| 19d470aa |
1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Message.class.php |
| 5 | * |
| 82d304a0 |
6 | * Copyright (c) 2003-2004 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() { |
| 51 | $filename = ''; |
| 52 | $filename = $this->header->getParameter('filename'); |
| 53 | if (!$filename) { |
| 54 | $filename = $this->header->getParameter('name'); |
| 55 | } |
| 56 | |
| 57 | if (!$filename) { |
| 58 | $filename = 'untitled-'.$this->entity_id; |
| 59 | } |
| 60 | return $filename; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | function addRFC822Header($read) { |
| 65 | $header = new Rfc822Header(); |
| 66 | $this->rfc822_header = $header->parseHeader($read); |
| 67 | } |
| 68 | |
| 69 | function getEntity($ent) { |
| 70 | $cur_ent = $this->entity_id; |
| 71 | $msg = $this; |
| 72 | if (($cur_ent == '') || ($cur_ent == '0')) { |
| 73 | $cur_ent_a = array(); |
| 74 | } else { |
| 75 | $cur_ent_a = explode('.', $this->entity_id); |
| 76 | } |
| 77 | $ent_a = explode('.', $ent); |
| 0a408606 |
78 | |
| 79 | for ($i = 0,$entCount = count($ent_a) - 1; $i < $entCount; ++$i) { |
| 19d470aa |
80 | if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) { |
| 81 | $msg = $msg->parent; |
| 82 | $cur_ent_a = explode('.', $msg->entity_id); |
| 83 | --$i; |
| 84 | } else if (!isset($cur_ent_a[$i])) { |
| 85 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
| 86 | $msg = $msg->entities[($ent_a[$i]-1)]; |
| 87 | } else { |
| 88 | $msg = $msg->entities[0]; |
| 89 | } |
| 90 | } |
| 91 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
| 92 | /*this is a header for a message/rfc822 entity */ |
| 93 | $msg = $msg->entities[0]; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
| 98 | /*this is a header for a message/rfc822 entity */ |
| 99 | $msg = $msg->entities[0]; |
| 100 | } |
| 101 | |
| 0a408606 |
102 | if (isset($msg->entities[($ent_a[$entCount])-1])) { |
| 103 | if (is_object($msg->entities[($ent_a[$entCount])-1])) { |
| 104 | $msg = $msg->entities[($ent_a[$entCount]-1)]; |
| 19d470aa |
105 | } |
| 106 | } |
| 107 | |
| 108 | return $msg; |
| 109 | } |
| 110 | |
| 111 | function setBody($s) { |
| 112 | $this->body_part = $s; |
| 113 | } |
| 114 | |
| 115 | function clean_up() { |
| 116 | $msg = $this; |
| 117 | $msg->body_part = ''; |
| 118 | |
| 119 | foreach ($msg->entities as $m) { |
| 120 | $m->clean_up(); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | function getMailbox() { |
| 125 | $msg = $this; |
| 126 | while (is_object($msg->parent)) { |
| 127 | $msg = $msg->parent; |
| 128 | } |
| 129 | return $msg->mailbox; |
| 130 | } |
| 131 | |
| 19d470aa |
132 | /* |
| 133 | * Bodystructure parser, a recursive function for generating the |
| 134 | * entity-tree with all the mime-parts. |
| 135 | * |
| 136 | * It follows RFC2060 and stores all the described fields in the |
| 137 | * message object. |
| 138 | * |
| 139 | * Question/Bugs: |
| 140 | * |
| 141 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
| 142 | * |
| 143 | */ |
| df627053 |
144 | function parseStructure($read, &$i, $sub_msg = '') { |
| e3d6469a |
145 | $msg = Message::parseBodyStructure($read, $i, $sub_msg); |
| 27dd7a0c |
146 | if($msg) $msg->setEntIds($msg,false,0); |
| e3d6469a |
147 | return $msg; |
| 148 | } |
| 149 | |
| 150 | function setEntIds(&$msg,$init=false,$i=0) { |
| 151 | $iCnt = count($msg->entities); |
| 0b914738 |
