PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/browser/service_worker/service_worker_request_handler.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_request_handler.h"
 
 #include <string>
 
+#include "base/command_line.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_url_request_job.h"
 #include "content/common/resource_request_body.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/service_worker/service_worker_utils.h"
 #include "content/public/browser/resource_context.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/common/origin_util.h"
+#include "ipc/ipc_message.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "storage/browser/blob/blob_storage_context.h"
 
 namespace content {
 
 namespace {
 
 int kUserDataKey;  // Key value is not important.
@@ skipping 13 matching lines @@
       return NULL;
     return handler->MaybeCreateJob(
         request, network_delegate, resource_context_);
   }
 
  private:
   ResourceContext* resource_context_;
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestInterceptor);
 };
 
+void FinalizeHandlerInitialization(
+    net::URLRequest* request,
+    ServiceWorkerProviderHost* provider_host,
+    storage::BlobStorageContext* blob_storage_context,
+    bool skip_service_worker,
+    FetchRequestMode request_mode,
+    FetchCredentialsMode credentials_mode,
+    FetchRedirectMode redirect_mode,
+    ResourceType resource_type,
+    RequestContextType request_context_type,
+    RequestContextFrameType frame_type,
+    scoped_refptr<ResourceRequestBody> body) {
+  if (skip_service_worker) {
+    // TODO(horo): Does this work properly for PlzNavigate?
+    if (ServiceWorkerUtils::IsMainResourceType(resource_type)) {
+      provider_host->SetDocumentUrl(net::SimplifyUrlForRequest(request->url()));
+      provider_host->SetTopmostFrameUrl(request->first_party_for_cookies());
+      // A page load with skip_service_worker should be triggered by
+      // shift-reload, so retain all live matching registrations.
+      provider_host->AddAllMatchingRegistrations();
+    }
+    return;
+  }
+
+  scoped_ptr<ServiceWorkerRequestHandler> handler(
+      provider_host->CreateRequestHandler(
+          request_mode, credentials_mode, redirect_mode, resource_type,
+          request_context_type, frame_type, blob_storage_context->AsWeakPtr(),
+          body));
+  if (!handler)
+    return;
+
+  request->SetUserData(&kUserDataKey, handler.release());
+}
+
 }  // namespace
 
+// PlzNavigate
+void ServiceWorkerRequestHandler::InitializeForNavigation(
+    net::URLRequest* request,
+    ServiceWorkerContextWrapper* context_wrapper,
+    storage::BlobStorageContext* blob_storage_context,
+    int provider_id,
+    bool skip_service_worker,
+    ResourceType resource_type,
+    RequestContextType request_context_type,
+    RequestContextFrameType frame_type,
+    scoped_refptr<ResourceRequestBody> body) {
+  CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(

[michaeln, 2015/10/07 01:16:44]

Is this to defend against a bad ipc?

[Fabrice (no longer in Chrome), 2015/10/07 12:59:43]

No, this is another sanity check. The caller already has a similar check.
This also prevents people from getting the idea to use this method for current
navigation.

+      switches::kEnableBrowserSideNavigation));
+
+  // Create the handler even for insecure HTTP since it's used in the
+  // case of redirect to HTTPS.
+  if (!request->url().SchemeIsHTTPOrHTTPS() &&
+      !OriginCanAccessServiceWorkers(request->url())) {
+    return;
+  }
+
+  if (!context_wrapper || !context_wrapper->context()) {
+    return;
+  }
+
+  // The navigation request comes from a sandboxed frame. Do not create a
+  // SWProviderHost for sandboxed frames.
+  if (provider_id == kInvalidServiceWorkerProviderId)
+    return;
+
+  // Initialize the SWProviderHost.
+  scoped_ptr<ServiceWorkerProviderHost> provider_host(
+      new ServiceWorkerProviderHost(
+          kVirtualProcessIDForBrowserRequest, MSG_ROUTING_NONE, provider_id,
+          SERVICE_WORKER_PROVIDER_FOR_WINDOW,
+          context_wrapper->context()->AsWeakPtr(), nullptr));
+
+  FinalizeHandlerInitialization(
+      request, provider_host.get(), blob_storage_context, skip_service_worker,
+      FETCH_REQUEST_MODE_SAME_ORIGIN, FETCH_CREDENTIALS_MODE_INCLUDE,
+      FetchRedirectMode::MANUAL_MODE, resource_type, request_context_type,
+      frame_type, body);
+
+  // Add to context map.
+  context_wrapper->context()->AddNavigationProviderHost(provider_host.Pass());
+}
+
 void ServiceWorkerRequestHandler::InitializeHandler(
     net::URLRequest* request,
     ServiceWorkerContextWrapper* context_wrapper,
     storage::BlobStorageContext* blob_storage_context,
     int process_id,
     int provider_id,
     bool skip_service_worker,
     FetchRequestMode request_mode,
     FetchCredentialsMode credentials_mode,
     FetchRedirectMode redirect_mode,
@@ skipping 11 matching lines @@
   if (!context_wrapper || !context_wrapper->context() ||
       provider_id == kInvalidServiceWorkerProviderId) {
     return;
   }
 
