path: root/noncore/net/mail/libmailwrapper/smtpwrapper.cpp

#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <qdir.h>
#include <qt.h>
#include <qmessagebox.h>

#include <qpe/config.h>
#include <qpe/qcopenvelope_qws.h>

#include <libetpan/libetpan.h>

#include "smtpwrapper.h"
#include "mailwrapper.h"
#include "abstractmail.h"
#include "logindialog.h"
#include "mailtypes.h"
#include "sendmailprogress.h"

const char* SMTPwrapper::USER_AGENT="OpieMail v0.4";

progressMailSend*SMTPwrapper::sendProgress = 0;

SMTPwrapper::SMTPwrapper(SMTPaccount * aSmtp )
    : QObject()
{
    m_SmtpAccount = aSmtp;
    Config cfg( "mail" );
    cfg.setGroup( "Status" );
    m_queuedMail =  cfg.readNumEntry( "outgoing", 0 );
    emit queuedMails( m_queuedMail );
    connect( this, SIGNAL( queuedMails(int) ), this, SLOT( emitQCop(int) )  );
    m_smtp = 0;
}

SMTPwrapper::~SMTPwrapper()
{
    disc_server();
}

void SMTPwrapper::emitQCop( int queued ) {
    QCopEnvelope env( "QPE/Pim", "outgoingMails(int)" );
    env << queued;
}

QString SMTPwrapper::mailsmtpError( int errnum ) {
    switch ( errnum ) {
    case MAILSMTP_NO_ERROR:
        return tr( "No error" );
    case MAILSMTP_ERROR_UNEXPECTED_CODE:
        return tr( "Unexpected error code" );
    case MAILSMTP_ERROR_SERVICE_NOT_AVAILABLE:
        return tr( "Service not available" );
    case MAILSMTP_ERROR_STREAM:
        return tr( "Stream error" );
    case MAILSMTP_ERROR_HOSTNAME:
        return tr( "gethostname() failed" );
    case MAILSMTP_ERROR_NOT_IMPLEMENTED:
        return tr( "Not implemented" );
    case MAILSMTP_ERROR_ACTION_NOT_TAKEN:
        return tr( "Error, action not taken" );
    case MAILSMTP_ERROR_EXCEED_STORAGE_ALLOCATION:
        return tr( "Data exceeds storage allocation" );
    case MAILSMTP_ERROR_IN_PROCESSING:
        return tr( "Error in processing" );
    case MAILSMTP_ERROR_STARTTLS_NOT_SUPPORTED:
        return tr( "Starttls not supported" );
        //      case MAILSMTP_ERROR_INSUFFISANT_SYSTEM_STORAGE:
        //        return tr( "Insufficient system storage" );
    case MAILSMTP_ERROR_MAILBOX_UNAVAILABLE:
        return tr( "Mailbox unavailable" );
    case MAILSMTP_ERROR_MAILBOX_NAME_NOT_ALLOWED:
        return tr( "Mailbox name not allowed" );
    case MAILSMTP_ERROR_BAD_SEQUENCE_OF_COMMAND:
        return tr( "Bad command sequence" );
    case MAILSMTP_ERROR_USER_NOT_LOCAL:
        return tr( "User not local" );
    case MAILSMTP_ERROR_TRANSACTION_FAILED:
        return tr( "Transaction failed" );
    case MAILSMTP_ERROR_MEMORY:
        return tr( "Memory error" );
    case MAILSMTP_ERROR_CONNECTION_REFUSED:
        return tr( "Connection refused" );
    default:
        return tr( "Unknown error code" );
    }
}

mailimf_mailbox *SMTPwrapper::newMailbox(const QString&name, const QString&mail ) {
    return mailimf_mailbox_new( strdup( name.latin1() ),
                                strdup( mail.latin1() ) );
}

mailimf_address_list *SMTPwrapper::parseAddresses(const QString&addr ) {
    mailimf_address_list *addresses;

    if ( addr.isEmpty() )
        return NULL;

    addresses = mailimf_address_list_new_empty();

