ladybird/Userland/Libraries/LibCore/SecretString.h
2022-04-01 21:24:45 +01:00

38 lines
1 KiB
C++

/*
* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Noncopyable.h>
#include <AK/StringView.h>
namespace Core {
class SecretString {
AK_MAKE_NONCOPYABLE(SecretString);
public:
[[nodiscard]] static SecretString take_ownership(char*&, size_t);
[[nodiscard]] static SecretString take_ownership(ByteBuffer&&);
[[nodiscard]] bool is_empty() const { return m_secure_buffer.is_empty(); }
[[nodiscard]] size_t length() const { return m_secure_buffer.size(); }
[[nodiscard]] char const* characters() const { return reinterpret_cast<char const*>(m_secure_buffer.data()); }
[[nodiscard]] StringView view() const { return { characters(), length() }; }
SecretString() = default;
~SecretString();
SecretString(SecretString&&) = default;
SecretString& operator=(SecretString&&) = default;
private:
explicit SecretString(ByteBuffer&&);
ByteBuffer m_secure_buffer;
};
}