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1 | <?php |
2 | |
3 | /** |
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4 | * mime.class.php |
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5 | * |
6 | * Copyright (c) 2002 The SquirrelMail Project Team |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
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9 | * |
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10 | * This contains functions needed to handle mime messages. |
11 | * |
12 | * $Id$ |
13 | */ |
14 | |
15 | class msg_header { |
16 | /** msg_header contains generic variables for values that **/ |
17 | /** could be in a header. **/ |
18 | |
19 | var $type0 = '', $type1 = '', $boundary = '', $charset = '', |
20 | $encoding='', $size = 0, $to = array(), $from = '', $date = '', |
21 | $cc = array(), $bcc = array(), $reply_to = '', $subject = '', |
22 | $id = 0, $mailbox = '', $description = '', $filename = '', |
23 | $entity_id = 0, $message_id = 0, $name = '', $priority = 3, $type = '', |
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24 | $disposition = '', $md5='', $language='',$dnt = '', $xmailer = ''; |
25 | |
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26 | /* |
27 | * returns addres_list of supplied argument |
28 | * arguments: array('to', 'from', ...) or just a string like 'to'. |
29 | * result: string: address1, addres2, .... |
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30 | */ |
31 | |
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32 | function setVar($var, $value) { |
33 | $this->{$var} = $value; |
34 | } |
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35 | /* |
36 | * function to get the addres strings out of the header. |
37 | * Arguments: string or array of strings ! |
38 | * example1: header->getAddr_s('to'). |
39 | * example2: header->getAddr_s(array('to','cc','bcc')) |
40 | */ |
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41 | function getAddr_s($arr) { |
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42 | if (is_array($arr)) { |
43 | $s = ''; |
44 | foreach($arr as $arg ) { |
45 | $result = $this->getAddr_s($arg); |
46 | if ($result) { |
47 | $s .= ', ' . $result; |
48 | } |
49 | } |
50 | if ($s) $s = substr($s,2); |
51 | return $s; |
52 | } else { |
53 | $s = ''; |
54 | eval('$addr = $this->'.$arr.';') ; |
55 | if (is_array($addr)) { |
56 | foreach ($addr as $addr_o) { |
57 | if (is_object($addr_o)) { |
58 | $s .= $addr_o->getAddress() . ', '; |
59 | } |
60 | } |
61 | $s = substr($s,0,-2); |
62 | } else { |
63 | if (is_object($addr)) { |
64 | $s .= $addr->getAddress(); |
65 | } |
66 | } |
67 | return $s; |
68 | } |
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69 | } |
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70 | |
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71 | function getAddr_a($arg, $excl_arr=array(), $arr = array()) { |
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72 | if (is_array($arg)) { |
73 | foreach($arg as $argument ) { |
74 | $arr = $this->getAddr_a($argument, $excl_arr, $arr); |
75 | } |
76 | return $arr; |
77 | } else { |
78 | eval('$addr = $this->'.$arg.';') ; |
79 | if (is_array($addr)) { |
80 | foreach ($addr as $addr_o) { |
81 | if (is_object($addr_o)) { |
82 | if (isset($addr_o->host) && $addr_o->host !='') { |
83 | $email = $addr_o->mailbox.'@'.$addr_o->host; |
84 | } else { |
85 | $email = $addr_o->mailbox; |
86 | } |
87 | $email = strtolower($email); |
88 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
89 | $arr[$email] = $addr_o->personal; |
90 | } |
91 | } |
92 | } |
93 | } else { |
