| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2009, 2011 Google 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 COMPUTER, INC. ``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 COMPUTER, INC. OR |
| * 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 "core/workers/WorkerGlobalScope.h" |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/core/v8/ScriptSourceCode.h" |
| #include "bindings/core/v8/SourceLocation.h" |
| #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
| #include "core/css/FontFaceSetWorker.h" |
| #include "core/css/OffscreenFontSelector.h" |
| #include "core/dom/ContextLifecycleNotifier.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/PausableObject.h" |
| #include "core/dom/events/Event.h" |
| #include "core/events/ErrorEvent.h" |
| #include "core/frame/DOMTimerCoordinator.h" |
| #include "core/inspector/ConsoleMessage.h" |
| #include "core/inspector/ConsoleMessageStorage.h" |
| #include "core/inspector/WorkerInspectorController.h" |
| #include "core/inspector/WorkerThreadDebugger.h" |
| #include "core/loader/WorkerThreadableLoader.h" |
| #include "core/origin_trials/OriginTrialContext.h" |
| #include "core/probe/CoreProbes.h" |
| #include "core/script/Modulator.h" |
| #include "core/workers/GlobalScopeCreationParams.h" |
| #include "core/workers/InstalledScriptsManager.h" |
| #include "core/workers/WorkerClassicScriptLoader.h" |
| #include "core/workers/WorkerLocation.h" |
| #include "core/workers/WorkerModuleTreeClient.h" |
| #include "core/workers/WorkerNavigator.h" |
| #include "core/workers/WorkerReportingProxy.h" |
| #include "core/workers/WorkerThread.h" |
| #include "platform/CrossThreadFunctional.h" |
| #include "platform/InstanceCounters.h" |
| #include "platform/loader/fetch/MemoryCache.h" |
| #include "platform/network/ContentSecurityPolicyParsers.h" |
| #include "platform/runtime_enabled_features.h" |
| #include "platform/scheduler/child/web_scheduler.h" |
| #include "platform/weborigin/KURL.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "platform/wtf/Assertions.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebURLRequest.h" |
| |
| namespace blink { |
| namespace { |
| |
| void RemoveURLFromMemoryCacheInternal(const KURL& url) { |
| GetMemoryCache()->RemoveURLFromCache(url); |
| } |
| |
| } // namespace |
| |
| FontFaceSet* WorkerGlobalScope::fonts() { |
| return FontFaceSetWorker::From(*this); |
| } |
| |
| WorkerGlobalScope::~WorkerGlobalScope() { |
| DCHECK(!ScriptController()); |
| InstanceCounters::DecrementCounter( |
| InstanceCounters::kWorkerGlobalScopeCounter); |
| } |
| |
| KURL WorkerGlobalScope::CompleteURL(const String& url) const { |
| // Always return a null URL when passed a null string. |
| // FIXME: Should we change the KURL constructor to have this behavior? |
| if (url.IsNull()) |
| return KURL(); |
| // Always use UTF-8 in Workers. |
| return KURL(BaseURL(), url); |
| } |
| |
| void WorkerGlobalScope::Dispose() { |
| DCHECK(IsContextThread()); |
| closing_ = true; |
| WorkerOrWorkletGlobalScope::Dispose(); |
| } |
| |
| void WorkerGlobalScope::ExceptionUnhandled(int exception_id) { |
| ErrorEvent* event = pending_error_events_.Take(exception_id); |
| DCHECK(event); |
| if (WorkerThreadDebugger* debugger = |
| WorkerThreadDebugger::From(GetThread()->GetIsolate())) |
| debugger->ExceptionThrown(thread_, event); |
| } |
| |
| WorkerLocation* WorkerGlobalScope::location() const { |
| if (!location_) |
| location_ = WorkerLocation::Create(url_); |
| return location_.Get(); |
| } |
| |
| WorkerNavigator* WorkerGlobalScope::navigator() const { |
| if (!navigator_) |
| navigator_ = WorkerNavigator::Create(user_agent_); |
| return navigator_.Get(); |
| } |
| |
| void WorkerGlobalScope::close() { |
