gecko-dev/dom/workers/ServiceWorkerManager.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 "ServiceWorkerManager.h"
#include "nsIAppsService.h"
#include "nsIDOMEventTarget.h"
#include "nsIDocument.h"
#include "nsIScriptSecurityManager.h"
#include "nsIStreamLoader.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
#include "nsIHttpHeaderVisitor.h"
#include "nsIJARChannel.h"
#include "nsINetworkInterceptController.h"
#include "nsIMutableArray.h"
#include "nsIUploadChannel2.h"
#include "nsPIDOMWindow.h"
#include "nsScriptLoader.h"
#include "nsDebug.h"
#include "jsapi.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/ErrorNames.h"
#include "mozilla/LoadContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DOMError.h"
#include "mozilla/dom/ErrorEvent.h"
#include "mozilla/dom/Headers.h"
#include "mozilla/dom/InternalHeaders.h"
#include "mozilla/dom/Navigator.h"
#include "mozilla/dom/PromiseNativeHandler.h"
#include "mozilla/dom/Request.h"
#include "mozilla/dom/RootedDictionary.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "mozilla/unused.h"
#include "nsContentUtils.h"
#include "nsGlobalWindow.h"
#include "nsNetUtil.h"
#include "nsProxyRelease.h"
#include "nsQueryObject.h"
#include "nsTArray.h"
#include "RuntimeService.h"
#include "ServiceWorker.h"
#include "ServiceWorkerClient.h"
#include "ServiceWorkerContainer.h"
#include "ServiceWorkerRegistrar.h"
#include "ServiceWorkerRegistration.h"
#include "ServiceWorkerScriptCache.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;
using namespace mozilla::ipc;
BEGIN_WORKERS_NAMESPACE
#define PURGE_DOMAIN_DATA "browser:purge-domain-data"
#define PURGE_SESSION_HISTORY "browser:purge-session-history"
static_assert(nsIHttpChannelInternal::CORS_MODE_SAME_ORIGIN == static_cast<uint32_t>(RequestMode::Same_origin),
"RequestMode enumeration value should match Necko CORS mode value.");
static_assert(nsIHttpChannelInternal::CORS_MODE_NO_CORS == static_cast<uint32_t>(RequestMode::No_cors),
"RequestMode enumeration value should match Necko CORS mode value.");
static_assert(nsIHttpChannelInternal::CORS_MODE_CORS == static_cast<uint32_t>(RequestMode::Cors),
"RequestMode enumeration value should match Necko CORS mode value.");
static_assert(nsIHttpChannelInternal::CORS_MODE_CORS_WITH_FORCED_PREFLIGHT == static_cast<uint32_t>(RequestMode::Cors_with_forced_preflight),
"RequestMode enumeration value should match Necko CORS mode value.");
static StaticRefPtr<ServiceWorkerManager> gInstance;
struct ServiceWorkerManager::RegistrationDataPerPrincipal
{
// Ordered list of scopes for glob matching.
// Each entry is an absolute URL representing the scope.
// Each value of the hash table is an array of an absolute URLs representing
// the scopes.
//
// An array is used for now since the number of controlled scopes per
// domain is expected to be relatively low. If that assumption was proved
// wrong this should be replaced with a better structure to avoid the
// memmoves associated with inserting stuff in the middle of the array.
nsTArray<nsCString> mOrderedScopes;
// Scope to registration.
// The scope should be a fully qualified valid URL.
nsRefPtrHashtable<nsCStringHashKey, ServiceWorkerRegistrationInfo> mInfos;
// Maps scopes to job queues.
nsClassHashtable<nsCStringHashKey, ServiceWorkerJobQueue> mJobQueues;
nsDataHashtable<nsCStringHashKey, bool> mSetOfScopesBeingUpdated;
};
struct ServiceWorkerManager::PendingOperation
{
nsCOMPtr<nsIRunnable> mRunnable;
ServiceWorkerJobQueue* mQueue;
nsRefPtr<ServiceWorkerJob> mJob;
ServiceWorkerRegistrationData mRegistration;
};
class ServiceWorkerJob : public nsISupports
{
protected:
// The queue keeps the jobs alive, so they can hold a rawptr back to the
// queue.
ServiceWorkerJobQueue* mQueue;
public:
NS_DECL_ISUPPORTS
virtual void Start() = 0;
virtual bool
IsRegisterJob() const { return false; }
protected:
explicit ServiceWorkerJob(ServiceWorkerJobQueue* aQueue)
: mQueue(aQueue)
{
}
virtual ~ServiceWorkerJob()
{ }
void
Done(nsresult aStatus);
};
class ServiceWorkerJobQueue final
{
friend class ServiceWorkerJob;
nsTArray<nsRefPtr<ServiceWorkerJob>> mJobs;
const nsCString mOriginAttributesSuffix;
bool mPopping;
public:
explicit ServiceWorkerJobQueue(const nsACString& aScopeKey)
: mOriginAttributesSuffix(aScopeKey)
, mPopping(false)
{}
~ServiceWorkerJobQueue()
{
if (!mJobs.IsEmpty()) {
NS_WARNING("Pending/running jobs still around on shutdown!");
}
}
void
Append(ServiceWorkerJob* aJob)
{
MOZ_ASSERT(aJob);
MOZ_ASSERT(!mJobs.Contains(aJob));
bool wasEmpty = mJobs.IsEmpty();
mJobs.AppendElement(aJob);
if (wasEmpty) {
aJob->Start();
}
}
void
CancelJobs();
// Only used by HandleError, keep it that way!
ServiceWorkerJob*
Peek()
{
if (mJobs.IsEmpty()) {
return nullptr;
}
return mJobs[0];
}
private:
void
Pop()
{
MOZ_ASSERT(!mPopping,
"Pop() called recursively, did you write a job which calls Done() synchronously from Start()?");
AutoRestore<bool> savePopping(mPopping);
mPopping = true;
MOZ_ASSERT(!mJobs.IsEmpty());
mJobs.RemoveElementAt(0);
if (!mJobs.IsEmpty()) {
mJobs[0]->Start();
} else {
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
swm->MaybeRemoveRegistrationInfo(mOriginAttributesSuffix);
}
}
void
Done(ServiceWorkerJob* aJob)
{
MOZ_ASSERT(!mJobs.IsEmpty());
MOZ_ASSERT(mJobs[0] == aJob);
Pop();
}
};
namespace {
nsresult
PopulateRegistrationData(nsIPrincipal* aPrincipal,
const ServiceWorkerRegistrationInfo* aRegistration,
ServiceWorkerRegistrationData& aData)
{
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aRegistration);
if (NS_WARN_IF(!BasePrincipal::Cast(aPrincipal)->IsCodebasePrincipal())) {
return NS_ERROR_FAILURE;
}
nsresult rv = PrincipalToPrincipalInfo(aPrincipal, &aData.principal());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
aData.scope() = aRegistration->mScope;
aData.scriptSpec() = aRegistration->mScriptSpec;
if (aRegistration->mActiveWorker) {
aData.currentWorkerURL() = aRegistration->mActiveWorker->ScriptSpec();
aData.activeCacheName() = aRegistration->mActiveWorker->CacheName();
}
if (aRegistration->mWaitingWorker) {
aData.waitingCacheName() = aRegistration->mWaitingWorker->CacheName();
}
return NS_OK;
}
} // Anonymous namespace
NS_IMPL_ISUPPORTS0(ServiceWorkerJob)
NS_IMPL_ISUPPORTS0(ServiceWorkerRegistrationInfo)
void
ServiceWorkerJob::Done(nsresult aStatus)
{
if (NS_WARN_IF(NS_FAILED(aStatus))) {
#ifdef DEBUG
nsAutoCString errorName;
GetErrorName(aStatus, errorName);
#endif
NS_WARNING(nsPrintfCString("ServiceWorkerJob failed with error: %s\n",
errorName.get()).get());
}
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);
nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
mWaitingWorker->CacheName());
if (NS_FAILED(rv)) {
NS_WARNING("Failed to purge the waiting cache.");
}
mWaitingWorker = nullptr;
}
if (mActiveWorker) {
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
mActiveWorker->CacheName());
if (NS_FAILED(rv)) {
NS_WARNING("Failed to purge the active cache.");
}
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,
nsIPrincipal* aPrincipal)
: mControlledDocumentsCounter(0)
, mScope(aScope)
, mPrincipal(aPrincipal)
, 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.");
}
}
//////////////////////////
// ServiceWorkerManager //
//////////////////////////
NS_IMPL_ADDREF(ServiceWorkerManager)
NS_IMPL_RELEASE(ServiceWorkerManager)
NS_INTERFACE_MAP_BEGIN(ServiceWorkerManager)
NS_INTERFACE_MAP_ENTRY(nsIServiceWorkerManager)
NS_INTERFACE_MAP_ENTRY(nsIIPCBackgroundChildCreateCallback)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIServiceWorkerManager)
NS_INTERFACE_MAP_END
ServiceWorkerManager::ServiceWorkerManager()
: mActor(nullptr)
{
// Register this component to PBackground.
MOZ_ALWAYS_TRUE(BackgroundChild::GetOrCreateForCurrentThread(this));
}
ServiceWorkerManager::~ServiceWorkerManager()
{
// The map will assert if it is not empty when destroyed.
mRegistrationInfos.Clear();
}
void
ServiceWorkerManager::Init()
{
if (XRE_GetProcessType() == GeckoProcessType_Default) {
nsRefPtr<ServiceWorkerRegistrar> swr = ServiceWorkerRegistrar::Get();
MOZ_ASSERT(swr);
nsTArray<ServiceWorkerRegistrationData> data;
swr->GetRegistrations(data);
LoadRegistrations(data);
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
DebugOnly<nsresult> rv;
rv = obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false /* ownsWeak */);
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = obs->AddObserver(this, PURGE_SESSION_HISTORY, false /* ownsWeak */);
MOZ_ASSERT(NS_SUCCEEDED(rv));
rv = obs->AddObserver(this, PURGE_DOMAIN_DATA, false /* ownsWeak */);
MOZ_ASSERT(NS_SUCCEEDED(rv));
}
}
}
class ContinueLifecycleTask : public nsISupports
{
NS_DECL_ISUPPORTS
protected:
virtual ~ContinueLifecycleTask()
{ }
public:
virtual void ContinueAfterWorkerEvent(bool aSuccess,
bool aActivateImmediately) = 0;
};
NS_IMPL_ISUPPORTS0(ContinueLifecycleTask);
class ServiceWorkerRegisterJob;
class ContinueInstallTask final : public ContinueLifecycleTask
{
nsRefPtr<ServiceWorkerRegisterJob> mJob;
public:
explicit ContinueInstallTask(ServiceWorkerRegisterJob* aJob)
: mJob(aJob)
{ }
void ContinueAfterWorkerEvent(bool aSuccess, bool aActivateImmediately) override;
};
class ContinueActivateTask final : public ContinueLifecycleTask
{
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
public:
explicit ContinueActivateTask(ServiceWorkerRegistrationInfo* aReg)
: mRegistration(aReg)
{ }
void
ContinueAfterWorkerEvent(bool aSuccess, bool aActivateImmediately /* unused */) override;
};
class ContinueLifecycleRunnable final : public nsRunnable
{
nsMainThreadPtrHandle<ContinueLifecycleTask> mTask;
bool mSuccess;
bool mActivateImmediately;
public:
ContinueLifecycleRunnable(const nsMainThreadPtrHandle<ContinueLifecycleTask>& aTask,
bool aSuccess,
bool aActivateImmediately)
: mTask(aTask)
, mSuccess(aSuccess)
, mActivateImmediately(aActivateImmediately)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD
Run() override
{
AssertIsOnMainThread();
mTask->ContinueAfterWorkerEvent(mSuccess, mActivateImmediately);
return NS_OK;
}
};
/*
* 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 LifecycleEventWorkerRunnable final : public WorkerRunnable
{
nsString mEventName;
const nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
const nsMainThreadPtrHandle<ContinueLifecycleTask> mTask;
public:
LifecycleEventWorkerRunnable(nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker,
const nsString& aEventName,
const nsMainThreadPtrHandle<ContinueLifecycleTask>& aTask)
: WorkerRunnable(aServiceWorker->GetWorkerPrivate(), WorkerThreadModifyBusyCount)
, mEventName(aEventName)
, mServiceWorker(aServiceWorker)
, mTask(aTask)
{
AssertIsOnMainThread();
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
MOZ_ASSERT(aWorkerPrivate);
return DispatchLifecycleEvent(aCx, aWorkerPrivate);
}
private:
bool
DispatchLifecycleEvent(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 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) override
{
nsRefPtr<ServiceWorkerRegistrationMainThread> swr =
new ServiceWorkerRegistrationMainThread(mWindow,
NS_ConvertUTF8toUTF16(aInfo->mScope));
mPromise->MaybeResolve(swr);
}
void
UpdateFailed(nsresult aStatus) override
{
mPromise->MaybeReject(aStatus);
}
void
UpdateFailed(const ErrorEventInit& aErrorDesc) override
{
AutoJSAPI jsapi;
jsapi.Init(mWindow);
JSContext* cx = jsapi.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, nullptr, 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 final : public nsRunnable
{
nsMainThreadPtrHandle<nsISupports> mJob;
public:
explicit ContinueUpdateRunnable(const nsMainThreadPtrHandle<nsISupports> aJob)
: mJob(aJob)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD Run();
};
class CheckWorkerEvaluationAndContinueUpdateWorkerRunnable final : public WorkerRunnable
{
const nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
const nsMainThreadPtrHandle<nsISupports> mJob;
public:
CheckWorkerEvaluationAndContinueUpdateWorkerRunnable(nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker,
const nsMainThreadPtrHandle<nsISupports> aJob)
: WorkerRunnable(aServiceWorker->GetWorkerPrivate(), WorkerThreadUnchangedBusyCount)
, mServiceWorker(aServiceWorker)
, mJob(aJob)
{
AssertIsOnMainThread();
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
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;
}
};
namespace {
/**
* The spec mandates slightly different behaviors for computing the scope
* prefix string in case a Service-Worker-Allowed header is specified versus
* when it's not available.