94 | if (is_object($addr)) { |
95 | if (isset($addr->host)) { |
96 | $email = $addr->mailbox.'@'.$addr->host; |
97 | } else { |
98 | $email = $addr->mailbox; |
99 | } |
100 | $email = strtolower($email); |
101 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
102 | $arr[$email] = $addr->personal; |
103 | } |
104 | } |
105 | } |
106 | return $arr; |
107 | } |
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108 | } |
109 | } |
110 | |
111 | class address_structure { |
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112 | var $personal = '', $adl = '', $mailbox = '', $host = '', $group = ''; |
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113 | |
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114 | function getAddress($full=true) { |
115 | if (is_object($this)) { |
116 | if (isset($this->host) && $this->host !='') { |
117 | $email = '<'.$this->mailbox.'@'.$this->host.'>'; |
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118 | } else { |
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119 | $email = $this->mailbox; |
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120 | } |
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121 | if (trim($this->personal) !='') { |
122 | if ($email) { |
123 | $addr = '"' . $this->personal . '" ' .$email; |
124 | } else { |
125 | $addr = $this->personal; |
126 | } |
127 | $best_dpl = $this->personal; |
128 | } else { |
129 | $addr = $email; |
130 | $best_dpl = $email; |
131 | } |
132 | if ($full) { |
133 | return $addr; |
134 | } else { |
135 | return $best_dpl; |
136 | } |
137 | } else return ''; |
138 | } |
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139 | } |
140 | |
141 | class message { |
142 | /** message is the object that contains messages. It is a recursive |
143 | object in that through the $entities variable, it can contain |
144 | more objects of type message. See documentation in mime.txt for |
145 | a better description of how this works. |
146 | **/ |
147 | var $header = '', $entities = array(), $mailbox = 'INBOX', $id = 0, |
148 | $envelope = '', $parent_ent, $entity, $type0='', $type1='', |
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149 | $parent = '', $decoded_body='', |
150 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
151 | $is_mdnsent = 0; |
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152 | |
153 | function setEnt($ent) { |
154 | $this->entity_id= $ent; |
155 | } |
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156 | |
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157 | function setBody($body) { |
158 | $this->decoded_body = $body; |
159 | } |
160 | function addEntity ($msg) { |
161 | $msg->parent = &$this; |
162 | $this->entities[] = $msg; |
163 | } |
164 | |
165 | function addRFC822Header($read) { |
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166 | $header = new msg_header(); |
167 | $this->header = sqimap_parse_RFC822Header($read,$header); |
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168 | } |
169 | |
170 | function getEntity($ent) { |
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171 | |
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172 | $cur_ent = $this->entity_id; |
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173 | $msg = $this; |
174 | if ($cur_ent == '' || $cur_ent == '0') { |
175 | $cur_ent_a = array(); |
176 | } else { |
177 | $cur_ent_a = explode('.',$this->entity_id); |
178 | } |
179 | $ent_a = explode('.',$ent); |
180 | |
181 | $cnt = count($ent_a); |
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182 | |
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183 | for ($i=0;$i<$cnt -1;$i++) { |
