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(), |
a56f52b9 |
26 | $entity_id = '', |
19d470aa |
27 | $parent_ent, $entity, |
28 | $parent = '', $decoded_body='', |
29 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
30 | $is_mdnsent = 0, |
31 | $body_part = '', |
32 | $offset = 0, /* for fetching body parts out of raw messages */ |
33 | $length = 0, /* for fetching body parts out of raw messages */ |
34 | $att_local_name = ''; /* location where the tempory attachment |
35 | is stored. For future usage in smtp.php */ |
36 | |
37 | function setEnt($ent) { |
38 | $this->entity_id= $ent; |
39 | } |
40 | |
41 | function addEntity ($msg) { |
42 | $msg->parent = &$this; |
43 | $this->entities[] = $msg; |
44 | } |
45 | |
46 | function getFilename() { |
47 | $filename = ''; |
48 | $filename = $this->header->getParameter('filename'); |
49 | if (!$filename) { |
50 | $filename = $this->header->getParameter('name'); |
51 | } |
52 | |
53 | if (!$filename) { |
54 | $filename = 'untitled-'.$this->entity_id; |
55 | } |
56 | return $filename; |
57 | } |
58 | |
59 | |
60 | function addRFC822Header($read) { |
61 | $header = new Rfc822Header(); |
62 | $this->rfc822_header = $header->parseHeader($read); |
63 | } |
64 | |
65 | function getEntity($ent) { |
66 | $cur_ent = $this->entity_id; |
67 | $msg = $this; |
68 | if (($cur_ent == '') || ($cur_ent == '0')) { |
69 | $cur_ent_a = array(); |
70 | } else { |
71 | $cur_ent_a = explode('.', $this->entity_id); |
72 | } |
73 | $ent_a = explode('.', $ent); |
0a408606 |
74 | |
75 | for ($i = 0,$entCount = count($ent_a) - 1; $i < $entCount; ++$i) { |
19d470aa |
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 = $msg->entities[0]; |
96 | } |
97 | |
0a408606 |
98 | if (isset($msg->entities[($ent_a[$entCount])-1])) { |
99 | if (is_object($msg->entities[($ent_a[$entCount])-1])) { |
100 | $msg = $msg->entities[($ent_a[$entCount]-1)]; |
19d470aa |
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; |
21a50099 |
198 | $arg_a[] = $this->parseProperties($read, $i); |
19d470aa |
199 | ++$arg_no; |
200 | break; |
201 | case 2: |
202 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
203 | ++$i; |
21a50099 |
204 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
205 | } else { /* properties */ |
21a50099 |
206 | $arg_a[] = $msg->parseProperties($read, $i); |
19d470aa |
207 | } |
19d470aa |
208 | ++$arg_no; |
209 | break; |
210 | case 3: |
211 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
212 | ++$i; |
2bf8f74a |
213 | $arg_a[]= $msg->parseLanguage($read, $i); |
19d470aa |
214 | } |
215 | case 7: |
216 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
217 | $msg->header->type0 = $arg_a[0]; |
218 | $msg->header->type1 = $arg_a[1]; |
219 | $msg->type0 = $arg_a[0]; |
220 | $msg->type1 = $arg_a[1]; |
221 | $rfc822_hdr = new Rfc822Header(); |
2bf8f74a |
222 | $msg->rfc822_header = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
19d470aa |
223 | while (($i < $cnt) && ($read{$i} != '(')) { |
224 | ++$i; |
225 | } |
226 | $res = $msg->parseStructure($read, $i); |
227 | $i = $res[1]; |
228 | $msg->addEntity($res[0]); |
229 | } |
230 | break; |
231 | case 8: |
232 | ++$i; |
21a50099 |
233 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
234 | ++$arg_no; |
235 | break; |
236 | case 9: |
237 | ++$i; |
238 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
21a50099 |
239 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
240 | } else { |
21a50099 |
241 | $arg_a[] = $msg->parseLanguage($read, $i); |
