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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_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/services/storage/public/mojom/service_worker_storage_control.mojom.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/completion_once_callback.h"
#include "net/base/net_errors.h"
class GURL;
namespace content {
class ServiceWorkerContextCore;
class ServiceWorkerVersion;
// Class that maintains the mapping between urls and a resource id
// for a particular version's implicit script resources.
class CONTENT_EXPORT ServiceWorkerScriptCacheMap {
public:
ServiceWorkerScriptCacheMap(const ServiceWorkerScriptCacheMap&) = delete;
ServiceWorkerScriptCacheMap& operator=(const ServiceWorkerScriptCacheMap&) =
delete;
int64_t LookupResourceId(const GURL& url);
std::optional<std::string> LookupSha256Checksum(const GURL& url);
// Used during the initial run of a new version to build the map
// of resources ids.
void NotifyStartedCaching(const GURL& url, int64_t resource_id);
void NotifyFinishedCaching(const GURL& url,
int64_t size_bytes,
const std::string& sha256_checksum,
net::Error net_error,
const std::string& status_message);
// Used to retrieve the results of the initial run of a new version.
std::vector<storage::mojom::ServiceWorkerResourceRecordPtr> GetResources()
const;
// Used when loading an existing version.
void SetResources(
const std::vector<storage::mojom::ServiceWorkerResourceRecordPtr>&
resources);
// Updates sha256_checksum to the resource. sha256_checksum can be updated
// after the update check process.
void UpdateSha256Checksum(const GURL& url,
const std::string& sha256_checksum);
// Writes the metadata of the existing script.
void WriteMetadata(const GURL& url,
base::span<const uint8_t> data,
net::CompletionOnceCallback callback);
// Clears the metadata of the existing script.
void ClearMetadata(const GURL& url, net::CompletionOnceCallback callback);
size_t size() const { return resource_map_.size(); }
// net::Error code from trying to load the main script resource.
int main_script_net_error() const { return main_script_net_error_; }
const std::string& main_script_status_message() const {
return main_script_status_message_;
}
private:
typedef std::map<GURL, storage::mojom::ServiceWorkerResourceRecordPtr>
ResourceMap;
// The version objects owns its script cache and provides a rawptr to it.
friend class ServiceWorkerVersion;
friend class ServiceWorkerVersionBrowserTest;
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerReadFromCacheJobTest, ResourceNotFound);
FRIEND_TEST_ALL_PREFIXES(ServiceWorkerBrowserTest,
DispatchFetchEventToBrokenWorker);
ServiceWorkerScriptCacheMap(
ServiceWorkerVersion* owner,
base::WeakPtr<ServiceWorkerContextCore> context);
~ServiceWorkerScriptCacheMap();
void OnWriterDisconnected(uint64_t callback_id);
void OnMetadataWritten(
mojo::Remote<storage::mojom::ServiceWorkerResourceMetadataWriter>,
uint64_t callback_id,
int result);
void RunCallback(uint64_t callback_id, int result);
raw_ptr<ServiceWorkerVersion> owner_;
base::WeakPtr<ServiceWorkerContextCore> context_;
ResourceMap resource_map_;
int main_script_net_error_ = net::OK;
std::string main_script_status_message_;
uint64_t next_callback_id_ = 0;
base::flat_map</*callback_id=*/uint64_t, net::CompletionOnceCallback>
callbacks_;
base::WeakPtrFactory<ServiceWorkerScriptCacheMap> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
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