetOfScopesBeingUpdated.Contains(aScope)) {
return false;
}
domainInfo->mSetOfScopesBeingUpdated.Remove(aScope);
ServiceWorkerJobQueue* queue = domainInfo->mJobQueues.Get(aScope);
MOZ_ASSERT(queue);
ServiceWorkerJob* job = queue->Peek();
ServiceWorkerRegisterJob* regJob = static_cast<ServiceWorkerRegisterJob*>(job);
MOZ_ASSERT(regJob);
RootedDictionary<ErrorEventInit> init(aCx);
init.mMessage = aMessage;
init.mFilename = aFilename;
init.mLineno = aLineNumber;
init.mColno = aColumnNumber;
regJob->Fail(init);
return true;
}
void
ServiceWorkerRegistrationInfo::FinishActivate(bool aSuccess)
{
MOZ_ASSERT(mActiveWorker);
if (aSuccess) {
mActiveWorker->UpdateState(ServiceWorkerState::Activated);
} else {
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
mActiveWorker = nullptr;
}
}
void
ServiceWorkerRegistrationInfo::QueueStateChangeEvent(ServiceWorkerInfo* aInfo,
ServiceWorkerState aState) const
{
AssertIsOnMainThread();
MOZ_ASSERT(aInfo);
MOZ_ASSERT(aInfo == mInstallingWorker ||
aInfo == mWaitingWorker ||
aInfo == mActiveWorker);
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
swm->GetDomainInfo(mScope);
if (domainInfo) {
WhichServiceWorker whichOne;
if (aInfo == mInstallingWorker) {
whichOne = WhichServiceWorker::INSTALLING_WORKER;
} else if (aInfo == mWaitingWorker) {
whichOne = WhichServiceWorker::WAITING_WORKER;
} else if (aInfo == mActiveWorker) {
whichOne = WhichServiceWorker::ACTIVE_WORKER;
} else {
MOZ_CRASH("Hit unexpected case");
}
// Refactor this iteration pattern across this and 2 other call-sites.
nsTObserverArray<ServiceWorkerRegistration*>::ForwardIterator it(domainInfo->mServiceWorkerRegistrations);
while (it.HasMore()) {
nsRefPtr<ServiceWorkerRegistration> target = it.GetNext();
nsAutoString regScope;
target->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
NS_ConvertUTF16toUTF8 utf8Scope(regScope);
if (utf8Scope.Equals(mScope)) {
target->QueueStateChangeEvent(whichOne, aState);
}
}
}
}
NS_IMETHODIMP
ServiceWorkerManager::CreateServiceWorkerForWindow(nsPIDOMWindow* aWindow,
const nsACString& aScriptSpec,
const nsACString& aScope,
ServiceWorker** aServiceWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
RuntimeService* rs = RuntimeService::GetOrCreateService();
nsRefPtr<ServiceWorker> serviceWorker;
AutoJSAPI jsapi;
jsapi.Init(aWindow);
JSContext* cx = jsapi.cx();
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(aWindow);
JS::Rooted<JSObject*> jsGlobal(cx, sgo->GetGlobalJSObject());
GlobalObject global(cx, jsGlobal);
nsresult rv = rs->CreateServiceWorker(global,
NS_ConvertUTF8toUTF16(aScriptSpec),
aScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker.forget(aServiceWorker);
return rv;
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsPIDOMWindow* aWindow)
{
nsCOMPtr<nsIDocument> document = aWindow->GetExtantDoc();
return GetServiceWorkerRegistrationInfo(document);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsIDocument* aDoc)
{
nsCOMPtr<nsIURI> documentURI = aDoc->GetDocumentURI();
return GetServiceWorkerRegistrationInfo(documentURI);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsIURI* aURI)
{
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aURI);
if (!domainInfo) {
return nullptr;
}
nsCString spec;
nsresult rv = aURI->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsCString scope = FindScopeForPath(domainInfo->mOrderedScopes, spec);
if (scope.IsEmpty()) {
return nullptr;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
domainInfo->mServiceWorkerRegistrationInfos.Get(scope, getter_AddRefs(registration));
// ordered scopes and registrations better be in sync.
