| 19d470aa |
1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Message.class.php |
| 5 | * |
| 6 | * Copyright (c) 2002 The SquirrelMail Project Team |
| 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(), |
| 26 | $parent_ent, $entity, |
| 27 | $parent = '', $decoded_body='', |
| 28 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
| 29 | $is_mdnsent = 0, |
| 30 | $body_part = '', |
| 31 | $offset = 0, /* for fetching body parts out of raw messages */ |
| 32 | $length = 0, /* for fetching body parts out of raw messages */ |
| 33 | $att_local_name = ''; /* location where the tempory attachment |
| 34 | is stored. For future usage in smtp.php */ |
| 35 | |
| 36 | function setEnt($ent) { |
| 37 | $this->entity_id= $ent; |
| 38 | } |
| 39 | |
| 40 | function addEntity ($msg) { |
| 41 | $msg->parent = &$this; |
| 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 $msg->mailbox; |
| 125 | } |
| 126 | |
| 127 | function calcEntity($msg) { |
| 128 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
| 129 | $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ |
| 130 | } else if (isset($this->entity_id) && ($this->entity_id != '')) { |
| 131 | $entCount = count($this->entities) + 1; |
| 132 | $par_ent = substr($this->entity_id, -2); |
| 133 | if ($par_ent{0} == '.') { |
| 134 | $par_ent = $par_ent{1}; |
| 135 | } |
| 136 | if ($par_ent == '0') { |
| 137 | if ($entCount > 0) { |
| 138 | $ent = substr($this->entity_id, 0, strrpos($this->entity_id, '.')); |
| 139 | $ent = ($ent ? $ent . '.' : '') . $entCount; |
| 140 | $msg->entity_id = $ent; |
| 141 | } else { |
| 142 | $msg->entity_id = $entCount; |
| 143 | } |
| 144 | } else { |
| 145 | $ent = $this->entity_id . '.' . $entCount; |
| 146 | $msg->entity_id = $ent; |
| 147 | } |
| 148 | } else { |
| 149 | $msg->entity_id = '0'; |
| 150 | } |
| 151 | |
| 152 | return $msg->entity_id; |
| 153 | } |
| 154 | |
| 155 | |
| 156 | /* |
| 157 | * Bodystructure parser, a recursive function for generating the |
| 158 | * entity-tree with all the mime-parts. |
| 159 | * |
| 160 | * It follows RFC2060 and stores all the described fields in the |
| 161 | * message object. |
| 162 | * |
| 163 | * Question/Bugs: |
| 164 | * |
| 165 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
| 166 | * |
| 167 | */ |
| 168 | function parseStructure($read, $i = 0) { |
| 169 | $arg_no = 0; |
| 170 | $arg_a = array(); |
| 171 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
| 172 | $char = strtoupper($read{$i}); |
| 173 | switch ($char) { |
| 174 | case '(': |
| 175 | switch($arg_no) { |
| 176 | case 0: |
| 177 | if (!isset($msg)) { |
| 178 | $msg = new Message(); |
| 179 | $hdr = new MessageHeader(); |
| 180 | $hdr->type0 = 'text'; |
| 181 | $hdr->type1 = 'plain'; |
| 182 | $hdr->encoding = 'us-ascii'; |
| 183 | $msg->entity_id = $this->calcEntity($msg); |
| 184 | } else { |
| 185 | $msg->header->type0 = 'multipart'; |
| 186 | $msg->type0 = 'multipart'; |
| 187 | while ($read{$i} == '(') { |
| 188 | $res = $msg->parseStructure($read, $i); |
| 189 | $i = $res[1]; |
| 190 | $msg->addEntity($res[0]); |
| 191 | } |
| 192 | } |
| 193 | break; |
| 194 | case 1: |
| 195 | /* multipart properties */ |
| 196 | ++$i; |
| 21a50099 |
197 | $arg_a[] = $this->parseProperties($read, $i); |
| 19d470aa |
198 | ++$arg_no; |
| 199 | break; |
| 200 | case 2: |
| 201 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| 202 | ++$i; |
| 21a50099 |
203 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
204 | } else { /* properties */ |
| 21a50099 |
205 | $arg_a[] = $msg->parseProperties($read, $i); |
| 19d470aa |
206 | } |
| 19d470aa |
207 | ++$arg_no; |
| 208 | break; |
| 209 | case 3: |
| 210 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| 211 | ++$i; |