152 | if ($init !==false) { |
| 153 | $iEntSub = $i+1; |
| 154 | if ($msg->parent->type0 == 'message' && |
| 155 | $msg->parent->type1 == 'rfc822' && |
| 156 | $msg->type0 == 'multipart') { |
| 157 | $iEntSub = '0'; |
| 158 | } |
| 159 | if ($init) { |
| 160 | $msg->entity_id = "$init.$iEntSub"; |
| 161 | } else { |
| 162 | $msg->entity_id = $iEntSub; |
| 163 | } |
| 164 | } else if ($iCnt) { |
| 165 | $msg->entity_id='0'; |
| 166 | } else { |
| 167 | $msg->entity_id='1'; |
| 168 | } |
| e3d6469a |
169 | for ($i=0;$i<$iCnt;++$i) { |
| 0b914738 |
170 | $msg->entities[$i]->parent =& $msg; |
| 171 | if (strrchr($msg->entity_id, '.') != '.0') { |
| 172 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->entity_id,$i); |
| 173 | } else { |
| 174 | $msg->entities[$i]->setEntIds($msg->entities[$i],$msg->parent->entity_id,$i); |
| 175 | } |
| 176 | } |
| e3d6469a |
177 | } |
| 178 | |
| 179 | function parseBodyStructure($read, &$i, $sub_msg = '') { |
| 19d470aa |
180 | $arg_no = 0; |
| 181 | $arg_a = array(); |
| 0b914738 |
182 | if ($sub_msg) { |
| 183 | $message = $sub_msg; |
| 184 | } else { |
| 185 | $message = new Message(); |
| 186 | } |
| 78840acd |
187 | |
| 19d470aa |
188 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
| 189 | $char = strtoupper($read{$i}); |
| 190 | switch ($char) { |
| 191 | case '(': |
| 192 | switch($arg_no) { |
| 193 | case 0: |
| 194 | if (!isset($msg)) { |
| 195 | $msg = new Message(); |
| 196 | $hdr = new MessageHeader(); |
| 197 | $hdr->type0 = 'text'; |
| 198 | $hdr->type1 = 'plain'; |
| 199 | $hdr->encoding = 'us-ascii'; |
| 19d470aa |
200 | } else { |
| 201 | $msg->header->type0 = 'multipart'; |
| 202 | $msg->type0 = 'multipart'; |
| 203 | while ($read{$i} == '(') { |
| 055659ab |
204 | $msg->addEntity($msg->parseBodyStructure($read, $i, $msg)); |
| 19d470aa |
205 | } |
| 206 | } |
| 207 | break; |
| 208 | case 1: |
| 209 | /* multipart properties */ |
| 210 | ++$i; |
| 055659ab |
211 | $arg_a[] = $msg->parseProperties($read, $i); |
| 19d470aa |
212 | ++$arg_no; |
| 213 | break; |
| 214 | case 2: |
| 215 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| 216 | ++$i; |
| 055659ab |
217 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
218 | } else { /* properties */ |
| 055659ab |
219 | $arg_a[] = $msg->parseProperties($read, $i); |
| 19d470aa |
220 | } |
| 19d470aa |
221 | ++$arg_no; |
| 222 | break; |
| 223 | case 3: |
| 224 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| 225 | ++$i; |
| 055659ab |
226 | $arg_a[]= $msg->parseLanguage($read, $i); |
| 19d470aa |
227 | } |
| 228 | case 7: |
| 229 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
| 230 | $msg->header->type0 = $arg_a[0]; |
| 231 | $msg->header->type1 = $arg_a[1]; |
| 232 | $msg->type0 = $arg_a[0]; |
| 233 | $msg->type1 = $arg_a[1]; |
| 234 | $rfc822_hdr = new Rfc822Header(); |
| 055659ab |
235 | $msg->rfc822_header = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
| 19d470aa |
236 | while (($i < $cnt) && ($read{$i} != '(')) { |
| 237 | ++$i; |
| 238 | } |
| 055659ab |
239 | $msg->addEntity($msg->parseBodyStructure($read, $i,$msg)); |
| 19d470aa |
240 | } |
| 241 | break; |
| 242 | case 8: |
| 243 | ++$i; |
| 055659ab |
244 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
245 | ++$arg_no; |
| 246 | break; |
| 247 | case 9: |
| 248 | ++$i; |
| 249 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| 055659ab |
