755 lines
21 KiB
C++
755 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Fetch.h"
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#include "FetchConsumer.h"
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#include "nsIDocument.h"
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#include "nsIGlobalObject.h"
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#include "nsIStreamLoader.h"
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#include "nsIThreadRetargetableRequest.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsDOMString.h"
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#include "nsNetUtil.h"
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#include "nsReadableUtils.h"
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#include "nsStreamUtils.h"
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#include "nsStringStream.h"
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#include "nsProxyRelease.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BodyUtil.h"
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#include "mozilla/dom/EncodingUtils.h"
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#include "mozilla/dom/Exceptions.h"
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#include "mozilla/dom/FetchDriver.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FormData.h"
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#include "mozilla/dom/Headers.h"
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#include "mozilla/dom/MutableBlobStreamListener.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/PromiseWorkerProxy.h"
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#include "mozilla/dom/Request.h"
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#include "mozilla/dom/Response.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/URLSearchParams.h"
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#include "mozilla/dom/workers/ServiceWorkerManager.h"
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#include "InternalRequest.h"
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#include "InternalResponse.h"
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#include "WorkerPrivate.h"
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#include "WorkerRunnable.h"
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#include "WorkerScope.h"
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#include "Workers.h"
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namespace mozilla {
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namespace dom {
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using namespace workers;
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class WorkerFetchResolver final : public FetchDriverObserver
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{
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friend class MainThreadFetchRunnable;
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friend class WorkerFetchResponseEndRunnable;
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friend class WorkerFetchResponseRunnable;
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RefPtr<PromiseWorkerProxy> mPromiseProxy;
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public:
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// Returns null if worker is shutting down.
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static already_AddRefed<WorkerFetchResolver>
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Create(workers::WorkerPrivate* aWorkerPrivate, Promise* aPromise)
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{
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MOZ_ASSERT(aWorkerPrivate);
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aWorkerPrivate->AssertIsOnWorkerThread();
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RefPtr<PromiseWorkerProxy> proxy = PromiseWorkerProxy::Create(aWorkerPrivate, aPromise);
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if (!proxy) {
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return nullptr;
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}
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RefPtr<WorkerFetchResolver> r = new WorkerFetchResolver(proxy);
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return r.forget();
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}
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void
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OnResponseAvailableInternal(InternalResponse* aResponse) override;
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void
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OnResponseEnd() override;
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private:
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explicit WorkerFetchResolver(PromiseWorkerProxy* aProxy)
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: mPromiseProxy(aProxy)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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MOZ_ASSERT(mPromiseProxy);
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}
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~WorkerFetchResolver()
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{}
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virtual void
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FlushConsoleReport() override;
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};
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class MainThreadFetchResolver final : public FetchDriverObserver
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{
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RefPtr<Promise> mPromise;
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RefPtr<Response> mResponse;
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nsCOMPtr<nsIDocument> mDocument;
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NS_DECL_OWNINGTHREAD
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public:
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explicit MainThreadFetchResolver(Promise* aPromise);
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void
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OnResponseAvailableInternal(InternalResponse* aResponse) override;
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void SetDocument(nsIDocument* aDocument)
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{
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mDocument = aDocument;
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}
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virtual void OnResponseEnd() override
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{
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FlushConsoleReport();
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}
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private:
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~MainThreadFetchResolver();
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void FlushConsoleReport() override
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{
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mReporter->FlushConsoleReports(mDocument);
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}
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};
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class MainThreadFetchRunnable : public Runnable
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{
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RefPtr<WorkerFetchResolver> mResolver;
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RefPtr<InternalRequest> mRequest;
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public:
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MainThreadFetchRunnable(WorkerFetchResolver* aResolver,
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InternalRequest* aRequest)
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: mResolver(aResolver)
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, mRequest(aRequest)
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{
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MOZ_ASSERT(mResolver);
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}
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NS_IMETHOD
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Run() override
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{
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AssertIsOnMainThread();
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RefPtr<FetchDriver> fetch;
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RefPtr<PromiseWorkerProxy> proxy = mResolver->mPromiseProxy;
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{
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// Acquire the proxy mutex while getting data from the WorkerPrivate...
