monero/src/wallet/password_container.h

// Copyright (c) 2014-2016, The Monero Project
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers

#pragma once

#include <string>
#include <boost/program_options/variables_map.hpp>

namespace tools
{
  class password_container
  {
  public:
    static const size_t max_password_size = 1024;
    password_container(bool verify);
    password_container(password_container&& rhs);
    password_container(std::string&& password);
    ~password_container();

    void clear();
    bool empty() const { return m_empty; }
    const std::string& password() const { return m_password; }
    void password(std::string&& val) { m_password = std::move(val); m_empty = false; }
    bool read_password(const char *message = "password");

  private:
    //delete constructor with no parameters
    password_container();
    bool read_from_file();
    bool read_from_tty(std::string & pass);
    bool read_from_tty_double_check(const char *message);

    bool m_empty;
    std::string m_password;
    bool m_verify;
  };
}