SMTP backend for the Deliver class
[squirrelmail.git] / class / deliver / Deliver_SMTP.class.php
CommitLineData
e1ee60fe 1<?php
2
3require_once('Deliver.class.php');
4
5class Deliver_SMTP extends Deliver {
6
5fe73b9f 7 function preWriteToStream(&$s) {
8 if ($s) {
9 if ($s{0} == '.') $s = '.' . $s;
10 $s = str_replace("\n.","\n..",$s);
11 }
12 }
13
14 function initStream($message, $domain, $length=0, $host='', $port='', $user='', $pass='', $authpop=false) {
15
16 if ($authpop) {
17 $this->authPop($host, '', $user, $pass);
18 }
19
20 $rfc822_header = $message->rfc822_header;
21 $from = $rfc822_header->from[0];
22 $to = $rfc822_header->to;
23 $cc = $rfc822_header->cc;
24 $bcc = $rfc822_header->bcc;
25
26 $stream = fsockopen($host, $port, $errorNumber, $errorString);
27 if (!$stream) {
28 $this->dlv_msg = $errorString;
29 $this->dlv_ret_nr = $errorNumber;
30 return(0);
31 }
32 $tmp = fgets($stream, 1024);
33 if ($this->errorCheck($tmp, $stream)) {
34 return(0);
35 }
36
37 /* Lets introduce ourselves */
38 if (! isset ($use_authenticated_smtp)
39 || $use_authenticated_smtp == false) {
40 fputs($stream, "HELO $domain\r\n");
41 $tmp = fgets($stream, 1024);
42 if ($this->errorCheck($tmp, $stream)) {
43 return(0);
44 }
45 } else {
46 fputs($stream, "EHLO $domain\r\n");
47 $tmp = fgets($stream, 1024);
48 if ($this->errorCheck($tmp, $stream)) {
49 return(0);
50 }
51 fputs($stream, "AUTH LOGIN\r\n");
52 $tmp = fgets($stream, 1024);
53
54 if ($this->errorCheck($tmp, $stream)) {
55 return(0);
56 }
57 fputs($stream, base64_encode ($user) . "\r\n");
58 $tmp = fgets($stream, 1024);
59 if ($this->errorCheck($tmp, $stream)) {
60 return(0);
61 }
62
63 fputs($stream, base64_encode($pass) . "\r\n");
64 $tmp = fgets($stream, 1024);
65 if ($this->errorCheck($tmp, $stream)) {
66 return(0);
67 }
68 }
69
70 /* Ok, who is sending the message? */
71 fputs($stream, 'MAIL FROM: <'.$from->mailbox.'@'.$from->host.">\r\n");
72 $tmp = fgets($stream, 1024);
73 if ($this->errorCheck($tmp, $stream)) {
74 return(0);
75 }
76
77 /* send who the recipients are */
78 for ($i = 0, $cnt = count($to); $i < $cnt; $i++) {
79 if (!$to[$i]->host) $to[$i]->host = $domain;
80 fputs($stream, 'RCPT TO: <'.$to[$i]->mailbox.'@'.$to[$i]->host.">\r\n");
81 $tmp = fgets($stream, 1024);
82 if ($this->errorCheck($tmp, $stream)) {
83 return(0);
84 }
85 }
86 for ($i = 0, $cnt = count($cc); $i < $cnt; $i++) {
87 if (!$cc[$i]->host) $cc[$i]->host = $domain;
88 fputs($stream, 'RCPT TO: <'.$cc[$i]->mailbox.'@'.$cc[$i]->host.">\r\n");
89 $tmp = fgets($stream, 1024);
90 if ($this->errorCheck($tmp, $stream)) {
91 return(0);
92 }
93 }
94 for ($i = 0, $cnt = count($bcc); $i < $cnt; $i++) {
95 if (!$bcc[$i]->host) $bcc[$i]->host = $domain;
96 fputs($stream, 'RCPT TO: <'.$bcc[$i]->mailbox.'@'.$bcc[$i]->host.">\r\n");
97 $tmp = fgets($stream, 1024);
98 if ($this->errorCheck($tmp, $stream)) {
99 return(0);
100 }
101 }
102 /* Lets start sending the actual message */
103 fputs($stream, "DATA\r\n");
104 $tmp = fgets($stream, 1024);
105 if ($this->errorCheck($tmp, $stream)) {
106 return(0);
107 }
108 return $stream;
109 }
110
111 function finalizeStream($stream) {
112 fputs($stream, ".\r\n"); /* end the DATA part */
113 $tmp = fgets($stream, 1024);
114 $this->errorCheck($tmp, $stream);
115 if ($this->dlv_ret_nr != 250) {
116 return(0);
117 }
118 fputs($stream, "QUIT\r\n"); /* log off */
119 fclose($stream);
120 return true;
121 }
122
123 function errorCheck($line, $smtpConnection) {
124 global $color, $compose_new_win;
125
126 /* Read new lines on a multiline response */
127 $lines = $line;
128 while(ereg("^[0-9]+-", $line)) {
129 $line = fgets($smtpConnection, 1024);
130 $lines .= $line;
131 }
132 /* Status: 0 = fatal
133 * 5 = ok
134 */
135 $err_num = substr($line, 0, strpos($line, " "));