    bool literal_open = false;
    unsigned int startpos = 0;
    QStringList list;
    QString s;
    unsigned int i = 0;
    for (; i < addr.length();++i) {
        switch (addr[i]) {
        case '\"':
            literal_open = !literal_open;
            break;
        case ',':
            if (!literal_open) {
                s = addr.mid(startpos,i-startpos);
                if (!s.isEmpty()) {
                    list.append(s);
                    qDebug("Appended %s",s.latin1());
                }
                // !!!! this is a MUST BE!
                startpos = ++i;
            }
            break;
        default:
            break;
        }
    }
    s = addr.mid(startpos,i-startpos);
    if (!s.isEmpty()) {
        list.append(s);
        qDebug("Appended %s",s.latin1());
    }
    QStringList::Iterator it;
    for ( it = list.begin(); it != list.end(); it++ ) {
        int err = mailimf_address_list_add_parse( addresses, (char*)(*it).latin1() );
        if ( err != MAILIMF_NO_ERROR ) {
            qDebug( "Error parsing" );
            qDebug( *it );
        } else {
            qDebug( "Parse success! %s",(*it).latin1());
        }
    }
    return addresses;
}

mailimf_fields *SMTPwrapper::createImfFields(const Mail&mail ) {
    mailimf_fields *fields;
    mailimf_field *xmailer;
    mailimf_mailbox *sender=0,*fromBox=0;
    mailimf_mailbox_list *from=0;
    mailimf_address_list *to=0, *cc=0, *bcc=0, *reply=0;
    char *subject = strdup( mail.getSubject().latin1() );
    int err;

    sender = newMailbox( mail.getName(), mail.getMail() );
    if ( sender == NULL )
        goto err_free;

    fromBox = newMailbox( mail.getName(), mail.getMail() );
    if ( fromBox == NULL )
        goto err_free_sender;

    from = mailimf_mailbox_list_new_empty();
    if ( from == NULL )
        goto err_free_fromBox;

    err = mailimf_mailbox_list_add( from, fromBox );
    if ( err != MAILIMF_NO_ERROR )
        goto err_free_from;

    to = parseAddresses( mail.getTo() );
    if ( to == NULL )
        goto err_free_from;

    cc = parseAddresses( mail.getCC() );
    bcc = parseAddresses( mail.getBCC() );
    reply = parseAddresses( mail.getReply() );

    fields = mailimf_fields_new_with_data( from, sender, reply, to, cc, bcc,
                                           NULL, NULL, subject );
    if ( fields == NULL )
        goto err_free_reply;

    xmailer = mailimf_field_new_custom( strdup( "User-Agent" ),
                                        strdup( USER_AGENT ) );
    if ( xmailer == NULL )
        goto err_free_fields;

    err = mailimf_fields_add( fields, xmailer );
    if ( err != MAILIMF_NO_ERROR )
        goto err_free_xmailer;

    return fields;      // Success :)

err_free_xmailer:
    if (xmailer)
        mailimf_field_free( xmailer );
err_free_fields:
    if (fields)
        mailimf_fields_free( fields );
err_free_reply:
    if (reply)
        mailimf_address_list_free( reply );
    if (bcc)
        mailimf_address_list_free( bcc );
    if (cc)
        mailimf_address_list_free( cc );
    if (to)
        mailimf_address_list_free( to );
err_free_from:
    if (from)
        mailimf_mailbox_list_free( from );
err_free_fromBox:
    mailimf_mailbox_free( fromBox );
err_free_sender:
    if (sender)
        mailimf_mailbox_free( sender );
err_free:
    if (subject)
        free( subject );
    qDebug( "createImfFields - error" );

    return NULL;        // Error :(
}

mailmime *SMTPwrapper::buildTxtPart(const QString&str ) {
    mailmime *txtPart;
    mailmime_fields *fields;
    mailmime_content *content;
    mailmime_parameter *param;
    int err;

    param = mailmime_parameter_new( strdup( "charset" ),
                                    strdup( "iso-8859-1" ) );
    if ( param == NULL )
        goto err_free;

