19d470aa |
1 | <?php |
2 | |
3 | /** |
4 | * Message.class.php |
5 | * |
76911253 |
6 | * Copyright (c) 2003 The SquirrelMail Project Team |
19d470aa |
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) { |
19d470aa |
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('.', $ent); |
0a408606 |
73 | |
74 | for ($i = 0,$entCount = count($ent_a) - 1; $i < $entCount; ++$i) { |
19d470aa |
75 | if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) { |
76 | $msg = $msg->parent; |
77 | $cur_ent_a = explode('.', $msg->entity_id); |
78 | --$i; |
79 | } else if (!isset($cur_ent_a[$i])) { |
80 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
81 | $msg = $msg->entities[($ent_a[$i]-1)]; |
82 | } else { |
83 | $msg = $msg->entities[0]; |
84 | } |
85 | } |
86 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
87 | /*this is a header for a message/rfc822 entity */ |
88 | $msg = $msg->entities[0]; |
89 | } |
90 | } |
91 | |
92 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
93 | /*this is a header for a message/rfc822 entity */ |
94 | $msg = $msg->entities[0]; |
95 | } |
96 | |
0a408606 |
97 | if (isset($msg->entities[($ent_a[$entCount])-1])) { |
98 | if (is_object($msg->entities[($ent_a[$entCount])-1])) { |
99 | $msg = $msg->entities[($ent_a[$entCount]-1)]; |
19d470aa |
100 | } |
101 | } |
102 | |
103 | return $msg; |
104 | } |
105 | |
106 | function setBody($s) { |
107 | $this->body_part = $s; |
108 | } |
109 | |
110 | function clean_up() { |
111 | $msg = $this; |
112 | $msg->body_part = ''; |
113 | |
114 | foreach ($msg->entities as $m) { |
115 | $m->clean_up(); |
116 | } |
117 | } |
118 | |
119 | function getMailbox() { |
120 | $msg = $this; |
121 | while (is_object($msg->parent)) { |
122 | $msg = $msg->parent; |
123 | } |
124 | return $msg->mailbox; |
125 | } |
126 | |
19d470aa |
127 | /* |
128 | * Bodystructure parser, a recursive function for generating the |
129 | * entity-tree with all the mime-parts. |
130 | * |
131 | * It follows RFC2060 and stores all the described fields in the |
132 | * message object. |
133 | * |
134 | * Question/Bugs: |
135 | * |
136 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
137 | * |
138 | */ |
df627053 |
139 | function parseStructure($read, &$i, $sub_msg = '') { |
e3d6469a |
140 | $msg = Message::parseBodyStructure($read, $i, $sub_msg); |
27dd7a0c |
141 | if($msg) $msg->setEntIds($msg,false,0); |
e3d6469a |
142 | return $msg; |
143 | } |
144 | |
145 | function setEntIds(&$msg,$init=false,$i=0) { |
146 | $iCnt = count($msg->entities); |
147 | if ($init !==false) { |
148 | $iEntSub = $i+1; |
149 | if ($msg->parent->type0 == 'message' && |
150 | $msg->parent->type1 == 'rfc822' && |
151 | $msg->type0 == 'multipart') { |
152 | $iEntSub = '0'; |
153 | } |
154 | if ($init) { |
155 | $msg->entity_id = "$init.$iEntSub"; |
156 | } else { |
157 | $msg->entity_id = $iEntSub; |
158 | } |
159 | } else if ($iCnt) { |
160 | $msg->entity_id='0'; |
161 | } else { |
162 | $msg->entity_id='1'; |
163 | } |
164 | for ($i=0;$i<$iCnt;++$i) { |
165 | $msg->entities[$i]->parent =& $msg; |
166 | if (strrchr($msg->entity_id, '.') != '.0') { |
167 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->entity_id,$i); |
168 | } else { |
169 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->parent->entity_id,$i); |
170 | } |
171 | |
172 | } |
173 | } |
174 | |
175 | function parseBodyStructure($read, &$i, $sub_msg = '') { |
19d470aa |
176 | $arg_no = 0; |
177 | $arg_a = array(); |
df627053 |
178 | if ($sub_msg) { |
