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/****************************************************************************
**
** This file is a modified version of part of an example program for Qt.
** This file may be used, distributed and modified without limitation.
**
** Don Sanders <sanders@kde.org>
**
*****************************************************************************/
#include "smtp.h"
#include <qtextstream.h>
#include <qsocket.h>
#include <qtimer.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <klocale.h>
Smtp::Smtp( const QString &from, const QStringList &to,
const QString &aMessage,
const QString &server,
unsigned short int port )
{
skipReadResponse = false;
mSocket = new QSocket( this );
connect ( mSocket, SIGNAL( readyRead() ),
this, SLOT( readyRead() ) );
connect ( mSocket, SIGNAL( connected() ),
this, SLOT( connected() ) );
connect ( mSocket, SIGNAL( error(int) ),
this, SLOT( socketError(int) ) );
message = aMessage;
this->from = from;
rcpt = to;
state = smtpInit;
command = "";
emit status( i18n( "Connecting to %1" ).arg( server ) );
mSocket->connectToHost( server, port );
t = new QTextStream( mSocket );
t->setEncoding(QTextStream::Latin1);
}
Smtp::~Smtp()
{
if (t)
delete t;
if (mSocket)
delete mSocket;
}
void Smtp::send( const QString &from, const QStringList &to,
const QString &aMessage )
{
skipReadResponse = true;
message = aMessage;
this->from = from;
rcpt = to;
state = smtpMail;
command = "";
readyRead();
}
void Smtp::quit()
{
skipReadResponse = true;
state = smtpQuit;
command = "";
readyRead();
}
void Smtp::connected()
{
emit status( i18n( "Connected to %1" ).arg( mSocket->peerName() ) );
}
void Smtp::socketError(int errorCode)
{
command = "CONNECT";
switch ( errorCode ) {
case QSocket::ErrConnectionRefused:
responseLine = i18n( "Connection refused." );
break;
case QSocket::ErrHostNotFound:
responseLine = i18n( "Host Not Found." );
break;
case QSocket::ErrSocketRead:
responseLine = i18n( "Error reading socket." );
break;
default:
responseLine = i18n( "Internal error, unrecognized error." );
}
QTimer::singleShot( 0, this, SLOT(emitError()) );
}
void Smtp::emitError() {
error( command, responseLine );
}
void Smtp::readyRead()
{
if (!skipReadResponse) {
// SMTP is line-oriented
if ( !mSocket->canReadLine() )
return;
do {
responseLine = mSocket->readLine();
response += responseLine;
} while( mSocket->canReadLine() && responseLine[3] != ' ' );
}
skipReadResponse = false;
if ( state == smtpInit && responseLine[0] == '2' ) {
// banner was okay, let's go on
command = "HELO there";
*t << "HELO there\r\n";
state = smtpMail;
} else if ( state == smtpMail && responseLine[0] == '2' ) {
// HELO response was okay (well, it has to be)
command = "MAIL";
*t << "MAIL FROM: <" << from << ">\r\n";
state = smtpRcpt;
} else if ( state == smtpRcpt && responseLine[0] == '2' && (rcpt.begin() != rcpt.end())) {
command = "RCPT";
*t << "RCPT TO: <" << *(rcpt.begin()) << ">\r\n";
rcpt.remove( rcpt.begin() );
if (rcpt.begin() == rcpt.end())
state = smtpData;
} else if ( state == smtpData && responseLine[0] == '2' ) {
command = "DATA";
*t << "DATA\r\n";
state = smtpBody;
} else if ( state == smtpBody && responseLine[0] == '3' ) {
command = "DATA";
QString seperator = "";
if (message[message.length() - 1] != '\n')
seperator = "\r\n";
*t << message << seperator << ".\r\n";
state = smtpSuccess;
} else if ( state == smtpSuccess && responseLine[0] == '2' ) {
QTimer::singleShot( 0, this, SIGNAL(success()) );
} else if ( state == smtpQuit && responseLine[0] == '2' ) {
command = "QUIT";
*t << "QUIT\r\n";
// here, we just close.
state = smtpClose;
emit status( i18n( "Message sent" ) );
} else if ( state == smtpClose ) {
// we ignore it
} else { // error occurred
QTimer::singleShot( 0, this, SLOT(emitError()) );
state = smtpClose;
}
response = "";
if ( state == smtpClose ) {
delete t;
t = 0;
delete mSocket;
mSocket = 0;
QTimer::singleShot( 0, this, SLOT(deleteMe()) );
}
}
void Smtp::deleteMe()
{
delete this;
}
#include "smtp.moc"
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