4960ec8e |
1 | <?php |
2 | |
69298c28 |
3 | /** |
4 | * Deliver.class.php |
5 | * |
6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * This contains all the functions needed to send messages through |
10 | * a delivery backend. |
11 | * |
12 | * $Id$ |
13 | */ |
14 | |
4960ec8e |
15 | class Deliver { |
16 | |
59387d1c |
17 | function mail($message, $stream=false) { |
3b53d87f |
18 | $rfc822_header = $message->rfc822_header; |
19 | if (count($message->entities)) { |
59387d1c |
20 | $boundary = $this->mimeBoundary(); |
1274f430 |
21 | $rfc822_header->content_type->properties['boundary']='"'.$boundary.'"'; |
3b53d87f |
22 | } else { |
23 | $boundary=''; |
24 | } |
75b14a70 |
25 | $raw_length = 0; |
1274f430 |
26 | $reply_rfc822_header = (isset($message->reply_rfc822_header) |
27 | ? $message->reply_rfc822_header : ''); |
75b14a70 |
28 | $header = $this->prepareRFC822_Header($rfc822_header, $reply_rfc822_header, $raw_length); |
29 | |
3b53d87f |
30 | if ($stream) { |
59387d1c |
31 | $this->preWriteToStream($header); |
32 | $this->writeToStream($stream, $header); |
3b53d87f |
33 | } |
59387d1c |
34 | $this->writeBody($message, $stream, $raw_length, $boundary); |
3b53d87f |
35 | return $raw_length; |
36 | } |
37 | |
38 | function writeBody($message, $stream, &$length_raw, $boundary='') { |
1274f430 |
39 | if ($boundary && !$message->rfc822_header) { |
3b53d87f |
40 | $s = '--'.$boundary."\r\n"; |
41 | $s .= $this->prepareMIME_Header($message, $boundary); |
42 | $length_raw += strlen($s); |
43 | if ($stream) { |
44 | $this->preWriteToStream($s); |
45 | $this->writeToStream($stream, $s); |
46 | } |
47 | } |
59387d1c |
48 | $this->writeBodyPart($message, $stream, $length_raw); |
3b53d87f |
49 | $boundary_depth = substr_count($message->entity_id,'.'); |
50 | if ($boundary_depth) { |
51 | $boundary .= '_part'.$boundary_depth; |
52 | } |
1274f430 |
53 | $last = false; |
3b53d87f |
54 | for ($i=0, $entCount=count($message->entities);$i<$entCount;$i++) { |
59387d1c |
55 | $msg = $this->writeBody($message->entities[$i], $stream, $length_raw, $boundary); |
1274f430 |
56 | if ($i == $entCount-1) $last = true; |
3b53d87f |
57 | } |
1274f430 |
58 | if ($boundary && $last) { |
252737e1 |
59 | $s = "--".$boundary."--\r\n\r\n"; |
3b53d87f |
60 | $length_raw += strlen($s); |
61 | if ($stream) { |
62 | $this->preWriteToStream($s); |
63 | $this->writeToStream($stream, $s); |
64 | } |
65 | } |
66 | } |
67 | |
68 | function writeBodyPart($message, $stream, &$length) { |
1274f430 |
69 | if ($message->mime_header) { |
70 | $type0 = $message->mime_header->type0; |
71 | } else { |
72 | $type0 = $message->rfc822_header->content_type->type0; |
73 | } |
252737e1 |
74 | |
75 | $body_part_trailing = $last = ''; |
1274f430 |
76 | switch ($type0) { |
3b53d87f |
77 | case 'text': |
78 | case 'message': |
79 | if ($message->body_part) { |
80 | $body_part = $message->body_part; |
81 | $length += $this->clean_crlf($body_part); |
82 | if ($stream) { |
83 | $this->preWriteToStream($body_part); |
59387d1c |
84 | $this->writeToStream($stream, $body_part); |
3b53d87f |
85 | } |
252737e1 |
86 | $last = $body_part; |
3b53d87f |
87 | } elseif ($message->att_local_name) { |
88 | $filename = $message->att_local_name; |
89 | $file = fopen ($filename, 'rb'); |
