WorkerShadowFetchContext

third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp

 /*
  * 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
@@ skipping 22 matching lines @@
 #include <memory>
 #include "core/dom/Document.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/events/MessageEvent.h"
 #include "core/exported/WebDataSourceImpl.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/ThreadableLoadingContext.h"
 #include "core/loader/WorkerFetchContext.h"
+#include "core/loader/appcache/ApplicationCacheHost.h"
 #include "core/probe/CoreProbes.h"
 #include "core/workers/ParentFrameTaskRunners.h"
 #include "core/workers/SharedWorkerGlobalScope.h"
 #include "core/workers/SharedWorkerThread.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerContentSettingsClient.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerInspectorProxy.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerScriptLoader.h"
+#include "core/workers/WorkerShadowFetchContext.h"
 #include "core/workers/WorkerThreadStartupData.h"
 #include "platform/CrossThreadFunctional.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/Persistent.h"
 #include "platform/loader/fetch/ResourceResponse.h"
 #include "platform/network/ContentSecurityPolicyParsers.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/wtf/Functional.h"
@@ skipping 26 matching lines @@
       worker_inspector_proxy_(WorkerInspectorProxy::Create()),
       client_(client),
       pause_worker_context_on_start_(false),
       is_paused_on_start_(false),
       creation_address_space_(kWebAddressSpacePublic) {
   DCHECK(IsMainThread());
 }
 
 WebSharedWorkerImpl::~WebSharedWorkerImpl() {
   DCHECK(IsMainThread());
-  DCHECK(web_view_);
-  // Detach the client before closing the view to avoid getting called back.
-  main_frame_->SetClient(0);
+  // DCHECK(web_view_);
 
-  web_view_->Close();
-  main_frame_->Close();
+  if (shadow_fetch_context_) {
+    shadow_fetch_context_->Detach();
+  } else {
+    // Detach the client before closing the view to avoid getting called back.
+    main_frame_->SetClient(0);
+
+    web_view_->Close();
+    main_frame_->Close();
+  }
+
   if (loader_proxy_)
     loader_proxy_->DetachProvider(this);
 }
 
 void WebSharedWorkerImpl::TerminateWorkerThread() {
   DCHECK(IsMainThread());
   if (asked_to_terminate_)
     return;
   asked_to_terminate_ = true;
   if (main_script_loader_) {
     main_script_loader_->Cancel();
     main_script_loader_.Clear();
     client_->WorkerScriptLoadFailed();
     delete this;
     return;
   }
   if (worker_thread_)
     worker_thread_->Terminate();
-  worker_inspector_proxy_->WorkerThreadTerminated();
+  // worker_inspector_proxy_->WorkerThreadTerminated();
 }
 
 void WebSharedWorkerImpl::InitializeLoader() {
   DCHECK(IsMainThread());
 
   // Create 'shadow page'. This page is never displayed, it is used to proxy the
   // loading requests from the worker context to the rest of WebKit and Chromium
   // infrastructure.
   DCHECK(!web_view_);
   web_view_ = WebView::Create(nullptr, kWebPageVisibilityStateVisible);
@@ skipping 87 matching lines @@
   return client_->CreateDevToolsMessageLoop();
 }
 
 void WebSharedWorkerImpl::CountFeature(UseCounter::Feature feature) {
   DCHECK(IsMainThread());
   client_->CountFeature(feature);
 }
 
 void WebSharedWorkerImpl::PostMessageToPageInspector(const String& message) {
   DCHECK(IsMainThread());
-  worker_inspector_proxy_->DispatchMessageFromWorker(message);
+  // worker_inspector_proxy_->DispatchMessageFromWorker(message);
 }
 
 void WebSharedWorkerImpl::DidCloseWorkerGlobalScope() {
   DCHECK(IsMainThread());
   client_->WorkerContextClosed();
   TerminateWorkerThread();
 }
 
 void WebSharedWorkerImpl::DidTerminateWorkerThread() {
   DCHECK(IsMainThread());
@@ skipping 40 matching lines @@
 void WebSharedWorkerImpl::StartWorkerContext(
     const WebURL& url,
     const WebString& name,
     const WebString& content_security_policy,
     WebContentSecurityPolicyType policy_type,
     WebAddressSpace creation_address_space) {
   DCHECK(IsMainThread());
   url_ = url;
   name_ = name;
   creation_address_space_ = creation_address_space;
-  InitializeLoader();
+
+  InitializeShadowFetchContext();
+
+  //  InitializeLoader();
+}
+
+void WebSharedWorkerImpl::InitializeShadowFetchContext() {
+  DCHECK(IsMainThread());
+  /*
+  SetDevToolsAgentClient(this);
+  client_->WorkerReadyForInspection();
+  if (pause_worker_context_on_start_) {
+    is_paused_on_start_ = true;
+    return;
+  }
+  */
+  ApplicationCacheHost* app_cache_host = ApplicationCacheHost::Create(nullptr);
+  app_cache_host->SetWebApplicationCacheHost(
+      client_->CreateApplicationCacheHost(app_cache_host));
+  shadow_fetch_context_ = WorkerShadowFetchContext::Create(
+      url_, Platform::Current()->UserAgent(), creation_address_space_,
+      app_cache_host, client_->CreateServiceWorkerNetworkProvider(),
+      Settings::Create(), ParentFrameTaskRunners::Create(nullptr));
+
+  loading_document_ = &shadow_fetch_context_->GetExecutionContext();
+
+  main_script_loader_ = WorkerScriptLoader::Create();
+  main_script_loader_->SetRequestContext(
+      WebURLRequest::kRequestContextSharedWorker);
+  CrossOriginRequestPolicy cross_origin_request_policy =
+      (static_cast<KURL>(url_)).ProtocolIsData() ? kAllowCrossOriginRequests
+                                                 : kDenyCrossOriginRequests;
+  main_script_loader_->LoadAsynchronously(
+      *loading_document_, url_, cross_origin_request_policy,
+      creation_address_space_,
+      Bind(&WebSharedWorkerImpl::DidReceiveScriptLoaderResponse,
+           WTF::Unretained(this)),
+      Bind(&WebSharedWorkerImpl::OnScriptLoaderFinished,
+           WTF::Unretained(this)));
 }
 