MOZ_ASSERT(registration);
if (registration->mPendingUninstall) {
return nullptr;
}
return registration.forget();
}
/* static */ void
ServiceWorkerManager::AddScope(nsTArray<nsCString>& aList, const nsACString& aScope)
{
for (uint32_t i = 0; i < aList.Length(); ++i) {
const nsCString& current = aList[i];
// Perfect match!
if (aScope.Equals(current)) {
return;
}
// Sort by length, with longest match first.
// /foo/bar should be before /foo/
// Similarly /foo/b is between the two.
if (StringBeginsWith(aScope, current)) {
aList.InsertElementAt(i, aScope);
return;
}
}
aList.AppendElement(aScope);
}
/* static */ nsCString
ServiceWorkerManager::FindScopeForPath(nsTArray<nsCString>& aList, const nsACString& aPath)
{
nsCString match;
for (uint32_t i = 0; i < aList.Length(); ++i) {
const nsCString& current = aList[i];
if (StringBeginsWith(aPath, current)) {
match = current;
break;
}
}
return match;
}
/* static */ void
ServiceWorkerManager::RemoveScope(nsTArray<nsCString>& aList, const nsACString& aScope)
{
aList.RemoveElement(aScope);
}
already_AddRefed<ServiceWorkerManager::ServiceWorkerDomainInfo>
ServiceWorkerManager::GetDomainInfo(nsIDocument* aDoc)
{
AssertIsOnMainThread();
MOZ_ASSERT(aDoc);
nsCOMPtr<nsIURI> documentURI = aDoc->GetDocumentURI();
return GetDomainInfo(documentURI);
}
already_AddRefed<ServiceWorkerManager::ServiceWorkerDomainInfo>
ServiceWorkerManager::GetDomainInfo(nsIURI* aURI)
{
AssertIsOnMainThread();
MOZ_ASSERT(aURI);
nsAutoCString domain;
nsresult rv = aURI->GetHost(domain);
if (NS_FAILED(rv)) {
return nullptr;
}
nsRefPtr<ServiceWorkerDomainInfo> domainInfo;
mDomainMap.Get(domain, getter_AddRefs(domainInfo));
return domainInfo.forget();
}
already_AddRefed<ServiceWorkerManager::ServiceWorkerDomainInfo>
ServiceWorkerManager::GetDomainInfo(const nsCString& aURL)
{
AssertIsOnMainThread();
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return GetDomainInfo(uri);
}
void
ServiceWorkerManager::MaybeStartControlling(nsIDocument* aDoc)
{
AssertIsOnMainThread();
if (!Preferences::GetBool("dom.serviceWorkers.enabled")) {
return;
}
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aDoc);
if (!domainInfo) {
return;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aDoc);
if (registration) {
MOZ_ASSERT(!domainInfo->mControlledDocuments.Contains(aDoc));
registration->StartControllingADocument();
// Use the already_AddRefed<> form of Put to avoid the addref-deref since
// we don't need the registration pointer in this function anymore.
domainInfo->mControlledDocuments.Put(aDoc, registration.forget());
}
}
void
ServiceWorkerManager::MaybeStopControlling(nsIDocument* aDoc)
{
MOZ_ASSERT(aDoc);
if (!Preferences::GetBool("dom.serviceWorkers.enabled")) {
return;
}
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aDoc);
if (!domainInfo) {
return;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
domainInfo->mControlledDocuments.Remove(aDoc, getter_AddRefs(registration));
// A document which was uncontrolled does not maintain that state itself, so
// it will always call MaybeStopControlling() even if there isn't an
// associated registration. So this check is required.
if (registration) {
registration->StopControllingADocument();
}
}
NS_IMETHODIMP
ServiceWorkerManager::GetScopeForUrl(const nsAString& aUrl, nsAString& aScope)
{
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aUrl, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_FAILURE;
}
nsRefPtr<ServiceWorkerRegistrationInfo> r = GetServiceWorkerRegistrationInfo(uri);
if (!r) {
return NS_ERROR_FAILURE;
}
aScope = NS_ConvertUTF8toUTF16(r->mScope);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::AddRegistrationEventListener(const nsAString& aScope, nsIDOMEventTarget* aListener)
{
AssertIsOnMainThread();
nsAutoCString scope = NS_ConvertUTF16toUTF8(aScope);
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(scope);
if (!domainInfo) {
nsCOMPtr<nsIURI> scopeAsURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeAsURI), scope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsAutoCString domain;
rv = scopeAsURI->GetHost(domain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
domainInfo = new ServiceWorkerDomainInfo;
mDomainMap.Put(domain, domainInfo);
}
MOZ_ASSERT(domainInfo);
// TODO: this is very very bad:
ServiceWorkerRegistration* registration = static_cast<ServiceWorkerRegistration*>(aListener);
MOZ_ASSERT(!domainInfo->mServiceWorkerRegistrations.Contains(registration));
#ifdef DEBUG
// Ensure a registration is only listening for it's own scope.
