chromium/components/permissions/permission_auditing_database.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/permissions/permission_auditing_database.h"

#include <algorithm>
#include <iostream>
#include <limits>
#include <memory>
#include <optional>
#include <string>
#include <vector>

#include "base/check.h"
#include "base/files/file_path.h"
#include "sql/database.h"
#include "sql/meta_table.h"
#include "sql/statement.h"
#include "sql/transaction.h"
#include "url/gurl.h"

namespace permissions {

namespace {

// For this database, schema migration is supported for at least 1 year.
// This means we can deprecate old versions that landed more than a year ago.
//
// Version 1: https://crrev.com/c/2435307 - 2020-11-04

// The current number of the database schema.
constexpr int kVersion = …;

// The lowest version of the database schema such that a legacy code can still
// read/write the current database.
constexpr int kCompatibleVersion = …;

}  // namespace

PermissionAuditingDatabase::PermissionAuditingDatabase() = default;

PermissionAuditingDatabase::~PermissionAuditingDatabase() = default;

bool PermissionAuditingDatabase::Init(const base::FilePath& path) { … }

bool PermissionAuditingDatabase::CreateSchema() { … }

bool PermissionAuditingDatabase::StorePermissionUsage(
    const PermissionUsageSession& session) { … }

std::vector<PermissionUsageSession>
PermissionAuditingDatabase::GetPermissionUsageHistory(ContentSettingsType type,
                                                      const url::Origin& origin,
                                                      base::Time start_time) { … }

std::optional<base::Time>
PermissionAuditingDatabase::GetLastPermissionUsageTime(
    ContentSettingsType type,
    const url::Origin& origin) { … }

bool PermissionAuditingDatabase::UpdateEndTime(ContentSettingsType type,
                                               const url::Origin& origin,
                                               base::Time start_time,
                                               base::Time new_end_time) { … }

bool PermissionAuditingDatabase::DeleteSessionsBetween(base::Time start_time,
                                                       base::Time end_time) { … }

}  // namespace permissions