*
* With the header:
* "Set maxScopeString to "/" concatenated with the strings in maxScope's
* path (including empty strings), separated from each other by "/"."
* Without the header:
* "Set maxScopeString to "/" concatenated with the strings, except the last
* string that denotes the script's file name, in registration's registering
* script url's path (including empty strings), separated from each other by
* "/"."
*
* In simpler terms, if the header is not present, we should only use the
* "directory" part of the pathname, and otherwise the entire pathname should be
* used. ScopeStringPrefixMode allows the caller to specify the desired
* behavior.
*/
enum ScopeStringPrefixMode {
eUseDirectory,
eUsePath
};
nsresult
GetRequiredScopeStringPrefix(nsIURI* aScriptURI, nsACString& aPrefix,
ScopeStringPrefixMode aPrefixMode)
{
nsresult rv = aScriptURI->GetPrePath(aPrefix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (aPrefixMode == eUseDirectory) {
nsCOMPtr<nsIURL> scriptURL(do_QueryInterface(aScriptURI));
if (NS_WARN_IF(!scriptURL)) {
return NS_ERROR_FAILURE;
}
nsAutoCString dir;
rv = scriptURL->GetDirectory(dir);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
aPrefix.Append(dir);
} else if (aPrefixMode == eUsePath) {
nsAutoCString path;
rv = aScriptURI->GetPath(path);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
aPrefix.Append(path);
} else {
MOZ_ASSERT_UNREACHABLE("Invalid value for aPrefixMode");
}
return NS_OK;
}
} // anonymous namespace
class ServiceWorkerRegisterJob final : public ServiceWorkerJob,
public serviceWorkerScriptCache::CompareCallback
{
friend class ContinueInstallTask;
nsCString mScope;
nsCString mScriptSpec;
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
nsRefPtr<ServiceWorkerUpdateFinishCallback> mCallback;
nsCOMPtr<nsIPrincipal> mPrincipal;
nsRefPtr<ServiceWorkerInfo> mUpdateAndInstallInfo;
~ServiceWorkerRegisterJob()
{ }
enum
{
REGISTER_JOB = 0,
UPDATE_JOB = 1,
} mJobType;
bool mCanceled;
public:
NS_DECL_ISUPPORTS_INHERITED
// [[Register]]
ServiceWorkerRegisterJob(ServiceWorkerJobQueue* aQueue,
const nsCString& aScope,
const nsCString& aScriptSpec,
ServiceWorkerUpdateFinishCallback* aCallback,
nsIPrincipal* aPrincipal)
: ServiceWorkerJob(aQueue)
, mScope(aScope)
, mScriptSpec(aScriptSpec)
, mCallback(aCallback)
, mPrincipal(aPrincipal)
, mJobType(REGISTER_JOB)
, mCanceled(false)
{ }
// [[Update]]
ServiceWorkerRegisterJob(ServiceWorkerJobQueue* aQueue,
ServiceWorkerRegistrationInfo* aRegistration,
ServiceWorkerUpdateFinishCallback* aCallback)
: ServiceWorkerJob(aQueue)
, mRegistration(aRegistration)
, mCallback(aCallback)
, mJobType(UPDATE_JOB)
, mCanceled(false)
{ }
bool
IsRegisterJob() const override
{
return true;
}
void
Cancel()
{
mQueue = nullptr;
mCanceled = true;
}
void
Start() override
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mCanceled);
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm->HasBackgroundActor()) {
nsCOMPtr<nsIRunnable> runnable =
NS_NewRunnableMethod(this, &ServiceWorkerRegisterJob::Start);
swm->AppendPendingOperation(runnable);
return;
}
if (mJobType == REGISTER_JOB) {
mRegistration = swm->GetRegistration(mPrincipal, mScope);
if (mRegistration) {
nsRefPtr<ServiceWorkerInfo> newest = mRegistration->Newest();
if (newest && mScriptSpec.Equals(newest->ScriptSpec()) &&
mScriptSpec.Equals(mRegistration->mScriptSpec)) {
mRegistration->mPendingUninstall = false;
swm->StoreRegistration(mPrincipal, mRegistration);
Succeed();
Done(NS_OK);
return;
}
} else {
mRegistration = swm->CreateNewRegistration(mScope, mPrincipal);
}
mRegistration->mScriptSpec = mScriptSpec;
swm->StoreRegistration(mPrincipal, mRegistration);
} else {
MOZ_ASSERT(mJobType == UPDATE_JOB);
}
Update();
}
void
ComparisonResult(nsresult aStatus, bool aInCacheAndEqual,
const nsAString& aNewCacheName,
const nsACString& aMaxScope) override
{
nsRefPtr<ServiceWorkerRegisterJob> kungFuDeathGrip = this;
if (mCanceled) {
Fail(NS_ERROR_DOM_TYPE_ERR);
return;
}
if (NS_WARN_IF(NS_FAILED(aStatus))) {
Fail(NS_ERROR_DOM_TYPE_ERR);
return;
}
if (aInCacheAndEqual) {
Succeed();
Done(NS_OK);
return;
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsCOMPtr<nsIURI> scriptURI;
nsresult rv = NS_NewURI(getter_AddRefs(scriptURI), mRegistration->mScriptSpec);
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsCOMPtr<nsIURI> maxScopeURI;
if (!aMaxScope.IsEmpty()) {
rv = NS_NewURI(getter_AddRefs(maxScopeURI), aMaxScope,
nullptr, scriptURI);
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_SECURITY_ERR);
return;
}
}
nsAutoCString defaultAllowedPrefix;
rv = GetRequiredScopeStringPrefix(scriptURI, defaultAllowedPrefix,
eUseDirectory);
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsAutoCString maxPrefix(defaultAllowedPrefix);
if (maxScopeURI) {
rv = GetRequiredScopeStringPrefix(maxScopeURI, maxPrefix, eUsePath);
if (NS_WARN_IF(NS_FAILED(rv))) {
Fail(NS_ERROR_DOM_SECURITY_ERR);
return;
}
}
if (!StringBeginsWith(mRegistration->mScope, maxPrefix)) {
NS_WARNING("By default a service worker's scope is restricted to at or below it's script's location.");
Fail(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsAutoCString scopeKey;
rv = swm->PrincipalToScopeKey(mRegistration->mPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(NS_ERROR_FAILURE);
}
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
return Fail(NS_ERROR_FAILURE);
}
nsAutoString cacheName;
// We have to create a ServiceWorker here simply to ensure there are no
// errors. Ideally we should just pass this worker on to ContinueInstall.
MOZ_ASSERT(!data->mSetOfScopesBeingUpdated.Contains(mRegistration->mScope));
data->mSetOfScopesBeingUpdated.Put(mRegistration->mScope, true);
MOZ_ASSERT(!mUpdateAndInstallInfo);
mUpdateAndInstallInfo =
new ServiceWorkerInfo(mRegistration, mRegistration->mScriptSpec,
aNewCacheName);
nsRefPtr<ServiceWorker> serviceWorker;
rv = swm->CreateServiceWorker(mRegistration->mPrincipal,
mUpdateAndInstallInfo,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
data->mSetOfScopesBeingUpdated.Remove(mRegistration->mScope);
return Fail(NS_ERROR_DOM_ABORT_ERR);
}
nsRefPtr<ServiceWorkerJob> upcasted = this;
nsMainThreadPtrHandle<nsISupports> handle(
new nsMainThreadPtrHolder<nsISupports>(upcasted));
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(serviceWorker));
nsRefPtr<CheckWorkerEvaluationAndContinueUpdateWorkerRunnable> r =
new CheckWorkerEvaluationAndContinueUpdateWorkerRunnable(serviceWorkerHandle, handle);
AutoJSAPI jsapi;
jsapi.Init();
bool ok = r->Dispatch(jsapi.cx());
if (NS_WARN_IF(!ok)) {
data->mSetOfScopesBeingUpdated.Remove(mRegistration->mScope);
return Fail(NS_ERROR_DOM_ABORT_ERR);
}
}
// Public so our error handling code can use it.
// Callers MUST hold a strong ref before calling this!
void
Fail(const ErrorEventInit& aError)
{
MOZ_ASSERT(mCallback);
nsRefPtr<ServiceWorkerUpdateFinishCallback> callback = mCallback.forget();
// With cancellation support, we may only be running with one reference
// from another object like a stream loader or something.
// UpdateFailed may do something with that, so hold a ref to ourself since
// FailCommon relies on it.
// FailCommon does check for cancellation, but let's be safe here.
nsRefPtr<ServiceWorkerRegisterJob> kungFuDeathGrip = this;
callback->UpdateFailed(aError);
FailCommon(NS_ERROR_DOM_JS_EXCEPTION);
}
// Public so our error handling code can continue with a successful worker.
void
ContinueInstall()
{
// mRegistration will be null if we have already Fail()ed.
if (!mRegistration) {
return;
}
// Even if we are canceled, ensure integrity of mSetOfScopesBeingUpdated
// first.
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsAutoCString scopeKey;
nsresult rv = swm->PrincipalToScopeKey(mRegistration->mPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(NS_ERROR_FAILURE);
}
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
return Fail(NS_ERROR_FAILURE);
}
MOZ_ASSERT(data->mSetOfScopesBeingUpdated.Contains(mRegistration->mScope));
data->mSetOfScopesBeingUpdated.Remove(mRegistration->mScope);
// This is effectively the end of Step 4.3 of the [[Update]] algorithm.
// The invocation of [[Install]] is not part of the atomic block.
nsRefPtr<ServiceWorkerRegisterJob> kungFuDeathGrip = this;
if (mCanceled) {
return Fail(NS_ERROR_DOM_ABORT_ERR);
}
// Begin [[Install]] atomic step 4.
if (mRegistration->mInstallingWorker) {
// FIXME(nsm): Terminate and stuff
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
}
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER);
mRegistration->mInstallingWorker = mUpdateAndInstallInfo.forget();
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Installing);
Succeed();
// The job should NOT call fail from this point on.
// Step 4.6 "Queue a task..." for updatefound.
nsCOMPtr<nsIRunnable> upr =
NS_NewRunnableMethodWithArg<ServiceWorkerRegistrationInfo*>(
swm,
&ServiceWorkerManager::FireUpdateFoundOnServiceWorkerRegistrations,
mRegistration);
NS_DispatchToMainThread(upr);
nsRefPtr<ServiceWorker> serviceWorker;
rv = swm->CreateServiceWorker(mRegistration->mPrincipal,
mRegistration->mInstallingWorker,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
ContinueAfterInstallEvent(false /* aSuccess */, false /* aActivateImmediately */);
return;
}
nsMainThreadPtrHandle<ContinueLifecycleTask> handle(
new nsMainThreadPtrHolder<ContinueLifecycleTask>(new ContinueInstallTask(this)));
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(serviceWorker));
nsRefPtr<LifecycleEventWorkerRunnable> r =
new LifecycleEventWorkerRunnable(serviceWorkerHandle, NS_LITERAL_STRING("install"), handle);
AutoJSAPI jsapi;
jsapi.Init();
// This triggers Step 4.7 "Queue a task to run the following substeps..."
// which sends the install event to the worker.
r->Dispatch(jsapi.cx());
}
private:
void
Update()
{
// Since Update() is called synchronously from Start(), we can assert this.
MOZ_ASSERT(!mCanceled);
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();
nsRefPtr<ServiceWorkerRegisterJob> kungFuDeathGrip = this;
if (mCanceled) {
return Fail(NS_ERROR_DOM_ABORT_ERR);
}
if (mRegistration->mInstallingWorker) {
// FIXME(nsm): "Terminate installing worker".