nsAutoString regScope;
registration->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
MOZ_ASSERT(scope.Equals(NS_ConvertUTF16toUTF8(regScope)));
#endif
domainInfo->mServiceWorkerRegistrations.AppendElement(registration);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::RemoveRegistrationEventListener(const nsAString& aScope, nsIDOMEventTarget* aListener)
{
AssertIsOnMainThread();
nsCString scope = NS_ConvertUTF16toUTF8(aScope);
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(scope);
if (!domainInfo) {
return NS_OK;
}
ServiceWorkerRegistration* registration = static_cast<ServiceWorkerRegistration*>(aListener);
MOZ_ASSERT(domainInfo->mServiceWorkerRegistrations.Contains(registration));
#ifdef DEBUG
// Ensure a registration is unregistering for it's own scope.
nsAutoString regScope;
registration->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
MOZ_ASSERT(scope.Equals(NS_ConvertUTF16toUTF8(regScope)));
#endif
domainInfo->mServiceWorkerRegistrations.RemoveElement(registration);
return NS_OK;
}
void
ServiceWorkerManager::FireEventOnServiceWorkerRegistrations(
ServiceWorkerRegistrationInfo* aRegistration,
const nsAString& aName)
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerDomainInfo> domainInfo =
GetDomainInfo(aRegistration->mScope);
if (domainInfo) {
nsTObserverArray<ServiceWorkerRegistration*>::ForwardIterator it(domainInfo->mServiceWorkerRegistrations);
while (it.HasMore()) {
nsRefPtr<ServiceWorkerRegistration> target = it.GetNext();
nsAutoString regScope;
target->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
NS_ConvertUTF16toUTF8 utf8Scope(regScope);
if (utf8Scope.Equals(aRegistration->mScope)) {
nsresult rv = target->DispatchTrustedEvent(aName);
if (NS_WARN_IF(NS_FAILED(rv))) {
// Warn only.
}
}
}
}
}
/*
* This is used for installing, waiting and active.
*/
NS_IMETHODIMP
ServiceWorkerManager::GetServiceWorkerForScope(nsIDOMWindow* aWindow,
const nsAString& aScope,
WhichServiceWorker aWhichWorker,
nsISupports** aServiceWorker)
{
AssertIsOnMainThread();
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
MOZ_ASSERT(doc);
///////////////////////////////////////////
// Security check
nsAutoCString scope = NS_ConvertUTF16toUTF8(aScope);
nsCOMPtr<nsIURI> scopeURI;
// We pass nullptr as the base URI since scopes obtained from
// ServiceWorkerRegistrations MUST be fully qualified URIs.
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), scope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCOMPtr<nsIPrincipal> documentPrincipal = doc->NodePrincipal();
rv = documentPrincipal->CheckMayLoad(scopeURI, true /* report */,
false /* allowIfInheritsPrinciple */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
////////////////////////////////////////////
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(scope);
if (!domainInfo) {
return NS_ERROR_FAILURE;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
domainInfo->GetRegistration(scope);
if (!registration) {
return NS_ERROR_FAILURE;
}
nsRefPtr<ServiceWorkerInfo> info;
if (aWhichWorker == WhichServiceWorker::INSTALLING_WORKER) {
info = registration->mInstallingWorker;
} else if (aWhichWorker == WhichServiceWorker::WAITING_WORKER) {
info = registration->mWaitingWorker;
} else if (aWhichWorker == WhichServiceWorker::ACTIVE_WORKER) {
info = registration->mActiveWorker;
} else {
MOZ_CRASH("Invalid worker type");
}
if (!info) {
return NS_ERROR_DOM_NOT_FOUND_ERR;
}
nsRefPtr<ServiceWorker> serviceWorker;
rv = CreateServiceWorkerForWindow(window,
info->ScriptSpec(),
registration->mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker->SetState(info->State());
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
/*
* The .controller is for the registration associated with the document when
* the document was loaded.
