19d470aa |
1 | <?php |
2 | |
3 | /** |
4 | * Message.class.php |
5 | * |
6c84ba1e |
6 | * Copyright (c) 2003-2005 The SquirrelMail Project Team |
19d470aa |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
2b646597 |
9 | * This contains functions needed to handle mime messages. |
19d470aa |
10 | * |
883d9cd3 |
11 | * @version $Id$ |
2b646597 |
12 | * @package squirrelmail |
19d470aa |
13 | */ |
14 | |
2b646597 |
15 | /** |
16 | * The object that contains a message |
17 | * |
18 | * message is the object that contains messages. It is a recursive |
19 | * object in that through the $entities variable, it can contain |
20 | * more objects of type message. See documentation in mime.txt for |
21 | * a better description of how this works. |
22 | * @package squirrelmail |
23 | */ |
19d470aa |
24 | class Message { |
19d470aa |
25 | var $rfc822_header = '', |
26 | $mime_header = '', |
27 | $flags = '', |
28 | $type0='', |
29 | $type1='', |
30 | $entities = array(), |
0b914738 |
31 | $entity_id = '', |
19d470aa |
32 | $parent_ent, $entity, |
33 | $parent = '', $decoded_body='', |
34 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
35 | $is_mdnsent = 0, |
36 | $body_part = '', |
37 | $offset = 0, /* for fetching body parts out of raw messages */ |
38 | $length = 0, /* for fetching body parts out of raw messages */ |
0b914738 |
39 | $att_local_name = ''; /* location where the tempory attachment |
40 | is stored. For future usage in smtp.php */ |
19d470aa |
41 | |
42 | function setEnt($ent) { |
43 | $this->entity_id= $ent; |
44 | } |
45 | |
46 | function addEntity ($msg) { |
19d470aa |
47 | $this->entities[] = $msg; |
48 | } |
49 | |
50 | function getFilename() { |
02474e43 |
51 | $filename = ''; |
52 | $header = $this->header; |
53 | if (is_object($header->disposition)) { |
54 | $filename = $header->disposition->getProperty('filename'); |
55 | if (trim($filename) == '') { |
56 | $name = decodeHeader($header->disposition->getProperty('name')); |
57 | if (!trim($name)) { |
58 | $name = $header->getParameter('name'); |
59 | if(!trim($name)) { |
60 | if (!trim( $header->id )) { |
61 | $filename = 'untitled-[' . $this->entity_id . ']' ; |
62 | } else { |
63 | $filename = 'cid: ' . $header->id; |
64 | } |
65 | } else { |
66 | $filename = $name; |
67 | } |
68 | } else { |
69 | $filename = $name; |
70 | } |
71 | } |
72 | } else { |
73 | $filename = $header->getParameter('filename'); |
74 | if (!trim($filename)) { |
75 | $filename = $header->getParameter('name'); |
76 | if (!trim($filename)) { |
77 | if (!trim( $header->id )) { |
78 | $filename = 'untitled-[' . $this->entity_id . ']' ; |
79 | } else { |
80 | $filename = 'cid: ' . $header->id; |
81 | } |
82 | } |
83 | } |
84 | } |
85 | return $filename; |
19d470aa |
86 | } |
87 | |
88 | |
89 | function addRFC822Header($read) { |
90 | $header = new Rfc822Header(); |
91 | $this->rfc822_header = $header->parseHeader($read); |
92 | } |
93 | |
94 | function getEntity($ent) { |
95 | $cur_ent = $this->entity_id; |
96 | $msg = $this; |
97 | if (($cur_ent == '') || ($cur_ent == '0')) { |
98 | $cur_ent_a = array(); |
99 | } else { |
100 | $cur_ent_a = explode('.', $this->entity_id); |
101 | } |
102 | $ent_a = explode('.', $ent); |
91e0dccc |
103 | |
0a408606 |
104 | for ($i = 0,$entCount = count($ent_a) - 1; $i < $entCount; ++$i) { |
19d470aa |
105 | if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) { |
106 | $msg = $msg->parent; |
107 | $cur_ent_a = explode('.', $msg->entity_id); |
108 | --$i; |
109 | } else if (!isset($cur_ent_a[$i])) { |