| // Let current script run to completion, but tell the worker micro task |
| // runner to tear down the thread after this task. |
| closing_ = true; |
| } |
| |
| String WorkerGlobalScope::origin() const { |
| return GetSecurityOrigin()->ToString(); |
| } |
| |
| void WorkerGlobalScope::importScripts(const Vector<String>& urls, |
| ExceptionState& exception_state) { |
| DCHECK(GetContentSecurityPolicy()); |
| DCHECK(GetExecutionContext()); |
| |
| ExecutionContext& execution_context = *this->GetExecutionContext(); |
| Vector<KURL> completed_urls; |
| for (const String& url_string : urls) { |
| const KURL& url = execution_context.CompleteURL(url_string); |
| if (!url.IsValid()) { |
| exception_state.ThrowDOMException( |
| kSyntaxError, "The URL '" + url_string + "' is invalid."); |
| return; |
| } |
| if (!GetContentSecurityPolicy()->AllowScriptFromSource( |
| url, AtomicString(), IntegrityMetadataSet(), kNotParserInserted)) { |
| exception_state.ThrowDOMException( |
| kNetworkError, |
| "The script at '" + url.ElidedString() + "' failed to load."); |
| return; |
| } |
| completed_urls.push_back(url); |
| } |
| |
| for (const KURL& complete_url : completed_urls) { |
| KURL response_url; |
| String source_code; |
| std::unique_ptr<Vector<char>> cached_meta_data; |
| LoadResult result = LoadResult::kNotHandled; |
| result = LoadingScriptFromInstalledScriptsManager( |
| complete_url, &response_url, &source_code, &cached_meta_data); |
| |
| // If the script wasn't provided by the InstalledScriptsManager, load from |
| // ResourceLoader. |
| if (result == LoadResult::kNotHandled) { |
| result = LoadingScriptFromClassicScriptLoader( |
| complete_url, &response_url, &source_code, &cached_meta_data); |
| } |
| |
| if (result != LoadResult::kSuccess) { |
| exception_state.ThrowDOMException( |
| kNetworkError, "The script at '" + complete_url.ElidedString() + |
| "' failed to load."); |
| return; |
| } |
| |
| ErrorEvent* error_event = nullptr; |
| SingleCachedMetadataHandler* handler( |
| CreateWorkerScriptCachedMetadataHandler(complete_url, |
| cached_meta_data.get())); |
| ReportingProxy().WillEvaluateImportedScript( |
| source_code.length(), cached_meta_data ? cached_meta_data->size() : 0); |
| ScriptController()->Evaluate( |
| ScriptSourceCode(source_code, ScriptSourceLocationType::kUnknown, |
| handler, response_url), |
| &error_event, v8_cache_options_); |
| if (error_event) { |
| ScriptController()->RethrowExceptionFromImportedScript(error_event, |
| exception_state); |
| return; |
| } |
| } |
| } |
| |
| WorkerGlobalScope::LoadResult |
| WorkerGlobalScope::LoadingScriptFromInstalledScriptsManager( |
| const KURL& script_url, |
| KURL* out_response_url, |
| String* out_source_code, |
| std::unique_ptr<Vector<char>>* out_cached_meta_data) { |
| if (!GetThread()->GetInstalledScriptsManager() || |
| !GetThread()->GetInstalledScriptsManager()->IsScriptInstalled( |
| script_url)) { |
| return LoadResult::kNotHandled; |
| } |
| InstalledScriptsManager::ScriptData script_data; |
| InstalledScriptsManager::ScriptStatus status = |
| GetThread()->GetInstalledScriptsManager()->GetScriptData(script_url, |
| &script_data); |
| switch (status) { |
| case InstalledScriptsManager::ScriptStatus::kFailed: |
| return LoadResult::kFailed; |
| case InstalledScriptsManager::ScriptStatus::kSuccess: |
| *out_response_url = script_url; |
| *out_source_code = script_data.TakeSourceText(); |
| *out_cached_meta_data = script_data.TakeMetaData(); |
| // TODO(shimazu): Add appropriate probes for inspector. |
| return LoadResult::kSuccess; |
| } |
| |
| NOTREACHED(); |
| return LoadResult::kFailed; |
| } |
| |
| WorkerGlobalScope::LoadResult |
| WorkerGlobalScope::LoadingScriptFromClassicScriptLoader( |
| const KURL& script_url, |
