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128 lines
3.3 KiB
128 lines
3.3 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "smtp.h"
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#include <qtextstream.h>
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#include <qsocket.h>
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#include <qdns.h>
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#include <qtimer.h>
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#include <qapplication.h>
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#include <qmessagebox.h>
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#include <qregexp.h>
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Smtp::Smtp( const QString &from, const QString &to,
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const QString &subject,
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const QString &body )
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{
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socket = new QSocket( this );
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connect ( socket, SIGNAL( readyRead() ),
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this, SLOT( readyRead() ) );
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connect ( socket, SIGNAL( connected() ),
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this, SLOT( connected() ) );
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mxLookup = new QDns( to.mid( to.find( '@' )+1 ), QDns::Mx );
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connect( mxLookup, SIGNAL(resultsReady()),
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this, SLOT(dnsLookupHelper()) );
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message = QString::fromLatin1( "From: " ) + from +
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QString::fromLatin1( "\nTo: " ) + to +
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QString::fromLatin1( "\nSubject: " ) + subject +
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QString::fromLatin1( "\n\n" ) + body + "\n";
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message.replace( QString::fromLatin1( "\n" ),
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QString::fromLatin1( "\r\n" ) );
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message.replace( QString::fromLatin1( "\r\n.\r\n" ),
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QString::fromLatin1( "\r\n..\r\n" ) );
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this->from = from;
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rcpt = to;
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state = Init;
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}
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Smtp::~Smtp()
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{
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delete t;
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delete socket;
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}
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void Smtp::dnsLookupHelper()
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{
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QValueList<QDns::MailServer> s = mxLookup->mailServers();
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if ( s.isEmpty() ) {
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if ( !mxLookup->isWorking() )
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emit status( tr( "Error in MX record lookup" ) );
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return;
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}
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emit status( tr( "Connecting to %1" ).arg( s.first().name ) );
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socket->connectToHost( s.first().name, 25 );
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t = new QTextStream( socket );
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}
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void Smtp::connected()
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{
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emit status( tr( "Connected to %1" ).arg( socket->peerName() ) );
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}
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void Smtp::readyRead()
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{
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// SMTP is line-oriented
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if ( !socket->canReadLine() )
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return;
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QString responseLine;
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do {
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responseLine = socket->readLine();
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response += responseLine;
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} while( socket->canReadLine() && responseLine[3] != ' ' );
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responseLine.truncate( 3 );
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if ( state == Init && responseLine[0] == '2' ) {
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// banner was okay, let's go on
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*t << "HELO there\r\n";
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state = Mail;
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} else if ( state == Mail && responseLine[0] == '2' ) {
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// HELO response was okay (well, it has to be)
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*t << "MAIL FROM: <" << from << ">\r\n";
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state = Rcpt;
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} else if ( state == Rcpt && responseLine[0] == '2' ) {
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*t << "RCPT TO: <" << rcpt << ">\r\n";
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state = Data;
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} else if ( state == Data && responseLine[0] == '2' ) {
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*t << "DATA\r\n";
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state = Body;
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} else if ( state == Body && responseLine[0] == '3' ) {
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*t << message << ".\r\n";
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state = Quit;
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} else if ( state == Quit && responseLine[0] == '2' ) {
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*t << "QUIT\r\n";
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// here, we just close.
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state = Close;
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emit status( tr( "Message sent" ) );
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} else if ( state == Close ) {
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deleteLater();
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return;
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} else {
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// something broke.
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QMessageBox::warning( qApp->activeWindow(),
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tr( "Qt Mail Example" ),
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tr( "Unexpected reply from SMTP server:\n\n" ) +
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response );
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state = Close;
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}
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response = "";
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}
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