110 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
111 | $msg = $msg->entities[($ent_a[$i]-1)]; |
112 | } else { |
113 | $msg = $msg->entities[0]; |
114 | } |
115 | } |
116 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
117 | /*this is a header for a message/rfc822 entity */ |
118 | $msg = $msg->entities[0]; |
119 | } |
120 | } |
121 | |
122 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
123 | /*this is a header for a message/rfc822 entity */ |
124 | $msg = $msg->entities[0]; |
125 | } |
126 | |
0a408606 |
127 | if (isset($msg->entities[($ent_a[$entCount])-1])) { |
128 | if (is_object($msg->entities[($ent_a[$entCount])-1])) { |
129 | $msg = $msg->entities[($ent_a[$entCount]-1)]; |
19d470aa |
130 | } |
131 | } |
132 | |
133 | return $msg; |
134 | } |
135 | |
136 | function setBody($s) { |
137 | $this->body_part = $s; |
138 | } |
139 | |
140 | function clean_up() { |
141 | $msg = $this; |
142 | $msg->body_part = ''; |
143 | |
144 | foreach ($msg->entities as $m) { |
145 | $m->clean_up(); |
146 | } |
147 | } |
148 | |
149 | function getMailbox() { |
150 | $msg = $this; |
151 | while (is_object($msg->parent)) { |
152 | $msg = $msg->parent; |
153 | } |
154 | return $msg->mailbox; |
155 | } |
156 | |
19d470aa |
157 | /* |
158 | * Bodystructure parser, a recursive function for generating the |
159 | * entity-tree with all the mime-parts. |
160 | * |
161 | * It follows RFC2060 and stores all the described fields in the |
162 | * message object. |
163 | * |
164 | * Question/Bugs: |
165 | * |
166 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
167 | * |
168 | */ |
df627053 |
169 | function parseStructure($read, &$i, $sub_msg = '') { |
e3d6469a |
170 | $msg = Message::parseBodyStructure($read, $i, $sub_msg); |
27dd7a0c |
171 | if($msg) $msg->setEntIds($msg,false,0); |
e3d6469a |
172 | return $msg; |
173 | } |
91e0dccc |
174 | |
e3d6469a |
175 | function setEntIds(&$msg,$init=false,$i=0) { |
176 | $iCnt = count($msg->entities); |
0b914738 |
177 | if ($init !==false) { |
178 | $iEntSub = $i+1; |
91e0dccc |
179 | if ($msg->parent->type0 == 'message' && |
0b914738 |
180 | $msg->parent->type1 == 'rfc822' && |
181 | $msg->type0 == 'multipart') { |
182 | $iEntSub = '0'; |
183 | } |
184 | if ($init) { |
185 | $msg->entity_id = "$init.$iEntSub"; |
186 | } else { |
187 | $msg->entity_id = $iEntSub; |
188 | } |
189 | } else if ($iCnt) { |
190 | $msg->entity_id='0'; |
191 | } else { |
192 | $msg->entity_id='1'; |
193 | } |
e3d6469a |
194 | for ($i=0;$i<$iCnt;++$i) { |
91e0dccc |
195 | $msg->entities[$i]->parent =& $msg; |
196 | if (strrchr($msg->entity_id, '.') != '.0') { |
0b914738 |
197 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->entity_id,$i); |
198 | } else { |
199 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->parent->entity_id,$i); |
200 | } |
201 | } |
e3d6469a |
202 | } |
203 | |
204 | function parseBodyStructure($read, &$i, $sub_msg = '') { |
19d470aa |
205 | $arg_no = 0; |
206 | $arg_a = array(); |
0b914738 |
207 | if ($sub_msg) { |
208 | $message = $sub_msg; |
209 | } else { |
210 | $message = new Message(); |
211 | } |
91e0dccc |
212 | |
19d470aa |
213 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
214 | $char = strtoupper($read{$i}); |
215 | switch ($char) { |
216 | case '(': |
217 | switch($arg_no) { |
218 | case 0: |
219 | if (!isset($msg)) { |
220 | $msg = new Message(); |
221 | $hdr = new MessageHeader(); |
222 | $hdr->type0 = 'text'; |
223 | $hdr->type1 = 'plain'; |
224 | $hdr->encoding = 'us-ascii'; |
19d470aa |
225 | } else { |
