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content / browser / service_worker / service_worker_container_host.h [blame]
// Copyright 2019 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_SERVICE_WORKER_SERVICE_WORKER_CONTAINER_HOST_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTAINER_HOST_H_
#include <map>
#include <memory>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/types/pass_key.h"
#include "content/browser/renderer_host/policy_container_host.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "third_party/blink/public/common/service_worker/service_worker_status_code.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_container.mojom.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_object.mojom-forward.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_registration.mojom.h"
namespace content {
namespace service_worker_object_host_unittest {
class ServiceWorkerObjectHostTest;
}
class ServiceWorkerClient;
class ServiceWorkerContainerHost;
class ServiceWorkerContextCore;
class ServiceWorkerHost;
class ServiceWorkerObjectHost;
class ServiceWorkerRegistration;
class ServiceWorkerRegistrationObjectHost;
class ServiceWorkerVersion;
// Manager classes that manages *Host objects associated with a
// `ServiceWorkerContainerHost`. These objects are owned by, corresponds 1:1 to,
// and have the same lifetime as the `ServiceWorkerContainerHost` object and
// thus the `container_host_` pointers are always valid.
class CONTENT_EXPORT ServiceWorkerRegistrationObjectManager final {
public:
explicit ServiceWorkerRegistrationObjectManager(
ServiceWorkerContainerHost* container_host);
~ServiceWorkerRegistrationObjectManager();
// Returns an object info representing |registration|. The object info holds a
// Mojo connection to the ServiceWorkerRegistrationObjectHost for the
// |registration| to ensure the host stays alive while the object info is
// alive. A new ServiceWorkerRegistrationObjectHost instance is created if one
// can not be found in |registration_object_hosts_|.
//
// NOTE: The registration object info should be sent over Mojo in the same
// task with calling this method. Otherwise, some Mojo calls to
// blink::mojom::ServiceWorkerRegistrationObject or
// blink::mojom::ServiceWorkerObject may happen before establishing the
// connections, and they'll end up with crashes.
blink::mojom::ServiceWorkerRegistrationObjectInfoPtr CreateInfo(
scoped_refptr<ServiceWorkerRegistration> registration);
// Removes the ServiceWorkerRegistrationObjectHost corresponding to
// |registration_id|.
void RemoveHost(int64_t registration_id);
private:
friend class service_worker_object_host_unittest::ServiceWorkerObjectHostTest;
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerJobTest, Unregister);
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerJobTest, RegisterDuplicateScript);
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerUpdateJobTest,
RegisterWithDifferentUpdateViaCache);
FRIEND_TEST_ALL_PREFIXES(BackgroundSyncManagerTest,
RegisterWithoutLiveSWRegistration);
// Contains all ServiceWorkerRegistrationObjectHost instances corresponding to
// the service worker registration JavaScript objects for the hosted execution
// context (service worker global scope or service worker client) in the
// renderer process.
std::map<int64_t /* registration_id */,
std::unique_ptr<ServiceWorkerRegistrationObjectHost>>
registration_object_hosts_;
// Always non-null and valid.
const raw_ref<ServiceWorkerContainerHost> container_host_;
SEQUENCE_CHECKER(sequence_checker_);
};
class CONTENT_EXPORT ServiceWorkerObjectManager final {
public:
explicit ServiceWorkerObjectManager(
ServiceWorkerContainerHost* container_host);
~ServiceWorkerObjectManager();
// For service worker execution contexts.
// Returns an object info representing |self.serviceWorker|. The object
// info holds a Mojo connection to the ServiceWorkerObjectHost for the
// |serviceWorker| to ensure the host stays alive while the object info is
// alive. See documentation.
blink::mojom::ServiceWorkerObjectInfoPtr CreateInfoToSend(
scoped_refptr<ServiceWorkerVersion> version);
// Returns a ServiceWorkerObjectHost instance for |version| for this
// container host. A new instance is created if one does not already exist.
