| | 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('.', $ent); |
| | 73 | |
| | 74 | for ($i = 0,$entCount = count($ent_a) - 1; $i < $entCount; ++$i) { |
| | 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 = $msg->entities[0]; |
| | 95 | } |
| | 96 | |
| | 97 | if (isset($msg->entities[($ent_a[$entCount])-1])) { |
| | 98 | if (is_object($msg->entities[($ent_a[$entCount])-1])) { |
| | 99 | $msg = $msg->entities[($ent_a[$entCount]-1)]; |
| | 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; |
| | 197 | $arg_a[] = $this->parseProperties($read, $i); |
| | 198 | ++$arg_no; |
| | 199 | break; |
| | 200 | case 2: |
| | 201 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| | 202 | ++$i; |
| | 203 | $arg_a[] = $msg->parseDisposition($read, $i); |
| | 204 | } else { /* properties */ |
| | 205 | $arg_a[] = $msg->parseProperties($read, $i); |
| | 206 | } |
| | 207 | ++$arg_no; |
| | 208 | break; |
| | 209 | case 3: |
| | 210 | if (isset($msg->type0) && ($msg->type0 == 'multipart')) { |
| | 211 | ++$i; |
| | 212 | $arg_a[]= $msg->parseLanguage($read, $i); |
| | 213 | } |
| | 214 | case 7: |
| | 215 | if (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822')) { |
| | 216 | $msg->header->type0 = $arg_a[0]; |
| | 217 | $msg->header->type1 = $arg_a[1]; |
| | 218 | $msg->type0 = $arg_a[0]; |
| | 219 | $msg->type1 = $arg_a[1]; |
| | 220 | $rfc822_hdr = new Rfc822Header(); |
| | 221 | $msg->rfc822_header = $msg->parseEnvelope($read, $i, $rfc822_hdr); |
| | 222 | while (($i < $cnt) && ($read{$i} != '(')) { |
| | 223 | ++$i; |
| | 224 | } |
| | 225 | $res = $msg->parseStructure($read, $i); |
| | 226 | $i = $res[1]; |
| | 227 | $msg->addEntity($res[0]); |
| | 228 | } |
| | 229 | break; |
| | 230 | case 8: |
| | 231 | ++$i; |
| | 232 | $arg_a[] = $msg->parseDisposition($read, $i); |
| | 233 | ++$arg_no; |
| | 234 | break; |
| | 235 | case 9: |
| | 236 | ++$i; |
| | 237 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| | 238 | $arg_a[] = $msg->parseDisposition($read, $i); |
| | 239 | } else { |
| | 240 | $arg_a[] = $msg->parseLanguage($read, $i); |
| | 241 | } |
| | 242 | ++$arg_no; |
| | 243 | break; |
| | 244 | case 10: |
| | 245 | if (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))) { |
| | 246 | ++$i; |
| | 247 | $arg_a[] = $msg->parseLanguage($read, $i); |
| | 248 | } else { |
| | 249 | $i = $msg->parseParenthesis($read, $i); |
| | 250 | $arg_a[] = ''; /* not yet described in rfc2060 */ |
| | 251 | } |
| | 252 | ++$arg_no; |
| | 253 | break; |
| | 254 | default: |
| | 255 | /* unknown argument, skip this part */ |
| | 256 | $i = $msg->parseParenthesis($read, $i); |
| | 257 | $arg_a[] = ''; |
| | 258 | ++$arg_no; |
| | 259 | break; |
| | 260 | } /* switch */ |
| | 261 | break; |
| | 262 | case '"': |
| | 263 | /* inside an entity -> start processing */ |
| | 264 | $debug = substr($read, $i, 20); |
| | 265 | $arg_s = $msg->parseQuote($read, $i); |
| | 266 | ++$arg_no; |
| | 267 | if ($arg_no < 3) { |
