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