226 | $msg->header->type0 = 'multipart'; |
227 | $msg->type0 = 'multipart'; |
228 | while ($read{$i} == '(') { |
055659ab |
229 | $msg->addEntity($msg->parseBodyStructure($read, $i, $msg)); |
19d470aa |
230 | } |
231 | } |
232 | break; |
233 | case 1: |
234 | /* multipart properties */ |
235 | ++$i; |
055659ab |
236 | $arg_a[] = $msg->parseProperties($read, $i); |
19d470aa |
237 | ++$arg_no; |
238 | break; |
239 | case 2: |
240 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
241 | ++$i; |
055659ab |
242 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
243 | } else { /* properties */ |
055659ab |
244 | $arg_a[] = $msg->parseProperties($read, $i); |
19d470aa |
245 | } |
19d470aa |
246 | ++$arg_no; |
247 | break; |
248 | case 3: |
249 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
250 | ++$i; |
055659ab |
251 | $arg_a[]= $msg->parseLanguage($read, $i); |
19d470aa |
252 | } |
253 | case 7: |
254 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
255 | $msg->header->type0 = $arg_a[0]; |
256 | $msg->header->type1 = $arg_a[1]; |
257 | $msg->type0 = $arg_a[0]; |
258 | $msg->type1 = $arg_a[1]; |
259 | $rfc822_hdr = new Rfc822Header(); |
055659ab |
260 | $msg->rfc822_header = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
19d470aa |
261 | while (($i < $cnt) && ($read{$i} != '(')) { |
262 | ++$i; |
263 | } |
055659ab |
264 | $msg->addEntity($msg->parseBodyStructure($read, $i,$msg)); |
19d470aa |
265 | } |
266 | break; |
267 | case 8: |
268 | ++$i; |
055659ab |
269 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
270 | ++$arg_no; |
271 | break; |
272 | case 9: |
273 | ++$i; |
274 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
055659ab |
275 | $arg_a[] = $msg->parseDisposition($read, $i); |
19d470aa |
276 | } else { |
055659ab |
277 | $arg_a[] = $msg->parseLanguage($read, $i); |
19d470aa |
278 | } |
19d470aa |
279 | ++$arg_no; |
280 | break; |
281 | case 10: |
282 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
283 | ++$i; |
055659ab |
284 | $arg_a[] = $msg->parseLanguage($read, $i); |
19d470aa |
285 | } else { |
055659ab |
286 | $i = $msg->parseParenthesis($read, $i); |
19d470aa |
287 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
288 | } |
289 | ++$arg_no; |
290 | break; |
291 | default: |
292 | /* unknown argument, skip this part */ |
055659ab |
293 | $i = $msg->parseParenthesis($read, $i); |
19d470aa |
294 | $arg_a[] = ''; |
295 | ++$arg_no; |
296 | break; |
297 | } /* switch */ |
298 | break; |
299 | case '"': |
300 | /* inside an entity -> start processing */ |
055659ab |
301 | $arg_s = $msg->parseQuote($read, $i); |
19d470aa |
302 | ++$arg_no; |
303 | if ($arg_no < 3) { |
304 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
305 | } |
306 | $arg_a[] = $arg_s; |
307 | break; |
308 | case 'n': |
309 | case 'N': |
310 | /* probably NIL argument */ |
27dd7a0c |
311 | $tmpnil = strtoupper(substr($read, $i, 4)); |
312 | if ($tmpnil == 'NIL ' || $tmpnil == 'NIL)') { |
19d470aa |
313 | $arg_a[] = ''; |
314 | ++$arg_no; |
315 | $i += 2; |
316 | } |
317 | break; |
318 | case '{': |
319 | /* process the literal value */ |
055659ab |
320 | $arg_a[] = $msg->parseLiteral($read, $i); |
19d470aa |
321 | ++$arg_no; |
322 | break; |
91e0dccc |
323 | case '0': |
19d470aa |
324 | case is_numeric($read{$i}): |
325 | /* process integers */ |
326 | if ($read{$i} == ' ') { break; } |
0b914738 |
327 | ++$arg_no; |
328 | if (preg_match('/^([0-9]+).*/',substr($read,$i), $regs)) { |
329 | $i += strlen($regs[1])-1; |
330 | $arg_a[] = $regs[1]; |
331 | } else { |
332 | $arg_a[] = 0; |