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
mRegistration->mInstallingWorker = nullptr;
}
nsRefPtr<ServiceWorkerInfo> workerInfo = mRegistration->Newest();
nsAutoString cacheName;
// 9.2.20 If newestWorker is not null, and newestWorker's script url is
// equal to registration's registering script url and response is a
// byte-for-byte match with the script resource of newestWorker...
if (workerInfo && workerInfo->ScriptSpec().Equals(mRegistration->mScriptSpec)) {
cacheName = workerInfo->CacheName();
}
nsresult rv =
serviceWorkerScriptCache::Compare(mRegistration->mPrincipal, cacheName,
NS_ConvertUTF8toUTF16(mRegistration->mScriptSpec),
this);
if (NS_WARN_IF(NS_FAILED(rv))) {
return Fail(rv);
}
}
void
Succeed()
{
MOZ_ASSERT(mCallback);
mCallback->UpdateSucceeded(mRegistration);
mCallback = nullptr;
}
void
FailCommon(nsresult aRv)
{
mUpdateAndInstallInfo = nullptr;
if (mRegistration->mInstallingWorker) {
nsresult rv = serviceWorkerScriptCache::PurgeCache(mRegistration->mPrincipal,
mRegistration->mInstallingWorker->CacheName());
if (NS_FAILED(rv)) {
NS_WARNING("Failed to purge the installing worker cache.");
}
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->MaybeRemoveRegistration(mRegistration);
// Ensures that the job can't do anything useful from this point on.
mRegistration = nullptr;
unused << NS_WARN_IF(NS_FAILED(aRv));
Done(aRv);
}
// 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.
// Callers MUST hold a strong ref before calling this!
void
Fail(nsresult aRv)
{
MOZ_ASSERT(mCallback);
nsRefPtr<ServiceWorkerUpdateFinishCallback> callback = mCallback.forget();
// With cancellation support, we may only be running with one reference
// from another object like a stream loader or something.
// UpdateFailed may do something with that, so hold a ref to ourself since
// FailCommon relies on it.
// FailCommon does check for cancellation, but let's be safe here.
nsRefPtr<ServiceWorkerRegisterJob> kungFuDeathGrip = this;
callback->UpdateFailed(aRv);
FailCommon(aRv);
}
void
ContinueAfterInstallEvent(bool aInstallEventSuccess, bool aActivateImmediately)
{
if (mCanceled) {
return Done(NS_ERROR_DOM_ABORT_ERR);
}
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 (NS_WARN_IF(!aInstallEventSuccess)) {
mRegistration->mInstallingWorker->UpdateState(ServiceWorkerState::Redundant);
mRegistration->mInstallingWorker = nullptr;
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER);
swm->MaybeRemoveRegistration(mRegistration);
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);
nsresult rv = serviceWorkerScriptCache::PurgeCache(mRegistration->mPrincipal,
mRegistration->mWaitingWorker->CacheName());
if (NS_FAILED(rv)) {
NS_WARNING("Failed to purge the old waiting cache.");
}
}
mRegistration->mWaitingWorker = mRegistration->mInstallingWorker.forget();
mRegistration->mWaitingWorker->UpdateState(ServiceWorkerState::Installed);
swm->InvalidateServiceWorkerRegistrationWorker(mRegistration,
WhichServiceWorker::INSTALLING_WORKER | WhichServiceWorker::WAITING_WORKER);
// "If registration's waiting worker's skip waiting flag is set"
if (mRegistration->mWaitingWorker->SkipWaitingFlag()) {
mRegistration->PurgeActiveWorker();
}
Done(NS_OK);
// Activate() is invoked out of band of atomic.
mRegistration->TryToActivate();
}
};
NS_IMPL_ISUPPORTS_INHERITED0(ServiceWorkerRegisterJob, ServiceWorkerJob);
void
ServiceWorkerJobQueue::CancelJobs()
{
if (mJobs.IsEmpty()) {
return;
}
// We have to treat the first job specially. It is the running job and needs
// to be notified correctly.
nsRefPtr<ServiceWorkerJob> runningJob = mJobs[0];
// We can just let an Unregister job run to completion.
if (runningJob->IsRegisterJob()) {
ServiceWorkerRegisterJob* job = static_cast<ServiceWorkerRegisterJob*>(runningJob.get());
job->Cancel();
}
// Get rid of everything. Non-main thread objects may still be holding a ref
// to the running register job. Since we called Cancel() on it, the job's
// main thread functions will just exit.
mJobs.Clear();
}
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;
}
void
ContinueInstallTask::ContinueAfterWorkerEvent(bool aSuccess, bool aActivateImmediately)
{
// This does not start the job immediately if there are other jobs in the
// queue, which captures the "atomic" behaviour we want.
mJob->ContinueAfterInstallEvent(aSuccess, aActivateImmediately);
}
// If we return an error code here, the ServiceWorkerContainer will
// automatically reject the Promise.
NS_IMETHODIMP
ServiceWorkerManager::Register(nsIDOMWindow* aWindow,
nsIURI* aScopeURI,
nsIURI* aScriptURI,
nsISupports** aPromise)
{
AssertIsOnMainThread();
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
MOZ_ASSERT(window);
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
// Don't allow service workers to register when the *document* is chrome for
// now.
MOZ_ASSERT(!nsContentUtils::IsSystemPrincipal(doc->NodePrincipal()));
nsCOMPtr<nsPIDOMWindow> outerWindow = window->GetOuterWindow();
bool serviceWorkersTestingEnabled =
outerWindow->GetServiceWorkersTestingEnabled();
nsCOMPtr<nsIURI> documentURI = doc->GetBaseURI();
bool authenticatedOrigin = false;
if (Preferences::GetBool("dom.serviceWorkers.testing.enabled") ||
serviceWorkersTestingEnabled) {
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;
}
}
}
// Data URLs are not allowed.
nsCOMPtr<nsIPrincipal> documentPrincipal = doc->NodePrincipal();
rv = documentPrincipal->CheckMayLoad(aScriptURI, true /* report */,
false /* allowIfInheritsPrincipal */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
rv = documentPrincipal->CheckMayLoad(aScopeURI, true /* report */,
false /* allowIfInheritsPrinciple */);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCString cleanedScope;
rv = aScopeURI->GetSpecIgnoringRef(cleanedScope);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_FAILURE;
}
nsAutoCString spec;
rv = aScriptURI->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.StealNSResult();
}
nsAutoCString originSuffix;
rv = PrincipalToScopeKey(documentPrincipal, originSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
ServiceWorkerJobQueue* queue = GetOrCreateJobQueue(originSuffix, cleanedScope);
MOZ_ASSERT(queue);
nsRefPtr<ServiceWorkerResolveWindowPromiseOnUpdateCallback> cb =
new ServiceWorkerResolveWindowPromiseOnUpdateCallback(window, promise);
nsRefPtr<ServiceWorkerRegisterJob> job =
new ServiceWorkerRegisterJob(queue, cleanedScope, spec, cb, documentPrincipal);
queue->Append(job);
promise.forget(aPromise);
return NS_OK;
}
void
ServiceWorkerManager::AppendPendingOperation(ServiceWorkerJobQueue* aQueue,
ServiceWorkerJob* aJob)
{
MOZ_ASSERT(!mActor);
MOZ_ASSERT(aQueue);
MOZ_ASSERT(aJob);
PendingOperation* opt = mPendingOperations.AppendElement();
opt->mQueue = aQueue;
opt->mJob = aJob;
}
void
ServiceWorkerManager::AppendPendingOperation(nsIRunnable* aRunnable)
{
MOZ_ASSERT(!mActor);
MOZ_ASSERT(aRunnable);
PendingOperation* opt = mPendingOperations.AppendElement();
opt->mRunnable = aRunnable;
}
/*
* Used to handle ExtendableEvent::waitUntil() and proceed with
* installation/activation.
*/
class LifecycleEventPromiseHandler final : public PromiseNativeHandler
{
nsMainThreadPtrHandle<ContinueLifecycleTask> mTask;
nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
bool mActivateImmediately;
virtual
~LifecycleEventPromiseHandler()
{ }
public:
LifecycleEventPromiseHandler(const nsMainThreadPtrHandle<ContinueLifecycleTask>& aTask,
const nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker,
bool aActivateImmediately)
: mTask(aTask)
, mServiceWorker(aServiceWorker)
, mActivateImmediately(aActivateImmediately)
{
MOZ_ASSERT(!NS_IsMainThread());
}
void
ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<ContinueLifecycleRunnable> r =
new ContinueLifecycleRunnable(mTask, true /* success */, mActivateImmediately);
NS_DispatchToMainThread(r);
}
void
RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<ContinueLifecycleRunnable> r =
new ContinueLifecycleRunnable(mTask, false /* success */, mActivateImmediately);
NS_DispatchToMainThread(r);
JS::Rooted<JSObject*> obj(aCx, workerPrivate->GlobalScope()->GetWrapper());
JS::ExposeValueToActiveJS(aValue);
js::ErrorReport report(aCx);
if (NS_WARN_IF(!report.init(aCx, aValue))) {
JS_ClearPendingException(aCx);
return;
}
nsRefPtr<xpc::ErrorReport> xpcReport = new xpc::ErrorReport();
xpcReport->Init(report.report(), report.message(), /* aIsChrome = */ false, /* aWindowID = */ 0);
nsRefPtr<AsyncErrorReporter> aer =
new AsyncErrorReporter(CycleCollectedJSRuntime::Get()->Runtime(), xpcReport);
NS_DispatchToMainThread(aer);
}
};
bool
LifecycleEventWorkerRunnable::DispatchLifecycleEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
aWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
nsRefPtr<ExtendableEvent> event;
nsRefPtr<EventTarget> target = aWorkerPrivate->GlobalScope();
if (mEventName.EqualsASCII("install") || mEventName.EqualsASCII("activate")) {
// FIXME(nsm): Bug 982787 pass previous active worker.
ExtendableEventInit init;
init.mBubbles = false;
init.mCancelable = true;
event = ExtendableEvent::Constructor(target, mEventName, init);
} else {
MOZ_CRASH("Unexpected lifecycle event");
}
event->SetTrusted(true);
nsRefPtr<Promise> waitUntilPromise;
ErrorResult result;
result = target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
nsCOMPtr<nsIGlobalObject> sgo = aWorkerPrivate->GlobalScope();
WidgetEvent* internalEvent = event->GetInternalNSEvent();
if (!result.Failed() && !internalEvent->mFlags.mExceptionHasBeenRisen) {
waitUntilPromise = event->GetPromise();
if (!waitUntilPromise) {
ErrorResult result;
waitUntilPromise =
Promise::Resolve(sgo, aCx, JS::UndefinedHandleValue, result);
if (NS_WARN_IF(result.Failed())) {
return true;
}
}
} else {
// Continue with a canceled install.
// Although the spec has different routines to deal with popping stuff
// off it's internal queues, we can reuse the ContinueAfterInstallEvent()
// logic.
nsRefPtr<ContinueLifecycleRunnable> r =
new ContinueLifecycleRunnable(mTask, false /* success */, false /* activate immediately */);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(NS_DispatchToMainThread(r)));
return true;
}
nsRefPtr<LifecycleEventPromiseHandler> handler =
new LifecycleEventPromiseHandler(mTask, mServiceWorker, false /* activateImmediately */);
waitUntilPromise->AppendNativeHandler(handler);
return true;
}
void
ServiceWorkerRegistrationInfo::TryToActivate()
{
if (!IsControllingDocuments() || mWaitingWorker->SkipWaitingFlag()) {
Activate();
}
}
void
ContinueActivateTask::ContinueAfterWorkerEvent(bool aSuccess, bool aActivateImmediately /* unused */)
{
mRegistration->FinishActivate(aSuccess);
}
void
ServiceWorkerRegistrationInfo::PurgeActiveWorker()
{
nsRefPtr<ServiceWorkerInfo> exitingWorker = mActiveWorker.forget();
if (!exitingWorker)
return;
// FIXME(jaoo): Bug 1170543 - Wait for exitingWorker to finish and terminate it.
exitingWorker->UpdateState(ServiceWorkerState::Redundant);
nsresult rv = serviceWorkerScriptCache::PurgeCache(mPrincipal,
exitingWorker->CacheName());
if (NS_FAILED(rv)) {
NS_WARNING("Failed to purge the activating cache.");
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->InvalidateServiceWorkerRegistrationWorker(this, WhichServiceWorker::ACTIVE_WORKER);
}
void
ServiceWorkerRegistrationInfo::Activate()
{
nsRefPtr<ServiceWorkerInfo> activatingWorker = mWaitingWorker;
if (!activatingWorker) {
return;
}
PurgeActiveWorker();
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->InvalidateServiceWorkerRegistrationWorker(this, WhichServiceWorker::WAITING_WORKER);
mActiveWorker = activatingWorker.forget();
mWaitingWorker = nullptr;
mActiveWorker->UpdateState(ServiceWorkerState::Activating);
// FIXME(nsm): Unlink appcache if there is one.