   ServiceWorkerProviderHost* provider_host =
       context_wrapper->context()->GetProviderHost(process_id, provider_id);
   if (!provider_host || !provider_host->IsContextAlive())
     return;
 
-  if (skip_service_worker) {
-    if (ServiceWorkerUtils::IsMainResourceType(resource_type)) {
-      provider_host->SetDocumentUrl(net::SimplifyUrlForRequest(request->url()));
-      provider_host->SetTopmostFrameUrl(request->first_party_for_cookies());
-      // A page load with skip_service_worker should be triggered by
-      // shift-reload, so retain all live matching registrations.
-      provider_host->AddAllMatchingRegistrations();
-    }
-    return;
-  }
-
-  scoped_ptr<ServiceWorkerRequestHandler> handler(
-      provider_host->CreateRequestHandler(
-          request_mode, credentials_mode, redirect_mode, resource_type,
-          request_context_type, frame_type, blob_storage_context->AsWeakPtr(),
-          body));
-  if (!handler)
-    return;
-
-  request->SetUserData(&kUserDataKey, handler.release());
+  FinalizeHandlerInitialization(request, provider_host, blob_storage_context,
+                                skip_service_worker, request_mode,
+                                credentials_mode, redirect_mode, resource_type,
+                                request_context_type, frame_type, body);
 }
 
 ServiceWorkerRequestHandler* ServiceWorkerRequestHandler::GetHandler(
     net::URLRequest* request) {
   return static_cast<ServiceWorkerRequestHandler*>(
       request->GetUserData(&kUserDataKey));
 }
 
 scoped_ptr<net::URLRequestInterceptor>
 ServiceWorkerRequestHandler::CreateInterceptor(
     ResourceContext* resource_context) {
   return scoped_ptr<net::URLRequestInterceptor>(
       new ServiceWorkerRequestInterceptor(resource_context));
 }
 
 bool ServiceWorkerRequestHandler::IsControlledByServiceWorker(
     net::URLRequest* request) {
   ServiceWorkerRequestHandler* handler = GetHandler(request);
   if (!handler || !handler->provider_host_)
     return false;
   return handler->provider_host_->associated_registration() ||
          handler->provider_host_->running_hosted_version();
 }
 
 void ServiceWorkerRequestHandler::PrepareForCrossSiteTransfer(
     int old_process_id) {
+  CHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableBrowserSideNavigation));
   if (!provider_host_ || !context_)
     return;
   old_process_id_ = old_process_id;
   old_provider_id_ = provider_host_->provider_id();
-  host_for_cross_site_transfer_ =
-      context_->TransferProviderHostOut(old_process_id,
-                                        provider_host_->provider_id());
+  host_for_cross_site_transfer_ = context_->TransferProviderHostOut(
+      old_process_id, provider_host_->provider_id());
   DCHECK_EQ(provider_host_.get(), host_for_cross_site_transfer_.get());
 }
 
 void ServiceWorkerRequestHandler::CompleteCrossSiteTransfer(
     int new_process_id, int new_provider_id) {
+  CHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableBrowserSideNavigation));
   if (!host_for_cross_site_transfer_.get() || !context_)
     return;
   DCHECK_EQ(provider_host_.get(), host_for_cross_site_transfer_.get());
-  context_->TransferProviderHostIn(
-      new_process_id,
-      new_provider_id,
-      host_for_cross_site_transfer_.Pass());
+  context_->TransferProviderHostIn(new_process_id, new_provider_id,
+                                   host_for_cross_site_transfer_.Pass());
   DCHECK_EQ(provider_host_->provider_id(), new_provider_id);
 }
 
 void ServiceWorkerRequestHandler::MaybeCompleteCrossSiteTransferInOldProcess(
     int old_process_id) {
+  CHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableBrowserSideNavigation));
   if (!host_for_cross_site_transfer_.get() || !context_ ||
       old_process_id_ != old_process_id) {
     return;
   }
   CompleteCrossSiteTransfer(old_process_id_, old_provider_id_);
 }
 
 ServiceWorkerRequestHandler::~ServiceWorkerRequestHandler() {
 }
 
 ServiceWorkerRequestHandler::ServiceWorkerRequestHandler(
     base::WeakPtr<ServiceWorkerContextCore> context,
     base::WeakPtr<ServiceWorkerProviderHost> provider_host,
     base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
     ResourceType resource_type)
     : context_(context),
       provider_host_(provider_host),
       blob_storage_context_(blob_storage_context),
       resource_type_(resource_type),
       old_process_id_(0),
       old_provider_id_(kInvalidServiceWorkerProviderId) {
 }
 
 }  // namespace content