| | 1 | <?php |
| | 2 | |
| | 3 | /** |
| | 4 | * Rfc822Header.class.php |
| | 5 | * |
| | 6 | * Copyright (c) 2003 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 Rfc822Header { |
| | 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 | $references = '', |
| | 30 | $mime = false, |
| | 31 | $content_type = '', |
| | 32 | $disposition = '', |
| | 33 | $xmailer = '', |
| | 34 | $priority = 3, |
| | 35 | $dnt = '', |
| | 36 | $mlist = array(), |
| | 37 | $more_headers = array(); /* only needed for constructing headers |
| | 38 | in smtp.php */ |
| | 39 | function parseHeader($hdr) { |
| | 40 | if (is_array($hdr)) { |
| | 41 | $hdr = implode('', $hdr); |
| | 42 | } |
| | 43 | |
| | 44 | /* First we unfold the header */ |
| | 45 | $hdr = trim(str_replace(array("\r\n\t", "\r\n "),array('', ''), $hdr)); |
| | 46 | |
| | 47 | /* Now we can make a new header array with */ |
| | 48 | /* each element representing a headerline */ |
| | 49 | $hdr = explode("\r\n" , $hdr); |
| | 50 | foreach ($hdr as $line) { |
| | 51 | $pos = strpos($line, ':'); |
| | 52 | if ($pos > 0) { |
| | 53 | $field = substr($line, 0, $pos); |
| | 54 | if (!strstr($field,' ')) { /* valid field */ |
| | 55 | $value = trim(substr($line, $pos+1)); |
| | 56 | $this->parseField($field, $value); |
| | 57 | } |
| | 58 | } |
| | 59 | } |
| | 60 | if ($this->content_type == '') { |
| | 61 | $this->parseContentType('text/plain; charset=us-ascii'); |
| | 62 | } |
| | 63 | } |
| | 64 | |
| | 65 | function stripComments($value) { |
| | 66 | $result = ''; |
| | 67 | $cnt = strlen($value); |
| | 68 | for ($i = 0; $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 | $value = $this->stripComments($value); |
| | 112 | $d = strtr($value, array(' ' => ' ')); |
| | 113 | $d = explode(' ', $d); |
| | 114 | $this->date = getTimeStamp($d); |
| | 115 | break; |
| | 116 | case 'subject': |
| | 117 | $this->subject = $value; |
| | 118 | break; |
| | 119 | case 'from': |
| | 120 | $this->from = $this->parseAddress($value,true); |
| | 121 | break; |
| | 122 | case 'sender': |
| | 123 | $this->sender = $this->parseAddress($value); |
| | 124 | break; |
| | 125 | case 'reply-to': |
| | 126 | $this->reply_to = $this->parseAddress($value, true); |
| | 127 | break; |
| | 128 | case 'to': |
| | 129 | $this->to = $this->parseAddress($value, true); |
| | 130 | break; |
| | 131 | case 'cc': |
| | 132 | $this->cc = $this->parseAddress($value, true); |
| | 133 | break; |
| | 134 | case 'bcc': |
| | 135 | $this->bcc = $this->parseAddress($value, true); |
| | 136 | break; |
| | 137 | case 'in-reply-to': |
| | 138 | $this->in_reply_to = $value; |
| | 139 | break; |
| | 140 | case 'message-id': |
| | 141 | $value = $this->stripComments($value); |
| | 142 | $this->message_id = $value; |
| | 143 | break; |
| | 144 | case 'references': |
| | 145 | $value = $this->stripComments($value); |
| | 146 | $this->references = $value; |
| | 147 | break; |
| | 148 | case 'x-confirm-reading-to': |
| | 149 | case 'return-receipt-to': |
| | 150 | case 'disposition-notification-to': |