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);
MOZ_ASSERT(mActiveWorker);
nsRefPtr<ServiceWorker> serviceWorker;
nsresult rv =
swm->CreateServiceWorker(mPrincipal,
mActiveWorker,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
nsCOMPtr<nsIRunnable> r =
NS_NewRunnableMethodWithArg<bool>(this,
&ServiceWorkerRegistrationInfo::FinishActivate,
false /* success */);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(NS_DispatchToMainThread(r)));
return;
}
nsMainThreadPtrHandle<ContinueLifecycleTask> handle(
new nsMainThreadPtrHolder<ContinueLifecycleTask>(new ContinueActivateTask(this)));
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(serviceWorker));
nsRefPtr<LifecycleEventWorkerRunnable> r =
new LifecycleEventWorkerRunnable(serviceWorkerHandle, NS_LITERAL_STRING("activate"), 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<ServiceWorkerRegistrationMainThread>> array;
if (NS_WARN_IF(!BasePrincipal::Cast(principal)->IsCodebasePrincipal())) {
return NS_OK;
}
nsAutoCString scopeKey;
nsresult rv = swm->PrincipalToScopeKey(principal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
mPromise->MaybeResolve(array);
return NS_OK;
}
for (uint32_t i = 0; i < data->mOrderedScopes.Length(); ++i) {
NS_ConvertUTF8toUTF16 scope(data->mOrderedScopes[i]);
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), scope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
mPromise->MaybeReject(rv);
break;
}
rv = principal->CheckMayLoad(scopeURI, true /* report */,
false /* allowIfInheritsPrincipal */);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsRefPtr<ServiceWorkerRegistrationMainThread> swr =
new ServiceWorkerRegistrationMainThread(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);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
MOZ_ASSERT(window);
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
// Don't allow service workers to register when the *document* is chrome for
// now.
MOZ_ASSERT(!nsContentUtils::IsSystemPrincipal(doc->NodePrincipal()));
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.StealNSResult();
}
nsCOMPtr<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(principal, uri);
if (!registration) {
mPromise->MaybeResolve(JS::UndefinedHandleValue);
return NS_OK;
}
NS_ConvertUTF8toUTF16 scope(registration->mScope);
nsRefPtr<ServiceWorkerRegistrationMainThread> swr =
new ServiceWorkerRegistrationMainThread(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);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
MOZ_ASSERT(window);
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
// Don't allow service workers to register when the *document* is chrome for
// now.
MOZ_ASSERT(!nsContentUtils::IsSystemPrincipal(doc->NodePrincipal()));
nsCOMPtr<nsIGlobalObject> sgo = do_QueryInterface(window);
ErrorResult result;
nsRefPtr<Promise> promise = Promise::Create(sgo, result);
if (result.Failed()) {
return result.StealNSResult();
}
nsCOMPtr<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;
}
};
#ifndef MOZ_SIMPLEPUSH
class SendPushEventRunnable final : public WorkerRunnable
{
nsString mData;
nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
public:
SendPushEventRunnable(
WorkerPrivate* aWorkerPrivate,
const nsAString& aData,
nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount)
, mData(aData)
, mServiceWorker(aServiceWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWorkerPrivate);
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
MOZ_ASSERT(aWorkerPrivate);
GlobalObject globalObj(aCx, aWorkerPrivate->GlobalScope()->GetWrapper());
PushEventInit pei;
pei.mData.Construct(mData);
pei.mBubbles = false;
pei.mCancelable = true;
ErrorResult result;
nsRefPtr<PushEvent> event =
PushEvent::Constructor(globalObj, NS_LITERAL_STRING("push"), pei, result);
if (NS_WARN_IF(result.Failed())) {
return false;
}
event->SetTrusted(true);
event->PostInit(mServiceWorker);
nsRefPtr<EventTarget> target = do_QueryObject(aWorkerPrivate->GlobalScope());
target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
return true;
}
};
class SendPushSubscriptionChangeEventRunnable final : public WorkerRunnable
{
nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
public:
SendPushSubscriptionChangeEventRunnable(
WorkerPrivate* aWorkerPrivate,
nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount)
, mServiceWorker(aServiceWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWorkerPrivate);
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
MOZ_ASSERT(aWorkerPrivate);
WorkerGlobalScope* globalScope = aWorkerPrivate->GlobalScope();
nsCOMPtr<nsIDOMEvent> event;
nsresult rv =
NS_NewDOMEvent(getter_AddRefs(event), globalScope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
rv = event->InitEvent(NS_LITERAL_STRING("pushsubscriptionchange"), false, false);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
event->SetTrusted(true);
globalScope->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
return true;
}
};
#endif /* ! MOZ_SIMPLEPUSH */
NS_IMETHODIMP
ServiceWorkerManager::SendPushEvent(JS::Handle<JS::Value> aOriginAttributes,
const nsACString& aScope,
const nsAString& aData,
JSContext* aCx)
{
#ifdef MOZ_SIMPLEPUSH
return NS_ERROR_NOT_AVAILABLE;
#else
OriginAttributes attrs;
if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
return NS_ERROR_INVALID_ARG;
}
nsRefPtr<ServiceWorker> serviceWorker =
CreateServiceWorkerForScope(attrs, aScope);
if (!serviceWorker) {
return NS_ERROR_FAILURE;
}
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(serviceWorker));
nsRefPtr<SendPushEventRunnable> r =
new SendPushEventRunnable(serviceWorker->GetWorkerPrivate(), aData,
serviceWorkerHandle);
if (NS_WARN_IF(!r->Dispatch(aCx))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
#endif
}
NS_IMETHODIMP
ServiceWorkerManager::SendPushSubscriptionChangeEvent(JS::Handle<JS::Value> aOriginAttributes,
const nsACString& aScope,
JSContext* aCx)
{
#ifdef MOZ_SIMPLEPUSH
return NS_ERROR_NOT_AVAILABLE;
#else
OriginAttributes attrs;
if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
return NS_ERROR_INVALID_ARG;
}
nsRefPtr<ServiceWorker> serviceWorker =
CreateServiceWorkerForScope(attrs, aScope);
if (!serviceWorker) {
return NS_ERROR_FAILURE;
}
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(serviceWorker));
nsRefPtr<SendPushSubscriptionChangeEventRunnable> r =
new SendPushSubscriptionChangeEventRunnable(
serviceWorker->GetWorkerPrivate(), serviceWorkerHandle);
if (NS_WARN_IF(!r->Dispatch(aCx))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
#endif
}
NS_IMETHODIMP
ServiceWorkerManager::GetReadyPromise(nsIDOMWindow* aWindow,
nsISupports** aPromise)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aWindow);
MOZ_ASSERT(window);
nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
// Don't allow service workers to register when the *document* is chrome for
// now.
MOZ_ASSERT(!nsContentUtils::IsSystemPrincipal(doc->NodePrincipal()));
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.StealNSResult();
}
nsCOMPtr<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)
{
MOZ_ASSERT(aWindow);
MOZ_ASSERT(aURI);
nsCOMPtr<nsIDocument> doc = aWindow->GetExtantDoc();
MOZ_ASSERT(doc);
nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal();
MOZ_ASSERT(principal);
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(principal, aURI);
if (registration && registration->mActiveWorker) {
NS_ConvertUTF8toUTF16 scope(registration->mScope);
nsRefPtr<ServiceWorkerRegistrationMainThread> swr =
new ServiceWorkerRegistrationMainThread(aWindow, scope);
aPromise->MaybeResolve(swr);
return true;
}
return false;
}
already_AddRefed<ServiceWorker>
ServiceWorkerManager::CreateServiceWorkerForScope(const OriginAttributes& aOriginAttributes,
const nsACString& aScope)
{
AssertIsOnMainThread();
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
if (NS_FAILED(rv)) {
return nullptr;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aOriginAttributes, scopeURI);
if (!registration) {
return nullptr;
}
if (!registration->mActiveWorker) {
return nullptr;
}
nsRefPtr<ServiceWorker> sw;
rv = CreateServiceWorker(registration->mPrincipal,
registration->mActiveWorker,
getter_AddRefs(sw));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return sw.forget();
}
class ServiceWorkerUnregisterJob final : public ServiceWorkerJob
{
nsRefPtr<ServiceWorkerRegistrationInfo> mRegistration;
const nsCString mScope;
nsCOMPtr<nsIServiceWorkerUnregisterCallback> mCallback;
nsCOMPtr<nsIPrincipal> mPrincipal;
~ServiceWorkerUnregisterJob()
{ }
public:
ServiceWorkerUnregisterJob(ServiceWorkerJobQueue* aQueue,
const nsACString& aScope,
nsIServiceWorkerUnregisterCallback* aCallback,
nsIPrincipal* aPrincipal)
: ServiceWorkerJob(aQueue)
, mScope(aScope)
, mCallback(aCallback)
, mPrincipal(aPrincipal)
{
AssertIsOnMainThread();
}
void
Start() override
{
AssertIsOnMainThread();
nsCOMPtr<nsIRunnable> r =
NS_NewRunnableMethod(this, &ServiceWorkerUnregisterJob::UnregisterAndDone);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(NS_DispatchToMainThread(r)));
}
private:
// You probably want UnregisterAndDone().
nsresult
Unregister()
{
AssertIsOnMainThread();
PrincipalInfo principalInfo;
if (NS_WARN_IF(NS_FAILED(PrincipalToPrincipalInfo(mPrincipal,
&principalInfo)))) {
return mCallback ? mCallback->UnregisterSucceeded(false) : NS_OK;
}
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
nsAutoCString scopeKey;
nsresult rv = swm->PrincipalToScopeKey(mPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return mCallback ? mCallback->UnregisterSucceeded(false) : NS_OK;
}
// "Let registration be the result of running [[Get Registration]]
// algorithm passing scope as the argument."
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
// "If registration is null, then, resolve promise with false."
return mCallback ? mCallback->UnregisterSucceeded(false) : NS_OK;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
if (!data->mInfos.Get(mScope, getter_AddRefs(registration))) {
// "If registration is null, then, resolve promise with false."
return mCallback ? mCallback->UnregisterSucceeded(false) : NS_OK;
}
MOZ_ASSERT(registration);
// "Set registration's uninstalling flag."
registration->mPendingUninstall = true;
// "Resolve promise with true"
rv = mCallback ? mCallback->UnregisterSucceeded(true) : NS_OK;
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// "If no service worker client is using registration..."
if (!registration->IsControllingDocuments()) {
// "If registration's uninstalling flag is set.."
if (!registration->mPendingUninstall) {
return NS_OK;
}
// "Invoke [[Clear Registration]]..."
registration->Clear();
swm->RemoveRegistration(registration);
}
MOZ_ASSERT(swm->mActor);
swm->mActor->SendUnregisterServiceWorker(principalInfo,
NS_ConvertUTF8toUTF16(mScope));
return NS_OK;
}
// The unregister job is done irrespective of success or failure of any sort.
void
UnregisterAndDone()
{
nsresult rv = Unregister();
unused << NS_WARN_IF(NS_FAILED(rv));
Done(rv);
}
};
NS_IMETHODIMP
ServiceWorkerManager::Unregister(nsIPrincipal* aPrincipal,
nsIServiceWorkerUnregisterCallback* aCallback,
const nsAString& aScope)
{
AssertIsOnMainThread();
if (!aPrincipal) {
return NS_ERROR_FAILURE;
}
nsresult rv;
// This is not accessible by content, and callers should always ensure scope is
// a correct URI, so this is wrapped in DEBUG
#ifdef DEBUG
nsCOMPtr<nsIURI> scopeURI;
rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_SECURITY_ERR;
}
#endif
nsAutoCString originSuffix;
rv = PrincipalToScopeKey(aPrincipal, originSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
NS_ConvertUTF16toUTF8 scope(aScope);
ServiceWorkerJobQueue* queue = GetOrCreateJobQueue(originSuffix, scope);
MOZ_ASSERT(queue);
nsRefPtr<ServiceWorkerUnregisterJob> job =
new ServiceWorkerUnregisterJob(queue, scope, aCallback, aPrincipal);
if (mActor) {
queue->Append(job);
return NS_OK;
}
AppendPendingOperation(queue, job);
return NS_OK;
}
ServiceWorkerJobQueue*
ServiceWorkerManager::GetOrCreateJobQueue(const nsACString& aKey,
const nsACString& aScope)
{
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!mRegistrationInfos.Get(aKey, &data)) {
data = new RegistrationDataPerPrincipal();
mRegistrationInfos.Put(aKey, data);
}
ServiceWorkerJobQueue* queue;
if (!data->mJobQueues.Get(aScope, &queue)) {
queue = new ServiceWorkerJobQueue(aKey);
data->mJobQueues.Put(aScope, queue);
}
return queue;
}
/* static */
already_AddRefed<ServiceWorkerManager>
ServiceWorkerManager::GetInstance()
{
// Note: We don't simply check gInstance for null-ness here, since otherwise
// this can resurrect the ServiceWorkerManager pretty late during shutdown.