333 | } |
19d470aa |
334 | break; |
335 | case ')': |
336 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
337 | if (!$multipart) { |
338 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
339 | $hdr->type0 = $arg_a[0]; |
340 | $hdr->type1 = $arg_a[1]; |
341 | |
342 | $msg->type0 = $arg_a[0]; |
343 | $msg->type1 = $arg_a[1]; |
344 | $arr = $arg_a[2]; |
345 | if (is_array($arr)) { |
346 | $hdr->parameters = $arg_a[2]; |
347 | } |
348 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
349 | $hdr->description = $arg_a[4]; |
350 | $hdr->encoding = strtolower($arg_a[5]); |
351 | $hdr->entity_id = $msg->entity_id; |
352 | $hdr->size = $arg_a[6]; |
353 | if ($shifted_args) { |
354 | $hdr->lines = $arg_a[7]; |
355 | $s = 1; |
356 | } else { |
357 | $s = 0; |
358 | } |
359 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
360 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
361 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
362 | $msg->header = $hdr; |
19d470aa |
363 | } else { |
364 | $hdr->type0 = 'multipart'; |
365 | $hdr->type1 = $arg_a[0]; |
366 | $msg->type0 = 'multipart'; |
367 | $msg->type1 = $arg_a[0]; |
368 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
369 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
370 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
371 | $msg->header = $hdr; |
372 | } |
df627053 |
373 | return $msg; |
19d470aa |
374 | default: break; |
375 | } /* switch */ |
19d470aa |
376 | } /* for */ |
377 | } /* parsestructure */ |
378 | |
21a50099 |
379 | function parseProperties($read, &$i) { |
19d470aa |
380 | $properties = array(); |
381 | $prop_name = ''; |
382 | |
383 | for (; $read{$i} != ')'; ++$i) { |
384 | $arg_s = ''; |
385 | if ($read{$i} == '"') { |
21a50099 |
386 | $arg_s = $this->parseQuote($read, $i); |
19d470aa |
387 | } else if ($read{$i} == '{') { |
21a50099 |
388 | $arg_s = $this->parseLiteral($read, $i); |
19d470aa |
389 | } |
390 | |
391 | if ($arg_s != '') { |
392 | if ($prop_name == '') { |
393 | $prop_name = strtolower($arg_s); |
394 | $properties[$prop_name] = ''; |
395 | } else if ($prop_name != '') { |
396 | $properties[$prop_name] = $arg_s; |
397 | $prop_name = ''; |
398 | } |
399 | } |
400 | } |
21a50099 |
401 | return $properties; |
19d470aa |
402 | } |
403 | |
2bf8f74a |
404 | function parseEnvelope($read, &$i, $hdr) { |
19d470aa |
405 | $arg_no = 0; |
406 | $arg_a = array(); |
3cb8baa6 |
407 | ++$i; |
19d470aa |
408 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
19d470aa |
409 | $char = strtoupper($read{$i}); |
410 | switch ($char) { |
411 | case '"': |
21a50099 |
412 | $arg_a[] = $this->parseQuote($read, $i); |
19d470aa |
413 | ++$arg_no; |
414 | break; |
415 | case '{': |
21a50099 |
416 | $arg_a[] = $this->parseLiteral($read, $i); |
0b914738 |
417 | /* temp bugfix (SM 1.5 will have a working clean version) |
418 | too much work to implement that version right now */ |
419 | // --$i; |
19d470aa |
420 | ++$arg_no; |
421 | break; |
422 | case 'N': |
423 | /* probably NIL argument */ |
424 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
425 | $arg_a[] = ''; |
426 | ++$arg_no; |
427 | $i += 2; |
428 | } |
429 | break; |
430 | case '(': |
431 | /* Address structure (with group support) |
432 | * Note: Group support is useless on SMTP connections |
433 | * because the protocol doesn't support it |
434 | */ |
435 | $addr_a = array(); |
436 | $group = ''; |
437 | $a=0; |
438 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
439 | if ($read{$i} == '(') { |
2bf8f74a |
