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// Copyright 2014 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_SHARED_WORKER_SERVICE_IMPL_H_
#define CONTENT_BROWSER_WORKER_HOST_SHARED_WORKER_SERVICE_IMPL_H_
#include <memory>
#include <set>
#include <string>
#include <utility>
#include "base/containers/unique_ptr_adapters.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "content/browser/worker_host/shared_worker_host.h"
#include "content/common/content_export.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/shared_worker_service.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "net/storage_access_api/status.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "third_party/blink/public/common/tokens/tokens.h"
#include "third_party/blink/public/mojom/loader/fetch_client_settings_object.mojom.h"
#include "third_party/blink/public/mojom/worker/shared_worker_connector.mojom.h"
#include "third_party/blink/public/mojom/worker/shared_worker_factory.mojom.h"
#include "third_party/blink/public/mojom/worker/worker_main_script_load_params.mojom.h"
namespace blink {
class MessagePortChannel;
class StorageKey;
} // namespace blink
namespace url {
class Origin;
}
namespace content {
class SharedWorkerHost;
class SharedWorkerInstance;
class StoragePartitionImpl;
// Created per StoragePartition.
class CONTENT_EXPORT SharedWorkerServiceImpl : public SharedWorkerService {
public:
SharedWorkerServiceImpl(
StoragePartitionImpl* storage_partition,
scoped_refptr<ServiceWorkerContextWrapper> service_worker_context);
SharedWorkerServiceImpl(const SharedWorkerServiceImpl&) = delete;
SharedWorkerServiceImpl& operator=(const SharedWorkerServiceImpl&) = delete;
~SharedWorkerServiceImpl() override;
// SharedWorkerService implementation.
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
void EnumerateSharedWorkers(Observer* observer) override;
bool TerminateWorker(const GURL& url,
const std::string& name,
const blink::StorageKey& storage_key,
const blink::mojom::SharedWorkerSameSiteCookies
same_site_cookies) override;
void Shutdown() override;
// Uses |url_loader_factory| to load workers' scripts instead of
// StoragePartition's ReconnectableURLLoaderFactoryForIOThread.
void SetURLLoaderFactoryForTesting(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory);
// Creates the worker if necessary or connects to an already existing worker.
// `storage_key_override` is used to grant access to unpartitioned workers
// in a partitioned context.
void ConnectToWorker(
GlobalRenderFrameHostId client_render_frame_host_id,
blink::mojom::SharedWorkerInfoPtr info,
mojo::PendingRemote<blink::mojom::SharedWorkerClient> client,
blink::mojom::SharedWorkerCreationContextType creation_context_type,
const blink::MessagePortChannel& port,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
ukm::SourceId client_ukm_source_id,
const std::optional<blink::StorageKey>& storage_key_override);
// Returns the SharedWorkerHost associated with this token. Clients should
// not hold on to the pointer, as it may become invalid when the worker exits.
SharedWorkerHost* GetSharedWorkerHostFromToken(
const blink::SharedWorkerToken& worker_token) const;
// Virtual for testing.
virtual void DestroyHost(SharedWorkerHost* host);
void NotifyWorkerCreated(const blink::SharedWorkerToken& shared_worker_token,
int worker_process_id,
const url::Origin& security_origin,
const base::UnguessableToken& dev_tools_token);
void NotifyBeforeWorkerDestroyed(
const blink::SharedWorkerToken& shared_worker_token);
void NotifyClientAdded(const blink::SharedWorkerToken& shared_worker_token,
GlobalRenderFrameHostId render_frame_host_id);
void NotifyClientRemoved(const blink::SharedWorkerToken& shared_worker_token,
GlobalRenderFrameHostId render_frame_host_id);
StoragePartitionImpl* storage_partition() { return storage_partition_; }
private:
friend class SharedWorkerHostTest;
friend class SharedWorkerServiceImplTest;
friend class TestSharedWorkerServiceImpl;
friend class WorkerTest;
friend class SharedWorkerExtendedLifetimeBrowserTest;
friend class SharedWorkerExtendedLifetimeBrowserOriginTrialTest;
FRIEND_TEST_ALL_PREFIXES(NetworkServiceRestartBrowserTest, SharedWorker);
// Creates a new worker in the creator's renderer process.
SharedWorkerHost* CreateWorker(
RenderFrameHostImpl& creator,
const SharedWorkerInstance& instance,
std::vector<network::mojom::ContentSecurityPolicyPtr>
content_security_policies,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
const std::string& storage_domain,
const blink::MessagePortChannel& message_port,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
const std::optional<blink::StorageKey>& storage_key_override);
void StartWorker(base::WeakPtr<SharedWorkerHost> host,
const blink::MessagePortChannel& message_port,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
std::optional<WorkerScriptFetcherResult> result);
// Returns nullptr if there is no such host.
SharedWorkerHost* FindMatchingSharedWorkerHost(
const GURL& url,
const std::string& name,
const blink::StorageKey& storage_key,
const blink::mojom::SharedWorkerSameSiteCookies same_site_cookies);
void ScriptLoadFailed(
mojo::PendingRemote<blink::mojom::SharedWorkerClient> client,
const std::string& error_message);
std::set<std::unique_ptr<SharedWorkerHost>, base::UniquePtrComparator>
worker_hosts_;
base::flat_map<blink::SharedWorkerToken,
raw_ptr<SharedWorkerHost, CtnExperimental>>
shared_worker_hosts_;
// |storage_partition_| owns |this|.
const raw_ptr<StoragePartitionImpl> storage_partition_;
scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory_override_;
// Keeps a reference count of each worker-client pair so as to not send
// duplicate OnClientAdded() notifications if the same frame connects multiple
// times to the same shared worker. Note that this is a situation unique to
// shared worker and cannot happen with dedicated workers and service workers.
base::flat_map<std::pair<blink::SharedWorkerToken, GlobalRenderFrameHostId>,
int>
shared_worker_client_counts_;
base::ObserverList<Observer> observers_;
base::WeakPtrFactory<SharedWorkerServiceImpl> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_WORKER_HOST_SHARED_WORKER_SERVICE_IMPL_H_
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