19d470aa |
1 | <?php |
2 | |
3 | /** |
4 | * Message.class.php |
5 | * |
6 | * Copyright (c) 2002 The SquirrelMail Project Team |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * This contains functions needed to handle mime messages. |
10 | * |
11 | * $Id$ |
12 | */ |
13 | |
14 | class Message { |
15 | /** message is the object that contains messages. It is a recursive |
16 | object in that through the $entities variable, it can contain |
17 | more objects of type message. See documentation in mime.txt for |
18 | a better description of how this works. |
19 | **/ |
20 | var $rfc822_header = '', |
21 | $mime_header = '', |
22 | $flags = '', |
23 | $type0='', |
24 | $type1='', |
25 | $entities = array(), |
26 | $parent_ent, $entity, |
27 | $parent = '', $decoded_body='', |
28 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
29 | $is_mdnsent = 0, |
30 | $body_part = '', |
31 | $offset = 0, /* for fetching body parts out of raw messages */ |
32 | $length = 0, /* for fetching body parts out of raw messages */ |
33 | $att_local_name = ''; /* location where the tempory attachment |
34 | is stored. For future usage in smtp.php */ |
35 | |
36 | function setEnt($ent) { |
37 | $this->entity_id= $ent; |
38 | } |
39 | |
40 | function addEntity ($msg) { |
41 | $msg->parent = &$this; |
42 | $this->entities[] = $msg; |
43 | } |
44 | |
45 | function getFilename() { |
46 | $filename = ''; |
47 | $filename = $this->header->getParameter('filename'); |
48 | if (!$filename) { |
49 | $filename = $this->header->getParameter('name'); |
50 | } |
51 | |
52 | if (!$filename) { |
53 | $filename = 'untitled-'.$this->entity_id; |
54 | } |
55 | return $filename; |
56 | } |
57 | |
58 | |
59 | function addRFC822Header($read) { |
60 | $header = new Rfc822Header(); |
61 | $this->rfc822_header = $header->parseHeader($read); |
62 | } |
63 | |
64 | function getEntity($ent) { |
65 | $cur_ent = $this->entity_id; |
66 | $msg = $this; |
67 | if (($cur_ent == '') || ($cur_ent == '0')) { |
68 | $cur_ent_a = array(); |
69 | } else { |
70 | $cur_ent_a = explode('.', $this->entity_id); |
71 | } |
72 | $ent_a = explode('.', $ent); |
73 | |
74 | $entCount = count($ent_a) - 1; |
75 | for ($i = 0; $i < $entCount; ++$i) { |
76 | if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) { |
77 | $msg = $msg->parent; |
78 | $cur_ent_a = explode('.', $msg->entity_id); |
79 | --$i; |
80 | } else if (!isset($cur_ent_a[$i])) { |
81 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
82 | $msg = $msg->entities[($ent_a[$i]-1)]; |
83 | } else { |
84 | $msg = $msg->entities[0]; |
85 | } |
86 | } |
87 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
88 | /*this is a header for a message/rfc822 entity */ |
89 | $msg = $msg->entities[0]; |
90 | } |
91 | } |
92 | |
93 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
94 | /*this is a header for a message/rfc822 entity */ |
95 | $msg = $msg->entities[0]; |
96 | } |
97 | |
98 | if (isset($msg->entities[($ent_a[$cnt])-1])) { |
99 | if (is_object($msg->entities[($ent_a[$cnt])-1])) { |
100 | $msg = $msg->entities[($ent_a[$cnt]-1)]; |
101 | } |
102 | } |
103 | |
104 | return $msg; |
105 | } |
106 | |
107 | function setBody($s) { |
108 | $this->body_part = $s; |
109 | } |
110 | |
111 | function clean_up() { |
112 | $msg = $this; |
113 | $msg->body_part = ''; |
114 | |
115 | foreach ($msg->entities as $m) { |
116 | $m->clean_up(); |
117 | } |
118 | } |
119 | |
120 | function getMailbox() { |
121 | $msg = $this; |
122 | while (is_object($msg->parent)) { |
