1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/**********************************************************************
** Copyright (C) 2001 Trolltech AS. All rights reserved.
**
** This file is part of Qt Palmtop Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "smtpclient.h"
#include "emailhandler.h"
SmtpClient::SmtpClient()
{
socket = new QSocket(this, "smtpClient");
stream = new QTextStream(socket);
mailList.setAutoDelete(TRUE);
connect(socket, SIGNAL(error(int)), this, SLOT(errorHandling(int)));
connect(socket, SIGNAL(connected()), this, SLOT(connectionEstablished()));
connect(socket, SIGNAL(readyRead()), this, SLOT(incomingData()));
sending = FALSE;
}
SmtpClient::~SmtpClient()
{
delete socket;
delete stream;
}
void SmtpClient::newConnection(const QString &target, int port)
{
if (sending) {
qWarning("socket in use, connection refused");
return;
}
status = Init;
sending = TRUE;
socket->connectToHost(target, port);
emit updateStatus(tr("DNS lookup"));
}
void SmtpClient::addMail(const QString &from, const QString &subject, const QStringList &to, const QString &body)
{
RawEmail *mail = new RawEmail;
mail->from = from;
mail->subject = subject;
mail->to = to;
mail->body = body;
mailList.append(mail);
}
void SmtpClient::connectionEstablished()
{
emit updateStatus(tr("Connection established"));
}
void SmtpClient::errorHandling(int status)
{
errorHandlingWithMsg( status, QString::null );
}
void SmtpClient::errorHandlingWithMsg(int status, const QString & EMsg )
{
emit errorOccurred(status, EMsg );
socket->close();
mailList.clear();
sending = FALSE;
}
void SmtpClient::incomingData()
{
QString response;
if (!socket->canReadLine())
return;
response = socket->readLine();
switch(status) {
case Init: {
if (response[0] == '2') {
status = From;
mailPtr = mailList.first();
*stream << "HELO there\r\n";
} else errorHandlingWithMsg(ErrUnknownResponse,response);
break;
}
case From: {
if (response[0] == '2') {
qDebug(mailPtr->from);
*stream << "MAIL FROM: " << mailPtr->from << "\r\n";
status = Recv;
} else errorHandlingWithMsg(ErrUnknownResponse, response );
break;
}
case Recv: {
if (response[0] == '2') {
it = mailPtr->to.begin();
if (it == NULL) {
errorHandlingWithMsg(ErrUnknownResponse,response);
}
*stream << "RCPT TO: " << *it << "\r\n";
status = MRcv;
} else errorHandlingWithMsg(ErrUnknownResponse,response);
break;
}
case MRcv: {
if (response[0] == '2') {
it++;
if ( it != mailPtr->to.end() ) {
*stream << "RCPT TO: " << *it << "\r\n";
break;
} else {
status = Data;
}
} else errorHandlingWithMsg(ErrUnknownResponse,response);
}
case Data: {
if (response[0] == '2') {
*stream << "DATA\r\n";
status = Body;
emit updateStatus(tr("Sending: ") + mailPtr->subject);
} else errorHandlingWithMsg(ErrUnknownResponse,response);
break;
}
case Body: {
if (response[0] == '3') {
*stream << mailPtr->body << "\r\n.\r\n";
mailPtr = mailList.next();
if (mailPtr != NULL) {
status = From;
} else {
status = Quit;
}
} else errorHandlingWithMsg(ErrUnknownResponse,response);
break;
}
case Quit: {
if (response[0] == '2') {
*stream << "QUIT\r\n";
status = Done;
QString temp;
temp.setNum(mailList.count());
emit updateStatus(tr("Sent ") + temp + tr(" messages"));
emit mailSent();
mailList.clear();
sending = FALSE;
socket->close();
} else errorHandlingWithMsg(ErrUnknownResponse,response);
break;
}
}
}
|