179 | $message = $sub_msg; |
180 | } else { |
181 | $message = new Message(); |
182 | } |
183 | $this = $message; |
19d470aa |
184 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
185 | $char = strtoupper($read{$i}); |
186 | switch ($char) { |
187 | case '(': |
188 | switch($arg_no) { |
189 | case 0: |
190 | if (!isset($msg)) { |
191 | $msg = new Message(); |
192 | $hdr = new MessageHeader(); |
193 | $hdr->type0 = 'text'; |
194 | $hdr->type1 = 'plain'; |
195 | $hdr->encoding = 'us-ascii'; |
19d470aa |
196 | } else { |
197 | $msg->header->type0 = 'multipart'; |
198 | $msg->type0 = 'multipart'; |
199 | while ($read{$i} == '(') { |
e3d6469a |
200 | $msg->addEntity($this->parseBodyStructure($read, $i, $msg)); |
19d470aa |
201 | } |
202 | } |
203 | break; |
204 | case 1: |
205 | /* multipart properties */ |
206 | ++$i; |
21a50099 |
207 | $arg_a[] = $this->parseProperties($read, $i); |
19d470aa |
208 | ++$arg_no; |
209 | break; |
210 | case 2: |
211 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
212 | ++$i; |
df627053 |
213 | $arg_a[] = $this->parseDisposition($read, $i); |
19d470aa |
214 | } else { /* properties */ |
df627053 |
215 | $arg_a[] = $this->parseProperties($read, $i); |
19d470aa |
216 | } |
19d470aa |
217 | ++$arg_no; |
218 | break; |
219 | case 3: |
220 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
221 | ++$i; |
df627053 |
222 | $arg_a[]= $this->parseLanguage($read, $i); |
19d470aa |
223 | } |
224 | case 7: |
225 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
226 | $msg->header->type0 = $arg_a[0]; |
227 | $msg->header->type1 = $arg_a[1]; |
228 | $msg->type0 = $arg_a[0]; |
229 | $msg->type1 = $arg_a[1]; |
230 | $rfc822_hdr = new Rfc822Header(); |
df627053 |
231 | $msg->rfc822_header = $this->parseEnvelope($read, $i, $rfc822_hdr); |
19d470aa |
232 | while (($i < $cnt) && ($read{$i} != '(')) { |
233 | ++$i; |
234 | } |
e3d6469a |
235 | $msg->addEntity($this->parseBodyStructure($read, $i,$msg)); |
19d470aa |
236 | } |
237 | break; |
238 | case 8: |
239 | ++$i; |
df627053 |
240 | $arg_a[] = $this->parseDisposition($read, $i); |
19d470aa |
241 | ++$arg_no; |
242 | break; |
243 | case 9: |
244 | ++$i; |
245 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
df627053 |
246 | $arg_a[] = $this->parseDisposition($read, $i); |
19d470aa |
247 | } else { |
df627053 |
248 | $arg_a[] = $this->parseLanguage($read, $i); |
19d470aa |
249 | } |
19d470aa |
250 | ++$arg_no; |
251 | break; |
252 | case 10: |
253 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
254 | ++$i; |
df627053 |
255 | $arg_a[] = $this->parseLanguage($read, $i); |
19d470aa |
256 | } else { |
df627053 |
257 | $i = $this->parseParenthesis($read, $i); |
19d470aa |
258 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
259 | } |
260 | ++$arg_no; |
261 | break; |
262 | default: |
263 | /* unknown argument, skip this part */ |
df627053 |
264 | $i = $this->parseParenthesis($read, $i); |
19d470aa |
265 | $arg_a[] = ''; |
266 | ++$arg_no; |
267 | break; |
268 | } /* switch */ |
269 | break; |
270 | case '"': |
271 | /* inside an entity -> start processing */ |
df627053 |
272 | $arg_s = $this->parseQuote($read, $i); |
19d470aa |
273 | ++$arg_no; |
274 | if ($arg_no < 3) { |
275 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
276 | } |
277 | $arg_a[] = $arg_s; |
278 | break; |
279 | case 'n': |
280 | case 'N': |
281 | /* probably NIL argument */ |
27dd7a0c |
282 | $tmpnil = strtoupper(substr($read, $i, 4)); |
283 | if ($tmpnil == 'NIL ' || $tmpnil == 'NIL)') { |