136 switch ($err_num) {
137 case 500: $message = 'Syntax error; command not recognized';
138 $status = 0;
139 break;
140 case 501: $message = 'Syntax error in parameters or arguments';
141 $status = 0;
142 break;
143 case 502: $message = 'Command not implemented';
144 $status = 0;
145 break;
146 case 503: $message = 'Bad sequence of commands';
147 $status = 0;
148 break;
149 case 504: $message = 'Command parameter not implemented';
150 $status = 0;
151 break;
152 case 211: $message = 'System status, or system help reply';
153 $status = 5;
154 break;
155 case 214: $message = 'Help message';
156 $status = 5;
157 break;
158 case 220: $message = 'Service ready';
159 $status = 5;
160 break;
161 case 221: $message = 'Service closing transmission channel';
162 $status = 5;
163 break;
164 case 421: $message = 'Service not available, closing chanel';
165 $status = 0;
166 break;
167 case 235: return(5);
168 break;
169 case 250: $message = 'Requested mail action okay, completed';
170 $status = 5;
171 break;
172 case 251: $message = 'User not local; will forward';
173 $status = 5;
174 break;
175 case 334: return(5); break;
176 case 450: $message = 'Requested mail action not taken: mailbox unavailable';
177 $status = 0;
178 break;
179 case 550: $message = 'Requested action not taken: mailbox unavailable';
180 $status = 0;
181 break;
182 case 451: $message = 'Requested action aborted: error in processing';
183 $status = 0;
184 break;
185 case 551: $message = 'User not local; please try forwarding';
186 $status = 0;
187 break;
188 case 452: $message = 'Requested action not taken: insufficient system storage';
189 $status = 0;
190 break;
191 case 552: $message = 'Requested mail action aborted: exceeding storage allocation';
192 $status = 0;
193 break;
194 case 553: $message = 'Requested action not taken: mailbox name not allowed';
195 $status = 0;
196 break;
197 case 354: $message = 'Start mail input; end with .';
198 $status = 5;
199 break;
200 case 554: $message = 'Transaction failed';
201 $status = 0;
202 break;
203 /* RFC 2554 */
204 case 432: $message = 'A password transition is needed';
205 $status = 0;
206 break;
207 case 534: $message = 'Authentication mechanism is too weak';
208 $status = 0;
209 break;
210 case 538: $message = 'Encryption required for requested authentication mechanism';
211 $status = 0;
212 break;
213 case 454: $message = 'Temmporary authentication failure';
214 $status = 0;
215 break;
216 case 530: $message = 'Authentication required';
217 $status = 0;
218 break;
219 /* end RFC2554 */
220 default: $message = 'Unknown response: '. nl2br(htmlspecialchars($lines));
221 $status = 0;
222 $err_num = '001';
223 break;
224 }
225 $this->dlv_ret_nr = $err_num;
226 $this->dlv_msg = $message;
227 if ($status == 5) {
228 return false;
229 }
230 return true;
231 }
232
233 function authPop($pop_server='', $pop_port='', $user, $pass) {
234 if (!$pop_port) {
235 $pop_port = 110;
236 }
237 if (!$pop_server) {
238 $pop_server = 'localhost';
239 }
240 $popConnection = fsockopen($pop_server, $pop_port, $err_no, $err_str);
241 if (!$popConnection) {
242 error_log("Error connecting to POP Server ($pop_server:$pop_port)"
243 . " $err_no : $err_str");
244 } else {
245 $tmp = fgets($popConnection, 1024); /* banner */
246 if (!eregi("^\+OK", $tmp, $regs)) {
247 return(0);
248 }
249 fputs($popConnection, "USER $user\r\n");
250 $tmp = fgets($popConnection, 1024);
251 if (!eregi("^\+OK", $tmp, $regs)) {
252 return(0);
253 }
254 fputs($popConnection, 'PASS ' . $pass . "\r\n");
255 $tmp = fgets($popConnection, 1024);
256 if (!eregi("^\+OK", $tmp, $regs)) {
257 return(0);
258 }
259 fputs($popConnection, "QUIT\r\n"); /* log off */
260 fclose($popConnection);
261 }
262 }
e1ee60fe 263}
5fe73b9f 264
e1ee60fe 265?>