| // Copyright 2018 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/worker_host/worker_script_loader_factory.h" |
| |
| #include <memory> |
| #include "base/feature_list.h" |
| #include "content/browser/service_worker/service_worker_provider_host.h" |
| #include "content/browser/service_worker/service_worker_version.h" |
| #include "content/browser/worker_host/worker_script_loader.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| #include "services/network/public/cpp/features.h" |
| #include "services/network/public/cpp/resource_response.h" |
| #include "services/network/public/cpp/shared_url_loader_factory.h" |
| #include "third_party/blink/public/mojom/service_worker/service_worker_provider_type.mojom.h" |
| |
| namespace content { |
| |
| WorkerScriptLoaderFactory::WorkerScriptLoaderFactory( |
| int process_id, |
| base::WeakPtr<ServiceWorkerProviderHost> service_worker_provider_host, |
| base::WeakPtr<AppCacheHost> appcache_host, |
| const ResourceContextGetter& resource_context_getter, |
| scoped_refptr<network::SharedURLLoaderFactory> loader_factory) |
| : process_id_(process_id), |
| service_worker_provider_host_(std::move(service_worker_provider_host)), |
| appcache_host_(std::move(appcache_host)), |
| resource_context_getter_(resource_context_getter), |
| loader_factory_(std::move(loader_factory)) { |
| #if DCHECK_IS_ON() |
| DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| // In the current implementation, dedicated workers use |
| // ServiceWorkerProviderHost w/ kForSharedWorker. |
| // TODO(nhiroki): Rename it to kForWorker for both dedicated workers and |
| // shared workers, or add kForDedicatedWorker (https://crbug.com/906991). |
| if (service_worker_provider_host_) { |
| DCHECK_EQ(service_worker_provider_host_->provider_type(), |
| blink::mojom::ServiceWorkerProviderType::kForSharedWorker); |
| } |
| #endif // DCHECK_IS_ON() |
| } |
| |
| WorkerScriptLoaderFactory::~WorkerScriptLoaderFactory() { |
| DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| } |
| |
| void WorkerScriptLoaderFactory::CreateLoaderAndStart( |
| network::mojom::URLLoaderRequest request, |
| int32_t routing_id, |
| int32_t request_id, |
| uint32_t options, |
| const network::ResourceRequest& resource_request, |
| network::mojom::URLLoaderClientPtr client, |
| const net::MutableNetworkTrafficAnnotationTag& traffic_annotation) { |
| DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| |
| // When NetworkService is not enabled, this function is called from the |
| // renderer process, so use ReportBadMessage() instead of DCHECK(). |
| if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) { |
| // Handle only the main script. Import scripts (RESOURCE_TYPE_SCRIPT) |
| // should go to the network loader or controller. |
| if (resource_request.resource_type != RESOURCE_TYPE_WORKER && |
| resource_request.resource_type != RESOURCE_TYPE_SHARED_WORKER) { |
| mojo::ReportBadMessage( |
| "WorkerScriptLoaderFactory should only get requests for worker " |
| "scripts"); |
| return; |
| } |
| if (script_loader_) { |
| mojo::ReportBadMessage( |
| "WorkerScriptLoaderFactory should be used only one time"); |
| return; |
| } |
| } |
| DCHECK(resource_request.resource_type == RESOURCE_TYPE_WORKER || |
| resource_request.resource_type == RESOURCE_TYPE_SHARED_WORKER) |
| << resource_request.resource_type; |
| DCHECK(!script_loader_); |
| |
| // Create a WorkerScriptLoader to load the script. |
| auto script_loader = std::make_unique<WorkerScriptLoader>( |
| process_id_, routing_id, request_id, options, resource_request, |
| std::move(client), service_worker_provider_host_, appcache_host_, |
| resource_context_getter_, loader_factory_, traffic_annotation); |
| script_loader_ = script_loader->GetWeakPtr(); |
| mojo::MakeStrongBinding(std::move(script_loader), std::move(request)); |
| } |
| |
| void WorkerScriptLoaderFactory::Clone( |
| network::mojom::URLLoaderFactoryRequest request) { |
| // This method is required to support synchronous requests, which shared |
| // worker script requests are not. |
| NOTREACHED(); |
| } |
| |
| } // namespace content |