| | 151 | $value = $this->stripComments($value); |
| | 152 | $this->dnt = $this->parseAddress($value); |
| | 153 | break; |
| | 154 | case 'mime-version': |
| | 155 | $value = $this->stripComments($value); |
| | 156 | $value = str_replace(' ', '', $value); |
| | 157 | $this->mime = ($value == '1.0' ? true : $this->mime); |
| | 158 | break; |
| | 159 | case 'content-type': |
| | 160 | $value = $this->stripComments($value); |
| | 161 | $this->parseContentType($value); |
| | 162 | break; |
| | 163 | case 'content-disposition': |
| | 164 | $value = $this->stripComments($value); |
| | 165 | $this->parseDisposition($value); |
| | 166 | break; |
| | 167 | case 'user-agent': |
| | 168 | case 'x-mailer': |
| | 169 | $this->xmailer = $value; |
| | 170 | break; |
| | 171 | case 'x-priority': |
| | 172 | $this->priority = $value; |
| | 173 | break; |
| | 174 | case 'list-post': |
| | 175 | $value = $this->stripComments($value); |
| | 176 | $this->mlist('post', $value); |
| | 177 | break; |
| | 178 | case 'list-reply': |
| | 179 | $value = $this->stripComments($value); |
| | 180 | $this->mlist('reply', $value); |
| | 181 | break; |
| | 182 | case 'list-subscribe': |
| | 183 | $value = $this->stripComments($value); |
| | 184 | $this->mlist('subscribe', $value); |
| | 185 | break; |
| | 186 | case 'list-unsubscribe': |
| | 187 | $value = $this->stripComments($value); |
| | 188 | $this->mlist('unsubscribe', $value); |
| | 189 | break; |
| | 190 | case 'list-archive': |
| | 191 | $value = $this->stripComments($value); |
| | 192 | $this->mlist('archive', $value); |
| | 193 | break; |
| | 194 | case 'list-owner': |
| | 195 | $value = $this->stripComments($value); |
| | 196 | $this->mlist('owner', $value); |
| | 197 | break; |
| | 198 | case 'list-help': |
| | 199 | $value = $this->stripComments($value); |
| | 200 | $this->mlist('help', $value); |
| | 201 | break; |
| | 202 | case 'list-id': |
| | 203 | $value = $this->stripComments($value); |
| | 204 | $this->mlist('id', $value); |
| | 205 | break; |
| | 206 | default: |
| | 207 | break; |
| | 208 | } |
| | 209 | } |
| | 210 | /* |
| | 211 | * parseAddress: recursive function for parsing address strings and store |
| | 212 | * them in an address stucture object. |
| | 213 | * input: $address = string |
| | 214 | * $ar = boolean (return array instead of only the |
| | 215 | * first element) |
| | 216 | * $addr_ar = array with parsed addresses |
| | 217 | * $group = string |
| | 218 | * $host = string (default domainname in case of |
| | 219 | * addresses without a domainname) |
| | 220 | * $lookup = callback function (for lookup address |
| | 221 | * strings which are probably nicks |
| | 222 | * (without @ ) ) |
| | 223 | * output: array with addressstructure objects or only one |
| | 224 | * address_structure object. |
| | 225 | */ |
| | 226 | function parseAddress |
| | 227 | ($address, $ar=false, $addr_ar = array(), $group = '', $host='',$lookup=false) { |
| | 228 | $pos = 0; |
| | 229 | $j = strlen($address); |
| | 230 | $name = ''; |
| | 231 | $addr = ''; |
| | 232 | $comment = ''; |
