#ifndef SMTP_H
#define SMTP_H
#include <QtCore>
#include <QCoreApplication>
#include <QObject>
#include <QTcpSocket>
#include <QString>
#include <QTextStream>
#include <QDebug>
#include <QAbstractSocket>
#include <QDateTime>
#include <QDate>
#include <QLocale>
#include <QObject>
#include <QTcpSocket>
class Smtp : public QObject
{
Q_OBJECT
public:
Smtp(QString smtphost, QString smtpusername, QString smtppass);
~Smtp();
bool Send( const QString &to,const QString &subject, const QString &body );
int linesend;
QStringList ErrorMSG;
bool ReadLiner();
void ErrorCloseAll();
signals:
void status( const QString &);
void SendLine();
public slots:
bool PutSendLine();
private:
bool isconnect;
QString smtphost;
QString smtpusername;
QString smtppass;
QString message;
QString output;
QString RemoteServerName;
QString mailstatus;
QTextStream *t;
QTcpSocket *smtpsocket;
QString from;
QString rcpt;
QString response;
QString SendLineAndGrab(QString senddata);
int Timeout;
QString encodeBase64( QString xml );
QString decodeBase64( QString xml );
int dateswap(QString form, uint unixtime );
QString TimeStampMail();
};
#endif
#include "smtp.h"
Smtp::Smtp(QString smtphost, QString smtpusername, QString smtppass)
{
this->smtphost = smtphost;
this->smtpusername = smtpusername;
this->smtppass = smtppass;
}
bool Smtp::Send( const QString &to, const QString &subject, const QString &body )
{
qDebug()<<"####"<<Q_FUNC_INFO;
bool res = false;
int waittime = 5 * 1000;
this->from = smtpusername;
rcpt = to;
ErrorMSG.clear();
Timeout = waittime;
linesend = 0;
isconnect = false;
QString tmp = "=?utf-8?B?"+ QByteArray().append(subject).toBase64()+"?=";
message.append("Subject:" + tmp + "\n");
message.append("To: " + to + "\n");
message.append("From: "+smtpusername+" <" + smtpusername + ">\n");
message.append("Content-Type: text/html; charset=UTF8;\n"); /* or txt */
message.append("Content-transfer-encoding: 7BIT\n\n\n\n");
message.append(body);
message.replace( tr( "\n" ), tr( "\r\n" ) );
message.replace( tr( "\r\n.\r\n" ),tr( "\r\n..\r\n" ) );
smtpsocket = new QTcpSocket(this);
connect( this, SIGNAL(SendLine()), this ,SLOT(PutSendLine()));
if (smtphost.size() > 0)
{
smtpsocket->connectToHost(smtphost,25);
} else {
smtpsocket->connectToHost("localhost",25);
}
if (smtpsocket->waitForConnected(Timeout))
{
if (smtpsocket->waitForReadyRead(Timeout))
{
isconnect = true;
return ReadLiner();
}
}
else
{
ErrorCloseAll();
}
return res;
}
bool Smtp::ReadLiner()
{
bool res = false;
if (isconnect)
{
QTextCodec *codecx;
codecx = QTextCodec::codecForMib(106);
t = new QTextStream( smtpsocket );
t->setCodec(codecx);
int loops = 0;
while (!t->atEnd())
{
loops++;
response = t->readLine();
}
if (response.size() > 0)
{
RemoteServerName = response;
mailstatus = response.left(3);
if (mailstatus == "220")
{
response="";
linesend = 1;
res = true;
}
}
else
{
ErrorCloseAll();
}
}
return res;
}
Smtp::~Smtp()
{
delete smtpsocket;
delete t;
}
/* LINE SENDER */
bool Smtp::PutSendLine()
{
static bool res = true;
int current = linesend;
switch(current)
{
case 1:
response = SendLineAndGrab("ehlo localhost");
if (response.size() > 0)
{
ErrorMSG.append(response);
linesend = 2;
emit SendLine();
}
else
{
res=false;
}
response ="";
break;
case 2:
response = SendLineAndGrab("AUTH LOGIN");
if (response.size() > 0)
{
ErrorMSG.append(response);
linesend = 3;
emit SendLine();
}
else
{
res= false;
}
response ="";
break;
case 3:
response = SendLineAndGrab(encodeBase64(smtpusername)); /* username send */
if (response.size() > 0)
{
ErrorMSG.append(response);
