source: trunk/www.guidonia.net/wp/wp-includes/class-smtp.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 15 years ago
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1<?php
2/*~ class.smtp.php
3.---------------------------------------------------------------------------.
4| Software: PHPMailer - PHP email class |
5| Version: 2.0.4 |
6| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
7| Info: http://phpmailer.sourceforge.net |
8| Support: http://sourceforge.net/projects/phpmailer/ |
9| ------------------------------------------------------------------------- |
10| Author: Andy Prevost (project admininistrator) |
11| Author: Brent R. Matzelle (original founder) |
12| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved. |
13| Copyright (c) 2001-2003, Brent R. Matzelle |
14| ------------------------------------------------------------------------- |
15| License: Distributed under the Lesser General Public License (LGPL) |
16| http://www.gnu.org/copyleft/lesser.html |
17| This program is distributed in the hope that it will be useful - WITHOUT |
18| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
19| FITNESS FOR A PARTICULAR PURPOSE. |
20| ------------------------------------------------------------------------- |
21| We offer a number of paid services (www.codeworxtech.com): |
22| - Web Hosting on highly optimized fast and secure servers |
23| - Technology Consulting |
24| - Oursourcing (highly qualified programmers and graphic designers) |
25'---------------------------------------------------------------------------'
26 */
27/**
28 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
29 * commands except TURN which will always return a not implemented
30 * error. SMTP also provides some utility methods for sending mail
31 * to an SMTP server.
32 * @package PHPMailer
33 * @author Chris Ryan
34 */
35
36class SMTP
37{
38 /**
39 * SMTP server port
40 * @var int
41 */
42 var $SMTP_PORT = 25;
43
44 /**
45 * SMTP reply line ending
46 * @var string
47 */
48 var $CRLF = "\r\n";
49
50 /**
51 * Sets whether debugging is turned on
52 * @var bool
53 */
54 var $do_debug; # the level of debug to perform
55
56 /**
57 * Sets VERP use on/off (default is off)
58 * @var bool
59 */
60 var $do_verp = false;
61
62 /**#@+
63 * @access private
64 */
65 var $smtp_conn; # the socket to the server
66 var $error; # error if any on the last call
67 var $helo_rply; # the reply the server sent to us for HELO
68 /**#@-*/
69
70 /**
71 * Initialize the class so that the data is in a known state.
72 * @access public
73 * @return void
74 */
75 function SMTP() {
76 $this->smtp_conn = 0;
77 $this->error = null;
78 $this->helo_rply = null;
79
80 $this->do_debug = 0;
81 }
82
83 /*************************************************************
84 * CONNECTION FUNCTIONS *
85 ***********************************************************/
86
87 /**
88 * Connect to the server specified on the port specified.
89 * If the port is not specified use the default SMTP_PORT.
90 * If tval is specified then a connection will try and be
91 * established with the server for that number of seconds.
92 * If tval is not specified the default is 30 seconds to
93 * try on the connection.
94 *
95 * SMTP CODE SUCCESS: 220
96 * SMTP CODE FAILURE: 421
97 * @access public
98 * @return bool
99 */
100 function Connect($host,$port=0,$tval=30) {
101 # set the error val to null so there is no confusion
102 $this->error = null;
103
104 # make sure we are __not__ connected
105 if($this->connected()) {
106 # ok we are connected! what should we do?
107 # for now we will just give an error saying we
108 # are already connected
109 $this->error = array("error" => "Already connected to a server");
110 return false;
111 }
112
113 if(empty($port)) {
114 $port = $this->SMTP_PORT;
115 }
116
117 #connect to the smtp server
118 $this->smtp_conn = fsockopen($host, # the host of the server
119 $port, # the port to use
120 $errno, # error number if any
121 $errstr, # error message if any
122 $tval); # give up after ? secs
123 # verify we connected properly
124 if(empty($this->smtp_conn)) {
125 $this->error = array("error" => "Failed to connect to server",
126 "errno" => $errno,
127 "errstr" => $errstr);
128 if($this->do_debug >= 1) {
129 echo "SMTP -> ERROR: " . $this->error["error"] .
