#include "smtp.h"
#include <QAbstractSocket>
Smtp::Smtp( const QString &strmailserver, const int &port, const QString &from, const QString &to, const QString &subject, const QString &body )
{
socket = new QTcpSocket( this );
connect( socket, SIGNAL( readyRead() ), this, SLOT( readyRead() ) );
connect( socket, SIGNAL( connected() ), this, SLOT( connected() ) );
connect( socket, SIGNAL( error(QAbstractSocket::SocketError)), this, SLOT(errorReceived(QAbstractSocket::SocketError))) ;
connect( socket, SIGNAL( stateChanged(QAbstractSocket::SocketState)), this, SLOT(stateChanged(QAbstractSocket::SocketState)));
connect( socket, SIGNAL( disconnected()), this, SLOT(disconnected()));;
message = "To: " + to + "\n";
message.append("From: " + from + "\n");
message.append("Subject: " + subject + "\n");
message.append(body);
message.replace( QString::fromLatin1( "\n" ), QString::fromLatin1( "\r\n" ) );
message.replace( QString::fromLatin1( "\r\n.\r\n" ),
QString::fromLatin1( "\r\n..\r\n" ) );
this->from = from;
rcpt = to;
state = Init;
socket->connectToHost( strmailserver , port);
if(socket->waitForConnected ( 10000 )){
qDebug("connected");
}
t = new QTextStream( socket );
}
void Smtp::stateChanged(QAbstractSocket::SocketState socketState)
{
qDebug() <<"stateChanged " << socketState;
}
void Smtp::errorReceived(QAbstractSocket::SocketError socketError)
{
qDebug() << "error " <<socketError;
}
void Smtp::disconnected()
{
qDebug() <<"disconneted";
qDebug() << "error " << socket->errorString();
}
void Smtp::connected()
{
//output->append("connected");
qDebug() << "Connected ";
}
void Smtp::readyRead()
{
qDebug() <<"readyRead";
// SMTP is line-oriented
QString responseLine;
do
{
responseLine = socket->readLine();
response += responseLine;
}
while ( socket->canReadLine() && responseLine[3] != ' ' );
responseLine.truncate( 3 );
if ( state == Init && responseLine[0] == '2' )
{
// banner was okay, let's go on
*t << "HELO there\r\n";
t->flush();
state = Mail;
}
else if ( state == Mail && responseLine[0] == '2' )
{
// HELO response was okay (well, it has to be)
*t << "MAIL FROM: " << from << "\r\n";
t->flush();
state = Rcpt;
}
else if ( state == Rcpt && responseLine[0] == '2' )
{
*t << "RCPT TO: " << rcpt << "\r\n"; //r
t->flush();
state = Data;
}
else if ( state == Data && responseLine[0] == '2' )
{
*t << "DATA\r\n";
t->flush();
state = Body;
}
else if ( state == Body && responseLine[0] == '3' )
{
*t << message << "\r\n.\r\n";
t->flush();
state = Quit;
}
else if ( state == Quit && responseLine[0] == '2' )
{
*t << "QUIT\r\n";
t->flush();
// here, we just close.
state = Close;
emit status( tr( "Message sent" ) );
}
else if ( state == Close )
{
deleteLater();
return;
}
else
{
// something broke.
QMessageBox::warning( 0, tr( "Qt Mail Example" ), tr( "Unexpected reply from SMTP server:\n\n" ) + response );
state = Close;
}
response = "";
}
Smtp::~Smtp()
{
delete t;
delete socket;
}
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