19d470aa |
284 | $arg_a[] = ''; |
285 | ++$arg_no; |
286 | $i += 2; |
287 | } |
288 | break; |
289 | case '{': |
290 | /* process the literal value */ |
df627053 |
291 | $arg_s = $this->parseLiteral($read, $i); |
19d470aa |
292 | ++$arg_no; |
293 | break; |
df627053 |
294 | case '0': |
19d470aa |
295 | case is_numeric($read{$i}): |
296 | /* process integers */ |
297 | if ($read{$i} == ' ') { break; } |
df627053 |
298 | ++$arg_no; |
299 | if (preg_match('/^([0-9]+).*/',substr($read,$i), $regs)) { |
300 | $i += strlen($regs[1])-1; |
301 | $arg_a[] = $regs[1]; |
302 | } else { |
303 | $arg_a[] = 0; |
304 | } |
19d470aa |
305 | break; |
306 | case ')': |
307 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
308 | if (!$multipart) { |
309 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
310 | $hdr->type0 = $arg_a[0]; |
311 | $hdr->type1 = $arg_a[1]; |
312 | |
313 | $msg->type0 = $arg_a[0]; |
314 | $msg->type1 = $arg_a[1]; |
315 | $arr = $arg_a[2]; |
316 | if (is_array($arr)) { |
317 | $hdr->parameters = $arg_a[2]; |
318 | } |
319 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
320 | $hdr->description = $arg_a[4]; |
321 | $hdr->encoding = strtolower($arg_a[5]); |
322 | $hdr->entity_id = $msg->entity_id; |
323 | $hdr->size = $arg_a[6]; |
324 | if ($shifted_args) { |
325 | $hdr->lines = $arg_a[7]; |
326 | $s = 1; |
327 | } else { |
328 | $s = 0; |
329 | } |
330 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
331 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
332 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
333 | $msg->header = $hdr; |
19d470aa |
334 | } else { |
335 | $hdr->type0 = 'multipart'; |
336 | $hdr->type1 = $arg_a[0]; |
337 | $msg->type0 = 'multipart'; |
338 | $msg->type1 = $arg_a[0]; |
339 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
340 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
341 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
342 | $msg->header = $hdr; |
343 | } |
df627053 |
344 | return $msg; |
19d470aa |
345 | default: break; |
346 | } /* switch */ |
19d470aa |
347 | } /* for */ |
348 | } /* parsestructure */ |
349 | |
21a50099 |
350 | function parseProperties($read, &$i) { |
19d470aa |
351 | $properties = array(); |
352 | $prop_name = ''; |
353 | |
354 | for (; $read{$i} != ')'; ++$i) { |
355 | $arg_s = ''; |
356 | if ($read{$i} == '"') { |
21a50099 |
357 | $arg_s = $this->parseQuote($read, $i); |
19d470aa |
358 | } else if ($read{$i} == '{') { |
21a50099 |
359 | $arg_s = $this->parseLiteral($read, $i); |
19d470aa |
360 | } |
361 | |
362 | if ($arg_s != '') { |
363 | if ($prop_name == '') { |
364 | $prop_name = strtolower($arg_s); |
365 | $properties[$prop_name] = ''; |
366 | } else if ($prop_name != '') { |
367 | $properties[$prop_name] = $arg_s; |
368 | $prop_name = ''; |
369 | } |
370 | } |
371 | } |
21a50099 |
372 | return $properties; |
19d470aa |
373 | } |
374 | |
2bf8f74a |
375 | function parseEnvelope($read, &$i, $hdr) { |
19d470aa |
376 | $arg_no = 0; |
377 | $arg_a = array(); |
3cb8baa6 |
378 | ++$i; |
19d470aa |
379 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
19d470aa |
380 | $char = strtoupper($read{$i}); |
381 | switch ($char) { |
382 | case '"': |
21a50099 |
383 | $arg_a[] = $this->parseQuote($read, $i); |
19d470aa |
384 | ++$arg_no; |
385 | break; |
386 | case '{': |
21a50099 |
387 | $arg_a[] = $this->parseLiteral($read, $i); |
3cb8baa6 |
388 | /* temp bugfix (SM 1.5 will have a working clean version) |