130 ": $errstr ($errno)" . $this->CRLF;
131 }
132 return false;
133 }
134
135 # sometimes the SMTP server takes a little longer to respond
136 # so we will give it a longer timeout for the first read
137 // Windows still does not have support for this timeout function
138 if(substr(PHP_OS, 0, 3) != "WIN")
139 socket_set_timeout($this->smtp_conn, $tval, 0);
140
141 # get any announcement stuff
142 $announce = $this->get_lines();
143
144 # set the timeout of any socket functions at 1/10 of a second
145 //if(function_exists("socket_set_timeout"))
146 // socket_set_timeout($this->smtp_conn, 0, 100000);
147
148 if($this->do_debug >= 2) {
149 echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
150 }
151
152 return true;
153 }
154
155 /**
156 * Performs SMTP authentication. Must be run after running the
157 * Hello() method. Returns true if successfully authenticated.
158 * @access public
159 * @return bool
160 */
161 function Authenticate($username, $password) {
162 // Start authentication
163 fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
164
165 $rply = $this->get_lines();
166 $code = substr($rply,0,3);
167
168 if($code != 334) {
169 $this->error =
170 array("error" => "AUTH not accepted from server",
171 "smtp_code" => $code,
172 "smtp_msg" => substr($rply,4));
173 if($this->do_debug >= 1) {
174 echo "SMTP -> ERROR: " . $this->error["error"] .
175 ": " . $rply . $this->CRLF;
176 }
177 return false;
178 }
179
180 // Send encoded username
181 fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
182
183 $rply = $this->get_lines();
184 $code = substr($rply,0,3);
185
186 if($code != 334) {
187 $this->error =
188 array("error" => "Username not accepted from server",
189 "smtp_code" => $code,
190 "smtp_msg" => substr($rply,4));
191 if($this->do_debug >= 1) {
192 echo "SMTP -> ERROR: " . $this->error["error"] .
193 ": " . $rply . $this->CRLF;
194 }
195 return false;
196 }
197
198 // Send encoded password
199 fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
200
201 $rply = $this->get_lines();
202 $code = substr($rply,0,3);
203
204 if($code != 235) {
205 $this->error =
206 array("error" => "Password not accepted from server",
207 "smtp_code" => $code,
208 "smtp_msg" => substr($rply,4));
209 if($this->do_debug >= 1) {
210 echo "SMTP -> ERROR: " . $this->error["error"] .
211 ": " . $rply . $this->CRLF;
212 }
213 return false;
214 }
215
216 return true;
217 }
218
219 /**
220 * Returns true if connected to a server otherwise false
221 * @access private
222 * @return bool
223 */
224 function Connected() {
225 if(!empty($this->smtp_conn)) {
226 $sock_status = socket_get_status($this->smtp_conn);
227 if($sock_status["eof"]) {
228 # hmm this is an odd situation... the socket is
229 # valid but we are not connected anymore
230 if($this->do_debug >= 1) {
231 echo "SMTP -> NOTICE:" . $this->CRLF .
232 "EOF caught while checking if connected";
233 }
234 $this->Close();
235 return false;
236 }
237 return true; # everything looks good
238 }
239 return false;
240 }
241
242 /**
243 * Closes the socket and cleans up the state of the class.
244 * It is not considered good to use this function without
245 * first trying to use QUIT.
246 * @access public
247 * @return void
248 */
249 function Close() {
250 $this->error = null; # so there is no confusion
251 $this->helo_rply = null;
252 if(!empty($this->smtp_conn)) {
253 # close the connection and cleanup
254 fclose($this->smtp_conn);
255 $this->smtp_conn = 0;
256 }
257 }
258
259 /***************************************************************
260 * SMTP COMMANDS *
261 *************************************************************/
262
263 /**
264 * Issues a data command and sends the msg_data to the server
265 * finializing the mail transaction. $msg_data is the message
266 * that is to be send with the headers. Each header needs to be
267 * on a single line followed by a <CRLF> with the message headers
268 * and the message body being seperated by and additional <CRLF>.