    content = mailmime_content_new_with_str( "text/plain" );
    if ( content == NULL )
        goto err_free_param;

    err = clist_append( content->ct_parameters, param );
    if ( err != MAILIMF_NO_ERROR )
        goto err_free_content;

    fields = mailmime_fields_new_encoding(MAILMIME_MECHANISM_8BIT);
    if ( fields == NULL )
        goto err_free_content;

    txtPart = mailmime_new_empty( content, fields );
    if ( txtPart == NULL )
        goto err_free_fields;

    err = mailmime_set_body_text( txtPart, (char*)str.data(), str.length() );
    if ( err != MAILIMF_NO_ERROR )
        goto err_free_txtPart;

    return txtPart;     // Success :)

err_free_txtPart:
    mailmime_free( txtPart );
err_free_fields:
    mailmime_fields_free( fields );
err_free_content:
    mailmime_content_free( content );
err_free_param:
    mailmime_parameter_free( param );
err_free:
    qDebug( "buildTxtPart - error" );

    return NULL;        // Error :(
}

mailmime *SMTPwrapper::buildFilePart(const QString&filename,const QString&mimetype,const QString&TextContent ) {
    mailmime * filePart = 0;
    mailmime_fields * fields = 0;
    mailmime_content * content = 0;
    mailmime_parameter * param = 0;
    char*name = 0;
    char*file = 0;
    int err;

    int pos = filename.findRev( '/' );

    if (filename.length()>0) {
        QString tmp = filename.right( filename.length() - ( pos + 1 ) );
        name = strdup( tmp.latin1() );        // just filename
        file = strdup( filename.latin1() );   // full name with path
    }

    int disptype = MAILMIME_DISPOSITION_TYPE_ATTACHMENT;
    int mechanism = MAILMIME_MECHANISM_BASE64;

    if ( mimetype.startsWith( "text/" ) ) {
        param = mailmime_parameter_new( strdup( "charset" ),
                                        strdup( "iso-8859-1" ) );
        mechanism = MAILMIME_MECHANISM_QUOTED_PRINTABLE;
    }

    fields = mailmime_fields_new_filename(
                 disptype, name,
                 mechanism );
    content = mailmime_content_new_with_str( (char*)mimetype.latin1() );
    if (content!=0 && fields != 0) {
        if (param) {
            clist_append(content->ct_parameters,param);
            param = 0;
        }
        if (filename.length()>0) {
            QFileInfo f(filename);
            param = mailmime_parameter_new(strdup("name"),strdup(f.fileName().latin1()));
            clist_append(content->ct_parameters,param);
            param = 0;
        }
        filePart = mailmime_new_empty( content, fields );
    }
    if (filePart) {
        if (filename.length()>0) {
            err = mailmime_set_body_file( filePart, file );
        } else {
            err = mailmime_set_body_text(filePart,strdup(TextContent.data()),TextContent.length());
        }
        if (err != MAILIMF_NO_ERROR) {
            qDebug("Error setting body with file %s",file);
            mailmime_free( filePart );
            filePart = 0;
        }
    }

    if (!filePart) {
        if ( param != NULL ) {
            mailmime_parameter_free( param );
        }
        if (content) {
            mailmime_content_free( content );
        }
        if (fields) {
            mailmime_fields_free( fields );
        } else {
            if (name) {
                free( name );
            }
            if (file) {
                free( file );
            }
        }
    }
    return filePart;        // Success :)

}

void SMTPwrapper::addFileParts( mailmime *message,const QList<Attachment>&files ) {
    const Attachment *it;
    unsigned int count = files.count();
    qDebug("List contains %i values",count);
    for ( unsigned int i = 0; i < count; ++i ) {
        qDebug( "Adding file" );
        mailmime *filePart;
        int err;
        it = ((QList<Attachment>)files).at(i);

        filePart = buildFilePart( it->getFileName(), it->getMimeType(),"" );
        if ( filePart == NULL ) {
            qDebug( "addFileParts: error adding file:" );
            qDebug( it->getFileName() );
            continue;
        }
        err = mailmime_smart_add_part( message, filePart );
        if ( err != MAILIMF_NO_ERROR ) {
            mailmime_free( filePart );
            qDebug("error smart add");
        }
    }
}

