| /* |
| * 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/dedicated_worker_global_scope.h" |
| |
| #include <memory> |
| #include "base/feature_list.h" |
| #include "third_party/blink/public/common/features.h" |
| #include "third_party/blink/public/mojom/appcache/appcache.mojom-blink.h" |
| #include "third_party/blink/renderer/bindings/core/v8/serialization/post_message_helper.h" |
| #include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h" |
| #include "third_party/blink/renderer/bindings/core/v8/worker_or_worklet_script_controller.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/core/frame/csp/content_security_policy.h" |
| #include "third_party/blink/renderer/core/inspector/worker_thread_debugger.h" |
| #include "third_party/blink/renderer/core/messaging/post_message_options.h" |
| #include "third_party/blink/renderer/core/origin_trials/origin_trial_context.h" |
| #include "third_party/blink/renderer/core/probe/core_probes.h" |
| #include "third_party/blink/renderer/core/script/modulator.h" |
| #include "third_party/blink/renderer/core/workers/dedicated_worker_object_proxy.h" |
| #include "third_party/blink/renderer/core/workers/dedicated_worker_thread.h" |
| #include "third_party/blink/renderer/core/workers/global_scope_creation_params.h" |
| #include "third_party/blink/renderer/core/workers/worker_classic_script_loader.h" |
| #include "third_party/blink/renderer/core/workers/worker_clients.h" |
| #include "third_party/blink/renderer/core/workers/worker_module_tree_client.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/bindings/script_state.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" |
| |
| namespace blink { |
| |
| // static |
| DedicatedWorkerGlobalScope* DedicatedWorkerGlobalScope::Create( |
| std::unique_ptr<GlobalScopeCreationParams> creation_params, |
| DedicatedWorkerThread* thread, |
| base::TimeTicks time_origin) { |
| std::unique_ptr<Vector<String>> outside_origin_trial_tokens = |
| std::move(creation_params->origin_trial_tokens); |
| |
| // Off-the-main-thread worker script fetch: |
| // Initialize() is called after script fetch. |
| if (creation_params->off_main_thread_fetch_option == |
| OffMainThreadWorkerScriptFetchOption::kEnabled) { |
| return MakeGarbageCollected<DedicatedWorkerGlobalScope>( |
| std::move(creation_params), thread, time_origin, |
| std::move(outside_origin_trial_tokens)); |
| } |
| |
| // Legacy on-the-main-thread worker script fetch (to be removed): |
| KURL response_script_url = creation_params->script_url; |
| network::mojom::ReferrerPolicy response_referrer_policy = |
| creation_params->referrer_policy; |
| network::mojom::IPAddressSpace response_address_space = |
| *creation_params->response_address_space; |
| auto* global_scope = MakeGarbageCollected<DedicatedWorkerGlobalScope>( |
| std::move(creation_params), thread, time_origin, |
| std::move(outside_origin_trial_tokens)); |
| // Pass dummy CSP headers here as it is superseded by outside's CSP headers in |
| // Initialize(). |
| // Pass dummy origin trial tokens here as it is already set to outside's |
| // origin trial tokens in DedicatedWorkerGlobalScope's constructor. |
| // Pass kAppCacheNoCacheId here as on-the-main-thread script fetch doesn't |
| // have its own appcache and instead depends on the parent frame's one. |
| global_scope->Initialize(response_script_url, response_referrer_policy, |
| response_address_space, Vector<CSPHeaderAndType>(), |
| nullptr /* response_origin_trial_tokens */, |
| mojom::blink::kAppCacheNoCacheId); |
| return global_scope; |
| } |
| |
| DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope( |
| std::unique_ptr<GlobalScopeCreationParams> creation_params, |
| DedicatedWorkerThread* thread, |
| base::TimeTicks time_origin, |
| std::unique_ptr<Vector<String>> outside_origin_trial_tokens) |
| : WorkerGlobalScope(std::move(creation_params), thread, time_origin) { |
| // Dedicated workers don't need to pause after script fetch. |