*/
NS_IMETHODIMP
ServiceWorkerManager::GetDocumentController(nsIDOMWindow* aWindow, nsISupports** aServiceWorker)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
MOZ_ASSERT(window);
if (!window || !window->GetExtantDoc()) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(doc);
if (!domainInfo) {
return NS_ERROR_FAILURE;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
if (!domainInfo->mControlledDocuments.Get(doc, getter_AddRefs(registration))) {
return NS_ERROR_FAILURE;
}
// If the document is controlled, the current worker MUST be non-null.
if (!registration->mActiveWorker) {
return NS_ERROR_NOT_AVAILABLE;
}
nsRefPtr<ServiceWorker> serviceWorker;
nsresult rv = CreateServiceWorkerForWindow(window,
registration->mActiveWorker->ScriptSpec(),
registration->mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::GetInstalling(nsIDOMWindow* aWindow,
const nsAString& aScope,
nsISupports** aServiceWorker)
{
return GetServiceWorkerForScope(aWindow, aScope,
WhichServiceWorker::INSTALLING_WORKER,
aServiceWorker);
}
NS_IMETHODIMP
ServiceWorkerManager::GetWaiting(nsIDOMWindow* aWindow,
const nsAString& aScope,
nsISupports** aServiceWorker)
{
return GetServiceWorkerForScope(aWindow, aScope,
WhichServiceWorker::WAITING_WORKER,
aServiceWorker);
}
NS_IMETHODIMP
ServiceWorkerManager::GetActive(nsIDOMWindow* aWindow,
const nsAString& aScope,
nsISupports** aServiceWorker)
{
return GetServiceWorkerForScope(aWindow, aScope,
WhichServiceWorker::ACTIVE_WORKER,
aServiceWorker);
}
NS_IMETHODIMP
ServiceWorkerManager::CreateServiceWorker(const nsACString& aScriptSpec,
const nsACString& aScope,
ServiceWorker** aServiceWorker)
{
AssertIsOnMainThread();
WorkerPrivate::LoadInfo info;
nsresult rv = NS_NewURI(getter_AddRefs(info.mBaseURI), aScriptSpec, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
info.mResolvedScriptURI = info.mBaseURI;
rv = info.mBaseURI->GetHost(info.mDomain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// FIXME(nsm): Create correct principal based on app-ness.
// Would it make sense to store the nsIPrincipal of the first register() in
// the ServiceWorkerRegistrationInfo and use that?
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
rv = ssm->GetNoAppCodebasePrincipal(info.mBaseURI, getter_AddRefs(info.mPrincipal));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// NOTE: this defaults the SW load context to:
// - private browsing = false
// - content = true
// - use remote tabs = false
// Alternatively we could persist the original load group values and use
// them here.
rv = NS_NewLoadGroup(getter_AddRefs(info.mLoadGroup), info.mPrincipal);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorker> serviceWorker;
RuntimeService* rs = RuntimeService::GetService();
if (!rs) {
return NS_ERROR_FAILURE;
}
AutoJSAPI jsapi;
jsapi.Init();
rv = rs->CreateServiceWorkerFromLoadInfo(jsapi.cx(), &info,
NS_ConvertUTF8toUTF16(aScriptSpec),
aScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
void
ServiceWorkerManager::InvalidateServiceWorkerRegistrationWorker(ServiceWorkerRegistrationInfo* aRegistration,
WhichServiceWorker aWhichOnes)
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerDomainInfo> domainInfo =
GetDomainInfo(aRegistration->mScriptSpec);
if (domainInfo) {
nsTObserverArray<ServiceWorkerRegistration*>::ForwardIterator it(domainInfo->mServiceWorkerRegistrations);
while (it.HasMore()) {
nsRefPtr<ServiceWorkerRegistration> target = it.GetNext();
nsAutoString regScope;
target->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
NS_ConvertUTF16toUTF8 utf8Scope(regScope);
if (utf8Scope.Equals(aRegistration->mScope)) {
target->InvalidateWorkerReference(aWhichOnes);
}
}
}
}
NS_IMETHODIMP
ServiceWorkerManager::Update(const nsAString& aScope)
{
NS_ConvertUTF16toUTF8 scope(aScope);
nsRefPtr<ServiceWorkerManager::ServiceWorkerDomainInfo> domainInfo =
GetDomainInfo(scope);
if (NS_WARN_IF(!domainInfo)) {
return NS_OK;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
domainInfo->mServiceWorkerRegistrationInfos.Get(scope,
getter_AddRefs(registration));
if (NS_WARN_IF(!registration)) {
return NS_OK;
}
// FIXME(nsm): Bug 1089889 Refactor this into SoftUpdate.