| 212 | $res= $msg->parseLanguage($read, $i); |
| 213 | $arg_a[] = $res[0]; |
| 214 | $i = $res[1]; |
| 215 | } |
| 216 | case 7: |
| 217 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
| 218 | $msg->header->type0 = $arg_a[0]; |
| 219 | $msg->header->type1 = $arg_a[1]; |
| 220 | $msg->type0 = $arg_a[0]; |
| 221 | $msg->type1 = $arg_a[1]; |
| 222 | $rfc822_hdr = new Rfc822Header(); |
| 223 | $res = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
| 224 | $msg->rfc822_header = $res[0]; |
| 225 | $i = $res[1] + 1; |
| 226 | while (($i < $cnt) && ($read{$i} != '(')) { |
| 227 | ++$i; |
| 228 | } |
| 229 | $res = $msg->parseStructure($read, $i); |
| 230 | $i = $res[1]; |
| 231 | $msg->addEntity($res[0]); |
| 232 | } |
| 233 | break; |
| 234 | case 8: |
| 235 | ++$i; |
| 21a50099 |
236 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
237 | ++$arg_no; |
| 238 | break; |
| 239 | case 9: |
| 240 | ++$i; |
| 241 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| 21a50099 |
242 | $arg_a[] = $msg->parseDisposition($read, $i); |
| 19d470aa |
243 | } else { |
| 21a50099 |
244 | $arg_a[] = $msg->parseLanguage($read, $i); |
| 19d470aa |
245 | } |
| 19d470aa |
246 | ++$arg_no; |
| 247 | break; |
| 248 | case 10: |
| 249 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| 250 | ++$i; |
| 21a50099 |
251 | $arg_a[] = $msg->parseLanguage($read, $i); |
| 19d470aa |
252 | } else { |
| 253 | $i = $msg->parseParenthesis($read, $i); |
| 254 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
| 255 | } |
| 256 | ++$arg_no; |
| 257 | break; |
| 258 | default: |
| 259 | /* unknown argument, skip this part */ |
| 260 | $i = $msg->parseParenthesis($read, $i); |
| 261 | $arg_a[] = ''; |
| 262 | ++$arg_no; |
| 263 | break; |
| 264 | } /* switch */ |
| 265 | break; |
| 266 | case '"': |
| 267 | /* inside an entity -> start processing */ |
| 268 | $debug = substr($read, $i, 20); |
| 21a50099 |
269 | $arg_s = $msg->parseQuote($read, $i); |
| 19d470aa |
270 | ++$arg_no; |
| 271 | if ($arg_no < 3) { |
| 272 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
| 273 | } |
| 274 | $arg_a[] = $arg_s; |
| 275 | break; |
| 276 | case 'n': |
| 277 | case 'N': |
| 278 | /* probably NIL argument */ |
| 279 | if (strtoupper(substr($read, $i, 4)) == 'NIL ') { |
| 280 | $arg_a[] = ''; |
| 281 | ++$arg_no; |
| 282 | $i += 2; |
| 283 | } |
| 284 | break; |
| 285 | case '{': |
| 286 | /* process the literal value */ |
| 21a50099 |
287 | $arg_s = $msg->parseLiteral($read, $i); |
| 19d470aa |
288 | ++$arg_no; |
| 289 | break; |
| 290 | case is_numeric($read{$i}): |
| 291 | /* process integers */ |
| 292 | if ($read{$i} == ' ') { break; } |
| 293 | $arg_s = $read{$i};; |
| 294 | for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) { |
| 295 | $arg_s .= $read{$i}; |
| 296 | } |
| 297 | ++$arg_no; |
| 298 | $arg_a[] = $arg_s; |
| 299 | break; |
| 300 | case ')': |
| 301 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
| 302 | if (!$multipart) { |
| 303 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
| 304 | $hdr->type0 = $arg_a[0]; |
| 305 | $hdr->type1 = $arg_a[1]; |
| 306 | |
| 307 | $msg->type0 = $arg_a[0]; |
| 308 | $msg->type1 = $arg_a[1]; |
| 309 | $arr = $arg_a[2]; |
| 310 | if (is_array($arr)) { |
| 311 | $hdr->parameters = $arg_a[2]; |
| 312 | } |
| 313 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
| 314 | $hdr->description = $arg_a[4]; |
| 315 | $hdr->encoding = strtolower($arg_a[5]); |
| 316 | $hdr->entity_id = $msg->entity_id; |
| 317 | $hdr->size = $arg_a[6]; |
| 318 | if ($shifted_args) { |
| 319 | $hdr->lines = $arg_a[7]; |
| 320 | $s = 1; |
| 321 | } else { |
| 322 | $s = 0; |
| 323 | } |
| 324 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
