functions/imap_messages.php

   1 <?php
   2
   3 /**
   4  * imap_messages.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This implements functions that manipulate messages
  10  *
  11  * $Id$
  12  */
  13
  14 /* Copies specified messages to specified folder */
  15 function sqimap_messages_copy ($imap_stream, $start, $end, $mailbox) {
  16     $read = sqimap_run_command ($imap_stream, "COPY $start:$end \"$mailbox\"", true, $response, $message);
  17 }
  18
  19 /* Deletes specified messages and moves them to trash if possible */
  20 function sqimap_messages_delete ($imap_stream, $start, $end, $mailbox) {
  21     global $move_to_trash, $trash_folder, $auto_expunge;
  22
  23     if (($move_to_trash == true) && (sqimap_mailbox_exists($imap_stream, $trash_folder) && ($mailbox != $trash_folder))) {
  24         sqimap_messages_copy ($imap_stream, $start, $end, $trash_folder);
  25     }
  26     sqimap_messages_flag ($imap_stream, $start, $end, "Deleted");
  27 }
  28
  29 /* Sets the specified messages with specified flag */
  30 function sqimap_messages_flag ($imap_stream, $start, $end, $flag) {
  31     $read = sqimap_run_command ($imap_stream, "STORE $start:$end +FLAGS (\\$flag)", true, $response, $message);
  32 }
  33
  34 /* Remove specified flag from specified messages */
  35 function sqimap_messages_remove_flag ($imap_stream, $start, $end, $flag) {
  36     $read = sqimap_run_command ($imap_stream, "STORE $start:$end -FLAGS (\\$flag)", true, $response, $message);
  37 }
  38
  39 /* Returns some general header information -- FROM, DATE, and SUBJECT */
  40 class small_header {
  41     var $from = '', $subject = '', $date = '', $to = '',
  42         $priority = 0, $message_id = 0, $cc = '';
  43 }
  44
  45 function sqimap_get_small_header ($imap_stream, $id, $sent) {
  46     $res = sqimap_get_small_header_list($imap_stream, array($id), $sent);
  47     return $res[0];
  48 }
  49
  50 /*
  51  * Sort the message list and crunch to be as small as possible
  52  * (overflow could happen, so make it small if possible)
  53  */
  54 function sqimap_message_list_squisher($messages_array) {
  55     if( !is_array( $messages_array ) ) {
  56         return;
  57     }
  58     sort($messages_array, SORT_NUMERIC);
  59     $msgs_str = '';
  60     while ($messages_array) {
  61         $start = array_shift($messages_array);
  62         $end = $start;
  63         while (isset($messages_array[0]) && $messages_array[0] == $end + 1) {
  64             $end = array_shift($messages_array);
  65         }
  66         if ($msgs_str != '') {
  67             $msgs_str .= ',';
  68         }
  69         $msgs_str .= $start;
  70         if ($start != $end) {
  71             $msgs_str .= ':' . $end;
  72         }
  73     }
  74
  75     return $msgs_str;
  76 }
  77
  78 /* returns the references header lines */
  79 function get_reference_header ($imap_stream, $message) {
  80     $responses = array ();
  81     $sid = sqimap_session_id();
  82         $results = array();
  83         $references = "";
  84     $query = "$sid FETCH $message BODY[HEADER.FIELDS (References)]\r\n";
  85     fputs ($imap_stream, $query);
  86         $responses = sqimap_read_data_list($imap_stream, $sid, true, $responses, $message);
  87     if (!eregi("^\\* ([0-9]+) FETCH", $responses[0][0], $regs)) {
  88             $responses = array ();
  89         }
  90         return $responses;
  91 }
  92
  93
  94 /* get sort order from server and
  95  * return it as the $id array for
  96  * mailbox_display
  97  */
  98
  99 function sqimap_get_sort_order ($imap_stream, $sort) {
 100     global  $default_charset, $thread_sort_messages,
 101             $internal_date_sort, $server_sort_array,
 102             $sent_folder, $mailbox;
 103
 104     if (session_is_registered('server_sort_array')) {
 105         session_unregister('server_sort_array');
 106     }
 107     $sid = sqimap_session_id();
 108     $sort_on = array();
 109     $reverse = 0;
 110     $server_sort_array = array();
 111     $sort_test = array();
 112     $sort_query = '';
 113     $sort_on = array (0=> 'DATE',
 114                       1=> 'DATE',
 115                       2=> 'FROM',
 116                       3=> 'FROM',
 117                       4=> 'SUBJECT',
 118                       5=> 'SUBJECT',