389 | too much work to implement that version right now */ |
be2af6ae |
390 | // --$i; |
19d470aa |
391 | ++$arg_no; |
392 | break; |
393 | case 'N': |
394 | /* probably NIL argument */ |
395 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
396 | $arg_a[] = ''; |
397 | ++$arg_no; |
398 | $i += 2; |
399 | } |
400 | break; |
401 | case '(': |
402 | /* Address structure (with group support) |
403 | * Note: Group support is useless on SMTP connections |
404 | * because the protocol doesn't support it |
405 | */ |
406 | $addr_a = array(); |
407 | $group = ''; |
408 | $a=0; |
409 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
410 | if ($read{$i} == '(') { |
2bf8f74a |
411 | $addr = $this->parseAddress($read, $i); |
19d470aa |
412 | if (($addr->host == '') && ($addr->mailbox != '')) { |
413 | /* start of group */ |
414 | $group = $addr->mailbox; |
415 | $group_addr = $addr; |
416 | $j = $a; |
417 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
418 | /* end group */ |
419 | if ($a == ($j+1)) { /* no group members */ |
420 | $group_addr->group = $group; |
421 | $group_addr->mailbox = ''; |
422 | $group_addr->personal = "$group: Undisclosed recipients;"; |
423 | $addr_a[] = $group_addr; |
424 | $group =''; |
425 | } |
426 | } else { |
427 | $addr->group = $group; |
428 | $addr_a[] = $addr; |
429 | } |
430 | ++$a; |
431 | } |
432 | } |
433 | $arg_a[] = $addr_a; |
434 | break; |
435 | default: break; |
436 | } |
437 | } |
438 | |
439 | if (count($arg_a) > 9) { |
19d470aa |
440 | $d = strtr($arg_a[0], array(' ' => ' ')); |
441 | $d = explode(' ', $d); |
8750d90e |
442 | if (!$arg_a[1]) $arg_1[1] = _("(no subject)"); |
19d470aa |
443 | |
8750d90e |
444 | $hdr->date = getTimeStamp($d); /* argument 1: date */ |
445 | $hdr->subject = $arg_a[1]; /* argument 2: subject */ |
df0db9ce |
446 | $hdr->from = is_array($arg_a[2]) ? $arg_a[2][0] : ''; /* argument 3: from */ |
447 | $hdr->sender = is_array($arg_a[3]) ? $arg_a[3][0] : ''; /* argument 4: sender */ |
448 | $hdr->replyto = is_array($arg_a[4]) ? $arg_a[4][0] : ''; /* argument 5: reply-to */ |
19d470aa |
449 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
450 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
451 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
452 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
453 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
454 | } |
2bf8f74a |
455 | return $hdr; |
19d470aa |
456 | } |
457 | |
21a50099 |
458 | function parseLiteral($read, &$i) { |
19d470aa |
459 | $lit_cnt = ''; |
df627053 |
460 | ++$i; |
461 | $iPos = strpos($read,'}',$i); |
462 | if ($iPos) { |
463 | $lit_cnt = substr($read, $i, $iPos - $i); |
27dd7a0c |
464 | $i += strlen($lit_cnt) + 3; /* skip } + \r + \n */ |
465 | /* Now read the literal */ |
df627053 |
466 | $s = ($lit_cnt ? substr($read,$i,$lit_cnt): ''); |
467 | $i += $lit_cnt; |
be2af6ae |
468 | /* temp bugfix (SM 1.5 will have a working clean version) |
469 | too much work to implement that version right now */ |
470 | --$i; |
df627053 |
471 | } else { /* should never happen */ |
472 | $i += 3; /* } + \r + \n */ |
473 | $s = ''; |
474 | } |
5520fad8 |
475 | return $s; |
19d470aa |
476 | } |
477 | |
21a50099 |
478 | function parseQuote($read, &$i) { |
19d470aa |
479 | $s = ''; |
df627053 |
480 | $iPos = ++$i; |
481 | while (true) { |
482 | $iPos = strpos($read,'"',$iPos); |
3cb0c3fb |
483 | if (!$iPos) break; |
df627053 |
484 | if ($iPos && $read{$iPos -1} != '\\') { |
485 | $s = substr($read,$i,($iPos-$i)); |
