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 | |
19 | $rfc822_header = $message->rfc822_header; |
20 | if (count($message->entities)) { |
59387d1c |
21 | $boundary = $this->mimeBoundary(); |
3b53d87f |
22 | $rfc822_header->contenttype->properties['boundary']=$boundary; |
23 | } else { |
24 | $boundary=''; |
25 | } |
59387d1c |
26 | $header = $this->prepareRFC822_Header($rfc822_header); |
3b53d87f |
27 | $raw_length = strlen($header); |
28 | if ($stream) { |
59387d1c |
29 | $this->preWriteToStream($header); |
30 | $this->writeToStream($stream, $header); |
31 | } else { |
32 | /* DEBUG */ |
33 | $out = htmlspecialchars($header); |
34 | $out = str_replace("\r\n",'<BR>',$out); |
35 | echo $out; |
3b53d87f |
36 | } |
59387d1c |
37 | $this->writeBody($message, $stream, $raw_length, $boundary); |
38 | exit; |
3b53d87f |
39 | return $raw_length; |
59387d1c |
40 | |
3b53d87f |
41 | } |
42 | |
43 | function writeBody($message, $stream, &$length_raw, $boundary='') { |
44 | if ($boundary) { |
45 | $s = '--'.$boundary."\r\n"; |
46 | $s .= $this->prepareMIME_Header($message, $boundary); |
47 | $length_raw += strlen($s); |
48 | if ($stream) { |
49 | $this->preWriteToStream($s); |
50 | $this->writeToStream($stream, $s); |
51 | } |
52 | } |
59387d1c |
53 | $this->writeBodyPart($message, $stream, $length_raw); |
3b53d87f |
54 | $boundary_depth = substr_count($message->entity_id,'.'); |
55 | if ($boundary_depth) { |
56 | $boundary .= '_part'.$boundary_depth; |
57 | } |
58 | for ($i=0, $entCount=count($message->entities);$i<$entCount;$i++) { |
59387d1c |
59 | $msg = $this->writeBody($message->entities[$i], $stream, $length_raw, $boundary); |
3b53d87f |
60 | } |
61 | if ($boundary) { |
62 | $s = '--'.$boundary."--\r\n"; |
63 | $length_raw += strlen($s); |
64 | if ($stream) { |
65 | $this->preWriteToStream($s); |
66 | $this->writeToStream($stream, $s); |
67 | } |
68 | } |
69 | } |
70 | |
71 | function writeBodyPart($message, $stream, &$length) { |
3b53d87f |
72 | switch ($message->type0) { |
73 | case 'text': |
74 | case 'message': |
75 | if ($message->body_part) { |
76 | $body_part = $message->body_part; |
77 | $length += $this->clean_crlf($body_part); |
78 | if ($stream) { |
79 | $this->preWriteToStream($body_part); |
59387d1c |
80 | $this->writeToStream($stream, $body_part); |
81 | } else { |
82 | /* DEBUG */ |
83 | $out = htmlspecialchars($tmp); |
84 | $out = str_replace("\r\n",'<BR>',$out); |
85 | echo $out; |
86 | |
3b53d87f |
87 | } |
88 | } elseif ($message->att_local_name) { |
89 | $filename = $message->att_local_name; |
90 | $file = fopen ($filename, 'rb'); |
91 | while ($tmp = fgets($file, 4096)) { |
92 | $length += $this->clean_crlf($tmp); |
93 | if ($stream) { |
94 | $this->preWriteToStream($tmp); |
95 | $this->writeToStream($stream, $tmp); |
59387d1c |
96 | } else { |
97 | /* DEBUG */ |
98 | $out = htmlspecialchars($tmp); |
99 | $out = str_replace("\r\n",'<BR>',$out); |
100 | echo $out; |
101 | } |
3b53d87f |
102 | } |
103 | fclose($file); |
104 | } |
105 | break; |
106 | default: |
107 | if ($message->body_part) { |
108 | $body_part = $message->body_part; |
109 | $length += $this->clean_crlf($body_part); |
110 | if ($stream) { |
59387d1c |
111 | $this->writeToStream($stream, $body_part); |
112 | } else { |
113 | /* DEBUG */ |
114 | $out = htmlspecialchars($body_part); |
115 | $out = str_replace("\r\n",'<BR>',$out); |
116 | echo $out; |
117 | } |
3b53d87f |
118 | } elseif ($message->att_local_name) { |
119 | $filename = $message->att_local_name; |
120 | $file = fopen ($filename, 'rb'); |