250 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
251 | } else { |
| 055659ab |
252 | $arg_a[] = $msg->parseLanguage($read, $i); |
| 19d470aa |
253 | } |
| 19d470aa |
254 | ++$arg_no; |
| 255 | break; |
| 256 | case 10: |
| 257 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| 258 | ++$i; |
| 055659ab |
259 | $arg_a[] = $msg->parseLanguage($read, $i); |
| 19d470aa |
260 | } else { |
| 055659ab |
261 | $i = $msg->parseParenthesis($read, $i); |
| 19d470aa |
262 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
| 263 | } |
| 264 | ++$arg_no; |
| 265 | break; |
| 266 | default: |
| 267 | /* unknown argument, skip this part */ |
| 055659ab |
268 | $i = $msg->parseParenthesis($read, $i); |
| 19d470aa |
269 | $arg_a[] = ''; |
| 270 | ++$arg_no; |
| 271 | break; |
| 272 | } /* switch */ |
| 273 | break; |
| 274 | case '"': |
| 275 | /* inside an entity -> start processing */ |
| 055659ab |
276 | $arg_s = $msg->parseQuote($read, $i); |
| 19d470aa |
277 | ++$arg_no; |
| 278 | if ($arg_no < 3) { |
| 279 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
| 280 | } |
| 281 | $arg_a[] = $arg_s; |
| 282 | break; |
| 283 | case 'n': |
| 284 | case 'N': |
| 285 | /* probably NIL argument */ |
| 27dd7a0c |
286 | $tmpnil = strtoupper(substr($read, $i, 4)); |
| 287 | if ($tmpnil == 'NIL ' || $tmpnil == 'NIL)') { |
| 19d470aa |
288 | $arg_a[] = ''; |
| 289 | ++$arg_no; |
| 290 | $i += 2; |
| 291 | } |
| 292 | break; |
| 293 | case '{': |
| 294 | /* process the literal value */ |
| 055659ab |
295 | $arg_a[] = $msg->parseLiteral($read, $i); |
| 19d470aa |
296 | ++$arg_no; |
| 297 | break; |
| 0b914738 |
298 | case '0': |
| 19d470aa |
299 | case is_numeric($read{$i}): |
| 300 | /* process integers */ |
| 301 | if ($read{$i} == ' ') { break; } |
| 0b914738 |
302 | ++$arg_no; |
| 303 | if (preg_match('/^([0-9]+).*/',substr($read,$i), $regs)) { |
| 304 | $i += strlen($regs[1])-1; |
| 305 | $arg_a[] = $regs[1]; |
| 306 | } else { |
| 307 | $arg_a[] = 0; |
| 308 | } |
| 19d470aa |
309 | break; |
| 310 | case ')': |
| 311 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
| 312 | if (!$multipart) { |
| 313 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
| 314 | $hdr->type0 = $arg_a[0]; |
| 315 | $hdr->type1 = $arg_a[1]; |
| 316 | |
| 317 | $msg->type0 = $arg_a[0]; |
| 318 | $msg->type1 = $arg_a[1]; |
| 319 | $arr = $arg_a[2]; |
| 320 | if (is_array($arr)) { |
| 321 | $hdr->parameters = $arg_a[2]; |
| 322 | } |
| 323 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
| 324 | $hdr->description = $arg_a[4]; |
| 325 | $hdr->encoding = strtolower($arg_a[5]); |
| 326 | $hdr->entity_id = $msg->entity_id; |
| 327 | $hdr->size = $arg_a[6]; |
| 328 | if ($shifted_args) { |
| 329 | $hdr->lines = $arg_a[7]; |
| 330 | $s = 1; |
| 331 | } else { |
| 332 | $s = 0; |
| 333 | } |
| 334 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
| 335 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
| 336 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
| 337 | $msg->header = $hdr; |
| 19d470aa |
338 | } else { |
| 339 | $hdr->type0 = 'multipart'; |
| 340 | $hdr->type1 = $arg_a[0]; |
| 341 | $msg->type0 = 'multipart'; |
| 342 | $msg->type1 = $arg_a[0]; |
| 343 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
| 344 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
| 345 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