184 | if (isset($cur_ent_a[$i]) && $cur_ent_a[$i] != $ent_a[$i]) { |
185 | $msg = $msg->parent; |
186 | $cur_ent_a = explode('.',$msg->entity_id); |
187 | $i--; |
188 | } else if (!isset($cur_ent_a[$i])) { |
189 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
190 | $msg = $msg->entities[($ent_a[$i]-1)]; |
191 | } else { |
192 | $msg = $msg->entities[0]; |
193 | } |
194 | } |
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195 | if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') { |
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196 | /*this is a header for a message/rfc822 entity */ |
197 | $msg = $msg->entities[0]; |
198 | } |
199 | } |
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200 | |
201 | if ($msg->type0 == 'message' && $msg->type1 == 'rfc822') { |
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202 | /*this is a header for a message/rfc822 entity */ |
203 | $msg = $msg->entities[0]; |
204 | } |
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205 | |
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206 | if (isset($msg->entities[($ent_a[$cnt-1])-1])) { |
207 | $msg = $msg->entities[($ent_a[$cnt-1]-1)]; |
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208 | } |
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209 | |
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210 | return $msg; |
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211 | } |
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212 | |
213 | function getMailbox() { |
214 | $msg = $this; |
215 | while (is_object($msg->parent)) { |
216 | $msg = $msg->parent; |
217 | } |
218 | return $msg->mailbox; |
219 | } |
220 | |
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221 | /* |
222 | * Bodystructure parser, a recursive function for generating the |
223 | * entity-tree with all the mime-parts. |
224 | * |
225 | * It follows RFC2060 and stores all the described fields in the |
226 | * message object. |
227 | * |
228 | * Question/Bugs: |
229 | * |
230 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net. |
231 | * |
232 | */ |
08c18186 |
233 | function &parseStructure($read, $i=0, $message = false) { |
319cf0d2 |
234 | $arg_no = 0; |
235 | $arg_a = array(); |
236 | $cnt = strlen($read); |
237 | while ($i < $cnt) { |
238 | $char = strtoupper($read{$i}); |
239 | switch ($char) { |
240 | case '(': |
241 | if ($arg_no == 0 ) { |
242 | if (!isset($msg)) { |
243 | $msg = new message(); |
244 | $hdr = new msg_header(); |
245 | $hdr->type0 = 'text'; |
246 | $hdr->type1 = 'plain'; |
247 | $hdr->encoding = 'us-ascii'; |
248 | |
249 | if ($this->type0 == 'message' && $this->type1 == 'rfc822') { |
250 | $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ |
251 | } else if (isset($this->entity_id) && $this->entity_id !='') { |
252 | $ent_no = count($this->entities)+1; |
253 | $par_ent = substr($this->entity_id,-2); |
254 | if ($par_ent{0} == '.') { |
255 | $par_ent = $par_ent{1}; |
256 | } |
257 | if ($par_ent == '0') { |
258 | $ent_no = count($this->entities)+1; |
259 | if ($ent_no > 0) { |
260 | $ent = substr($this->entity_id,0,strrpos($this->entity_id,'.')); |
261 | if ($ent) { |
262 | $ent = $ent . ".$ent_no"; |
263 | } else { |
264 | $ent = $ent_no; |
265 | } |
266 | $msg->entity_id = $ent; |
267 | } else { |
268 | $msg->entity_id = $ent_no; |
269 | } |
270 | } else { |
271 | $ent = $this->entity_id . ".$ent_no"; |
272 | $msg->entity_id = $ent; |
273 | } |
274 | } else { |
275 | $msg->entity_id = '0'; |
276 | } |
277 | } else { |
278 | $msg->header->type0 = 'multipart'; |
279 | $msg->type0 = 'multipart'; |