| | 268 | $arg_s = strtolower($arg_s); /* type0 and type1 */ |
| | 269 | } |
| | 270 | $arg_a[] = $arg_s; |
| | 271 | break; |
| | 272 | case 'n': |
| | 273 | case 'N': |
| | 274 | /* probably NIL argument */ |
| | 275 | if (strtoupper(substr($read, $i, 4)) == 'NIL ') { |
| | 276 | $arg_a[] = ''; |
| | 277 | ++$arg_no; |
| | 278 | $i += 2; |
| | 279 | } |
| | 280 | break; |
| | 281 | case '{': |
| | 282 | /* process the literal value */ |
| | 283 | $arg_s = $msg->parseLiteral($read, $i); |
| | 284 | ++$arg_no; |
| | 285 | break; |
| | 286 | case is_numeric($read{$i}): |
| | 287 | /* process integers */ |
| | 288 | if ($read{$i} == ' ') { break; } |
| | 289 | $arg_s = $read{$i};; |
| | 290 | for (++$i; preg_match('/^[0-9]{1}$/', $read{$i}); ++$i) { |
| | 291 | $arg_s .= $read{$i}; |
| | 292 | } |
| | 293 | ++$arg_no; |
| | 294 | $arg_a[] = $arg_s; |
| | 295 | break; |
| | 296 | case ')': |
| | 297 | $multipart = (isset($msg->type0) && ($msg->type0 == 'multipart')); |
| | 298 | if (!$multipart) { |
| | 299 | $shifted_args = (($arg_a[0] == 'text') || (($arg_a[0] == 'message') && ($arg_a[1] == 'rfc822'))); |
| | 300 | $hdr->type0 = $arg_a[0]; |
| | 301 | $hdr->type1 = $arg_a[1]; |
| | 302 | |
| | 303 | $msg->type0 = $arg_a[0]; |
| | 304 | $msg->type1 = $arg_a[1]; |
| | 305 | $arr = $arg_a[2]; |
| | 306 | if (is_array($arr)) { |
| | 307 | $hdr->parameters = $arg_a[2]; |
| | 308 | } |
| | 309 | $hdr->id = str_replace('<', '', str_replace('>', '', $arg_a[3])); |
| | 310 | $hdr->description = $arg_a[4]; |
| | 311 | $hdr->encoding = strtolower($arg_a[5]); |
| | 312 | $hdr->entity_id = $msg->entity_id; |
| | 313 | $hdr->size = $arg_a[6]; |
| | 314 | if ($shifted_args) { |
| | 315 | $hdr->lines = $arg_a[7]; |
| | 316 | $s = 1; |
| | 317 | } else { |
| | 318 | $s = 0; |
| | 319 | } |
| | 320 | $hdr->md5 = (isset($arg_a[7+$s]) ? $arg_a[7+$s] : $hdr->md5); |
| | 321 | $hdr->disposition = (isset($arg_a[8+$s]) ? $arg_a[8+$s] : $hdr->disposition); |
| | 322 | $hdr->language = (isset($arg_a[9+$s]) ? $arg_a[9+$s] : $hdr->language); |
| | 323 | $msg->header = $hdr; |
| | 324 | if ((strrchr($msg->entity_id, '.') == '.0') && ($msg->type0 !='multipart')) { |
| | 325 | $msg->entity_id = $this->entity_id . '.1'; |
| | 326 | } |
| | 327 | } else { |
| | 328 | $hdr->type0 = 'multipart'; |
| | 329 | $hdr->type1 = $arg_a[0]; |
| | 330 | $msg->type0 = 'multipart'; |
| | 331 | $msg->type1 = $arg_a[0]; |
| | 332 | $hdr->parameters = (isset($arg_a[1]) ? $arg_a[1] : $hdr->parameters); |
| | 333 | $hdr->disposition = (isset($arg_a[2]) ? $arg_a[2] : $hdr->disposition); |
| | 334 | $hdr->language = (isset($arg_a[3]) ? $arg_a[3] : $hdr->language); |
| | 335 | $msg->header = $hdr; |
| | 336 | } |
| | 337 | ++$i; |
| | 338 | return (array($msg, $i)); |
| | 339 | default: break; |
| | 340 | } /* switch */ |
| | 341 | |
| | 342 | } /* for */ |
| | 343 | } /* parsestructure */ |
| | 344 | |
| | 345 | function parseProperties($read, &$i) { |
| | 346 | $properties = array(); |
| | 347 | $prop_name = ''; |