123 | $msg = $msg->parent; |
124 | } |
125 | return $msg->mailbox; |
126 | } |
127 | |
128 | function calcEntity($msg) { |
129 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
130 | $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ |
131 | } else if (isset($this->entity_id) && ($this->entity_id != '')) { |
132 | $entCount = count($this->entities) + 1; |
133 | $par_ent = substr($this->entity_id, -2); |
134 | if ($par_ent{0} == '.') { |
135 | $par_ent = $par_ent{1}; |
136 | } |
137 | if ($par_ent == '0') { |
138 | if ($entCount > 0) { |
139 | $ent = substr($this->entity_id, 0, strrpos($this->entity_id, '.')); |
140 | $ent = ($ent ? $ent . '.' : '') . $entCount; |
141 | $msg->entity_id = $ent; |
142 | } else { |
143 | $msg->entity_id = $entCount; |
144 | } |
145 | } else { |
146 | $ent = $this->entity_id . '.' . $entCount; |
147 | $msg->entity_id = $ent; |
148 | } |
149 | } else { |
150 | $msg->entity_id = '0'; |
151 | } |
152 | |
153 | return $msg->entity_id; |
154 | } |
155 | |
156 | |
157 | /* |
158 | * Bodystructure parser, a recursive function for generating the |
159 | * entity-tree with all the mime-parts. |
160 | * |
161 | * It follows RFC2060 and stores all the described fields in the |
162 | * message object. |
163 | * |
164 | * Question/Bugs: |
165 | * |
166 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
167 | * |
168 | */ |
169 | function parseStructure($read, $i = 0) { |
170 | $arg_no = 0; |
171 | $arg_a = array(); |
172 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
173 | $char = strtoupper($read{$i}); |
174 | switch ($char) { |
175 | case '(': |
176 | switch($arg_no) { |
177 | case 0: |
178 | if (!isset($msg)) { |
179 | $msg = new Message(); |
180 | $hdr = new MessageHeader(); |
181 | $hdr->type0 = 'text'; |
182 | $hdr->type1 = 'plain'; |
183 | $hdr->encoding = 'us-ascii'; |
184 | $msg->entity_id = $this->calcEntity($msg); |
185 | } else { |
186 | $msg->header->type0 = 'multipart'; |
187 | $msg->type0 = 'multipart'; |
188 | while ($read{$i} == '(') { |
189 | $res = $msg->parseStructure($read, $i); |
190 | $i = $res[1]; |
191 | $msg->addEntity($res[0]); |
192 | } |
193 | } |
194 | break; |
195 | case 1: |
196 | /* multipart properties */ |
197 | ++$i; |
198 | $res = $this->parseProperties($read, $i); |
199 | $arg_a[] = $res[0]; |
200 | $i = $res[1]; |
201 | ++$arg_no; |
202 | break; |
203 | case 2: |
204 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
205 | ++$i; |
206 | $res = $msg->parseDisposition($read, $i); |
207 | } else { /* properties */ |
208 | $res = $msg->parseProperties($read, $i); |
209 | } |
210 | $arg_a[] = $res[0]; |
211 | $i = $res[1]; |
212 | ++$arg_no; |
213 | break; |
214 | case 3: |
215 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
216 | ++$i; |
217 | $res= $msg->parseLanguage($read, $i); |
218 | $arg_a[] = $res[0]; |
219 | $i = $res[1]; |
220 | } |
221 | case 7: |
222 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
223 | $msg->header->type0 = $arg_a[0]; |
224 | $msg->header->type1 = $arg_a[1]; |
225 | $msg->type0 = $arg_a[0]; |
226 | $msg->type1 = $arg_a[1]; |
227 | $rfc822_hdr = new Rfc822Header(); |
228 | $res = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
229 | $msg->rfc822_header = $res[0]; |
230 | $i = $res[1] + 1; |
231 | while (($i < $cnt) && ($read{$i} != '(')) { |
232 | ++$i; |
233 | } |
234 | $res = $msg->parseStructure($read, $i); |
235 | $i = $res[1]; |
236 | $msg->addEntity($res[0]); |
237 | } |
238 | break; |
239 | case 8: |
240 | ++$i; |