440 | $addr = $this->parseAddress($read, $i); |
19d470aa |
441 | if (($addr->host == '') && ($addr->mailbox != '')) { |
442 | /* start of group */ |
443 | $group = $addr->mailbox; |
444 | $group_addr = $addr; |
445 | $j = $a; |
446 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
447 | /* end group */ |
448 | if ($a == ($j+1)) { /* no group members */ |
449 | $group_addr->group = $group; |
450 | $group_addr->mailbox = ''; |
451 | $group_addr->personal = "$group: Undisclosed recipients;"; |
452 | $addr_a[] = $group_addr; |
453 | $group =''; |
454 | } |
455 | } else { |
456 | $addr->group = $group; |
457 | $addr_a[] = $addr; |
458 | } |
459 | ++$a; |
460 | } |
461 | } |
462 | $arg_a[] = $addr_a; |
463 | break; |
464 | default: break; |
465 | } |
466 | } |
467 | |
468 | if (count($arg_a) > 9) { |
19d470aa |
469 | $d = strtr($arg_a[0], array(' ' => ' ')); |
470 | $d = explode(' ', $d); |
91e0dccc |
471 | if (!$arg_a[1]) $arg_a[1] = _("(no subject)"); |
19d470aa |
472 | |
8750d90e |
473 | $hdr->date = getTimeStamp($d); /* argument 1: date */ |
474 | $hdr->subject = $arg_a[1]; /* argument 2: subject */ |
df0db9ce |
475 | $hdr->from = is_array($arg_a[2]) ? $arg_a[2][0] : ''; /* argument 3: from */ |
476 | $hdr->sender = is_array($arg_a[3]) ? $arg_a[3][0] : ''; /* argument 4: sender */ |
477 | $hdr->replyto = is_array($arg_a[4]) ? $arg_a[4][0] : ''; /* argument 5: reply-to */ |
19d470aa |
478 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
479 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
480 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
481 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
482 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
483 | } |
2bf8f74a |
484 | return $hdr; |
19d470aa |
485 | } |
486 | |
21a50099 |
487 | function parseLiteral($read, &$i) { |
19d470aa |
488 | $lit_cnt = ''; |
0b914738 |
489 | ++$i; |
490 | $iPos = strpos($read,'}',$i); |
491 | if ($iPos) { |
492 | $lit_cnt = substr($read, $i, $iPos - $i); |
493 | $i += strlen($lit_cnt) + 3; /* skip } + \r + \n */ |
494 | /* Now read the literal */ |
495 | $s = ($lit_cnt ? substr($read,$i,$lit_cnt): ''); |
496 | $i += $lit_cnt; |
497 | /* temp bugfix (SM 1.5 will have a working clean version) |
498 | too much work to implement that version right now */ |
499 | --$i; |
500 | } else { /* should never happen */ |
501 | $i += 3; /* } + \r + \n */ |
502 | $s = ''; |
503 | } |
5520fad8 |
504 | return $s; |
19d470aa |
505 | } |
506 | |
21a50099 |
507 | function parseQuote($read, &$i) { |
19d470aa |
508 | $s = ''; |
0b914738 |
509 | $iPos = ++$i; |
510 | while (true) { |
511 | $iPos = strpos($read,'"',$iPos); |
512 | if (!$iPos) break; |
513 | if ($iPos && $read{$iPos -1} != '\\') { |
514 | $s = substr($read,$i,($iPos-$i)); |
515 | $i = $iPos; |
516 | break; |
517 | } |
518 | ++$iPos; |
519 | if ($iPos > strlen($read)) { |
520 | break; |
521 | } |
522 | } |
21a50099 |
523 | return $s; |
19d470aa |
524 | } |
525 | |
2bf8f74a |
526 | function parseAddress($read, &$i) { |
19d470aa |
527 | $arg_a = array(); |
19d470aa |
528 | for (; $read{$i} != ')'; ++$i) { |
529 | $char = strtoupper($read{$i}); |
530 | switch ($char) { |
df627053 |
531 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
532 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
19d470aa |
533 | case 'n': |
534 | case 'N': |
535 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
536 | $arg_a[] = ''; |
537 | $i += 2; |
538 | } |
539 | break; |
540 | default: break; |
541 | } |
542 | } |
543 | |
544 | if (count($arg_a) == 4) { |
