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// Copyright 2015 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_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_HOST_H_
#include <stdint.h>
#include "base/memory/raw_ptr.h"
#include "components/services/storage/public/mojom/cache_storage_control.mojom.h"
#include "content/browser/cache_storage/cache_storage_handle.h"
#include "content/browser/cache_storage/cache_storage_manager.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/unique_associated_receiver_set.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "third_party/blink/public/mojom/cache_storage/cache_storage.mojom.h"
namespace network {
struct CrossOriginEmbedderPolicy;
struct DocumentIsolationPolicy;
}
namespace storage {
struct BucketLocator;
}
namespace content {
class CacheStorageContextImpl;
// Handles Cache Storage related messages sent to the browser process from
// child processes. One host instance exists per child process. Each host
// is bound to the cache_storage scheduler sequence and may not be accessed
// from other sequences.
class CacheStorageDispatcherHost {
public:
CacheStorageDispatcherHost(
CacheStorageContextImpl* context,
scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy);
CacheStorageDispatcherHost(const CacheStorageDispatcherHost&) = delete;
CacheStorageDispatcherHost& operator=(const CacheStorageDispatcherHost&) =
delete;
~CacheStorageDispatcherHost();
// Binds the CacheStorage Mojo receiver to this instance.
// NOTE: The same CacheStorageDispatcherHost instance may be bound to
// different clients on different origins. Each context is kept on
// BindingSet's context. This guarantees that the browser process uses the
// origin of the client known at the binding time, instead of relying on the
// client to provide its origin at every method call.
void AddReceiver(
const network::CrossOriginEmbedderPolicy& cross_origin_embedder_policy,
mojo::PendingRemote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter,
const network::DocumentIsolationPolicy& document_isolation_policy,
mojo::PendingRemote<network::mojom::DocumentIsolationPolicyReporter>
dip_reporter,
const blink::StorageKey& storage_key,
const std::optional<storage::BucketLocator>& bucket,
storage::mojom::CacheStorageOwner owner,
mojo::PendingReceiver<blink::mojom::CacheStorage> receiver);
base::WeakPtr<CacheStorageDispatcherHost> AsWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
bool WasNotifiedOfBucketDataDeletion(
const storage::BucketLocator& bucket_locator);
void NotifyBucketDataDeleted(const storage::BucketLocator& bucket_locator);
private:
class CacheStorageImpl;
class CacheImpl;
friend class CacheImpl;
void AddCacheReceiver(
std::unique_ptr<CacheImpl> cache_impl,
mojo::PendingAssociatedReceiver<blink::mojom::CacheStorageCache>
receiver);
CacheStorageHandle OpenCacheStorage(
const storage::BucketLocator& bucket_locator,
storage::mojom::CacheStorageOwner owner);
void UpdateOrCreateDefaultBucket(
const blink::StorageKey& storage_key,
base::OnceCallback<void(storage::QuotaErrorOr<storage::BucketInfo>)>
callback);
// `this` is owned by `context_`.
const raw_ptr<CacheStorageContextImpl> context_;
scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_;
mojo::UniqueReceiverSet<blink::mojom::CacheStorage> receivers_;
mojo::UniqueAssociatedReceiverSet<blink::mojom::CacheStorageCache>
cache_receivers_;
std::set<storage::BucketLocator> deleted_buckets_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<CacheStorageDispatcherHost> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_HOST_H_
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