269 *
270 * Implements rfc 821: DATA <CRLF>
271 *
272 * SMTP CODE INTERMEDIATE: 354
273 * [data]
274 * <CRLF>.<CRLF>
275 * SMTP CODE SUCCESS: 250
276 * SMTP CODE FAILURE: 552,554,451,452
277 * SMTP CODE FAILURE: 451,554
278 * SMTP CODE ERROR : 500,501,503,421
279 * @access public
280 * @return bool
281 */
282 function Data($msg_data) {
283 $this->error = null; # so no confusion is caused
284
285 if(!$this->connected()) {
286 $this->error = array(
287 "error" => "Called Data() without being connected");
288 return false;
289 }
290
291 fputs($this->smtp_conn,"DATA" . $this->CRLF);
292
293 $rply = $this->get_lines();
294 $code = substr($rply,0,3);
295
296 if($this->do_debug >= 2) {
297 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
298 }
299
300 if($code != 354) {
301 $this->error =
302 array("error" => "DATA command not accepted from server",
303 "smtp_code" => $code,
304 "smtp_msg" => substr($rply,4));
305 if($this->do_debug >= 1) {
306 echo "SMTP -> ERROR: " . $this->error["error"] .
307 ": " . $rply . $this->CRLF;
308 }
309 return false;
310 }
311
312 # the server is ready to accept data!
313 # according to rfc 821 we should not send more than 1000
314 # including the CRLF
315 # characters on a single line so we will break the data up
316 # into lines by \r and/or \n then if needed we will break
317 # each of those into smaller lines to fit within the limit.
318 # in addition we will be looking for lines that start with
319 # a period '.' and append and additional period '.' to that
320 # line. NOTE: this does not count towards are limit.
321
322 # normalize the line breaks so we know the explode works
323 $msg_data = str_replace("\r\n","\n",$msg_data);
324 $msg_data = str_replace("\r","\n",$msg_data);
325 $lines = explode("\n",$msg_data);
326
327 # we need to find a good way to determine is headers are
328 # in the msg_data or if it is a straight msg body
329 # currently I am assuming rfc 822 definitions of msg headers
330 # and if the first field of the first line (':' sperated)
331 # does not contain a space then it _should_ be a header
332 # and we can process all lines before a blank "" line as
333 # headers.
334 $field = substr($lines[0],0,strpos($lines[0],":"));
335 $in_headers = false;
336 if(!empty($field) && !strstr($field," ")) {
337 $in_headers = true;
338 }
339
340 $max_line_length = 998; # used below; set here for ease in change
341
342 while(list(,$line) = @each($lines)) {
343 $lines_out = null;
344 if($line == "" && $in_headers) {
345 $in_headers = false;
346 }
347 # ok we need to break this line up into several
348 # smaller lines
349 while(strlen($line) > $max_line_length) {
350 $pos = strrpos(substr($line,0,$max_line_length)," ");
351
352 # Patch to fix DOS attack
353 if(!$pos) {
354 $pos = $max_line_length - 1;
355 }
356
357 $lines_out[] = substr($line,0,$pos);
358 $line = substr($line,$pos + 1);
359 # if we are processing headers we need to
360 # add a LWSP-char to the front of the new line
361 # rfc 822 on long msg headers
362 if($in_headers) {
363 $line = "\t" . $line;
364 }
365 }
366 $lines_out[] = $line;
367
368 # now send the lines to the server
369 while(list(,$line_out) = @each($lines_out)) {
370 if(strlen($line_out) > 0)
371 {
372 if(substr($line_out, 0, 1) == ".") {
373 $line_out = "." . $line_out;
374 }
375 }
376 fputs($this->smtp_conn,$line_out . $this->CRLF);
377 }
378 }
379
380 # ok all the message data has been sent so lets get this
381 # over with aleady
382 fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
383
384 $rply = $this->get_lines();
385 $code = substr($rply,0,3);
386
387 if($this->do_debug >= 2) {
388 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
389 }
390
391 if($code != 250) {
392 $this->error =
393 array("error" => "DATA not accepted from server",
394 "smtp_code" => $code,
395 "smtp_msg" => substr($rply,4));
396 if($this->do_debug >= 1) {
397 echo "SMTP -> ERROR: " . $this->error["error"] .