19d470aa |
242 | } |
19d470aa |
243 | ++$arg_no; |
244 | break; |
245 | case 10: |
246 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
247 | ++$i; |
21a50099 |
248 | $arg_a[] = $msg->parseLanguage($read, $i); |
19d470aa |
249 | } else { |
250 | $i = $msg->parseParenthesis($read, $i); |
251 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
252 | } |
253 | ++$arg_no; |
254 | break; |
255 | default: |
256 | /* unknown argument, skip this part */ |
257 | $i = $msg->parseParenthesis($read, $i); |
258 | $arg_a[] = ''; |
259 | ++$arg_no; |
260 | break; |
261 | } /* switch */ |
262 | break; |
263 | case '"': |
264 | /* inside an entity -> start processing */ |
265 | $debug = substr($read, $i, 20); |
21a50099 |
266 | $arg_s = $msg->parseQuote($read, $i); |
19d470aa |
267 | ++$arg_no; |
268 | if ($arg_no < 3) { |
269 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
270 | } |
271 | $arg_a[] = $arg_s; |
272 | break; |
273 | case 'n': |
274 | case 'N': |
275 | /* probably NIL argument */ |
276 | if (strtoupper(substr($read, $i, 4)) == 'NIL ') { |
277 | $arg_a[] = ''; |
278 | ++$arg_no; |
279 | $i += 2; |
280 | } |
281 | break; |
282 | case '{': |
283 | /* process the literal value */ |
21a50099 |
284 | $arg_s = $msg->parseLiteral($read, $i); |
19d470aa |
285 | ++$arg_no; |
286 | break; |
287 | case is_numeric($read{$i}): |
288 | /* process integers */ |
289 | if ($read{$i} == ' ') { break; } |
290 | $arg_s = $read{$i};; |
291 | for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) { |
292 | $arg_s .= $read{$i}; |
293 | } |
294 | ++$arg_no; |
295 | $arg_a[] = $arg_s; |
296 | break; |
297 | case ')': |
298 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
299 | if (!$multipart) { |
300 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
301 | $hdr->type0 = $arg_a[0]; |
302 | $hdr->type1 = $arg_a[1]; |
303 | |
304 | $msg->type0 = $arg_a[0]; |
305 | $msg->type1 = $arg_a[1]; |
306 | $arr = $arg_a[2]; |
307 | if (is_array($arr)) { |
308 | $hdr->parameters = $arg_a[2]; |
309 | } |
310 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
311 | $hdr->description = $arg_a[4]; |
312 | $hdr->encoding = strtolower($arg_a[5]); |
313 | $hdr->entity_id = $msg->entity_id; |
314 | $hdr->size = $arg_a[6]; |
315 | if ($shifted_args) { |
316 | $hdr->lines = $arg_a[7]; |
317 | $s = 1; |
318 | } else { |
319 | $s = 0; |
320 | } |
321 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
322 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
323 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
324 | $msg->header = $hdr; |
325 | if ((strrchr($msg->entity_id, '.') == '.0') && ($msg->type0 !='multipart')) { |
326 | $msg->entity_id = $this->entity_id . '.1'; |
327 | } |
328 | } else { |
329 | $hdr->type0 = 'multipart'; |
330 | $hdr->type1 = $arg_a[0]; |
331 | $msg->type0 = 'multipart'; |
332 | $msg->type1 = $arg_a[0]; |
333 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
334 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
335 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
336 | $msg->header = $hdr; |
337 | } |
338 | ++$i; |
339 | return (array($msg, $i)); |
340 | default: break; |
341 | } /* switch */ |
342 | |
343 | } /* for */ |
344 | } /* parsestructure */ |
345 | |
21a50099 |
346 | function parseProperties($read, &$i) { |
19d470aa |
347 | $properties = array(); |
348 | $prop_name = ''; |
349 | |
350 | for (; $read{$i} != ')'; ++$i) { |
351 | $arg_s = ''; |
352 | if ($read{$i} == '"') { |
