| 8f6b86cc |
1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * mime.class |
| 5 | * |
| 6 | * Copyright (c) 2002 The SquirrelMail Project Team |
| 7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
| 8 | * |
| 9 | * |
| 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 = '', |
| 24 | $disposition = '', $md5='', $language='',$dnt = '', $xmailer = ''; |
| 25 | |
| 26 | /* |
| 27 | * returns addres_list of supplied argument |
| 28 | * arguments: array('to', 'from', ...) or just a string like 'to'. |
| 29 | * result: string: address1, addres2, .... |
| 30 | */ |
| 31 | |
| 32 | function setVar($var, $value) { |
| 33 | $this->{$var} = $value; |
| 34 | } |
| 35 | /* |
| 36 | * function to get the addres strings out of the header. |
| 37 | * Arguments: string or array of strings ! |
| 38 | * example1: header->getAddr_s('to'). |
| 39 | * example2: header->getAddr_s(array('to','cc','bcc')) |
| 40 | */ |
| 41 | function getAddr_s($arr) { |
| 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 $s; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | function getAddr_a($arg, $excl_arr=array(), $arr = array()) { |
| 72 | if (is_array($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 | } |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | class address_structure { |
| 112 | var $personal = '', $adl = '', $mailbox = '', $host = '', $group = ''; |
| 113 | |
| 114 | function getAddress($full=true) { |
| 115 | if (is_object($this)) { |
| 116 | if (isset($this->host) && $this->host !='') { |
| 117 | $email = '<'.$this->mailbox.'@'.$this->host.'>'; |
| 118 | } else { |
| 119 | $email = $this->mailbox; |
| 120 | } |
| 121 | if (trim($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 | } |
| 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='', |
| 149 | $parent = '', $decoded_body='', |
| 150 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
| 151 | $is_mdnsent = 0; |
| 152 | |
| 153 | function setEnt($ent) { |
| 154 | $this->entity_id= $ent; |
| 155 | } |
| 156 | |
| 157 | function setBody($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) { |
| 166 | $header = new msg_header(); |
| 167 | $this->header = sqimap_parse_RFC822Header($read,$header); |
| 168 | } |
| 169 | |
| 170 | function getEntity($ent) { |
| 171 | $cur_ent = $this->entity_id; |
| 172 | if ($cur_ent == '' || $cur_ent == '0') { |
| 173 | $cur_ent_a = array(); |
| 174 | } else { |
| 175 | $cur_ent_a = explode('.',$this->entity_id); |
| 176 | } |
| 177 | $ent_a = explode('.',$ent); |
| 178 | |
| 179 | $cnt = count($ent_a); |
| 180 | $msg = $this; |
| 181 | for ($i=0;$i<$cnt -1;$i++) { |
| 182 | if (isset($cur_ent_a[$i]) && $cur_ent_a[$i] != $ent_a[$i]) { |
| 183 | $msg = $msg->parent; |
| 184 | $cur_ent_a = explode('.',$msg->entity_id); |
| 185 | $i--; |
| 186 | } else if (!isset($cur_ent_a[$i])) { |
| 187 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
| 188 | $msg = $msg->entities[($ent_a[$i]-1)]; |
| 189 | } else { |