 119                       6=> 'DATE');
 120     if ($internal_date_sort == true) {
 121         $sort_on[0] = 'ARRIVAL';
 122         $sort_on[1] = 'ARRIVAL';
 123     }
 124     if ($sent_folder == $mailbox) {
 125         $sort_on[2] = 'TO';
 126         $sort_on[3] = 'TO';
 127     }
 128     if (!empty($sort_on[$sort])) {
 129         $sort_query = "$sid SORT ($sort_on[$sort]) ".strtoupper($default_charset)." ALL\r\n";
 130         fputs($imap_stream, $sort_query);
 131         $sort_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 132     }
 133     if (isset($sort_test[0])) {
 134         if (preg_match("/^\* SORT (.+)$/", $sort_test[0], $regs)) {
 135             $server_sort_array = preg_split("/ /", trim($regs[1]));
 136         }
 137     }
 138     if ($sort == 0 || $sort == 2 || $sort == 4) {
 139        $server_sort_array = array_reverse($server_sort_array);
 140     }
 141     if (!preg_match("/OK/", $response)) {
 142            $server_sort_array = 'no';
 143         }
 144     session_register('server_sort_array');
 145     return $server_sort_array;
 146 }
 147
 148 /* returns an indent array for printMessageinfo()
 149    this represents the amount of indent needed (value)
 150    for this message number (key)
 151 */
 152
 153 function get_parent_level ($imap_stream) {
 154     global $sort_by_ref, $default_charset, $thread_new;
 155         $parent = "";
 156         $child = "";
 157         $cutoff = 0;
 158
 159     /* loop through the threads and take unwanted characters out
 160        of the thread string then chop it up
 161      */
 162     for ($i=0;$i<count($thread_new);$i++) {
 163         $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
 164         $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
 165         $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
 166     }
 167     $indent_array = array();
 168         if (!$thread_new) {
 169                 $thread_new = array();
 170         }
 171     /* looping through the parts of one message thread */
 172
 173     for ($i=0;$i<count($thread_new);$i++) {
 174     /* first grab the parent, it does not indent */
 175
 176         if (isset($thread_new[$i][0])) {
 177             if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
 178                 $parent = $regs[1];
 179             }
 180         }
 181         $indent_array[$parent] = 0;
 182
 183     /* now the children, checking each thread portion for
 184        ),(, and space, adjusting the level and space values
 185        to get the indent level
 186     */
 187         $level = 0;
 188         $spaces = 0;
 189         $indent = 0;
 190         $fake = FALSE;
 191         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 192             $chars = count_chars($thread_new[$i][$k], 1);
 193             if (isset($chars['40'])) {       /* testing for ( */
 194                 $level = $level + $chars['40'];
 195             }
 196             if (isset($chars['41'])) {      /* testing for ) */
 197                 $level = $level - $chars['41'];
 198                 $spaces = 0;
 199                 /* if we were faking lets stop, this portion
 200                    of the thread is over
 201                 */
 202                 if ($level == $cutoff) {
 203                     $fake = FALSE;
 204                 }
 205             }
 206             if (isset($chars['32'])) {      /* testing for space */
 207                 $spaces = $spaces + $chars['32'];
 208             }
 209             $indent = $level + $spaces;
 210             /* must have run into a message that broke the thread
 211                so we are adjusting for that portion
 212             */
 213             if ($fake == TRUE) {
 214                 $indent = $indent +1;
 215             }
 216             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 217                 $child = $regs[1];
 218             }
 219             /* the thread must be broken if $indent == 0
 220                so indent the message once and start faking it
 221             */
 222             if ($indent == 0) {
 223                 $indent = 1;
 224                 $fake = TRUE;
 225                 $cutoff = $level;
 226             }
 227             /* dont need abs but if indent was negative
 228                errors would occur
 229             */