545 | $adr = new AddressStructure(); |
546 | $adr->personal = $arg_a[0]; |
547 | $adr->adl = $arg_a[1]; |
548 | $adr->mailbox = $arg_a[2]; |
549 | $adr->host = $arg_a[3]; |
550 | } else { |
551 | $adr = ''; |
552 | } |
2bf8f74a |
553 | return $adr; |
19d470aa |
554 | } |
555 | |
21a50099 |
556 | function parseDisposition($read, &$i) { |
19d470aa |
557 | $arg_a = array(); |
19d470aa |
558 | for (; $read{$i} != ')'; ++$i) { |
559 | switch ($read{$i}) { |
21a50099 |
560 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
561 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
562 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
563 | default: break; |
564 | } |
565 | } |
566 | |
567 | if (isset($arg_a[0])) { |
568 | $disp = new Disposition($arg_a[0]); |
569 | if (isset($arg_a[1])) { |
570 | $disp->properties = $arg_a[1]; |
571 | } |
572 | } |
573 | |
21a50099 |
574 | return (is_object($disp) ? $disp : ''); |
19d470aa |
575 | } |
576 | |
21a50099 |
577 | function parseLanguage($read, &$i) { |
19d470aa |
578 | /* no idea how to process this one without examples */ |
579 | $arg_a = array(); |
580 | |
581 | for (; $read{$i} != ')'; ++$i) { |
582 | switch ($read{$i}) { |
21a50099 |
583 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
584 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
585 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
586 | default: break; |
587 | } |
588 | } |
589 | |
590 | if (isset($arg_a[0])) { |
591 | $lang = new Language($arg_a[0]); |
592 | if (isset($arg_a[1])) { |
593 | $lang->properties = $arg_a[1]; |
594 | } |
595 | } |
596 | |
21a50099 |
597 | return (is_object($lang) ? $lang : ''); |
19d470aa |
598 | } |
599 | |
600 | function parseParenthesis($read, $i) { |
601 | for (; $read{$i} != ')'; ++$i) { |
602 | switch ($read{$i}) { |
21a50099 |
603 | case '"': $this->parseQuote($read, $i); break; |
604 | case '{': $this->parseLiteral($read, $i); break; |
605 | case '(': $this->parseProperties($read, $i); break; |
19d470aa |
606 | default: break; |
607 | } |
608 | } |
609 | return $i; |
610 | } |
611 | |
612 | /* Function to fill the message structure in case the */ |
613 | /* bodystructure is not available NOT FINISHED YET */ |
614 | function parseMessage($read, $type0, $type1) { |
615 | switch ($type0) { |
616 | case 'message': |
617 | $rfc822_header = true; |
618 | $mime_header = false; |
619 | break; |
620 | case 'multipart': |
621 | $rfc822_header = false; |
622 | $mime_header = true; |
623 | break; |
624 | default: return $read; |
625 | } |
626 | |
627 | for ($i = 1; $i < $count; ++$i) { |
628 | $line = trim($body[$i]); |
629 | if (($mime_header || $rfc822_header) && |
630 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
631 | $bnd = $reg[1]; |
632 | $bndreg = $bnd; |
633 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
634 | $bndreg = str_replace("?", "\\?", $bndreg); |
635 | $bndreg = str_replace("+", "\\+", $bndreg); |
636 | $bndreg = str_replace(".", "\\.", $bndreg); |
637 | $bndreg = str_replace("/", "\\/", $bndreg); |
638 | $bndreg = str_replace("-", "\\-", $bndreg); |
639 | $bndreg = str_replace("(", "\\(", $bndreg); |
640 | $bndreg = str_replace(")", "\\)", $bndreg); |
641 | } else if ($rfc822_header && $line == '') { |
642 | $rfc822_header = false; |
643 | if ($msg->type0 == 'multipart') { |
644 | $mime_header = true; |
645 | } |
646 | } |
647 | |
648 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
649 | $cnt = count($boundaries)-1; |
650 | $bnd = $boundaries[$cnt]['bnd']; |
651 | $bndreg = $boundaries[$cnt]['bndreg']; |
652 | |