252737e1 |
90 | while ($body_part = fgets($file, 4096)) { |
91 | $length += $this->clean_crlf($body_part); |
3b53d87f |
92 | if ($stream) { |
252737e1 |
93 | $this->preWriteToStream($body_part); |
94 | $this->writeToStream($stream, $body_part); |
59387d1c |
95 | } |
252737e1 |
96 | $last = $body_part; |
3b53d87f |
97 | } |
98 | fclose($file); |
99 | } |
100 | break; |
101 | default: |
102 | if ($message->body_part) { |
103 | $body_part = $message->body_part; |
104 | $length += $this->clean_crlf($body_part); |
105 | if ($stream) { |
59387d1c |
106 | $this->writeToStream($stream, $body_part); |
59387d1c |
107 | } |
3b53d87f |
108 | } elseif ($message->att_local_name) { |
109 | $filename = $message->att_local_name; |
110 | $file = fopen ($filename, 'rb'); |
252737e1 |
111 | $encoded = ''; |
1274f430 |
112 | while ($tmp = fread($file, 570)) { |
252737e1 |
113 | $body_part = chunk_split(base64_encode($tmp)); |
114 | $length += $this->clean_crlf($body_part); |
3b53d87f |
115 | if ($stream) { |
252737e1 |
116 | $this->writeToStream($stream, $body_part); |
3b53d87f |
117 | } |
118 | } |
119 | fclose($file); |
120 | } |
121 | break; |
122 | } |
252737e1 |
123 | $body_part_trailing = ''; |
124 | if ($last && substr($last,-1) != "\n") { |
125 | $body_part_trailing = "\r\n"; |
126 | } |
127 | if ($body_part_trailing) { |
128 | $length += strlen($body_part_trailing); |
129 | if ($stream) { |
130 | $this->preWriteToStream($body_part_trailing); |
131 | $this->writeToStream($stream, $body_part_trailing); |
132 | } |
1274f430 |
133 | } |
3b53d87f |
134 | } |
135 | |
69298c28 |
136 | function clean_crlf(&$s) { |
3b53d87f |
137 | $s = str_replace("\r\n", "\n", $s); |
138 | $s = str_replace("\r", "\n", $s); |
139 | $s = str_replace("\n", "\r\n", $s); |
140 | return strlen($s); |
141 | } |
142 | |
69298c28 |
143 | function preWriteToStream(&$s) { |
3b53d87f |
144 | } |
145 | |
146 | function writeToStream($stream, $data) { |
1274f430 |
147 | fputs($stream, $data); |
3b53d87f |
148 | } |
149 | |
150 | function initStream($message, $length=0, $host='', $port='', $user='', $pass='') { |
151 | return $stream; |
152 | } |
59387d1c |
153 | |
0dab3bfb |
154 | function getBcc() { |
59387d1c |
155 | return false; |
156 | } |
3b53d87f |
157 | |
158 | function prepareMIME_Header($message, $boundary) { |
59387d1c |
159 | $mime_header = $message->mime_header; |
160 | $rn="\r\n"; |
4960ec8e |
161 | $header = array(); |
3b53d87f |
162 | |
59387d1c |
163 | $contenttype = 'Content-Type: '. $mime_header->type0 .'/'. |
164 | $mime_header->type1; |
3b53d87f |
165 | if (count($message->entities)) { |
166 | $contenttype .= ";\r\n " . 'boundary="'.$boundary.'"'; |
167 | } |
4960ec8e |
168 | if (isset($mime_header->parameters['name'])) { |
1274f430 |
169 | $contenttype .= '; name="'. |
4960ec8e |
170 | encodeHeader($mime_header->parameters['name']). '"'; |
171 | } |
1274f430 |
172 | if (isset($mime_header->parameters['charset'])) { |
173 | $charset = $mime_header->parameters['charset']; |
174 | $contenttype .= '; charset="'. |
175 | encodeHeader($charset). '"'; |
176 | } |
177 | |
178 | |
4960ec8e |
179 | $header[] = $contenttype . $rn; |
180 | if ($mime_header->description) { |
181 | $header[] .= 'Content-Description: ' . $mime_header->description . $rn; |
