| | 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 | * This contains functions needed to handle mime messages. |
| | 10 | * |
| | 11 | * $Id$ |
| | 12 | */ |
| | 13 | |
| | 14 | /* |
| | 15 | * rdc822_header class |
| | 16 | * input: header_string or array |
| | 17 | */ |
| | 18 | class rfc822_header { |
| | 19 | var $date = '', |
| | 20 | $subject = '', |
| | 21 | $from = array(), |
| | 22 | $sender = '', |
| | 23 | $reply_to = array(), |
| | 24 | $to = array(), |
| | 25 | $cc = array(), |
| | 26 | $bcc = array(), |
| | 27 | $in_reply_to = '', |
| | 28 | $message_id = '', |
| | 29 | $mime = false, |
| | 30 | $content_type = '', |
| | 31 | $disposition = '', |
| | 32 | $xmailer = '', |
| | 33 | $priority = 3, |
| | 34 | $dnt = '', |
| | 35 | $mlist = array(), |
| | 36 | $more_headers = array(); /* only needed for constructing headers |
| | 37 | in smtp.php */ |
| | 38 | function parseHeader($hdr) { |
| | 39 | if (is_array($hdr)) { |
| | 40 | $hdr = implode('', $hdr); |
| | 41 | } |
| | 42 | |
| | 43 | /* First we unfold the header */ |
| | 44 | $hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $hdr)); |
| | 45 | |
| | 46 | /* Now we can make a new header array with */ |
| | 47 | /* each element representing a headerline */ |
| | 48 | $hdr = explode("\r\n" , $hdr); |
| | 49 | foreach ($hdr as $line) { |
| | 50 | $pos = strpos($line, ':'); |
| | 51 | if ($pos > 0) { |
| | 52 | $field = substr($line, 0, $pos); |
| | 53 | $value = trim(substr($line, $pos+1)); |
| | 54 | if(!preg_match('/^X.*/i', $field) && |
| | 55 | !preg_match('/^Subject/i', $field)) { |
| | 56 | $value = $this->stripComments($value); |
| | 57 | } |
| | 58 | $this->parseField($field, $value); |
| | 59 | } |
| | 60 | } |
| | 61 | if ($this->content_type == '') { |
| | 62 | $this->parseContentType('text/plain; charset=us-ascii'); |
| | 63 | } |
| | 64 | } |
| | 65 | |
| | 66 | function stripComments($value) { |
| | 67 | $result = ''; |
| | 68 | for ($i = 0, $cnt = strlen($value); $i < $cnt; $i++) { |
| | 69 | switch ($value{$i}) { |
| | 70 | case '"': |
| | 71 | $result .= '"'; |
| | 72 | while ((++$i < $cnt) && ($value{$i} != '"')) { |
| | 73 | if ($value{$i} == '\\') { |
| | 74 | $result .= '\\'; |
| | 75 | $i++; |
| | 76 | } |
| | 77 | $result .= $value{$i}; |
| | 78 | } |
| | 79 | $result .= $value{$i}; |
| | 80 | break; |
| | 81 | case '(': |
| | 82 | $depth = 1; |
| | 83 | while (($depth > 0) && (++$i < $cnt)) { |
| | 84 | switch($value{$i}) { |
| | 85 | case '\\': |
| | 86 | $i++; |
| | 87 | break; |
| | 88 | case '(': |
| | 89 | $depth++; |
| | 90 | break; |
| | 91 | case ')': |
| | 92 | $depth--; |
| | 93 | break; |
| | 94 | default: |
| | 95 | break; |
| | 96 | } |
| | 97 | } |
| | 98 | break; |
| | 99 | default: |
| | 100 | $result .= $value{$i}; |
| | 101 | break; |
| | 102 | } |
| | 103 | } |
| | 104 | return $result; |
| | 105 | } |
| | 106 | |
| | 107 | function parseField($field, $value) { |
| | 108 | $field = strtolower($field); |
| | 109 | switch($field) { |
| | 110 | case 'date': |
| | 111 | $d = strtr($value, array(' ' => ' ')); |
| | 112 | $d = explode(' ', $d); |
| | 113 | $this->date = getTimeStamp($d); |
| | 114 | break; |
| | 115 | case 'subject': |
| | 116 | $this->subject = $value; |
| | 117 | break; |
| | 118 | case 'from': |
| | 119 | $this->from = $this->parseAddress($value,true); |
| | 120 | break; |
| | 121 | case 'sender': |
| | 122 | $this->sender = $this->parseAddress($value); |
| | 123 | break; |
| | 124 | case 'reply-to': |
| | 125 | $this->reply_to = $this->parseAddress($value, true); |
| | 126 | break; |
| | 127 | case 'to': |
| | 128 | $this->to = $this->parseAddress($value, true); |
| | 129 | break; |
| | 130 | case 'cc': |
| | 131 | $this->cc = $this->parseAddress($value, true); |
| | 132 | break; |
| | 133 | case 'bcc': |
| | 134 | $this->bcc = $this->parseAddress($value, true); |
| | 135 | break; |
| | 136 | case 'in-reply-to': |
| | 137 | $this->in_reply_to = $value; |
| | 138 | break; |
| | 139 | case 'message-id': |
| | 140 | $this->message_id = $value; |
| | 141 | break; |
| | 142 | case 'disposition-notification-to': |
| | 143 | $this->dnt = $this->parseAddress($value); |
| | 144 | break; |
| | 145 | case 'mime-version': |
| | 146 | $value = str_replace(' ', '', $value); |
| | 147 | $this->mime = ($value == '1.0' ? true : $this->mime); |
| | 148 | break; |
| | 149 | case 'content-type': |
| | 150 | $this->parseContentType($value); |
| | 151 | break; |
| | 152 | case 'content-disposition': |
| | 153 | $this->parseDisposition($value); |
| | 154 | break; |
| | 155 | case 'user-agent': |
| | 156 | case 'x-mailer': |
| | 157 | $this->xmailer = $value; |
| | 158 | break; |
| | 159 | case 'x-priority': |
| | 160 | $this->priority = $value; |
| | 161 | break; |
| | 162 | case 'list-post': |
| | 163 | $this->mlist('post', $value); |
| | 164 | break; |
| | 165 | case 'list-reply': |
| | 166 | $this->mlist('reply', $value); |
| | 167 | break; |
| | 168 | case 'list-subscribe': |
| | 169 | $this->mlist('subscribe', $value); |
| | 170 | break; |
| | 171 | case 'list-unsubscribe': |
| | 172 | $this->mlist('unsubscribe', $value); |
| | 173 | break; |
| | 174 | case 'list-archive': |
| | 175 | $this->mlist('archive', $value); |
| | 176 | break; |
| | 177 | case 'list-owner': |
| | 178 | $this->mlist('owner', $value); |
| | 179 | break; |
| | 180 | case 'list-help': |
| | 181 | $this->mlist('help', $value); |
| | 182 | break; |
| | 183 | case 'list-id': |
| | 184 | $this->mlist('id', $value); |
| | 185 | break; |
| | 186 | default: |
| | 187 | break; |
| | 188 | } |
| | 189 | } |
| | 190 | |
| | 191 | function parseAddress |
| | 192 | ($address, $ar=false, $addr_ar = array(), $group = '') { |
| | 193 | $pos = 0; |
| | 194 | $j = strlen($address); |
| | 195 | $name = ''; |