280 | while ($read{$i} == '(') { |
281 | $msg->addEntity($msg->parseStructure($read,&$i)); |
282 | } |
283 | } |
284 | } else { |
285 | switch ($arg_no) { |
286 | case 1: |
287 | /* multipart properties */ |
288 | $i++; |
289 | $arg_a[] = $this->parseProperties($read,&$i); |
290 | $arg_no++; |
291 | break; |
292 | case 2: |
293 | if (isset($msg->type0) && $msg->type0 == 'multipart') { |
294 | $i++; |
295 | $arg_a[]= $msg->parseDisposition($read,&$i); |
296 | } else { /* properties */ |
297 | /* properties */ |
298 | $arg_a[] = $msg->parseProperties($read,&$i); |
299 | } |
300 | $arg_no++; |
301 | break; |
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302 | case 3: |
303 | if (isset($msg->type0) && $msg->type0 == 'multipart') { |
304 | $i++; |
305 | $arg_a[]= $msg->parseLanguage($read,&$i); |
306 | } |
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307 | case 7: |
308 | if ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822') { |
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309 | |
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310 | $msg->header->type0 = $arg_a[0]; |
311 | $msg->type0 = $arg_a[0]; |
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312 | |
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313 | $msg->header->type1 = $arg_a[1]; |
314 | $msg->type1 = $arg_a[1]; |
315 | |
316 | $msg->parseEnvelope($read,&$i,&$hdr); |
317 | $i++; |
318 | while ($i < $cnt && $read{$i} != '(') { |
319 | $i++; |
320 | } |
321 | $msg->addEntity($msg->parseStructure($read,&$i)); |
322 | } |
323 | break; |
324 | case 8: |
325 | $i++; |
326 | $arg_a[] = $msg->parseDisposition($read,&$i); |
327 | $arg_no++; |
328 | break; |
329 | case 9: |
330 | if ($arg_a[0] == 'text' || |
331 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
332 | $i++; |
333 | $arg_a[] = $msg->parseDisposition($read,&$i); |
334 | } else { |
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335 | $i++; |
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336 | $arg_a[] = $msg->parseLanguage($read,&$i); |
337 | } |
338 | $arg_no++; |
339 | break; |
340 | case 10: |
341 | if ($arg_a[0] == 'text' || |
342 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
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343 | $i++; |
319cf0d2 |
344 | $arg_a[] = $msg->parseLanguage($read,&$i); |
345 | } else { |
31e0cfba |
346 | $msg->parseParenthesis($read,&$i); |
319cf0d2 |
347 | $arg_a[] = ''; /* not yet desribed in rfc2060 */ |
348 | } |
349 | $arg_no++; |
350 | break; |
351 | default: |
352 | /* unknown argument, skip this part */ |
353 | $msg->parseParenthesis($read,&$i); |
354 | $arg_a[] = ''; |
355 | $arg_no++; |
356 | break; |
357 | } /* switch */ |
358 | } |
359 | break; |
360 | case '"': |
361 | /* inside an entity -> start processing */ |
362 | $debug = substr($read,$i,20); |
363 | $arg_s = $msg->parseQuote($read,&$i); |
364 | $arg_no++; |
365 | if ($arg_no < 3) $arg_s = strtolower($arg_s); /* type0 and type1 */ |
366 | $arg_a[] = $arg_s; |
367 | break; |
368 | case 'N': |
369 | /* probably NIL argument */ |
08c18186 |
370 | if (strtoupper(substr($read,$i,4)) == 'NIL ' || |
371 | strtoupper(substr($read,$i,4)) == 'NIL)') { |
319cf0d2 |
372 | $arg_a[] = ''; |
373 | $arg_no++; |
374 | $i = $i+2; |
375 | } |
376 | break; |
377 | case '{': |
378 | /* process the literal value */ |
379 | $arg_a[] = $msg->parseLiteral($read,&$i); |
380 | $arg_no++; |
381 | break; |
382 | case (is_numeric($read{$i}) ): |
383 | /* process integers */ |
384 | if ($read{$i} == ' ') break; |
385 | $arg_s = $read{$i};; |
386 | $i++; |
387 | while (preg_match('/\d+/',$read{$i})) { // != ' ') { |
