tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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ServiceWorkerRegisterJob.cpp (2318B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "ServiceWorkerRegisterJob.h"
      8 
      9 #include "ServiceWorkerManager.h"
     10 #include "mozilla/ProfilerMarkers.h"
     11 #include "mozilla/dom/WorkerCommon.h"
     12 
     13 namespace mozilla::dom {
     14 
     15 ServiceWorkerRegisterJob::ServiceWorkerRegisterJob(
     16    nsIPrincipal* aPrincipal, const nsACString& aScope, const WorkerType& aType,
     17    const nsACString& aScriptSpec, ServiceWorkerUpdateViaCache aUpdateViaCache,
     18    const ServiceWorkerLifetimeExtension& aLifetimeExtension)
     19    : ServiceWorkerUpdateJob(Type::Register, aPrincipal, aScope,
     20                             nsCString(aScriptSpec), aUpdateViaCache,
     21                             aLifetimeExtension),
     22      mType(aType) {}
     23 
     24 void ServiceWorkerRegisterJob::AsyncExecute() {
     25  MOZ_ASSERT(NS_IsMainThread());
     26 
     27  AUTO_PROFILER_MARKER_UNTYPED("SWRJ AsyncExecute", DOM, {});
     28 
     29  RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
     30  if (Canceled() || !swm) {
     31    FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
     32    return;
     33  }
     34 
     35  RefPtr<ServiceWorkerRegistrationInfo> registration =
     36      swm->GetRegistration(mPrincipal, mScope);
     37 
     38  if (registration) {
     39    // if registration already exists, comparing it's options to see if
     40    // they have been changed
     41    bool sameOptions =
     42        GetUpdateViaCache() == registration->GetUpdateViaCache() &&
     43        mType == registration->Type();
     44 
     45    registration->SetOptions(GetUpdateViaCache(), mType);
     46 
     47    RefPtr<ServiceWorkerInfo> newest = registration->Newest();
     48    if (newest && mScriptSpec.Equals(newest->ScriptSpec()) && sameOptions) {
     49      SetRegistration(registration);
     50      Finish(NS_OK);
     51      return;
     52    }
     53  } else {
     54    registration = swm->CreateNewRegistration(mScope, mType, mPrincipal,
     55                                              GetUpdateViaCache());
     56    if (!registration) {
     57      FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
     58      return;
     59    }
     60  }
     61 
     62  SetRegistration(registration);
     63  Update();
     64 }
     65 
     66 ServiceWorkerRegisterJob::~ServiceWorkerRegisterJob() = default;
     67 
     68 }  // namespace mozilla::dom