| | 196 | $addr = ''; |
| | 197 | while ($pos < $j) { |
| | 198 | switch ($address{$pos}) { |
| | 199 | case '"': /* get the personal name */ |
| | 200 | if ($address{++$pos} == '"') { |
| | 201 | ++$pos; |
| | 202 | } else { |
| | 203 | while ($pos < $j && $address{$pos} != '"') { |
| | 204 | if ((substr($address, $pos, 2) == '\\"') || |
| | 205 | (substr($address, $pos, 2) == '\\\\')) { |
| | 206 | $name .= $address{$pos++}; |
| | 207 | } |
| | 208 | $name .= $address{$pos++}; |
| | 209 | } |
| | 210 | } |
| | 211 | ++$pos; |
| | 212 | break; |
| | 213 | case '<': /* get email address */ |
| | 214 | $addr_start = $pos++; |
| | 215 | while ($pos < $j && $address{$pos} != '>') { |
| | 216 | $addr .= $address{$pos++}; |
| | 217 | } |
| | 218 | ++$pos; |
| | 219 | break; |
| | 220 | case '(': /* rip off comments */ |
| | 221 | $addr_start = $pos; |
| | 222 | for (++$pos; $pos < $j && $address{$pos} != ')'; ++$pos) { |
| | 223 | $addr .= $address{$pos}; |
| | 224 | } |
| | 225 | $address_start = substr($address, 0, $addr_start); |
| | 226 | $address_end = substr($address, $pos + 1); |
| | 227 | $address = $address_start . $address_end; |
| | 228 | $j = strlen($address); |
| | 229 | $pos = $addr_start + 1; |
| | 230 | break; |
| | 231 | case ',': /* we reached a delimiter */ |
| | 232 | if ($addr == '') { |
| | 233 | $addr = substr($address, 0, $pos); |
| | 234 | } else if ($name == '') { |
| | 235 | $name = trim(substr($address, 0, $addr_start)); |
| | 236 | } |
| | 237 | |
| | 238 | $at = strpos($addr, '@'); |
| | 239 | $addr_structure = new address_structure(); |
| | 240 | $addr_structure->personal = $name; |
| | 241 | $addr_structure->group = $group; |
| | 242 | if ($at) { |
| | 243 | $addr_structure->mailbox = substr($addr, 0, $at); |
| | 244 | $addr_structure->host = substr($addr, $at+1); |
| | 245 | } else { |
| | 246 | $addr_structure->mailbox = $addr; |
| | 247 | } |
| | 248 | $address = trim(substr($address, $pos+1)); |
| | 249 | $j = strlen($address); |
| | 250 | $pos = 0; |
| | 251 | $name = ''; |
| | 252 | $addr = ''; |
| | 253 | $addr_ar[] = $addr_structure; |
| | 254 | break; |
| | 255 | case ':': /* process the group addresses */ |
| | 256 | /* group marker */ |
| | 257 | $group = substr($address, 0, $pos); |
| | 258 | $address = substr($address, $pos+1); |
| | 259 | $result = $this->parseAddress($address, $ar, $addr_ar, $group); |
| | 260 | $addr_ar = $result[0]; |
| | 261 | $pos = $result[1]; |
| | 262 | $address = substr($address, $pos++); |
| | 263 | $j = strlen($address); |
| | 264 | $group = ''; |
| | 265 | break; |
| | 266 | case ';': |
| | 267 | if ($group) { |
| | 268 | $address = substr($address, 0, $pos - 1); |
| | 269 | } |
| | 270 | ++$pos; |
| | 271 | break; |
| | 272 | default: |
| | 273 | ++$pos; |
| | 274 | break; |
| | 275 | } |
| | 276 | } |
| | 277 | if ($addr == '') { |
| | 278 | $addr = substr($address, 0, $pos); |
| | 279 | } else if ($name == '') { |
| | 280 | $name = trim(substr($address, 0, $addr_start)); |
| | 281 | } |
| | 282 | $at = strpos($addr, '@'); |
| | 283 | $addr_structure = new address_structure(); |
| | 284 | $addr_structure->group = $group; |
| | 285 | if ($at) { |
| | 286 | $addr_structure->mailbox = trim(substr($addr, 0, $at)); |
| | 287 | $addr_structure->host = trim(substr($addr, $at+1)); |
| | 288 | } else { |
| | 289 | $addr_structure->mailbox = trim($addr); |
| | 290 | } |
| | 291 | if ($group && $addr == '') { /* no addresses found in group */ |
| | 292 | $name = "$group: Undisclosed recipients;"; |
| | 293 | $addr_structure->personal = $name; |
| | 294 | $addr_ar[] = $addr_structure; |
| | 295 | return (array($addr_ar, $pos+1)); |
| | 296 | } else { |
| | 297 | $addr_structure->personal = $name; |
| | 298 | if ($name || $addr) { |
| | 299 | $addr_ar[] = $addr_structure; |
| | 300 | } |
| | 301 | } |
| | 302 | if ($ar) { |
| | 303 | return ($addr_ar); |
| | 304 | } |
| | 305 | return ($addr_ar[0]); |
| | 306 | } |
| | 307 | |
| | 308 | function parseContentType($value) { |
| | 309 | $pos = strpos($value, ';'); |
| | 310 | $props = ''; |
| | 311 | if ($pos > 0) { |
| | 312 | $type = trim(substr($value, 0, $pos)); |
| | 313 | $props = trim(substr($type, $pos+1)); |
| | 314 | } else { |
| | 315 | $type = $value; |
| | 316 | } |
| | 317 | $content_type = new content_type($type); |
| | 318 | if ($props) { |
| | 319 | $properties = $this->parseProperties($props); |
| | 320 | if (!isset($properties['charset'])) { |
| | 321 | $properties['charset'] = 'us-ascii'; |
| | 322 | } |
| | 323 | $content_type->properties = $this->parseProperties($props); |
| | 324 | } |
| | 325 | $this->content_type = $content_type; |
| | 326 | } |
| | 327 | |
| | 328 | function parseProperties($value) { |
| | 329 | $propArray = explode(';', $value); |
| | 330 | $propResultArray = array(); |
| | 331 | foreach ($propArray as $prop) { |
| | 332 | $prop = trim($prop); |
| | 333 | $pos = strpos($prop, '='); |
| | 334 | if ($pos > 0) { |
| | 335 | $key = trim(substr($prop, 0, $pos)); |
| | 336 | $val = trim(substr($prop, $pos+1)); |
| | 337 | if ($val{0} == '"') { |
| | 338 | $val = substr($val, 1, -1); |
| | 339 | } |
| | 340 | $propResultArray[$key] = $val; |
| | 341 | } |
| | 342 | } |
| | 343 | return $propResultArray; |
| | 344 | } |
| | 345 | |
| | 346 | function parseDisposition($value) { |
| | 347 | $pos = strpos($value, ';'); |
| | 348 | $props = ''; |
| | 349 | if ($pos > 0) { |
| | 350 | $name = trim(substr($value, 0, $pos)); |
| | 351 | $props = trim(substr($type, $pos+1)); |
| | 352 | } else { |
| | 353 | $name = $value; |
| | 354 | } |
| | 355 | $props_a = $this->parseProperties($props); |
| | 356 | $disp = new disposition($name); |
| | 357 | $disp->properties = $props_a; |
| | 358 | $this->disposition = $disp; |
| | 359 | } |