| | 233 | while ($pos < $j) { |
| | 234 | switch ($address{$pos}) { |
| | 235 | case '"': /* get the personal name */ |
| | 236 | if ($address{++$pos} == '"') { |
| | 237 | ++$pos; |
| | 238 | } else { |
| | 239 | while ($pos < $j && $address{$pos} != '"') { |
| | 240 | if ((substr($address, $pos, 2) == '\\"') || |
| | 241 | (substr($address, $pos, 2) == '\\\\')) { |
| | 242 | $name .= $address{$pos++}; |
| | 243 | } |
| | 244 | $name .= $address{$pos++}; |
| | 245 | } |
| | 246 | } |
| | 247 | ++$pos; |
| | 248 | break; |
| | 249 | case '<': /* get email address */ |
| | 250 | $addr_start = $pos++; |
| | 251 | while ($pos < $j && $address{$pos} != '>') { |
| | 252 | $addr .= $address{$pos++}; |
| | 253 | } |
| | 254 | ++$pos; |
| | 255 | break; |
| | 256 | case '(': /* rip off comments */ |
| | 257 | $addr_start = $pos; |
| | 258 | $pos = strpos($address,')'); |
| | 259 | if ($pos !== false) { |
| | 260 | $comment = substr($address, $addr_start+1,($pos-$addr_start-1)); |
| | 261 | $address_start = substr($address, 0, $addr_start); |
| | 262 | $address_end = substr($address, $pos + 1); |
| | 263 | $address = $address_start . $address_end; |
| | 264 | } |
| | 265 | $j = strlen($address); |
| | 266 | $pos = $addr_start + 1; |
| | 267 | break; |
| | 268 | case ',': /* we reached a delimiter */ |
| | 269 | if ($addr == '') { |
| | 270 | $addr = substr($address, 0, $pos); |
| | 271 | } else if ($name == '') { |
| | 272 | $name = trim(substr($address, 0, $addr_start)); |
| | 273 | } |
| | 274 | |
| | 275 | $at = strpos($addr, '@'); |
| | 276 | $addr_structure = new AddressStructure(); |
| | 277 | if (!$name && $comment) $name = $comment; |
| | 278 | $addr_structure->personal = $name; |
| | 279 | $addr_structure->group = $group; |
| | 280 | if ($at) { |
| | 281 | $addr_structure->mailbox = substr($addr, 0, $at); |
| | 282 | $addr_structure->host = substr($addr, $at+1); |
| | 283 | } else { |
| | 284 | /* if lookup function */ |
| | 285 | if ($lookup) { |
| | 286 | $aAddr = call_user_func_array($lookup,array($addr)); |
| | 287 | if (isset($aAddr['email'])) { |
| | 288 | $at = strpos($aAddr['email'], '@'); |
| | 289 | $addr_structure->mailbox = substr($aAddr['email'], 0, $at); |
| | 290 | $addr_structure->host = substr($aAddr['email'], $at+1); |
| | 291 | if (isset($aAddr['name'])) { |
| | 292 | $addr_structure->personal = $aAddr['name']; |
| | 293 | } |
| | 294 | } |
| | 295 | } |
| | 296 | if (!$addr_structure->mailbox) { |
| | 297 | $addr_structure->mailbox = trim($addr); |
| | 298 | if ($host) { |
| | 299 | $addr_structure->host = $host; |
| | 300 | } |
| | 301 | } |
| | 302 | } |
| | 303 | $address = trim(substr($address, $pos+1)); |
| | 304 | $j = strlen($address); |
| | 305 | $pos = 0; |
| | 306 | $name = ''; |
| | 307 | $addr = ''; |
| | 308 | $addr_ar[] = $addr_structure; |
| | 309 | break; |
| | 310 | case ':': /* process the group addresses */ |
| | 311 | /* group marker */ |
| | 312 | $group = substr($address, 0, $pos); |
| | 313 | $address = substr($address, $pos+1); |
| | 314 | $result = $this->parseAddress($address, $ar, $addr_ar, $group); |