| 346 | $msg->header = $hdr; |
| 347 | } |
| df627053 |
348 | return $msg; |
| 19d470aa |
349 | default: break; |
| 350 | } /* switch */ |
| 19d470aa |
351 | } /* for */ |
| 352 | } /* parsestructure */ |
| 353 | |
| 21a50099 |
354 | function parseProperties($read, &$i) { |
| 19d470aa |
355 | $properties = array(); |
| 356 | $prop_name = ''; |
| 357 | |
| 358 | for (; $read{$i} != ')'; ++$i) { |
| 359 | $arg_s = ''; |
| 360 | if ($read{$i} == '"') { |
| 21a50099 |
361 | $arg_s = $this->parseQuote($read, $i); |
| 19d470aa |
362 | } else if ($read{$i} == '{') { |
| 21a50099 |
363 | $arg_s = $this->parseLiteral($read, $i); |
| 19d470aa |
364 | } |
| 365 | |
| 366 | if ($arg_s != '') { |
| 367 | if ($prop_name == '') { |
| 368 | $prop_name = strtolower($arg_s); |
| 369 | $properties[$prop_name] = ''; |
| 370 | } else if ($prop_name != '') { |
| 371 | $properties[$prop_name] = $arg_s; |
| 372 | $prop_name = ''; |
| 373 | } |
| 374 | } |
| 375 | } |
| 21a50099 |
376 | return $properties; |
| 19d470aa |
377 | } |
| 378 | |
| 2bf8f74a |
379 | function parseEnvelope($read, &$i, $hdr) { |
| 19d470aa |
380 | $arg_no = 0; |
| 381 | $arg_a = array(); |
| 3cb8baa6 |
382 | ++$i; |
| 19d470aa |
383 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
| 19d470aa |
384 | $char = strtoupper($read{$i}); |
| 385 | switch ($char) { |
| 386 | case '"': |
| 21a50099 |
387 | $arg_a[] = $this->parseQuote($read, $i); |
| 19d470aa |
388 | ++$arg_no; |
| 389 | break; |
| 390 | case '{': |
| 21a50099 |
391 | $arg_a[] = $this->parseLiteral($read, $i); |
| 0b914738 |
392 | /* temp bugfix (SM 1.5 will have a working clean version) |
| 393 | too much work to implement that version right now */ |
| 394 | // --$i; |
| 19d470aa |
395 | ++$arg_no; |
| 396 | break; |
| 397 | case 'N': |
| 398 | /* probably NIL argument */ |
| 399 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| 400 | $arg_a[] = ''; |
| 401 | ++$arg_no; |
| 402 | $i += 2; |
| 403 | } |
| 404 | break; |
| 405 | case '(': |
| 406 | /* Address structure (with group support) |
| 407 | * Note: Group support is useless on SMTP connections |
| 408 | * because the protocol doesn't support it |
| 409 | */ |
| 410 | $addr_a = array(); |
| 411 | $group = ''; |
| 412 | $a=0; |
| 413 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
| 414 | if ($read{$i} == '(') { |
| 2bf8f74a |
415 | $addr = $this->parseAddress($read, $i); |
| 19d470aa |
416 | if (($addr->host == '') && ($addr->mailbox != '')) { |
| 417 | /* start of group */ |
| 418 | $group = $addr->mailbox; |
| 419 | $group_addr = $addr; |
| 420 | $j = $a; |
| 421 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
| 422 | /* end group */ |
| 423 | if ($a == ($j+1)) { /* no group members */ |
| 424 | $group_addr->group = $group; |
| 425 | $group_addr->mailbox = ''; |
| 426 | $group_addr->personal = "$group: Undisclosed recipients;"; |
| 427 | $addr_a[] = $group_addr; |
| 428 | $group =''; |
| 429 | } |
| 430 | } else { |
| 431 | $addr->group = $group; |
| 432 | $addr_a[] = $addr; |
| 433 | } |
| 434 | ++$a; |
| 435 | } |
| 436 | } |
| 437 | $arg_a[] = $addr_a; |
| 438 | break; |
| 439 | default: break; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | if (count($arg_a) > 9) { |
| 19d470aa |
444 | $d = strtr($arg_a[0], array(' ' => ' ')); |
| 445 | $d = explode(' ', $d); |
| 8c26280d |
446 | if (!$arg_a[1]) $arg_a[1] = _("(no subject)"); |
| 19d470aa |
447 | |
