| /* |
| * Copyright (C) 2009 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER 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 "third_party/blink/renderer/core/workers/shared_worker_global_scope.h" |
| |
| #include <memory> |
| #include "base/feature_list.h" |
| #include "third_party/blink/public/common/features.h" |
| #include "third_party/blink/renderer/bindings/core/v8/source_location.h" |
| #include "third_party/blink/renderer/core/events/message_event.h" |
| #include "third_party/blink/renderer/core/frame/local_dom_window.h" |
| #include "third_party/blink/renderer/core/inspector/console_message.h" |
| #include "third_party/blink/renderer/core/inspector/worker_thread_debugger.h" |
| #include "third_party/blink/renderer/core/probe/core_probes.h" |
| #include "third_party/blink/renderer/core/workers/shared_worker_thread.h" |
| #include "third_party/blink/renderer/core/workers/worker_classic_script_loader.h" |
| #include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/fetch_client_settings_object_snapshot.h" |
| #include "third_party/blink/renderer/platform/weborigin/security_policy.h" |
| #include "third_party/blink/renderer/platform/wtf/time.h" |
| |
| namespace blink { |
| |
| SharedWorkerGlobalScope::SharedWorkerGlobalScope( |
| std::unique_ptr<GlobalScopeCreationParams> creation_params, |
| SharedWorkerThread* thread, |
| base::TimeTicks time_origin) |
| : WorkerGlobalScope(std::move(creation_params), thread, time_origin) {} |
| |
| SharedWorkerGlobalScope::~SharedWorkerGlobalScope() = default; |
| |
| const AtomicString& SharedWorkerGlobalScope::InterfaceName() const { |
| return event_target_names::kSharedWorkerGlobalScope; |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void SharedWorkerGlobalScope::FetchAndRunClassicScript( |
| const KURL& script_url, |
| const FetchClientSettingsObjectSnapshot& outside_settings_object, |
| WorkerResourceTimingNotifier* outside_resource_timing_notifier, |
| const v8_inspector::V8StackTraceId& stack_id) { |
| DCHECK(features::IsOffMainThreadSharedWorkerScriptFetchEnabled()); |
| DCHECK(!IsContextPaused()); |
| |
| // Step 12. "Fetch a classic worker script given url, outside settings, |
| // destination, and inside settings." |
| auto destination = mojom::RequestContextType::SHARED_WORKER; |
| |
| // Step 12.1. "Set request's reserved client to inside settings." |
| // The browesr process takes care of this. |
| |
| // Step 12.2. "Fetch request, and asynchronously wait to run the remaining |
| // steps as part of fetch's process response for the response response." |
| WorkerClassicScriptLoader* classic_script_loader = |
| MakeGarbageCollected<WorkerClassicScriptLoader>(); |
| classic_script_loader->LoadTopLevelScriptAsynchronously( |
| *this, |
| CreateOutsideSettingsFetcher(outside_settings_object, |
| outside_resource_timing_notifier), |
| script_url, destination, network::mojom::FetchRequestMode::kSameOrigin, |
| network::mojom::FetchCredentialsMode::kSameOrigin, |
| WTF::Bind(&SharedWorkerGlobalScope::DidReceiveResponseForClassicScript, |
| WrapWeakPersistent(this), |
| WrapPersistent(classic_script_loader)), |
| WTF::Bind(&SharedWorkerGlobalScope::DidFetchClassicScript, |
| WrapWeakPersistent(this), WrapPersistent(classic_script_loader), |
| stack_id)); |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void SharedWorkerGlobalScope::FetchAndRunModuleScript( |
| const KURL& module_url_record, |
| const FetchClientSettingsObjectSnapshot& outside_settings_object, |
| network::mojom::FetchCredentialsMode credentials_mode) { |
| // Step 12: "Let destination be "sharedworker" if is shared is true, and |
| // "worker" otherwise." |
| |
| // Step 13: "... Fetch a module worker script graph given url, outside |
| // settings, destination, the value of the credentials member of options, and |