| 325 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
| 326 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
| 327 | $msg->header = $hdr; |
| 328 | if ((strrchr($msg->entity_id, '.') == '.0') && ($msg->type0 !='multipart')) { |
| 329 | $msg->entity_id = $this->entity_id . '.1'; |
| 330 | } |
| 331 | } else { |
| 332 | $hdr->type0 = 'multipart'; |
| 333 | $hdr->type1 = $arg_a[0]; |
| 334 | $msg->type0 = 'multipart'; |
| 335 | $msg->type1 = $arg_a[0]; |
| 336 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
| 337 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
| 338 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
| 339 | $msg->header = $hdr; |
| 340 | } |
| 341 | ++$i; |
| 342 | return (array($msg, $i)); |
| 343 | default: break; |
| 344 | } /* switch */ |
| 345 | |
| 346 | } /* for */ |
| 347 | } /* parsestructure */ |
| 348 | |
| 21a50099 |
349 | function parseProperties($read, &$i) { |
| 19d470aa |
350 | $properties = array(); |
| 351 | $prop_name = ''; |
| 352 | |
| 353 | for (; $read{$i} != ')'; ++$i) { |
| 354 | $arg_s = ''; |
| 355 | if ($read{$i} == '"') { |
| 21a50099 |
356 | $arg_s = $this->parseQuote($read, $i); |
| 19d470aa |
357 | } else if ($read{$i} == '{') { |
| 21a50099 |
358 | $arg_s = $this->parseLiteral($read, $i); |
| 19d470aa |
359 | } |
| 360 | |
| 361 | if ($arg_s != '') { |
| 362 | if ($prop_name == '') { |
| 363 | $prop_name = strtolower($arg_s); |
| 364 | $properties[$prop_name] = ''; |
| 365 | } else if ($prop_name != '') { |
| 366 | $properties[$prop_name] = $arg_s; |
| 367 | $prop_name = ''; |
| 368 | } |
| 369 | } |
| 370 | } |
| 21a50099 |
371 | return $properties; |
| 19d470aa |
372 | } |
| 373 | |
| 374 | function parseEnvelope($read, $i, $hdr) { |
| 375 | $arg_no = 0; |
| 376 | $arg_a = array(); |
| 377 | |
| 378 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
| 379 | ++$i; |
| 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, $i); |
| 19d470aa |
388 | ++$arg_no; |
| 389 | break; |
| 390 | case 'N': |
| 391 | /* probably NIL argument */ |
| 392 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| 393 | $arg_a[] = ''; |
| 394 | ++$arg_no; |
| 395 | $i += 2; |
| 396 | } |
| 397 | break; |
| 398 | case '(': |
| 399 | /* Address structure (with group support) |
| 400 | * Note: Group support is useless on SMTP connections |
| 401 | * because the protocol doesn't support it |
| 402 | */ |
| 403 | $addr_a = array(); |
| 404 | $group = ''; |
| 405 | $a=0; |
| 406 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
| 407 | if ($read{$i} == '(') { |
| 408 | $res = $this->parseAddress($read, $i); |
| 409 | $addr = $res[0]; |
| 410 | $i = $res[1]; |
| 411 | if (($addr->host == '') && ($addr->mailbox != '')) { |
| 412 | /* start of group */ |
| 413 | $group = $addr->mailbox; |
| 414 | $group_addr = $addr; |
| 415 | $j = $a; |
| 416 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
| 417 | /* end group */ |
| 418 | if ($a == ($j+1)) { /* no group members */ |
| 419 | $group_addr->group = $group; |
| 420 | $group_addr->mailbox = ''; |
| 421 | $group_addr->personal = "$group: Undisclosed recipients;"; |
| 422 | $addr_a[] = $group_addr; |
| 423 | $group =''; |
| 424 | } |
| 425 | } else { |
| 426 | $addr->group = $group; |
| 427 | $addr_a[] = $addr; |
| 428 | } |
| 429 | ++$a; |
| 430 | } |
| 431 | } |
| 432 | $arg_a[] = $addr_a; |
| 433 | break; |
| 434 | default: break; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | if (count($arg_a) > 9) { |
| 439 | /* argument 1: date */ |
| 440 | $d = strtr($arg_a[0], array(' ' => ' ')); |
| 441 | $d = explode(' ', $d); |
| 442 | $hdr->date = getTimeStamp($d); |
| 443 | |
| 444 | /* argument 2: subject */ |
| 445 | $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]); |