| | 348 | |
| | 349 | for (; $read{$i} != ')'; ++$i) { |
| | 350 | $arg_s = ''; |
| | 351 | if ($read{$i} == '"') { |
| | 352 | $arg_s = $this->parseQuote($read, $i); |
| | 353 | } else if ($read{$i} == '{') { |
| | 354 | $arg_s = $this->parseLiteral($read, $i); |
| | 355 | } |
| | 356 | |
| | 357 | if ($arg_s != '') { |
| | 358 | if ($prop_name == '') { |
| | 359 | $prop_name = strtolower($arg_s); |
| | 360 | $properties[$prop_name] = ''; |
| | 361 | } else if ($prop_name != '') { |
| | 362 | $properties[$prop_name] = $arg_s; |
| | 363 | $prop_name = ''; |
| | 364 | } |
| | 365 | } |
| | 366 | } |
| | 367 | return $properties; |
| | 368 | } |
| | 369 | |
| | 370 | function parseEnvelope($read, &$i, $hdr) { |
| | 371 | $arg_no = 0; |
| | 372 | $arg_a = array(); |
| | 373 | |
| | 374 | for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { |
| | 375 | ++$i; |
| | 376 | $char = strtoupper($read{$i}); |
| | 377 | switch ($char) { |
| | 378 | case '"': |
| | 379 | $arg_a[] = $this->parseQuote($read, $i); |
| | 380 | ++$arg_no; |
| | 381 | break; |
| | 382 | case '{': |
| | 383 | $arg_a[] = $this->parseLiteral($read, $i); |
| | 384 | ++$arg_no; |
| | 385 | break; |
| | 386 | case 'N': |
| | 387 | /* probably NIL argument */ |
| | 388 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| | 389 | $arg_a[] = ''; |
| | 390 | ++$arg_no; |
| | 391 | $i += 2; |
| | 392 | } |
| | 393 | break; |
| | 394 | case '(': |
| | 395 | /* Address structure (with group support) |
| | 396 | * Note: Group support is useless on SMTP connections |
| | 397 | * because the protocol doesn't support it |
| | 398 | */ |
| | 399 | $addr_a = array(); |
| | 400 | $group = ''; |
| | 401 | $a=0; |
| | 402 | for (; $i < $cnt && $read{$i} != ')'; ++$i) { |
| | 403 | if ($read{$i} == '(') { |
| | 404 | $addr = $this->parseAddress($read, $i); |
| | 405 | if (($addr->host == '') && ($addr->mailbox != '')) { |
| | 406 | /* start of group */ |
| | 407 | $group = $addr->mailbox; |
| | 408 | $group_addr = $addr; |
| | 409 | $j = $a; |
| | 410 | } else if ($group && ($addr->host == '') && ($addr->mailbox == '')) { |
| | 411 | /* end group */ |
| | 412 | if ($a == ($j+1)) { /* no group members */ |
| | 413 | $group_addr->group = $group; |
| | 414 | $group_addr->mailbox = ''; |
| | 415 | $group_addr->personal = "$group: Undisclosed recipients;"; |
| | 416 | $addr_a[] = $group_addr; |
| | 417 | $group =''; |
| | 418 | } |
| | 419 | } else { |
| | 420 | $addr->group = $group; |
| | 421 | $addr_a[] = $addr; |
| | 422 | } |
| | 423 | ++$a; |
| | 424 | } |
| | 425 | } |
| | 426 | $arg_a[] = $addr_a; |
| | 427 | break; |
| | 428 | default: break; |
| | 429 | } |
| | 430 | } |
| | 431 | |
| | 432 | if (count($arg_a) > 9) { |
| | 433 | /* argument 1: date */ |
| | 434 | $d = strtr($arg_a[0], array(' ' => ' ')); |
| | 435 | $d = explode(' ', $d); |
| | 436 | $hdr->date = getTimeStamp($d); |
| | 437 | |
| | 438 | /* argument 2: subject */ |
| | 439 | $arg_a[1] = (!trim($arg_a[1]) ? _("(no subject)") : $arg_a[1]); |
