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content / browser / first_party_sets / first_party_sets_handler_database_helper.h [blame]
// Copyright 2022 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_FIRST_PARTY_SETS_FIRST_PARTY_SETS_HANDLER_DATABASE_HELPER_H_
#define CONTENT_BROWSER_FIRST_PARTY_SETS_FIRST_PARTY_SETS_HANDLER_DATABASE_HELPER_H_
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "base/containers/flat_set.h"
#include "base/files/file_path.h"
#include "base/sequence_checker.h"
#include "content/common/content_export.h"
namespace net {
class FirstPartySetsCacheFilter;
class FirstPartySetsContextConfig;
class GlobalFirstPartySets;
class SchemefulSite;
} // namespace net
namespace content {
class FirstPartySetsDatabase;
// A helper class for the access of the underlying First-Party Sets database.
// Owned by the FirstPartySetsHandlerImpl, and will be created on a different
// sequence that supports blocking, i.e. a database sequence, so that none of
// these methods should be called directly on the main thread.
class CONTENT_EXPORT FirstPartySetsHandlerDatabaseHelper {
public:
explicit FirstPartySetsHandlerDatabaseHelper(
const base::FilePath& user_data_directory);
FirstPartySetsHandlerDatabaseHelper(
const FirstPartySetsHandlerDatabaseHelper&) = delete;
FirstPartySetsHandlerDatabaseHelper& operator=(
const FirstPartySetsHandlerDatabaseHelper&) = delete;
FirstPartySetsHandlerDatabaseHelper(FirstPartySetsHandlerDatabaseHelper&&) =
delete;
FirstPartySetsHandlerDatabaseHelper& operator=(
FirstPartySetsHandlerDatabaseHelper&&) = delete;
~FirstPartySetsHandlerDatabaseHelper();
// Gets the difference between the previously used FPSs info with the current
// FPSs info by comparing the combined `old_sets` and `old_config` with the
// combined `current_sets` and `current_config`. Returns the set of sites
// that: 1) were in old FPSs but are no longer in current FPSs i.e. leave the
// FPSs; or, 2) mapped to a different primary site.
//
// This method assumes that the sites were normalized properly when the maps
// were created. Made public only for testing,
static base::flat_set<net::SchemefulSite> ComputeSetsDiff(
const net::GlobalFirstPartySets& old_sets,
const net::FirstPartySetsContextConfig& old_config,
const net::GlobalFirstPartySets& current_sets,
const net::FirstPartySetsContextConfig& current_config);
// Gets the list of sites to clear for the `browser_context_id`. This method
// wraps a few DB operations: reads the old global sets and policy
// customization from DB, call `ComputeSetsDiff` with required inputs to
// compute the list of sites to clear, stores the sites into DB, then reads
// the final list of sites to be cleared from DB, which can include sites
// stored during previous browser runs that did not have state cleared.
std::optional<std::pair<std::vector<net::SchemefulSite>,
net::FirstPartySetsCacheFilter>>
UpdateAndGetSitesToClearForContext(
const std::string& browser_context_id,
const net::GlobalFirstPartySets& current_sets,
const net::FirstPartySetsContextConfig& current_config);
// Wraps FirstPartySetsDatabase::InsertBrowserContextCleared.
// Update DB whether site data clearing has been performed for the
// `browser_context_id`.
void UpdateClearStatusForContext(const std::string& browser_context_id);
// Wraps FirstPartySetsDatabase::PersistSets.
void PersistSets(const std::string& browser_context_id,
const net::GlobalFirstPartySets& sets,
const net::FirstPartySetsContextConfig& config);
std::optional<
std::pair<net::GlobalFirstPartySets, net::FirstPartySetsContextConfig>>
GetGlobalSetsAndConfigForTesting(const std::string& browser_context_id);
// Wraps FirstPartySetsDatabase::HasEntryInBrowserContextClearedForTesting.
bool HasEntryInBrowserContextsClearedForTesting(
const std::string& browser_context_id);
private:
std::unique_ptr<FirstPartySetsDatabase> db_
GUARDED_BY_CONTEXT(sequence_checker_);
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace content
#endif // CONTENT_BROWSER_FIRST_PARTY_SETS_FIRST_PARTY_SETS_HANDLER_DATABASE_HELPER_H_