| ReadyToRunWorkerScript(); |
| // Inherit the outside's origin trial tokens. |
| OriginTrialContext::AddTokens(this, outside_origin_trial_tokens.get()); |
| } |
| |
| DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope() = default; |
| |
| const AtomicString& DedicatedWorkerGlobalScope::InterfaceName() const { |
| return event_target_names::kDedicatedWorkerGlobalScope; |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void DedicatedWorkerGlobalScope::Initialize( |
| const KURL& response_url, |
| network::mojom::ReferrerPolicy response_referrer_policy, |
| network::mojom::IPAddressSpace response_address_space, |
| const Vector<CSPHeaderAndType>& /* response_csp_headers */, |
| const Vector<String>* /* response_origin_trial_tokens */, |
| int64_t appcache_id) { |
| // Step 12.3. "Set worker global scope's url to response's url." |
| InitializeURL(response_url); |
| |
| // 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." |
| SetReferrerPolicy(response_referrer_policy); |
| |
| // https://wicg.github.io/cors-rfc1918/#integration-html |
| SetAddressSpace(response_address_space); |
| |
| // Step 12.6. "Execute the Initialize a global object's CSP list algorithm |
| // on worker global scope and response. [CSP]" |
| // DedicatedWorkerGlobalScope inherits the outside's CSP instead of the |
| // response CSP headers. These should be called after SetAddressSpace() to |
| // correctly override the address space by the "treat-as-public-address" CSP |
| // directive. |
| InitContentSecurityPolicyFromVector(OutsideContentSecurityPolicyHeaders()); |
| BindContentSecurityPolicyToExecutionContext(); |
| |
| // This should be called after OriginTrialContext::AddTokens() to install |
| // origin trial features in JavaScript's global object. |
| // DedicatedWorkerGlobalScope inherits the outside's OriginTrialTokens in the |
| // constructor instead of the response origin trial tokens. |
| ScriptController()->PrepareForEvaluation(); |
| |
| // TODO(https://crbug.com/945673): Notify an application cache host of |
| // |appcache_id| here to support AppCache with PlzDedicatedWorker. |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void DedicatedWorkerGlobalScope::FetchAndRunClassicScript( |
| const KURL& script_url, |
| const FetchClientSettingsObjectSnapshot& outside_settings_object, |
| WorkerResourceTimingNotifier& outside_resource_timing_notifier, |
| const v8_inspector::V8StackTraceId& stack_id) { |
| DCHECK(base::FeatureList::IsEnabled(features::kPlzDedicatedWorker)); |
| DCHECK(!IsContextPaused()); |
| |
| // Step 12. "Fetch a classic worker script given url, outside settings, |
| // destination, and inside settings." |
| auto destination = mojom::RequestContextType::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::RequestMode::kSameOrigin, |
| network::mojom::CredentialsMode::kSameOrigin, |
| WTF::Bind(&DedicatedWorkerGlobalScope::DidReceiveResponseForClassicScript, |
| WrapWeakPersistent(this), |
| WrapPersistent(classic_script_loader)), |
| WTF::Bind(&DedicatedWorkerGlobalScope::DidFetchClassicScript, |
| WrapWeakPersistent(this), WrapPersistent(classic_script_loader), |
| stack_id)); |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void DedicatedWorkerGlobalScope::FetchAndRunModuleScript( |
| const KURL& module_url_record, |
| const FetchClientSettingsObjectSnapshot& outside_settings_object, |
| WorkerResourceTimingNotifier& outside_resource_timing_notifier, |
| network::mojom::CredentialsMode credentials_mode) { |
| // Step 12: "Let destination be "sharedworker" if is shared is true, and |
| // "worker" otherwise." |
| mojom::RequestContextType destination = mojom::RequestContextType::WORKER; |
| |
| Modulator* modulator = Modulator::From(ScriptController()->GetScriptState()); |
| |
| // Step 13: "... Fetch a module worker script graph given url, outside |
| // settings, destination, the value of the credentials member of options, and |
| // inside settings." |