| | 440 | $hdr->subject = $arg_a[1]; |
| | 441 | |
| | 442 | $hdr->from = $arg_a[2][0]; /* argument 3: from */ |
| | 443 | $hdr->sender = $arg_a[3][0]; /* argument 4: sender */ |
| | 444 | $hdr->replyto = $arg_a[4][0]; /* argument 5: reply-to */ |
| | 445 | $hdr->to = $arg_a[5]; /* argument 6: to */ |
| | 446 | $hdr->cc = $arg_a[6]; /* argument 7: cc */ |
| | 447 | $hdr->bcc = $arg_a[7]; /* argument 8: bcc */ |
| | 448 | $hdr->inreplyto = $arg_a[8]; /* argument 9: in-reply-to */ |
| | 449 | $hdr->message_id = $arg_a[9]; /* argument 10: message-id */ |
| | 450 | } |
| | 451 | return $hdr; |
| | 452 | } |
| | 453 | |
| | 454 | function parseLiteral($read, &$i) { |
| | 455 | $lit_cnt = ''; |
| | 456 | for (++$i; $read{$i} != '}'; ++$i) { |
| | 457 | $lit_cnt .= $read{$i}; |
| | 458 | } |
| | 459 | |
| | 460 | $lit_cnt +=2; /* add the { and } characters */ |
| | 461 | $s = ''; |
| | 462 | for ($j = 0; $j < $lit_cnt; ++$j) { |
| | 463 | $s .= $read{++$i}; |
| | 464 | } |
| | 465 | return (array($s, $i)); |
| | 466 | } |
| | 467 | |
| | 468 | function parseQuote($read, &$i) { |
| | 469 | $s = ''; |
| | 470 | for (++$i; $read{$i} != '"'; ++$i) { |
| | 471 | if ($read{$i} == '\\') { |
| | 472 | ++$i; |
| | 473 | } |
| | 474 | $s .= $read{$i}; |
| | 475 | } |
| | 476 | return $s; |
| | 477 | } |
| | 478 | |
| | 479 | function parseAddress($read, &$i) { |
| | 480 | $arg_a = array(); |
| | 481 | |
| | 482 | for (; $read{$i} != ')'; ++$i) { |
| | 483 | $char = strtoupper($read{$i}); |
| | 484 | switch ($char) { |
| | 485 | case '"': |
| | 486 | case '{': |
| | 487 | $arg_a[] = ($char == '"' ? $this->parseQuote($read, $i) : $this->parseLiteral($read, $i)); |
| | 488 | break; |
| | 489 | case 'n': |
| | 490 | case 'N': |
| | 491 | if (strtoupper(substr($read, $i, 3)) == 'NIL') { |
| | 492 | $arg_a[] = ''; |
| | 493 | $i += 2; |
| | 494 | } |
| | 495 | break; |
| | 496 | default: break; |
| | 497 | } |
| | 498 | } |
| | 499 | |
| | 500 | if (count($arg_a) == 4) { |
| | 501 | $adr = new AddressStructure(); |
| | 502 | $adr->personal = $arg_a[0]; |
| | 503 | $adr->adl = $arg_a[1]; |
| | 504 | $adr->mailbox = $arg_a[2]; |
| | 505 | $adr->host = $arg_a[3]; |
| | 506 | } else { |
| | 507 | $adr = ''; |
| | 508 | } |
| | 509 | return $adr; |
| | 510 | } |
| | 511 | |
| | 512 | function parseDisposition($read, &$i) { |
| | 513 | $arg_a = array(); |
| | 514 | for (; $read{$i} != ')'; ++$i) { |
| | 515 | switch ($read{$i}) { |
| | 516 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| | 517 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| | 518 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| | 519 | default: break; |
| | 520 | } |
| | 521 | } |
| | 522 | |
| | 523 | if (isset($arg_a[0])) { |
| | 524 | $disp = new Disposition($arg_a[0]); |
| | 525 | if (isset($arg_a[1])) { |
| | 526 | $disp->properties = $arg_a[1]; |
| | 527 | } |
| | 528 | } |
| | 529 | |
| | 530 | return (is_object($disp) ? $disp : ''); |
| | 531 | } |
| | 532 | |