mailmime *SMTPwrapper::createMimeMail(const Mail &mail ) {
    mailmime *message, *txtPart;
    mailimf_fields *fields;
    int err;

    fields = createImfFields( mail );
    if ( fields == NULL )
        goto err_free;

    message = mailmime_new_message_data( NULL );
    if ( message == NULL )
        goto err_free_fields;

    mailmime_set_imf_fields( message, fields );

    txtPart = buildTxtPart( mail.getMessage() );

    if ( txtPart == NULL )
        goto err_free_message;

    err = mailmime_smart_add_part( message, txtPart );
    if ( err != MAILIMF_NO_ERROR )
        goto err_free_txtPart;

    addFileParts( message, mail.getAttachments() );

    return message;         // Success :)

err_free_txtPart:
    mailmime_free( txtPart );
err_free_message:
    mailmime_free( message );
err_free_fields:
    mailimf_fields_free( fields );
err_free:
    qDebug( "createMimeMail: error" );

    return NULL;            // Error :(
}

mailimf_field *SMTPwrapper::getField( mailimf_fields *fields, int type ) {
    mailimf_field *field;
    clistiter *it;

    it = clist_begin( fields->fld_list );
    while ( it ) {
        field = (mailimf_field *) it->data;
        if ( field->fld_type == type ) {
            return field;
        }
        it = it->next;
    }

    return NULL;
}

void SMTPwrapper::addRcpts( clist *list, mailimf_address_list *addr_list ) {
    clistiter *it, *it2;

    for ( it = clist_begin( addr_list->ad_list ); it; it = it->next ) {
        mailimf_address *addr;
        addr = (mailimf_address *) it->data;

        if ( addr->ad_type == MAILIMF_ADDRESS_MAILBOX ) {
            esmtp_address_list_add( list, addr->ad_data.ad_mailbox->mb_addr_spec, 0, NULL );
        } else if ( addr->ad_type == MAILIMF_ADDRESS_GROUP ) {
            clist *l = addr->ad_data.ad_group->grp_mb_list->mb_list;
            for ( it2 = clist_begin( l ); it2; it2 = it2->next ) {
                mailimf_mailbox *mbox;
                mbox = (mailimf_mailbox *) it2->data;
                esmtp_address_list_add( list, mbox->mb_addr_spec, 0, NULL );
            }
        }
    }
}

clist *SMTPwrapper::createRcptList( mailimf_fields *fields ) {
    clist *rcptList;
    mailimf_field *field;

    rcptList = esmtp_address_list_new();

    field = getField( fields, MAILIMF_FIELD_TO );
    if ( field && (field->fld_type == MAILIMF_FIELD_TO)
            && field->fld_data.fld_to->to_addr_list ) {
        addRcpts( rcptList, field->fld_data.fld_to->to_addr_list );
    }

    field = getField( fields, MAILIMF_FIELD_CC );
    if ( field && (field->fld_type == MAILIMF_FIELD_CC)
            && field->fld_data.fld_cc->cc_addr_list ) {
        addRcpts( rcptList, field->fld_data.fld_cc->cc_addr_list );
    }

    field = getField( fields, MAILIMF_FIELD_BCC );
    if ( field && (field->fld_type == MAILIMF_FIELD_BCC)
            && field->fld_data.fld_bcc->bcc_addr_list ) {
        addRcpts( rcptList, field->fld_data.fld_bcc->bcc_addr_list );
    }

    return rcptList;
}

char *SMTPwrapper::getFrom( mailimf_field *ffrom) {
    char *from = NULL;
    if ( ffrom && (ffrom->fld_type == MAILIMF_FIELD_FROM)
            && ffrom->fld_data.fld_from->frm_mb_list && ffrom->fld_data.fld_from->frm_mb_list->mb_list ) {
        clist *cl = ffrom->fld_data.fld_from->frm_mb_list->mb_list;
        clistiter *it;
        for ( it = clist_begin( cl ); it; it = it->next ) {
            mailimf_mailbox *mb = (mailimf_mailbox *) it->data;
            from = strdup( mb->mb_addr_spec );
        }
    }