| 190 | $msg = $msg->entities[0]; |
| 191 | } |
| 192 | } |
| 193 | if ($msg->type0 == 'message') { |
| 194 | /*this is a header for a message/rfc822 entity */ |
| 195 | $msg = $msg->entities[0]; |
| 196 | } |
| 197 | } |
| 198 | if ($msg->type0 == 'message') { |
| 199 | /*this is a header for a message/rfc822 entity */ |
| 200 | $msg = $msg->entities[0]; |
| 201 | } |
| 202 | |
| 203 | if (isset($msg->entities[($ent_a[$cnt-1])-1])) { |
| 204 | $msg = $msg->entities[($ent_a[$cnt-1]-1)]; |
| 205 | } |
| 206 | return $msg; |
| 207 | } |
| 208 | /* |
| 209 | * Bodystructure parser, a recursive function for generating the |
| 210 | * entity-tree with all the mime-parts. |
| 211 | * |
| 212 | * It follows RFC2060 and stores all the described fields in the |
| 213 | * message object. |
| 214 | * |
| 215 | * Question/Bugs: |
| 216 | * |
| 217 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net. |
| 218 | * |
| 219 | */ |
| 220 | function parseStructure($read, $i=0, $message = false) { |
| 221 | $arg_no = 0; |
| 222 | $arg_a = array(); |
| 223 | $cnt = strlen($read); |
| 224 | while ($i < $cnt) { |
| 225 | $char = strtoupper($read{$i}); |
| 226 | switch ($char) { |
| 227 | case '(': |
| 228 | if ($arg_no == 0 ) { |
| 229 | if (!isset($msg)) { |
| 230 | $msg = new message(); |
| 231 | $hdr = new msg_header(); |
| 232 | $hdr->type0 = 'text'; |
| 233 | $hdr->type1 = 'plain'; |
| 234 | $hdr->encoding = 'us-ascii'; |
| 235 | |
| 236 | if ($this->type0 == 'message' && $this->type1 == 'rfc822') { |
| 237 | $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ |
| 238 | } else if (isset($this->entity_id) && $this->entity_id !='') { |
| 239 | $ent_no = count($this->entities)+1; |
| 240 | $par_ent = substr($this->entity_id,-2); |
| 241 | if ($par_ent{0} == '.') { |
| 242 | $par_ent = $par_ent{1}; |
| 243 | } |
| 244 | if ($par_ent == '0') { |
| 245 | $ent_no = count($this->entities)+1; |
| 246 | if ($ent_no > 0) { |
| 247 | $ent = substr($this->entity_id,0,strrpos($this->entity_id,'.')); |
| 248 | if ($ent) { |
| 249 | $ent = $ent . ".$ent_no"; |
| 250 | } else { |
| 251 | $ent = $ent_no; |
| 252 | } |
| 253 | $msg->entity_id = $ent; |
| 254 | } else { |
| 255 | $msg->entity_id = $ent_no; |
| 256 | } |
| 257 | } else { |
| 258 | $ent = $this->entity_id . ".$ent_no"; |
| 259 | $msg->entity_id = $ent; |
| 260 | } |
| 261 | } else { |
| 262 | $msg->entity_id = '0'; |
| 263 | } |
| 264 | } else { |
| 265 | $msg->header->type0 = 'multipart'; |
| 266 | $msg->type0 = 'multipart'; |
| 267 | while ($read{$i} == '(') { |
| 268 | $msg->addEntity($msg->parseStructure($read,&$i)); |
| 269 | } |
| 270 | } |
| 271 | } else { |
| 272 | switch ($arg_no) { |
| 273 | case 1: |
| 274 | /* multipart properties */ |
| 275 | $i++; |
| 276 | $arg_a[] = $this->parseProperties($read,&$i); |
| 277 | $arg_no++; |
| 278 | break; |
| 279 | case 2: |
| 280 | if (isset($msg->type0) && $msg->type0 == 'multipart') { |
| 281 | $i++; |
| 282 | $arg_a[]= $msg->parseDisposition($read,&$i); |