| 8750d90e |
448 | $hdr->date = getTimeStamp($d); /* argument 1: date */ |
| 449 | $hdr->subject = $arg_a[1]; /* argument 2: subject */ |
| df0db9ce |
450 | $hdr->from = is_array($arg_a[2]) ? $arg_a[2][0] : ''; /* argument 3: from */ |
| 451 | $hdr->sender = is_array($arg_a[3]) ? $arg_a[3][0] : ''; /* argument 4: sender */ |
| 452 | $hdr->replyto = is_array($arg_a[4]) ? $arg_a[4][0] : ''; /* argument 5: reply-to */ |
| 19d470aa |
453 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
| 454 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
| 455 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
| 456 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
| 457 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
| 458 | } |
| 2bf8f74a |
459 | return $hdr; |
| 19d470aa |
460 | } |
| 461 | |
| 21a50099 |
462 | function parseLiteral($read, &$i) { |
| 19d470aa |
463 | $lit_cnt = ''; |
| 0b914738 |
464 | ++$i; |
| 465 | $iPos = strpos($read,'}',$i); |
| 466 | if ($iPos) { |
| 467 | $lit_cnt = substr($read, $i, $iPos - $i); |
| 468 | $i += strlen($lit_cnt) + 3; /* skip } + \r + \n */ |
| 469 | /* Now read the literal */ |
| 470 | $s = ($lit_cnt ? substr($read,$i,$lit_cnt): ''); |
| 471 | $i += $lit_cnt; |
| 472 | /* temp bugfix (SM 1.5 will have a working clean version) |
| 473 | too much work to implement that version right now */ |
| 474 | --$i; |
| 475 | } else { /* should never happen */ |
| 476 | $i += 3; /* } + \r + \n */ |
| 477 | $s = ''; |
| 478 | } |
| 5520fad8 |
479 | return $s; |
| 19d470aa |
480 | } |
| 481 | |
| 21a50099 |
482 | function parseQuote($read, &$i) { |
| 19d470aa |
483 | $s = ''; |
| 0b914738 |
484 | $iPos = ++$i; |
| 485 | while (true) { |
| 486 | $iPos = strpos($read,'"',$iPos); |
| 487 | if (!$iPos) break; |
| 488 | if ($iPos && $read{$iPos -1} != '\\') { |
| 489 | $s = substr($read,$i,($iPos-$i)); |
| 490 | $i = $iPos; |
| 491 | break; |
| 492 | } |
| 493 | ++$iPos; |
| 494 | if ($iPos > strlen($read)) { |
| 495 | break; |
| 496 | } |
| 497 | } |
| 21a50099 |
498 | return $s; |
| 19d470aa |
499 | } |
| 500 | |
| 2bf8f74a |
501 | function parseAddress($read, &$i) { |
| 19d470aa |
502 | $arg_a = array(); |
| 19d470aa |
503 | for (; $read{$i} != ')'; ++$i) { |
| 504 | $char = strtoupper($read{$i}); |
| 505 | switch ($char) { |
| df627053 |
506 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| 507 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| 19d470aa |
508 | case 'n': |
| 509 | case 'N': |
| 510 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| 511 | $arg_a[] = ''; |
| 512 | $i += 2; |
| 513 | } |
| 514 | break; |
| 515 | default: break; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | if (count($arg_a) == 4) { |
| 520 | $adr = new AddressStructure(); |
| 521 | $adr->personal = $arg_a[0]; |
| 522 | $adr->adl = $arg_a[1]; |
| 523 | $adr->mailbox = $arg_a[2]; |
| 524 | $adr->host = $arg_a[3]; |
| 525 | } else { |
| 526 | $adr = ''; |
| 527 | } |
| 2bf8f74a |
528 | return $adr; |
| 19d470aa |
529 | } |
| 530 | |
| 21a50099 |
531 | function parseDisposition($read, &$i) { |
| 19d470aa |
532 | $arg_a = array(); |
| 19d470aa |
533 | for (; $read{$i} != ')'; ++$i) { |
| 534 | switch ($read{$i}) { |
| 21a50099 |
535 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| 536 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| 537 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| 19d470aa |