388 | $arg_s .= $read{$i}; |
389 | $i++; |
390 | } |
391 | $arg_no++; |
392 | $arg_a[] = $arg_s; |
393 | break; |
394 | case ')': |
395 | if (isset($msg->type0) && $msg->type0 == 'multipart') { |
396 | $multipart = true; |
397 | } else { |
398 | $multipart = false; |
399 | } |
400 | if (!$multipart) { |
401 | if ($arg_a[0] == 'text' || |
402 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
403 | $shifted_args = true; |
404 | } else { |
405 | $shifted_args = false; |
406 | } |
407 | $hdr->type0 = $arg_a[0]; |
408 | $hdr->type1 = $arg_a[1]; |
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409 | |
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410 | $msg->type0 = $arg_a[0]; |
411 | $msg->type1 = $arg_a[1]; |
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412 | |
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413 | $arr = $arg_a[2]; |
414 | if (is_array($arr)) { |
415 | foreach($arr as $name => $value) { |
416 | $hdr->{$name} = $value; |
417 | } |
418 | } |
419 | $hdr->id = str_replace( '<', '', str_replace( '>', '', $arg_a[3] ) ); |
420 | $hdr->description = $arg_a[4]; |
421 | $hdr->encoding = strtolower($arg_a[5]); |
422 | $hdr->entity_id = $msg->entity_id; |
423 | $hdr->size = $arg_a[6]; |
424 | if ($shifted_args) { |
425 | $hdr->lines = $arg_a[7]; |
426 | if (isset($arg_a[8])) { |
427 | $hdr->md5 = $arg_a[8]; |
428 | } |
429 | if (isset($arg_a[9])) { |
430 | $hdr->disposition = $arg_a[9]; |
431 | } |
432 | if (isset($arg_a[10])) { |
433 | $hdr->language = $arg_a[10]; |
434 | } |
435 | } else { |
436 | if (isset($arg_a[7])) { |
437 | $hdr->md5 = $arg_a[7]; |
438 | } |
439 | if (isset($arg_a[8])) { |
440 | $hdr->disposition = $arg_a[8]; |
441 | } |
442 | if (isset($arg_a[9])) { |
443 | $hdr->language = $arg_a[9]; |
444 | } |
445 | } |
446 | $msg->header = $hdr; |
447 | $arg_no = 0; |
448 | $i++; |
449 | if (substr($msg->entity_id,-2) == '.0' && $msg->type0 !='multipart') { |
450 | $msg->entity_id++; |
451 | } |
452 | return $msg; |
453 | } else { |
454 | $hdr->type0 = 'multipart'; |
455 | $hdr->type1 = $arg_a[0]; |
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456 | |
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457 | $msg->type0 = 'multipart'; |
458 | $msg->type1 = $arg_a[0]; |
459 | if (isset($arg_a[1])) { |
460 | $arr = $arg_a[1]; |
461 | if (is_array($arr)) { |
462 | foreach($arr as $name => $value) { |
463 | $hdr->{$name} = $value; |
464 | } |
465 | } |
466 | } |
467 | if (isset($arg_a[2])) { |
468 | $hdr->disposition = $arg_a[2]; |
469 | } |
470 | if (isset($arg_a[3])) { |
471 | $hdr->language = $arg_a[3]; |
472 | } |
473 | $msg->header = $hdr; |
474 | return $msg; |
475 | } |
476 | default: |
477 | break; |
478 | } /* switch */ |
479 | $i++; |
480 | } /* while */ |
481 | } /* parsestructure */ |
482 | |
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483 | function parseProperties($read, $i) { |
319cf0d2 |
484 | $properties = array(); |
485 | $arg_s = ''; |
486 | $prop_name = ''; |
487 | while ($read{$i} != ')') { |
488 | if ($read{$i} == '"') { |
489 | $arg_s = $this->parseQuote($read,&$i); |
490 | } else if ($read{$i} == '{') { |
491 | $arg_s = $this->parseLiteral($read,&$i); |
492 | } |
493 | if ($prop_name == '' && $arg_s) { |
494 | $prop_name = strtolower($arg_s); |
495 | $properties[$prop_name] = ''; |
496 | $arg_s = ''; |
497 | } elseif ($prop_name != '' && $arg_s != '') { |
498 | $properties[$prop_name] = $arg_s; |
499 | $prop_name = ''; |
500 | $arg_s = ''; |
501 | } |
502 | $i++; |
503 | } |
504 | return $properties; |
8f6b86cc |
505 | } |
506 | |
507 | function parseEnvelope($read, $i, $hdr) { |