static bool firstTime = true;
if (firstTime) {
AssertIsOnMainThread();
gInstance = new ServiceWorkerManager();
gInstance->Init();
ClearOnShutdown(&gInstance);
firstTime = false;
}
nsRefPtr<ServiceWorkerManager> copy = gInstance.get();
return copy.forget();
}
void
ServiceWorkerManager::FinishFetch(ServiceWorkerRegistrationInfo* aRegistration)
{
}
bool
ServiceWorkerManager::HandleError(JSContext* aCx,
nsIPrincipal* aPrincipal,
const nsCString& aScope,
const nsString& aWorkerURL,
nsString aMessage,
nsString aFilename,
nsString aLine,
uint32_t aLineNumber,
uint32_t aColumnNumber,
uint32_t aFlags)
{
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
nsAutoCString scopeKey;
nsresult rv = PrincipalToScopeKey(aPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
ServiceWorkerManager::RegistrationDataPerPrincipal* data;
if (!mRegistrationInfos.Get(scopeKey, &data)) {
return false;
}
if (!data->mSetOfScopesBeingUpdated.Contains(aScope)) {
return false;
}
data->mSetOfScopesBeingUpdated.Remove(aScope);
ServiceWorkerJobQueue* queue = data->mJobQueues.Get(aScope);
MOZ_ASSERT(queue);
ServiceWorkerJob* job = queue->Peek();
if (job) {
MOZ_ASSERT(job->IsRegisterJob());
nsRefPtr<ServiceWorkerRegisterJob> regJob = static_cast<ServiceWorkerRegisterJob*>(job);
RootedDictionary<ErrorEventInit> init(aCx);
init.mMessage = aMessage;
init.mFilename = aFilename;
init.mLineno = aLineNumber;
init.mColno = aColumnNumber;
NS_WARNING(nsPrintfCString(
"Script error caused ServiceWorker registration to fail: %s:%u '%s'",
NS_ConvertUTF16toUTF8(aFilename).get(), aLineNumber,
NS_ConvertUTF16toUTF8(aMessage).get()).get());
regJob->Fail(init);
}
return true;
}
void
ServiceWorkerRegistrationInfo::FinishActivate(bool aSuccess)
{
if (mPendingUninstall || !mActiveWorker) {
return;
}
if (aSuccess) {
mActiveWorker->UpdateState(ServiceWorkerState::Activated);
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->StoreRegistration(mPrincipal, this);
} else {
mActiveWorker->UpdateState(ServiceWorkerState::Redundant);
mActiveWorker = nullptr;
}
}
NS_IMETHODIMP
ServiceWorkerManager::CreateServiceWorkerForWindow(nsPIDOMWindow* aWindow,
ServiceWorkerInfo* aInfo,
ServiceWorker** aServiceWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aWindow);
MOZ_ASSERT(aInfo);
AutoJSAPI jsapi;
jsapi.Init(aWindow);
JSContext* cx = jsapi.cx();
WorkerLoadInfo loadInfo;
nsresult rv = WorkerPrivate::GetLoadInfo(cx, aWindow, nullptr,
NS_ConvertUTF8toUTF16(aInfo->ScriptSpec()),
false,
WorkerPrivate::OverrideLoadGroup,
&loadInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
MOZ_ASSERT(!aInfo->CacheName().IsEmpty());
loadInfo.mServiceWorkerCacheName = aInfo->CacheName();
loadInfo.mServiceWorkerID = aInfo->ID();
RuntimeService* rs = RuntimeService::GetOrCreateService();
if (!rs) {
return NS_ERROR_FAILURE;
}
nsRefPtr<SharedWorker> sharedWorker;
rv = rs->CreateSharedWorkerForServiceWorkerFromLoadInfo(cx, &loadInfo,
NS_ConvertUTF8toUTF16(aInfo->ScriptSpec()),
aInfo->Scope(),
getter_AddRefs(sharedWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorker> serviceWorker =
new ServiceWorker(aWindow, aInfo, sharedWorker);
serviceWorker.forget(aServiceWorker);
return rv;
}
void
ServiceWorkerManager::LoadRegistrations(
const nsTArray<ServiceWorkerRegistrationData>& aRegistrations)
{
AssertIsOnMainThread();
for (uint32_t i = 0, len = aRegistrations.Length(); i < len; ++i) {
nsCOMPtr<nsIPrincipal> principal =
PrincipalInfoToPrincipal(aRegistrations[i].principal());
if (!principal) {
continue;
}
ServiceWorkerRegistrationInfo* registration =
CreateNewRegistration(aRegistrations[i].scope(), principal);
registration->mScriptSpec = aRegistrations[i].scriptSpec();
const nsCString& currentWorkerURL = aRegistrations[i].currentWorkerURL();
if (!currentWorkerURL.IsEmpty()) {
registration->mActiveWorker =
new ServiceWorkerInfo(registration, currentWorkerURL, aRegistrations[i].activeCacheName());
registration->mActiveWorker->SetActivateStateUncheckedWithoutEvent(ServiceWorkerState::Activated);
}
}
}
void
ServiceWorkerManager::ActorFailed()
{
MOZ_CRASH("Failed to create a PBackgroundChild actor!");
}
void
ServiceWorkerManager::ActorCreated(mozilla::ipc::PBackgroundChild* aActor)
{
MOZ_ASSERT(aActor);
MOZ_ASSERT(!mActor);
mActor = aActor;
// Flush the pending requests.
for (uint32_t i = 0, len = mPendingOperations.Length(); i < len; ++i) {
MOZ_ASSERT(mPendingOperations[i].mRunnable ||
(mPendingOperations[i].mJob && mPendingOperations[i].mQueue));
if (mPendingOperations[i].mRunnable) {
nsresult rv = NS_DispatchToCurrentThread(mPendingOperations[i].mRunnable);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch a runnable.");
return;
}
} else {
mPendingOperations[i].mQueue->Append(mPendingOperations[i].mJob);
}
}
mPendingOperations.Clear();
}
void
ServiceWorkerManager::StoreRegistration(
nsIPrincipal* aPrincipal,
ServiceWorkerRegistrationInfo* aRegistration)
{
MOZ_ASSERT(mActor);
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aRegistration);
ServiceWorkerRegistrationData data;
nsresult rv = PopulateRegistrationData(aPrincipal, aRegistration, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
PrincipalInfo principalInfo;
if (NS_WARN_IF(NS_FAILED(PrincipalToPrincipalInfo(aPrincipal,
&principalInfo)))) {
return;
}
mActor->SendRegisterServiceWorker(data);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsPIDOMWindow* aWindow)
{
MOZ_ASSERT(aWindow);
nsCOMPtr<nsIDocument> document = aWindow->GetExtantDoc();
return GetServiceWorkerRegistrationInfo(document);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsIDocument* aDoc)
{
MOZ_ASSERT(aDoc);
nsCOMPtr<nsIURI> documentURI = aDoc->GetDocumentURI();
nsCOMPtr<nsIPrincipal> principal = aDoc->NodePrincipal();
return GetServiceWorkerRegistrationInfo(principal, documentURI);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(nsIPrincipal* aPrincipal,
nsIURI* aURI)
{
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aURI);
nsAutoCString originAttributesSuffix;
nsresult rv = PrincipalToScopeKey(aPrincipal, originAttributesSuffix);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return GetServiceWorkerRegistrationInfo(originAttributesSuffix, aURI);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(const OriginAttributes& aOriginAttributes,
nsIURI* aURI)
{
MOZ_ASSERT(aURI);
nsAutoCString originAttributesSuffix;
aOriginAttributes.CreateSuffix(originAttributesSuffix);
return GetServiceWorkerRegistrationInfo(originAttributesSuffix, aURI);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetServiceWorkerRegistrationInfo(const nsACString& aScopeKey,
nsIURI* aURI)
{
MOZ_ASSERT(aURI);
nsAutoCString spec;
nsresult rv = aURI->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsAutoCString scope;
RegistrationDataPerPrincipal* data;
if (!FindScopeForPath(aScopeKey, spec, &data, scope)) {
return nullptr;
}
MOZ_ASSERT(data);
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
data->mInfos.Get(scope, getter_AddRefs(registration));
// ordered scopes and registrations better be in sync.
MOZ_ASSERT(registration);
#ifdef DEBUG
nsAutoCString originSuffix;
rv = registration->mPrincipal->GetOriginSuffix(originSuffix);
MOZ_ASSERT(NS_SUCCEEDED(rv));
MOZ_ASSERT(originSuffix.Equals(aScopeKey));
#endif
if (registration->mPendingUninstall) {
return nullptr;
}
return registration.forget();
}
/* static */ nsresult
ServiceWorkerManager::PrincipalToScopeKey(nsIPrincipal* aPrincipal,
nsACString& aKey)
{
MOZ_ASSERT(aPrincipal);
if (NS_WARN_IF(!BasePrincipal::Cast(aPrincipal)->IsCodebasePrincipal())) {
return NS_ERROR_FAILURE;
}
nsresult rv = aPrincipal->GetOriginSuffix(aKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
/* static */ void
ServiceWorkerManager::AddScopeAndRegistration(const nsACString& aScope,
ServiceWorkerRegistrationInfo* aInfo)
{
MOZ_ASSERT(aInfo);
MOZ_ASSERT(aInfo->mPrincipal);
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
nsAutoCString scopeKey;
nsresult rv = swm->PrincipalToScopeKey(aInfo->mPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
data = new RegistrationDataPerPrincipal();
swm->mRegistrationInfos.Put(scopeKey, data);
}
for (uint32_t i = 0; i < data->mOrderedScopes.Length(); ++i) {
const nsCString& current = data->mOrderedScopes[i];
// Perfect match!
if (aScope.Equals(current)) {
data->mInfos.Put(aScope, aInfo);
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)) {
data->mOrderedScopes.InsertElementAt(i, aScope);
data->mInfos.Put(aScope, aInfo);
return;
}
}
data->mOrderedScopes.AppendElement(aScope);
data->mInfos.Put(aScope, aInfo);
}
/* static */ bool
ServiceWorkerManager::FindScopeForPath(const nsACString& aScopeKey,
const nsACString& aPath,
RegistrationDataPerPrincipal** aData,
nsACString& aMatch)
{
MOZ_ASSERT(aData);
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
if (!swm->mRegistrationInfos.Get(aScopeKey, aData)) {
return false;
}
for (uint32_t i = 0; i < (*aData)->mOrderedScopes.Length(); ++i) {
const nsCString& current = (*aData)->mOrderedScopes[i];
if (StringBeginsWith(aPath, current)) {
aMatch = current;
return true;
}
}
return false;
}
#ifdef DEBUG
/* static */ bool
ServiceWorkerManager::HasScope(nsIPrincipal* aPrincipal,
const nsACString& aScope)
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
nsAutoCString scopeKey;
nsresult rv = PrincipalToScopeKey(aPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
return false;
}
return data->mOrderedScopes.Contains(aScope);
}
#endif
/* static */ void
ServiceWorkerManager::RemoveScopeAndRegistration(ServiceWorkerRegistrationInfo* aRegistration)
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
MOZ_ASSERT(swm);
nsAutoCString scopeKey;
nsresult rv = swm->PrincipalToScopeKey(aRegistration->mPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
RegistrationDataPerPrincipal* data;
if (!swm->mRegistrationInfos.Get(scopeKey, &data)) {
return;
}
data->mInfos.Remove(aRegistration->mScope);
data->mOrderedScopes.RemoveElement(aRegistration->mScope);
swm->MaybeRemoveRegistrationInfo(scopeKey);
}
void
ServiceWorkerManager::MaybeRemoveRegistrationInfo(const nsACString& aScopeKey)
{
RegistrationDataPerPrincipal* data;
if (!mRegistrationInfos.Get(aScopeKey, &data)) {
return;
}
if (data->mOrderedScopes.IsEmpty() && data->mJobQueues.Count() == 0) {
mRegistrationInfos.Remove(aScopeKey);
}
}
void
ServiceWorkerManager::MaybeStartControlling(nsIDocument* aDoc)
{
AssertIsOnMainThread();
// We keep a set of documents that service workers may choose to start
// controlling using claim().
