class.pop3.php
10.2 KB
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
<?php
/*~ class.pop3.php
.---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class |
| Version: 5.2.2 |
| Site: https://code.google.com/a/apache-extras.org/p/phpmailer/ |
| ------------------------------------------------------------------------- |
| Admin: Jim Jagielski (project admininistrator) |
| Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
| : Marcus Bointon (coolbru) coolbru@users.sourceforge.net |
| : Jim Jagielski (jimjag) jimjag@gmail.com |
| Founder: Brent R. Matzelle (original founder) |
| Copyright (c) 2010-2012, Jim Jagielski. All Rights Reserved. |
| Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. |
| Copyright (c) 2001-2003, Brent R. Matzelle |
| ------------------------------------------------------------------------- |
| License: Distributed under the Lesser General Public License (LGPL) |
| http://www.gnu.org/copyleft/lesser.html |
| This program is distributed in the hope that it will be useful - WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. |
'---------------------------------------------------------------------------'
*/
/**
* PHPMailer - PHP POP Before SMTP Authentication Class
* NOTE: Designed for use with PHP version 5 and up
* @package PHPMailer
* @author Andy Prevost
* @author Marcus Bointon
* @author Jim Jagielski
* @copyright 2010 - 2012 Jim Jagielski
* @copyright 2004 - 2009 Andy Prevost
* @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL)
*/
/**
* POP Before SMTP Authentication Class
* Version 5.2.2
*
* Orig Author: Richard Davey (rich@corephp.co.uk)
* Modifications: Andy Prevost
* Modifications: Jim Jagielski
* License: LGPL, see PHPMailer License
*
* Specifically for PHPMailer to allow POP before SMTP authentication.
* Does not yet work with APOP - if you have an APOP account, contact Jim Jagielski
* and we can test changes to this script.
*
* This class is based on the structure of the SMTP class originally authored by Chris Ryan
*
* This class is rfc 1939 compliant and implements all the commands
* required for POP3 connection, authentication and disconnection.
*
* @package PHPMailer
* @author Richard Davey (orig)
* @author Andy Prevost
* @author Jim Jagielski
*/
class POP3 {
/**
* Default POP3 port
* @var int
*/
public $POP3_PORT = 110;
/**
* Default Timeout
* @var int
*/
public $POP3_TIMEOUT = 30;
/**
* POP3 Carriage Return + Line Feed
* @var string
*/
public $CRLF = "\r\n";
/**
* Displaying Debug warnings? (0 = now, 1+ = yes)
* @var int
*/
public $do_debug = 2;
/**
* POP3 Mail Server
* @var string
*/
public $host;
/**
* POP3 Port
* @var int
*/
public $port;
/**
* POP3 Timeout Value
* @var int
*/
public $tval;
/**
* POP3 Username
* @var string
*/
public $username;
/**
* POP3 Password
* @var string
*/
public $password;
/**
* Sets the POP3 PHPMailer Version number
* @var string
*/
public $Version = '5.2.2-rc2';
/////////////////////////////////////////////////
// PROPERTIES, PRIVATE AND PROTECTED
/////////////////////////////////////////////////
private $pop_conn;
private $connected;
private $error; // Error log array
/**
* Constructor, sets the initial values
* @access public
* @return POP3
*/
public function __construct() {
$this->pop_conn = 0;
$this->connected = false;
$this->error = null;
}
/**
* Combination of public events - connect, login, disconnect
* @access public
* @param string $host
* @param integer $port
* @param integer $tval
* @param string $username
* @param string $password
*/
public function Authorise ($host, $port = false, $tval = false, $username, $password, $debug_level = 0) {
$this->host = $host;
// If no port value is passed, retrieve it
if ($port == false) {
$this->port = $this->POP3_PORT;
} else {
$this->port = $port;
}
// If no port value is passed, retrieve it
if ($tval == false) {
$this->tval = $this->POP3_TIMEOUT;
} else {
$this->tval = $tval;
}
$this->do_debug = $debug_level;
$this->username = $username;
$this->password = $password;
// Refresh the error log
$this->error = null;
// Connect
$result = $this->Connect($this->host, $this->port, $this->tval);
if ($result) {
$login_result = $this->Login($this->username, $this->password);
if ($login_result) {
$this->Disconnect();
return true;
}
}
// We need to disconnect regardless if the login succeeded
$this->Disconnect();
return false;
}
/**
* Connect to the POP3 server
* @access public
* @param string $host
* @param integer $port
* @param integer $tval
* @return boolean
*/
public function Connect ($host, $port = false, $tval = 30) {
// Are we already connected?
if ($this->connected) {
return true;
}
/*
On Windows this will raise a PHP Warning error if the hostname doesn't exist.