241 | $res = $msg->parseDisposition($read, $i); |
242 | $arg_a[] = $res[0]; |
243 | $i = $res[1]; |
244 | ++$arg_no; |
245 | break; |
246 | case 9: |
247 | ++$i; |
248 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
249 | $res = $msg->parseDisposition($read, $i); |
250 | } else { |
251 | $res = $msg->parseLanguage($read, $i); |
252 | } |
253 | $arg_a[] = $res[0]; |
254 | $i = $res[1]; |
255 | ++$arg_no; |
256 | break; |
257 | case 10: |
258 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
259 | ++$i; |
260 | $res = $msg->parseLanguage($read, $i); |
261 | $arg_a[] = $res[0]; |
262 | $i = $res[1]; |
263 | } else { |
264 | $i = $msg->parseParenthesis($read, $i); |
265 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
266 | } |
267 | ++$arg_no; |
268 | break; |
269 | default: |
270 | /* unknown argument, skip this part */ |
271 | $i = $msg->parseParenthesis($read, $i); |
272 | $arg_a[] = ''; |
273 | ++$arg_no; |
274 | break; |
275 | } /* switch */ |
276 | break; |
277 | case '"': |
278 | /* inside an entity -> start processing */ |
279 | $debug = substr($read, $i, 20); |
280 | $res = $msg->parseQuote($read, $i); |
281 | $arg_s = $res[0]; |
282 | $i = $res[1]; |
283 | ++$arg_no; |
284 | if ($arg_no < 3) { |
285 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
286 | } |
287 | $arg_a[] = $arg_s; |
288 | break; |
289 | case 'n': |
290 | case 'N': |
291 | /* probably NIL argument */ |
292 | if (strtoupper(substr($read, $i, 4)) == 'NIL ') { |
293 | $arg_a[] = ''; |
294 | ++$arg_no; |
295 | $i += 2; |
296 | } |
297 | break; |
298 | case '{': |
299 | /* process the literal value */ |
300 | $res = $msg->parseLiteral($read, $i); |
301 | $arg_s = $res[0]; |
302 | $i = $res[1]; |
303 | ++$arg_no; |
304 | break; |
305 | case is_numeric($read{$i}): |
306 | /* process integers */ |
307 | if ($read{$i} == ' ') { break; } |
308 | $arg_s = $read{$i};; |
309 | for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) { |
310 | $arg_s .= $read{$i}; |
311 | } |
312 | ++$arg_no; |
313 | $arg_a[] = $arg_s; |
314 | break; |
315 | case ')': |
316 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
317 | if (!$multipart) { |
318 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
319 | $hdr->type0 = $arg_a[0]; |
320 | $hdr->type1 = $arg_a[1]; |
321 | |
322 | $msg->type0 = $arg_a[0]; |
323 | $msg->type1 = $arg_a[1]; |
324 | $arr = $arg_a[2]; |
325 | if (is_array($arr)) { |
326 | $hdr->parameters = $arg_a[2]; |
327 | } |
328 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
329 | $hdr->description = $arg_a[4]; |
330 | $hdr->encoding = strtolower($arg_a[5]); |
331 | $hdr->entity_id = $msg->entity_id; |
332 | $hdr->size = $arg_a[6]; |
333 | if ($shifted_args) { |
334 | $hdr->lines = $arg_a[7]; |
335 | $s = 1; |
336 | } else { |
337 | $s = 0; |
338 | } |
339 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
340 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
341 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
342 | $msg->header = $hdr; |
343 | if ((strrchr($msg->entity_id, '.') == '.0') && ($msg->type0 !='multipart')) { |
344 | $msg->entity_id = $this->entity_id . '.1'; |
345 | } |
346 | } else { |
347 | $hdr->type0 = 'multipart'; |
348 | $hdr->type1 = $arg_a[0]; |
349 | $msg->type0 = 'multipart'; |
350 | $msg->type1 = $arg_a[0]; |
351 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
352 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
353 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
354 | $msg->header = $hdr; |