| | 360 | |
| | 361 | function mlist($field, $value) { |
| | 362 | $res_a = array(); |
| | 363 | $value_a = explode(',', $value); |
| | 364 | foreach ($value_a as $val) { |
| | 365 | $val = trim($val); |
| | 366 | if ($val{0} == '<') { |
| | 367 | $val = substr($val, 1, -1); |
| | 368 | } |
| | 369 | if (substr($val, 0, 7) == 'mailto:') { |
| | 370 | $res_a['mailto'] = substr($val, 7); |
| | 371 | } else { |
| | 372 | $res_a['href'] = $val; |
| | 373 | } |
| | 374 | } |
| | 375 | $this->mlist[$field] = $res_a; |
| | 376 | } |
| | 377 | |
| | 378 | /* |
| | 379 | * function to get the addres strings out of the header. |
| | 380 | * Arguments: string or array of strings ! |
| | 381 | * example1: header->getAddr_s('to'). |
| | 382 | * example2: header->getAddr_s(array('to', 'cc', 'bcc')) |
| | 383 | */ |
| | 384 | function getAddr_s($arr, $separator = ',') { |
| | 385 | $s = ''; |
| | 386 | |
| | 387 | if (is_array($arr)) { |
| | 388 | foreach($arr as $arg) { |
| | 389 | if ($this->getAddr_s($arg)) { |
| | 390 | $s .= $separator . $result; |
| | 391 | } |
| | 392 | } |
| | 393 | $s = ($s ? substr($s, 2) : $s); |
| | 394 | } else { |
| | 395 | eval('$addr = $this->' . $arr . ';') ; |
| | 396 | if (is_array($addr)) { |
| | 397 | foreach ($addr as $addr_o) { |
| | 398 | if (is_object($addr_o)) { |
| | 399 | $s .= $addr_o->getAddress() . $separator; |
| | 400 | } |
| | 401 | } |
| | 402 | $s = substr($s, 0, -strlen($separator)); |
| | 403 | } else { |
| | 404 | if (is_object($addr)) { |
| | 405 | $s .= $addr->getAddress(); |
| | 406 | } |
| | 407 | } |
| | 408 | } |
| | 409 | return $s; |
| | 410 | } |
| | 411 | |
| | 412 | function getAddr_a($arg, $excl_arr = array(), $arr = array()) { |
| | 413 | if (is_array($arg)) { |
| | 414 | foreach($arg as $argument) { |
| | 415 | $arr = $this->getAddr_a($argument, $excl_arr, $arr); |
| | 416 | } |
| | 417 | } else { |
| | 418 | eval('$addr = $this->' . $arg . ';') ; |
| | 419 | if (is_array($addr)) { |
| | 420 | foreach ($addr as $next_addr) { |
| | 421 | if (is_object($next_addr)) { |
| | 422 | if (isset($next_addr->host) && ($next_addr->host != '')) { |
| | 423 | $email = $next_addr->mailbox . '@' . $next_addr->host; |
| | 424 | } else { |
| | 425 | $email = $next_addr->mailbox; |
| | 426 | } |
| | 427 | $email = strtolower($email); |
| | 428 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
| | 429 | $arr[$email] = $next_addr->personal; |
| | 430 | } |
| | 431 | } |
| | 432 | } |
| | 433 | } else { |
| | 434 | if (is_object($addr)) { |
| | 435 | $email = $addr->mailbox; |
| | 436 | $email .= (isset($addr->host) ? '@' . $addr->host : ''); |
| | 437 | $email = strtolower($email); |
| | 438 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
| | 439 | $arr[$email] = $addr->personal; |
| | 440 | } |
| | 441 | } |
| | 442 | } |
| | 443 | } |
| | 444 | return $arr; |
| | 445 | } |
| | 446 | |
| | 447 | function getContentType($type0, $type1) { |
| | 448 | $type0 = $this->content_type->type0; |
| | 449 | $type1 = $this->content_type->type1; |
| | 450 | return $this->content_type->properties; |
| | 451 | } |
| | 452 | } |
| | 453 | |
| | 454 | class msg_header { |
| | 455 | /** msg_header contains all variables available in a bodystructure **/ |
| | 456 | /** entity like described in rfc2060 **/ |
| | 457 | |
| | 458 | var $type0 = '', |
| | 459 | $type1 = '', |
| | 460 | $parameters = array(), |
| | 461 | $id = 0, |
| | 462 | $description = '', |
| | 463 | $encoding='', |
| | 464 | $size = 0, |
| | 465 | $md5='', |
| | 466 | $disposition = '', |
| | 467 | $language=''; |
| | 468 | |
| | 469 | /* |
| | 470 | * returns addres_list of supplied argument |
| | 471 | * arguments: array('to', 'from', ...) or just a string like 'to'. |
| | 472 | * result: string: address1, addres2, .... |
| | 473 | */ |
| | 474 | |
| | 475 | function setVar($var, $value) { |
| | 476 | $this->{$var} = $value; |
| | 477 | } |
| | 478 | |
| | 479 | function getParameter($p) { |
| | 480 | $value = strtolower($p); |
| | 481 | return (isset($this->parameters[$p]) ? $this->parameters[$p] : ''); |
| | 482 | } |
| | 483 | |
| | 484 | function setParameter($parameter, $value) { |
| | 485 | $this->parameters[strtolower($parameter)] = $value; |
| | 486 | } |
| | 487 | } |
| | 488 | |
| | 489 | |
| | 490 | |
| | 491 | class address_structure { |
| | 492 | var $personal = '', |
| | 493 | $adl = '', |
| | 494 | $mailbox = '', |
| | 495 | $host = '', |
| | 496 | $group = ''; |
| | 497 | |
| | 498 | function getAddress($full = true) { |
| | 499 | $result = ''; |
| | 500 | |
| | 501 | if (is_object($this)) { |
| | 502 | if (isset($this->host) && ($this->host != '')) { |
| | 503 | $email = $this->mailbox.'@'.$this->host; |
| | 504 | } else { |
| | 505 | $email = $this->mailbox; |
| | 506 | } |
| | 507 | if (trim($this->personal) != '') { |
| | 508 | if ($email) { |
| | 509 | $addr = '"' . $this->personal . '" <' .$email.'>'; |
| | 510 | } else { |
| | 511 | $addr = $this->personal; |
| | 512 | } |
| | 513 | $best_dpl = $this->personal; |
| | 514 | } else { |
| | 515 | $addr = $email; |
| | 516 | $best_dpl = $email; |
| | 517 | } |
| | 518 | $result = ($full ? $addr : $best_dpl); |
| | 519 | } |
| | 520 | return $result; |
| | 521 | } |
| | 522 | } |
| | 523 | |
| | 524 | class message { |
| | 525 | /** message is the object that contains messages. It is a recursive |
| | 526 | object in that through the $entities variable, it can contain |
| | 527 | more objects of type message. See documentation in mime.txt for |
| | 528 | a better description of how this works. |
| | 529 | **/ |
| | 530 | var $rfc822_header = '', |
| | 531 | $mime_header = '', |
| | 532 | $flags = '', |
| | 533 | $type0='', |
| | 534 | $type1='', |
| | 535 | $entities = array(), |
| | 536 | $parent_ent, $entity, |