486 | $i = $iPos; |
487 | break; |
488 | } |
2c86c02c |
489 | $iPos++; |
490 | if ($iPos > strlen($read)) { |
491 | break; |
492 | } |
df627053 |
493 | } |
21a50099 |
494 | return $s; |
19d470aa |
495 | } |
496 | |
2bf8f74a |
497 | function parseAddress($read, &$i) { |
19d470aa |
498 | $arg_a = array(); |
19d470aa |
499 | for (; $read{$i} != ')'; ++$i) { |
500 | $char = strtoupper($read{$i}); |
501 | switch ($char) { |
df627053 |
502 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
503 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
19d470aa |
504 | case 'n': |
505 | case 'N': |
506 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
507 | $arg_a[] = ''; |
508 | $i += 2; |
509 | } |
510 | break; |
511 | default: break; |
512 | } |
513 | } |
514 | |
515 | if (count($arg_a) == 4) { |
516 | $adr = new AddressStructure(); |
517 | $adr->personal = $arg_a[0]; |
518 | $adr->adl = $arg_a[1]; |
519 | $adr->mailbox = $arg_a[2]; |
520 | $adr->host = $arg_a[3]; |
521 | } else { |
522 | $adr = ''; |
523 | } |
2bf8f74a |
524 | return $adr; |
19d470aa |
525 | } |
526 | |
21a50099 |
527 | function parseDisposition($read, &$i) { |
19d470aa |
528 | $arg_a = array(); |
19d470aa |
529 | for (; $read{$i} != ')'; ++$i) { |
530 | switch ($read{$i}) { |
21a50099 |
531 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
532 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
533 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
534 | default: break; |
535 | } |
536 | } |
537 | |
538 | if (isset($arg_a[0])) { |
539 | $disp = new Disposition($arg_a[0]); |
540 | if (isset($arg_a[1])) { |
541 | $disp->properties = $arg_a[1]; |
542 | } |
543 | } |
544 | |
21a50099 |
545 | return (is_object($disp) ? $disp : ''); |
19d470aa |
546 | } |
547 | |
21a50099 |
548 | function parseLanguage($read, &$i) { |
19d470aa |
549 | /* no idea how to process this one without examples */ |
550 | $arg_a = array(); |
551 | |
552 | for (; $read{$i} != ')'; ++$i) { |
553 | switch ($read{$i}) { |
21a50099 |
554 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
555 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
556 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
19d470aa |
557 | default: break; |
558 | } |
559 | } |
560 | |
561 | if (isset($arg_a[0])) { |
562 | $lang = new Language($arg_a[0]); |
563 | if (isset($arg_a[1])) { |
564 | $lang->properties = $arg_a[1]; |
565 | } |
566 | } |
567 | |
21a50099 |
568 | return (is_object($lang) ? $lang : ''); |
19d470aa |
569 | } |
570 | |
571 | function parseParenthesis($read, $i) { |
572 | for (; $read{$i} != ')'; ++$i) { |
573 | switch ($read{$i}) { |
21a50099 |
574 | case '"': $this->parseQuote($read, $i); break; |
575 | case '{': $this->parseLiteral($read, $i); break; |
576 | case '(': $this->parseProperties($read, $i); break; |
19d470aa |
577 | default: break; |
578 | } |
579 | } |
580 | return $i; |
581 | } |
582 | |
583 | /* Function to fill the message structure in case the */ |
584 | /* bodystructure is not available NOT FINISHED YET */ |
585 | function parseMessage($read, $type0, $type1) { |
586 | switch ($type0) { |
587 | case 'message': |
588 | $rfc822_header = true; |
589 | $mime_header = false; |
590 | break; |
591 | case 'multipart': |
592 | $rfc822_header = false; |
593 | $mime_header = true; |
594 | break; |
595 | default: return $read; |
596 | } |
597 | |
598 | for ($i = 1; $i < $count; ++$i) { |
599 | $line = trim($body[$i]); |
600 | if (($mime_header || $rfc822_header) && |
