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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_WORKER_HOST_WORKER_SCRIPT_LOADER_FACTORY_H_
#define CONTENT_BROWSER_WORKER_HOST_WORKER_SCRIPT_LOADER_FACTORY_H_
#include "base/memory/weak_ptr.h"
#include "content/browser/navigation_subresource_loader_params.h"
#include "content/common/content_export.h"
#include "content/public/browser/service_worker_client_info.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "net/base/isolation_info.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "third_party/blink/public/common/tokens/tokens.h"
namespace network {
class SharedURLLoaderFactory;
} // namespace network
namespace content {
class BrowserContext;
class ServiceWorkerMainResourceHandle;
class WorkerScriptLoader;
// WorkerScriptLoaderFactory creates a WorkerScriptLoader to load the main
// script for a web worker (dedicated worker or shared worker), which follows
// redirects and sets the controller service worker on the web worker if needed.
// It's an error to call CreateLoaderAndStart() more than a total of one time
// across this object or any of its clones.
//
// This is created per one web worker. It lives on the UI thread.
class CONTENT_EXPORT WorkerScriptLoaderFactory
: public network::mojom::URLLoaderFactory {
public:
// Returns the browser context, or nullptr during shutdown. Must be called on
// the UI thread.
using BrowserContextGetter = base::RepeatingCallback<BrowserContext*(void)>;
// |loader_factory| is used to load the script if the load is not intercepted
// by a feature like service worker. Typically it will load the script from
// the NetworkService. However, it may internally contain non-NetworkService
// factories used for non-http(s) URLs, e.g., a chrome-extension:// URL.
WorkerScriptLoaderFactory(
int process_id,
const DedicatedOrSharedWorkerToken& worker_token,
const net::IsolationInfo& isolation_info,
ServiceWorkerMainResourceHandle* service_worker_handle,
const BrowserContextGetter& browser_context_getter,
scoped_refptr<network::SharedURLLoaderFactory> loader_factory);
WorkerScriptLoaderFactory(const WorkerScriptLoaderFactory&) = delete;
WorkerScriptLoaderFactory& operator=(const WorkerScriptLoaderFactory&) =
delete;
~WorkerScriptLoaderFactory() override;
// network::mojom::URLLoaderFactory:
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> receiver,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& resource_request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
override;
void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver)
override;
base::WeakPtr<WorkerScriptLoader> GetScriptLoader() { return script_loader_; }
private:
const int process_id_;
const DedicatedOrSharedWorkerToken worker_token_;
const net::IsolationInfo isolation_info_;
base::WeakPtr<ServiceWorkerMainResourceHandle> service_worker_handle_;
BrowserContextGetter browser_context_getter_;
scoped_refptr<network::SharedURLLoaderFactory> loader_factory_;
// This is owned by SelfOwnedReceiver associated with the given
// mojo::PendingReceiver<URLLoader>, and invalidated after receiver completion
// or failure.
base::WeakPtr<WorkerScriptLoader> script_loader_;
};
} // namespace content
#endif // CONTENT_BROWSER_WORKER_HOST_WORKER_SCRIPT_LOADER_FACTORY_H_
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