398 ": " . $rply . $this->CRLF;
399 }
400 return false;
401 }
402 return true;
403 }
404
405 /**
406 * Expand takes the name and asks the server to list all the
407 * people who are members of the _list_. Expand will return
408 * back and array of the result or false if an error occurs.
409 * Each value in the array returned has the format of:
410 * [ <full-name> <sp> ] <path>
411 * The definition of <path> is defined in rfc 821
412 *
413 * Implements rfc 821: EXPN <SP> <string> <CRLF>
414 *
415 * SMTP CODE SUCCESS: 250
416 * SMTP CODE FAILURE: 550
417 * SMTP CODE ERROR : 500,501,502,504,421
418 * @access public
419 * @return string array
420 */
421 function Expand($name) {
422 $this->error = null; # so no confusion is caused
423
424 if(!$this->connected()) {
425 $this->error = array(
426 "error" => "Called Expand() without being connected");
427 return false;
428 }
429
430 fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);
431
432 $rply = $this->get_lines();
433 $code = substr($rply,0,3);
434
435 if($this->do_debug >= 2) {
436 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
437 }
438
439 if($code != 250) {
440 $this->error =
441 array("error" => "EXPN not accepted from server",
442 "smtp_code" => $code,
443 "smtp_msg" => substr($rply,4));
444 if($this->do_debug >= 1) {
445 echo "SMTP -> ERROR: " . $this->error["error"] .
446 ": " . $rply . $this->CRLF;
447 }
448 return false;
449 }
450
451 # parse the reply and place in our array to return to user
452 $entries = explode($this->CRLF,$rply);
453 while(list(,$l) = @each($entries)) {
454 $list[] = substr($l,4);
455 }
456
457 return $list;
458 }
459
460 /**
461 * Sends the HELO command to the smtp server.
462 * This makes sure that we and the server are in
463 * the same known state.
464 *
465 * Implements from rfc 821: HELO <SP> <domain> <CRLF>
466 *
467 * SMTP CODE SUCCESS: 250
468 * SMTP CODE ERROR : 500, 501, 504, 421
469 * @access public
470 * @return bool
471 */
472 function Hello($host="") {
473 $this->error = null; # so no confusion is caused
474
475 if(!$this->connected()) {
476 $this->error = array(
477 "error" => "Called Hello() without being connected");
478 return false;
479 }
480
481 # if a hostname for the HELO was not specified determine
482 # a suitable one to send
483 if(empty($host)) {
484 # we need to determine some sort of appopiate default
485 # to send to the server
486 $host = "localhost";
487 }
488
489 // Send extended hello first (RFC 2821)
490 if(!$this->SendHello("EHLO", $host))
491 {
492 if(!$this->SendHello("HELO", $host))
493 return false;
494 }
495
496 return true;
497 }
498
499 /**
500 * Sends a HELO/EHLO command.
501 * @access private
502 * @return bool
503 */
504 function SendHello($hello, $host) {
505 fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
506
507 $rply = $this->get_lines();
508 $code = substr($rply,0,3);
509
510 if($this->do_debug >= 2) {
511 echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply;
512 }
513
514 if($code != 250) {
515 $this->error =
516 array("error" => $hello . " not accepted from server",
517 "smtp_code" => $code,
518 "smtp_msg" => substr($rply,4));
519 if($this->do_debug >= 1) {
520 echo "SMTP -> ERROR: " . $this->error["error"] .