601 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
602 | $bnd = $reg[1]; |
603 | $bndreg = $bnd; |
604 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
605 | $bndreg = str_replace("?", "\\?", $bndreg); |
606 | $bndreg = str_replace("+", "\\+", $bndreg); |
607 | $bndreg = str_replace(".", "\\.", $bndreg); |
608 | $bndreg = str_replace("/", "\\/", $bndreg); |
609 | $bndreg = str_replace("-", "\\-", $bndreg); |
610 | $bndreg = str_replace("(", "\\(", $bndreg); |
611 | $bndreg = str_replace(")", "\\)", $bndreg); |
612 | } else if ($rfc822_header && $line == '') { |
613 | $rfc822_header = false; |
614 | if ($msg->type0 == 'multipart') { |
615 | $mime_header = true; |
616 | } |
617 | } |
618 | |
619 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
620 | $cnt = count($boundaries)-1; |
621 | $bnd = $boundaries[$cnt]['bnd']; |
622 | $bndreg = $boundaries[$cnt]['bndreg']; |
623 | |
624 | $regstr = '/^--'."($bndreg)".".*".'/'; |
625 | if (preg_match($regstr, $line, $reg)) { |
626 | $bndlen = strlen($reg[1]); |
627 | $bndend = false; |
628 | if (strlen($line) > ($bndlen + 3)) { |
629 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
630 | $bndend = true; |
631 | } |
632 | } |
633 | if ($bndend) { |
634 | /* calc offset and return $msg */ |
635 | //$entStr = CalcEntity("$entStr", -1); |
636 | array_pop($boundaries); |
637 | $mime_header = true; |
638 | $bnd_end = true; |
639 | } else { |
640 | $mime_header = true; |
641 | $bnd_end = false; |
642 | //$entStr = CalcEntity("$entStr", 0); |
643 | ++$content_indx; |
644 | } |
645 | } else { |
646 | if ($header) { } |
647 | } |
648 | } |
649 | } |
650 | } |
651 | |
652 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
653 | $found = false; |
654 | if ($this->type0 == 'multipart') { |
655 | if($this->type1 == 'alternative') { |
656 | $msg = $this->findAlternativeEntity($alt_order); |
657 | if (count($msg->entities) == 0) { |
658 | $entity[] = $msg->entity_id; |
659 | } else { |
660 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
661 | } |
662 | $found = true; |
663 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
664 | $msgs = $this->findRelatedEntity(); |
665 | foreach ($msgs as $msg) { |
666 | if (count($msg->entities) == 0) { |
667 | $entity[] = $msg->entity_id; |
668 | } else { |
669 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
670 | } |
671 | } |
672 | if (count($msgs) > 0) { |
673 | $found = true; |
674 | } |
675 | } else { /* Treat as multipart/mixed */ |
676 | foreach ($this->entities as $ent) { |
677 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
678 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
679 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
680 | $found = true; |
681 | } |
682 | } |
683 | } |
684 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
685 | $type = $this->type0.'/'.$this->type1; |
e3d6469a |
686 | // $alt_order[] = "message/rfc822"; |
19d470aa |
687 | foreach ($alt_order as $alt) { |
688 | if( ($alt == $type) && isset($this->entity_id) ) { |
689 | if ((count($this->entities) == 0) && |
690 | (strtolower($this->header->disposition->name) != 'attachment')) { |
691 | $entity[] = $this->entity_id; |
692 | $found = true; |
693 | } |
694 | } |
695 | } |
696 | } |
697 | if(!$found) { |
698 | foreach ($this->entities as $ent) { |
699 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
700 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
701 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
702 | $found = true; |
