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// Copyright (c) 2010 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 CHROME_BROWSER_CHROMEOS_CROS_CRYPTOHOME_LIBRARY_H_
#define CHROME_BROWSER_CHROMEOS_CROS_CRYPTOHOME_LIBRARY_H_
#pragma once
#include <string>
#include "base/singleton.h"
#include "cros/chromeos_cryptohome.h"
namespace chromeos {
// This interface defines the interaction with the ChromeOS cryptohome library
// APIs.
class CryptohomeLibrary {
public:
virtual ~CryptohomeLibrary() {}
// Asks cryptohomed to try to find the cryptohome for |user_email| and then
// mount it using |passhash| to unlock the key.
virtual bool Mount(const std::string& user_email,
const std::string& passhash,
int* error_code) = 0;
// Asks cryptohomed to mount a tmpfs for BWSI mode.
virtual bool MountForBwsi(int* error_code) = 0;
// Asks cryptohomed to try to find the cryptohome for |user_email| and then
// use |passhash| to unlock the key.
virtual bool CheckKey(const std::string& user_email,
const std::string& passhash) = 0;
// Asks cryptohomed to try to find the cryptohome for |user_email| and then
// change from using |old_hash| to lock the key to using |new_hash|.
virtual bool MigrateKey(const std::string& user_email,
const std::string& old_hash,
const std::string& new_hash) = 0;
// Asks cryptohomed to try to find the cryptohome for |user_email| and then
// nuke it.
virtual bool Remove(const std::string& user_email) = 0;
// Asks cryptohomed if a drive is currently mounted.
virtual bool IsMounted() = 0;
// Asks cryptohomed for the system salt.
virtual CryptohomeBlob GetSystemSalt() = 0;
};
// This class handles the interaction with the ChromeOS cryptohome library APIs.
class CryptohomeLibraryImpl : public CryptohomeLibrary {
public:
CryptohomeLibraryImpl() {}
virtual ~CryptohomeLibraryImpl() {}
// CryptohomeLibrary overrides.
virtual bool Mount(const std::string& user_email,
const std::string& passhash,
int* error_code);
virtual bool MountForBwsi(int* error_code);
virtual bool CheckKey(const std::string& user_email,
const std::string& passhash);
virtual bool MigrateKey(const std::string& user_email,
const std::string& old_hash,
const std::string& new_hash);
virtual bool Remove(const std::string& user_email);
virtual bool IsMounted();
virtual CryptohomeBlob GetSystemSalt();
private:
DISALLOW_COPY_AND_ASSIGN(CryptohomeLibraryImpl);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_CROS_CRYPTOHOME_LIBRARY_H_
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