| | 537 | $parent = '', $decoded_body='', |
| | 538 | $is_seen = 0, $is_answered = 0, $is_deleted = 0, $is_flagged = 0, |
| | 539 | $is_mdnsent = 0, |
| | 540 | $body_part = '', |
| | 541 | $offset = 0, /* for fetching body parts out of raw messages */ |
| | 542 | $length = 0, /* for fetching body parts out of raw messages */ |
| | 543 | $att_local_name = ''; /* location where the tempory attachment |
| | 544 | is stored. For future usage in smtp.php */ |
| | 545 | |
| | 546 | function setEnt($ent) { |
| | 547 | $this->entity_id= $ent; |
| | 548 | } |
| | 549 | |
| | 550 | function addEntity ($msg) { |
| | 551 | $msg->parent = &$this; |
| | 552 | $this->entities[] = $msg; |
| | 553 | } |
| | 554 | |
| | 555 | function getFilename() { |
| | 556 | $filename = ''; |
| | 557 | $filename = $this->header->getParameter('filename'); |
| | 558 | if (!$filename) { |
| | 559 | $filename = $this->header->getParameter('name'); |
| | 560 | } |
| | 561 | |
| | 562 | if (!$filename) { |
| | 563 | $filename = 'untitled-'.$this->entity_id; |
| | 564 | } |
| | 565 | return $filename; |
| | 566 | } |
| | 567 | |
| | 568 | |
| | 569 | function addRFC822Header($read) { |
| | 570 | $header = new rfc822_header(); |
| | 571 | $this->rfc822_header = $header->parseHeader($read); |
| | 572 | } |
| | 573 | |
| | 574 | function getEntity($ent) { |
| | 575 | $cur_ent = $this->entity_id; |
| | 576 | $msg = $this; |
| | 577 | if (($cur_ent == '') || ($cur_ent == '0')) { |
| | 578 | $cur_ent_a = array(); |
| | 579 | } else { |
| | 580 | $cur_ent_a = explode('.', $this->entity_id); |
| | 581 | } |
| | 582 | $ent_a = explode('.', $ent); |
| | 583 | |
| | 584 | for ($i = 0, $cnt = count($ent_a)-1; $i < $cnt; ++$i) { |
| | 585 | if (isset($cur_ent_a[$i]) && ($cur_ent_a[$i] != $ent_a[$i])) { |
| | 586 | $msg = $msg->parent; |
| | 587 | $cur_ent_a = explode('.', $msg->entity_id); |
| | 588 | --$i; |
| | 589 | } else if (!isset($cur_ent_a[$i])) { |
| | 590 | if (isset($msg->entities[($ent_a[$i]-1)])) { |
| | 591 | $msg = $msg->entities[($ent_a[$i]-1)]; |
| | 592 | } else { |
| | 593 | $msg = $msg->entities[0]; |
| | 594 | } |
| | 595 | } |
| | 596 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
| | 597 | /*this is a header for a message/rfc822 entity */ |
| | 598 | $msg = $msg->entities[0]; |
| | 599 | } |
| | 600 | } |
| | 601 | |
| | 602 | if (($msg->type0 == 'message') && ($msg->type1 == 'rfc822')) { |
| | 603 | /*this is a header for a message/rfc822 entity */ |
| | 604 | $msg = $msg->entities[0]; |
| | 605 | } |
| | 606 | |
| | 607 | if (isset($msg->entities[($ent_a[$cnt])-1])) { |
| | 608 | if (is_object($msg->entities[($ent_a[$cnt])-1])) { |
| | 609 | $msg = $msg->entities[($ent_a[$cnt]-1)]; |
| | 610 | } |
| | 611 | } |
| | 612 | |
| | 613 | return $msg; |
| | 614 | } |
| | 615 | |
| | 616 | function setBody($s) { |
| | 617 | $this->body_part = $s; |
| | 618 | } |
| | 619 | |
| | 620 | function clean_up() { |
| | 621 | $msg = $this; |
| | 622 | $msg->body_part = ''; |
| | 623 | |
| | 624 | foreach ($msg->entities as $m) { |
| | 625 | $m->clean_up(); |
| | 626 | } |
| | 627 | } |
| | 628 | |
| | 629 | function getMailbox() { |
| | 630 | $msg = $this; |
| | 631 | while (is_object($msg->parent)) { |
| | 632 | $msg = $msg->parent; |
| | 633 | } |
| | 634 | return $msg->mailbox; |
| | 635 | } |
| | 636 | |
| | 637 | function calcEntity($msg) { |
| | 638 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
| | 639 | $msg->entity_id = $this->entity_id .'.0'; /* header of message/rfc822 */ |
| | 640 | } else if (isset($this->entity_id) && ($this->entity_id != '')) { |
| | 641 | $ent_no = count($this->entities)+1; |
| | 642 | $par_ent = substr($this->entity_id, -2); |
| | 643 | if ($par_ent{0} == '.') { |
| | 644 | $par_ent = $par_ent{1}; |
| | 645 | } |
| | 646 | if ($par_ent == '0') { |
| | 647 | $ent_no = count($this->entities) + 1; |
| | 648 | if ($ent_no > 0) { |
| | 649 | $ent = substr($this->entity_id, 0, strrpos($this->entity_id, '.')); |
| | 650 | $ent = ($ent ? $ent . ".$ent_no" : $ent_no); |
| | 651 | $msg->entity_id = $ent; |
| | 652 | } else { |
| | 653 | $msg->entity_id = $ent_no; |
| | 654 | } |
| | 655 | } else { |
| | 656 | $ent = $this->entity_id . ".$ent_no"; |
| | 657 | $msg->entity_id = $ent; |
| | 658 | } |
| | 659 | } else { |
| | 660 | $msg->entity_id = '0'; |
| | 661 | } |
| | 662 | |
| | 663 | return $msg->entity_id; |
| | 664 | } |
| | 665 | |
| | 666 | |
| | 667 | /* |
| | 668 | * Bodystructure parser, a recursive function for generating the |
| | 669 | * entity-tree with all the mime-parts. |
| | 670 | * |
| | 671 | * It follows RFC2060 and stores all the described fields in the |
| | 672 | * message object. |
| | 673 | * |
| | 674 | * Question/Bugs: |
| | 675 | * |
| | 676 | * Ask for me (Marc Groot Koerkamp, stekkel@users.sourceforge.net) |
| | 677 | * |
| | 678 | */ |
| | 679 | function parseStructure($read, $i = 0) { |
| | 680 | $arg_no = 0; |
| | 681 | $arg_a = array(); |
| | 682 | for ($cnt = strlen($read); $i < $cnt; ++$i) { |
| | 683 | $char = strtoupper($read{$i}); |
| | 684 | switch ($char) { |
| | 685 | case '(': |
| | 686 | switch($arg_no) { |
| | 687 | case 0: |
| | 688 | if (!isset($msg)) { |
| | 689 | $msg = new message(); |
| | 690 | $hdr = new msg_header(); |
| | 691 | $hdr->type0 = 'text'; |
| | 692 | $hdr->type1 = 'plain'; |
| | 693 | $hdr->encoding = 'us-ascii'; |
| | 694 | $msg->entity_id = $this->calcEntity($msg); |
| | 695 | } else { |
| | 696 | $msg->header->type0 = 'multipart'; |
| | 697 | $msg->type0 = 'multipart'; |
| | 698 | while ($read{$i} == '(') { |
| | 699 | $res = $msg->parseStructure($read, $i); |
| | 700 | $i = $res[1]; |
| | 701 | $msg->addEntity($res[0]); |
| | 702 | } |
| | 703 | } |
| | 704 | break; |
| | 705 | case 1: |