Rather than supress it with @fsockopen, let's capture it cleanly instead
*/
set_error_handler(array(&$this, 'catchWarning'));
// Connect to the POP3 server
$this->pop_conn = fsockopen($host, // POP3 Host
$port, // Port #
$errno, // Error Number
$errstr, // Error Message
$tval); // Timeout (seconds)
// Restore the error handler
restore_error_handler();
// Does the Error Log now contain anything?
if ($this->error && $this->do_debug >= 1) {
$this->displayErrors();
}
// Did we connect?
if ($this->pop_conn == false) {
// It would appear not...
$this->error = array(
'error' => "Failed to connect to server $host on port $port",
'errno' => $errno,
'errstr' => $errstr
);
if ($this->do_debug >= 1) {
$this->displayErrors();
}
return false;
}
// Increase the stream time-out
// Check for PHP 4.3.0 or later
if (version_compare(phpversion(), '5.0.0', 'ge')) {
stream_set_timeout($this->pop_conn, $tval, 0);
} else {
// Does not work on Windows
if (substr(PHP_OS, 0, 3) !== 'WIN') {
socket_set_timeout($this->pop_conn, $tval, 0);
}
}
// Get the POP3 server response
$pop3_response = $this->getResponse();
// Check for the +OK
if ($this->checkResponse($pop3_response)) {
// The connection is established and the POP3 server is talking
$this->connected = true;
return true;
}
}
/**
* Login to the POP3 server (does not support APOP yet)
* @access public
* @param string $username
* @param string $password
* @return boolean
*/
public function Login ($username = '', $password = '') {
if ($this->connected == false) {
$this->error = 'Not connected to POP3 server';
if ($this->do_debug >= 1) {
$this->displayErrors();
}
}
if (empty($username)) {
$username = $this->username;
}
if (empty($password)) {
$password = $this->password;
}
$pop_username = "USER $username" . $this->CRLF;
$pop_password = "PASS $password" . $this->CRLF;
// Send the Username
$this->sendString($pop_username);
$pop3_response = $this->getResponse();
if ($this->checkResponse($pop3_response)) {
// Send the Password
$this->sendString($pop_password);
$pop3_response = $this->getResponse();
if ($this->checkResponse($pop3_response)) {
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* Disconnect from the POP3 server
* @access public
*/
public function Disconnect () {
$this->sendString('QUIT');
fclose($this->pop_conn);
}
/////////////////////////////////////////////////
// Private Methods
/////////////////////////////////////////////////
/**
* Get the socket response back.
* $size is the maximum number of bytes to retrieve
* @access private
* @param integer $size
* @return string
*/
private function getResponse ($size = 128) {
$pop3_response = fgets($this->pop_conn, $size);
return $pop3_response;
}
/**
* Send a string down the open socket connection to the POP3 server
* @access private
* @param string $string
* @return integer
*/
private function sendString ($string) {
$bytes_sent = fwrite($this->pop_conn, $string, strlen($string));
return $bytes_sent;
}
/**
* Checks the POP3 server response for +OK or -ERR
* @access private
* @param string $string
* @return boolean
*/
private function checkResponse ($string) {
if (substr($string, 0, 3) !== '+OK') {
$this->error = array(
'error' => "Server reported an error: $string",
'errno' => 0,
'errstr' => ''
);
if ($this->do_debug >= 1) {
$this->displayErrors();
}
return false;
} else {
return true;
}
}
/**
* If debug is enabled, display the error message array
* @access private
*/
private function displayErrors () {
echo '<pre>';
foreach ($this->error as $single_error) {
print_r($single_error);
}
echo '</pre>';
}
/**
* Takes over from PHP for the socket warning handler
* @access private
* @param integer $errno
* @param string $errstr
* @param string $errfile
* @param integer $errline
*/
private function catchWarning ($errno, $errstr, $errfile, $errline) {
$this->error[] = array(
'error' => "Connecting to the POP3 server raised a PHP warning: ",
'errno' => $errno,
'errstr' => $errstr
);
}
// End of class
}
?>