if (registration->mPendingUninstall) {
return NS_OK;
}
if (registration->mInstallingWorker) {
return NS_OK;
}
ServiceWorkerJobQueue* queue = domainInfo->GetOrCreateJobQueue(scope);
MOZ_ASSERT(queue);
nsRefPtr<ServiceWorkerUpdateFinishCallback> cb =
new ServiceWorkerUpdateFinishCallback();
nsRefPtr<ServiceWorkerRegisterJob> job
= new ServiceWorkerRegisterJob(queue, registration, cb);
queue->Append(job);
return NS_OK;
}
namespace {
class MOZ_STACK_CLASS FilterRegistrationData
{
public:
FilterRegistrationData(nsTArray<uint64_t>* aDocuments,
ServiceWorkerRegistrationInfo* aRegistration)
: mDocuments(aDocuments),
mRegistration(aRegistration)
{
}
nsTArray<uint64_t>* mDocuments;
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
};
static PLDHashOperator
EnumControlledDocuments(nsISupports* aKey,
ServiceWorkerRegistrationInfo* aRegistration,
void* aData)
{
FilterRegistrationData* data = static_cast<FilterRegistrationData*>(aData);
if (data->mRegistration != aRegistration) {
return PL_DHASH_NEXT;
}
nsCOMPtr<nsIDocument> document = do_QueryInterface(aKey);
if (!document || !document->GetInnerWindow()) {
return PL_DHASH_NEXT;
}
data->mDocuments->AppendElement(document->GetInnerWindow()->WindowID());
return PL_DHASH_NEXT;
}
static PLDHashOperator
FireControllerChangeOnMatchingDocument(nsISupports* aKey,
ServiceWorkerRegistrationInfo* aValue,
void* aData)
{
AssertIsOnMainThread();
ServiceWorkerRegistrationInfo* contextReg = static_cast<ServiceWorkerRegistrationInfo*>(aData);
if (aValue != contextReg) {
return PL_DHASH_NEXT;
}
nsCOMPtr<nsIDocument> doc = do_QueryInterface(aKey);
if (NS_WARN_IF(!doc)) {
return PL_DHASH_NEXT;
}
nsCOMPtr<nsPIDOMWindow> w = doc->GetWindow();
MOZ_ASSERT(w);
auto* window = static_cast<nsGlobalWindow*>(w.get());
if (NS_WARN_IF(!window)) {
NS_WARNING("No valid nsGlobalWindow");
return PL_DHASH_NEXT;
}
ErrorResult result;
dom::Navigator* navigator = window->GetNavigator(result);
if (NS_WARN_IF(result.Failed())) {
return PL_DHASH_NEXT;
}
nsRefPtr<ServiceWorkerContainer> container = navigator->ServiceWorker();
result = container->DispatchTrustedEvent(NS_LITERAL_STRING("controllerchange"));
if (result.Failed()) {
NS_WARNING("Failed to dispatch controllerchange event");
}
return PL_DHASH_NEXT;
}
} // anonymous namespace
void
ServiceWorkerManager::GetServicedClients(const nsCString& aScope,
nsTArray<uint64_t>* aControlledDocuments)
{
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aScope);
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
domainInfo->GetRegistration(aScope);
if (!registration) {
// The registration was removed, leave the array empty.
return;
}
FilterRegistrationData data(aControlledDocuments, registration);
domainInfo->mControlledDocuments.EnumerateRead(EnumControlledDocuments,
&data);
}
void
ServiceWorkerManager::FireControllerChange(ServiceWorkerRegistrationInfo* aRegistration)
{
nsRefPtr<ServiceWorkerDomainInfo> domainInfo = GetDomainInfo(aRegistration->mScope);
MOZ_ASSERT(domainInfo);
domainInfo->mControlledDocuments.EnumerateRead(FireControllerChangeOnMatchingDocument,
aRegistration);
}
END_WORKERS_NAMESPACE
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