| | 706 | /* multipart properties */ |
| | 707 | ++$i; |
| | 708 | $res = $this->parseProperties($read, $i); |
| | 709 | $arg_a[] = $res[0]; |
| | 710 | $i = $res[1]; |
| | 711 | ++$arg_no; |
| | 712 | break; |
| | 713 | case 2: |
| | 714 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| | 715 | ++$i; |
| | 716 | $res = $msg->parseDisposition($read, $i); |
| | 717 | } else { /* properties */ |
| | 718 | $res = $msg->parseProperties($read, $i); |
| | 719 | } |
| | 720 | $arg_a[] = $res[0]; |
| | 721 | $i = $res[1]; |
| | 722 | ++$arg_no; |
| | 723 | break; |
| | 724 | case 3: |
| | 725 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| | 726 | ++$i; |
| | 727 | $res= $msg->parseLanguage($read, $i); |
| | 728 | $arg_a[] = $res[0]; |
| | 729 | $i = $res[1]; |
| | 730 | } |
| | 731 | case 7: |
| | 732 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
| | 733 | $msg->header->type0 = $arg_a[0]; |
| | 734 | $msg->header->type1 = $arg_a[1]; |
| | 735 | $msg->type0 = $arg_a[0]; |
| | 736 | $msg->type1 = $arg_a[1]; |
| | 737 | $rfc822_hdr = new rfc822_header(); |
| | 738 | $res = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
| | 739 | $msg->rfc822_header = $res[0]; |
| | 740 | $i = $res[1] + 1; |
| | 741 | while (($i < $cnt) && ($read{$i} != '(')) { |
| | 742 | ++$i; |
| | 743 | } |
| | 744 | $res = $msg->parseStructure($read, $i); |
| | 745 | $i = $res[1]; |
| | 746 | $msg->addEntity($res[0]); |
| | 747 | } |
| | 748 | break; |
| | 749 | case 8: |
| | 750 | ++$i; |
| | 751 | $res = $msg->parseDisposition($read, $i); |
| | 752 | $arg_a[] = $res[0]; |
| | 753 | $i = $res[1]; |
| | 754 | ++$arg_no; |
| | 755 | break; |
| | 756 | case 9: |
| | 757 | ++$i; |
| | 758 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| | 759 | $res = $msg->parseDisposition($read, $i); |
| | 760 | } else { |
| | 761 | $res = $msg->parseLanguage($read, $i); |
| | 762 | } |
| | 763 | $arg_a[] = $res[0]; |
| | 764 | $i = $res[1]; |
| | 765 | ++$arg_no; |
| | 766 | break; |
| | 767 | case 10: |
| | 768 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| | 769 | ++$i; |
| | 770 | $res = $msg->parseLanguage($read, $i); |
| | 771 | $arg_a[] = $res[0]; |
| | 772 | $i = $res[1]; |
| | 773 | } else { |
| | 774 | $i = $msg->parseParenthesis($read, $i); |
| | 775 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
| | 776 | } |
| | 777 | ++$arg_no; |
| | 778 | break; |
| | 779 | default: |
| | 780 | /* unknown argument, skip this part */ |
| | 781 | $i = $msg->parseParenthesis($read, $i); |
| | 782 | $arg_a[] = ''; |
| | 783 | ++$arg_no; |
| | 784 | break; |
| | 785 | } /* switch */ |
| | 786 | break; |
| | 787 | case '"': |
| | 788 | /* inside an entity -> start processing */ |
| | 789 | $debug = substr($read, $i, 20); |
| | 790 | $res = $msg->parseQuote($read, $i); |
| | 791 | $arg_s = $res[0]; |
| | 792 | $i = $res[1]; |
| | 793 | ++$arg_no; |
| | 794 | if ($arg_no < 3) { |
| | 795 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
| | 796 | } |
| | 797 | $arg_a[] = $arg_s; |
| | 798 | break; |
| | 799 | case 'n': |
| | 800 | case 'N': |
| | 801 | /* probably NIL argument */ |
| | 802 | if (strtoupper(substr($read, $i, 4)) == 'NIL ') { |
| | 803 | $arg_a[] = ''; |
| | 804 | ++$arg_no; |
| | 805 | $i += 2; |
| | 806 | } |
| | 807 | break; |
| | 808 | case '{': |
| | 809 | /* process the literal value */ |
| | 810 | $res = $msg->parseLiteral($read, $i); |
| | 811 | $arg_s = $res[0]; |
| | 812 | $i = $res[1]; |
| | 813 | ++$arg_no; |
| | 814 | break; |
| | 815 | case is_numeric($read{$i}): |
| | 816 | /* process integers */ |
| | 817 | if ($read{$i} == ' ') { break; } |
| | 818 | $arg_s = $read{$i};; |
| | 819 | for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) { |
| | 820 | $arg_s .= $read{$i}; |
| | 821 | } |
| | 822 | ++$arg_no; |
| | 823 | $arg_a[] = $arg_s; |
| | 824 | break; |
| | 825 | case ')': |
| | 826 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
| | 827 | if (!$multipart) { |
| | 828 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
| | 829 | $hdr->type0 = $arg_a[0]; |
| | 830 | $hdr->type1 = $arg_a[1]; |
| | 831 | |
| | 832 | $msg->type0 = $arg_a[0]; |
| | 833 | $msg->type1 = $arg_a[1]; |
| | 834 | $arr = $arg_a[2]; |
| | 835 | if (is_array($arr)) { |
| | 836 | $hdr->parameters = $arg_a[2]; |
| | 837 | } |
| | 838 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
| | 839 | $hdr->description = $arg_a[4]; |
| | 840 | $hdr->encoding = strtolower($arg_a[5]); |
| | 841 | $hdr->entity_id = $msg->entity_id; |
| | 842 | $hdr->size = $arg_a[6]; |
| | 843 | if ($shifted_args) { |
| | 844 | $hdr->lines = $arg_a[7]; |
| | 845 | $s = 1; |
| | 846 | } else { |
| | 847 | $s = 0; |
| | 848 | } |
| | 849 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
| | 850 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
| | 851 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
| | 852 | $msg->header = $hdr; |
| | 853 | if ((strrchr($msg->entity_id, '.') == '.0') && ($msg->type0 !='multipart')) { |
| | 854 | $msg->entity_id = $this->entity_id . '.1'; |
| | 855 | } |
| | 856 | } else { |
| | 857 | $hdr->type0 = 'multipart'; |
| | 858 | $hdr->type1 = $arg_a[0]; |
| | 859 | $msg->type0 = 'multipart'; |
| | 860 | $msg->type1 = $arg_a[0]; |
| | 861 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
| | 862 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
| | 863 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
| | 864 | $msg->header = $hdr; |
| | 865 | } |
| | 866 | ++$i; |
| | 867 | return (array($msg, $i)); |
| | 868 | default: break; |
| | 869 | } /* switch */ |
| | 870 | |
| | 871 | } /* for */ |
| | 872 | } /* parsestructure */ |
| | 873 | |
| | 874 | function parseProperties($read, $i) { |
| | 875 | $properties = array(); |
| | 876 | $prop_name = ''; |