508 | $arg_no = 0; |
319cf0d2 |
509 | $arg_a = array(); |
510 | $cnt = strlen($read); |
511 | while ($i< $cnt && $read{$i} != ')') { |
512 | $i++; |
513 | $char = strtoupper($read{$i}); |
514 | switch ($char) { |
515 | case '"': |
516 | $arg_a[] = $this->parseQuote($read,&$i); |
517 | $arg_no++; |
518 | break; |
519 | case '{': |
520 | $arg_a[] = $this->parseLiteral($read,&$i); |
521 | $arg_no++; |
522 | break; |
523 | case 'N': |
524 | /* probably NIL argument */ |
08c18186 |
525 | if (strtoupper(substr($read,$i,3)) == 'NIL') { |
319cf0d2 |
526 | $arg_a[] = ''; |
527 | $arg_no++; |
528 | $i = $i+2; |
529 | } |
530 | break; |
531 | case '(': |
532 | /* Address structure |
533 | * With group support. |
534 | * Note: Group support is useless on SMTP connections |
535 | * because the protocol doesn't support it |
536 | */ |
537 | $addr_a = array(); |
538 | $group = ''; |
539 | $a=0; |
540 | while ($i < $cnt && $read{$i} != ')') { |
541 | if ($read{$i} == '(') { |
542 | $addr = $this->parseAddress($read,&$i); |
543 | if ($addr->host == '' && $addr->mailbox != '') { |
544 | /* start of group */ |
545 | $group = $addr->mailbox; |
546 | $group_addr = $addr; |
547 | $j = $a; |
548 | } elseif ($group && $addr->host == '' && $addr->mailbox == '') { |
549 | /* end group */ |
550 | if ($a == $j+1) { /* no group members */ |
551 | $group_addr->group = $group; |
552 | $group_addr->mailbox = ''; |
553 | $group_addr->personal = "$group: Undisclosed recipients;"; |
554 | $addr_a[] = $group_addr; |
555 | $group =''; |
556 | } |
557 | } else { |
558 | $addr->group = $group; |
559 | $addr_a[] = $addr; |
560 | } |
561 | $a++; |
562 | } |
563 | $i++; |
564 | } |
565 | $arg_a[] = $addr_a; |
566 | break; |
567 | default: |
568 | break; |
569 | } |
570 | $i++; |
571 | } |
572 | if (count($arg_a) > 9) { |
573 | /* argument 1: date */ |
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574 | $d = strtr($arg_a[0], array(' ' => ' ')); |
575 | $d = explode(' ', $d); |
576 | $hdr->date = getTimeStamp($d); |
319cf0d2 |
577 | /* argument 2: subject */ |
578 | if (!trim($arg_a[1])) { |
579 | $arg_a[1]= _("(no subject)"); |
580 | } |
581 | $hdr->subject = $arg_a[1]; |
582 | /* argument 3: from */ |
583 | $hdr->from = $arg_a[2][0]; |
584 | /* argument 4: sender */ |
585 | $hdr->sender = $arg_a[3][0]; |
586 | /* argument 5: reply-to */ |
587 | $hdr->replyto = $arg_a[4][0]; |
588 | /* argument 6: to */ |
589 | $hdr->to = $arg_a[5]; |
590 | /* argument 7: cc */ |
591 | $hdr->cc = $arg_a[6]; |
592 | /* argument 8: bcc */ |
593 | $hdr->bcc = $arg_a[7]; |
594 | /* argument 9: in-reply-to */ |
595 | $hdr->inreplyto = $arg_a[8]; |
596 | /* argument 10: message-id */ |
597 | $hdr->message_id = $arg_a[9]; |
08c18186 |
598 | } |
8f6b86cc |
599 | } |
319cf0d2 |
600 | |
8f6b86cc |
601 | function parseLiteral($read, $i) { |
319cf0d2 |
602 | $lit_cnt = ''; |
603 | $i++; |
604 | while ($read{$i} != '}') { |
605 | $lit_cnt .= $read{$i}; |
606 | $i++; |
607 | } |
608 | $lit_cnt +=2; /* add the { and } characters */ |
609 | $s = ''; |
610 | for ($j = 0; $j < $lit_cnt; $j++) { |
611 | $i++; |
612 | $s .= $read{$i}; |
613 | } |
614 | return $s; |
8f6b86cc |
615 | } |
319cf0d2 |
616 | |
8f6b86cc |
617 | function parseQuote($read, $i) { |
319cf0d2 |
618 | $i++; |
619 | $s = ''; |
08c18186 |
620 | while ($read{$i} != '"') { |
319cf0d2 |
621 | if ($read{$i} == '\\') { |
622 | $i++; |
623 | } |
624 | $s .= $read{$i}; |
625 | $i++; |
626 | } |
8f6b86cc |
627 | return $s; |
628 | } |
319cf0d2 |
629 | |
8f6b86cc |
630 | function parseAddress($read, $i) { |
319cf0d2 |
631 | $arg_a = array(); |
08c18186 |