653 | $regstr = '/^--'."($bndreg)".".*".'/'; |
654 | if (preg_match($regstr, $line, $reg)) { |
655 | $bndlen = strlen($reg[1]); |
656 | $bndend = false; |
657 | if (strlen($line) > ($bndlen + 3)) { |
658 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
659 | $bndend = true; |
660 | } |
661 | } |
662 | if ($bndend) { |
663 | /* calc offset and return $msg */ |
664 | //$entStr = CalcEntity("$entStr", -1); |
665 | array_pop($boundaries); |
666 | $mime_header = true; |
667 | $bnd_end = true; |
668 | } else { |
669 | $mime_header = true; |
670 | $bnd_end = false; |
671 | //$entStr = CalcEntity("$entStr", 0); |
672 | ++$content_indx; |
673 | } |
674 | } else { |
675 | if ($header) { } |
676 | } |
677 | } |
678 | } |
679 | } |
680 | |
681 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
682 | $found = false; |
683 | if ($this->type0 == 'multipart') { |
684 | if($this->type1 == 'alternative') { |
685 | $msg = $this->findAlternativeEntity($alt_order); |
686 | if (count($msg->entities) == 0) { |
687 | $entity[] = $msg->entity_id; |
688 | } else { |
689 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
690 | } |
691 | $found = true; |
692 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
693 | $msgs = $this->findRelatedEntity(); |
694 | foreach ($msgs as $msg) { |
695 | if (count($msg->entities) == 0) { |
696 | $entity[] = $msg->entity_id; |
697 | } else { |
698 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
699 | } |
700 | } |
701 | if (count($msgs) > 0) { |
702 | $found = true; |
703 | } |
704 | } else { /* Treat as multipart/mixed */ |
705 | foreach ($this->entities as $ent) { |
c102e0a7 |
706 | if(!(is_object($ent->header->disposition) && strtolower($ent->header->disposition->name) == 'attachment') && |
0b914738 |
707 | (!isset($ent->header->parameters['filename'])) && |
708 | (!isset($ent->header->parameters['name'])) && |
19d470aa |
709 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
710 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
711 | $found = true; |
712 | } |
713 | } |
714 | } |
715 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
716 | $type = $this->type0.'/'.$this->type1; |
0b914738 |
717 | // $alt_order[] = "message/rfc822"; |
19d470aa |
718 | foreach ($alt_order as $alt) { |
719 | if( ($alt == $type) && isset($this->entity_id) ) { |
91e0dccc |
720 | if ((count($this->entities) == 0) && |
c102e0a7 |
721 | (!isset($this->header->parameters['filename'])) && |
722 | (!isset($this->header->parameters['name'])) && |
723 | isset($this->header->disposition) && is_object($this->header->disposition) && |
724 | !(is_object($this->header->disposition) && strtolower($this->header->disposition->name) == 'attachment')) { |
19d470aa |
725 | $entity[] = $this->entity_id; |
726 | $found = true; |
727 | } |
728 | } |
729 | } |
730 | } |
731 | if(!$found) { |
732 | foreach ($this->entities as $ent) { |
c102e0a7 |
733 | if(!(is_object($ent->header->disposition) && strtolower($ent->header->disposition->name) == 'attachment') && |
19d470aa |
734 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
735 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
736 | $found = true; |
737 | } |
738 | } |
739 | } |
740 | if(!$strict && !$found) { |
741 | if (($this->type0 == 'text') && |
742 | in_array($this->type1, array('plain', 'html', 'message')) && |
743 | isset($this->entity_id)) { |
744 | if (count($this->entities) == 0) { |
c102e0a7 |
745 | if (!is_object($this->header->disposition) || strtolower($this->header->disposition->name) != 'attachment') { |
19d470aa |