| | 877 | |
| | 878 | for (; $read{$i} != ')'; ++$i) { |
| | 879 | $arg_s = ''; |
| | 880 | if ($read{$i} == '"') { |
| | 881 | $res = $this->parseQuote($read, $i); |
| | 882 | $arg_s = $res[0]; |
| | 883 | $i = $res[1]; |
| | 884 | } else if ($read{$i} == '{') { |
| | 885 | $res = $this->parseLiteral($read, $i); |
| | 886 | $arg_s = $res[0]; |
| | 887 | $i = $res[1]; |
| | 888 | } |
| | 889 | |
| | 890 | if ($arg_s != '') { |
| | 891 | if ($prop_name == '') { |
| | 892 | $prop_name = strtolower($arg_s); |
| | 893 | $properties[$prop_name] = ''; |
| | 894 | } else if ($prop_name != '') { |
| | 895 | $properties[$prop_name] = $arg_s; |
| | 896 | $prop_name = ''; |
| | 897 | } |
| | 898 | } |
| | 899 | } |
| | 900 | return array($properties, $i); |
| | 901 | } |
| | 902 | |
| | 903 | function parseEnvelope($read, $i, $hdr) { |
| | 904 | $arg_no = 0; |
| | 905 | $arg_a = array(); |
| | 906 | |
| | 907 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
| | 908 | ++$i; |
| | 909 | $char = strtoupper($read{$i}); |
| | 910 | switch ($char) { |
| | 911 | case '"': |
| | 912 | $res = $this->parseQuote($read, $i); |
| | 913 | $arg_a[] = $res[0]; |
| | 914 | $i = $res[1]; |
| | 915 | ++$arg_no; |
| | 916 | break; |
| | 917 | case '{': |
| | 918 | $res = $this->parseLiteral($read, $i); |
| | 919 | $arg_a[] = $res[0]; |
| | 920 | $i = $res[1]; |
| | 921 | ++$arg_no; |
| | 922 | break; |
| | 923 | case 'N': |
| | 924 | /* probably NIL argument */ |
| | 925 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| | 926 | $arg_a[] = ''; |
| | 927 | ++$arg_no; |
| | 928 | $i += 2; |
| | 929 | } |
| | 930 | break; |
| | 931 | case '(': |
| | 932 | /* Address structure (with group support) |
| | 933 | * Note: Group support is useless on SMTP connections |
| | 934 | * because the protocol doesn't support it |
| | 935 | */ |
| | 936 | $addr_a = array(); |
| | 937 | $group = ''; |
| | 938 | $a=0; |
| | 939 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
| | 940 | if ($read{$i} == '(') { |
| | 941 | $res = $this->parseAddress($read, $i); |
| | 942 | $addr = $res[0]; |
| | 943 | $i = $res[1]; |
| | 944 | if (($addr->host == '') && ($addr->mailbox != '')) { |
| | 945 | /* start of group */ |
| | 946 | $group = $addr->mailbox; |
| | 947 | $group_addr = $addr; |
| | 948 | $j = $a; |
| | 949 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
| | 950 | /* end group */ |
| | 951 | if ($a == ($j+1)) { /* no group members */ |
| | 952 | $group_addr->group = $group; |
| | 953 | $group_addr->mailbox = ''; |
| | 954 | $group_addr->personal = "$group: Undisclosed recipients;"; |
| | 955 | $addr_a[] = $group_addr; |
| | 956 | $group =''; |
| | 957 | } |
| | 958 | } else { |
| | 959 | $addr->group = $group; |
| | 960 | $addr_a[] = $addr; |
| | 961 | } |
| | 962 | ++$a; |
| | 963 | } |
| | 964 | } |
| | 965 | $arg_a[] = $addr_a; |
| | 966 | break; |
| | 967 | default: break; |
| | 968 | } |
| | 969 | } |
| | 970 | |
| | 971 | if (count($arg_a) > 9) { |
| | 972 | /* argument 1: date */ |
| | 973 | $d = strtr($arg_a[0], array(' ' => ' ')); |
| | 974 | $d = explode(' ', $d); |
| | 975 | $hdr->date = getTimeStamp($d); |
| | 976 | |
| | 977 | /* argument 2: subject */ |
| | 978 | $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]); |
| | 979 | $hdr->subject = $arg_a[1]; |
| | 980 | |
| | 981 | $hdr->from = $arg_a[2][0]; /* argument 3: from */ |
| | 982 | $hdr->sender = $arg_a[3][0]; /* argument 4: sender */ |
| | 983 | $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */ |
| | 984 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
| | 985 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
| | 986 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
| | 987 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
| | 988 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
| | 989 | } |
| | 990 | return (array($hdr, $i)); |
| | 991 | } |
| | 992 | |
| | 993 | function parseLiteral($read, $i) { |
| | 994 | $lit_cnt = ''; |
| | 995 | for (++$i; $read{$i} != '}'; ++$i) { |
| | 996 | $lit_cnt .= $read{$i}; |
| | 997 | } |
| | 998 | |
| | 999 | $lit_cnt +=2; /* add the { and } characters */ |
| | 1000 | $s = ''; |
| | 1001 | for ($j = 0; $j < $lit_cnt; ++$j) { |
| | 1002 | $s .= $read{++$i}; |
| | 1003 | } |
| | 1004 | return (array($s, $i)); |
| | 1005 | } |
| | 1006 | |
| | 1007 | function parseQuote($read, $i) { |
| | 1008 | $s = ''; |
| | 1009 | for (++$i; $read{$i} != '"'; ++$i) { |
| | 1010 | if ($read{$i} == '\\') { |
| | 1011 | ++$i; |
| | 1012 | } |
| | 1013 | $s .= $read{$i}; |
| | 1014 | } |
| | 1015 | return (array($s, $i)); |
| | 1016 | } |
| | 1017 | |
| | 1018 | function parseAddress($read, $i) { |
| | 1019 | $arg_a = array(); |
| | 1020 | |
| | 1021 | for (; $read{$i} != ')'; ++$i) { |
| | 1022 | $char = strtoupper($read{$i}); |
| | 1023 | switch ($char) { |
| | 1024 | case '"': |
| | 1025 | case '{': |
| | 1026 | $res = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i)); |
| | 1027 | $arg_a[] = $res[0]; |
| | 1028 | $i = $res[1]; |
| | 1029 | break; |
| | 1030 | case 'n': |
| | 1031 | case 'N': |
| | 1032 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| | 1033 | $arg_a[] = ''; |
| | 1034 | $i += 2; |
| | 1035 | } |
| | 1036 | break; |
| | 1037 | default: break; |
| | 1038 | } |
| | 1039 | } |
| | 1040 | |
| | 1041 | if (count($arg_a) == 4) { |
| | 1042 | $adr = new address_structure(); |
| | 1043 | $adr->personal = $arg_a[0]; |
| | 1044 | $adr->adl = $arg_a[1]; |
| | 1045 | $adr->mailbox = $arg_a[2]; |
| | 1046 | $adr->host = $arg_a[3]; |
| | 1047 | } else { |
| | 1048 | $adr = ''; |
| | 1049 | } |
| | 1050 | return (array($adr, $i)); |
| | 1051 | } |
| | 1052 | |
| | 1053 | function parseDisposition($read, $i) { |
| | 1054 | $arg_a = array(); |
| | 1055 | |