538 | default: break; |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | if (isset($arg_a[0])) { |
| 543 | $disp = new Disposition($arg_a[0]); |
| 544 | if (isset($arg_a[1])) { |
| 545 | $disp->properties = $arg_a[1]; |
| 546 | } |
| 547 | } |
| 548 | |
| 21a50099 |
549 | return (is_object($disp) ? $disp : ''); |
| 19d470aa |
550 | } |
| 551 | |
| 21a50099 |
552 | function parseLanguage($read, &$i) { |
| 19d470aa |
553 | /* no idea how to process this one without examples */ |
| 554 | $arg_a = array(); |
| 555 | |
| 556 | for (; $read{$i} != ')'; ++$i) { |
| 557 | switch ($read{$i}) { |
| 21a50099 |
558 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| 559 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| 560 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| 19d470aa |
561 | default: break; |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | if (isset($arg_a[0])) { |
| 566 | $lang = new Language($arg_a[0]); |
| 567 | if (isset($arg_a[1])) { |
| 568 | $lang->properties = $arg_a[1]; |
| 569 | } |
| 570 | } |
| 571 | |
| 21a50099 |
572 | return (is_object($lang) ? $lang : ''); |
| 19d470aa |
573 | } |
| 574 | |
| 575 | function parseParenthesis($read, $i) { |
| 576 | for (; $read{$i} != ')'; ++$i) { |
| 577 | switch ($read{$i}) { |
| 21a50099 |
578 | case '"': $this->parseQuote($read, $i); break; |
| 579 | case '{': $this->parseLiteral($read, $i); break; |
| 580 | case '(': $this->parseProperties($read, $i); break; |
| 19d470aa |
581 | default: break; |
| 582 | } |
| 583 | } |
| 584 | return $i; |
| 585 | } |
| 586 | |
| 587 | /* Function to fill the message structure in case the */ |
| 588 | /* bodystructure is not available NOT FINISHED YET */ |
| 589 | function parseMessage($read, $type0, $type1) { |
| 590 | switch ($type0) { |
| 591 | case 'message': |
| 592 | $rfc822_header = true; |
| 593 | $mime_header = false; |
| 594 | break; |
| 595 | case 'multipart': |
| 596 | $rfc822_header = false; |
| 597 | $mime_header = true; |
| 598 | break; |
| 599 | default: return $read; |
| 600 | } |
| 601 | |
| 602 | for ($i = 1; $i < $count; ++$i) { |
| 603 | $line = trim($body[$i]); |
| 604 | if (($mime_header || $rfc822_header) && |
| 605 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
| 606 | $bnd = $reg[1]; |
| 607 | $bndreg = $bnd; |
| 608 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
| 609 | $bndreg = str_replace("?", "\\?", $bndreg); |
| 610 | $bndreg = str_replace("+", "\\+", $bndreg); |
| 611 | $bndreg = str_replace(".", "\\.", $bndreg); |
| 612 | $bndreg = str_replace("/", "\\/", $bndreg); |
| 613 | $bndreg = str_replace("-", "\\-", $bndreg); |
| 614 | $bndreg = str_replace("(", "\\(", $bndreg); |
| 615 | $bndreg = str_replace(")", "\\)", $bndreg); |
| 616 | } else if ($rfc822_header && $line == '') { |
| 617 | $rfc822_header = false; |
| 618 | if ($msg->type0 == 'multipart') { |
| 619 | $mime_header = true; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
| 624 | $cnt = count($boundaries)-1; |
| 625 | $bnd = $boundaries[$cnt]['bnd']; |
| 626 | $bndreg = $boundaries[$cnt]['bndreg']; |
| 627 | |
| 628 | $regstr = '/^--'."($bndreg)".".*".'/'; |
| 629 | if (preg_match($regstr, $line, $reg)) { |
| 630 | $bndlen = strlen($reg[1]); |
| 631 | $bndend = false; |
| 632 | if (strlen($line) > ($bndlen + 3)) { |
| 633 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
| 634 | $bndend = true; |
| 635 | } |