 void WebSharedWorkerImpl::DidReceiveScriptLoaderResponse() {
   DCHECK(IsMainThread());
   probe::didReceiveScriptResponse(loading_document_,
                                   main_script_loader_->Identifier());
   client_->SelectAppCacheID(main_script_loader_->AppCacheID());
 }
 
 void WebSharedWorkerImpl::OnScriptLoaderFinished() {
   DCHECK(IsMainThread());
   DCHECK(loading_document_);
   DCHECK(main_script_loader_);
   if (asked_to_terminate_)
     return;
   if (main_script_loader_->Failed()) {
     main_script_loader_->Cancel();
     client_->WorkerScriptLoadFailed();
 
     // The SharedWorker was unable to load the initial script, so
     // shut it down right here.
     delete this;
     return;
   }
 
+  /*
   Document* document = main_frame_->GetFrame()->GetDocument();
   // FIXME: this document's origin is pristine and without any extra privileges.
   // (crbug.com/254993)
   SecurityOrigin* starter_origin = document->GetSecurityOrigin();
+  */
+  SecurityOrigin* starter_origin =
+      shadow_fetch_context_->GetSecurityContext().GetSecurityOrigin();
 
   WorkerClients* worker_clients = WorkerClients::Create();
   ProvideLocalFileSystemToWorker(worker_clients,
                                  LocalFileSystemClient::Create());
-  WebSecurityOrigin web_security_origin(loading_document_->GetSecurityOrigin());
+  WebSecurityOrigin web_security_origin(starter_origin);
   ProvideContentSettingsClientToWorker(
       worker_clients,
       WTF::WrapUnique(client_->CreateWorkerContentSettingsClientProxy(
           web_security_origin)));
   ProvideIndexedDBClientToWorker(worker_clients,
                                  IndexedDBClientImpl::Create(*worker_clients));
 
   if (RuntimeEnabledFeatures::offMainThreadFetchEnabled()) {
     std::unique_ptr<WebWorkerFetchContext> web_worker_fetch_context =
         client_->CreateWorkerFetchContext(
             WebLocalFrameImpl::FromFrame(main_frame_->GetFrame())
                 ->DataSource()
                 ->GetServiceWorkerNetworkProvider());
     DCHECK(web_worker_fetch_context);
     // TODO(horo): Set more information about the context (ex: DataSaverEnabled)
     // to |web_worker_fetch_context|.
     ProvideWorkerFetchContextToWorker(worker_clients,
                                       std::move(web_worker_fetch_context));
   }
 
   ContentSecurityPolicy* content_security_policy =
       main_script_loader_->ReleaseContentSecurityPolicy();
+  /*
   WorkerThreadStartMode start_mode =
-      worker_inspector_proxy_->WorkerStartMode(document);
+      worker_inspector_proxy_->WorkerStartMode(loading_document_);
+      */
+  WorkerThreadStartMode start_mode = kDontPauseWorkerGlobalScopeOnStart;
   std::unique_ptr<WorkerSettings> worker_settings =
-      WTF::WrapUnique(new WorkerSettings(document->GetSettings()));
+      WTF::WrapUnique(new WorkerSettings(shadow_fetch_context_->GetSettings()));
   WorkerV8Settings worker_v8_settings = WorkerV8Settings::Default();
   worker_v8_settings.atomics_wait_mode_ =
       WorkerV8Settings::AtomicsWaitMode::kAllow;
   std::unique_ptr<WorkerThreadStartupData> startup_data =
       WorkerThreadStartupData::Create(
           url_, loading_document_->UserAgent(),
           main_script_loader_->SourceText(), nullptr, start_mode,
           content_security_policy ? content_security_policy->Headers().get()
                                   : nullptr,
           main_script_loader_->GetReferrerPolicy(), starter_origin,
@@ skipping 12 matching lines @@
 
   loader_proxy_ = WorkerLoaderProxy::Create(this);
   reporting_proxy_ = new WebSharedWorkerReportingProxyImpl(this, task_runners);
   worker_thread_ =
       SharedWorkerThread::Create(name_, loader_proxy_, *reporting_proxy_);
   probe::scriptImported(loading_document_, main_script_loader_->Identifier(),
                         main_script_loader_->SourceText());
   main_script_loader_.Clear();
 
   GetWorkerThread()->Start(std::move(startup_data), task_runners);
-  worker_inspector_proxy_->WorkerThreadCreated(ToDocument(loading_document_),
+  /*
+  worker_inspector_proxy_->WorkerThreadCreated(loading_document_,
                                                GetWorkerThread(), url_);
+                                               */
   client_->WorkerScriptLoaded();
 }
 
 void WebSharedWorkerImpl::TerminateWorkerContext() {
   DCHECK(IsMainThread());
   TerminateWorkerThread();
 }
 
 void WebSharedWorkerImpl::PauseWorkerContextOnStart() {
   pause_worker_context_on_start_ = true;
@@ skipping 31 matching lines @@
   if (devtools_agent)
     devtools_agent->DispatchOnInspectorBackend(session_id, call_id, method,
                                                message);
 }
 
 WebSharedWorker* WebSharedWorker::Create(WebSharedWorkerClient* client) {
   return new WebSharedWorkerImpl(client);
 }
 
 }  // namespace blink