521 ": " . $rply . $this->CRLF;
522 }
523 return false;
524 }
525
526 $this->helo_rply = $rply;
527
528 return true;
529 }
530
531 /**
532 * Gets help information on the keyword specified. If the keyword
533 * is not specified then returns generic help, ussually contianing
534 * A list of keywords that help is available on. This function
535 * returns the results back to the user. It is up to the user to
536 * handle the returned data. If an error occurs then false is
537 * returned with $this->error set appropiately.
538 *
539 * Implements rfc 821: HELP [ <SP> <string> ] <CRLF>
540 *
541 * SMTP CODE SUCCESS: 211,214
542 * SMTP CODE ERROR : 500,501,502,504,421
543 * @access public
544 * @return string
545 */
546 function Help($keyword="") {
547 $this->error = null; # to avoid confusion
548
549 if(!$this->connected()) {
550 $this->error = array(
551 "error" => "Called Help() without being connected");
552 return false;
553 }
554
555 $extra = "";
556 if(!empty($keyword)) {
557 $extra = " " . $keyword;
558 }
559
560 fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);
561
562 $rply = $this->get_lines();
563 $code = substr($rply,0,3);
564
565 if($this->do_debug >= 2) {
566 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
567 }
568
569 if($code != 211 && $code != 214) {
570 $this->error =
571 array("error" => "HELP not accepted from server",
572 "smtp_code" => $code,
573 "smtp_msg" => substr($rply,4));
574 if($this->do_debug >= 1) {
575 echo "SMTP -> ERROR: " . $this->error["error"] .
576 ": " . $rply . $this->CRLF;
577 }
578 return false;
579 }
580
581 return $rply;
582 }
583
584 /**
585 * Starts a mail transaction from the email address specified in
586 * $from. Returns true if successful or false otherwise. If True
587 * the mail transaction is started and then one or more Recipient
588 * commands may be called followed by a Data command.
589 *
590 * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
591 *
592 * SMTP CODE SUCCESS: 250
593 * SMTP CODE SUCCESS: 552,451,452
594 * SMTP CODE SUCCESS: 500,501,421
595 * @access public
596 * @return bool
597 */
598 function Mail($from) {
599 $this->error = null; # so no confusion is caused
600
601 if(!$this->connected()) {
602 $this->error = array(
603 "error" => "Called Mail() without being connected");
604 return false;
605 }
606
607 $useVerp = ($this->do_verp ? "XVERP" : "");
608 fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
609
610 $rply = $this->get_lines();
611 $code = substr($rply,0,3);
612
613 if($this->do_debug >= 2) {
614 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
615 }
616
617 if($code != 250) {
618 $this->error =
619 array("error" => "MAIL not accepted from server",
620 "smtp_code" => $code,
621 "smtp_msg" => substr($rply,4));
622 if($this->do_debug >= 1) {
623 echo "SMTP -> ERROR: " . $this->error["error"] .
624 ": " . $rply . $this->CRLF;
625 }
626 return false;
627 }
628 return true;
629 }
630
631 /**
632 * Sends the command NOOP to the SMTP server.
633 *
634 * Implements from rfc 821: NOOP <CRLF>
635 *
636 * SMTP CODE SUCCESS: 250
637 * SMTP CODE ERROR : 500, 421
638 * @access public
639 * @return bool
640 */
641 function Noop() {
642 $this->error = null; # so no confusion is caused
643
644 if(!$this->connected()) {
645 $this->error = array(
646 "error" => "Called Noop() without being connected");
647 return false;
648 }
649
650 fputs($this->smtp_conn,"NOOP" . $this->CRLF);
651
652 $rply = $this->get_lines();
653 $code = substr($rply,0,3);
654
655 if($this->do_debug >= 2) {
656 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
657 }
658
659 if($code != 250) {
660 $this->error =
661 array("error" => "NOOP not accepted from server",
662 "smtp_code" => $code,
663 "smtp_msg" => substr($rply,4));
664 if($this->do_debug >= 1) {
665 echo "SMTP -> ERROR: " . $this->error["error"] .