 230             $indent_array[$child] = abs($indent);
 231         }
 232     }
 233     return $indent_array;
 234 }
 235
 236
 237 /* returns an array with each element as a string
 238    representing one message thread as returned by
 239    the IMAP server
 240 */
 241
 242 function get_thread_sort ($imap_stream) {
 243     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array;
 244     if (session_is_registered('thread_new')) {
 245         session_unregister('thread_new');
 246     }
 247     if (session_is_registered('server_sort_array')) {
 248         session_unregister('server_srot_array');
 249     }
 250     $sid = sqimap_session_id();
 251     $thread_temp = array ();
 252     if ($sort_by_ref == 1) {
 253         $sort_type = 'REFERENCES';
 254     }
 255     else {
 256         $sort_type = 'ORDEREDSUBJECT';
 257     }
 258     $thread_query = "$sid THREAD $sort_type ".strtoupper($default_charset)." ALL\r\n";
 259     fputs($imap_stream, $thread_query);
 260     $thread_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 261     if (isset($thread_test[0])) {
 262         if (preg_match("/^\* THREAD (.+)$/", $thread_test[0], $regs)) {
 263             $thread_list = trim($regs[1]);
 264         }
 265     }
 266     else {
 267        $thread_list = "";
 268     }
 269     if (!preg_match("/OK/", $response)) {
 270            $server_sort_array = 'no';
 271            return $server_sort_array;
 272         }
 273     $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 274     $char_count = count($thread_temp);
 275     $counter = 0;
 276     $thread_new = array();
 277     $k = 0;
 278     $thread_new[0] = "";
 279     for ($i=0;$i<$char_count;$i++) {
 280             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 281                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 282             }
 283             elseif ($thread_temp[$i] == '(') {
 284                     $thread_new[$k] .= $thread_temp[$i];
 285                     $counter++;
 286             }
 287             elseif ($thread_temp[$i] == ')') {
 288                     if ($counter > 1) {
 289                             $thread_new[$k] .= $thread_temp[$i];
 290                             $counter = $counter - 1;
 291                     }
 292                     else {
 293                             $thread_new[$k] .= $thread_temp[$i];
 294                             $k++;
 295                             $thread_new[$k] = "";
 296                             $counter = $counter - 1;
 297                     }
 298             }
 299     }
 300     session_register('thread_new');
 301     $thread_new = array_reverse($thread_new);
 302     $thread_list = implode(" ", $thread_new);
 303     $thread_list = str_replace("(", " ", $thread_list);
 304     $thread_list = str_replace(")", " ", $thread_list);
 305     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 306     $server_sort_array = $thread_list;
 307     session_register('server_sort_array');
 308     return $thread_list;
 309 }
 310
 311
 312
 313 function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
 314     global $squirrelmail_language, $color, $data_dir, $username;
 315
 316     /* Get the small headers for each message in $msg_list */
 317     $sid = sqimap_session_id();
 318     $maxmsg = sizeof($msg_list);
 319     $msgs_str = sqimap_message_list_squisher($msg_list);
 320     $results = array();
 321     $read_list = array();
 322     $sizes_list = array();
 323     /*
 324      * We need to return the data in the same order as the caller supplied
 325      * in $msg_list, but IMAP servers are free to return responses in
 326      * whatever order they wish... So we need to re-sort manually
 327      */
 328     for ($i = 0; $i < sizeof($msg_list); $i++) {
 329         $id2index[$msg_list[$i]] = $i;
 330     }
 331
 332     $query = "$sid FETCH $msgs_str BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject Message-Id X-Priority Content-Type In-Reply-To)]\r\n";
 333     fputs ($imap_stream, $query);
 334     $readin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 335
 336     foreach ($readin_list as $r) {
 337         if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
 338             set_up_language($squirrelmail_language);
 339             echo '<br><b><font color=$color[2]>' .