| 283 | } else { /* properties */ |
| 284 | /* properties */ |
| 285 | $arg_a[] = $msg->parseProperties($read,&$i); |
| 286 | } |
| 287 | $arg_no++; |
| 288 | break; |
| 289 | case 7: |
| 290 | if ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822') { |
| 291 | |
| 292 | $msg->header->type0 = $arg_a[0]; |
| 293 | $msg->type0 = $arg_a[0]; |
| 294 | |
| 295 | $msg->parseEnvelope($read,&$i,&$hdr); |
| 296 | $i++; |
| 297 | while ($i < $cnt && $read{$i} != '(') { |
| 298 | $i++; |
| 299 | } |
| 300 | $msg->addEntity($msg->parseStructure($read,&$i)); |
| 301 | } |
| 302 | break; |
| 303 | case 8: |
| 304 | $i++; |
| 305 | $arg_a[] = $msg->parseDisposition($read,&$i); |
| 306 | $arg_no++; |
| 307 | break; |
| 308 | case 9: |
| 309 | if ($arg_a[0] == 'text' || |
| 310 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
| 311 | $i++; |
| 312 | $arg_a[] = $msg->parseDisposition($read,&$i); |
| 313 | } else { |
| 314 | $arg_a[] = $msg->parseLanguage($read,&$i); |
| 315 | } |
| 316 | $arg_no++; |
| 317 | break; |
| 318 | case 10: |
| 319 | if ($arg_a[0] == 'text' || |
| 320 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
| 321 | $arg_a[] = $msg->parseLanguage($read,&$i); |
| 322 | } else { |
| 323 | $arg_a[] = ''; /* not yet desribed in rfc2060 */ |
| 324 | } |
| 325 | $arg_no++; |
| 326 | break; |
| 327 | default: |
| 328 | /* unknown argument, skip this part */ |
| 329 | $msg->parseParenthesis($read,&$i); |
| 330 | $arg_a[] = ''; |
| 331 | $arg_no++; |
| 332 | break; |
| 333 | } /* switch */ |
| 334 | } |
| 335 | break; |
| 336 | case '"': |
| 337 | /* inside an entity -> start processing */ |
| 338 | $debug = substr($read,$i,20); |
| 339 | $arg_s = $msg->parseQuote($read,&$i); |
| 340 | $arg_no++; |
| 341 | if ($arg_no < 3) $arg_s = strtolower($arg_s); /* type0 and type1 */ |
| 342 | $arg_a[] = $arg_s; |
| 343 | break; |
| 344 | case 'N': |
| 345 | /* probably NIL argument */ |
| 346 | if (strtolower(substr($read,$i,3)) == 'nil') { |
| 347 | $arg_a[] = ''; |
| 348 | $arg_no++; |
| 349 | $i = $i+2; |
| 350 | } |
| 351 | break; |
| 352 | case '{': |
| 353 | /* process the literal value */ |
| 354 | $arg_a[] = $msg->parseLiteral($read,&$i); |
| 355 | $arg_no++; |
| 356 | break; |
| 357 | case (is_numeric($read{$i}) ): |
| 358 | /* process integers */ |
| 359 | if ($read{$i} == ' ') break; |
| 360 | $arg_s = $read{$i};; |
| 361 | $i++; |
| 362 | while (preg_match('/\d+/',$read{$i})) { // != ' ') { |
| 363 | $arg_s .= $read{$i}; |
| 364 | $i++; |
| 365 | } |
| 366 | $arg_no++; |
| 367 | $arg_a[] = $arg_s; |
| 368 | break; |
| 369 | case ')': |
| 370 | if (isset($msg->type0) && $msg->type0 == 'multipart') { |
| 371 | $multipart = true; |
| 372 | } else { |
| 373 | $multipart = false; |
| 374 | } |
| 375 | if (!$multipart) { |
| 376 | if ($arg_a[0] == 'text' || |
| 377 | ($arg_a[0] == 'message' && $arg_a[1] == 'rfc822')) { |
| 378 | $shifted_args = true; |
| 379 | } else { |
| 380 | $shifted_args = false; |