| | 315 | $addr_ar = $result[0]; |
| | 316 | $pos = $result[1]; |
| | 317 | $address = substr($address, $pos++); |
| | 318 | $j = strlen($address); |
| | 319 | $group = ''; |
| | 320 | break; |
| | 321 | case ';': |
| | 322 | if ($group) { |
| | 323 | $address = substr($address, 0, $pos - 1); |
| | 324 | } |
| | 325 | ++$pos; |
| | 326 | break; |
| | 327 | default: |
| | 328 | ++$pos; |
| | 329 | break; |
| | 330 | } |
| | 331 | } |
| | 332 | if ($addr == '') { |
| | 333 | $addr = substr($address, 0, $pos); |
| | 334 | } else if ($name == '') { |
| | 335 | $name = trim(substr($address, 0, $addr_start)); |
| | 336 | } |
| | 337 | if (!$name && $comment) $name = $comment; |
| | 338 | $at = strpos($addr, '@'); |
| | 339 | $addr_structure = new AddressStructure(); |
| | 340 | $addr_structure->group = $group; |
| | 341 | if ($at) { |
| | 342 | $addr_structure->mailbox = trim(substr($addr, 0, $at)); |
| | 343 | $addr_structure->host = trim(substr($addr, $at+1)); |
| | 344 | } else { |
| | 345 | /* if lookup function */ |
| | 346 | if ($lookup) { |
| | 347 | $aAddr = call_user_func_array($lookup,array($addr)); |
| | 348 | if (isset($aAddr['email'])) { |
| | 349 | $at = strpos($aAddr['email'], '@'); |
| | 350 | $addr_structure->mailbox = substr($aAddr['email'], 0, $at); |
| | 351 | $addr_structure->host = substr($aAddr['email'], $at+1); |
| | 352 | if (isset($aAddr['name'])) { |
| | 353 | $addr_structure->personal = $aAddr['name']; |
| | 354 | } |
| | 355 | } |
| | 356 | } |
| | 357 | if (!$addr_structure->mailbox) { |
| | 358 | $addr_structure->mailbox = trim($addr); |
| | 359 | if ($host) { |
| | 360 | $addr_structure->host = $host; |
| | 361 | } |
| | 362 | } |
| | 363 | } |
| | 364 | if ($group && $addr == '') { /* no addresses found in group */ |
| | 365 | $name = "$group"; |
| | 366 | $addr_structure->personal = $name; |
| | 367 | $addr_ar[] = $addr_structure; |
| | 368 | return (array($addr_ar,$pos+1 )); |
| | 369 | } elseif ($group) { |
| | 370 | $addr_structure->personal = $name; |
| | 371 | $addr_ar[] = $addr_structure; |
| | 372 | return (array($addr_ar,$pos+1 )); |
| | 373 | } else { |
| | 374 | $addr_structure->personal = $name; |
| | 375 | if ($name || $addr) { |
| | 376 | $addr_ar[] = $addr_structure; |
| | 377 | } |
| | 378 | } |
| | 379 | if ($ar) { |
| | 380 | return ($addr_ar); |
| | 381 | } |
| | 382 | return ($addr_ar[0]); |
| | 383 | } |
| | 384 | |
| | 385 | function parseContentType($value) { |
| | 386 | $pos = strpos($value, ';'); |
| | 387 | $props = ''; |
| | 388 | if ($pos > 0) { |
| | 389 | $type = trim(substr($value, 0, $pos)); |
| | 390 | $props = trim(substr($type, $pos+1)); |
| | 391 | } else { |
| | 392 | $type = $value; |
| | 393 | } |
| | 394 | $content_type = new ContentType($type); |
| | 395 | if ($props) { |
| | 396 | $properties = $this->parseProperties($props); |
| | 397 | if (!isset($properties['charset'])) { |
| | 398 | $properties['charset'] = 'us-ascii'; |
| | 399 | } |
| | 400 | $content_type->properties = $this->parseProperties($props); |
| | 401 | } |