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MutexAutoLock lock(proxy->Lock());
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if (proxy->CleanedUp()) {
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NS_WARNING("Aborting Fetch because worker already shut down");
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return NS_OK;
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}
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nsCOMPtr<nsIPrincipal> principal = proxy->GetWorkerPrivate()->GetPrincipal();
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MOZ_ASSERT(principal);
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nsCOMPtr<nsILoadGroup> loadGroup = proxy->GetWorkerPrivate()->GetLoadGroup();
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MOZ_ASSERT(loadGroup);
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fetch = new FetchDriver(mRequest, principal, loadGroup);
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nsAutoCString spec;
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if (proxy->GetWorkerPrivate()->GetBaseURI()) {
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proxy->GetWorkerPrivate()->GetBaseURI()->GetAsciiSpec(spec);
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}
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fetch->SetWorkerScript(spec);
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}
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// ...but release it before calling Fetch, because mResolver's callback can
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// be called synchronously and they want the mutex, too.
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return fetch->Fetch(mResolver);
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}
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};
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already_AddRefed<Promise>
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FetchRequest(nsIGlobalObject* aGlobal, const RequestOrUSVString& aInput,
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const RequestInit& aInit, ErrorResult& aRv)
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{
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RefPtr<Promise> p = Promise::Create(aGlobal, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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// Double check that we have chrome privileges if the Request's content
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// policy type has been overridden. Note, we must do this before
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// entering the global below. Otherwise the IsCallerChrome() will
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// always fail.
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MOZ_ASSERT_IF(aInput.IsRequest() &&
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aInput.GetAsRequest().IsContentPolicyTypeOverridden(),
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nsContentUtils::IsCallerChrome());
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AutoJSAPI jsapi;
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if (!jsapi.Init(aGlobal)) {
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aRv.Throw(NS_ERROR_NOT_AVAILABLE);
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return nullptr;
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}
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JSContext* cx = jsapi.cx();
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JS::Rooted<JSObject*> jsGlobal(cx, aGlobal->GetGlobalJSObject());
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GlobalObject global(cx, jsGlobal);
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RefPtr<Request> request = Request::Constructor(global, aInput, aInit, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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RefPtr<InternalRequest> r = request->GetInternalRequest();
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if (NS_IsMainThread()) {
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nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal);
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nsCOMPtr<nsIDocument> doc;
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nsCOMPtr<nsILoadGroup> loadGroup;
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nsIPrincipal* principal;
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if (window) {
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doc = window->GetExtantDoc();
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if (!doc) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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principal = doc->NodePrincipal();
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loadGroup = doc->GetDocumentLoadGroup();
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} else {
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principal = aGlobal->PrincipalOrNull();
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if (NS_WARN_IF(!principal)) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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nsresult rv = NS_NewLoadGroup(getter_AddRefs(loadGroup), principal);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(rv);
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return nullptr;
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}
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}
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RefPtr<MainThreadFetchResolver> resolver = new MainThreadFetchResolver(p);
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RefPtr<FetchDriver> fetch = new FetchDriver(r, principal, loadGroup);
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fetch->SetDocument(doc);
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resolver->SetDocument(doc);
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aRv = fetch->Fetch(resolver);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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} else {
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WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
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MOZ_ASSERT(worker);
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if (worker->IsServiceWorker()) {
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r->SetSkipServiceWorker();
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}
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RefPtr<WorkerFetchResolver> resolver = WorkerFetchResolver::Create(worker, p);
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if (!resolver) {
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NS_WARNING("Could not add WorkerFetchResolver workerHolder to worker");
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aRv.Throw(NS_ERROR_DOM_ABORT_ERR);
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return nullptr;
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}
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RefPtr<MainThreadFetchRunnable> run = new MainThreadFetchRunnable(resolver, r);
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MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(run));
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}
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return p.forget();
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}
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MainThreadFetchResolver::MainThreadFetchResolver(Promise* aPromise)
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: mPromise(aPromise)
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{
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}
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void
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MainThreadFetchResolver::OnResponseAvailableInternal(InternalResponse* aResponse)
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{
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NS_ASSERT_OWNINGTHREAD(MainThreadFetchResolver);
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AssertIsOnMainThread();
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if (aResponse->Type() != ResponseType::Error) {
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nsCOMPtr<nsIGlobalObject> go = mPromise->GetParentObject();
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mResponse = new Response(go, aResponse);
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mPromise->MaybeResolve(mResponse);
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} else {
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ErrorResult result;
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result.ThrowTypeError<MSG_FETCH_FAILED>();
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mPromise->MaybeReject(result);
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}
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}
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MainThreadFetchResolver::~MainThreadFetchResolver()
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{
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NS_ASSERT_OWNINGTHREAD(MainThreadFetchResolver);
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}
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class WorkerFetchResponseRunnable final : public MainThreadWorkerRunnable
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{
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RefPtr<WorkerFetchResolver> mResolver;
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// Passed from main thread to worker thread after being initialized.