MOZ_ASSERT(!mAllDocuments.Contains(aDoc));
mAllDocuments.PutEntry(aDoc);
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aDoc);
if (registration) {
MOZ_ASSERT(!mControlledDocuments.Contains(aDoc));
StartControllingADocument(registration, aDoc);
}
}
void
ServiceWorkerManager::MaybeStopControlling(nsIDocument* aDoc)
{
MOZ_ASSERT(aDoc);
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
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) {
StopControllingADocument(registration);
}
if (mAllDocuments.Contains(aDoc)) {
mAllDocuments.RemoveEntry(aDoc);
}
}
void
ServiceWorkerManager::StartControllingADocument(ServiceWorkerRegistrationInfo* aRegistration,
nsIDocument* aDoc)
{
MOZ_ASSERT(aRegistration);
MOZ_ASSERT(aDoc);
aRegistration->StartControllingADocument();
mControlledDocuments.Put(aDoc, aRegistration);
}
void
ServiceWorkerManager::StopControllingADocument(ServiceWorkerRegistrationInfo* aRegistration)
{
aRegistration->StopControllingADocument();
if (!aRegistration->IsControllingDocuments()) {
if (aRegistration->mPendingUninstall) {
aRegistration->Clear();
RemoveRegistration(aRegistration);
} else {
aRegistration->TryToActivate();
}
}
}
NS_IMETHODIMP
ServiceWorkerManager::GetScopeForUrl(nsIPrincipal* aPrincipal,
const nsAString& aUrl, nsAString& aScope)
{
MOZ_ASSERT(aPrincipal);
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(aPrincipal, uri);
if (!r) {
return NS_ERROR_FAILURE;
}
aScope = NS_ConvertUTF8toUTF16(r->mScope);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::AddRegistrationEventListener(const nsAString& aScope,
ServiceWorkerRegistrationListener* aListener)
{
AssertIsOnMainThread();
MOZ_ASSERT(aListener);
#ifdef DEBUG
// Ensure a registration is only listening for it's own scope.
nsAutoString regScope;
aListener->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
MOZ_ASSERT(aScope.Equals(regScope));
#endif
MOZ_ASSERT(!mServiceWorkerRegistrationListeners.Contains(aListener));
mServiceWorkerRegistrationListeners.AppendElement(aListener);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::RemoveRegistrationEventListener(const nsAString& aScope,
ServiceWorkerRegistrationListener* aListener)
{
AssertIsOnMainThread();
MOZ_ASSERT(aListener);
#ifdef DEBUG
// Ensure a registration is unregistering for it's own scope.
nsAutoString regScope;
aListener->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
MOZ_ASSERT(aScope.Equals(regScope));
#endif
MOZ_ASSERT(mServiceWorkerRegistrationListeners.Contains(aListener));
mServiceWorkerRegistrationListeners.RemoveElement(aListener);
return NS_OK;
}
void
ServiceWorkerManager::FireUpdateFoundOnServiceWorkerRegistrations(
ServiceWorkerRegistrationInfo* aRegistration)
{
AssertIsOnMainThread();
nsTObserverArray<ServiceWorkerRegistrationListener*>::ForwardIterator it(mServiceWorkerRegistrationListeners);
while (it.HasMore()) {
nsRefPtr<ServiceWorkerRegistrationListener> target = it.GetNext();
nsAutoString regScope;
target->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
NS_ConvertUTF16toUTF8 utf8Scope(regScope);
if (utf8Scope.Equals(aRegistration->mScope)) {
target->UpdateFound();
}
}
}
/*
* 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 (NS_WARN_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<ServiceWorkerRegistrationInfo> registration =
GetRegistration(documentPrincipal, scope);
if (NS_WARN_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 (NS_WARN_IF(!info)) {
return NS_ERROR_DOM_NOT_FOUND_ERR;
}
nsRefPtr<ServiceWorker> serviceWorker;
rv = CreateServiceWorkerForWindow(window,
info,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker->SetState(info->State());
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
class FetchEventRunnable : public WorkerRunnable
, public nsIHttpHeaderVisitor {
nsMainThreadPtrHandle<nsIInterceptedChannel> mInterceptedChannel;
nsMainThreadPtrHandle<ServiceWorker> mServiceWorker;
nsTArray<nsCString> mHeaderNames;
nsTArray<nsCString> mHeaderValues;
nsAutoPtr<ServiceWorkerClientInfo> mClientInfo;
nsCString mSpec;
nsCString mMethod;
bool mIsReload;
RequestMode mRequestMode;
RequestCredentials mRequestCredentials;
nsContentPolicyType mContentPolicyType;
nsCOMPtr<nsIInputStream> mUploadStream;
public:
FetchEventRunnable(WorkerPrivate* aWorkerPrivate,
nsMainThreadPtrHandle<nsIInterceptedChannel>& aChannel,
nsMainThreadPtrHandle<ServiceWorker>& aServiceWorker,
nsAutoPtr<ServiceWorkerClientInfo>& aClientInfo,
bool aIsReload)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount)
, mInterceptedChannel(aChannel)
, mServiceWorker(aServiceWorker)
, mClientInfo(aClientInfo)
, mIsReload(aIsReload)
, mRequestMode(RequestMode::No_cors)
// By default we set it to same-origin since normal HTTP fetches always
// send credentials to same-origin websites unless explicitly forbidden.
, mRequestCredentials(RequestCredentials::Same_origin)
, mContentPolicyType(nsIContentPolicy::TYPE_INVALID)
{
MOZ_ASSERT(aWorkerPrivate);
}
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD
VisitHeader(const nsACString& aHeader, const nsACString& aValue) override
{
mHeaderNames.AppendElement(aHeader);
mHeaderValues.AppendElement(aValue);
return NS_OK;
}
nsresult
Init()
{
AssertIsOnMainThread();
nsCOMPtr<nsIChannel> channel;
nsresult rv = mInterceptedChannel->GetChannel(getter_AddRefs(channel));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIURI> uri;
rv = channel->GetURI(getter_AddRefs(uri));
NS_ENSURE_SUCCESS(rv, rv);
rv = uri->GetSpec(mSpec);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t loadFlags;
rv = channel->GetLoadFlags(&loadFlags);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILoadInfo> loadInfo;
rv = channel->GetLoadInfo(getter_AddRefs(loadInfo));
NS_ENSURE_SUCCESS(rv, rv);
mContentPolicyType = loadInfo->GetContentPolicyType();
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(channel);
if (httpChannel) {
rv = httpChannel->GetRequestMethod(mMethod);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannelInternal> internalChannel = do_QueryInterface(httpChannel);
NS_ENSURE_TRUE(internalChannel, NS_ERROR_NOT_AVAILABLE);
uint32_t mode;
internalChannel->GetCorsMode(&mode);
switch (mode) {
case nsIHttpChannelInternal::CORS_MODE_SAME_ORIGIN:
mRequestMode = RequestMode::Same_origin;
break;
case nsIHttpChannelInternal::CORS_MODE_NO_CORS:
mRequestMode = RequestMode::No_cors;
break;
case nsIHttpChannelInternal::CORS_MODE_CORS:
case nsIHttpChannelInternal::CORS_MODE_CORS_WITH_FORCED_PREFLIGHT:
mRequestMode = RequestMode::Cors;
break;
default:
MOZ_CRASH("Unexpected CORS mode");
}
if (loadFlags & nsIRequest::LOAD_ANONYMOUS) {
mRequestCredentials = RequestCredentials::Omit;
} else {
bool includeCrossOrigin;
internalChannel->GetCorsIncludeCredentials(&includeCrossOrigin);
if (includeCrossOrigin) {
mRequestCredentials = RequestCredentials::Include;
}
}
rv = httpChannel->VisitRequestHeaders(this);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIUploadChannel2> uploadChannel = do_QueryInterface(httpChannel);
if (uploadChannel) {
MOZ_ASSERT(!mUploadStream);
rv = uploadChannel->CloneUploadStream(getter_AddRefs(mUploadStream));
NS_ENSURE_SUCCESS(rv, rv);
}
} else {
nsCOMPtr<nsIJARChannel> jarChannel = do_QueryInterface(channel);
// If it is not an HTTP channel it must be a JAR one.
NS_ENSURE_TRUE(jarChannel, NS_ERROR_NOT_AVAILABLE);
mMethod = "GET";
if (loadFlags & nsIRequest::LOAD_ANONYMOUS) {
mRequestCredentials = RequestCredentials::Omit;
}
}
return NS_OK;
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
{
MOZ_ASSERT(aWorkerPrivate);
return DispatchFetchEvent(aCx, aWorkerPrivate);
}
private:
~FetchEventRunnable() {}
class ResumeRequest final : public nsRunnable {
nsMainThreadPtrHandle<nsIInterceptedChannel> mChannel;
public:
explicit ResumeRequest(nsMainThreadPtrHandle<nsIInterceptedChannel>& aChannel)
: mChannel(aChannel)
{
}
NS_IMETHOD Run()
{
AssertIsOnMainThread();
nsresult rv = mChannel->ResetInterception();
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to resume intercepted network request");
return rv;
}
};
bool
DispatchFetchEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aWorkerPrivate);
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
GlobalObject globalObj(aCx, aWorkerPrivate->GlobalScope()->GetWrapper());
NS_ConvertUTF8toUTF16 local(mSpec);
RequestOrUSVString requestInfo;
requestInfo.SetAsUSVString().Rebind(local.Data(), local.Length());
RootedDictionary<RequestInit> reqInit(aCx);
reqInit.mMethod.Construct(mMethod);
nsRefPtr<InternalHeaders> internalHeaders = new InternalHeaders(HeadersGuardEnum::Request);
MOZ_ASSERT(mHeaderNames.Length() == mHeaderValues.Length());
for (uint32_t i = 0; i < mHeaderNames.Length(); i++) {
ErrorResult result;
internalHeaders->Set(mHeaderNames[i], mHeaderValues[i], result);
if (NS_WARN_IF(result.Failed())) {
return false;
}
}
nsRefPtr<Headers> headers = new Headers(globalObj.GetAsSupports(), internalHeaders);
reqInit.mHeaders.Construct();
reqInit.mHeaders.Value().SetAsHeaders() = headers;
reqInit.mMode.Construct(mRequestMode);
reqInit.mCredentials.Construct(mRequestCredentials);
ErrorResult result;
nsRefPtr<Request> request = Request::Constructor(globalObj, requestInfo, reqInit, result);
if (NS_WARN_IF(result.Failed())) {
return false;
}
// For Telemetry, note that this Request object was created by a Fetch event.
nsRefPtr<InternalRequest> internalReq = request->GetInternalRequest();
MOZ_ASSERT(internalReq);
internalReq->SetCreatedByFetchEvent();
internalReq->SetBody(mUploadStream);
request->SetContentPolicyType(mContentPolicyType);
RootedDictionary<FetchEventInit> init(aCx);
init.mRequest.Construct();
init.mRequest.Value() = request;
init.mBubbles = false;
init.mCancelable = true;
init.mIsReload.Construct(mIsReload);
nsRefPtr<FetchEvent> event =
FetchEvent::Constructor(globalObj, NS_LITERAL_STRING("fetch"), init, result);
if (NS_WARN_IF(result.Failed())) {
return false;
}
event->PostInit(mInterceptedChannel, mServiceWorker, mClientInfo);
event->SetTrusted(true);
nsRefPtr<EventTarget> target = do_QueryObject(aWorkerPrivate->GlobalScope());
nsresult rv2 = target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv2)) || !event->WaitToRespond()) {
nsCOMPtr<nsIRunnable> runnable = new ResumeRequest(mInterceptedChannel);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(NS_DispatchToMainThread(runnable)));
}
return true;
}
};
NS_IMPL_ISUPPORTS_INHERITED(FetchEventRunnable, WorkerRunnable, nsIHttpHeaderVisitor)
void
ServiceWorkerManager::DispatchFetchEvent(const OriginAttributes& aOriginAttributes,
nsIDocument* aDoc,
nsIInterceptedChannel* aChannel,
bool aIsReload,
ErrorResult& aRv)
{
MOZ_ASSERT(aChannel);
nsCOMPtr<nsISupports> serviceWorker;
bool isNavigation = false;
aRv = aChannel->GetIsNavigation(&isNavigation);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsAutoPtr<ServiceWorkerClientInfo> clientInfo;
if (!isNavigation) {
MOZ_ASSERT(aDoc);
aRv = GetDocumentController(aDoc->GetInnerWindow(), getter_AddRefs(serviceWorker));
clientInfo = new ServiceWorkerClientInfo(aDoc);
} else {
nsCOMPtr<nsIChannel> internalChannel;
aRv = aChannel->GetChannel(getter_AddRefs(internalChannel));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsCOMPtr<nsIURI> uri;
aRv = internalChannel->GetURI(getter_AddRefs(uri));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aOriginAttributes, uri);
if (!registration) {
NS_WARNING("No registration found when dispatching the fetch event");
aRv.Throw(NS_ERROR_FAILURE);
return;
}
// This should only happen if IsAvailable() returned true.
