| /* |
| * Copyright (C) 2017 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 "ServiceWorkerJob.h" |
| |
| #if ENABLE(SERVICE_WORKER) |
| |
| #include "HTTPHeaderNames.h" |
| #include "JSDOMPromiseDeferred.h" |
| #include "MIMETypeRegistry.h" |
| #include "ResourceError.h" |
| #include "ResourceResponse.h" |
| #include "ScriptExecutionContext.h" |
| #include "SecurityOrigin.h" |
| #include "ServiceWorkerJobData.h" |
| #include "ServiceWorkerRegistration.h" |
| #include "WorkerFetchResult.h" |
| #include "WorkerRunLoop.h" |
| |
| namespace WebCore { |
| |
| ServiceWorkerJob::ServiceWorkerJob(ServiceWorkerJobClient& client, RefPtr<DeferredPromise>&& promise, ServiceWorkerJobData&& jobData) |
| : m_client(client) |
| , m_jobData(WTFMove(jobData)) |
| , m_promise(WTFMove(promise)) |
| , m_contextIdentifier(client.contextIdentifier()) |
| { |
| } |
| |
| ServiceWorkerJob::~ServiceWorkerJob() |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| } |
| |
| RefPtr<DeferredPromise> ServiceWorkerJob::takePromise() |
| { |
| return WTFMove(m_promise); |
| } |
| |
| void ServiceWorkerJob::failedWithException(const Exception& exception) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| m_completed = true; |
| m_client.jobFailedWithException(*this, exception); |
| } |
| |
| void ServiceWorkerJob::resolvedWithRegistration(ServiceWorkerRegistrationData&& data, ShouldNotifyWhenResolved shouldNotifyWhenResolved) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| m_completed = true; |
| m_client.jobResolvedWithRegistration(*this, WTFMove(data), shouldNotifyWhenResolved); |
| } |
| |
| void ServiceWorkerJob::resolvedWithUnregistrationResult(bool unregistrationResult) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| m_completed = true; |
| m_client.jobResolvedWithUnregistrationResult(*this, unregistrationResult); |
| } |
| |
| void ServiceWorkerJob::startScriptFetch(FetchOptions::Cache cachePolicy) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| m_client.startScriptFetchForJob(*this, cachePolicy); |
| } |
| |
| static ResourceRequest scriptResourceRequest(ScriptExecutionContext& context, const URL& url) |
| { |
| ResourceRequest request { url }; |
| request.setInitiatorIdentifier(context.resourceRequestIdentifier()); |
| return request; |
| } |
| |
| static FetchOptions scriptFetchOptions(FetchOptions::Cache cachePolicy, FetchOptions::Destination destination) |
| { |
| FetchOptions options; |
| options.mode = FetchOptions::Mode::SameOrigin; |
| options.cache = cachePolicy; |
| options.redirect = FetchOptions::Redirect::Error; |
| options.destination = destination; |
| options.credentials = FetchOptions::Credentials::SameOrigin; |
| return options; |
| } |
| |
| ServiceWorkerJob::ImportedScriptsLoader::ImportedScriptsLoader(RefreshImportedScriptsCallback&& callback) |
| : m_callback(WTFMove(callback)) |
| { |
| } |
| |
| ServiceWorkerJob::ImportedScriptsLoader::~ImportedScriptsLoader() |
| { |
| if (m_callback) |
| m_callback({ }); |
| } |
| |
| void ServiceWorkerJob::ImportedScriptsLoader::load(ScriptExecutionContext& context, const Vector<URL>& urls, FetchOptions::Cache cachePolicy) |
| { |
| m_loaders.reserveCapacity(urls.size()); |
| for (auto& url : urls) { |
| auto scriptLoader = WorkerScriptLoader::create(); |
| scriptLoader->loadAsynchronously(context, scriptResourceRequest(context, url), WorkerScriptLoader::Source::ClassicWorkerScript, scriptFetchOptions(cachePolicy, FetchOptions::Destination::Script), ContentSecurityPolicyEnforcement::DoNotEnforce, ServiceWorkersMode::None, *this, WorkerRunLoop::defaultMode()); |
| if (scriptLoader->failed()) |
| continue; |
| m_loaders.uncheckedAppend(WTFMove(scriptLoader)); |
| } |
| m_remainingLoads = m_loaders.size(); |
| } |
| |
| void ServiceWorkerJob::ImportedScriptsLoader::cancel() |
| { |
| auto loaders = WTFMove(m_loaders); |
| for (auto loader : loaders) |
| loader->cancel(); |
| } |
| |
| void ServiceWorkerJob::ImportedScriptsLoader::notifyFinished() |
| { |
| if (--m_remainingLoads) |
| return; |
| |
| Vector<std::pair<URL, ScriptBuffer>> results; |
| results.reserveInitialCapacity(m_loaders.size()); |
| |
| auto loaders = WTFMove(m_loaders); |
| for (auto loader : loaders) { |