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RefPtr<InternalResponse> mInternalResponse;
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public:
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WorkerFetchResponseRunnable(WorkerPrivate* aWorkerPrivate,
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WorkerFetchResolver* aResolver,
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InternalResponse* aResponse)
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: MainThreadWorkerRunnable(aWorkerPrivate)
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, mResolver(aResolver)
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, mInternalResponse(aResponse)
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{
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}
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bool
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WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
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{
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MOZ_ASSERT(aWorkerPrivate);
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aWorkerPrivate->AssertIsOnWorkerThread();
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RefPtr<Promise> promise = mResolver->mPromiseProxy->WorkerPromise();
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if (mInternalResponse->Type() != ResponseType::Error) {
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RefPtr<nsIGlobalObject> global = aWorkerPrivate->GlobalScope();
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RefPtr<Response> response = new Response(global, mInternalResponse);
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promise->MaybeResolve(response);
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} else {
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ErrorResult result;
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result.ThrowTypeError<MSG_FETCH_FAILED>();
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promise->MaybeReject(result);
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}
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return true;
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}
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};
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class WorkerFetchResponseEndBase
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{
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RefPtr<PromiseWorkerProxy> mPromiseProxy;
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public:
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explicit WorkerFetchResponseEndBase(PromiseWorkerProxy* aPromiseProxy)
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: mPromiseProxy(aPromiseProxy)
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{
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MOZ_ASSERT(mPromiseProxy);
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}
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void
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WorkerRunInternal(WorkerPrivate* aWorkerPrivate)
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{
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MOZ_ASSERT(aWorkerPrivate);
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aWorkerPrivate->AssertIsOnWorkerThread();
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mPromiseProxy->CleanUp();
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}
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};
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class WorkerFetchResponseEndRunnable final : public MainThreadWorkerRunnable
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, public WorkerFetchResponseEndBase
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{
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public:
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explicit WorkerFetchResponseEndRunnable(PromiseWorkerProxy* aPromiseProxy)
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: MainThreadWorkerRunnable(aPromiseProxy->GetWorkerPrivate())
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, WorkerFetchResponseEndBase(aPromiseProxy)
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{
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}
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bool
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WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
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{
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WorkerRunInternal(aWorkerPrivate);
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return true;
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}
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nsresult
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Cancel() override
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{
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// Execute Run anyway to make sure we cleanup our promise proxy to avoid
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// leaking the worker thread
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Run();
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return WorkerRunnable::Cancel();
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}
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};
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class WorkerFetchResponseEndControlRunnable final : public MainThreadWorkerControlRunnable
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, public WorkerFetchResponseEndBase
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{
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public:
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explicit WorkerFetchResponseEndControlRunnable(PromiseWorkerProxy* aPromiseProxy)
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: MainThreadWorkerControlRunnable(aPromiseProxy->GetWorkerPrivate())
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, WorkerFetchResponseEndBase(aPromiseProxy)
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{
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}
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bool
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WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
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{
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WorkerRunInternal(aWorkerPrivate);
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return true;
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}
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// Control runnable cancel already calls Run().