182 | } |
183 | if ($mime_header->encoding) { |
1274f430 |
184 | $encoding = $mime_header->encoding; |
4960ec8e |
185 | $header[] .= 'Content-Transfer-Encoding: ' . $mime_header->encoding . $rn; |
1274f430 |
186 | } else { |
187 | if ($mime_header->type0 == 'text' || $mime_header->type0 == 'message') { |
188 | $header[] .= 'Content-Transfer-Encoding: 8bit' . $rn; |
189 | } else { |
190 | $header[] .= 'Content-Transfer-Encoding: base64' . $rn; |
191 | } |
4960ec8e |
192 | } |
193 | if ($mime_header->id) { |
194 | $header[] .= 'Content-ID: ' . $mime_header->id . $rn; |
195 | } |
196 | if ($mime_header->disposition) { |
1274f430 |
197 | $disposition = $mime_header->disposition; |
198 | $contentdisp = 'Content-Disposition: ' . $disposition->name; |
199 | if ($disposition->getProperty('filename')) { |
200 | $contentdisp .= '; filename="'. |
201 | encodeHeader($disposition->getProperty('filename')). '"'; |
4960ec8e |
202 | } |
203 | $header[] = $contentdisp . $rn; |
204 | } |
205 | if ($mime_header->md5) { |
206 | $header[] .= 'Content-MD5: ' . $mime_header->md5 . $rn; |
207 | } |
208 | if ($mime_header->language) { |
209 | $header[] .= 'Content-Language: ' . $mime_header->language . $rn; |
210 | } |
211 | |
212 | $cnt = count($header); |
213 | $hdr_s = ''; |
214 | for ($i = 0 ; $i < $cnt ; $i++) { |
75b14a70 |
215 | $hdr_s .= $this->foldLine($header[$i], 78,str_pad('',4)); |
4960ec8e |
216 | } |
217 | $header = $hdr_s; |
3b53d87f |
218 | $header .= $rn; /* One blank line to separate mimeheader and body-entity */ |
219 | return $header; |
4960ec8e |
220 | } |
221 | |
75b14a70 |
222 | function prepareRFC822_Header($rfc822_header, $reply_rfc822_header, &$raw_length) { |
88a51841 |
223 | $REMOTE_ADDR = $_SERVER['REMOTE_ADDR']; |
224 | $SERVER_NAME = $_SERVER['SERVER_NAME']; |
225 | $REMOTE_PORT = $_SERVER['REMOTE_PORT']; |
226 | if(isset($_SERVER['REMOTE_HOST'])) { |
227 | $REMOTE_HOST = $_SERVER['REMOTE_HOST']; |
228 | } |
229 | if(isset($_SERVER['HTTP_VIA'])) { |
230 | $HTTP_VIA = $_SERVER['HTTP_VIA']; |
231 | } |
232 | if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
233 | $HTTP_X_FORWARDED_FOR = $_SERVER['HTTP_X_FORWARDED_FOR']; |
234 | } |
235 | global $version, $username; |
59387d1c |
236 | $rn = "\r\n"; |
4960ec8e |
237 | /* This creates an RFC 822 date */ |
59387d1c |
238 | $date = date("D, j M Y H:i:s ", mktime()) . $this->timezone(); |
4960ec8e |
239 | /* Create a message-id */ |
240 | $message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.'; |
241 | $message_id .= time() . '.squirrel@' . $SERVER_NAME .'>'; |
242 | /* Make an RFC822 Received: line */ |
59387d1c |
243 | if (isset($REMOTE_HOST)) { |
244 | $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])"; |
245 | } else { |
246 | $received_from = $REMOTE_ADDR; |
247 | } |
248 | if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) { |
249 | if ($HTTP_X_FORWARDED_FOR == '') { |
250 | $HTTP_X_FORWARDED_FOR = 'unknown'; |
251 | } |
252 | $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)"; |
253 | } |
254 | $header = array(); |
255 | $header[] = "Received: from $received_from" . $rn; |
256 | $header[] = " (SquirrelMail authenticated user $username)" . $rn; |
257 | $header[] = " by $SERVER_NAME with HTTP;" . $rn; |