MOZ_ASSERT(registration->mActiveWorker);
nsRefPtr<ServiceWorker> sw;
aRv = CreateServiceWorker(registration->mPrincipal,
registration->mActiveWorker,
getter_AddRefs(sw));
serviceWorker = sw.forget();
}
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsMainThreadPtrHandle<nsIInterceptedChannel> handle(
new nsMainThreadPtrHolder<nsIInterceptedChannel>(aChannel, false));
nsRefPtr<ServiceWorker> sw = static_cast<ServiceWorker*>(serviceWorker.get());
nsMainThreadPtrHandle<ServiceWorker> serviceWorkerHandle(
new nsMainThreadPtrHolder<ServiceWorker>(sw));
// clientInfo is null if we don't have a controlled document
nsRefPtr<FetchEventRunnable> event =
new FetchEventRunnable(sw->GetWorkerPrivate(), handle, serviceWorkerHandle,
clientInfo, aIsReload);
aRv = event->Init();
if (NS_WARN_IF(aRv.Failed())) {
return;
}
AutoJSAPI api;
api.Init();
if (NS_WARN_IF(!event->Dispatch(api.cx()))) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
}
bool
ServiceWorkerManager::IsAvailable(const OriginAttributes& aOriginAttributes,
nsIURI* aURI)
{
MOZ_ASSERT(aURI);
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetServiceWorkerRegistrationInfo(aOriginAttributes, aURI);
return registration && registration->mActiveWorker;
}
bool
ServiceWorkerManager::IsControlled(nsIDocument* aDoc, ErrorResult& aRv)
{
MOZ_ASSERT(aDoc);
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
nsresult rv = GetDocumentRegistration(aDoc, getter_AddRefs(registration));
if (NS_WARN_IF(NS_FAILED(rv) && rv != NS_ERROR_NOT_AVAILABLE)) {
// It's OK to ignore the case where we don't have a registration.
aRv.Throw(rv);
return false;
}
return !!registration;
}
nsresult
ServiceWorkerManager::GetDocumentRegistration(nsIDocument* aDoc,
ServiceWorkerRegistrationInfo** aRegistrationInfo)
{
nsRefPtr<ServiceWorkerRegistrationInfo> registration;
if (!mControlledDocuments.Get(aDoc, getter_AddRefs(registration))) {
return NS_ERROR_NOT_AVAILABLE;
}
// If the document is controlled, the current worker MUST be non-null.
if (!registration->mActiveWorker) {
return NS_ERROR_NOT_AVAILABLE;
}
registration.forget(aRegistrationInfo);
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<ServiceWorkerRegistrationInfo> registration;
nsresult rv = GetDocumentRegistration(doc, getter_AddRefs(registration));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorker> serviceWorker;
rv = CreateServiceWorkerForWindow(window,
registration->mActiveWorker,
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(nsIPrincipal* aPrincipal,
ServiceWorkerInfo* aInfo,
ServiceWorker** aServiceWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aPrincipal);
WorkerLoadInfo info;
nsresult rv = NS_NewURI(getter_AddRefs(info.mBaseURI), aInfo->ScriptSpec(),
nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
info.mResolvedScriptURI = info.mBaseURI;
MOZ_ASSERT(!aInfo->CacheName().IsEmpty());
info.mServiceWorkerCacheName = aInfo->CacheName();
info.mServiceWorkerID = aInfo->ID();
rv = info.mBaseURI->GetHost(info.mDomain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
info.mPrincipal = aPrincipal;
// 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.
WorkerPrivate::OverrideLoadInfoLoadGroup(info);
RuntimeService* rs = RuntimeService::GetOrCreateService();
if (!rs) {
return NS_ERROR_FAILURE;
}
AutoJSAPI jsapi;
jsapi.Init();
nsRefPtr<SharedWorker> sharedWorker;
rv = rs->CreateSharedWorkerForServiceWorkerFromLoadInfo(jsapi.cx(), &info,
NS_ConvertUTF8toUTF16(aInfo->ScriptSpec()),
aInfo->Scope(),
getter_AddRefs(sharedWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorker> serviceWorker =
new ServiceWorker(nullptr, aInfo, sharedWorker);
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
void
ServiceWorkerManager::InvalidateServiceWorkerRegistrationWorker(ServiceWorkerRegistrationInfo* aRegistration,
WhichServiceWorker aWhichOnes)
{
AssertIsOnMainThread();
nsTObserverArray<ServiceWorkerRegistrationListener*>::ForwardIterator it(mServiceWorkerRegistrationListeners);
while (it.HasMore()) {
nsRefPtr<ServiceWorkerRegistrationListener> target = it.GetNext();
nsAutoString regScope;
target->GetScope(regScope);
MOZ_ASSERT(!regScope.IsEmpty());
NS_ConvertUTF16toUTF8 utf8Scope(regScope);
if (utf8Scope.Equals(aRegistration->mScope)) {
target->InvalidateWorkers(aWhichOnes);
}
}
}
NS_IMETHODIMP
ServiceWorkerManager::SoftUpdate(JS::Handle<JS::Value> aOriginAttributes,
const nsAString& aScope, JSContext* aCx)
{
AssertIsOnMainThread();
OriginAttributes attrs;
if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
return NS_ERROR_INVALID_ARG;
}
nsAutoCString scopeKey;
attrs.CreateSuffix(scopeKey);
SoftUpdate(scopeKey, NS_ConvertUTF16toUTF8(aScope));
return NS_OK;
}
void
ServiceWorkerManager::SoftUpdate(nsIPrincipal* aPrincipal,
const nsACString& aScope)
{
MOZ_ASSERT(aPrincipal);
nsAutoCString scopeKey;
nsresult rv = PrincipalToScopeKey(aPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
SoftUpdate(scopeKey, aScope);
}
void
ServiceWorkerManager::SoftUpdate(const nsACString& aScopeKey,
const nsACString& aScope)
{
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetRegistration(aScopeKey, aScope);
if (NS_WARN_IF(!registration)) {
return;
}
// "If registration's uninstalling flag is set, abort these steps."
if (registration->mPendingUninstall) {
return;
}
// "If registration's installing worker is not null, abort these steps."
if (registration->mInstallingWorker) {
return;
}
// "Let newestWorker be the result of running Get Newest Worker algorithm
// passing registration as its argument.
// If newestWorker is null, abort these steps."
nsRefPtr<ServiceWorkerInfo> newest = registration->Newest();
if (!newest) {
return;
}
// "Set registration's registering script url to newestWorker's script url."
registration->mScriptSpec = newest->ScriptSpec();
ServiceWorkerJobQueue* queue =
GetOrCreateJobQueue(aScopeKey, aScope);
MOZ_ASSERT(queue);
nsRefPtr<ServiceWorkerUpdateFinishCallback> cb =
new ServiceWorkerUpdateFinishCallback();
// "Invoke Update algorithm, or its equivalent, with client, registration as
// its argument."
nsRefPtr<ServiceWorkerRegisterJob> job =
new ServiceWorkerRegisterJob(queue, registration, cb);
queue->Append(job);
}
namespace {
class MOZ_STACK_CLASS FilterRegistrationData
{
public:
FilterRegistrationData(nsTArray<ServiceWorkerClientInfo>& aDocuments,
ServiceWorkerRegistrationInfo* aRegistration)
: mDocuments(aDocuments),
mRegistration(aRegistration)
{
}
nsTArray<ServiceWorkerClientInfo>& 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->GetWindow()) {
return PL_DHASH_NEXT;
}
ServiceWorkerClientInfo clientInfo(document);
data->mDocuments.AppendElement(clientInfo);
return PL_DHASH_NEXT;
}
static void
FireControllerChangeOnDocument(nsIDocument* aDocument)
{
AssertIsOnMainThread();
MOZ_ASSERT(aDocument);
nsCOMPtr<nsPIDOMWindow> w = aDocument->GetWindow();
MOZ_ASSERT(w);
auto* window = static_cast<nsGlobalWindow*>(w.get());
if (NS_WARN_IF(!window)) {
NS_WARNING("No valid nsGlobalWindow");
return;
}
ErrorResult result;
dom::Navigator* navigator = window->GetNavigator(result);
if (NS_WARN_IF(result.Failed())) {
return;
}
nsRefPtr<ServiceWorkerContainer> container = navigator->ServiceWorker();
container->ControllerChanged(result);
if (result.Failed()) {
NS_WARNING("Failed to dispatch controllerchange event");
}
}
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;
}
FireControllerChangeOnDocument(doc);
return PL_DHASH_NEXT;
}
static PLDHashOperator
ClaimMatchingClients(nsISupportsHashKey* aKey, void* aData)
{
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
ServiceWorkerRegistrationInfo* workerRegistration =
static_cast<ServiceWorkerRegistrationInfo*>(aData);
nsCOMPtr<nsIDocument> document = do_QueryInterface(aKey->GetKey());
swm->MaybeClaimClient(document, workerRegistration);
return PL_DHASH_NEXT;
}
} // anonymous namespace
void
ServiceWorkerManager::GetAllClients(nsIPrincipal* aPrincipal,
const nsCString& aScope,
nsTArray<ServiceWorkerClientInfo>& aControlledDocuments)
{
MOZ_ASSERT(aPrincipal);
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetRegistration(aPrincipal, aScope);
if (!registration) {
// The registration was removed, leave the array empty.
return;
}
FilterRegistrationData data(aControlledDocuments, registration);
mControlledDocuments.EnumerateRead(EnumControlledDocuments, &data);
}
void
ServiceWorkerManager::MaybeClaimClient(nsIDocument* aDocument,
ServiceWorkerRegistrationInfo* aWorkerRegistration)
{
MOZ_ASSERT(aWorkerRegistration);
MOZ_ASSERT(aWorkerRegistration->mActiveWorker);
// Same origin check
if (!aWorkerRegistration->mPrincipal->Equals(aDocument->NodePrincipal())) {
return;
}
// The registration that should be controlling the client
nsRefPtr<ServiceWorkerRegistrationInfo> matchingRegistration =
GetServiceWorkerRegistrationInfo(aDocument);
// The registration currently controlling the client
nsRefPtr<ServiceWorkerRegistrationInfo> controllingRegistration;
GetDocumentRegistration(aDocument, getter_AddRefs(controllingRegistration));
if (aWorkerRegistration != matchingRegistration ||
aWorkerRegistration == controllingRegistration) {
return;
}
if (controllingRegistration) {
StopControllingADocument(controllingRegistration);
}
StartControllingADocument(aWorkerRegistration, aDocument);
FireControllerChangeOnDocument(aDocument);
}
nsresult
ServiceWorkerManager::ClaimClients(nsIPrincipal* aPrincipal,
const nsCString& aScope, uint64_t aId)
{
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetRegistration(aPrincipal, aScope);
if (!registration || !registration->mActiveWorker ||
!(registration->mActiveWorker->ID() == aId)) {
// The worker is not active.
return NS_ERROR_DOM_INVALID_STATE_ERR;
}
mAllDocuments.EnumerateEntries(ClaimMatchingClients, registration);
return NS_OK;
}
nsresult
ServiceWorkerManager::SetSkipWaitingFlag(nsIPrincipal* aPrincipal,
const nsCString& aScope,
uint64_t aServiceWorkerID)
{
nsRefPtr<ServiceWorkerRegistrationInfo> registration =
GetRegistration(aPrincipal, aScope);
if (!registration) {
return NS_ERROR_FAILURE;
}
if (registration->mInstallingWorker &&
(registration->mInstallingWorker->ID() == aServiceWorkerID)) {
registration->mInstallingWorker->SetSkipWaitingFlag();
} else if (registration->mWaitingWorker &&
(registration->mWaitingWorker->ID() == aServiceWorkerID)) {
registration->mWaitingWorker->SetSkipWaitingFlag();
if (registration->mWaitingWorker->State() == ServiceWorkerState::Installed) {
registration->TryToActivate();
}
} else {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
void
ServiceWorkerManager::FireControllerChange(ServiceWorkerRegistrationInfo* aRegistration)
{
mControlledDocuments.EnumerateRead(FireControllerChangeOnMatchingDocument, aRegistration);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetRegistration(nsIPrincipal* aPrincipal,
const nsACString& aScope) const
{
MOZ_ASSERT(aPrincipal);
nsAutoCString scopeKey;
nsresult rv = PrincipalToScopeKey(aPrincipal, scopeKey);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return GetRegistration(scopeKey, aScope);
}
already_AddRefed<ServiceWorkerRegistrationInfo>
ServiceWorkerManager::GetRegistration(const nsACString& aScopeKey,
const nsACString& aScope) const
{
nsRefPtr<ServiceWorkerRegistrationInfo> reg;
RegistrationDataPerPrincipal* data;
if (!mRegistrationInfos.Get(aScopeKey, &data)) {
return reg.forget();
}
data->mInfos.Get(aScope, getter_AddRefs(reg));
return reg.forget();
}
ServiceWorkerRegistrationInfo*
ServiceWorkerManager::CreateNewRegistration(const nsCString& aScope,
nsIPrincipal* aPrincipal)
{
#ifdef DEBUG
AssertIsOnMainThread();
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
MOZ_ASSERT(NS_SUCCEEDED(rv));
#endif
ServiceWorkerRegistrationInfo* registration = new ServiceWorkerRegistrationInfo(aScope, aPrincipal);
// From now on ownership of registration is with
// mServiceWorkerRegistrationInfos.