355 | } |
356 | ++$i; |
357 | return (array($msg, $i)); |
358 | default: break; |
359 | } /* switch */ |
360 | |
361 | } /* for */ |
362 | } /* parsestructure */ |
363 | |
364 | function parseProperties($read, $i) { |
365 | $properties = array(); |
366 | $prop_name = ''; |
367 | |
368 | for (; $read{$i} != ')'; ++$i) { |
369 | $arg_s = ''; |
370 | if ($read{$i} == '"') { |
371 | $res = $this->parseQuote($read, $i); |
372 | $arg_s = $res[0]; |
373 | $i = $res[1]; |
374 | } else if ($read{$i} == '{') { |
375 | $res = $this->parseLiteral($read, $i); |
376 | $arg_s = $res[0]; |
377 | $i = $res[1]; |
378 | } |
379 | |
380 | if ($arg_s != '') { |
381 | if ($prop_name == '') { |
382 | $prop_name = strtolower($arg_s); |
383 | $properties[$prop_name] = ''; |
384 | } else if ($prop_name != '') { |
385 | $properties[$prop_name] = $arg_s; |
386 | $prop_name = ''; |
387 | } |
388 | } |
389 | } |
390 | return array($properties, $i); |
391 | } |
392 | |
393 | function parseEnvelope($read, $i, $hdr) { |
394 | $arg_no = 0; |
395 | $arg_a = array(); |
396 | |
397 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
398 | ++$i; |
399 | $char = strtoupper($read{$i}); |
400 | switch ($char) { |
401 | case '"': |
402 | $res = $this->parseQuote($read, $i); |
403 | $arg_a[] = $res[0]; |
404 | $i = $res[1]; |
405 | ++$arg_no; |
406 | break; |
407 | case '{': |
408 | $res = $this->parseLiteral($read, $i); |
409 | $arg_a[] = $res[0]; |
410 | $i = $res[1]; |
411 | ++$arg_no; |
412 | break; |
413 | case 'N': |
414 | /* probably NIL argument */ |
415 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
416 | $arg_a[] = ''; |
417 | ++$arg_no; |
418 | $i += 2; |
419 | } |
420 | break; |
421 | case '(': |
422 | /* Address structure (with group support) |
423 | * Note: Group support is useless on SMTP connections |
424 | * because the protocol doesn't support it |
425 | */ |
426 | $addr_a = array(); |
427 | $group = ''; |
428 | $a=0; |
429 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
430 | if ($read{$i} == '(') { |
431 | $res = $this->parseAddress($read, $i); |
432 | $addr = $res[0]; |
433 | $i = $res[1]; |
434 | if (($addr->host == '') && ($addr->mailbox != '')) { |
435 | /* start of group */ |
436 | $group = $addr->mailbox; |
437 | $group_addr = $addr; |
438 | $j = $a; |
439 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
440 | /* end group */ |
441 | if ($a == ($j+1)) { /* no group members */ |
442 | $group_addr->group = $group; |
443 | $group_addr->mailbox = ''; |
444 | $group_addr->personal = "$group: Undisclosed recipients;"; |
445 | $addr_a[] = $group_addr; |
446 | $group =''; |
447 | } |
448 | } else { |
449 | $addr->group = $group; |
450 | $addr_a[] = $addr; |
451 | } |
452 | ++$a; |
453 | } |
454 | } |
455 | $arg_a[] = $addr_a; |
456 | break; |
457 | default: break; |
458 | } |
459 | } |
460 | |
461 | if (count($arg_a) > 9) { |
462 | /* argument 1: date */ |
463 | $d = strtr($arg_a[0], array(' ' => ' ')); |
464 | $d = explode(' ', $d); |
465 | $hdr->date = getTimeStamp($d); |
466 | |
467 | /* argument 2: subject */ |
468 | $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]); |
469 | $hdr->subject = $arg_a[1]; |
470 | |
471 | $hdr->from = $arg_a[2][0]; /* argument 3: from */ |
472 | $hdr->sender = $arg_a[3][0]; /* argument 4: sender */ |
473 | $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */ |
474 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
475 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