// ServiceWorkerObjectHost will have an ownership of the |version|.
base::WeakPtr<ServiceWorkerObjectHost> GetOrCreateHost(
scoped_refptr<ServiceWorkerVersion> version);
// Removes the ServiceWorkerObjectHost corresponding to |version_id|.
void RemoveHost(int64_t version_id);
private:
friend class service_worker_object_host_unittest::ServiceWorkerObjectHostTest;
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerJobTest, Unregister);
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerJobTest, RegisterDuplicateScript);
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerUpdateJobTest,
RegisterWithDifferentUpdateViaCache);
// Contains all ServiceWorkerObjectHost instances corresponding to
// the service worker JavaScript objects for the hosted execution
// context (service worker global scope or service worker client) in the
// renderer process.
std::map<int64_t /* version_id */, std::unique_ptr<ServiceWorkerObjectHost>>
service_worker_object_hosts_;
// Always non-null and valid.
const raw_ref<ServiceWorkerContainerHost> container_host_;
SEQUENCE_CHECKER(sequence_checker_);
};
// `ServiceWorkerContainerHost` is the host of a ServiceWorkerContainer in the
// renderer process: https://w3c.github.io/ServiceWorker/#serviceworkercontainer
// - `ServiceWorkerContainerHostForClient` for a window, dedicated worker, or
// shared worker.
// - `ServiceWorkerContainerHostForServiceWorker` for a service worker execution
// context.
//
// Most of its functionality helps implement the web-exposed
// ServiceWorkerContainer interface (navigator.serviceWorker). The long-term
// goal is for it to be the host of ServiceWorkerContainer in the renderer,
// although currently only windows support ServiceWorkerContainers (see
// https://crbug.com/371690).
//
// ServiceWorkerContainerHost is also responsible for handling service worker
// related things in the execution context where the container lives. For
// example, the container host manages service worker (registration) JavaScript
// object hosts, delivers messages to/from the service worker, and dispatches
// events on the container.
class CONTENT_EXPORT ServiceWorkerContainerHost
: public blink::mojom::ServiceWorkerContainerHost {
public:
ServiceWorkerContainerHost(const ServiceWorkerContainerHost& other) = delete;
ServiceWorkerContainerHost& operator=(
const ServiceWorkerContainerHost& other) = delete;
ServiceWorkerContainerHost(ServiceWorkerContainerHost&& other) = delete;
ServiceWorkerContainerHost& operator=(ServiceWorkerContainerHost&& other) =
delete;
~ServiceWorkerContainerHost() override;
// Implements blink::mojom::ServiceWorkerContainerHost.
void CloneContainerHost(
mojo::PendingReceiver<blink::mojom::ServiceWorkerContainerHost> receiver)
override;
virtual const base::WeakPtr<ServiceWorkerContextCore>& context() const = 0;
virtual base::WeakPtr<ServiceWorkerContainerHost> AsWeakPtr() = 0;
// The URL of this context.
virtual const GURL& url() const = 0;
// Calls ContentBrowserClient::AllowServiceWorker(). Returns true if content
// settings allows service workers to run at |scope|. If this container is for
// a window client, the check involves the topmost frame url as well as
// |scope|, and may display tab-level UI.
// If non-empty, |script_url| is the script the service worker will run.
virtual bool AllowServiceWorker(const GURL& scope,
const GURL& script_url) = 0;
using StatusCallback =
base::OnceCallback<void(blink::ServiceWorkerStatusCode)>;
virtual void DispatchExtendableMessageEvent(
scoped_refptr<ServiceWorkerVersion> version,
::blink::TransferableMessage message,
StatusCallback callback) = 0;
virtual void Update(
scoped_refptr<ServiceWorkerRegistration> registration,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
blink::mojom::ServiceWorkerRegistrationObjectHost::UpdateCallback
callback) = 0;
ServiceWorkerRegistrationObjectManager& registration_object_manager() {
return registration_object_manager_;
}
ServiceWorkerObjectManager& version_object_manager() {
return version_object_manager_;
}
protected:
ServiceWorkerContainerHost();
SEQUENCE_CHECKER(sequence_checker_);
private:
// Container host receivers other than the original |receiver_|. These include
// receivers used from (dedicated or shared) worker threads, or from
// ServiceWorkerSubresourceLoaderFactory.
mojo::ReceiverSet<blink::mojom::ServiceWorkerContainerHost>
additional_receivers_;
ServiceWorkerRegistrationObjectManager registration_object_manager_{this};
ServiceWorkerObjectManager version_object_manager_{this};
};
// `ServiceWorkerContainerHostForClient` is owned by and corresponds 1:1 to a
// `ServiceWorkerClient`.