21a50099 |
353 | $arg_s = $this->parseQuote($read, $i); |
19d470aa |
354 | } else if ($read{$i} == '{') { |
21a50099 |
355 | $arg_s = $this->parseLiteral($read, $i); |
19d470aa |
356 | } |
357 | |
358 | if ($arg_s != '') { |
359 | if ($prop_name == '') { |
360 | $prop_name = strtolower($arg_s); |
361 | $properties[$prop_name] = ''; |
362 | } else if ($prop_name != '') { |
363 | $properties[$prop_name] = $arg_s; |
364 | $prop_name = ''; |
365 | } |
366 | } |
367 | } |
21a50099 |
368 | return $properties; |
19d470aa |
369 | } |
370 | |
2bf8f74a |
371 | function parseEnvelope($read, &$i, $hdr) { |
19d470aa |
372 | $arg_no = 0; |
373 | $arg_a = array(); |
374 | |
375 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
376 | ++$i; |
377 | $char = strtoupper($read{$i}); |
378 | switch ($char) { |
379 | case '"': |
21a50099 |
380 | $arg_a[] = $this->parseQuote($read, $i); |
19d470aa |
381 | ++$arg_no; |
382 | break; |
383 | case '{': |
21a50099 |
384 | $arg_a[] = $this->parseLiteral($read, $i); |
19d470aa |
385 | ++$arg_no; |
386 | break; |
387 | case 'N': |
388 | /* probably NIL argument */ |
389 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
390 | $arg_a[] = ''; |
391 | ++$arg_no; |
392 | $i += 2; |
393 | } |
394 | break; |
395 | case '(': |
396 | /* Address structure (with group support) |
397 | * Note: Group support is useless on SMTP connections |
398 | * because the protocol doesn't support it |
399 | */ |
400 | $addr_a = array(); |
401 | $group = ''; |
402 | $a=0; |
403 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
404 | if ($read{$i} == '(') { |
2bf8f74a |
405 | $addr = $this->parseAddress($read, $i); |
19d470aa |
406 | if (($addr->host == '') && ($addr->mailbox != '')) { |
407 | /* start of group */ |
408 | $group = $addr->mailbox; |
409 | $group_addr = $addr; |
410 | $j = $a; |
411 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
412 | /* end group */ |
413 | if ($a == ($j+1)) { /* no group members */ |
414 | $group_addr->group = $group; |
415 | $group_addr->mailbox = ''; |
416 | $group_addr->personal = "$group: Undisclosed recipients;"; |
417 | $addr_a[] = $group_addr; |
418 | $group =''; |
419 | } |
420 | } else { |
421 | $addr->group = $group; |
422 | $addr_a[] = $addr; |
423 | } |
424 | ++$a; |
425 | } |
426 | } |
427 | $arg_a[] = $addr_a; |
428 | break; |
429 | default: break; |
430 | } |
431 | } |
432 | |
433 | if (count($arg_a) > 9) { |
434 | /* argument 1: date */ |
435 | $d = strtr($arg_a[0], array(' ' => ' ')); |
436 | $d = explode(' ', $d); |
437 | $hdr->date = getTimeStamp($d); |
438 | |
439 | /* argument 2: subject */ |
440 | $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]); |
441 | $hdr->subject = $arg_a[1]; |
442 | |
443 | $hdr->from = $arg_a[2][0]; /* argument 3: from */ |
444 | $hdr->sender = $arg_a[3][0]; /* argument 4: sender */ |
445 | $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */ |
446 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
447 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
448 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
449 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
450 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
451 | } |
2bf8f74a |
452 | return $hdr; |
19d470aa |
453 | } |
454 | |
21a50099 |
455 | function parseLiteral($read, &$i) { |
19d470aa |
456 | $lit_cnt = ''; |
457 | for (++$i; $read{$i} != '}'; ++$i) { |
458 | $lit_cnt .= $read{$i}; |
459 | } |
460 | |
461 | $lit_cnt +=2; /* add the { and } characters */ |