476 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
477 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
478 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
479 | } |
480 | return (array($hdr, $i)); |
481 | } |
482 | |
483 | function parseLiteral($read, $i) { |
484 | $lit_cnt = ''; |
485 | for (++$i; $read{$i} != '}'; ++$i) { |
486 | $lit_cnt .= $read{$i}; |
487 | } |
488 | |
489 | $lit_cnt +=2; /* add the { and } characters */ |
490 | $s = ''; |
491 | for ($j = 0; $j < $lit_cnt; ++$j) { |
492 | $s .= $read{++$i}; |
493 | } |
494 | return (array($s, $i)); |
495 | } |
496 | |
497 | function parseQuote($read, $i) { |
498 | $s = ''; |
499 | for (++$i; $read{$i} != '"'; ++$i) { |
500 | if ($read{$i} == '\\') { |
501 | ++$i; |
502 | } |
503 | $s .= $read{$i}; |
504 | } |
505 | return (array($s, $i)); |
506 | } |
507 | |
508 | function parseAddress($read, $i) { |
509 | $arg_a = array(); |
510 | |
511 | for (; $read{$i} != ')'; ++$i) { |
512 | $char = strtoupper($read{$i}); |
513 | switch ($char) { |
514 | case '"': |
515 | case '{': |
516 | $res = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i)); |
517 | $arg_a[] = $res[0]; |
518 | $i = $res[1]; |
519 | break; |
520 | case 'n': |
521 | case 'N': |
522 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
523 | $arg_a[] = ''; |
524 | $i += 2; |
525 | } |
526 | break; |
527 | default: break; |
528 | } |
529 | } |
530 | |
531 | if (count($arg_a) == 4) { |
532 | $adr = new AddressStructure(); |
533 | $adr->personal = $arg_a[0]; |
534 | $adr->adl = $arg_a[1]; |
535 | $adr->mailbox = $arg_a[2]; |
536 | $adr->host = $arg_a[3]; |
537 | } else { |
538 | $adr = ''; |
539 | } |
540 | return (array($adr, $i)); |
541 | } |
542 | |
543 | function parseDisposition($read, $i) { |
544 | $arg_a = array(); |
545 | |
546 | for (; $read{$i} != ')'; ++$i) { |
547 | switch ($read{$i}) { |
548 | case '"': |
549 | case '{': |
550 | case '(': |
551 | switch ($read{$i}) { |
552 | case '"': $res = $this->parseQuote($read, $i); break; |
553 | case '{': $res = $this->parseLiteral($read, $i); break; |
554 | case '(': $res = $this->parseProperties($read, $i); break; |
555 | } |
556 | $arg_a[] = $res[0]; |
557 | $i = $res[1]; |
558 | break; |
559 | default: break; |
560 | } |
561 | } |
562 | |
563 | if (isset($arg_a[0])) { |
564 | $disp = new Disposition($arg_a[0]); |
565 | if (isset($arg_a[1])) { |
566 | $disp->properties = $arg_a[1]; |
567 | } |
568 | } |
569 | |
570 | return (is_object($disp) ? array($disp, $i) : array('', $i)); |
571 | } |
572 | |
573 | function parseLanguage($read, $i) { |
574 | /* no idea how to process this one without examples */ |
575 | $arg_a = array(); |
576 | |
577 | for (; $read{$i} != ')'; ++$i) { |
578 | switch ($read{$i}) { |
579 | case '"': |
580 | case '{': |
581 | case '(': |
582 | switch ($read{$i}) { |
583 | case '"': $res = $this->parseQuote($read, $i); break; |
584 | case '{': $res = $this->parseLiteral($read, $i); break; |
585 | case '(': $res = $this->parseProperties($read, $i); break; |
586 | } |
587 | $arg_a[] = $res[0]; |
588 | $i = $res[1]; |
589 | break; |
590 | default: break; |
591 | } |
592 | } |
593 | |
594 | if (isset($arg_a[0])) { |
595 | $lang = new Language($arg_a[0]); |
596 | if (isset($arg_a[1])) { |
597 | $lang->properties = $arg_a[1]; |
598 | } |
599 | } |
600 | |
601 | return (is_object($lang) ? array($lang, $i) : array('', $i)); |
602 | } |
603 | |
604 | function parseParenthesis($read, $i) { |
605 | for (; $read{$i} != ')'; ++$i) { |
606 | switch ($read{$i}) { |