| 381 | } |
| 382 | $hdr->type0 = $arg_a[0]; |
| 383 | $hdr->type1 = $arg_a[1]; |
| 384 | |
| 385 | $msg->type0 = $arg_a[0]; |
| 386 | $msg->type1 = $arg_a[1]; |
| 387 | |
| 388 | $arr = $arg_a[2]; |
| 389 | if (is_array($arr)) { |
| 390 | foreach($arr as $name => $value) { |
| 391 | $hdr->{$name} = $value; |
| 392 | } |
| 393 | } |
| 394 | $hdr->id = str_replace( '<', '', str_replace( '>', '', $arg_a[3] ) ); |
| 395 | $hdr->description = $arg_a[4]; |
| 396 | $hdr->encoding = strtolower($arg_a[5]); |
| 397 | $hdr->entity_id = $msg->entity_id; |
| 398 | $hdr->size = $arg_a[6]; |
| 399 | if ($shifted_args) { |
| 400 | $hdr->lines = $arg_a[7]; |
| 401 | if (isset($arg_a[8])) { |
| 402 | $hdr->md5 = $arg_a[8]; |
| 403 | } |
| 404 | if (isset($arg_a[9])) { |
| 405 | $hdr->disposition = $arg_a[9]; |
| 406 | } |
| 407 | if (isset($arg_a[10])) { |
| 408 | $hdr->language = $arg_a[10]; |
| 409 | } |
| 410 | } else { |
| 411 | if (isset($arg_a[7])) { |
| 412 | $hdr->md5 = $arg_a[7]; |
| 413 | } |
| 414 | if (isset($arg_a[8])) { |
| 415 | $hdr->disposition = $arg_a[8]; |
| 416 | } |
| 417 | if (isset($arg_a[9])) { |
| 418 | $hdr->language = $arg_a[9]; |
| 419 | } |
| 420 | } |
| 421 | $msg->header = $hdr; |
| 422 | $arg_no = 0; |
| 423 | $i++; |
| 424 | if (substr($msg->entity_id,-2) == '.0' && $msg->type0 !='multipart') { |
| 425 | $msg->entity_id++; |
| 426 | } |
| 427 | return $msg; |
| 428 | } else { |
| 429 | $hdr->type0 = 'multipart'; |
| 430 | $hdr->type1 = $arg_a[0]; |
| 431 | |
| 432 | $msg->type0 = 'multipart'; |
| 433 | $msg->type1 = $arg_a[0]; |
| 434 | if (isset($arg_a[1])) { |
| 435 | $arr = $arg_a[1]; |
| 436 | if (is_array($arr)) { |
| 437 | foreach($arr as $name => $value) { |
| 438 | $hdr->{$name} = $value; |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | if (isset($arg_a[2])) { |
| 443 | $hdr->disposition = $arg_a[2]; |
| 444 | } |
| 445 | if (isset($arg_a[3])) { |
| 446 | $hdr->language = $arg_a[3]; |
| 447 | } |
| 448 | $msg->header = $hdr; |
| 449 | return $msg; |
| 450 | } |
| 451 | default: |
| 452 | break; |
| 453 | } /* switch */ |
| 454 | $i++; |
| 455 | } /* while */ |
| 456 | } /* parsestructure */ |
| 457 | |
| 458 | function parseProperties($read, $i) { |
| 459 | $properties = array(); |
| 460 | $arg_s = ''; |
| 461 | $prop_name = ''; |
| 462 | while ($read{$i} != ')') { |
| 463 | if ($read{$i} == '"') { |
| 464 | $arg_s = $this->parseQuote($read,&$i); |
| 465 | } else if ($read{$i} == '{') { |
| 466 | $arg_s = $this->parseLiteral($read,&$i); |
| 467 | } |
| 468 | if ($prop_name == '' && $arg_s) { |
| 469 | $prop_name = strtolower($arg_s); |
| 470 | $properties[$prop_name] = ''; |
| 471 | $arg_s = ''; |
| 472 | } elseif ($prop_name != '' && $arg_s != '') { |
| 473 | $properties[$prop_name] = $arg_s; |
| 474 | $prop_name = ''; |
| 475 | $arg_s = ''; |
| 476 | } |
| 477 | $i++; |
| 478 | } |
| 479 | return $properties; |
| 480 | } |
| 481 | |
| 482 | function parseEnvelope($read, $i, $hdr) { |