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};
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void
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WorkerFetchResolver::OnResponseAvailableInternal(InternalResponse* aResponse)
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{
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AssertIsOnMainThread();
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MutexAutoLock lock(mPromiseProxy->Lock());
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if (mPromiseProxy->CleanedUp()) {
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return;
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}
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RefPtr<WorkerFetchResponseRunnable> r =
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new WorkerFetchResponseRunnable(mPromiseProxy->GetWorkerPrivate(), this,
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aResponse);
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if (!r->Dispatch()) {
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NS_WARNING("Could not dispatch fetch response");
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}
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}
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void
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WorkerFetchResolver::OnResponseEnd()
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{
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AssertIsOnMainThread();
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MutexAutoLock lock(mPromiseProxy->Lock());
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if (mPromiseProxy->CleanedUp()) {
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return;
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}
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FlushConsoleReport();
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RefPtr<WorkerFetchResponseEndRunnable> r =
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new WorkerFetchResponseEndRunnable(mPromiseProxy);
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if (!r->Dispatch()) {
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RefPtr<WorkerFetchResponseEndControlRunnable> cr =
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new WorkerFetchResponseEndControlRunnable(mPromiseProxy);
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// This can fail if the worker thread is canceled or killed causing
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// the PromiseWorkerProxy to give up its WorkerHolder immediately,
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// allowing the worker thread to become Dead.
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if (!cr->Dispatch()) {
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NS_WARNING("Failed to dispatch WorkerFetchResponseEndControlRunnable");
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}
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}
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}
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void
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WorkerFetchResolver::FlushConsoleReport()
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{
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AssertIsOnMainThread();
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MOZ_ASSERT(mPromiseProxy);
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if(!mReporter) {
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return;
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}
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workers::WorkerPrivate* worker = mPromiseProxy->GetWorkerPrivate();
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if (!worker) {
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mReporter->FlushConsoleReports((nsIDocument*)nullptr);
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return;
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}
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if (worker->IsServiceWorker()) {
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// Flush to service worker
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RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
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if (!swm) {
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mReporter->FlushConsoleReports((nsIDocument*)nullptr);
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return;
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}
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swm->FlushReportsToAllClients(worker->WorkerName(), mReporter);
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return;
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}
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if (worker->IsSharedWorker()) {
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// Flush to shared worker
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worker->FlushReportsToSharedWorkers(mReporter);
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return;
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}
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// Flush to dedicated worker
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mReporter->FlushConsoleReports(worker->GetDocument());
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}
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namespace {
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nsresult
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ExtractFromArrayBuffer(const ArrayBuffer& aBuffer,
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nsIInputStream** aStream,
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uint64_t& aContentLength)
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{
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aBuffer.ComputeLengthAndData();
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aContentLength = aBuffer.Length();
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//XXXnsm reinterpret_cast<> is used in DOMParser, should be ok.
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return NS_NewByteInputStream(aStream,
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reinterpret_cast<char*>(aBuffer.Data()),
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aBuffer.Length(), NS_ASSIGNMENT_COPY);
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}
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nsresult
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ExtractFromArrayBufferView(const ArrayBufferView& aBuffer,
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nsIInputStream** aStream,
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uint64_t& aContentLength)
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{
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aBuffer.ComputeLengthAndData();
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aContentLength = aBuffer.Length();
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//XXXnsm reinterpret_cast<> is used in DOMParser, should be ok.