if (response.contains("334", Qt::CaseInsensitive))
{
linesend = 4;
emit SendLine();
}
}
else
{
res=false;
}
response ="";
break;
case 4:
response = SendLineAndGrab(encodeBase64(smtppass)); /* pass send */
if (response.size() > 0)
{
ErrorMSG.append(response);
if (response.contains("235", Qt::CaseInsensitive))
{
linesend = 5;
emit SendLine();
}
else
{
res= false;
}
}
else
{
res= false;
}
response ="";
break;
case 5:
response = SendLineAndGrab(tr("MAIL FROM: %1").arg(smtpusername));
if (response.size() > 0)
{
linesend = 6;
emit SendLine();
}
break;
case 6:
response = SendLineAndGrab("RCPT TO: "+rcpt);
if (response.size() > 0)
{
ErrorMSG.append(response);
response ="";
response = SendLineAndGrab("DATA");
if (!response.contains("not", Qt::CaseInsensitive))
{
ErrorMSG.append(response);
response ="";
linesend = 7;
emit SendLine();
}
}
response ="";
break;
case 7:
response = SendLineAndGrab(message+"\r\n.");
if (response.size() && response.contains("ok", Qt::CaseInsensitive) )
{
ErrorMSG.append(response);
linesend = 8;
emit SendLine();
}
response ="";
break;
case 8:
SendLineAndGrab("QUIT");
break;
default:
break;
}
return res;
}
/* SENDER AND RECIVER */
QString Smtp::SendLineAndGrab(QString senddata)
{
QString incommingData = "";
if (isconnect)
{
int current = linesend;
int loops = 0;
*t << senddata << "\r\n";
t->flush();
if (senddata != "QUIT") {
if (smtpsocket->waitForReadyRead(Timeout))
{
while (!t->atEnd())
{
loops++;
QString opera = t->readLine()+"\n";
incommingData = opera + incommingData;
}
}
} else
{
delete smtpsocket;
delete t;
isconnect = false;
return incommingData;
}
}
else
{
ErrorCloseAll();
}
return incommingData;
}
QString Smtp::encodeBase64( QString xml )
{
QByteArray text;
text.append(xml);
return text.toBase64();
}
QString Smtp::decodeBase64( QString xml )
{
QByteArray xcode("");;
xcode.append(xml);
QByteArray precode(QByteArray::fromBase64(xcode));
QString notetxt = precode.data();
return notetxt;
}
int Smtp::dateswap(QString form, uint unixtime )
{
QDateTime fromunix;
fromunix.setTime_t(unixtime);
QString numeric = fromunix.toString((const QString)form);
bool ok;
return (int)numeric.toFloat(&ok);
}
QString Smtp::TimeStampMail()
{
/* mail rtf Date format! http://www.faqs.org/rfcs/rfc788.html */
QDateTime timer1( QDateTime::currentDateTime() );
uint unixtime = timer1.toTime_t();
QDateTime fromunix;
fromunix.setTime_t(unixtime);
QStringList RTFdays = QStringList() << "giorno_NULL" << "Mon" << "Tue" << "Wed" << "Thu" << "Fri" << "Sat" << "Sun";
QStringList RTFmonth = QStringList() << "mese_NULL" << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec";
QDate timeroad(dateswap("yyyy",unixtime),dateswap("M",unixtime),dateswap("d",unixtime));
QStringList rtfd_line;
rtfd_line.clear();
rtfd_line.append("Date: ");
rtfd_line.append(RTFdays.at(timeroad.dayOfWeek()));
rtfd_line.append(", ");
rtfd_line.append(QString::number(dateswap("d",unixtime)));
rtfd_line.append(" ");
rtfd_line.append(RTFmonth.at(dateswap("M",unixtime)));
rtfd_line.append(" ");
rtfd_line.append(QString::number(dateswap("yyyy",unixtime)));
rtfd_line.append(" ");
rtfd_line.append(fromunix.toString("hh:mm:ss"));
rtfd_line.append(" +0100");
return QString(rtfd_line.join(""));
}
void Smtp::ErrorCloseAll()
{
delete t;
smtpsocket->close();
}
调用示例：
Smtp *sendmail = new Smtp("邮件服务器地址","账号","密码");
if(sendmail->Send(“收件人”,"主题",“内容”))
{
if(sendmail->PutSendLine())
{
qDebug() <<"发送成功.";
}
else
{
qDebug() << "发送失败.";
}
}版权声明：本文为fuyunzhishang1原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。