666 ": " . $rply . $this->CRLF;
667 }
668 return false;
669 }
670 return true;
671 }
672
673 /**
674 * Sends the quit command to the server and then closes the socket
675 * if there is no error or the $close_on_error argument is true.
676 *
677 * Implements from rfc 821: QUIT <CRLF>
678 *
679 * SMTP CODE SUCCESS: 221
680 * SMTP CODE ERROR : 500
681 * @access public
682 * @return bool
683 */
684 function Quit($close_on_error=true) {
685 $this->error = null; # so there is no confusion
686
687 if(!$this->connected()) {
688 $this->error = array(
689 "error" => "Called Quit() without being connected");
690 return false;
691 }
692
693 # send the quit command to the server
694 fputs($this->smtp_conn,"quit" . $this->CRLF);
695
696 # get any good-bye messages
697 $byemsg = $this->get_lines();
698
699 if($this->do_debug >= 2) {
700 echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg;
701 }
702
703 $rval = true;
704 $e = null;
705
706 $code = substr($byemsg,0,3);
707 if($code != 221) {
708 # use e as a tmp var cause Close will overwrite $this->error
709 $e = array("error" => "SMTP server rejected quit command",
710 "smtp_code" => $code,
711 "smtp_rply" => substr($byemsg,4));
712 $rval = false;
713 if($this->do_debug >= 1) {
714 echo "SMTP -> ERROR: " . $e["error"] . ": " .
715 $byemsg . $this->CRLF;
716 }
717 }
718
719 if(empty($e) || $close_on_error) {
720 $this->Close();
721 }
722
723 return $rval;
724 }
725
726 /**
727 * Sends the command RCPT to the SMTP server with the TO: argument of $to.
728 * Returns true if the recipient was accepted false if it was rejected.
729 *
730 * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
731 *
732 * SMTP CODE SUCCESS: 250,251
733 * SMTP CODE FAILURE: 550,551,552,553,450,451,452
734 * SMTP CODE ERROR : 500,501,503,421
735 * @access public
736 * @return bool
737 */
738 function Recipient($to) {
739 $this->error = null; # so no confusion is caused
740
741 if(!$this->connected()) {
742 $this->error = array(
743 "error" => "Called Recipient() without being connected");
744 return false;
745 }
746
747 fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
748
749 $rply = $this->get_lines();
750 $code = substr($rply,0,3);
751
752 if($this->do_debug >= 2) {
753 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
754 }
755
756 if($code != 250 && $code != 251) {
757 $this->error =
758 array("error" => "RCPT not accepted from server",
759 "smtp_code" => $code,
760 "smtp_msg" => substr($rply,4));
761 if($this->do_debug >= 1) {
762 echo "SMTP -> ERROR: " . $this->error["error"] .
763 ": " . $rply . $this->CRLF;
764 }
765 return false;
766 }
767 return true;
768 }
769
770 /**
771 * Sends the RSET command to abort and transaction that is
772 * currently in progress. Returns true if successful false
773 * otherwise.
774 *
775 * Implements rfc 821: RSET <CRLF>
776 *
777 * SMTP CODE SUCCESS: 250
778 * SMTP CODE ERROR : 500,501,504,421
779 * @access public
780 * @return bool
781 */
782 function Reset() {
783 $this->error = null; # so no confusion is caused
784
785 if(!$this->connected()) {
786 $this->error = array(
787 "error" => "Called Reset() without being connected");
788 return false;
789 }
790
791 fputs($this->smtp_conn,"RSET" . $this->CRLF);
792
793 $rply = $this->get_lines();
794 $code = substr($rply,0,3);
795
796 if($this->do_debug >= 2) {
797 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
798 }
799
800 if($code != 250) {
801 $this->error =
802 array("error" => "RSET failed",
803 "smtp_code" => $code,
804 "smtp_msg" => substr($rply,4));
805 if($this->do_debug >= 1) {
806 echo "SMTP -> ERROR: " . $this->error["error"] .
