authentication.hpp

/*********************************************************************/
// webdar - a web server and interface program to libdar
// Copyright (C) 2013-2025 Denis Corbin
//
// This file is part of Webdar
//
//  Webdar is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Webdar 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Webdar.  If not, see <http://www.gnu.org/licenses/>
//
//----
//  to contact the author: dar.linux@free.fr
/*********************************************************************/
 
#ifndef AUTHENTICATION_HPP
#define AUTHENTICATION_HPP
 
    // C system header files
#include "my_config.h"
extern "C"
{
 
}
 
    // C++ system header files
#include <string>
 
    // webdar headers
 
 
class authentication
{
public:
    authentication() = default;
    authentication(const authentication & ref) = default;
    authentication(authentication && ref) noexcept = default;
    authentication & operator = (const authentication & ref) = default;
    authentication & operator = (authentication && ref) noexcept = default;
    virtual ~authentication() {};
 
    virtual bool valid_credentials(const std::string & username, const std::string & credential) const = 0;
};
 
 
class authentication_unix : public authentication
{
 
};
 
 
class authentication_cli : public authentication
{
public:
    authentication_cli(const std::string & username, const std::string & password) { user = username; pass = password; };
    authentication_cli(const authentication_cli & ref) = default;
    authentication_cli(authentication_cli && ref) noexcept = default;
    authentication_cli & operator = (const authentication_cli & ref) = default;
    authentication_cli & operator = (authentication_cli && ref) noexcept = default;
    ~authentication_cli() = default;
 
    virtual bool valid_credentials(const std::string & username, const std::string & credential) const override
    {
        // due to different charset and encoding between CLI and web interface we compare
        // strings downgrading then to C strings:
    return (strcmp(username.c_str(),user.c_str()) == 0) && strcmp(credential.c_str(), pass.c_str()) == 0;
    };      // no need of mutex for this class
 
private:
    std::string user;
    std::string pass;
 
};
 
 
#endif