| 483 | $arg_no = 0; |
| 484 | $arg_a = array(); |
| 485 | $cnt = strlen($read); |
| 486 | while ($i< $cnt && $read{$i} != ')') { |
| 487 | $i++; |
| 488 | $char = strtoupper($read{$i}); |
| 489 | switch ($char) { |
| 490 | case '"': |
| 491 | $arg_a[] = $this->parseQuote($read,&$i); |
| 492 | $arg_no++; |
| 493 | break; |
| 494 | case '{': |
| 495 | $arg_a[] = $this->parseLiteral($read,&$i); |
| 496 | $arg_no++; |
| 497 | break; |
| 498 | case 'N': |
| 499 | /* probably NIL argument */ |
| 500 | if (strtolower(substr($read,$i,3)) == 'nil') { |
| 501 | $arg_a[] = ''; |
| 502 | $arg_no++; |
| 503 | $i = $i+2; |
| 504 | } |
| 505 | break; |
| 506 | case '(': |
| 507 | /* Address structure |
| 508 | * With group support. |
| 509 | * Note: Group support is useless on SMTP connections |
| 510 | * because the protocol doesn't support it |
| 511 | */ |
| 512 | $addr_a = array(); |
| 513 | $group = ''; |
| 514 | $a=0; |
| 515 | while ($i < $cnt && $read{$i} != ')') { |
| 516 | if ($read{$i} == '(') { |
| 517 | $addr = $this->parseAddress($read,&$i); |
| 518 | if ($addr->host == '' && $addr->mailbox != '') { |
| 519 | /* start of group */ |
| 520 | $group = $addr->mailbox; |
| 521 | $group_addr = $addr; |
| 522 | $j = $a; |
| 523 | } elseif ($group && $addr->host == '' && $addr->mailbox == '') { |
| 524 | /* end group */ |
| 525 | if ($a == $j+1) { /* no group members */ |
| 526 | $group_addr->group = $group; |
| 527 | $group_addr->mailbox = ''; |
| 528 | $group_addr->personal = "$group: Undisclosed recipients;"; |
| 529 | $addr_a[] = $group_addr; |
| 530 | $group =''; |
| 531 | } |
| 532 | } else { |
| 533 | $addr->group = $group; |
| 534 | $addr_a[] = $addr; |
| 535 | } |
| 536 | $a++; |
| 537 | } |
| 538 | $i++; |
| 539 | } |
| 540 | $arg_a[] = $addr_a; |
| 541 | break; |
| 542 | default: |
| 543 | break; |
| 544 | } |
| 545 | $i++; |
| 546 | } |
| 547 | if (count($arg_a) > 9) { |
| 548 | /* argument 1: date */ |
| 549 | $d = strtr($arg_a[0], array(' ' => ' ')); |
| 550 | $d = explode(' ', $d); |
| 551 | $hdr->date = getTimeStamp($d); |
| 552 | /* argument 2: subject */ |
| 553 | if (!trim($arg_a[1])) { |
| 554 | $arg_a[1]= _("(no subject)"); |
| 555 | } |
| 556 | $hdr->subject = $arg_a[1]; |
| 557 | /* argument 3: from */ |
| 558 | $hdr->from = $arg_a[2][0]; |
| 559 | /* argument 4: sender */ |
| 560 | $hdr->sender = $arg_a[3][0]; |
| 561 | /* argument 5: reply-to */ |
| 562 | $hdr->replyto = $arg_a[4][0]; |
| 563 | /* argument 6: to */ |
| 564 | $hdr->to = $arg_a[5]; |
| 565 | /* argument 7: cc */ |
| 566 | $hdr->cc = $arg_a[6]; |
| 567 | /* argument 8: bcc */ |
| 568 | $hdr->bcc = $arg_a[7]; |
| 569 | /* argument 9: in-reply-to */ |
| 570 | $hdr->inreplyto = $arg_a[8]; |
| 571 | /* argument 10: message-id */ |
| 572 | $hdr->message_id = $arg_a[9]; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | function parseLiteral($read, $i) { |
| 577 | $lit_cnt = ''; |
| 578 | $i++; |
| 579 | while ($read{$i} != '}') { |
| 580 | $lit_cnt .= $read{$i}; |
