| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WorkerModuleScriptLoader.h" |
| |
| #include "CachedScriptFetcher.h" |
| #include "DOMWrapperWorld.h" |
| #include "Frame.h" |
| #include "JSDOMBinding.h" |
| #include "JSDOMPromiseDeferred.h" |
| #include "ModuleFetchParameters.h" |
| #include "ResourceLoaderOptions.h" |
| #include "ScriptController.h" |
| #include "ScriptModuleLoader.h" |
| #include "ScriptSourceCode.h" |
| #include "ServiceWorkerGlobalScope.h" |
| #include "WorkerScriptFetcher.h" |
| #include "WorkerScriptLoader.h" |
| |
| namespace WebCore { |
| |
| Ref<WorkerModuleScriptLoader> WorkerModuleScriptLoader::create(ModuleScriptLoaderClient& client, DeferredPromise& promise, WorkerScriptFetcher& scriptFetcher, RefPtr<ModuleFetchParameters>&& parameters) |
| { |
| return adoptRef(*new WorkerModuleScriptLoader(client, promise, scriptFetcher, WTFMove(parameters))); |
| } |
| |
| WorkerModuleScriptLoader::WorkerModuleScriptLoader(ModuleScriptLoaderClient& client, DeferredPromise& promise, WorkerScriptFetcher& scriptFetcher, RefPtr<ModuleFetchParameters>&& parameters) |
| : ModuleScriptLoader(client, promise, scriptFetcher, WTFMove(parameters)) |
| , m_scriptLoader(WorkerScriptLoader::create()) |
| { |
| } |
| |
| WorkerModuleScriptLoader::~WorkerModuleScriptLoader() |
| { |
| m_scriptLoader->cancel(); |
| } |
| |
| bool WorkerModuleScriptLoader::load(ScriptExecutionContext& context, URL&& sourceURL) |
| { |
| m_sourceURL = WTFMove(sourceURL); |
| |
| #if ENABLE(SERVICE_WORKER) |
| if (is<ServiceWorkerGlobalScope>(context)) { |
| if (auto* scriptResource = downcast<ServiceWorkerGlobalScope>(context).scriptResource(m_sourceURL)) { |
| m_script = scriptResource->script; |
| m_responseURL = scriptResource->responseURL; |
| m_responseMIMEType = scriptResource->mimeType; |
| m_retrievedFromServiceWorkerCache = true; |
| notifyClientFinished(); |
| return true; |
| } |
| } |
| #endif |
| |
| ResourceRequest request { m_sourceURL }; |
| |
| FetchOptions fetchOptions; |
| fetchOptions.mode = FetchOptions::Mode::Cors; |
| fetchOptions.cache = FetchOptions::Cache::Default; |
| fetchOptions.redirect = FetchOptions::Redirect::Follow; |
| fetchOptions.credentials = static_cast<WorkerScriptFetcher&>(scriptFetcher()).credentials(); |
| fetchOptions.destination = static_cast<WorkerScriptFetcher&>(scriptFetcher()).destination(); |
| fetchOptions.referrerPolicy = static_cast<WorkerScriptFetcher&>(scriptFetcher()).referrerPolicy(); |
| auto contentSecurityPolicyEnforcement = context.shouldBypassMainWorldContentSecurityPolicy() ? ContentSecurityPolicyEnforcement::DoNotEnforce : ContentSecurityPolicyEnforcement::EnforceWorkerSrcDirective; |
| |
| // https://html.spec.whatwg.org/multipage/webappapis.html#fetch-a-single-module-script |
| // If destination is "worker" or "sharedworker" and the top-level module fetch flag is set, then set request's mode to "same-origin". |
| if (fetchOptions.destination == FetchOptions::Destination::Worker || fetchOptions.destination == FetchOptions::Destination::Serviceworker) { |
| if (parameters() && parameters()->isTopLevelModule()) |
| fetchOptions.mode = FetchOptions::Mode::SameOrigin; |
| } |
| |
| m_scriptLoader->loadAsynchronously(context, WTFMove(request), WorkerScriptLoader::Source::ModuleScript, WTFMove(fetchOptions), contentSecurityPolicyEnforcement, ServiceWorkersMode::All, *this, taskMode()); |
| return true; |
| } |
| |
| ReferrerPolicy WorkerModuleScriptLoader::referrerPolicy() |
| { |
| if (auto policy = parseReferrerPolicy(m_scriptLoader->referrerPolicy(), ReferrerPolicySource::HTTPHeader)) |
| return *policy; |
| return ReferrerPolicy::EmptyString; |
| } |
| |
| void WorkerModuleScriptLoader::notifyFinished() |
| { |
| ASSERT(m_promise); |
| |
| if (m_scriptLoader->failed()) |
| m_failed = true; |
| else { |
| m_script = m_scriptLoader->script(); |
| m_responseURL = m_scriptLoader->responseURL(); |
| m_responseMIMEType = m_scriptLoader->responseMIMEType(); |
| } |
| |
| notifyClientFinished(); |
| } |
| |
| void WorkerModuleScriptLoader::notifyClientFinished() |
| { |
| Ref protectedThis { *this }; |
| |
| if (m_client) |
| m_client->notifyFinished(*this, WTFMove(m_sourceURL), m_promise.releaseNonNull()); |
| } |
| |
| String WorkerModuleScriptLoader::taskMode() |
| { |
| return "loadModulesInWorkerOrWorkletMode"_s; |
| } |
| |
| } |