    return from;
}

char *SMTPwrapper::getFrom( mailmime *mail ) {
    /* no need to delete - its just a pointer to structure content */
    mailimf_field *ffrom = 0;
    ffrom = getField( mail->mm_data.mm_message.mm_fields, MAILIMF_FIELD_FROM );
    return getFrom(ffrom);
}

void SMTPwrapper::progress( size_t current, size_t maximum ) {
    if (SMTPwrapper::sendProgress) {
        SMTPwrapper::sendProgress->setSingleMail(current, maximum );
        qApp->processEvents();
    }
}

void SMTPwrapper::storeMail(const char*mail, size_t length, const QString&box) {
    if (!mail)
        return;
    QString localfolders = AbstractMail::defaultLocalfolder();
    AbstractMail*wrap = AbstractMail::getWrapper(localfolders);
    wrap->createMbox(box);
    wrap->storeMessage(mail,length,box);
    delete wrap;
}

void SMTPwrapper::smtpSend( mailmime *mail,bool later) {
    clist *rcpts = 0;
    char *from, *data;
    size_t size;

    from = data = 0;

    mailmessage * msg = 0;
    msg = mime_message_init(mail);
    mime_message_set_tmpdir(msg,getenv( "HOME" ));
    int r = mailmessage_fetch(msg,&data,&size);
    mime_message_detach_mime(msg);
    mailmessage_free(msg);
    if (r != MAIL_NO_ERROR || !data) {
        if (data)
            free(data);
        qDebug("Error fetching mime...");
        return;
    }
    msg = 0;
    if (later) {
        storeMail(data,size,"Outgoing");
        if (data)
            free( data );
        Config cfg( "mail" );
        cfg.setGroup( "Status" );
        cfg.writeEntry( "outgoing", ++m_queuedMail );
        emit queuedMails( m_queuedMail );
        return;
    }
    from = getFrom( mail );
    rcpts = createRcptList( mail->mm_data.mm_message.mm_fields );
    smtpSend(from,rcpts,data,size);
    if (data) {
        free(data);
    }
    if (from) {
        free(from);
    }
    if (rcpts)
        smtp_address_list_free( rcpts );
}

void SMTPwrapper::storeFailedMail(const char*data,unsigned int size, const char*failuremessage)
{
    if (data) {
        storeMail(data,size,"Sendfailed");
    }
    if (failuremessage) {
        QMessageBox::critical(0,tr("Error sending mail"),
            tr("<center>%1</center>").arg(failuremessage));
    }
}

int SMTPwrapper::start_smtp_tls()
{
    if (!m_smtp) {
        return MAILSMTP_ERROR_IN_PROCESSING;
    }
    int err = mailesmtp_starttls(m_smtp);
    if (err != MAILSMTP_NO_ERROR) return err;
    mailstream_low * low;
    mailstream_low * new_low;
    low = mailstream_get_low(m_smtp->stream);
    if (!low) {
        return MAILSMTP_ERROR_IN_PROCESSING;
    }
    int fd = mailstream_low_get_fd(low);
    if (fd > -1 && (new_low = mailstream_low_ssl_open(fd))!=0) {
        mailstream_low_free(low);
        mailstream_set_low(m_smtp->stream, new_low);
    } else {
        return MAILSMTP_ERROR_IN_PROCESSING;
    }
    return err;
}

void SMTPwrapper::connect_server()
{
    const char *server, *user, *pass;
    bool ssl;
    uint16_t port;
    ssl = false;
    bool try_tls = true;
    bool force_tls=false;
    server = user = pass = 0;
    QString failuretext = "";
    
    if (m_smtp || !m_SmtpAccount) {
        return;
    }
    server = m_SmtpAccount->getServer().latin1();
    if  ( m_SmtpAccount->ConnectionType() == 2 ) {
        ssl = true;
        try_tls = false;
    } else if (m_SmtpAccount->ConnectionType() == 1) {
        force_tls = true;
    }
    int result = 1;
    port = m_SmtpAccount->getPort().toUInt();