| | 402 | $this->content_type = $content_type; |
| | 403 | } |
| | 404 | |
| | 405 | function parseProperties($value) { |
| | 406 | $propArray = explode(';', $value); |
| | 407 | $propResultArray = array(); |
| | 408 | foreach ($propArray as $prop) { |
| | 409 | $prop = trim($prop); |
| | 410 | $pos = strpos($prop, '='); |
| | 411 | if ($pos > 0) { |
| | 412 | $key = trim(substr($prop, 0, $pos)); |
| | 413 | $val = trim(substr($prop, $pos+1)); |
| | 414 | if ($val{0} == '"') { |
| | 415 | $val = substr($val, 1, -1); |
| | 416 | } |
| | 417 | $propResultArray[$key] = $val; |
| | 418 | } |
| | 419 | } |
| | 420 | return $propResultArray; |
| | 421 | } |
| | 422 | |
| | 423 | function parseDisposition($value) { |
| | 424 | $pos = strpos($value, ';'); |
| | 425 | $props = ''; |
| | 426 | if ($pos > 0) { |
| | 427 | $name = trim(substr($value, 0, $pos)); |
| | 428 | $props = trim(substr($value, $pos+1)); |
| | 429 | } else { |
| | 430 | $name = $value; |
| | 431 | } |
| | 432 | $props_a = $this->parseProperties($props); |
| | 433 | $disp = new Disposition($name); |
| | 434 | $disp->properties = $props_a; |
| | 435 | $this->disposition = $disp; |
| | 436 | } |
| | 437 | |
| | 438 | function mlist($field, $value) { |
| | 439 | $res_a = array(); |
| | 440 | $value_a = explode(',', $value); |
| | 441 | foreach ($value_a as $val) { |
| | 442 | $val = trim($val); |
| | 443 | if ($val{0} == '<') { |
| | 444 | $val = substr($val, 1, -1); |
| | 445 | } |
| | 446 | if (substr($val, 0, 7) == 'mailto:') { |
| | 447 | $res_a['mailto'] = substr($val, 7); |
| | 448 | } else { |
| | 449 | $res_a['href'] = $val; |
| | 450 | } |
| | 451 | } |
| | 452 | $this->mlist[$field] = $res_a; |
| | 453 | } |
| | 454 | |
| | 455 | /* |
| | 456 | * function to get the addres strings out of the header. |
| | 457 | * Arguments: string or array of strings ! |
| | 458 | * example1: header->getAddr_s('to'). |
| | 459 | * example2: header->getAddr_s(array('to', 'cc', 'bcc')) |
| | 460 | */ |
| | 461 | function getAddr_s($arr, $separator = ',') { |
| | 462 | $s = ''; |
| | 463 | |
| | 464 | if (is_array($arr)) { |
| | 465 | foreach($arr as $arg) { |
| | 466 | if ($this->getAddr_s($arg)) { |
| | 467 | $s .= $separator . $result; |
| | 468 | } |
| | 469 | } |
| | 470 | $s = ($s ? substr($s, 2) : $s); |
| | 471 | } else { |
| | 472 | eval('$addr = $this->' . $arr . ';') ; |
| | 473 | if (is_array($addr)) { |
| | 474 | foreach ($addr as $addr_o) { |
| | 475 | if (is_object($addr_o)) { |
| | 476 | $s .= $addr_o->getAddress() . $separator; |
| | 477 | } |
| | 478 | } |
| | 479 | $s = substr($s, 0, -strlen($separator)); |
| | 480 | } else { |
| | 481 | if (is_object($addr)) { |
| | 482 | $s .= $addr->getAddress(); |
| | 483 | } |
| | 484 | } |
| | 485 | } |
| | 486 | return $s; |
| | 487 | } |
| | 488 | |
| | 489 | function getAddr_a($arg, $excl_arr = array(), $arr = array()) { |
| | 490 | if (is_array($arg)) { |
| | 491 | foreach($arg as $argument) { |
| | 492 | $arr = $this->getAddr_a($argument, $excl_arr, $arr); |
| | 493 | } |
| | 494 | } else { |