121 | while ($tmp = fread($file, 1520)) { |
122 | $encoded = chunk_split(base64_encode($tmp)); |
123 | $length += strlen($encoded); |
124 | if ($stream) { |
125 | $this->writeToStream($stream, $encoded); |
59387d1c |
126 | } else { |
127 | /* DEBUG */ |
128 | $out = htmlspecialchars($encoded); |
129 | $out = str_replace("\r\n",'<BR>',$out); |
130 | echo $out; |
3b53d87f |
131 | } |
132 | } |
133 | fclose($file); |
134 | } |
135 | break; |
136 | } |
137 | } |
138 | |
69298c28 |
139 | function clean_crlf(&$s) { |
3b53d87f |
140 | $s = str_replace("\r\n", "\n", $s); |
141 | $s = str_replace("\r", "\n", $s); |
142 | $s = str_replace("\n", "\r\n", $s); |
143 | return strlen($s); |
144 | } |
145 | |
69298c28 |
146 | function preWriteToStream(&$s) { |
3b53d87f |
147 | } |
148 | |
149 | function writeToStream($stream, $data) { |
150 | } |
151 | |
152 | function initStream($message, $length=0, $host='', $port='', $user='', $pass='') { |
153 | return $stream; |
154 | } |
59387d1c |
155 | |
156 | function getBcc($bcc) { |
157 | return false; |
158 | } |
3b53d87f |
159 | |
160 | function prepareMIME_Header($message, $boundary) { |
59387d1c |
161 | $mime_header = $message->mime_header; |
162 | $rn="\r\n"; |
4960ec8e |
163 | $header = array(); |
3b53d87f |
164 | |
59387d1c |
165 | $contenttype = 'Content-Type: '. $mime_header->type0 .'/'. |
166 | $mime_header->type1; |
3b53d87f |
167 | if (count($message->entities)) { |
168 | $contenttype .= ";\r\n " . 'boundary="'.$boundary.'"'; |
169 | } |
4960ec8e |
170 | if (isset($mime_header->parameters['name'])) { |
171 | $contenttype .= ";\r\n " . 'name="'. |
172 | encodeHeader($mime_header->parameters['name']). '"'; |
173 | } |
174 | $header[] = $contenttype . $rn; |
175 | if ($mime_header->description) { |
176 | $header[] .= 'Content-Description: ' . $mime_header->description . $rn; |
177 | } |
178 | if ($mime_header->encoding) { |
179 | $header[] .= 'Content-Transfer-Encoding: ' . $mime_header->encoding . $rn; |
180 | } |
181 | if ($mime_header->id) { |
182 | $header[] .= 'Content-ID: ' . $mime_header->id . $rn; |
183 | } |
184 | if ($mime_header->disposition) { |
185 | $contentdisp .= 'Content-Disposition: ' . $mime_header->disposition; |
186 | if (isset($mime_header->parameters['filename'])) { |
187 | $contentdisp .= ";\r\n " . 'filename="'. |
188 | encodeHeader($mime_header->parameters['filename']). '"'; |
189 | } |
190 | $header[] = $contentdisp . $rn; |
191 | } |
192 | if ($mime_header->md5) { |
193 | $header[] .= 'Content-MD5: ' . $mime_header->md5 . $rn; |
194 | } |
195 | if ($mime_header->language) { |
196 | $header[] .= 'Content-Language: ' . $mime_header->language . $rn; |
197 | } |
198 | |
199 | $cnt = count($header); |
200 | $hdr_s = ''; |
201 | for ($i = 0 ; $i < $cnt ; $i++) { |
59387d1c |
202 | $hdr_s .= $this->foldLine($header[$i], 78, ' '); |
4960ec8e |
203 | } |
204 | $header = $hdr_s; |
3b53d87f |
205 | $header .= $rn; /* One blank line to separate mimeheader and body-entity */ |
206 | return $header; |
4960ec8e |
207 | } |
208 | |
209 | function prepareRFC822_Header($rfc822_header) { |
210 | global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT; |
211 | global $version, $useSendmail, $username; |
212 | global $HTTP_VIA, $HTTP_X_FORWARDED_FOR; |
213 | global $REMOTE_HOST; |
59387d1c |
214 | $rn = "\r\n"; |
4960ec8e |
215 | /* This creates an RFC 822 date */ |
59387d1c |
216 | $date = date("D, j M Y H:i:s ", mktime()) . $this->timezone(); |
4960ec8e |
217 | /* Create a message-id */ |
