SSLContext.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library is distributed in the hope that it will be useful, but        │
│   WITHOUT ANY WARRANTY; without even the implied warranty of                 │
│   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <sptk5/sptk.h>
 
#include <memory>
#include <mutex>
#include <openssl/ssl.h>
#include <sptk5/String.h>
#include <sptk5/net/SSLKeys.h>
#include <sptk5/threads/Locks.h>
 
namespace sptk {
 
class SSLContext : public SharedMutex
{
    std::shared_ptr<SSL_CTX> m_ctx; 
    String m_password;              
    static int s_server_session_id_context;
 
    static int passwordReplyCallback(char* replyBuffer, int replySize, int rwflag, void* userdata);
 
    [[noreturn]] static void throwError(const String& humanDescription);
 
public:
    explicit SSLContext(const String& cipherList);
 
    void loadKeys(const SSLKeys& keys);
 
    SSL_CTX* handle();
};
 
using SharedSSLContext = std::shared_ptr<SSLContext>;
 
} // namespace sptk