607 | case '"': |
608 | case '{': |
609 | case '(': |
610 | switch ($read{$i}) { |
611 | case '"': $res = $this->parseQuote($read, $i); break; |
612 | case '{': $res = $this->parseLiteral($read, $i); break; |
613 | case '(': $res = $this->parseProperties($read, $i); break; |
614 | } |
615 | $i = $res[1]; |
616 | break; |
617 | default: break; |
618 | } |
619 | } |
620 | return $i; |
621 | } |
622 | |
623 | /* Function to fill the message structure in case the */ |
624 | /* bodystructure is not available NOT FINISHED YET */ |
625 | function parseMessage($read, $type0, $type1) { |
626 | switch ($type0) { |
627 | case 'message': |
628 | $rfc822_header = true; |
629 | $mime_header = false; |
630 | break; |
631 | case 'multipart': |
632 | $rfc822_header = false; |
633 | $mime_header = true; |
634 | break; |
635 | default: return $read; |
636 | } |
637 | |
638 | for ($i = 1; $i < $count; ++$i) { |
639 | $line = trim($body[$i]); |
640 | if (($mime_header || $rfc822_header) && |
641 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
642 | $bnd = $reg[1]; |
643 | $bndreg = $bnd; |
644 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
645 | $bndreg = str_replace("?", "\\?", $bndreg); |
646 | $bndreg = str_replace("+", "\\+", $bndreg); |
647 | $bndreg = str_replace(".", "\\.", $bndreg); |
648 | $bndreg = str_replace("/", "\\/", $bndreg); |
649 | $bndreg = str_replace("-", "\\-", $bndreg); |
650 | $bndreg = str_replace("(", "\\(", $bndreg); |
651 | $bndreg = str_replace(")", "\\)", $bndreg); |
652 | } else if ($rfc822_header && $line == '') { |
653 | $rfc822_header = false; |
654 | if ($msg->type0 == 'multipart') { |
655 | $mime_header = true; |
656 | } |
657 | } |
658 | |
659 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
660 | $cnt = count($boundaries)-1; |
661 | $bnd = $boundaries[$cnt]['bnd']; |
662 | $bndreg = $boundaries[$cnt]['bndreg']; |
663 | |
664 | $regstr = '/^--'."($bndreg)".".*".'/'; |
665 | if (preg_match($regstr, $line, $reg)) { |
666 | $bndlen = strlen($reg[1]); |
667 | $bndend = false; |
668 | if (strlen($line) > ($bndlen + 3)) { |
669 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
670 | $bndend = true; |
671 | } |
672 | } |
673 | if ($bndend) { |
674 | /* calc offset and return $msg */ |
675 | //$entStr = CalcEntity("$entStr", -1); |
676 | array_pop($boundaries); |
677 | $mime_header = true; |
678 | $bnd_end = true; |
679 | } else { |
680 | $mime_header = true; |
681 | $bnd_end = false; |
682 | //$entStr = CalcEntity("$entStr", 0); |
683 | ++$content_indx; |
684 | } |
685 | } else { |
686 | if ($header) { } |
687 | } |
688 | } |
689 | } |
690 | } |
691 | |
692 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
693 | $found = false; |
694 | if ($this->type0 == 'multipart') { |
695 | if($this->type1 == 'alternative') { |
696 | $msg = $this->findAlternativeEntity($alt_order); |
697 | if (count($msg->entities) == 0) { |
698 | $entity[] = $msg->entity_id; |
699 | } else { |
700 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
701 | } |
702 | $found = true; |
703 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
704 | $msgs = $this->findRelatedEntity(); |
705 | foreach ($msgs as $msg) { |
706 | if (count($msg->entities) == 0) { |
707 | $entity[] = $msg->entity_id; |
708 | } else { |
709 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
710 | } |
711 | } |
712 | if (count($msgs) > 0) { |
713 | $found = true; |
714 | } |
715 | } else { /* Treat as multipart/mixed */ |
716 | foreach ($this->entities as $ent) { |