746 | $entity[] = $this->entity_id; |
747 | } |
748 | } |
749 | } |
750 | } |
19d470aa |
751 | return $entity; |
752 | } |
753 | |
754 | function findAlternativeEntity($alt_order) { |
755 | /* If we are dealing with alternative parts then we */ |
756 | /* choose the best viewable message supported by SM. */ |
757 | $best_view = 0; |
758 | $entity = array(); |
759 | foreach($this->entities as $ent) { |
760 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
761 | if ($type == 'multipart/related') { |
762 | $type = $ent->header->getParameter('type'); |
0b914738 |
763 | // Mozilla bug. Mozilla does not provide the parameter type. |
764 | if (!$type) $type = 'text/html'; |
19d470aa |
765 | } |
766 | $altCount = count($alt_order); |
767 | for ($j = $best_view; $j < $altCount; ++$j) { |
768 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
769 | $best_view = $j; |
770 | $entity = $ent; |
771 | } |
772 | } |
773 | } |
774 | |
775 | return $entity; |
776 | } |
777 | |
778 | function findRelatedEntity() { |
779 | $msgs = array(); |
0b914738 |
780 | $related_type = $this->header->getParameter('type'); |
781 | // Mozilla bug. Mozilla does not provide the parameter type. |
782 | if (!$related_type) $related_type = 'text/html'; |
19d470aa |
783 | $entCount = count($this->entities); |
784 | for ($i = 0; $i < $entCount; ++$i) { |
785 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
0b914738 |
786 | if ($related_type == $type) { |
19d470aa |
787 | $msgs[] = $this->entities[$i]; |
788 | } |
789 | } |
19d470aa |
790 | return $msgs; |
791 | } |
792 | |
793 | function getAttachments($exclude_id=array(), $result = array()) { |
e3d6469a |
794 | /* |
91e0dccc |
795 | if (($this->type0 == 'message') && |
0b914738 |
796 | ($this->type1 == 'rfc822') && |
797 | ($this->entity_id) ) { |
19d470aa |
798 | $this = $this->entities[0]; |
799 | } |
e3d6469a |
800 | */ |
19d470aa |
801 | if (count($this->entities)) { |
802 | foreach ($this->entities as $entity) { |
803 | $exclude = false; |
19d470aa |
804 | foreach ($exclude_id as $excl) { |
805 | if ($entity->entity_id === $excl) { |
806 | $exclude = true; |
807 | } |
808 | } |
809 | |
810 | if (!$exclude) { |
811 | if (($entity->type0 == 'multipart') && |
812 | ($entity->type1 != 'related')) { |
813 | $result = $entity->getAttachments($exclude_id, $result); |
814 | } else if ($entity->type0 != 'multipart') { |
815 | $result[] = $entity; |
816 | } |
817 | } |
818 | } |
819 | } else { |
820 | $exclude = false; |
821 | foreach ($exclude_id as $excl) { |
822 | $exclude = $exclude || ($this->entity_id == $excl); |
823 | } |
824 | |
825 | if (!$exclude) { |
826 | $result[] = $this; |
827 | } |
828 | } |
19d470aa |
829 | return $result; |
830 | } |
91e0dccc |
831 | |
a56f52b9 |
832 | function initAttachment($type, $name, $location) { |
833 | $attachment = new Message(); |
834 | $mime_header = new MessageHeader(); |
835 | $mime_header->setParameter('name', $name); |
0b914738 |
836 | $pos = strpos($type, '/'); |
837 | if ($pos > 0) { |
838 | $mime_header->type0 = substr($type, 0, $pos); |
839 | $mime_header->type1 = substr($type, $pos+1); |
840 | } else { |
841 | $mime_header->type0 = $type; |
842 | } |
843 | $attachment->att_local_name = $location; |
844 | $disposition = new Disposition('attachment'); |
845 | $disposition->properties['filename'] = $name; |
846 | $mime_header->disposition = $disposition; |
847 | $attachment->mime_header = $mime_header; |
848 | $this->entities[]=$attachment; |
a56f52b9 |
849 | } |
19d470aa |
850 | } |
851 | |
91e0dccc |
852 | ?> |