    m_smtp = mailsmtp_new( 20, &progress );
    if ( m_smtp == NULL ) {
        /* no failure message cause this happens when problems with memory - than we
           we can not display any messagebox */
        return;
    }

    int err = MAILSMTP_NO_ERROR;
    qDebug( "Servername %s at port %i", server, port );
    if ( ssl ) {
        qDebug( "SSL session" );
        err = mailsmtp_ssl_connect( m_smtp, server, port );
    } else {
        qDebug( "No SSL session" );
        err = mailsmtp_socket_connect( m_smtp, server, port );
    }
    if ( err != MAILSMTP_NO_ERROR ) {
        qDebug("Error init connection");
        failuretext = tr("Error init SMTP connection: %1").arg(mailsmtpError(err));
        result = 0;
    }

    /* switch to tls after init 'cause there it will send the ehlo */
    if (result) {
        err = mailsmtp_init( m_smtp );
        if (err != MAILSMTP_NO_ERROR) {
            result = 0;
            failuretext = tr("Error init SMTP connection: %1").arg(mailsmtpError(err));
        }
    }

    if (try_tls) {
        err = start_smtp_tls();
        if (err != MAILSMTP_NO_ERROR) {
            try_tls = false;
        } else {
            err = mailesmtp_ehlo(m_smtp);
        }
    }

    if (!try_tls && force_tls) {
        result = 0;
        failuretext = tr("Error init SMTP tls: %1").arg(mailsmtpError(err));
    }

    if (result==1 && m_SmtpAccount->getLogin() ) {
        qDebug("smtp with auth");
        if ( m_SmtpAccount->getUser().isEmpty() || m_SmtpAccount->getPassword().isEmpty() ) {
            // get'em
            LoginDialog login( m_SmtpAccount->getUser(), 
                m_SmtpAccount->getPassword(), NULL, 0, true );
            login.show();
            if ( QDialog::Accepted == login.exec() ) {
                // ok
                user = login.getUser().latin1();
                pass = login.getPassword().latin1();
            } else {
                result = 0;
                failuretext=tr("Login aborted - storing mail to localfolder");
            }
        } else {
            user = m_SmtpAccount->getUser().latin1();
            pass = m_SmtpAccount->getPassword().latin1();
        }
        qDebug( "session->auth: %i", m_smtp->auth);
        if (result) {
            err = mailsmtp_auth( m_smtp, (char*)user, (char*)pass );
            if ( err == MAILSMTP_NO_ERROR ) {
                qDebug("auth ok");
            } else {
                failuretext = tr("Authentification failed");
                result = 0;
            }
        }
    }
}

void SMTPwrapper::disc_server()
{
    if (m_smtp) {
        mailsmtp_quit( m_smtp );
        mailsmtp_free( m_smtp );
        m_smtp = 0;
    }
}

int SMTPwrapper::smtpSend(char*from,clist*rcpts,const char*data,size_t size )
{
    int err,result;
    QString failuretext = "";

    connect_server();

    result = 1;
    if (m_smtp) {
        err = mailsmtp_send( m_smtp, from, rcpts, data, size );
        if ( err != MAILSMTP_NO_ERROR ) {
            failuretext=tr("Error sending mail: %1").arg(mailsmtpError(err));
            result = 0;
        }
    } else {
        result = 0;
    }

    if (!result) {
        storeFailedMail(data,size,failuretext);
    } else {
        qDebug( "Mail sent." );
        storeMail(data,size,"Sent");
    }
    return result;
}

void SMTPwrapper::sendMail(const Mail&mail,bool later )
{
    mailmime * mimeMail;

    mimeMail = createMimeMail(mail );
    if ( mimeMail == NULL ) {
        qDebug( "sendMail: error creating mime mail" );
    } else {
        sendProgress = new progressMailSend();
        sendProgress->show();
        sendProgress->setMaxMails(1);
        smtpSend( mimeMail,later);
        qDebug("Clean up done");
        sendProgress->hide();
        delete sendProgress;
        sendProgress = 0;
        mailmime_free( mimeMail );
    }
}