| | 533 | function parseLanguage($read, &$i) { |
| | 534 | /* no idea how to process this one without examples */ |
| | 535 | $arg_a = array(); |
| | 536 | |
| | 537 | for (; $read{$i} != ')'; ++$i) { |
| | 538 | switch ($read{$i}) { |
| | 539 | case '"': $arg_a[] = $this->parseQuote($read, $i); break; |
| | 540 | case '{': $arg_a[] = $this->parseLiteral($read, $i); break; |
| | 541 | case '(': $arg_a[] = $this->parseProperties($read, $i); break; |
| | 542 | default: break; |
| | 543 | } |
| | 544 | } |
| | 545 | |
| | 546 | if (isset($arg_a[0])) { |
| | 547 | $lang = new Language($arg_a[0]); |
| | 548 | if (isset($arg_a[1])) { |
| | 549 | $lang->properties = $arg_a[1]; |
| | 550 | } |
| | 551 | } |
| | 552 | |
| | 553 | return (is_object($lang) ? $lang : ''); |
| | 554 | } |
| | 555 | |
| | 556 | function parseParenthesis($read, $i) { |
| | 557 | for (; $read{$i} != ')'; ++$i) { |
| | 558 | switch ($read{$i}) { |
| | 559 | case '"': $this->parseQuote($read, $i); break; |
| | 560 | case '{': $this->parseLiteral($read, $i); break; |
| | 561 | case '(': $this->parseProperties($read, $i); break; |
| | 562 | default: break; |
| | 563 | } |
| | 564 | } |
| | 565 | return $i; |
| | 566 | } |
| | 567 | |
| | 568 | /* Function to fill the message structure in case the */ |
| | 569 | /* bodystructure is not available NOT FINISHED YET */ |
| | 570 | function parseMessage($read, $type0, $type1) { |
| | 571 | switch ($type0) { |
| | 572 | case 'message': |
| | 573 | $rfc822_header = true; |
| | 574 | $mime_header = false; |
| | 575 | break; |
| | 576 | case 'multipart': |
| | 577 | $rfc822_header = false; |
| | 578 | $mime_header = true; |
| | 579 | break; |
| | 580 | default: return $read; |
| | 581 | } |
| | 582 | |
| | 583 | for ($i = 1; $i < $count; ++$i) { |
| | 584 | $line = trim($body[$i]); |
| | 585 | if (($mime_header || $rfc822_header) && |
| | 586 | (preg_match("/^.*boundary=\"?(.+(?=\")|.+).*/i", $line, $reg))) { |
| | 587 | $bnd = $reg[1]; |
| | 588 | $bndreg = $bnd; |
| | 589 | $bndreg = str_replace("\\", "\\\\", $bndreg); |
| | 590 | $bndreg = str_replace("?", "\\?", $bndreg); |
| | 591 | $bndreg = str_replace("+", "\\+", $bndreg); |
| | 592 | $bndreg = str_replace(".", "\\.", $bndreg); |
| | 593 | $bndreg = str_replace("/", "\\/", $bndreg); |
| | 594 | $bndreg = str_replace("-", "\\-", $bndreg); |
| | 595 | $bndreg = str_replace("(", "\\(", $bndreg); |
| | 596 | $bndreg = str_replace(")", "\\)", $bndreg); |
| | 597 | } else if ($rfc822_header && $line == '') { |
| | 598 | $rfc822_header = false; |
| | 599 | if ($msg->type0 == 'multipart') { |
| | 600 | $mime_header = true; |
| | 601 | } |
| | 602 | } |
| | 603 | |
| | 604 | if ((($line{0} == '-') || $rfc822_header) && isset($boundaries[0])) { |
| | 605 | $cnt = count($boundaries)-1; |
| | 606 | $bnd = $boundaries[$cnt]['bnd']; |
| | 607 | $bndreg = $boundaries[$cnt]['bndreg']; |
| | 608 | |
| | 609 | $regstr = '/^--'."($bndreg)".".*".'/'; |
| | 610 | if (preg_match($regstr, $line, $reg)) { |