717 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
718 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
719 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
720 | $found = true; |
721 | } |
722 | } |
723 | } |
724 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
725 | $type = $this->type0.'/'.$this->type1; |
726 | foreach ($alt_order as $alt) { |
727 | if( ($alt == $type) && isset($this->entity_id) ) { |
728 | if ((count($this->entities) == 0) && |
729 | (strtolower($this->header->disposition->name) != 'attachment')) { |
730 | $entity[] = $this->entity_id; |
731 | $found = true; |
732 | } |
733 | } |
734 | } |
735 | } |
736 | if(!$found) { |
737 | foreach ($this->entities as $ent) { |
738 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
739 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
740 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
741 | $found = true; |
742 | } |
743 | } |
744 | } |
745 | if(!$strict && !$found) { |
746 | if (($this->type0 == 'text') && |
747 | in_array($this->type1, array('plain', 'html', 'message')) && |
748 | isset($this->entity_id)) { |
749 | if (count($this->entities) == 0) { |
750 | if (strtolower($this->header->disposition->name) != 'attachment') { |
751 | $entity[] = $this->entity_id; |
752 | } |
753 | } |
754 | } |
755 | } |
756 | |
757 | return $entity; |
758 | } |
759 | |
760 | function findAlternativeEntity($alt_order) { |
761 | /* If we are dealing with alternative parts then we */ |
762 | /* choose the best viewable message supported by SM. */ |
763 | $best_view = 0; |
764 | $entity = array(); |
765 | foreach($this->entities as $ent) { |
766 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
767 | if ($type == 'multipart/related') { |
768 | $type = $ent->header->getParameter('type'); |
769 | } |
770 | $altCount = count($alt_order); |
771 | for ($j = $best_view; $j < $altCount; ++$j) { |
772 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
773 | $best_view = $j; |
774 | $entity = $ent; |
775 | } |
776 | } |
777 | } |
778 | |
779 | return $entity; |
780 | } |
781 | |
782 | function findRelatedEntity() { |
783 | $msgs = array(); |
784 | |
785 | $entCount = count($this->entities); |
786 | for ($i = 0; $i < $entCount; ++$i) { |
787 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
788 | if ($this->header->getParameter('type') == $type) { |
789 | $msgs[] = $this->entities[$i]; |
790 | } |
791 | } |
792 | |
793 | return $msgs; |
794 | } |
795 | |
796 | function getAttachments($exclude_id=array(), $result = array()) { |
797 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
798 | $this = $this->entities[0]; |
799 | } |
800 | |
801 | if (count($this->entities)) { |
802 | foreach ($this->entities as $entity) { |
803 | $exclude = false; |
804 | |
805 | foreach ($exclude_id as $excl) { |
806 | if ($entity->entity_id === $excl) { |
807 | $exclude = true; |
808 | } |
809 | } |
810 | |
811 | if (!$exclude) { |
812 | if (($entity->type0 == 'multipart') && |
813 | ($entity->type1 != 'related')) { |
814 | $result = $entity->getAttachments($exclude_id, $result); |
815 | } else if ($entity->type0 != 'multipart') { |
816 | $result[] = $entity; |
817 | } |
818 | } |
819 | } |
820 | } else { |
821 | $exclude = false; |
822 | foreach ($exclude_id as $excl) { |
823 | $exclude = $exclude || ($this->entity_id == $excl); |
824 | } |
825 | |
826 | if (!$exclude) { |
827 | $result[] = $this; |
828 | } |
829 | } |
830 | |
831 | return $result; |
832 | } |
833 | } |
834 | |
835 | ?> |