| FetchModuleScript(module_url_record, outside_settings_object, |
| outside_resource_timing_notifier, destination, |
| credentials_mode, |
| ModuleScriptCustomFetchType::kWorkerConstructor, |
| MakeGarbageCollected<WorkerModuleTreeClient>(modulator)); |
| } |
| |
| const String DedicatedWorkerGlobalScope::name() const { |
| return Name(); |
| } |
| |
| void DedicatedWorkerGlobalScope::postMessage(ScriptState* script_state, |
| const ScriptValue& message, |
| Vector<ScriptValue>& transfer, |
| ExceptionState& exception_state) { |
| PostMessageOptions* options = PostMessageOptions::Create(); |
| if (!transfer.IsEmpty()) |
| options->setTransfer(transfer); |
| postMessage(script_state, message, options, exception_state); |
| } |
| |
| void DedicatedWorkerGlobalScope::postMessage(ScriptState* script_state, |
| const ScriptValue& message, |
| const PostMessageOptions* options, |
| ExceptionState& exception_state) { |
| Transferables transferables; |
| scoped_refptr<SerializedScriptValue> serialized_message = |
| PostMessageHelper::SerializeMessageByMove(script_state->GetIsolate(), |
| message, options, transferables, |
| exception_state); |
| if (exception_state.HadException()) |
| return; |
| DCHECK(serialized_message); |
| BlinkTransferableMessage transferable_message; |
| transferable_message.message = serialized_message; |
| // Disentangle the port in preparation for sending it to the remote context. |
| transferable_message.ports = MessagePort::DisentanglePorts( |
| ExecutionContext::From(script_state), transferables.message_ports, |
| exception_state); |
| if (exception_state.HadException()) |
| return; |
| WorkerThreadDebugger* debugger = |
| WorkerThreadDebugger::From(script_state->GetIsolate()); |
| transferable_message.sender_stack_trace_id = |
| debugger->StoreCurrentStackTrace("postMessage"); |
| WorkerObjectProxy().PostMessageToWorkerObject( |
| std::move(transferable_message)); |
| } |
| |
| void DedicatedWorkerGlobalScope::DidReceiveResponseForClassicScript( |
| WorkerClassicScriptLoader* classic_script_loader) { |
| DCHECK(IsContextThread()); |
| DCHECK(base::FeatureList::IsEnabled(features::kPlzDedicatedWorker)); |
| probe::DidReceiveScriptResponse(this, classic_script_loader->Identifier()); |
| } |
| |
| // https://html.spec.whatwg.org/C/#worker-processing-model |
| void DedicatedWorkerGlobalScope::DidFetchClassicScript( |
| WorkerClassicScriptLoader* classic_script_loader, |
| const v8_inspector::V8StackTraceId& stack_id) { |
| DCHECK(IsContextThread()); |
| DCHECK(base::FeatureList::IsEnabled(features::kPlzDedicatedWorker)); |
| |
| // 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()); |
| |
| auto response_referrer_policy = network::mojom::ReferrerPolicy::kDefault; |
| if (!classic_script_loader->GetReferrerPolicy().IsNull()) { |
| SecurityPolicy::ReferrerPolicyFromHeaderValue( |
| classic_script_loader->GetReferrerPolicy(), |
| kDoNotSupportReferrerPolicyLegacyKeywords, &response_referrer_policy); |
| } |
| |
| // Step 12.3-12.6 are implemented in Initialize(). |
| // Pass dummy CSP headers here as it is superseded by outside's CSP headers in |
| // Initialize(). |
| // Pass dummy origin trial tokens here as it is already set to outside's |
| // origin trial tokens in DedicatedWorkerGlobalScope's constructor. |
| Initialize(classic_script_loader->ResponseURL(), response_referrer_policy, |
| classic_script_loader->ResponseAddressSpace(), |
| Vector<CSPHeaderAndType>(), |
| nullptr /* response_origin_trial_tokens */, |
| classic_script_loader->AppCacheID()); |
| |
| // 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); |
| } |
| |
| DedicatedWorkerObjectProxy& DedicatedWorkerGlobalScope::WorkerObjectProxy() |
| const { |
| return static_cast<DedicatedWorkerThread*>(GetThread())->WorkerObjectProxy(); |
| } |
| |
| void DedicatedWorkerGlobalScope::Trace(blink::Visitor* visitor) { |
| WorkerGlobalScope::Trace(visitor); |
| } |
| |
| } // namespace blink |