462 | $s = ''; |
463 | for ($j = 0; $j < $lit_cnt; ++$j) { |
464 | $s .= $read{++$i}; |
465 | } |
466 | return (array($s, $i)); |
467 | } |
468 | |
21a50099 |
469 | function parseQuote($read, &$i) { |
19d470aa |
470 | $s = ''; |
471 | for (++$i; $read{$i} != '"'; ++$i) { |
472 | if ($read{$i} == '\\') { |
473 | ++$i; |
474 | } |
475 | $s .= $read{$i}; |
476 | } |
21a50099 |
477 | return $s; |
19d470aa |
478 | } |
479 | |
2bf8f74a |
480 | function parseAddress($read, &$i) { |
19d470aa |
481 | $arg_a = array(); |
482 | |
483 | for (; $read{$i} != ')'; ++$i) { |
484 | $char = strtoupper($read{$i}); |
485 | switch ($char) { |
486 | case '"': |
487 | case '{': |
21a50099 |
488 | $arg_a[] = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i)); |
19d470aa |
489 | break; |
490 | case 'n': |
491 | case 'N': |
492 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
493 | $arg_a[] = ''; |
494 | $i += 2; |
495 | } |
496 | break; |
497 | default: break; |
498 | } |
499 | } |
500 | |
501 | if (count($arg_a) == 4) { |
502 | $adr = new AddressStructure(); |
503 | $adr->personal = $arg_a[0]; |
504 | $adr->adl = $arg_a[1]; |
505 | $adr->mailbox = $arg_a[2]; |
506 | $adr->host = $arg_a[3]; |
507 | } else { |
508 | $adr = ''; |
509 | } |
2bf8f74a |
510 | return $adr; |
19d470aa |
511 | } |
512 | |
21a50099 |
513 | function parseDisposition($read, &$i) { |
19d470aa |
514 | $arg_a = array(); |
19d470aa |
515 | for (; $read{$i} != ')'; ++$i) { |
516 | switch ($read{$i}) { |
21a50099 |
517 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
518 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
519 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
520 | default: break; |
521 | } |
522 | } |
523 | |
524 | if (isset($arg_a[0])) { |
525 | $disp = new Disposition($arg_a[0]); |
526 | if (isset($arg_a[1])) { |
527 | $disp->properties = $arg_a[1]; |
528 | } |
529 | } |
530 | |
21a50099 |
531 | return (is_object($disp) ? $disp : ''); |
19d470aa |
532 | } |
533 | |
21a50099 |
534 | function parseLanguage($read, &$i) { |
19d470aa |
535 | /* no idea how to process this one without examples */ |
536 | $arg_a = array(); |
537 | |
538 | for (; $read{$i} != ')'; ++$i) { |
539 | switch ($read{$i}) { |
21a50099 |
540 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
541 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
542 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
543 | default: break; |
544 | } |
545 | } |
546 | |
547 | if (isset($arg_a[0])) { |
548 | $lang = new Language($arg_a[0]); |
549 | if (isset($arg_a[1])) { |
550 | $lang->properties = $arg_a[1]; |
551 | } |
552 | } |
553 | |
21a50099 |
554 | return (is_object($lang) ? $lang : ''); |
19d470aa |
555 | } |
556 | |
557 | function parseParenthesis($read, $i) { |
558 | for (; $read{$i} != ')'; ++$i) { |
559 | switch ($read{$i}) { |
21a50099 |
560 | case '"': $this->parseQuote($read, $i); break; |
561 | case '{': $this->parseLiteral($read, $i); break; |
562 | case '(': $this->parseProperties($read, $i); break; |
19d470aa |
563 | default: break; |
564 | } |
565 | } |
566 | return $i; |
567 | } |
568 | |
569 | /* Function to fill the message structure in case the */ |
570 | /* bodystructure is not available NOT FINISHED YET */ |
571 | function parseMessage($read, $type0, $type1) { |
572 | switch ($type0) { |
573 | case 'message': |
574 | $rfc822_header = true; |
575 | $mime_header = false; |
576 | break; |
577 | case 'multipart': |
578 | $rfc822_header = false; |
579 | $mime_header = true; |