| | 495 | $addr = $this->{$arg}; |
| | 496 | if (is_array($addr)) { |
| | 497 | foreach ($addr as $next_addr) { |
| | 498 | if (is_object($next_addr)) { |
| | 499 | if (isset($next_addr->host) && ($next_addr->host != '')) { |
| | 500 | $email = $next_addr->mailbox . '@' . $next_addr->host; |
| | 501 | } else { |
| | 502 | $email = $next_addr->mailbox; |
| | 503 | } |
| | 504 | $email = strtolower($email); |
| | 505 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
| | 506 | $arr[$email] = $next_addr->personal; |
| | 507 | } |
| | 508 | } |
| | 509 | } |
| | 510 | } else { |
| | 511 | if (is_object($addr)) { |
| | 512 | $email = $addr->mailbox; |
| | 513 | $email .= (isset($addr->host) ? '@' . $addr->host : ''); |
| | 514 | $email = strtolower($email); |
| | 515 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
| | 516 | $arr[$email] = $addr->personal; |
| | 517 | } |
| | 518 | } |
| | 519 | } |
| | 520 | } |
| | 521 | return $arr; |
| | 522 | } |
| | 523 | |
| | 524 | function findAddress($address, $recurs = false) { |
| | 525 | $result = false; |
| | 526 | if (is_array($address)) { |
| | 527 | $i=0; |
| | 528 | foreach($address as $argument) { |
| | 529 | $match = $this->findAddress($argument, true); |
| | 530 | $last = end($match); |
| | 531 | if ($match[1]) { |
| | 532 | return $i; |
| | 533 | } else { |
| | 534 | if (count($match[0]) && !$result) { |
| | 535 | $result = $i; |
| | 536 | } |
| | 537 | } |
| | 538 | ++$i; |
| | 539 | } |
| | 540 | } else { |
| | 541 | if (!is_array($this->cc)) $this->cc = array(); |
| | 542 | $srch_addr = $this->parseAddress($address); |
| | 543 | $results = array(); |
| | 544 | foreach ($this->to as $to) { |
| | 545 | if ($to->host == $srch_addr->host) { |
| | 546 | if ($to->mailbox == $srch_addr->mailbox) { |
| | 547 | $results[] = $srch_addr; |
| | 548 | if ($to->personal == $srch_addr->personal) { |
| | 549 | if ($recurs) { |
| | 550 | return array($results, true); |
| | 551 | } else { |
| | 552 | return true; |
| | 553 | } |
| | 554 | } |
| | 555 | } |
| | 556 | } |
| | 557 | } |
| | 558 | foreach ($this->cc as $cc) { |
| | 559 | if ($cc->host == $srch_addr->host) { |
| | 560 | if ($cc->mailbox == $srch_addr->mailbox) { |
| | 561 | $results[] = $srch_addr; |
| | 562 | if ($cc->personal == $srch_addr->personal) { |
| | 563 | if ($recurs) { |
| | 564 | return array($results, true); |
| | 565 | } else { |
| | 566 | return true; |
| | 567 | } |
| | 568 | } |
| | 569 | } |
| | 570 | } |
| | 571 | } |
| | 572 | if ($recurs) { |
| | 573 | return array($results, false); |
| | 574 | } elseif (count($result)) { |
| | 575 | return true; |
| | 576 | } else { |
| | 577 | return false; |
| | 578 | } |
| | 579 | } |
| | 580 | //exit; |
| | 581 | return $result; |
| | 582 | } |
| | 583 | |
| | 584 | function getContentType($type0, $type1) { |
| | 585 | $type0 = $this->content_type->type0; |
| | 586 | $type1 = $this->content_type->type1; |
| | 587 | return $this->content_type->properties; |
| | 588 | } |
| | 589 | } |
| | 590 | |
| | 591 | ?> |
projects / squirrelmail.git / blame_incremental