//
// `ServiceWorkerContainerHostForClient` is created at the same time as the
// corresponding `ServiceWorkerClient` construction.
// TODO(https://crbug.com/336154571): Create
// `ServiceWorkerContainerHostForClient` once the global scope in the renderer
// process is created and ready to receive mojo calls.
//
// The container host has a Mojo connection to the container in the renderer,
// and destruction of the container host happens upon disconnection of the Mojo
// pipe.
class CONTENT_EXPORT ServiceWorkerContainerHostForClient final
: public ServiceWorkerContainerHost {
public:
// Binds `this` to the mojo pipes of `container_info`.
// Must be called during `ServiceWorkerClient::CommitResponse()`.
ServiceWorkerContainerHostForClient(
base::PassKey<ServiceWorkerClient>,
base::WeakPtr<ServiceWorkerClient> service_worker_client,
blink::mojom::ServiceWorkerContainerInfoForClientPtr& container_info,
const PolicyContainerPolicies& policy_container_policies,
mojo::PendingRemote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter,
ukm::SourceId ukm_source_id);
~ServiceWorkerContainerHostForClient() override;
ServiceWorkerClient& service_worker_client() {
return *service_worker_client_;
}
const ServiceWorkerClient& service_worker_client() const {
return *service_worker_client_;
}
// For assertion only.
bool IsContainerRemoteConnected() const;
// Should be called only when `controller()` is non-null.
blink::mojom::ControllerServiceWorkerInfoPtr
CreateControllerServiceWorkerInfo();
// Dispatches message event to the client (document, dedicated worker when
// PlzDedicatedWorker is enabled, or shared worker).
void PostMessageToClient(ServiceWorkerVersion& version,
blink::TransferableMessage message);
// Sends information about the controller to the container of the service
// worker clients in the renderer. If |notify_controllerchange| is true,
// instructs the renderer to dispatch a 'controllerchange' event.
void SendSetController(bool notify_controllerchange);
// Called from ServiceWorkerClient.
void CountFeature(blink::mojom::WebFeature feature);
void OnVersionAttributesChanged(
ServiceWorkerRegistration* registration,
blink::mojom::ChangedServiceWorkerObjectsMaskPtr changed_mask);
void ReturnRegistrationForReadyIfNeeded();
void CloneControllerServiceWorker(
mojo::PendingReceiver<blink::mojom::ControllerServiceWorker> receiver);
// Implements blink::mojom::ServiceWorkerContainerHost.
void Register(const GURL& script_url,
blink::mojom::ServiceWorkerRegistrationOptionsPtr options,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
RegisterCallback callback) override;
void GetRegistration(const GURL& client_url,
GetRegistrationCallback callback) override;
void GetRegistrations(GetRegistrationsCallback callback) override;
void GetRegistrationForReady(
GetRegistrationForReadyCallback callback) override;
void EnsureControllerServiceWorker(
mojo::PendingReceiver<blink::mojom::ControllerServiceWorker> receiver,
blink::mojom::ControllerServiceWorkerPurpose purpose) override;
void HintToUpdateServiceWorker() override;
void EnsureFileAccess(const std::vector<base::FilePath>& file_paths,
EnsureFileAccessCallback callback) override;
void OnExecutionReady() override;
// Implements ServiceWorkerContainerHost.