580 | break; |
581 | default: return $read; |
582 | } |
583 | |
584 | for ($i = 1; $i < $count; ++$i) { |
585 | $line = trim($body[$i]); |
586 | if (($mime_header || $rfc822_header) && |
587 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
588 | $bnd = $reg[1]; |
589 | $bndreg = $bnd; |
590 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
591 | $bndreg = str_replace("?", "\\?", $bndreg); |
592 | $bndreg = str_replace("+", "\\+", $bndreg); |
593 | $bndreg = str_replace(".", "\\.", $bndreg); |
594 | $bndreg = str_replace("/", "\\/", $bndreg); |
595 | $bndreg = str_replace("-", "\\-", $bndreg); |
596 | $bndreg = str_replace("(", "\\(", $bndreg); |
597 | $bndreg = str_replace(")", "\\)", $bndreg); |
598 | } else if ($rfc822_header && $line == '') { |
599 | $rfc822_header = false; |
600 | if ($msg->type0 == 'multipart') { |
601 | $mime_header = true; |
602 | } |
603 | } |
604 | |
605 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
606 | $cnt = count($boundaries)-1; |
607 | $bnd = $boundaries[$cnt]['bnd']; |
608 | $bndreg = $boundaries[$cnt]['bndreg']; |
609 | |
610 | $regstr = '/^--'."($bndreg)".".*".'/'; |
611 | if (preg_match($regstr, $line, $reg)) { |
612 | $bndlen = strlen($reg[1]); |
613 | $bndend = false; |
614 | if (strlen($line) > ($bndlen + 3)) { |
615 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
616 | $bndend = true; |
617 | } |
618 | } |
619 | if ($bndend) { |
620 | /* calc offset and return $msg */ |
621 | //$entStr = CalcEntity("$entStr", -1); |
622 | array_pop($boundaries); |
623 | $mime_header = true; |
624 | $bnd_end = true; |
625 | } else { |
626 | $mime_header = true; |
627 | $bnd_end = false; |
628 | //$entStr = CalcEntity("$entStr", 0); |
629 | ++$content_indx; |
630 | } |
631 | } else { |
632 | if ($header) { } |
633 | } |
634 | } |
635 | } |
636 | } |
637 | |
638 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
639 | $found = false; |
640 | if ($this->type0 == 'multipart') { |
641 | if($this->type1 == 'alternative') { |
642 | $msg = $this->findAlternativeEntity($alt_order); |
643 | if (count($msg->entities) == 0) { |
644 | $entity[] = $msg->entity_id; |
645 | } else { |
646 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
647 | } |
648 | $found = true; |
649 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
650 | $msgs = $this->findRelatedEntity(); |
651 | foreach ($msgs as $msg) { |
652 | if (count($msg->entities) == 0) { |
653 | $entity[] = $msg->entity_id; |
654 | } else { |
655 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
656 | } |
657 | } |
658 | if (count($msgs) > 0) { |
659 | $found = true; |
660 | } |
661 | } else { /* Treat as multipart/mixed */ |
662 | foreach ($this->entities as $ent) { |
663 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
664 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
665 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
666 | $found = true; |
667 | } |
668 | } |
669 | } |
670 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
671 | $type = $this->type0.'/'.$this->type1; |
672 | foreach ($alt_order as $alt) { |
673 | if( ($alt == $type) && isset($this->entity_id) ) { |
674 | if ((count($this->entities) == 0) && |
675 | (strtolower($this->header->disposition->name) != 'attachment')) { |
676 | $entity[] = $this->entity_id; |
677 | $found = true; |
678 | } |
679 | } |
680 | } |
681 | } |
682 | if(!$found) { |
683 | foreach ($this->entities as $ent) { |
684 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