| | 611 | $bndlen = strlen($reg[1]); |
| | 612 | $bndend = false; |
| | 613 | if (strlen($line) > ($bndlen + 3)) { |
| | 614 | if (($line{$bndlen+2} == '-') && ($line{$bndlen+3} == '-')) { |
| | 615 | $bndend = true; |
| | 616 | } |
| | 617 | } |
| | 618 | if ($bndend) { |
| | 619 | /* calc offset and return $msg */ |
| | 620 | //$entStr = CalcEntity("$entStr", -1); |
| | 621 | array_pop($boundaries); |
| | 622 | $mime_header = true; |
| | 623 | $bnd_end = true; |
| | 624 | } else { |
| | 625 | $mime_header = true; |
| | 626 | $bnd_end = false; |
| | 627 | //$entStr = CalcEntity("$entStr", 0); |
| | 628 | ++$content_indx; |
| | 629 | } |
| | 630 | } else { |
| | 631 | if ($header) { } |
| | 632 | } |
| | 633 | } |
| | 634 | } |
| | 635 | } |
| | 636 | |
| | 637 | function findDisplayEntity($entity = array(), $alt_order = array('text/plain', 'text/html'), $strict=false) { |
| | 638 | $found = false; |
| | 639 | if ($this->type0 == 'multipart') { |
| | 640 | if($this->type1 == 'alternative') { |
| | 641 | $msg = $this->findAlternativeEntity($alt_order); |
| | 642 | if (count($msg->entities) == 0) { |
| | 643 | $entity[] = $msg->entity_id; |
| | 644 | } else { |
| | 645 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| | 646 | } |
| | 647 | $found = true; |
| | 648 | } else if ($this->type1 == 'related') { /* RFC 2387 */ |
| | 649 | $msgs = $this->findRelatedEntity(); |
| | 650 | foreach ($msgs as $msg) { |
| | 651 | if (count($msg->entities) == 0) { |
| | 652 | $entity[] = $msg->entity_id; |
| | 653 | } else { |
| | 654 | $entity = $msg->findDisplayEntity($entity, $alt_order, $strict); |
| | 655 | } |
| | 656 | } |
| | 657 | if (count($msgs) > 0) { |
| | 658 | $found = true; |
| | 659 | } |
| | 660 | } else { /* Treat as multipart/mixed */ |
| | 661 | foreach ($this->entities as $ent) { |
| | 662 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| | 663 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| | 664 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| | 665 | $found = true; |
| | 666 | } |
| | 667 | } |
| | 668 | } |
| | 669 | } else { /* If not multipart, then just compare with each entry from $alt_order */ |
| | 670 | $type = $this->type0.'/'.$this->type1; |
| | 671 | foreach ($alt_order as $alt) { |
| | 672 | if( ($alt == $type) && isset($this->entity_id) ) { |
| | 673 | if ((count($this->entities) == 0) && |
| | 674 | (strtolower($this->header->disposition->name) != 'attachment')) { |
| | 675 | $entity[] = $this->entity_id; |
| | 676 | $found = true; |
| | 677 | } |
| | 678 | } |
| | 679 | } |
| | 680 | } |
| | 681 | if(!$found) { |
| | 682 | foreach ($this->entities as $ent) { |
| | 683 | if((strtolower($ent->header->disposition->name) != 'attachment') && |
| | 684 | (($ent->type0 != 'message') && ($ent->type1 != 'rfc822'))) { |
| | 685 | $entity = $ent->findDisplayEntity($entity, $alt_order, $strict); |
| | 686 | $found = true; |
| | 687 | } |
| | 688 | } |
| | 689 | } |
| | 690 | if(!$strict && !$found) { |