| 581 | $i++; |
| 582 | } |
| 583 | $s = ''; |
| 584 | for ($j = 0; $j < $lit_cnt; $j++) { |
| 585 | $i++; |
| 586 | $s .= $read{$i}; |
| 587 | } |
| 588 | return $s; |
| 589 | } |
| 590 | |
| 591 | function parseQuote($read, $i) { |
| 592 | $i++; |
| 593 | $s = ''; |
| 594 | $cnt = strlen($read); |
| 595 | while ($i < $cnt && $read{$i} != '"') { |
| 596 | if ($read{$i} == '\\') { |
| 597 | $i++; |
| 598 | } |
| 599 | $s .= $read{$i}; |
| 600 | $i++; |
| 601 | } |
| 602 | return $s; |
| 603 | } |
| 604 | |
| 605 | function parseAddress($read, $i) { |
| 606 | $arg_a = array(); |
| 607 | while ($read{$i} != ')') { |
| 608 | $char = strtoupper($read{$i}); |
| 609 | switch ($char) { |
| 610 | case '"': |
| 611 | $arg_a[] = $this->parseQuote($read,&$i); |
| 612 | break; |
| 613 | case '{': |
| 614 | $arg_a[] = $this->parseLiteral($read,&$i); |
| 615 | break; |
| 616 | case 'N': |
| 617 | if (strtolower(substr($read,$i,3)) == 'nil') { |
| 618 | $arg_a[] = ''; |
| 619 | $i = $i+2; |
| 620 | } |
| 621 | default: |
| 622 | break; |
| 623 | } |
| 624 | $i++; |
| 625 | } |
| 626 | if (count($arg_a) == 4) { |
| 627 | $adr = new address_structure(); |
| 628 | $adr->personal = $arg_a[0]; |
| 629 | $adr->adl = $arg_a[1]; |
| 630 | $adr->mailbox = $arg_a[2]; |
| 631 | $adr->host = $arg_a[3]; |
| 632 | } else $adr = ''; |
| 633 | return $adr; |
| 634 | } |
| 635 | |
| 636 | function parseDisposition($read,$i) { |
| 637 | $arg_a = array(); |
| 638 | while ($read{$i} != ')') { |
| 639 | switch ($read{$i}) { |
| 640 | case '"': |
| 641 | $arg_a[] = $this->parseQuote($read,&$i); |
| 642 | break; |
| 643 | case '{': |
| 644 | $arg_a[] = $this->parseLiteral($read,&$i); |
| 645 | break; |
| 646 | case '(': |
| 647 | $arg_a[] = $this->parseProperties($read,&$i); |
| 648 | break; |
| 649 | default: |
| 650 | break; |
| 651 | } |
| 652 | $i++; |
| 653 | } |
| 654 | if (isset($arg_a[0])) { |
| 655 | $disp = new disposition($arg_a[0]); |
| 656 | if (isset($arg_a[1])) { |
| 657 | $disp->properties = $arg_a[1]; |
| 658 | } |
| 659 | } |
| 660 | if (is_object($disp)) return $disp; |
| 661 | } |
| 662 | |
| 663 | function parseLanguage($read,&$i) { |
| 664 | /* no idea how to process this one without examples */ |
| 665 | return ''; |
| 666 | } |
| 667 | |
| 668 | function parseParenthesis($read,&$i) { |
| 669 | while ($read{$i} != ')') { |
| 670 | switch ($read{$i}) { |
| 671 | case '"': |
| 672 | $this->parseQuote($read,&$i); |
| 673 | break; |
| 674 | case '{': |
| 675 | $this->parseLiteral($read,&$i); |
| 676 | break; |
| 677 | case '(': |
| 678 | $this->parseParenthesis($read,&$i); |
| 679 | break; |
| 680 | default: |
| 681 | break; |
| 682 | } |
| 683 | $i++; |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | class disposition { |
| 689 | function disposition($name) { |
| 690 | $this->name = $name; |
| 691 | $this->properties = array(); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | ?> |
projects / squirrelmail.git / blame