218 | $message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.'; |
219 | $message_id .= time() . '.squirrel@' . $SERVER_NAME .'>'; |
59387d1c |
220 | $old_message_id = $rfc822_header->message_id; |
4960ec8e |
221 | /* Make an RFC822 Received: line */ |
59387d1c |
222 | if (isset($REMOTE_HOST)) { |
223 | $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])"; |
224 | } else { |
225 | $received_from = $REMOTE_ADDR; |
226 | } |
227 | if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) { |
228 | if ($HTTP_X_FORWARDED_FOR == '') { |
229 | $HTTP_X_FORWARDED_FOR = 'unknown'; |
230 | } |
231 | $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)"; |
232 | } |
233 | $header = array(); |
234 | $header[] = "Received: from $received_from" . $rn; |
235 | $header[] = " (SquirrelMail authenticated user $username)" . $rn; |
236 | $header[] = " by $SERVER_NAME with HTTP;" . $rn; |
237 | $header[] = " $date" . $rn; |
238 | /* Insert the rest of the header fields */ |
239 | $header[] = 'Message-ID: '. $message_id . $rn; |
240 | if ($old_message_id) { |
241 | $header[] = 'In-Reply-To: '.$old_message_id . $rn; |
242 | $references = $this->calculate_references($rfc822_header->references, |
243 | $old_message_id, $rfc822_header->in_reply_to); |
244 | |
245 | $header[] = 'References: '.$references . $rn; |
246 | } |
247 | $header[] = "Date: $date" . $rn; |
248 | $header[] = 'Subject: '.encodeHeader($rfc822_header->subject) . $rn; |
249 | $header[] = 'From: '. encodeHeader($rfc822_header->getAddr_s('from')) . $rn; |
250 | /* RFC2822 if from contains more then 1 address */ |
251 | if (count($rfc822_header->from) > 1) { |
252 | $header[] = 'Sender: '. encodeHeader($rfc822_header->getAddr_s('sender')) . $rn; |
253 | } |
254 | $header[] = 'To: '. encodeHeader($rfc822_header->getAddr_s('to')) . $rn; // Who it's TO |
255 | if (count($rfc822_header->cc)) { |
256 | $header[] = 'Cc: '. encodeHeader($rfc822_header->getAddr_s('cc')) . $rn; |
257 | } |
258 | if (count($rfc822_header->reply_to)) { |
259 | $header[] = 'Reply-To: '. encodeHeader($rfc822_header->getAddr_s('reply_to')) . $rn; |
260 | } |
261 | /* Sendmail should return true. Default = false */ |
262 | $bcc = $this->getBcc($rfc822_header->bcc); |
263 | if ($bcc && count($rfc822_header->bcc)) { |
264 | $header[] = 'Bcc: '. encodeHeader($rfc822_header->getAddr_s('bcc')) . $rn; |
265 | } |
266 | /* Identify SquirrelMail */ |
267 | $header[] = "X-Mailer: SquirrelMail (version $version)" . $rn; |
268 | /* Do the MIME-stuff */ |
269 | $header[] = "MIME-Version: 1.0" . $rn; |
270 | $contenttype = 'Content-Type: '. $rfc822_header->content_type->type0 .'/'. |
271 | $rfc822_header->content_type->type1; |
272 | if (count($rfc822_header->content_type->properties)) { |
273 | foreach ($rfc822_header->contenttype->properties as $k => $v) { |
274 | $contenttype .= ';'. "\r\n " .$k.'='.$v; /* FOLDING */ |
275 | } |
276 | } |
277 | $header[] = $contenttype . $rn; |
278 | if ($rfc822_header->dnt) { |
279 | $dnt = $rfc822_header->getAddr_s('dnt'); |
280 | /* Pegasus Mail */ |
281 | $header[] = 'X-Confirm-Reading-To: '.$dnt. $rn; |
282 | /* RFC 2298 */ |
283 | $header[] = 'Disposition-Notification-To: '.$dnt. $rn; |
284 | } |
285 | if ($rfc822_header->priority) { |
286 | $prio = $rfc822_header->priority; |
287 | $header[] = 'X-Priority: '.$prio. $rn; |
288 | switch($prio) { |
289 | case 1: $header[] = 'Importance: High'. $rn; break; |
290 | case 3: $header[] = 'Importance: Normal'. $rn; break; |
291 | case 5: $header[] = 'Importance: Low'. $rn; break; |
292 | default: break; |
293 | } |
