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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef STORAGE_BROWSER_FILEAPI_SANDBOX_PRIORITIZED_ORIGIN_DATABASE_H_
#define STORAGE_BROWSER_FILEAPI_SANDBOX_PRIORITIZED_ORIGIN_DATABASE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "storage/browser/fileapi/sandbox_origin_database_interface.h"
namespace leveldb {
class Env;
}
namespace storage {
class ObfuscatedFileUtil;
class SandboxIsolatedOriginDatabase;
class SandboxOriginDatabase;
class STORAGE_EXPORT SandboxPrioritizedOriginDatabase
: public SandboxOriginDatabaseInterface {
public:
static const base::FilePath::CharType* const kPrimaryDirectory;
static const base::FilePath::CharType* const kPrimaryOriginFile;
SandboxPrioritizedOriginDatabase(const base::FilePath& file_system_directory,
leveldb::Env* env_override);
~SandboxPrioritizedOriginDatabase() override;
// Sets |origin| as primary origin in this database (e.g. may
// allow faster access).
// Returns false if this database already has a primary origin
// which is different from |origin|.
bool InitializePrimaryOrigin(const std::string& origin);
std::string GetPrimaryOrigin();
// SandboxOriginDatabaseInterface overrides.
bool HasOriginPath(const std::string& origin) override;
bool GetPathForOrigin(const std::string& origin,
base::FilePath* directory) override;
bool RemovePathForOrigin(const std::string& origin) override;
bool ListAllOrigins(std::vector<OriginRecord>* origins) override;
void DropDatabase() override;
const base::FilePath& primary_origin_file() const {
return primary_origin_file_;
}
private:
bool MaybeLoadPrimaryOrigin();
bool ResetPrimaryOrigin(const std::string& origin);
void MaybeMigrateDatabase(const std::string& origin);
void MaybeInitializeDatabases(bool create);
void MaybeInitializeNonPrimaryDatabase(bool create);
// For migration.
friend class ObfuscatedFileUtil;
SandboxOriginDatabase* GetSandboxOriginDatabase();
const base::FilePath file_system_directory_;
leveldb::Env* env_override_;
const base::FilePath primary_origin_file_;
std::unique_ptr<SandboxOriginDatabase> origin_database_;
std::unique_ptr<SandboxIsolatedOriginDatabase> primary_origin_database_;
DISALLOW_COPY_AND_ASSIGN(SandboxPrioritizedOriginDatabase);
};
} // namespace storage
#endif // STORAGE_BROWSER_FILEAPI_SANDBOX_PRIORITIZED_ORIGIN_DATABASE_H_