| | 691 | if (($this->type0 == 'text') && |
| | 692 | in_array($this->type1, array('plain', 'html', 'message')) && |
| | 693 | isset($this->entity_id)) { |
| | 694 | if (count($this->entities) == 0) { |
| | 695 | if (strtolower($this->header->disposition->name) != 'attachment') { |
| | 696 | $entity[] = $this->entity_id; |
| | 697 | } |
| | 698 | } |
| | 699 | } |
| | 700 | } |
| | 701 | |
| | 702 | return $entity; |
| | 703 | } |
| | 704 | |
| | 705 | function findAlternativeEntity($alt_order) { |
| | 706 | /* If we are dealing with alternative parts then we */ |
| | 707 | /* choose the best viewable message supported by SM. */ |
| | 708 | $best_view = 0; |
| | 709 | $entity = array(); |
| | 710 | foreach($this->entities as $ent) { |
| | 711 | $type = $ent->header->type0 . '/' . $ent->header->type1; |
| | 712 | if ($type == 'multipart/related') { |
| | 713 | $type = $ent->header->getParameter('type'); |
| | 714 | } |
| | 715 | $altCount = count($alt_order); |
| | 716 | for ($j = $best_view; $j < $altCount; ++$j) { |
| | 717 | if (($alt_order[$j] == $type) && ($j >= $best_view)) { |
| | 718 | $best_view = $j; |
| | 719 | $entity = $ent; |
| | 720 | } |
| | 721 | } |
| | 722 | } |
| | 723 | |
| | 724 | return $entity; |
| | 725 | } |
| | 726 | |
| | 727 | function findRelatedEntity() { |
| | 728 | $msgs = array(); |
| | 729 | |
| | 730 | $entCount = count($this->entities); |
| | 731 | for ($i = 0; $i < $entCount; ++$i) { |
| | 732 | $type = $this->entities[$i]->header->type0.'/'.$this->entities[$i]->header->type1; |
| | 733 | if ($this->header->getParameter('type') == $type) { |
| | 734 | $msgs[] = $this->entities[$i]; |
| | 735 | } |
| | 736 | } |
| | 737 | |
| | 738 | return $msgs; |
| | 739 | } |
| | 740 | |
| | 741 | function getAttachments($exclude_id=array(), $result = array()) { |
| | 742 | if (($this->type0 == 'message') && ($this->type1 == 'rfc822')) { |
| | 743 | $this = $this->entities[0]; |
| | 744 | } |
| | 745 | |
| | 746 | if (count($this->entities)) { |
| | 747 | foreach ($this->entities as $entity) { |
| | 748 | $exclude = false; |
| | 749 | |
| | 750 | foreach ($exclude_id as $excl) { |
| | 751 | if ($entity->entity_id === $excl) { |
| | 752 | $exclude = true; |
| | 753 | } |
| | 754 | } |
| | 755 | |
| | 756 | if (!$exclude) { |
| | 757 | if (($entity->type0 == 'multipart') && |
| | 758 | ($entity->type1 != 'related')) { |
| | 759 | $result = $entity->getAttachments($exclude_id, $result); |
| | 760 | } else if ($entity->type0 != 'multipart') { |
| | 761 | $result[] = $entity; |
| | 762 | } |
| | 763 | } |
| | 764 | } |
| | 765 | } else { |
| | 766 | $exclude = false; |
| | 767 | foreach ($exclude_id as $excl) { |
| | 768 | $exclude = $exclude || ($this->entity_id == $excl); |
| | 769 | } |
| | 770 | |
| | 771 | if (!$exclude) { |
| | 772 | $result[] = $this; |
| | 773 | } |
| | 774 | } |
| | 775 | |
| | 776 | return $result; |
| | 777 | } |
| | 778 | } |
| | 779 | |
| | 780 | ?> |
projects / squirrelmail.git / blame_incremental