int SMTPwrapper::sendQueuedMail(AbstractMail*wrap,RecMail*which) {
    size_t curTok = 0;
    mailimf_fields *fields = 0;
    mailimf_field*ffrom = 0;
    clist *rcpts = 0;
    char*from = 0;
    int res = 0;

    encodedString * data = wrap->fetchRawBody(*which);
    if (!data)
        return 0;
    int err = mailimf_fields_parse( data->Content(), data->Length(), &curTok, &fields );
    if (err != MAILIMF_NO_ERROR) {
        delete data;
        delete wrap;
        return 0;
    }

    rcpts = createRcptList( fields );
    ffrom = getField(fields, MAILIMF_FIELD_FROM );
    from = getFrom(ffrom);

    if (rcpts && from) {
        res = smtpSend(from,rcpts,data->Content(),data->Length());
    }
    if (fields) {
        mailimf_fields_free(fields);
        fields = 0;
    }
    if (data) {
        delete data;
    }
    if (from) {
        free(from);
    }
    if (rcpts) {
        smtp_address_list_free( rcpts );
    }
    return res;
}

/* this is a special fun */
bool SMTPwrapper::flushOutbox() {
    bool returnValue = true;

    qDebug("Sending the queue");
    if (!m_SmtpAccount) {
        qDebug("No smtp account given");
        return false;
    }

    bool reset_user_value = false;
    QString localfolders = AbstractMail::defaultLocalfolder();
    AbstractMail*wrap = AbstractMail::getWrapper(localfolders);
    if (!wrap) {
        qDebug("memory error");
        return false;
    }
    QString oldPw, oldUser;
    QList<RecMail> mailsToSend;
    QList<RecMail> mailsToRemove;
    QString mbox("Outgoing");
    wrap->listMessages(mbox,mailsToSend);
    if (mailsToSend.count()==0) {
        delete wrap;
        qDebug("No mails to send");
        return false;
    }

    oldPw = m_SmtpAccount->getPassword();
    oldUser = m_SmtpAccount->getUser();
    if (m_SmtpAccount->getLogin() && (m_SmtpAccount->getUser().isEmpty() || m_SmtpAccount->getPassword().isEmpty()) ) {
        // get'em
        QString user,pass;
        LoginDialog login( m_SmtpAccount->getUser(), m_SmtpAccount->getPassword(), NULL, 0, true );
        login.show();
        if ( QDialog::Accepted == login.exec() ) {
            // ok
            user = login.getUser().latin1();
            pass = login.getPassword().latin1();
            reset_user_value = true;
            m_SmtpAccount->setUser(user);
            m_SmtpAccount->setPassword(pass);
        } else {
            return true;
        }
    }


    mailsToSend.setAutoDelete(false);
    sendProgress = new progressMailSend();
    sendProgress->show();
    sendProgress->setMaxMails(mailsToSend.count());

    while (mailsToSend.count()>0) {
        if (sendQueuedMail(wrap,mailsToSend.at(0))==0) {
            QMessageBox::critical(0,tr("Error sending mail"),
                                  tr("Error sending queued mail - breaking"));
            returnValue = false;
            break;
        }
        mailsToRemove.append(mailsToSend.at(0));
        mailsToSend.removeFirst();
        sendProgress->setCurrentMails(mailsToRemove.count());
    }
    if (reset_user_value) {
        m_SmtpAccount->setUser(oldUser);
        m_SmtpAccount->setPassword(oldPw);
    }
    Config cfg( "mail" );
    cfg.setGroup( "Status" );
    m_queuedMail = 0;
    cfg.writeEntry( "outgoing", m_queuedMail );
    emit queuedMails( m_queuedMail );
    sendProgress->hide();
    delete sendProgress;
    sendProgress = 0;
    wrap->deleteMails(mbox,mailsToRemove);
    mailsToSend.setAutoDelete(true);
    delete wrap;
    return returnValue;
}