632 | while ($read{$i} != ')' ) { //&& $i < count($read)) { |
319cf0d2 |
633 | $char = strtoupper($read{$i}); |
634 | switch ($char) { |
635 | case '"': |
636 | $arg_a[] = $this->parseQuote($read,&$i); |
637 | break; |
638 | case '{': |
639 | $arg_a[] = $this->parseLiteral($read,&$i); |
640 | break; |
641 | case 'N': |
642 | if (strtolower(substr($read,$i,3)) == 'nil') { |
643 | $arg_a[] = ''; |
644 | $i = $i+2; |
645 | } |
08c18186 |
646 | break; |
319cf0d2 |
647 | default: |
648 | break; |
649 | } |
650 | $i++; |
651 | } |
652 | if (count($arg_a) == 4) { |
653 | $adr = new address_structure(); |
654 | $adr->personal = $arg_a[0]; |
655 | $adr->adl = $arg_a[1]; |
656 | $adr->mailbox = $arg_a[2]; |
657 | $adr->host = $arg_a[3]; |
08c18186 |
658 | } else { |
659 | $adr = ''; |
660 | } |
319cf0d2 |
661 | return $adr; |
8f6b86cc |
662 | } |
319cf0d2 |
663 | |
08c18186 |
664 | function parseDisposition($read,&$i) { |
8f6b86cc |
665 | $arg_a = array(); |
666 | while ($read{$i} != ')') { |
319cf0d2 |
667 | switch ($read{$i}) { |
668 | case '"': |
669 | $arg_a[] = $this->parseQuote($read,&$i); |
670 | break; |
671 | case '{': |
672 | $arg_a[] = $this->parseLiteral($read,&$i); |
673 | break; |
674 | case '(': |
675 | $arg_a[] = $this->parseProperties($read,&$i); |
676 | break; |
677 | default: |
678 | break; |
679 | } |
680 | $i++; |
e02d0fa7 |
681 | } |
319cf0d2 |
682 | if (isset($arg_a[0])) { |
683 | $disp = new disposition($arg_a[0]); |
684 | if (isset($arg_a[1])) { |
685 | $disp->properties = $arg_a[1]; |
686 | } |
687 | } |
08c18186 |
688 | if (is_object($disp)) { |
689 | return $disp; |
690 | } |
8f6b86cc |
691 | } |
319cf0d2 |
692 | |
8f6b86cc |
693 | function parseLanguage($read,&$i) { |
08c18186 |
694 | /* no idea how to process this one without examples */ |
31e0cfba |
695 | $arg_a = array(); |
08c18186 |
696 | while ($read{$i} != ')') { |
697 | switch ($read{$i}) { |
698 | case '"': |
31e0cfba |
699 | $arg_a[] = $this->parseQuote($read,&$i); |
08c18186 |
700 | break; |
701 | case '{': |
31e0cfba |
702 | $arg_a[] = $this->parseLiteral($read,&$i); |
08c18186 |
703 | break; |
704 | case '(': |
31e0cfba |
705 | $arg_a[] = $this->parseProperties($read,&$i); |
08c18186 |
706 | break; |
707 | default: |
708 | break; |
709 | } |
710 | $i++; |
711 | } |
31e0cfba |
712 | if (isset($arg_a[0])) { |
713 | $lang = new language($arg_a[0]); |
714 | if (isset($arg_a[1])) { |
715 | $lang->properties = $arg_a[1]; |
716 | } |
717 | } |
718 | if (is_object($lang)) { |
719 | return $lang; |
720 | } else { |
721 | return ''; |
722 | } |
8f6b86cc |
723 | } |
319cf0d2 |
724 | |
8f6b86cc |
725 | function parseParenthesis($read,&$i) { |
726 | while ($read{$i} != ')') { |
319cf0d2 |
727 | switch ($read{$i}) { |
728 | case '"': |
729 | $this->parseQuote($read,&$i); |
730 | break; |
731 | case '{': |
732 | $this->parseLiteral($read,&$i); |
733 | break; |
734 | case '(': |
735 | $this->parseParenthesis($read,&$i); |
736 | break; |
737 | default: |
738 | break; |
739 | } |
740 | $i++; |
741 | } |
742 | } |
743 | |
744 | function findDisplayEntity ($entity = array(), $alt_order = array('text/plain','text/html')) { |
319cf0d2 |
745 | $found = false; |
746 | $type = $this->type0.'/'.$this->type1; |
747 | if ( $type == 'multipart/alternative') { |
748 | $msg = $this->findAlternativeEntity($alt_order); |
749 | if (count($msg->entities) == 0) { |
750 | $entity[] = $msg->entity_id; |
751 | } else { |
752 | $msg->findDisplayEntity(&$entity, $alt_order); |
753 | } |
754 | $found = true; |
755 | } else if ( $type == 'multipart/related') { |
756 | $msgs = $this->findRelatedEntity(); |