| KURL* out_response_url, |
| String* out_source_code, |
| std::unique_ptr<Vector<char>>* out_cached_meta_data) { |
| ExecutionContext* execution_context = GetExecutionContext(); |
| scoped_refptr<WorkerClassicScriptLoader> classic_script_loader( |
| WorkerClassicScriptLoader::Create()); |
| classic_script_loader->LoadSynchronously( |
| *execution_context, script_url, WebURLRequest::kRequestContextScript, |
| execution_context->GetSecurityContext().AddressSpace()); |
| |
| // If the fetching attempt failed, throw a NetworkError exception and |
| // abort all these steps. |
| if (classic_script_loader->Failed()) |
| return LoadResult::kFailed; |
| |
| *out_response_url = classic_script_loader->ResponseURL(); |
| *out_source_code = classic_script_loader->SourceText(); |
| *out_cached_meta_data = classic_script_loader->ReleaseCachedMetadata(); |
| probe::scriptImported(execution_context, classic_script_loader->Identifier(), |
| classic_script_loader->SourceText()); |
| return LoadResult::kSuccess; |
| } |
| |
| bool WorkerGlobalScope::IsContextThread() const { |
| return GetThread()->IsCurrentThread(); |
| } |
| |
| void WorkerGlobalScope::AddConsoleMessage(ConsoleMessage* console_message) { |
| DCHECK(IsContextThread()); |
| ReportingProxy().ReportConsoleMessage( |
| console_message->Source(), console_message->Level(), |
| console_message->Message(), console_message->Location()); |
| GetThread()->GetConsoleMessageStorage()->AddConsoleMessage(this, |
| console_message); |
| } |
| |
| CoreProbeSink* WorkerGlobalScope::GetProbeSink() { |
| if (IsClosing()) |
| return nullptr; |
| if (WorkerInspectorController* controller = |
| GetThread()->GetWorkerInspectorController()) |
| return controller->GetProbeSink(); |
| return nullptr; |
| } |
| |
| bool WorkerGlobalScope::IsSecureContext(String& error_message) const { |
| // Until there are APIs that are available in workers and that |
| // require a privileged context test that checks ancestors, just do |
| // a simple check here. Once we have a need for a real |
| // |isSecureContext| check here, we can check the responsible |
| // document for a privileged context at worker creation time, pass |
| // it in via WorkerThreadStartupData, and check it here. |
| if (GetSecurityOrigin()->IsPotentiallyTrustworthy()) |
| return true; |
| error_message = GetSecurityOrigin()->IsPotentiallyTrustworthyErrorMessage(); |
| return false; |
| } |
| |
| service_manager::InterfaceProvider* WorkerGlobalScope::GetInterfaceProvider() { |
| return &interface_provider_; |
| } |
| |
| ExecutionContext* WorkerGlobalScope::GetExecutionContext() const { |
| return const_cast<WorkerGlobalScope*>(this); |
| } |
| |
| void WorkerGlobalScope::EvaluateClassicScript( |
| const KURL& script_url, |
| String source_code, |
| std::unique_ptr<Vector<char>> cached_meta_data) { |
| DCHECK(IsContextThread()); |
| SingleCachedMetadataHandler* handler = |
| CreateWorkerScriptCachedMetadataHandler(script_url, |
| cached_meta_data.get()); |
| DCHECK(!source_code.IsNull()); |
| ReportingProxy().WillEvaluateWorkerScript( |
| source_code.length(), |
| cached_meta_data.get() ? cached_meta_data->size() : 0); |
| bool success = ScriptController()->Evaluate( |
| ScriptSourceCode(source_code, ScriptSourceLocationType::kUnknown, handler, |
| script_url), |
| nullptr /* error_event */, v8_cache_options_); |
| ReportingProxy().DidEvaluateWorkerScript(success); |
| } |
| |
| void WorkerGlobalScope::ImportModuleScript( |
| const KURL& module_url_record, |
| network::mojom::FetchCredentialsMode credentials_mode) { |
| Modulator* modulator = Modulator::From(ScriptController()->GetScriptState()); |
| FetchModuleScript(module_url_record, credentials_mode, |
| new WorkerModuleTreeClient(modulator)); |
| } |
| |