| | 1056 | for (; $read{$i} != ')'; ++$i) { |
| | 1057 | switch ($read{$i}) { |
| | 1058 | case '"': |
| | 1059 | case '{': |
| | 1060 | case '(': |
| | 1061 | switch ($read{$i}) { |
| | 1062 | case '"': $res = $this->parseQuote($read, $i); break; |
| | 1063 | case '{': $res = $this->parseLiteral($read, $i); break; |
| | 1064 | case '(': $res = $this->parseProperties($read, $i); break; |
| | 1065 | } |
| | 1066 | $arg_a[] = $res[0]; |
| | 1067 | $i = $res[1]; |
| | 1068 | break; |
| | 1069 | default: break; |
| | 1070 | } |
| | 1071 | } |
| | 1072 | |
| | 1073 | if (isset($arg_a[0])) { |
| | 1074 | $disp = new disposition($arg_a[0]); |
| | 1075 | if (isset($arg_a[1])) { |
| | 1076 | $disp->properties = $arg_a[1]; |
| | 1077 | } |
| | 1078 | } |
| | 1079 | |
| | 1080 | return (is_object($disp) ? array($disp, $i) : array('', $i)); |
| | 1081 | } |
| | 1082 | |
| | 1083 | function parseLanguage($read, $i) { |
| | 1084 | /* no idea how to process this one without examples */ |
| | 1085 | $arg_a = array(); |
| | 1086 | |
| | 1087 | for (; $read{$i} != ')'; ++$i) { |
| | 1088 | switch ($read{$i}) { |
| | 1089 | case '"': |
| | 1090 | case '{': |
| | 1091 | case '(': |
| | 1092 | switch ($read{$i}) { |
| | 1093 | case '"': $res = $this->parseQuote($read, $i); break; |
| | 1094 | case '{': $res = $this->parseLiteral($read, $i); break; |
| | 1095 | case '(': $res = $this->parseProperties($read, $i); break; |
| | 1096 | } |
| | 1097 | $arg_a[] = $res[0]; |
| | 1098 | $i = $res[1]; |
| | 1099 | break; |
| | 1100 | default: break; |
| | 1101 | } |
| | 1102 | } |
| | 1103 | |
| | 1104 | if (isset($arg_a[0])) { |
| | 1105 | $lang = new language($arg_a[0]); |
| | 1106 | if (isset($arg_a[1])) { |
| | 1107 | $lang->properties = $arg_a[1]; |
| | 1108 | } |
| | 1109 | } |
| | 1110 | |
| | 1111 | return (is_object($lang) ? array($lang, $i) : array('', $i)); |
| | 1112 | } |
| | 1113 | |
| | 1114 | function parseParenthesis($read, $i) { |
| | 1115 | for (; $read{$i} != ')'; ++$i) { |
| | 1116 | switch ($read{$i}) { |
| | 1117 | case '"': |
| | 1118 | case '{': |
| | 1119 | case '(': |
| | 1120 | switch ($read{$i}) { |
| | 1121 | case '"': $res = $this->parseQuote($read, $i); break; |
| | 1122 | case '{': $res = $this->parseLiteral($read, $i); break; |
| | 1123 | case '(': $res = $this->parseProperties($read, $i); break; |
| | 1124 | } |
| | 1125 | $i = $res[1]; |
| | 1126 | break; |
| | 1127 | default: break; |
| | 1128 | } |
| | 1129 | } |
| | 1130 | return $i; |
| | 1131 | } |
| | 1132 | |
| | 1133 | /* Function to fill the message structure in case the */ |
| | 1134 | /* bodystructure is not available NOT FINISHED YET */ |
| | 1135 | function parseMessage($read, $type0, $type1) { |
| | 1136 | switch ($type0) { |
| | 1137 | case 'message': |
| | 1138 | $rfc822_header = true; |
| | 1139 | $mime_header = false; |
| | 1140 | break; |
| | 1141 | case 'multipart': |
| | 1142 | $rfc822_header = false; |
| | 1143 | $mime_header = true; |
| | 1144 | break; |
| | 1145 | default: return $read; |
| | 1146 | } |
| | 1147 | |
| | 1148 | for ($i = 1; $i < $count; ++$i) { |
| | 1149 | $line = trim($body[$i]); |
| | 1150 | if (($mime_header || $rfc822_header) && |
| | 1151 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
| | 1152 | $bnd = $reg[1]; |
| | 1153 | $bndreg = $bnd; |
| | 1154 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
| | 1155 | $bndreg = str_replace("?", "\\?", $bndreg); |
| | 1156 | $bndreg = str_replace("+", "\\+", $bndreg); |
| | 1157 | $bndreg = str_replace(".", "\\.", $bndreg); |
| | 1158 | $bndreg = str_replace("/", "\\/", $bndreg); |
| | 1159 | $bndreg = str_replace("-", "\\-", $bndreg); |
| | 1160 | $bndreg = str_replace("(", "\\(", $bndreg); |
| | 1161 | $bndreg = str_replace(")", "\\)", $bndreg); |
| | 1162 | } else if ($rfc822_header && $line == '') { |
| | 1163 | $rfc822_header = false; |
| | 1164 | if ($msg->type0 == 'multipart') { |
| | 1165 | $mime_header = true; |
| | 1166 | } |
| | 1167 | } |
| | 1168 | |
| | 1169 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
| | 1170 | $cnt = count($boundaries)-1; |
| | 1171 | $bnd = $boundaries[$cnt]['bnd']; |
| | 1172 | $bndreg = $boundaries[$cnt]['bndreg']; |
| | 1173 | |
| | 1174 | $regstr = '/^--'."($bndreg)".".*".'/'; |
| | 1175 | if (preg_match($regstr, $line, $reg)) { |
| | 1176 | $bndlen = strlen($reg[1]); |
| | 1177 | $bndend = false; |
| | 1178 | if (strlen($line) > ($bndlen + 3)) { |
| | 1179 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
| | 1180 | $bndend = true; |
| | 1181 | } |
| | 1182 | } |
| | 1183 | if ($bndend) { |
| | 1184 | /* calc offset and return $msg */ |
| | 1185 | //$entStr = CalcEntity("$entStr", -1); |
| | 1186 | array_pop($boundaries); |
| | 1187 | $mime_header = true; |
| | 1188 | $bnd_end = true; |
| | 1189 | } else { |
| | 1190 | $mime_header = true; |
| | 1191 | $bnd_end = false; |
| | 1192 | //$entStr = CalcEntity("$entStr", 0); |
| | 1193 | ++$content_indx; |
| | 1194 | } |
| | 1195 | } else { |
| | 1196 | if ($header) { } |
| | 1197 | } |
| | 1198 | } |
| | 1199 | } |
| | 1200 | } |
| | 1201 | |
| | 1202 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
| | 1203 | $found = false; |
| | 1204 | if ($this->type0 == 'multipart') { |
| | 1205 | if($this->type1 == 'alternative') { |
| | 1206 | $msg = $this->findAlternativeEntity($alt_order); |
| | 1207 | if (count($msg->entities) == 0) { |
| | 1208 | $entity[] = $msg->entity_id; |
| | 1209 | } else { |
| | 1210 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| | 1211 | } |
| | 1212 | $found = true; |
| | 1213 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
| | 1214 | $msgs = $this->findRelatedEntity(); |
| | 1215 | foreach ($msgs as $msg) { |
| | 1216 | if (count($msg->entities) == 0) { |
| | 1217 | $entity[] = $msg->entity_id; |