| // inside settings." |
| |
| // TODO(nhiroki): Implement module loading for shared workers. |
| // (https://crbug.com/824646) |
| NOTREACHED(); |
| } |
| |
| const String SharedWorkerGlobalScope::name() const { |
| return Name(); |
| } |
| |
| void SharedWorkerGlobalScope::Connect(MessagePortChannel channel) { |
| DCHECK(!IsContextPaused()); |
| auto* port = MakeGarbageCollected<MessagePort>(*this); |
| port->Entangle(std::move(channel)); |
| MessageEvent* event = |
| MessageEvent::Create(MakeGarbageCollected<MessagePortArray>(1, port), |
| String(), String(), port); |
| event->initEvent(event_type_names::kConnect, false, false); |
| DispatchEvent(*event); |
| } |
| |
| void SharedWorkerGlobalScope::DidReceiveResponseForClassicScript( |
| WorkerClassicScriptLoader* classic_script_loader) { |
| DCHECK(IsContextThread()); |
| DCHECK(features::IsOffMainThreadSharedWorkerScriptFetchEnabled()); |
| probe::DidReceiveScriptResponse(this, classic_script_loader->Identifier()); |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void SharedWorkerGlobalScope::DidFetchClassicScript( |
| WorkerClassicScriptLoader* classic_script_loader, |
| const v8_inspector::V8StackTraceId& stack_id) { |
| DCHECK(IsContextThread()); |
| DCHECK(features::IsOffMainThreadSharedWorkerScriptFetchEnabled()); |
| |
| // Step 12. "If the algorithm asynchronously completes with null, then:" |
| if (classic_script_loader->Failed()) { |
| // Step 12.1. "Queue a task to fire an event named error at worker." |
| // Step 12.2. "Run the environment discarding steps for inside settings." |
| // Step 12.3. "Return." |
| ReportingProxy().DidFailToFetchClassicScript(); |
| return; |
| } |
| ReportingProxy().DidFetchScript(); |
| probe::ScriptImported(this, classic_script_loader->Identifier(), |
| classic_script_loader->SourceText()); |
| |
| // Step 12.3. "Set worker global scope's url to response's url." |
| InitializeURL(classic_script_loader->ResponseURL()); |
| |
| // Step 12.4. "Set worker global scope's HTTPS state to response's HTTPS |
| // state." |
| // This is done in the constructor of WorkerGlobalScope. |
| |
| // Step 12.5. "Set worker global scope's referrer policy to the result of |
| // parsing the `Referrer-Policy` header of response." |
| auto referrer_policy = network::mojom::ReferrerPolicy::kDefault; |
| if (!classic_script_loader->GetReferrerPolicy().IsNull()) { |
| SecurityPolicy::ReferrerPolicyFromHeaderValue( |
| classic_script_loader->GetReferrerPolicy(), |
| kDoNotSupportReferrerPolicyLegacyKeywords, &referrer_policy); |
| SetReferrerPolicy(referrer_policy); |
| } |
| |
| // Step 12.6. "Execute the Initialize a global object's CSP list algorithm |
| // on worker global scope and response. [CSP]" |
| DCHECK_EQ(GlobalScopeCSPApplyMode::kUseResponseCSP, GetCSPApplyMode()); |
| if (classic_script_loader->GetContentSecurityPolicy()) { |
| InitContentSecurityPolicyFromVector( |
| classic_script_loader->GetContentSecurityPolicy()->Headers()); |
| } else { |
| // Initialize CSP with an empty list. |
| InitContentSecurityPolicyFromVector(Vector<CSPHeaderAndType>()); |
| } |
| BindContentSecurityPolicyToExecutionContext(); |
| |
| // Step 12.7. "Asynchronously complete the perform the fetch steps with |
| // response." |
| EvaluateClassicScript( |
| classic_script_loader->ResponseURL(), classic_script_loader->SourceText(), |
| classic_script_loader->ReleaseCachedMetadata(), stack_id); |
| } |
| |
| void SharedWorkerGlobalScope::ExceptionThrown(ErrorEvent* event) { |
| WorkerGlobalScope::ExceptionThrown(event); |
| if (WorkerThreadDebugger* debugger = |
| WorkerThreadDebugger::From(GetThread()->GetIsolate())) |
| debugger->ExceptionThrown(GetThread(), event); |
| } |
| |
| void SharedWorkerGlobalScope::Trace(blink::Visitor* visitor) { |
| WorkerGlobalScope::Trace(visitor); |
| } |
| |
| } // namespace blink |