| WorkerGlobalScope::WorkerGlobalScope( |
| std::unique_ptr<GlobalScopeCreationParams> creation_params, |
| WorkerThread* thread, |
| double time_origin) |
| : WorkerOrWorkletGlobalScope(thread->GetIsolate(), |
| creation_params->worker_clients, |
| thread->GetWorkerReportingProxy()), |
| url_(creation_params->script_url), |
| user_agent_(creation_params->user_agent), |
| parent_devtools_token_(creation_params->parent_devtools_token), |
| v8_cache_options_(creation_params->v8_cache_options), |
| thread_(thread), |
| timers_(GetTaskRunner(TaskType::kJavascriptTimer)), |
| time_origin_(time_origin), |
| font_selector_(OffscreenFontSelector::Create(this)) { |
| InstanceCounters::IncrementCounter( |
| InstanceCounters::kWorkerGlobalScopeCounter); |
| scoped_refptr<SecurityOrigin> security_origin = SecurityOrigin::Create(url_); |
| if (creation_params->starter_origin) { |
| security_origin->TransferPrivilegesFrom( |
| creation_params->starter_origin->CreatePrivilegeData()); |
| } |
| SetSecurityOrigin(std::move(security_origin)); |
| ApplyContentSecurityPolicyFromVector( |
| *creation_params->content_security_policy_parsed_headers); |
| SetWorkerSettings(std::move(creation_params->worker_settings)); |
| SetReferrerPolicy(creation_params->referrer_policy); |
| SetAddressSpace(creation_params->address_space); |
| OriginTrialContext::AddTokens(this, |
| creation_params->origin_trial_tokens.get()); |
| // TODO(sammc): Require a valid |creation_params->interface_provider| once all |
| // worker types provide a valid |creation_params->interface_provider|. |
| if (creation_params->interface_provider.is_valid()) { |
| interface_provider_.Bind( |
| mojo::MakeProxy(service_manager::mojom::InterfaceProviderPtrInfo( |
| creation_params->interface_provider.PassHandle(), |
| service_manager::mojom::InterfaceProvider::Version_))); |
| } |
| } |
| |
| void WorkerGlobalScope::ApplyContentSecurityPolicyFromHeaders( |
| const ContentSecurityPolicyResponseHeaders& headers) { |
| if (!GetContentSecurityPolicy()) { |
| ContentSecurityPolicy* csp = ContentSecurityPolicy::Create(); |
| SetContentSecurityPolicy(csp); |
| } |
| GetContentSecurityPolicy()->DidReceiveHeaders(headers); |
| GetContentSecurityPolicy()->BindToExecutionContext(GetExecutionContext()); |
| } |
| |
| void WorkerGlobalScope::ExceptionThrown(ErrorEvent* event) { |
| int next_id = ++last_pending_error_event_id_; |
| pending_error_events_.Set(next_id, event); |
| ReportingProxy().ReportException(event->MessageForConsole(), |
| event->Location()->Clone(), next_id); |
| } |
| |
| void WorkerGlobalScope::RemoveURLFromMemoryCache(const KURL& url) { |
| PostCrossThreadTask( |
| *thread_->GetParentFrameTaskRunners()->Get(TaskType::kNetworking), |
| FROM_HERE, CrossThreadBind(&RemoveURLFromMemoryCacheInternal, url)); |
| } |
| |
| void WorkerGlobalScope::SetWorkerSettings( |
| std::unique_ptr<WorkerSettings> worker_settings) { |
| worker_settings_ = std::move(worker_settings); |
| worker_settings_->MakeGenericFontFamilySettingsAtomic(); |
| font_selector_->UpdateGenericFontFamilySettings( |
| worker_settings_->GetGenericFontFamilySettings()); |
| } |
| |
| void WorkerGlobalScope::Trace(blink::Visitor* visitor) { |
| visitor->Trace(location_); |
| visitor->Trace(navigator_); |
| visitor->Trace(timers_); |
| visitor->Trace(pending_error_events_); |
| visitor->Trace(font_selector_); |
| WorkerOrWorkletGlobalScope::Trace(visitor); |
| Supplementable<WorkerGlobalScope>::Trace(visitor); |
| } |
| |
| void WorkerGlobalScope::TraceWrappers( |
| const ScriptWrappableVisitor* visitor) const { |
| Supplementable<WorkerGlobalScope>::TraceWrappers(visitor); |
| WorkerOrWorkletGlobalScope::TraceWrappers(visitor); |
| visitor->TraceWrappers(navigator_); |
| } |
| |
| } // namespace blink |