| 446 | $hdr->subject = $arg_a[1]; |
| 447 | |
| 448 | $hdr->from = $arg_a[2][0]; /* argument 3: from */ |
| 449 | $hdr->sender = $arg_a[3][0]; /* argument 4: sender */ |
| 450 | $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */ |
| 451 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
| 452 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
| 453 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
| 454 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
| 455 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
| 456 | } |
| 457 | return (array($hdr, $i)); |
| 458 | } |
| 459 | |
| 21a50099 |
460 | function parseLiteral($read, &$i) { |
| 19d470aa |
461 | $lit_cnt = ''; |
| 462 | for (++$i; $read{$i} != '}'; ++$i) { |
| 463 | $lit_cnt .= $read{$i}; |
| 464 | } |
| 465 | |
| 466 | $lit_cnt +=2; /* add the { and } characters */ |
| 467 | $s = ''; |
| 468 | for ($j = 0; $j < $lit_cnt; ++$j) { |
| 469 | $s .= $read{++$i}; |
| 470 | } |
| 471 | return (array($s, $i)); |
| 472 | } |
| 473 | |
| 21a50099 |
474 | function parseQuote($read, &$i) { |
| 19d470aa |
475 | $s = ''; |
| 476 | for (++$i; $read{$i} != '"'; ++$i) { |
| 477 | if ($read{$i} == '\\') { |
| 478 | ++$i; |
| 479 | } |
| 480 | $s .= $read{$i}; |
| 481 | } |
| 21a50099 |
482 | return $s; |
| 19d470aa |
483 | } |
| 484 | |
| 485 | function parseAddress($read, $i) { |
| 486 | $arg_a = array(); |
| 487 | |
| 488 | for (; $read{$i} != ')'; ++$i) { |
| 489 | $char = strtoupper($read{$i}); |
| 490 | switch ($char) { |
| 491 | case '"': |
| 492 | case '{': |
| 21a50099 |
493 | $arg_a[] = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i)); |
| 19d470aa |
494 | break; |
| 495 | case 'n': |
| 496 | case 'N': |
| 497 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| 498 | $arg_a[] = ''; |
| 499 | $i += 2; |
| 500 | } |
| 501 | break; |
| 502 | default: break; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | if (count($arg_a) == 4) { |
| 507 | $adr = new AddressStructure(); |
| 508 | $adr->personal = $arg_a[0]; |
| 509 | $adr->adl = $arg_a[1]; |
| 510 | $adr->mailbox = $arg_a[2]; |
| 511 | $adr->host = $arg_a[3]; |
| 512 | } else { |
| 513 | $adr = ''; |
| 514 | } |
| 515 | return (array($adr, $i)); |
| 516 | } |
| 517 | |
| 21a50099 |
518 | function parseDisposition($read, &$i) { |
| 19d470aa |
519 | $arg_a = array(); |
| 19d470aa |
520 | for (; $read{$i} != ')'; ++$i) { |
| 521 | switch ($read{$i}) { |
| 21a50099 |
522 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| 523 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| 524 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| 19d470aa |
525 | default: break; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | if (isset($arg_a[0])) { |
| 530 | $disp = new Disposition($arg_a[0]); |
| 531 | if (isset($arg_a[1])) { |
| 532 | $disp->properties = $arg_a[1]; |
| 533 | } |
| 534 | } |
| 535 | |
| 21a50099 |
536 | return (is_object($disp) ? $disp : ''); |
| 19d470aa |
537 | } |
| 538 | |
| 21a50099 |
539 | function parseLanguage($read, &$i) { |
| 19d470aa |
540 | /* no idea how to process this one without examples */ |
| 541 | $arg_a = array(); |
| 542 | |
| 543 | for (; $read{$i} != ')'; ++$i) { |
| 544 | switch ($read{$i}) { |
| 21a50099 |
545 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| 546 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| 547 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| 19d470aa |
548 | default: break; |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | if (isset($arg_a[0])) { |
| 553 | $lang = new Language($arg_a[0]); |
| 554 | if (isset($arg_a[1])) { |
| 555 | $lang->properties = $arg_a[1]; |
| 556 | } |
| 557 | } |
| 558 | |
| 21a50099 |
559 | return (is_object($lang) ? $lang : ''); |