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return NS_NewByteInputStream(aStream,
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reinterpret_cast<char*>(aBuffer.Data()),
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aBuffer.Length(), NS_ASSIGNMENT_COPY);
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}
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nsresult
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ExtractFromBlob(const Blob& aBlob,
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nsIInputStream** aStream,
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nsCString& aContentType,
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uint64_t& aContentLength)
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{
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RefPtr<BlobImpl> impl = aBlob.Impl();
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ErrorResult rv;
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aContentLength = impl->GetSize(rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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impl->GetInternalStream(aStream, rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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nsAutoString type;
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impl->GetType(type);
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aContentType = NS_ConvertUTF16toUTF8(type);
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return NS_OK;
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}
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nsresult
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ExtractFromFormData(FormData& aFormData,
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nsIInputStream** aStream,
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nsCString& aContentType,
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uint64_t& aContentLength)
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{
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nsAutoCString unusedCharset;
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return aFormData.GetSendInfo(aStream, &aContentLength,
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aContentType, unusedCharset);
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}
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nsresult
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ExtractFromUSVString(const nsString& aStr,
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nsIInputStream** aStream,
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nsCString& aContentType,
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uint64_t& aContentLength)
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{
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nsCOMPtr<nsIUnicodeEncoder> encoder = EncodingUtils::EncoderForEncoding("UTF-8");
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if (!encoder) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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int32_t destBufferLen;
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nsresult rv = encoder->GetMaxLength(aStr.get(), aStr.Length(), &destBufferLen);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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nsCString encoded;
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|
if (!encoded.SetCapacity(destBufferLen, fallible)) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
char* destBuffer = encoded.BeginWriting();
|
|
int32_t srcLen = (int32_t) aStr.Length();
|
|
int32_t outLen = destBufferLen;
|
|
rv = encoder->Convert(aStr.get(), &srcLen, destBuffer, &outLen);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
MOZ_ASSERT(outLen <= destBufferLen);
|
|
encoded.SetLength(outLen);
|
|
|
|
aContentType = NS_LITERAL_CSTRING("text/plain;charset=UTF-8");
|
|
aContentLength = outLen;
|
|
|
|
return NS_NewCStringInputStream(aStream, encoded);
|
|
}
|
|
|
|
nsresult
|
|
ExtractFromURLSearchParams(const URLSearchParams& aParams,
|
|
nsIInputStream** aStream,
|
|
nsCString& aContentType,
|
|
uint64_t& aContentLength)
|
|
{
|
|
nsAutoString serialized;
|
|
aParams.Stringify(serialized);
|
|
aContentType = NS_LITERAL_CSTRING("application/x-www-form-urlencoded;charset=UTF-8");
|
|
aContentLength = serialized.Length();
|
|
return NS_NewCStringInputStream(aStream, NS_ConvertUTF16toUTF8(serialized));
|
|
}
|
|
} // namespace
|
|
|
|
nsresult
|
|
ExtractByteStreamFromBody(const OwningArrayBufferOrArrayBufferViewOrBlobOrFormDataOrUSVStringOrURLSearchParams& aBodyInit,
|
|