AddScopeAndRegistration(aScope, registration);
return registration;
}
void
ServiceWorkerManager::MaybeRemoveRegistration(ServiceWorkerRegistrationInfo* aRegistration)
{
MOZ_ASSERT(aRegistration);
nsRefPtr<ServiceWorkerInfo> newest = aRegistration->Newest();
if (!newest) {
RemoveRegistration(aRegistration);
}
}
void
ServiceWorkerManager::RemoveRegistrationInternal(ServiceWorkerRegistrationInfo* aRegistration)
{
MOZ_ASSERT(aRegistration);
MOZ_ASSERT(!aRegistration->IsControllingDocuments());
// All callers should be either from a job in which case the actor is
// available, or from MaybeStopControlling(), in which case, this will only be
// called if a valid registration is found. If a valid registration exists,
// it means the actor is available since the original map of registrations is
// populated by it, and any new registrations wait until the actor is
// available before proceeding (See ServiceWorkerRegisterJob::Start).
MOZ_ASSERT(mActor);
PrincipalInfo principalInfo;
if (NS_WARN_IF(NS_FAILED(PrincipalToPrincipalInfo(aRegistration->mPrincipal,
&principalInfo)))) {
//XXXnsm I can't think of any other reason a stored principal would fail to
//convert.
NS_WARNING("Unable to unregister serviceworker due to possible OOM");
return;
}
mActor->SendUnregisterServiceWorker(principalInfo,
NS_ConvertUTF8toUTF16(aRegistration->mScope));
}
class ServiceWorkerDataInfo final : public nsIServiceWorkerInfo
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISERVICEWORKERINFO
static already_AddRefed<ServiceWorkerDataInfo>
Create(const ServiceWorkerRegistrationData& aData);
private:
ServiceWorkerDataInfo()
{}
~ServiceWorkerDataInfo()
{}
nsCOMPtr<nsIPrincipal> mPrincipal;
nsString mScope;
nsString mScriptSpec;
nsString mCurrentWorkerURL;
nsString mActiveCacheName;
nsString mWaitingCacheName;
};
void
ServiceWorkerManager::RemoveRegistration(ServiceWorkerRegistrationInfo* aRegistration)
{
RemoveRegistrationInternal(aRegistration);
MOZ_ASSERT(HasScope(aRegistration->mPrincipal, aRegistration->mScope));
RemoveScopeAndRegistration(aRegistration);
}
namespace {
/**
* See browser/components/sessionstore/Utils.jsm function hasRootDomain().
*
* Returns true if the |url| passed in is part of the given root |domain|.
* For example, if |url| is "www.mozilla.org", and we pass in |domain| as
* "mozilla.org", this will return true. It would return false the other way
* around.
*/
bool
HasRootDomain(nsIURI* aURI, const nsACString& aDomain)
{
AssertIsOnMainThread();
MOZ_ASSERT(aURI);
nsAutoCString host;
nsresult rv = aURI->GetHost(host);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
nsACString::const_iterator start, end;
host.BeginReading(start);
host.EndReading(end);
if (!FindInReadable(aDomain, start, end)) {
return false;
}
if (host.Equals(aDomain)) {
return true;
}
// Beginning of the string matches, can't look at the previous char.
if (start.get() == host.BeginReading()) {
// Equals failed so this is fine.
return false;
}
char prevChar = *(--start);
return prevChar == '.';
}
struct UnregisterIfMatchesHostData
{
UnregisterIfMatchesHostData(
ServiceWorkerManager::RegistrationDataPerPrincipal* aRegistrationData,
void* aUserData)
: mRegistrationData(aRegistrationData)
, mUserData(aUserData)
{}
ServiceWorkerManager::RegistrationDataPerPrincipal* mRegistrationData;
void *mUserData;
};
// If host/aData is null, unconditionally unregisters.
PLDHashOperator
UnregisterIfMatchesHost(const nsACString& aScope,
ServiceWorkerRegistrationInfo* aReg,
void* aPtr)
{
UnregisterIfMatchesHostData* data =
static_cast<UnregisterIfMatchesHostData*>(aPtr);
// We avoid setting toRemove = aReg by default since there is a possibility
// of failure when data->mUserData is passed, in which case we don't want to
// remove the registration.
ServiceWorkerRegistrationInfo* toRemove = nullptr;
if (data->mUserData) {
const nsACString& domain = *static_cast<nsACString*>(data->mUserData);
nsCOMPtr<nsIURI> scopeURI;
nsresult rv = NS_NewURI(getter_AddRefs(scopeURI), aScope, nullptr, nullptr);
// This way subdomains are also cleared.
if (NS_SUCCEEDED(rv) && HasRootDomain(scopeURI, domain)) {
toRemove = aReg;
}
} else {
toRemove = aReg;
}
if (toRemove) {
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->ForceUnregister(data->mRegistrationData, toRemove);
}
return PL_DHASH_NEXT;
}
// If host/aData is null, unconditionally unregisters.
PLDHashOperator
UnregisterIfMatchesHostPerPrincipal(const nsACString& aKey,
ServiceWorkerManager::RegistrationDataPerPrincipal* aData,
void* aUserData)
{
UnregisterIfMatchesHostData data(aData, aUserData);
aData->mInfos.EnumerateRead(UnregisterIfMatchesHost, &data);
return PL_DHASH_NEXT;
}
} // anonymous namespace
NS_IMPL_ISUPPORTS(ServiceWorkerDataInfo, nsIServiceWorkerInfo)
/* static */ already_AddRefed<ServiceWorkerDataInfo>
ServiceWorkerDataInfo::Create(const ServiceWorkerRegistrationData& aData)
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerDataInfo> info = new ServiceWorkerDataInfo();
info->mPrincipal = PrincipalInfoToPrincipal(aData.principal());
if (!info->mPrincipal) {
return nullptr;
}
CopyUTF8toUTF16(aData.scope(), info->mScope);
CopyUTF8toUTF16(aData.scriptSpec(), info->mScriptSpec);
CopyUTF8toUTF16(aData.currentWorkerURL(), info->mCurrentWorkerURL);
info->mActiveCacheName = aData.activeCacheName();
info->mWaitingCacheName = aData.waitingCacheName();
return info.forget();
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetPrincipal(nsIPrincipal** aPrincipal)
{
AssertIsOnMainThread();
NS_ADDREF(*aPrincipal = mPrincipal);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetScope(nsAString& aScope)
{
AssertIsOnMainThread();
aScope = mScope;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetScriptSpec(nsAString& aScriptSpec)
{
AssertIsOnMainThread();
aScriptSpec = mScriptSpec;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetCurrentWorkerURL(nsAString& aCurrentWorkerURL)
{
AssertIsOnMainThread();
aCurrentWorkerURL = mCurrentWorkerURL;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetActiveCacheName(nsAString& aActiveCacheName)
{
AssertIsOnMainThread();
aActiveCacheName = mActiveCacheName;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerDataInfo::GetWaitingCacheName(nsAString& aWaitingCacheName)
{
AssertIsOnMainThread();
aWaitingCacheName = mWaitingCacheName;
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::GetAllRegistrations(nsIArray** aResult)
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerRegistrar> swr = ServiceWorkerRegistrar::Get();
MOZ_ASSERT(swr);
nsTArray<ServiceWorkerRegistrationData> data;
swr->GetRegistrations(data);
nsCOMPtr<nsIMutableArray> array(do_CreateInstance(NS_ARRAY_CONTRACTID));
if (!array) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (uint32_t i = 0, len = data.Length(); i < len; ++i) {
nsCOMPtr<nsIServiceWorkerInfo> info = ServiceWorkerDataInfo::Create(data[i]);
if (!info) {
return NS_ERROR_FAILURE;
}
array->AppendElement(info, false);
}
array.forget(aResult);
return NS_OK;
}
// MUST ONLY BE CALLED FROM UnregisterIfMatchesHost!
void
ServiceWorkerManager::ForceUnregister(RegistrationDataPerPrincipal* aRegistrationData,
ServiceWorkerRegistrationInfo* aRegistration)
{
MOZ_ASSERT(aRegistrationData);
MOZ_ASSERT(aRegistration);
ServiceWorkerJobQueue* queue;
aRegistrationData->mJobQueues.Get(aRegistration->mScope, &queue);
if (queue) {
queue->CancelJobs();
}
// Since Unregister is async, it is ok to call it in an enumeration.
Unregister(aRegistration->mPrincipal, nullptr, NS_ConvertUTF8toUTF16(aRegistration->mScope));
}
NS_IMETHODIMP
ServiceWorkerManager::Remove(const nsACString& aHost)
{
AssertIsOnMainThread();
mRegistrationInfos.EnumerateRead(UnregisterIfMatchesHostPerPrincipal,
&const_cast<nsACString&>(aHost));
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::RemoveAll()
{
AssertIsOnMainThread();
mRegistrationInfos.EnumerateRead(UnregisterIfMatchesHostPerPrincipal, nullptr);
return NS_OK;
}
static PLDHashOperator
UpdateEachRegistration(const nsACString& aKey,
ServiceWorkerRegistrationInfo* aInfo,
void* aUserArg) {
auto This = static_cast<ServiceWorkerManager*>(aUserArg);
MOZ_ASSERT(!aInfo->mScope.IsEmpty());
This->SoftUpdate(aInfo->mPrincipal, aInfo->mScope);
return PL_DHASH_NEXT;
}
static PLDHashOperator
UpdateEachRegistrationPerPrincipal(const nsACString& aKey,
ServiceWorkerManager::RegistrationDataPerPrincipal* aData,
void* aUserArg) {
aData->mInfos.EnumerateRead(UpdateEachRegistration, aUserArg);
return PL_DHASH_NEXT;
}
NS_IMETHODIMP
ServiceWorkerManager::UpdateAllRegistrations()
{
AssertIsOnMainThread();
mRegistrationInfos.EnumerateRead(UpdateEachRegistrationPerPrincipal, this);
return NS_OK;
}
NS_IMETHODIMP
ServiceWorkerManager::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
nsAutoTArray<ContentParent*,1> children;
ContentParent::GetAll(children);
if (strcmp(aTopic, PURGE_SESSION_HISTORY) == 0) {
for (uint32_t i = 0; i < children.Length(); i++) {
unused << children[i]->SendRemoveServiceWorkerRegistrations();
}
RemoveAll();
} else if (strcmp(aTopic, PURGE_DOMAIN_DATA) == 0) {
nsAutoString domain(aData);
for (uint32_t i = 0; i < children.Length(); i++) {
unused << children[i]->SendRemoveServiceWorkerRegistrationsForDomain(domain);
}
Remove(NS_ConvertUTF16toUTF8(domain));
} else if (strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID) == 0) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID);
obs->RemoveObserver(this, PURGE_SESSION_HISTORY);
obs->RemoveObserver(this, PURGE_DOMAIN_DATA);
}
} else {
MOZ_CRASH("Received message we aren't supposed to be registered for!");
}
return NS_OK;
}
void
ServiceWorkerInfo::AppendWorker(ServiceWorker* aWorker)
{
MOZ_ASSERT(aWorker);
#ifdef DEBUG
nsAutoString workerURL;
aWorker->GetScriptURL(workerURL);
MOZ_ASSERT(workerURL.Equals(NS_ConvertUTF8toUTF16(mScriptSpec)));
#endif
MOZ_ASSERT(!mInstances.Contains(aWorker));
mInstances.AppendElement(aWorker);
aWorker->SetState(State());
}
void
ServiceWorkerInfo::RemoveWorker(ServiceWorker* aWorker)
{
MOZ_ASSERT(aWorker);
#ifdef DEBUG
nsAutoString workerURL;
aWorker->GetScriptURL(workerURL);
MOZ_ASSERT(workerURL.Equals(NS_ConvertUTF8toUTF16(mScriptSpec)));
#endif
MOZ_ASSERT(mInstances.Contains(aWorker));
mInstances.RemoveElement(aWorker);
}
void
ServiceWorkerInfo::UpdateState(ServiceWorkerState aState)
{
#ifdef DEBUG
// Any state can directly transition to redundant, but everything else is
// ordered.
if (aState != ServiceWorkerState::Redundant) {
MOZ_ASSERT_IF(mState == ServiceWorkerState::EndGuard_, aState == ServiceWorkerState::Installing);
MOZ_ASSERT_IF(mState == ServiceWorkerState::Installing, aState == ServiceWorkerState::Installed);
MOZ_ASSERT_IF(mState == ServiceWorkerState::Installed, aState == ServiceWorkerState::Activating);
MOZ_ASSERT_IF(mState == ServiceWorkerState::Activating, aState == ServiceWorkerState::Activated);
}
// Activated can only go to redundant.
MOZ_ASSERT_IF(mState == ServiceWorkerState::Activated, aState == ServiceWorkerState::Redundant);
#endif
mState = aState;
for (uint32_t i = 0; i < mInstances.Length(); ++i) {
mInstances[i]->QueueStateChangeEvent(mState);
}
}
static uint64_t gServiceWorkerInfoCurrentID = 0;
uint64_t
ServiceWorkerInfo::GetNextID() const
{
return ++gServiceWorkerInfoCurrentID;
}
END_WORKERS_NAMESPACE