| 636 | } |
| 637 | if ($bndend) { |
| 638 | /* calc offset and return $msg */ |
| 639 | //$entStr = CalcEntity("$entStr", -1); |
| 640 | array_pop($boundaries); |
| 641 | $mime_header = true; |
| 642 | $bnd_end = true; |
| 643 | } else { |
| 644 | $mime_header = true; |
| 645 | $bnd_end = false; |
| 646 | //$entStr = CalcEntity("$entStr", 0); |
| 647 | ++$content_indx; |
| 648 | } |
| 649 | } else { |
| 650 | if ($header) { } |
| 651 | } |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
| 657 | $found = false; |
| 658 | if ($this->type0 == 'multipart') { |
| 659 | if($this->type1 == 'alternative') { |
| 660 | $msg = $this->findAlternativeEntity($alt_order); |
| 661 | if (count($msg->entities) == 0) { |
| 662 | $entity[] = $msg->entity_id; |
| 663 | } else { |
| 664 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| 665 | } |
| 666 | $found = true; |
| 667 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
| 668 | $msgs = $this->findRelatedEntity(); |
| 669 | foreach ($msgs as $msg) { |
| 670 | if (count($msg->entities) == 0) { |
| 671 | $entity[] = $msg->entity_id; |
| 672 | } else { |
| 673 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| 674 | } |
| 675 | } |
| 676 | if (count($msgs) > 0) { |
| 677 | $found = true; |
| 678 | } |
| 679 | } else { /* Treat as multipart/mixed */ |
| 680 | foreach ($this->entities as $ent) { |
| 681 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| 0b914738 |
682 | (!isset($ent->header->parameters['filename'])) && |
| 683 | (!isset($ent->header->parameters['name'])) && |
| 19d470aa |
684 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| 685 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| 686 | $found = true; |
| 687 | } |
| 688 | } |
| 689 | } |
| 690 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
| 691 | $type = $this->type0.'/'.$this->type1; |
| 0b914738 |
692 | // $alt_order[] = "message/rfc822"; |
| 19d470aa |
693 | foreach ($alt_order as $alt) { |
| 694 | if( ($alt == $type) && isset($this->entity_id) ) { |
| 695 | if ((count($this->entities) == 0) && |
| 0b914738 |
696 | (!isset($ent->header->parameters['filename'])) && |
| 697 | (!isset($ent->header->parameters['name'])) && |
| 19d470aa |
698 | (strtolower($this->header->disposition->name) != 'attachment')) { |
| 699 | $entity[] = $this->entity_id; |
| 700 | $found = true; |
| 701 | } |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | if(!$found) { |
| 706 | foreach ($this->entities as $ent) { |
| 707 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| 708 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| 709 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| 710 | $found = true; |
| 711 | } |
| 712 | } |
| 713 | } |
| 714 | if(!$strict && !$found) { |
| 715 | if (($this->type0 == 'text') && |
| 716 | in_array($this->type1, array('plain', 'html', 'message')) && |
| 717 | isset($this->entity_id)) { |
| 718 | if (count($this->entities) == 0) { |
| 719 | if (strtolower($this->header->disposition->name) != 'attachment') { |
| 720 | $entity[] = $this->entity_id; |
| 721 | } |
| 722 | } |
| 723 | } |
| 724 | } |
| 19d470aa |
725 | return $entity; |
| 726 | } |
| 727 | |
| 728 | function findAlternativeEntity($alt_order) { |
| 729 | /* If we are dealing with alternative parts then we */ |
| 730 | /* choose the best viewable message supported by SM. */ |
| 731 | $best_view = 0; |
| 732 | $entity = array(); |