258 | $header[] = " $date" . $rn; |
259 | /* Insert the rest of the header fields */ |
260 | $header[] = 'Message-ID: '. $message_id . $rn; |
1274f430 |
261 | if ($reply_rfc822_header->message_id) { |
262 | $header[] = 'In-Reply-To: '.$reply_rfc822_header->message_id . $rn; |
263 | $references = $this->calculate_references($reply_rfc822_header); |
59387d1c |
264 | $header[] = 'References: '.$references . $rn; |
265 | } |
266 | $header[] = "Date: $date" . $rn; |
267 | $header[] = 'Subject: '.encodeHeader($rfc822_header->subject) . $rn; |
268 | $header[] = 'From: '. encodeHeader($rfc822_header->getAddr_s('from')) . $rn; |
269 | /* RFC2822 if from contains more then 1 address */ |
270 | if (count($rfc822_header->from) > 1) { |
271 | $header[] = 'Sender: '. encodeHeader($rfc822_header->getAddr_s('sender')) . $rn; |
272 | } |
75b14a70 |
273 | if (count($rfc822_header->to)) { |
274 | $header[] = 'To: '. encodeHeader($rfc822_header->getAddr_s('to')) . $rn; |
275 | } |
59387d1c |
276 | if (count($rfc822_header->cc)) { |
277 | $header[] = 'Cc: '. encodeHeader($rfc822_header->getAddr_s('cc')) . $rn; |
278 | } |
279 | if (count($rfc822_header->reply_to)) { |
280 | $header[] = 'Reply-To: '. encodeHeader($rfc822_header->getAddr_s('reply_to')) . $rn; |
281 | } |
282 | /* Sendmail should return true. Default = false */ |
1274f430 |
283 | $bcc = $this->getBcc(); |
75b14a70 |
284 | if (count($rfc822_header->bcc)) { |
285 | $s = 'Bcc: '. encodeHeader($rfc822_header->getAddr_s('bcc')) . $rn; |
286 | if (!$bcc) { |
287 | $s = $this->foldLine($s, 78, str_pad('',4)); |
288 | $raw_length += strlen($s); |
289 | } else { |
290 | $header[] = $s; |
291 | } |
59387d1c |
292 | } |
293 | /* Identify SquirrelMail */ |
294 | $header[] = "X-Mailer: SquirrelMail (version $version)" . $rn; |
295 | /* Do the MIME-stuff */ |
296 | $header[] = "MIME-Version: 1.0" . $rn; |
297 | $contenttype = 'Content-Type: '. $rfc822_header->content_type->type0 .'/'. |
298 | $rfc822_header->content_type->type1; |
299 | if (count($rfc822_header->content_type->properties)) { |
1274f430 |
300 | foreach ($rfc822_header->content_type->properties as $k => $v) { |
301 | if ($k && $v) { |
302 | $contenttype .= ';' .$k.'='.$v; |
303 | } |
59387d1c |
304 | } |
305 | } |
306 | $header[] = $contenttype . $rn; |
307 | if ($rfc822_header->dnt) { |
308 | $dnt = $rfc822_header->getAddr_s('dnt'); |
309 | /* Pegasus Mail */ |
310 | $header[] = 'X-Confirm-Reading-To: '.$dnt. $rn; |
311 | /* RFC 2298 */ |
312 | $header[] = 'Disposition-Notification-To: '.$dnt. $rn; |
313 | } |
314 | if ($rfc822_header->priority) { |
315 | $prio = $rfc822_header->priority; |
316 | $header[] = 'X-Priority: '.$prio. $rn; |
317 | switch($prio) { |
318 | case 1: $header[] = 'Importance: High'. $rn; break; |
319 | case 3: $header[] = 'Importance: Normal'. $rn; break; |
320 | case 5: $header[] = 'Importance: Low'. $rn; break; |
321 | default: break; |
322 | } |
323 | } |
324 | /* Insert headers from the $more_headers array */ |
325 | if(count($rfc822_header->more_headers)) { |
326 | reset($rfc822_header->more_headers); |
327 | foreach ($rfc822_header->more_headers as $k => $v) { |
328 | $header[] = $k.': '.$v .$rn; |
329 | } |
330 | } |
331 | $cnt = count($header); |