| 19d470aa |
560 | } |
| 561 | |
| 562 | function parseParenthesis($read, $i) { |
| 563 | for (; $read{$i} != ')'; ++$i) { |
| 564 | switch ($read{$i}) { |
| 21a50099 |
565 | case '"': $this->parseQuote($read, $i); break; |
| 566 | case '{': $this->parseLiteral($read, $i); break; |
| 567 | case '(': $this->parseProperties($read, $i); break; |
| 19d470aa |
568 | default: break; |
| 569 | } |
| 570 | } |
| 571 | return $i; |
| 572 | } |
| 573 | |
| 574 | /* Function to fill the message structure in case the */ |
| 575 | /* bodystructure is not available NOT FINISHED YET */ |
| 576 | function parseMessage($read, $type0, $type1) { |
| 577 | switch ($type0) { |
| 578 | case 'message': |
| 579 | $rfc822_header = true; |
| 580 | $mime_header = false; |
| 581 | break; |
| 582 | case 'multipart': |
| 583 | $rfc822_header = false; |
| 584 | $mime_header = true; |
| 585 | break; |
| 586 | default: return $read; |
| 587 | } |
| 588 | |
| 589 | for ($i = 1; $i < $count; ++$i) { |
| 590 | $line = trim($body[$i]); |
| 591 | if (($mime_header || $rfc822_header) && |
| 592 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
| 593 | $bnd = $reg[1]; |
| 594 | $bndreg = $bnd; |
| 595 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
| 596 | $bndreg = str_replace("?", "\\?", $bndreg); |
| 597 | $bndreg = str_replace("+", "\\+", $bndreg); |
| 598 | $bndreg = str_replace(".", "\\.", $bndreg); |
| 599 | $bndreg = str_replace("/", "\\/", $bndreg); |
| 600 | $bndreg = str_replace("-", "\\-", $bndreg); |
| 601 | $bndreg = str_replace("(", "\\(", $bndreg); |
| 602 | $bndreg = str_replace(")", "\\)", $bndreg); |
| 603 | } else if ($rfc822_header && $line == '') { |
| 604 | $rfc822_header = false; |
| 605 | if ($msg->type0 == 'multipart') { |
| 606 | $mime_header = true; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
| 611 | $cnt = count($boundaries)-1; |
| 612 | $bnd = $boundaries[$cnt]['bnd']; |
| 613 | $bndreg = $boundaries[$cnt]['bndreg']; |
| 614 | |
| 615 | $regstr = '/^--'."($bndreg)".".*".'/'; |
| 616 | if (preg_match($regstr, $line, $reg)) { |
| 617 | $bndlen = strlen($reg[1]); |
| 618 | $bndend = false; |
| 619 | if (strlen($line) > ($bndlen + 3)) { |
| 620 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
| 621 | $bndend = true; |
| 622 | } |
| 623 | } |
| 624 | if ($bndend) { |
| 625 | /* calc offset and return $msg */ |
| 626 | //$entStr = CalcEntity("$entStr", -1); |
| 627 | array_pop($boundaries); |
| 628 | $mime_header = true; |
| 629 | $bnd_end = true; |
| 630 | } else { |
| 631 | $mime_header = true; |
| 632 | $bnd_end = false; |
| 633 | //$entStr = CalcEntity("$entStr", 0); |
| 634 | ++$content_indx; |
| 635 | } |
| 636 | } else { |
| 637 | if ($header) { } |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
| 644 | $found = false; |
| 645 | if ($this->type0 == 'multipart') { |
| 646 | if($this->type1 == 'alternative') { |
| 647 | $msg = $this->findAlternativeEntity($alt_order); |
| 648 | if (count($msg->entities) == 0) { |
| 649 | $entity[] = $msg->entity_id; |
| 650 | } else { |
| 651 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| 652 | } |
| 653 | $found = true; |
| 654 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
| 655 | $msgs = $this->findRelatedEntity(); |
| 656 | foreach ($msgs as $msg) { |
| 657 | if (count($msg->entities) == 0) { |
| 658 | $entity[] = $msg->entity_id; |
| 659 | } else { |
| 660 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| 661 | } |
| 662 | } |
| 663 | if (count($msgs) > 0) { |
| 664 | $found = true; |
| 665 | } |
| 666 | } else { /* Treat as multipart/mixed */ |
| 667 | foreach ($this->entities as $ent) { |
