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content / browser / shared_storage / shared_storage_worklet_host_manager.h [blame]
// Copyright 2021 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_SHARED_STORAGE_SHARED_STORAGE_WORKLET_HOST_MANAGER_H_
#define CONTENT_BROWSER_SHARED_STORAGE_SHARED_STORAGE_WORKLET_HOST_MANAGER_H_
#include <map>
#include <memory>
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "base/scoped_observation_traits.h"
#include "base/time/time.h"
#include "content/browser/locks/lock_manager.h"
#include "content/browser/shared_storage/shared_storage_event_params.h"
#include "content/common/content_export.h"
#include "content/public/browser/frame_tree_node_id.h"
#include "third_party/blink/public/mojom/origin_trial_feature/origin_trial_feature.mojom-shared.h"
#include "third_party/blink/public/mojom/shared_storage/shared_storage.mojom.h"
namespace content {
class FencedFrameConfig;
class SharedStorageDocumentServiceImpl;
class SharedStorageWorkletHost;
// Manages the creation and destruction of the `SharedStorageWorkletHost`. The
// manager is bound to the StoragePartition.
class CONTENT_EXPORT SharedStorageWorkletHostManager {
public:
using WorkletHosts = std::map<SharedStorageWorkletHost*,
std::unique_ptr<SharedStorageWorkletHost>>;
// Represents an origin for use as a lock group ID.
// This wraps the serialized origin and provides a trivial `is_null()` method
// to satisfy the requirements of the LockManager template class.
struct OriginLockGroupId {
explicit OriginLockGroupId(const url::Origin& origin)
: origin(origin.Serialize()) {}
bool is_null() const { return false; }
bool operator<(const OriginLockGroupId& other) const {
return origin < other.origin;
}
std::string origin;
};
SharedStorageWorkletHostManager();
virtual ~SharedStorageWorkletHostManager();
class SharedStorageObserverInterface : public base::CheckedObserver {
public:
enum AccessType {
// The "Document" prefix indicates that the method is called from the
// Window scope, and the "Worklet" prefix indicates that the method is
// called from SharedStorageWorkletGlobalScope.
kDocumentAddModule,
kDocumentSelectURL,
kDocumentRun,
kDocumentSet,
kDocumentAppend,
kDocumentDelete,
kDocumentClear,
kDocumentGet,
kWorkletSet,
kWorkletAppend,
kWorkletDelete,
kWorkletClear,
kWorkletGet,
kWorkletKeys,
kWorkletEntries,
kWorkletLength,
kWorkletRemainingBudget,
kHeaderSet,
kHeaderAppend,
kHeaderDelete,
kHeaderClear,
};
virtual void OnSharedStorageAccessed(
const base::Time& access_time,
AccessType type,
FrameTreeNodeId main_frame_id,
const std::string& owner_origin,
const SharedStorageEventParams& params) = 0;
virtual void OnUrnUuidGenerated(const GURL& urn_uuid) = 0;
virtual void OnConfigPopulated(
const std::optional<FencedFrameConfig>& config) = 0;
};
void OnDocumentServiceDestroyed(
SharedStorageDocumentServiceImpl* document_service);
void ExpireWorkletHostForDocumentService(
SharedStorageDocumentServiceImpl* document_service,
SharedStorageWorkletHost* worklet_host);
void CreateWorkletHost(
SharedStorageDocumentServiceImpl* document_service,
const url::Origin& frame_origin,
const url::Origin& data_origin,
const GURL& script_source_url,
network::mojom::CredentialsMode credentials_mode,
const std::vector<blink::mojom::OriginTrialFeature>&
origin_trial_features,
mojo::PendingAssociatedReceiver<blink::mojom::SharedStorageWorkletHost>
worklet_host_receiver,
blink::mojom::SharedStorageDocumentService::CreateWorkletCallback
callback);
void AddSharedStorageObserver(SharedStorageObserverInterface* observer);
void RemoveSharedStorageObserver(SharedStorageObserverInterface* observer);
void NotifySharedStorageAccessed(
SharedStorageObserverInterface::AccessType type,
FrameTreeNodeId main_frame_id,
const std::string& owner_origin,
const SharedStorageEventParams& params);
std::map<SharedStorageDocumentServiceImpl*, WorkletHosts>&
GetAttachedWorkletHostsForTesting() {
return attached_shared_storage_worklet_hosts_;
}
const std::map<SharedStorageWorkletHost*,
std::unique_ptr<SharedStorageWorkletHost>>&
GetKeepAliveWorkletHostsForTesting() {
return keep_alive_shared_storage_worklet_hosts_;
}
void NotifyUrnUuidGenerated(const GURL& urn_uuid);
void NotifyConfigPopulated(const std::optional<FencedFrameConfig>& config);
void BindLockManager(
const url::Origin& shared_storage_origin,
mojo::PendingReceiver<blink::mojom::LockManager> receiver);
protected:
void OnWorkletKeepAliveFinished(SharedStorageWorkletHost*);
// virtual for testing
virtual std::unique_ptr<SharedStorageWorkletHost> CreateWorkletHostHelper(
SharedStorageDocumentServiceImpl& document_service,
const url::Origin& frame_origin,
const url::Origin& data_origin,
const GURL& script_source_url,
network::mojom::CredentialsMode credentials_mode,
const std::vector<blink::mojom::OriginTrialFeature>&
origin_trial_features,
mojo::PendingAssociatedReceiver<blink::mojom::SharedStorageWorkletHost>
worklet_host,
blink::mojom::SharedStorageDocumentService::CreateWorkletCallback
callback);
private:
// The hosts that are attached to the worklet's owner document. Those hosts
// are created on demand when the `SharedStorageDocumentServiceImpl` requests
// it. When the corresponding document is destructed (where it will call
// `OnDocumentServiceDestroyed`), its associated worklet hosts will either be
// destroyed, or will be moved from this map to
// `keep_alive_shared_storage_worklet_hosts_`, depending on whether there are
// pending operations.
std::map<SharedStorageDocumentServiceImpl*, WorkletHosts>
attached_shared_storage_worklet_hosts_;
// Manages shared storage locks.
LockManager<OriginLockGroupId> lock_manager_;
// The hosts that are detached from the worklet's owner document and have
// entered keep-alive phase.
WorkletHosts keep_alive_shared_storage_worklet_hosts_;
base::ObserverList<SharedStorageObserverInterface> observers_;
};
} // namespace content
namespace base {
template <>
struct ScopedObservationTraits<
content::SharedStorageWorkletHostManager,
content::SharedStorageWorkletHostManager::SharedStorageObserverInterface> {
static void AddObserver(
content::SharedStorageWorkletHostManager* source,
content::SharedStorageWorkletHostManager::SharedStorageObserverInterface*
observer) {
source->AddSharedStorageObserver(observer);
}
static void RemoveObserver(
content::SharedStorageWorkletHostManager* source,
content::SharedStorageWorkletHostManager::SharedStorageObserverInterface*
observer) {
source->RemoveSharedStorageObserver(observer);
}
};
} // namespace base
#endif // CONTENT_BROWSER_SHARED_STORAGE_SHARED_STORAGE_WORKLET_HOST_MANAGER_H_