| 733 | foreach($this->entities as $ent) { |
| 734 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
| 735 | if ($type == 'multipart/related') { |
| 736 | $type = $ent->header->getParameter('type'); |
| 0b914738 |
737 | // Mozilla bug. Mozilla does not provide the parameter type. |
| 738 | if (!$type) $type = 'text/html'; |
| 19d470aa |
739 | } |
| 740 | $altCount = count($alt_order); |
| 741 | for ($j = $best_view; $j < $altCount; ++$j) { |
| 742 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
| 743 | $best_view = $j; |
| 744 | $entity = $ent; |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | return $entity; |
| 750 | } |
| 751 | |
| 752 | function findRelatedEntity() { |
| 753 | $msgs = array(); |
| 0b914738 |
754 | $related_type = $this->header->getParameter('type'); |
| 755 | // Mozilla bug. Mozilla does not provide the parameter type. |
| 756 | if (!$related_type) $related_type = 'text/html'; |
| 19d470aa |
757 | $entCount = count($this->entities); |
| 758 | for ($i = 0; $i < $entCount; ++$i) { |
| 759 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
| 0b914738 |
760 | if ($related_type == $type) { |
| 19d470aa |
761 | $msgs[] = $this->entities[$i]; |
| 762 | } |
| 763 | } |
| 19d470aa |
764 | return $msgs; |
| 765 | } |
| 766 | |
| 767 | function getAttachments($exclude_id=array(), $result = array()) { |
| e3d6469a |
768 | /* |
| 769 | if (($this->type0 == 'message') && |
| 0b914738 |
770 | ($this->type1 == 'rfc822') && |
| 771 | ($this->entity_id) ) { |
| 19d470aa |
772 | $this = $this->entities[0]; |
| 773 | } |
| e3d6469a |
774 | */ |
| 19d470aa |
775 | if (count($this->entities)) { |
| 776 | foreach ($this->entities as $entity) { |
| 777 | $exclude = false; |
| 19d470aa |
778 | foreach ($exclude_id as $excl) { |
| 779 | if ($entity->entity_id === $excl) { |
| 780 | $exclude = true; |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | if (!$exclude) { |
| 785 | if (($entity->type0 == 'multipart') && |
| 786 | ($entity->type1 != 'related')) { |
| 787 | $result = $entity->getAttachments($exclude_id, $result); |
| 788 | } else if ($entity->type0 != 'multipart') { |
| 789 | $result[] = $entity; |
| 790 | } |
| 791 | } |
| 792 | } |
| 793 | } else { |
| 794 | $exclude = false; |
| 795 | foreach ($exclude_id as $excl) { |
| 796 | $exclude = $exclude || ($this->entity_id == $excl); |
| 797 | } |
| 798 | |
| 799 | if (!$exclude) { |
| 800 | $result[] = $this; |
| 801 | } |
| 802 | } |
| 19d470aa |
803 | return $result; |
| 804 | } |
| a56f52b9 |
805 | |
| 806 | function initAttachment($type, $name, $location) { |
| 807 | $attachment = new Message(); |
| 808 | $mime_header = new MessageHeader(); |
| 809 | $mime_header->setParameter('name', $name); |
| 0b914738 |
810 | $pos = strpos($type, '/'); |
| 811 | if ($pos > 0) { |
| 812 | $mime_header->type0 = substr($type, 0, $pos); |
| 813 | $mime_header->type1 = substr($type, $pos+1); |
| 814 | } else { |
| 815 | $mime_header->type0 = $type; |
| 816 | } |
| 817 | $attachment->att_local_name = $location; |
| 818 | $disposition = new Disposition('attachment'); |
| 819 | $disposition->properties['filename'] = $name; |
| 820 | $mime_header->disposition = $disposition; |
| 821 | $attachment->mime_header = $mime_header; |
| 822 | $this->entities[]=$attachment; |
| a56f52b9 |
823 | } |
| 19d470aa |
824 | } |
| 825 | |
| 826 | ?> |
projects / squirrelmail.git / blame