757 | for ($i = 0; $i < count($msgs); $i++) { |
758 | $msg = $msgs[$i]; |
759 | if (count($msg->entities) == 0) { |
760 | $entity[] = $msg->entity_id; |
761 | } else { |
762 | $msg->findDisplayEntity(&$entity,$alt_order); |
763 | } |
764 | $found = true; |
765 | } |
766 | } else if ( $this->type0 == 'text' && |
767 | ( $this->type1 == 'plain' || |
08c18186 |
768 | $this->type1 == 'html' || |
769 | $this->type1 == 'message') && |
319cf0d2 |
770 | isset($this->entity_id) ) { |
771 | if (count($this->entities) == 0) { |
772 | if (!$this->header->disposition->name == 'attachment') { |
773 | $entity[] = $this->entity_id; |
774 | } |
775 | } |
776 | } |
777 | $i = 0; |
778 | while ( isset($this->entities[$i]) && !$found && |
779 | !($this->entities[$i]->header->disposition->name |
780 | == 'attachment') && |
781 | !($this->entities[$i]->type0 == 'message' && |
782 | $this->entities[$i]->type1 == 'rfc822' ) |
783 | ) |
784 | { |
785 | $this->entities[$i]->findDisplayEntity(&$entity, $alt_order); |
786 | $i++; |
787 | } |
788 | |
789 | if ( !isset($entity[0]) ) { |
790 | $entity[]=""; |
0fee68d1 |
791 | } |
319cf0d2 |
792 | return( $entity ); |
8f6b86cc |
793 | } |
319cf0d2 |
794 | |
795 | function findAlternativeEntity ($alt_order) { |
796 | /* if we are dealing with alternative parts then we choose the best |
797 | * viewable message supported by SM. |
798 | */ |
799 | $best_view = 0; |
800 | $ent_id = 0; |
801 | $k = 0; |
802 | for ($i = 0; $i < count($this->entities); $i ++) { |
803 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
804 | if ($type == 'multipart/related') { |
805 | $type = $this->entities[$i]->header->type; |
806 | } |
807 | for ($j = $k; $j < count($alt_order); $j++) { |
808 | if ($alt_order[$j] == $type && $j > $best_view) { |
809 | $best_view = $j; |
810 | $ent_id = $i; |
811 | $k = $j; |
812 | } |
813 | } |
814 | } |
815 | return $this->entities[$ent_id]; |
816 | } |
817 | |
818 | function findRelatedEntity () { |
819 | $msgs = array(); |
820 | for ($i = 0; $i < count($this->entities); $i ++) { |
821 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
822 | if ($this->header->type == $type) { |
823 | $msgs[] = $this->entities[$i]; |
824 | } |
825 | } |
826 | return $msgs; |
827 | } |
828 | |
829 | function getAttachments($exclude_id=array(), $result = array()) { |
830 | if ($this->type0 == 'message' && $this->type1 == 'rfc822') { |
831 | $this = $this->entities[0]; |
832 | } |
833 | if (count($this->entities)) { |
834 | foreach ($this->entities as $entity) { |
835 | $exclude = false; |
836 | foreach ($exclude_id as $excl) { |
837 | if ($entity->entity_id == $excl) { |
838 | $exclude = true; |
839 | } |
840 | } |
841 | if (!$exclude) { |
27da67ae |
842 | if ($entity->type0 == 'multipart' && !$entity->type1 == 'related') { |
319cf0d2 |
843 | $result = $entity->getAttachments($exclude_id, $result); |
844 | } else if ($entity->type0 != 'multipart') { |
845 | $result[] = $entity; |
846 | } |
847 | } |
848 | } |
849 | } else { |
850 | $exclude = false; |
851 | foreach ($exclude_id as $excl) { |
852 | if ($this->entity_id == $excl) { |
853 | $exclude = true; |
854 | } |
855 | } |
856 | if (!$exclude) { |
857 | $result[] = $this; |
858 | } |
859 | } |
860 | return $result; |
861 | } |
862 | |
8f6b86cc |
863 | } |
864 | |
865 | class disposition { |
866 | function disposition($name) { |
867 | $this->name = $name; |
868 | $this->properties = array(); |
869 | } |
870 | } |
871 | |
31e0cfba |
872 | class language { |
873 | function language($name) { |
874 | $this->name = $name; |
875 | $this->properties = array(); |
876 | } |
877 | } |
878 | |
8f6b86cc |
879 | ?> |