const base::WeakPtr<ServiceWorkerContextCore>& context() const override;
base::WeakPtr<ServiceWorkerContainerHost> AsWeakPtr() override;
const GURL& url() const override;
bool AllowServiceWorker(const GURL& scope, const GURL& script_url) override;
void DispatchExtendableMessageEvent(
scoped_refptr<ServiceWorkerVersion> version,
::blink::TransferableMessage message,
StatusCallback callback) override;
void Update(scoped_refptr<ServiceWorkerRegistration> registration,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
blink::mojom::ServiceWorkerRegistrationObjectHost::UpdateCallback
callback) override;
ukm::SourceId ukm_source_id() const { return ukm_source_id_; }
ServiceWorkerVersion* controller() const;
private:
// Callback for ServiceWorkerContextCore::RegisterServiceWorker().
void RegistrationComplete(const GURL& script_url,
const GURL& scope,
RegisterCallback callback,
int64_t trace_id,
mojo::ReportBadMessageCallback bad_message_callback,
blink::ServiceWorkerStatusCode status,
const std::string& status_message,
int64_t registration_id);
// Callback for ServiceWorkerRegistry::FindRegistrationForClientUrl().
void GetRegistrationComplete(
GetRegistrationCallback callback,
int64_t trace_id,
blink::ServiceWorkerStatusCode status,
scoped_refptr<ServiceWorkerRegistration> registration);
// Callback for ServiceWorkerStorage::GetRegistrationsForOrigin().
void GetRegistrationsComplete(
GetRegistrationsCallback callback,
int64_t trace_id,
blink::ServiceWorkerStatusCode status,
const std::vector<scoped_refptr<ServiceWorkerRegistration>>&
registrations);
// Callback for ServiceWorkerVersion::RunAfterStartWorker()
void StartControllerComplete(
mojo::PendingReceiver<blink::mojom::ControllerServiceWorker> receiver,
blink::ServiceWorkerStatusCode status);
bool IsValidGetRegistrationMessage(const GURL& client_url,
std::string* out_error) const;
bool IsValidGetRegistrationsMessage(std::string* out_error) const;
bool IsValidGetRegistrationForReadyMessage(std::string* out_error) const;
// Perform common checks that need to run before ContainerHost methods that
// come from a child process are handled.
// |scope| is checked if it is allowed to run a service worker.
// If non-empty, |script_url| is the script associated with the service
// worker.
// Returns true if all checks have passed.
// If anything looks wrong |callback| will run with an error
// message prefixed by |error_prefix| and |args|, and false is returned.
template <typename CallbackType, typename... Args>
bool CanServeContainerHostMethods(CallbackType* callback,
const GURL& scope,
const GURL& script_url,
const char* error_prefix,
Args... args);
// For service worker clients. Similar to EnsureControllerServiceWorker, but
// this returns a bound Mojo ptr which is supposed to be sent to clients. The
// controller ptr passed to the clients will be used to intercept requests
// from them.
// It is invalid to call this when controller_ is null.
//
// This method can be called in one of the following cases:
//
// - During navigation, right after CommitResponse().
// - When a controller is updated by UpdateController() (e.g.
// by OnSkippedWaiting() or SetControllerRegistration()).
// In some cases the controller worker may not be started yet.
//
// This may return nullptr if the controller service worker does not have a
// fetch handler, i.e. when the renderer does not need the controller ptr.
//
// WARNING:
// Unlike EnsureControllerServiceWorker, this method doesn't guarantee that
// the controller worker is running because this method can be called in some
// situations where the worker isn't running yet. When the returned ptr is
// stored somewhere and intended to use later, clients need to make sure
// that the worker is eventually started to use the ptr.
// Currently all the callsites do this, i.e. they start the worker before
// or after calling this, but there's no mechanism to prevent future breakage.
// TODO(crbug.com/40569659): Figure out a way to prevent misuse of this
// method.
// TODO(crbug.com/40569659): Make sure the connection error handler fires in
// ControllerServiceWorkerConnector (so that it can correctly call
// EnsureControllerServiceWorker later) if the worker gets killed before
// events are dispatched.
//
// TODO(kinuko): revisit this if we start to use the ControllerServiceWorker
// for posting messages.
mojo::PendingRemote<blink::mojom::ControllerServiceWorker>
GetRemoteControllerServiceWorker();
// The corresponding service worker client that owns `this`.