| | 1218 | } else { |
| | 1219 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| | 1220 | } |
| | 1221 | } |
| | 1222 | if (count($msgs) > 0) { |
| | 1223 | $found = true; |
| | 1224 | } |
| | 1225 | } else { /* Treat as multipart/mixed */ |
| | 1226 | foreach ($this->entities as $ent) { |
| | 1227 | if(strtolower($ent->header->disposition->name) != 'attachment' && |
| | 1228 | ($ent->type0 != 'message' && $ent->type1 != 'rfc822')) |
| | 1229 | { |
| | 1230 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| | 1231 | $found = true; |
| | 1232 | } |
| | 1233 | } |
| | 1234 | } |
| | 1235 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
| | 1236 | $type = $this->type0.'/'.$this->type1; |
| | 1237 | foreach ($alt_order as $alt) { |
| | 1238 | if( ($alt == $type) && isset($this->entity_id) ) { |
| | 1239 | if ( (count($this->entities) == 0) && |
| | 1240 | (strtolower($this->header->disposition->name) != 'attachment') ) |
| | 1241 | { |
| | 1242 | $entity[] = $this->entity_id; |
| | 1243 | $found = true; |
| | 1244 | } |
| | 1245 | } |
| | 1246 | } |
| | 1247 | } |
| | 1248 | if(!$found) { |
| | 1249 | foreach ($this->entities as $ent) { |
| | 1250 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| | 1251 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| | 1252 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| | 1253 | $found = true; |
| | 1254 | } |
| | 1255 | } |
| | 1256 | } |
| | 1257 | if(!$strict && !$found) { |
| | 1258 | if ($this->type0 == 'text' && |
| | 1259 | ($this->type1 == 'plain' || |
| | 1260 | $this->type1 == 'html' || |
| | 1261 | $this->type1 == 'message') && |
| | 1262 | isset($this->entity_id) ) |
| | 1263 | { |
| | 1264 | if (count($this->entities) == 0) { |
| | 1265 | if (strtolower($this->header->disposition->name) != 'attachment') { |
| | 1266 | $entity[] = $this->entity_id; |
| | 1267 | } |
| | 1268 | } |
| | 1269 | } |
| | 1270 | } |
| | 1271 | |
| | 1272 | return $entity; |
| | 1273 | } |
| | 1274 | |
| | 1275 | function findAlternativeEntity($alt_order) { |
| | 1276 | /* If we are dealing with alternative parts then we */ |
| | 1277 | /* choose the best viewable message supported by SM. */ |
| | 1278 | $best_view = 0; |
| | 1279 | $entity = array(); |
| | 1280 | foreach($this->entities as $ent) { |
| | 1281 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
| | 1282 | if ($type == 'multipart/related') { |
| | 1283 | $type = $ent->header->getParameter('type'); |
| | 1284 | } |
| | 1285 | for ($j = $best_view, $altcount = count($alt_order); $j < $altcount; ++$j) { |
| | 1286 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
| | 1287 | $best_view = $j; |
| | 1288 | $entity = $ent; |
| | 1289 | } |
| | 1290 | } |
| | 1291 | } |
| | 1292 | |
| | 1293 | return $entity; |
| | 1294 | } |
| | 1295 | |
| | 1296 | function findRelatedEntity() { |
| | 1297 | $msgs = array(); |
| | 1298 | $entcount = count($this->entities); |
| | 1299 | |
| | 1300 | for ($i = 0; $i < $entcount; ++$i) { |
| | 1301 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
| | 1302 | if ($this->header->getParameter('type') == $type) { |
| | 1303 | $msgs[] = $this->entities[$i]; |
| | 1304 | } |
| | 1305 | } |
| | 1306 | |
| | 1307 | return $msgs; |
| | 1308 | } |
| | 1309 | |
| | 1310 | function getAttachments($exclude_id=array(), $result = array()) { |
| | 1311 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
| | 1312 | $this = $this->entities[0]; |
| | 1313 | } |
| | 1314 | |
| | 1315 | if (count($this->entities)) { |
| | 1316 | foreach ($this->entities as $entity) { |
| | 1317 | $exclude = false; |
| | 1318 | |
| | 1319 | foreach ($exclude_id as $excl) { |
| | 1320 | if ($entity->entity_id === $excl) { |
| | 1321 | $exclude = true; |
| | 1322 | } |
| | 1323 | } |
| | 1324 | |
| | 1325 | if (!$exclude) { |
| | 1326 | if (($entity->type0 == 'multipart') && |
| | 1327 | ($entity->type1 != 'related')) { |
| | 1328 | $result = $entity->getAttachments($exclude_id, $result); |
| | 1329 | } else if ($entity->type0 != 'multipart') { |
| | 1330 | $result[] = $entity; |
| | 1331 | } |
| | 1332 | } |
| | 1333 | } |
| | 1334 | } else { |
| | 1335 | $exclude = false; |
| | 1336 | foreach ($exclude_id as $excl) { |
| | 1337 | $exclude = $exclude || ($this->entity_id == $excl); |
| | 1338 | } |
| | 1339 | |
| | 1340 | if (!$exclude) { |
| | 1341 | $result[] = $this; |
| | 1342 | } |
| | 1343 | } |
| | 1344 | |
| | 1345 | return $result; |
| | 1346 | } |
| | 1347 | } |
| | 1348 | |
| | 1349 | class smime_message { |
| | 1350 | |
| | 1351 | } |
| | 1352 | |
| | 1353 | class disposition { |
| | 1354 | function disposition($name) { |
| | 1355 | $this->name = $name; |
| | 1356 | $this->properties = array(); |
| | 1357 | } |
| | 1358 | |
| | 1359 | function getProperty($par) { |
| | 1360 | $value = strtolower($par); |
| | 1361 | if (isset($this->properties[$par])) { |
| | 1362 | return $this->properties[$par]; |
| | 1363 | } |
| | 1364 | return ''; |
| | 1365 | } |
| | 1366 | } |
| | 1367 | |
| | 1368 | class language { |
| | 1369 | function language($name) { |
| | 1370 | $this->name = $name; |
| | 1371 | $this->properties = array(); |
| | 1372 | } |
| | 1373 | } |
| | 1374 | |
| | 1375 | class content_type { |
| | 1376 | var $type0 = 'text', |
| | 1377 | $type1 = 'plain', |
| | 1378 | $properties = ''; |
| | 1379 | |
| | 1380 | function content_type($type) { |
| | 1381 | $pos = strpos($type, '/'); |
| | 1382 | if ($pos > 0) { |
| | 1383 | $this->type0 = substr($type, 0, $pos); |
| | 1384 | $this->type1 = substr($type, $pos+1); |
| | 1385 | } else { |
| | 1386 | $this->type0 = $type; |
| | 1387 | } |
| | 1388 | $this->properties = array(); |
| | 1389 | } |
| | 1390 | } |
| | 1391 | |
| | 1392 | ?> |
projects / squirrelmail.git / blame_incremental