session_cookies.h

//                                                                             
//  Copyright (C) 2008-2012  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
//                                                                             
//  See accompanying file COPYING.TXT file for licensing details.
//
#ifndef CPPCMS_SESSION_COOKIES_H
#define CPPCMS_SESSION_COOKIES_H
#include <cppcms/session_api.h>
#include <booster/hold_ptr.h>
#include <booster/noncopyable.h>
#include <booster/auto_ptr_inc.h>
#include <string>
namespace cppcms {
class session_interface;

namespace sessions {

        class encryptor : public booster::noncopyable {
        public:
                virtual std::string encrypt(std::string const &plain) = 0;
                virtual bool decrypt(std::string const &cipher,std::string &plain) = 0;
                virtual ~encryptor() {}
        };

        class encryptor_factory {
        public:
                virtual std::auto_ptr<encryptor> get() = 0;

                virtual ~encryptor_factory() {}
        };

        class CPPCMS_API session_cookies : public session_api {
        public:
                session_cookies(std::auto_ptr<encryptor> encryptor);
                ~session_cookies();
                
                virtual void save(session_interface &,std::string const &data,time_t timeout,bool newone ,bool on_server);
                
                virtual bool load(session_interface &,std::string &data,time_t &timeout);
                
                virtual bool is_blocking();
                
                virtual void clear(session_interface &);
        private:
                struct _data;
                booster::hold_ptr<_data> d;
                std::auto_ptr<encryptor> encryptor_;
        };
} // sessions
} // cppcms

#endif