// Always valid and non-null except for initialization/destruction.
base::WeakPtr<ServiceWorkerClient> service_worker_client_;
// The ready() promise is only allowed to be created once.
// |get_ready_callback_| has three states:
// 1. |get_ready_callback_| is null when ready() has not yet been called.
// 2. |*get_ready_callback_| is a valid OnceCallback after ready() has been
// called and the callback has not yet been run.
// 3. |*get_ready_callback_| is a null OnceCallback after the callback has
// been run.
std::unique_ptr<GetRegistrationForReadyCallback> get_ready_callback_;
// |container_| is the remote renderer-side ServiceWorkerContainer that |this|
// is hosting.
mojo::AssociatedRemote<blink::mojom::ServiceWorkerContainer> container_;
// The source id of the client's ExecutionContext.
const ukm::SourceId ukm_source_id_;
// The policy container policies of the client.
const PolicyContainerPolicies policy_container_policies_;
// An endpoint connected to the COEP reporter. A clone of this connection is
// passed to the service worker. Bound on response commit.
mojo::Remote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter_;
base::WeakPtrFactory<ServiceWorkerContainerHostForClient> weak_ptr_factory_{
this};
};
// ServiceWorkerContainerHostForServiceWorker is owned by ServiceWorkerHost,
// which in turn is owned by ServiceWorkerVersion. The container host and worker
// host are destructed when the service worker is stopped.
class CONTENT_EXPORT ServiceWorkerContainerHostForServiceWorker final
: public ServiceWorkerContainerHost {
public:
ServiceWorkerContainerHostForServiceWorker(
base::WeakPtr<ServiceWorkerContextCore> context,
ServiceWorkerHost* service_worker_host,
const GURL& url,
const blink::StorageKey& storage_key);
~ServiceWorkerContainerHostForServiceWorker() override;
// Implements blink::mojom::ServiceWorkerContainerHost.
void Register(const GURL& script_url,
blink::mojom::ServiceWorkerRegistrationOptionsPtr options,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
RegisterCallback callback) override;
void GetRegistration(const GURL& client_url,
GetRegistrationCallback callback) override;
void GetRegistrations(GetRegistrationsCallback callback) override;
void GetRegistrationForReady(
GetRegistrationForReadyCallback callback) override;
void EnsureControllerServiceWorker(
mojo::PendingReceiver<blink::mojom::ControllerServiceWorker> receiver,
blink::mojom::ControllerServiceWorkerPurpose purpose) override;
void HintToUpdateServiceWorker() override;
void EnsureFileAccess(const std::vector<base::FilePath>& file_paths,
EnsureFileAccessCallback callback) override;
void OnExecutionReady() override;
// Implements ServiceWorkerContainerHost.
const base::WeakPtr<ServiceWorkerContextCore>& context() const override;
base::WeakPtr<ServiceWorkerContainerHost> AsWeakPtr() override;
const GURL& url() const override;
bool AllowServiceWorker(const GURL& scope, const GURL& script_url) override;
void DispatchExtendableMessageEvent(
scoped_refptr<ServiceWorkerVersion> version,
::blink::TransferableMessage message,
StatusCallback callback) override;
void Update(scoped_refptr<ServiceWorkerRegistration> registration,
blink::mojom::FetchClientSettingsObjectPtr
outside_fetch_client_settings_object,
blink::mojom::ServiceWorkerRegistrationObjectHost::UpdateCallback
callback) override;
ServiceWorkerHost* service_worker_host();
const blink::StorageKey& key() const;
const url::Origin& top_frame_origin() const;
private:
// The ServiceWorkerHost that owns |this|.
const raw_ptr<ServiceWorkerHost> service_worker_host_;
const base::WeakPtr<ServiceWorkerContextCore> context_;
// The URL of the service worker's script.
const GURL url_;
const blink::StorageKey key_;
const url::Origin top_frame_origin_;
base::WeakPtrFactory<ServiceWorkerContainerHostForServiceWorker>
weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTAINER_HOST_H_