807 ": " . $rply . $this->CRLF;
808 }
809 return false;
810 }
811
812 return true;
813 }
814
815 /**
816 * Starts a mail transaction from the email address specified in
817 * $from. Returns true if successful or false otherwise. If True
818 * the mail transaction is started and then one or more Recipient
819 * commands may be called followed by a Data command. This command
820 * will send the message to the users terminal if they are logged
821 * in.
822 *
823 * Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
824 *
825 * SMTP CODE SUCCESS: 250
826 * SMTP CODE SUCCESS: 552,451,452
827 * SMTP CODE SUCCESS: 500,501,502,421
828 * @access public
829 * @return bool
830 */
831 function Send($from) {
832 $this->error = null; # so no confusion is caused
833
834 if(!$this->connected()) {
835 $this->error = array(
836 "error" => "Called Send() without being connected");
837 return false;
838 }
839
840 fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
841
842 $rply = $this->get_lines();
843 $code = substr($rply,0,3);
844
845 if($this->do_debug >= 2) {
846 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
847 }
848
849 if($code != 250) {
850 $this->error =
851 array("error" => "SEND not accepted from server",
852 "smtp_code" => $code,
853 "smtp_msg" => substr($rply,4));
854 if($this->do_debug >= 1) {
855 echo "SMTP -> ERROR: " . $this->error["error"] .
856 ": " . $rply . $this->CRLF;
857 }
858 return false;
859 }
860 return true;
861 }
862
863 /**
864 * Starts a mail transaction from the email address specified in
865 * $from. Returns true if successful or false otherwise. If True
866 * the mail transaction is started and then one or more Recipient
867 * commands may be called followed by a Data command. This command
868 * will send the message to the users terminal if they are logged
869 * in and send them an email.
870 *
871 * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
872 *
873 * SMTP CODE SUCCESS: 250
874 * SMTP CODE SUCCESS: 552,451,452
875 * SMTP CODE SUCCESS: 500,501,502,421
876 * @access public
877 * @return bool
878 */
879 function SendAndMail($from) {
880 $this->error = null; # so no confusion is caused
881
882 if(!$this->connected()) {
883 $this->error = array(
884 "error" => "Called SendAndMail() without being connected");
885 return false;
886 }
887
888 fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
889
890 $rply = $this->get_lines();
891 $code = substr($rply,0,3);
892
893 if($this->do_debug >= 2) {
894 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
895 }
896
897 if($code != 250) {
898 $this->error =
899 array("error" => "SAML not accepted from server",
900 "smtp_code" => $code,
901 "smtp_msg" => substr($rply,4));
902 if($this->do_debug >= 1) {
903 echo "SMTP -> ERROR: " . $this->error["error"] .
904 ": " . $rply . $this->CRLF;
905 }
906 return false;
907 }
908 return true;
909 }
910
911 /**
912 * Starts a mail transaction from the email address specified in
913 * $from. Returns true if successful or false otherwise. If True
914 * the mail transaction is started and then one or more Recipient
915 * commands may be called followed by a Data command. This command
916 * will send the message to the users terminal if they are logged
917 * in or mail it to them if they are not.
