//
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// ssl/detail/password_callback.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
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#define BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#include <cstddef>
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#include <string>
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#include <boost/asio/ssl/context_base.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace ssl {
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namespace detail {
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class password_callback_base
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{
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public:
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virtual ~password_callback_base()
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{
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}
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virtual std::string call(std::size_t size,
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context_base::password_purpose purpose) = 0;
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};
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template <typename PasswordCallback>
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class password_callback : public password_callback_base
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{
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public:
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explicit password_callback(PasswordCallback callback)
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: callback_(callback)
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{
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}
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virtual std::string call(std::size_t size,
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context_base::password_purpose purpose)
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{
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return callback_(size, purpose);
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}
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private:
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PasswordCallback callback_;
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};
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} // namespace detail
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} // namespace ssl
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
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