703 | } |
704 | } |
e3d6469a |
705 | |
19d470aa |
706 | } |
707 | if(!$strict && !$found) { |
708 | if (($this->type0 == 'text') && |
709 | in_array($this->type1, array('plain', 'html', 'message')) && |
710 | isset($this->entity_id)) { |
711 | if (count($this->entities) == 0) { |
712 | if (strtolower($this->header->disposition->name) != 'attachment') { |
713 | $entity[] = $this->entity_id; |
714 | } |
715 | } |
716 | } |
717 | } |
19d470aa |
718 | return $entity; |
719 | } |
720 | |
721 | function findAlternativeEntity($alt_order) { |
722 | /* If we are dealing with alternative parts then we */ |
723 | /* choose the best viewable message supported by SM. */ |
724 | $best_view = 0; |
725 | $entity = array(); |
726 | foreach($this->entities as $ent) { |
727 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
728 | if ($type == 'multipart/related') { |
729 | $type = $ent->header->getParameter('type'); |
730 | } |
731 | $altCount = count($alt_order); |
732 | for ($j = $best_view; $j < $altCount; ++$j) { |
733 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
734 | $best_view = $j; |
735 | $entity = $ent; |
736 | } |
737 | } |
738 | } |
739 | |
740 | return $entity; |
741 | } |
742 | |
743 | function findRelatedEntity() { |
744 | $msgs = array(); |
745 | |
746 | $entCount = count($this->entities); |
747 | for ($i = 0; $i < $entCount; ++$i) { |
748 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
749 | if ($this->header->getParameter('type') == $type) { |
750 | $msgs[] = $this->entities[$i]; |
751 | } |
752 | } |
753 | |
754 | return $msgs; |
755 | } |
756 | |
757 | function getAttachments($exclude_id=array(), $result = array()) { |
e3d6469a |
758 | /* |
759 | if (($this->type0 == 'message') && |
760 | ($this->type1 == 'rfc822') && |
761 | ($this->entity_id) ) { |
19d470aa |
762 | $this = $this->entities[0]; |
763 | } |
e3d6469a |
764 | */ |
19d470aa |
765 | if (count($this->entities)) { |
766 | foreach ($this->entities as $entity) { |
767 | $exclude = false; |
19d470aa |
768 | foreach ($exclude_id as $excl) { |
769 | if ($entity->entity_id === $excl) { |
770 | $exclude = true; |
771 | } |
772 | } |
773 | |
774 | if (!$exclude) { |
775 | if (($entity->type0 == 'multipart') && |
776 | ($entity->type1 != 'related')) { |
777 | $result = $entity->getAttachments($exclude_id, $result); |
778 | } else if ($entity->type0 != 'multipart') { |
779 | $result[] = $entity; |
780 | } |
781 | } |
782 | } |
783 | } else { |
784 | $exclude = false; |
785 | foreach ($exclude_id as $excl) { |
786 | $exclude = $exclude || ($this->entity_id == $excl); |
787 | } |
788 | |
789 | if (!$exclude) { |
790 | $result[] = $this; |
791 | } |
792 | } |
19d470aa |
793 | return $result; |
794 | } |
a56f52b9 |
795 | |
796 | function initAttachment($type, $name, $location) { |
797 | $attachment = new Message(); |
798 | $mime_header = new MessageHeader(); |
799 | $mime_header->setParameter('name', $name); |
800 | $pos = strpos($type, '/'); |
801 | if ($pos > 0) { |
802 | $mime_header->type0 = substr($type, 0, $pos); |
803 | $mime_header->type1 = substr($type, $pos+1); |
804 | } else { |
805 | $mime_header->type0 = $type; |
806 | } |
807 | $attachment->att_local_name = $location; |
808 | $disposition = new Disposition('attachment'); |
809 | $disposition->properties['filename'] = $name; |
810 | $mime_header->disposition = $disposition; |
811 | $attachment->mime_header = $mime_header; |
812 | $this->entities[]=$attachment; |
813 | } |
19d470aa |
814 | } |
815 | |
816 | ?> |