| if (!loader->failed()) |
| results.uncheckedAppend(std::make_pair(loader->url(), loader->script())); |
| } |
| |
| m_callback(WTFMove(results)); |
| } |
| |
| |
| void ServiceWorkerJob::refreshImportedScripts(const Vector<URL>& urls, FetchOptions::Cache cachePolicy, RefreshImportedScriptsCallback&& callback) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| auto* context = m_client.context(); |
| if (!context) { |
| callback({ }); |
| return; |
| } |
| |
| m_importedScriptsLoader = makeUnique<ImportedScriptsLoader>(WTFMove(callback)); |
| m_importedScriptsLoader->load(*context, urls, cachePolicy); |
| } |
| |
| void ServiceWorkerJob::fetchScriptWithContext(ScriptExecutionContext& context, FetchOptions::Cache cachePolicy) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| |
| auto source = m_jobData.workerType == WorkerType::Module ? WorkerScriptLoader::Source::ModuleScript : WorkerScriptLoader::Source::ClassicWorkerScript; |
| |
| m_scriptLoader = WorkerScriptLoader::create(); |
| auto request = scriptResourceRequest(context, m_jobData.scriptURL); |
| request.addHTTPHeaderField(HTTPHeaderName::ServiceWorker, "script"_s); |
| |
| m_scriptLoader->loadAsynchronously(context, WTFMove(request), source, scriptFetchOptions(cachePolicy, FetchOptions::Destination::Serviceworker), ContentSecurityPolicyEnforcement::DoNotEnforce, ServiceWorkersMode::None, *this, WorkerRunLoop::defaultMode()); |
| } |
| |
| ResourceError ServiceWorkerJob::validateServiceWorkerResponse(const ServiceWorkerJobData& jobData, const ResourceResponse& response) |
| { |
| // Extract a MIME type from the response's header list. If this MIME type (ignoring parameters) is not a JavaScript MIME type, then: |
| if (!MIMETypeRegistry::isSupportedJavaScriptMIMEType(response.mimeType())) |
| return { errorDomainWebKitInternal, 0, response.url(), "MIME Type is not a JavaScript MIME type"_s }; |
| |
| auto serviceWorkerAllowed = response.httpHeaderField(HTTPHeaderName::ServiceWorkerAllowed); |
| String maxScopeString; |
| if (serviceWorkerAllowed.isNull()) { |
| auto path = jobData.scriptURL.path(); |
| // Last part of the path is the script's filename. |
| maxScopeString = path.left(path.reverseFind('/') + 1).toString(); |
| } else { |
| auto maxScope = URL(jobData.scriptURL, serviceWorkerAllowed); |
| if (SecurityOrigin::create(maxScope)->isSameOriginAs(SecurityOrigin::create(jobData.scriptURL))) |
| maxScopeString = maxScope.path().toString(); |
| } |
| |
| auto scopeString = jobData.scopeURL.path(); |
| if (maxScopeString.isNull() || !scopeString.startsWith(maxScopeString)) |
| return { errorDomainWebKitInternal, 0, response.url(), "Scope URL should start with the given script URL"_s }; |
| |
| return { }; |
| } |
| |
| void ServiceWorkerJob::didReceiveResponse(ResourceLoaderIdentifier, const ResourceResponse& response) |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(!m_completed); |
| ASSERT(m_scriptLoader); |
| |
| auto error = validateServiceWorkerResponse(m_jobData, response); |
| if (error.isNull()) |
| return; |
| |
| m_scriptLoader->cancel(); |
| m_scriptLoader = nullptr; |
| |
| Exception exception { SecurityError, error.localizedDescription() }; |
| m_client.jobFailedLoadingScript(*this, WTFMove(error), WTFMove(exception)); |
| } |
| |
| void ServiceWorkerJob::notifyFinished() |
| { |
| ASSERT(m_creationThread.ptr() == &Thread::current()); |
| ASSERT(m_scriptLoader); |
| |
| auto scriptLoader = WTFMove(m_scriptLoader); |
| |
| if (!scriptLoader->failed()) { |
| m_client.jobFinishedLoadingScript(*this, scriptLoader->fetchResult()); |
| return; |
| } |
| |
| auto& error = scriptLoader->error(); |
| ASSERT(!error.isNull()); |
| |
| m_client.jobFailedLoadingScript(*this, error, Exception { error.isAccessControl() ? SecurityError : TypeError, makeString("Script ", scriptLoader->url().string(), " load failed") }); |
| } |
| |
| bool ServiceWorkerJob::cancelPendingLoad() |
| { |
| if (auto importedScriptsLoader = WTFMove(m_importedScriptsLoader)) |
| importedScriptsLoader->cancel(); |
| |
| if (auto loader = WTFMove(m_scriptLoader)) { |
| m_scriptLoader->cancel(); |
| return true; |
| } |
| return false; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(SERVICE_WORKER) |