685 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
686 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
687 | $found = true; |
688 | } |
689 | } |
690 | } |
691 | if(!$strict && !$found) { |
692 | if (($this->type0 == 'text') && |
693 | in_array($this->type1, array('plain', 'html', 'message')) && |
694 | isset($this->entity_id)) { |
695 | if (count($this->entities) == 0) { |
696 | if (strtolower($this->header->disposition->name) != 'attachment') { |
697 | $entity[] = $this->entity_id; |
698 | } |
699 | } |
700 | } |
701 | } |
702 | |
703 | return $entity; |
704 | } |
705 | |
706 | function findAlternativeEntity($alt_order) { |
707 | /* If we are dealing with alternative parts then we */ |
708 | /* choose the best viewable message supported by SM. */ |
709 | $best_view = 0; |
710 | $entity = array(); |
711 | foreach($this->entities as $ent) { |
712 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
713 | if ($type == 'multipart/related') { |
714 | $type = $ent->header->getParameter('type'); |
715 | } |
716 | $altCount = count($alt_order); |
717 | for ($j = $best_view; $j < $altCount; ++$j) { |
718 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
719 | $best_view = $j; |
720 | $entity = $ent; |
721 | } |
722 | } |
723 | } |
724 | |
725 | return $entity; |
726 | } |
727 | |
728 | function findRelatedEntity() { |
729 | $msgs = array(); |
730 | |
731 | $entCount = count($this->entities); |
732 | for ($i = 0; $i < $entCount; ++$i) { |
733 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
734 | if ($this->header->getParameter('type') == $type) { |
735 | $msgs[] = $this->entities[$i]; |
736 | } |
737 | } |
738 | |
739 | return $msgs; |
740 | } |
741 | |
742 | function getAttachments($exclude_id=array(), $result = array()) { |
743 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
744 | $this = $this->entities[0]; |
745 | } |
746 | |
747 | if (count($this->entities)) { |
748 | foreach ($this->entities as $entity) { |
749 | $exclude = false; |
750 | |
751 | foreach ($exclude_id as $excl) { |
752 | if ($entity->entity_id === $excl) { |
753 | $exclude = true; |
754 | } |
755 | } |
756 | |
757 | if (!$exclude) { |
758 | if (($entity->type0 == 'multipart') && |
759 | ($entity->type1 != 'related')) { |
760 | $result = $entity->getAttachments($exclude_id, $result); |
761 | } else if ($entity->type0 != 'multipart') { |
762 | $result[] = $entity; |
763 | } |
764 | } |
765 | } |
766 | } else { |
767 | $exclude = false; |
768 | foreach ($exclude_id as $excl) { |
769 | $exclude = $exclude || ($this->entity_id == $excl); |
770 | } |
771 | |
772 | if (!$exclude) { |
773 | $result[] = $this; |
774 | } |
775 | } |
776 | |
777 | return $result; |
778 | } |
a56f52b9 |
779 | |
780 | function initAttachment($type, $name, $location) { |
781 | $attachment = new Message(); |
782 | $mime_header = new MessageHeader(); |
783 | $mime_header->setParameter('name', $name); |
784 | $pos = strpos($type, '/'); |
785 | if ($pos > 0) { |
786 | $mime_header->type0 = substr($type, 0, $pos); |
787 | $mime_header->type1 = substr($type, $pos+1); |
788 | } else { |
789 | $mime_header->type0 = $type; |
790 | } |
791 | $attachment->att_local_name = $location; |
792 | $disposition = new Disposition('attachment'); |
793 | $disposition->properties['filename'] = $name; |
794 | $mime_header->disposition = $disposition; |
795 | $attachment->mime_header = $mime_header; |
796 | $this->entities[]=$attachment; |
797 | } |
19d470aa |
798 | } |
799 | |
800 | ?> |