332 | $hdr_s = ''; |
333 | for ($i = 0 ; $i < $cnt ; $i++) { |
75b14a70 |
334 | $hdr_s .= $this->foldLine($header[$i], 78, str_pad('',4)); |
59387d1c |
335 | } |
336 | $header = $hdr_s; |
337 | $header .= $rn; /* One blank line to separate header and body */ |
75b14a70 |
338 | $raw_length += strlen($header); |
59387d1c |
339 | return $header; |
4960ec8e |
340 | } |
341 | |
342 | /* |
343 | * function for cleanly folding of headerlines |
344 | */ |
1274f430 |
345 | function foldLine($line, $length, $pre='') { |
346 | $cnt = strlen($line); |
347 | $res = ''; |
348 | if ($cnt > $length) { |
349 | $fold_string = "\r\n " . $pre; |
350 | $length -=strlen($fold_string); |
351 | for ($i=0;$i<($cnt-$length);$i++) { |
352 | $fold_pos = 0; |
353 | /* first try to fold at delimiters */ |
354 | for ($j=($i+$length); $j>$i; --$j) { |
355 | switch ($line{$j}) { |
356 | case (','): |
357 | case (';'): $fold_pos = $i = $j; break; |
358 | default: break; |
359 | } |
4960ec8e |
360 | } |
1274f430 |
361 | if (!$fold_pos) { /* not succeed yet so we try at spaces & = */ |
362 | for ($j=($i+$length); $j>$i; $j--) { |
363 | switch ($line{$j}) { |
364 | case (' '): |
365 | case ('='): $fold_pos = $i = $j; break; |
366 | default: break; |
367 | } |
368 | } |
369 | } |
370 | if (!$fold_pos) { /* clean folding didn't work */ |
371 | $i = $j = $fold_pos = $i+$length; |
372 | } |
373 | $line = substr_replace($line,$line{$fold_pos}.$fold_string, |
374 | $fold_pos,1); |
375 | $cnt += strlen($fold_string); |
376 | $i = $j + strlen($fold_string); |
377 | } |
378 | } |
379 | return $line; |
4960ec8e |
380 | } |
3b53d87f |
381 | |
3b53d87f |
382 | |
59387d1c |
383 | function mimeBoundary () { |
384 | static $mimeBoundaryString; |
3b53d87f |
385 | |
59387d1c |
386 | if ( !isset( $mimeBoundaryString ) || |
387 | $mimeBoundaryString == '') { |
388 | $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' . |
389 | mt_rand( 10000, 99999 ); |
390 | } |
391 | return $mimeBoundaryString; |
3b53d87f |
392 | } |
393 | |
59387d1c |
394 | /* Time offset for correct timezone */ |
395 | function timezone () { |
396 | global $invert_time; |
3b53d87f |
397 | |
59387d1c |
398 | $diff_second = date('Z'); |
399 | if ($invert_time) { |
400 | $diff_second = - $diff_second; |
401 | } |
402 | if ($diff_second > 0) { |
403 | $sign = '+'; |
404 | } else { |
405 | $sign = '-'; |
406 | } |
407 | $diff_second = abs($diff_second); |
408 | $diff_hour = floor ($diff_second / 3600); |
409 | $diff_minute = floor (($diff_second-3600*$diff_hour) / 60); |
410 | $zonename = '('.strftime('%Z').')'; |
411 | $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute, |
3b53d87f |
412 | $zonename); |
59387d1c |
413 | return ($result); |
414 | } |
3b53d87f |
415 | |
1274f430 |
416 | function calculate_references($hdr) { |
417 | $refer = $hdr->references; |
59387d1c |
418 | if (strlen($refer) > 2) { |
1274f430 |
419 | $refer .= ' ' . $hdr->message_id; |
59387d1c |
420 | } else { |
1274f430 |
421 | if ($hdr->in_reply_to) { |
422 | $refer .= $hdr->in_reply_to . ' ' . $hdr->message_id; |
59387d1c |
423 | } else { |
1274f430 |
424 | $refer .= $hdr->message_id; |
59387d1c |
425 | } |
426 | } |
427 | trim($refer); |
428 | return $refer; |
429 | } |
430 | } |
4960ec8e |
431 | ?> |