918 *
919 * Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
920 *
921 * SMTP CODE SUCCESS: 250
922 * SMTP CODE SUCCESS: 552,451,452
923 * SMTP CODE SUCCESS: 500,501,502,421
924 * @access public
925 * @return bool
926 */
927 function SendOrMail($from) {
928 $this->error = null; # so no confusion is caused
929
930 if(!$this->connected()) {
931 $this->error = array(
932 "error" => "Called SendOrMail() without being connected");
933 return false;
934 }
935
936 fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
937
938 $rply = $this->get_lines();
939 $code = substr($rply,0,3);
940
941 if($this->do_debug >= 2) {
942 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
943 }
944
945 if($code != 250) {
946 $this->error =
947 array("error" => "SOML not accepted from server",
948 "smtp_code" => $code,
949 "smtp_msg" => substr($rply,4));
950 if($this->do_debug >= 1) {
951 echo "SMTP -> ERROR: " . $this->error["error"] .
952 ": " . $rply . $this->CRLF;
953 }
954 return false;
955 }
956 return true;
957 }
958
959 /**
960 * This is an optional command for SMTP that this class does not
961 * support. This method is here to make the RFC821 Definition
962 * complete for this class and __may__ be implimented in the future
963 *
964 * Implements from rfc 821: TURN <CRLF>
965 *
966 * SMTP CODE SUCCESS: 250
967 * SMTP CODE FAILURE: 502
968 * SMTP CODE ERROR : 500, 503
969 * @access public
970 * @return bool
971 */
972 function Turn() {
973 $this->error = array("error" => "This method, TURN, of the SMTP ".
974 "is not implemented");
975 if($this->do_debug >= 1) {
976 echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;
977 }
978 return false;
979 }
980
981 /**
982 * Verifies that the name is recognized by the server.
983 * Returns false if the name could not be verified otherwise
984 * the response from the server is returned.
985 *
986 * Implements rfc 821: VRFY <SP> <string> <CRLF>
987 *
988 * SMTP CODE SUCCESS: 250,251
989 * SMTP CODE FAILURE: 550,551,553
990 * SMTP CODE ERROR : 500,501,502,421
991 * @access public
992 * @return int
993 */
994 function Verify($name) {
995 $this->error = null; # so no confusion is caused
996
997 if(!$this->connected()) {
998 $this->error = array(
999 "error" => "Called Verify() without being connected");
1000 return false;
1001 }
1002
1003 fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
1004
1005 $rply = $this->get_lines();
1006 $code = substr($rply,0,3);
1007
1008 if($this->do_debug >= 2) {
1009 echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
1010 }
1011
1012 if($code != 250 && $code != 251) {
1013 $this->error =
1014 array("error" => "VRFY failed on name '$name'",
1015 "smtp_code" => $code,
1016 "smtp_msg" => substr($rply,4));
1017 if($this->do_debug >= 1) {
1018 echo "SMTP -> ERROR: " . $this->error["error"] .
1019 ": " . $rply . $this->CRLF;
1020 }
1021 return false;
1022 }
1023 return $rply;
1024 }
1025
1026 /*******************************************************************
1027 * INTERNAL FUNCTIONS *
1028 ******************************************************************/
1029
1030 /**
1031 * Read in as many lines as possible
1032 * either before eof or socket timeout occurs on the operation.
1033 * With SMTP we can tell if we have more lines to read if the
1034 * 4th character is '-' symbol. If it is a space then we don't
1035 * need to read anything else.
1036 * @access private
1037 * @return string
1038 */
1039 function get_lines() {
1040 $data = "";
1041 while($str = @fgets($this->smtp_conn,515)) {
1042 if($this->do_debug >= 4) {
1043 echo "SMTP -> get_lines(): \$data was \"$data\"" .
1044 $this->CRLF;
1045 echo "SMTP -> get_lines(): \$str is \"$str\"" .
1046 $this->CRLF;
1047 }
1048 $data .= $str;
1049 if($this->do_debug >= 4) {
1050 echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;
1051 }
1052 # if the 4th character is a space then we are done reading
1053 # so just break the loop
1054 if(substr($str,3,1) == " ") { break; }
1055 }
1056 return $data;
1057 }
1058
1059}
1060
1061
1062 ?>
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