294 | } |
295 | /* Insert headers from the $more_headers array */ |
296 | if(count($rfc822_header->more_headers)) { |
297 | reset($rfc822_header->more_headers); |
298 | foreach ($rfc822_header->more_headers as $k => $v) { |
299 | $header[] = $k.': '.$v .$rn; |
300 | } |
301 | } |
302 | $cnt = count($header); |
303 | $hdr_s = ''; |
304 | for ($i = 0 ; $i < $cnt ; $i++) { |
305 | $hdr_s .= $this->foldLine($header[$i], 78, ' '); |
306 | } |
307 | $header = $hdr_s; |
308 | $header .= $rn; /* One blank line to separate header and body */ |
309 | return $header; |
4960ec8e |
310 | } |
311 | |
312 | /* |
313 | * function for cleanly folding of headerlines |
314 | */ |
315 | function foldLine($line, $length, $pre) { |
316 | $cnt = strlen($line); |
317 | $res = ''; |
59387d1c |
318 | if ($cnt > $length) |
4960ec8e |
319 | { |
320 | $fold_string = $pre.' '."\r\n"; |
321 | for ($i=0;$i<($cnt-$length);$i++) |
322 | { |
323 | $fold_pos = 0; |
324 | /* first try to fold at delimiters */ |
325 | for ($j=($i+$length); $j>$i; $j--) |
326 | { |
327 | switch ($line{$j}) |
328 | { |
329 | case (','): |
330 | case (';'): |
331 | $fold_pos = $j; |
332 | break; |
333 | default: |
334 | break; |
335 | } |
336 | if ($fold_pos) |
337 | { |
338 | $j=$i; |
339 | } |
340 | } |
341 | if (!$fold_pos) |
342 | { |
343 | /* not succeed yet so we try at spaces and = */ |
344 | for ($j=($i+$length); $j>$i; $j--) |
345 | { |
346 | switch ($line{$j}) |
347 | { |
348 | case (' '): |
349 | case ('='): |
350 | $fold_pos = $j; |
351 | break; |
352 | default: |
353 | break; |
354 | } |
355 | if ($fold_pos) |
356 | { |
357 | $j=$i; |
358 | } |
359 | } |
360 | } |
361 | if (!$fold_pos) |
362 | { |
363 | /* clean folding didn't work */ |
364 | $fold_pos = $i+$length; |
365 | } |
366 | $line = substr_replace($line,$line{$fold_pos}.$fold_string,$fold_pos,1); |
367 | $cnt += strlen($fold_string); |
368 | $i = $j + strlen($fold_string); |
369 | } |
370 | } |
371 | return $line; |
372 | } |
3b53d87f |
373 | |
3b53d87f |
374 | |
59387d1c |
375 | function mimeBoundary () { |
376 | static $mimeBoundaryString; |
3b53d87f |
377 | |
59387d1c |
378 | if ( !isset( $mimeBoundaryString ) || |
379 | $mimeBoundaryString == '') { |
380 | $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' . |
381 | mt_rand( 10000, 99999 ); |
382 | } |
383 | return $mimeBoundaryString; |
3b53d87f |
384 | } |
385 | |
59387d1c |
386 | /* Time offset for correct timezone */ |
387 | function timezone () { |
388 | global $invert_time; |
3b53d87f |
389 | |
59387d1c |
390 | $diff_second = date('Z'); |
391 | if ($invert_time) { |
392 | $diff_second = - $diff_second; |
393 | } |
394 | if ($diff_second > 0) { |
395 | $sign = '+'; |
396 | } else { |
397 | $sign = '-'; |
398 | } |
399 | $diff_second = abs($diff_second); |
400 | $diff_hour = floor ($diff_second / 3600); |
401 | $diff_minute = floor (($diff_second-3600*$diff_hour) / 60); |
402 | $zonename = '('.strftime('%Z').')'; |
403 | $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute, |
3b53d87f |
404 | $zonename); |
59387d1c |
405 | return ($result); |
406 | } |
3b53d87f |
407 | |
59387d1c |
408 | function calculate_references($refer, $old_message_id, $old_in_reply_to) { |
409 | if (strlen($refer) > 2) { |
410 | $refer .= ' ' . $old_message_id; |
411 | } else { |
412 | if ($old_in_reply_to) { |
413 | $refer .= $old_in_reply_to . ' ' . $old_message_id; |
414 | } else { |
415 | $refer .= $old_message_id; |
416 | } |
417 | } |
418 | trim($refer); |
419 | return $refer; |
420 | } |
421 | } |
4960ec8e |
422 | ?> |