| 668 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| 669 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| 670 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| 671 | $found = true; |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
| 676 | $type = $this->type0.'/'.$this->type1; |
| 677 | foreach ($alt_order as $alt) { |
| 678 | if( ($alt == $type) && isset($this->entity_id) ) { |
| 679 | if ((count($this->entities) == 0) && |
| 680 | (strtolower($this->header->disposition->name) != 'attachment')) { |
| 681 | $entity[] = $this->entity_id; |
| 682 | $found = true; |
| 683 | } |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | if(!$found) { |
| 688 | foreach ($this->entities as $ent) { |
| 689 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| 690 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| 691 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| 692 | $found = true; |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | if(!$strict && !$found) { |
| 697 | if (($this->type0 == 'text') && |
| 698 | in_array($this->type1, array('plain', 'html', 'message')) && |
| 699 | isset($this->entity_id)) { |
| 700 | if (count($this->entities) == 0) { |
| 701 | if (strtolower($this->header->disposition->name) != 'attachment') { |
| 702 | $entity[] = $this->entity_id; |
| 703 | } |
| 704 | } |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | return $entity; |
| 709 | } |
| 710 | |
| 711 | function findAlternativeEntity($alt_order) { |
| 712 | /* If we are dealing with alternative parts then we */ |
| 713 | /* choose the best viewable message supported by SM. */ |
| 714 | $best_view = 0; |
| 715 | $entity = array(); |
| 716 | foreach($this->entities as $ent) { |
| 717 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
| 718 | if ($type == 'multipart/related') { |
| 719 | $type = $ent->header->getParameter('type'); |
| 720 | } |
| 721 | $altCount = count($alt_order); |
| 722 | for ($j = $best_view; $j < $altCount; ++$j) { |
| 723 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
| 724 | $best_view = $j; |
| 725 | $entity = $ent; |
| 726 | } |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | return $entity; |
| 731 | } |
| 732 | |
| 733 | function findRelatedEntity() { |
| 734 | $msgs = array(); |
| 735 | |
| 736 | $entCount = count($this->entities); |
| 737 | for ($i = 0; $i < $entCount; ++$i) { |
| 738 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
| 739 | if ($this->header->getParameter('type') == $type) { |
| 740 | $msgs[] = $this->entities[$i]; |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | return $msgs; |
| 745 | } |
| 746 | |
| 747 | function getAttachments($exclude_id=array(), $result = array()) { |
| 748 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
| 749 | $this = $this->entities[0]; |
| 750 | } |
| 751 | |
| 752 | if (count($this->entities)) { |
| 753 | foreach ($this->entities as $entity) { |
| 754 | $exclude = false; |
| 755 | |
| 756 | foreach ($exclude_id as $excl) { |
| 757 | if ($entity->entity_id === $excl) { |
| 758 | $exclude = true; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | if (!$exclude) { |
| 763 | if (($entity->type0 == 'multipart') && |
| 764 | ($entity->type1 != 'related')) { |
| 765 | $result = $entity->getAttachments($exclude_id, $result); |
| 766 | } else if ($entity->type0 != 'multipart') { |
| 767 | $result[] = $entity; |
| 768 | } |
| 769 | } |
| 770 | } |
| 771 | } else { |
| 772 | $exclude = false; |
| 773 | foreach ($exclude_id as $excl) { |
| 774 | $exclude = $exclude || ($this->entity_id == $excl); |
| 775 | } |
| 776 | |
| 777 | if (!$exclude) { |
| 778 | $result[] = $this; |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | return $result; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | ?> |
projects / squirrelmail.git / blame