nsIInputStream** aStream,
|
|
nsCString& aContentType,
|
|
uint64_t& aContentLength)
|
|
{
|
|
MOZ_ASSERT(aStream);
|
|
|
|
if (aBodyInit.IsArrayBuffer()) {
|
|
const ArrayBuffer& buf = aBodyInit.GetAsArrayBuffer();
|
|
return ExtractFromArrayBuffer(buf, aStream, aContentLength);
|
|
}
|
|
if (aBodyInit.IsArrayBufferView()) {
|
|
const ArrayBufferView& buf = aBodyInit.GetAsArrayBufferView();
|
|
return ExtractFromArrayBufferView(buf, aStream, aContentLength);
|
|
}
|
|
if (aBodyInit.IsBlob()) {
|
|
const Blob& blob = aBodyInit.GetAsBlob();
|
|
return ExtractFromBlob(blob, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsFormData()) {
|
|
FormData& form = aBodyInit.GetAsFormData();
|
|
return ExtractFromFormData(form, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsUSVString()) {
|
|
nsAutoString str;
|
|
str.Assign(aBodyInit.GetAsUSVString());
|
|
return ExtractFromUSVString(str, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsURLSearchParams()) {
|
|
URLSearchParams& params = aBodyInit.GetAsURLSearchParams();
|
|
return ExtractFromURLSearchParams(params, aStream, aContentType, aContentLength);
|
|
}
|
|
|
|
NS_NOTREACHED("Should never reach here");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult
|
|
ExtractByteStreamFromBody(const ArrayBufferOrArrayBufferViewOrBlobOrFormDataOrUSVStringOrURLSearchParams& aBodyInit,
|
|
nsIInputStream** aStream,
|
|
nsCString& aContentType,
|
|
uint64_t& aContentLength)
|
|
{
|
|
MOZ_ASSERT(aStream);
|
|
MOZ_ASSERT(!*aStream);
|
|
|
|
if (aBodyInit.IsArrayBuffer()) {
|
|
const ArrayBuffer& buf = aBodyInit.GetAsArrayBuffer();
|
|
return ExtractFromArrayBuffer(buf, aStream, aContentLength);
|
|
}
|
|
if (aBodyInit.IsArrayBufferView()) {
|
|
const ArrayBufferView& buf = aBodyInit.GetAsArrayBufferView();
|
|
return ExtractFromArrayBufferView(buf, aStream, aContentLength);
|
|
}
|
|
if (aBodyInit.IsBlob()) {
|
|
const Blob& blob = aBodyInit.GetAsBlob();
|
|
return ExtractFromBlob(blob, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsFormData()) {
|
|
FormData& form = aBodyInit.GetAsFormData();
|
|
return ExtractFromFormData(form, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsUSVString()) {
|
|
nsAutoString str;
|
|
str.Assign(aBodyInit.GetAsUSVString());
|
|
return ExtractFromUSVString(str, aStream, aContentType, aContentLength);
|
|
}
|
|
if (aBodyInit.IsURLSearchParams()) {
|
|
URLSearchParams& params = aBodyInit.GetAsURLSearchParams();
|
|
return ExtractFromURLSearchParams(params, aStream, aContentType, aContentLength);
|
|
}
|
|
|
|
NS_NOTREACHED("Should never reach here");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
template <class Derived>
|
|
FetchBody<Derived>::FetchBody()
|
|
: mWorkerPrivate(nullptr)
|
|
, mBodyUsed(false)
|
|
{
|
|
if (!NS_IsMainThread()) {
|
|
mWorkerPrivate = GetCurrentThreadWorkerPrivate();
|
|
MOZ_ASSERT(mWorkerPrivate);
|
|
}
|
|
}
|
|
|
|
template
|
|
FetchBody<Request>::FetchBody();
|
|
|
|
template
|
|
FetchBody<Response>::FetchBody();
|
|
|
|
template <class Derived>
|
|
FetchBody<Derived>::~FetchBody()
|
|
{
|
|
}
|
|
|
|
template <class Derived>
|
|
already_AddRefed<Promise>
|
|
FetchBody<Derived>::ConsumeBody(FetchConsumeType aType, ErrorResult& aRv)
|
|
{
|
|
if (BodyUsed()) {
|
|
aRv.ThrowTypeError<MSG_FETCH_BODY_CONSUMED_ERROR>();
|
|
return nullptr;
|
|
}
|
|
|
|
SetBodyUsed();
|
|
|
|
RefPtr<Promise> promise =
|
|
FetchBodyConsumer<Derived>::Create(DerivedClass()->GetParentObject(),
|
|
this, aType, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
return promise.forget();
|
|
}
|
|
|
|
template
|
|
already_AddRefed<Promise>
|
|
FetchBody<Request>::ConsumeBody(FetchConsumeType aType, ErrorResult& aRv);
|
|
|
|
template
|
|
already_AddRefed<Promise>
|
|
FetchBody<Response>::ConsumeBody(FetchConsumeType aType, ErrorResult& aRv);
|
|
|
|
template <class Derived>
|
|
void
|
|
FetchBody<Derived>::SetMimeType()
|
|
{
|
|
// Extract mime type.
|
|
ErrorResult result;
|
|
nsCString contentTypeValues;
|
|
MOZ_ASSERT(DerivedClass()->GetInternalHeaders());
|
|
DerivedClass()->GetInternalHeaders()->Get(NS_LITERAL_CSTRING("Content-Type"),
|
|
contentTypeValues, result);
|
|
MOZ_ALWAYS_TRUE(!result.Failed());
|
|
|
|
// HTTP ABNF states Content-Type may have only one value.
|
|
// This is from the "parse a header value" of the fetch spec.
|
|
if (!contentTypeValues.IsVoid() && contentTypeValues.Find(",") == -1) {
|
|
mMimeType = contentTypeValues;
|
|
ToLowerCase(mMimeType);
|
|
}
|
|
}
|
|
|
|
template
|
|
void
|
|
FetchBody<Request>::SetMimeType();
|
|
|
|
template
|
|
void
|
|
FetchBody<Response>::SetMimeType();
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|