gnewfile.h

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//
// Copyright (C) 2001-2013 Graeme Walker <graeme_walker@users.sourceforge.net>
// 
// This program 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.
// 
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
// ===

#ifndef G_SMTP_NEW_FILE_H
#define G_SMTP_NEW_FILE_H

#include "gdef.h"
#include "gsmtp.h"
#include "gfilestore.h"
#include "gstrings.h"
#include "gnewmessage.h"
#include "gexception.h"
#include <iostream>

namespace GSmtp
{
        class NewFile ;
}

class GSmtp::NewFile : public GSmtp::NewMessage 
{
public:
        G_EXCEPTION( InvalidPath , "invalid path -- must be absolute" ) ;

        NewFile( const std::string & from , FileStore & store , unsigned long max_size = 0UL ) ;

        virtual ~NewFile() ;

        virtual void addTo( const std::string & to , bool local ) ;

        virtual bool addText( const std::string & line ) ;

        virtual std::string prepare( const std::string & auth_id , const std::string & peer_socket_address ,
                const std::string & peer_socket_name , const std::string & peer_certificate ) ;

        virtual void commit() ;

        virtual unsigned long id() const ;

        G::Path contentPath() const ;

private:
        FileStore & m_store ;
        unsigned long m_seq ;
        std::string m_from ;
        G::Strings m_to_local ;
        G::Strings m_to_remote ;
        std::auto_ptr<std::ostream> m_content ;
        G::Path m_content_path ;
        G::Path m_envelope_path_0 ;
        G::Path m_envelope_path_1 ;
        bool m_committed ;
        bool m_eight_bit ;
        bool m_saved ;
        unsigned long m_size ;
        unsigned long m_max_size ;

private:
        void cleanup() ;
        void flushContent() ;
        void discardContent() ;
        bool commitEnvelope() ;
        void deleteContent() ;
        void deleteEnvelope() ;
        static bool isEightBit( const std::string & line ) ;
        const std::string & crlf() const ;
        bool saveEnvelope( const std::string & auth_id , const std::string & peer_socket_address ,
                const std::string & peer_socket_name , const std::string & peer_certificate ) const ;
        void writeEnvelope( std::ostream & , const std::string & where , 
                const std::string & auth_id , const std::string & peer_socket_address ,
                const std::string & peer_socket_name , const std::string & peer_certificate ) const ;
        void deliver( const G::Strings & , const G::Path & , const G::Path & , const G::Path & ) ;
} ;

#endif