 340                   _("ERROR : Could not complete request.") .
 341                   '</b><br>' .
 342                   _("Unknown response from IMAP server: ") . ' 1.' .
 343                   $r[0] . "</font><br>\n";
 344         } else if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
 345              set_up_language($squirrelmail_language);
 346              echo '<br><b><font color=$color[2]>' .
 347                   _("ERROR : Could not complete request.") .
 348                   '</b><br>' .
 349                   _("Unknown message number in reply from server: ") .
 350                   $regs[1] . "</font><br>\n";
 351         } else {
 352              $read_list[$id2index[$regs[1]]] = $r;
 353         }
 354     }
 355     arsort($read_list);
 356
 357     $query = "$sid FETCH $msgs_str RFC822.SIZE\r\n";
 358     fputs ($imap_stream, $query);
 359     $sizesin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 360
 361     foreach ($sizesin_list as $r) {
 362         if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
 363             set_up_language($squirrelmail_language);
 364             echo "<br><b><font color=$color[2]>\n";
 365             echo _("ERROR : Could not complete request.");
 366             echo "</b><br>\n";
 367             echo _("Unknown response from IMAP server: ") . ' 2.';
 368             echo $r[0] . "</font><br>\n";
 369             exit;
 370         }
 371         if (!count($id2index[$regs[1]])) {
 372             set_up_language($squirrelmail_language);
 373             echo "<br><b><font color=$color[2]>\n";
 374             echo _("ERROR : Could not complete request.");
 375             echo "</b><br>\n";
 376             echo _("Unknown messagenumber in reply from server: ");
 377             echo $regs[1] . "</font><br>\n";
 378             exit;
 379         }
 380         $sizes_list[$id2index[$regs[1]]] = $r;
 381     }
 382     arsort($sizes_list);
 383
 384     for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
 385         $subject = _("(no subject)");
 386         $from = _("Unknown Sender");
 387         $priority = 0;
 388         $messageid = "<>";
 389         $cc = "";
 390         $to = "";
 391         $date = "";
 392         $type[0] = "";
 393         $type[1] = "";
 394         $inrepto = "";
 395         $read = $read_list[$msgi];
 396
 397         $prevline = false;
 398         foreach ($read as $read_part) {
 399             //unfold multi-line headers
 400             while ($prevline && strspn($read_part, "\t ") > 0) {
 401                $read_part = substr($prevline, 0, -2) . ' ' . ltrim($read_part);
 402             }
 403             $prevline = $read_part;
 404             if (eregi ("^to:(.*)$", $read_part, $regs)) {
 405                 $to = $regs[1];
 406             } else if (eregi ("^from:(.*)$", $read_part, $regs)) {
 407                 $from = $regs[1];
 408             } else if (eregi ("^x-priority:(.*)$", $read_part, $regs)) {
 409                 $priority = trim($regs[1]);
 410             } else if (eregi ("^message-id:(.*)$", $read_part, $regs)) {
 411                 $messageid = trim($regs[1]);
 412             } else if (eregi ("^cc:(.*)$", $read_part, $regs)) {
 413                 $cc = $regs[1];
 414             } else if (eregi ("^date:(.*)$", $read_part, $regs)) {
 415                 $date = $regs[1];
 416             } else if (eregi ("^subject:(.*)$", $read_part, $regs)) {
 417                 $subject = htmlspecialchars(trim($regs[1]));
 418                 if ($subject == "") {
 419                     $subject = _("(no subject)");
 420                 }
 421             } else if (eregi ("^content-type:(.*)$", $read_part, $regs)) {
 422                 $type = strtolower(trim($regs[1]));
 423                 if ($pos = strpos($type, ";")) {
 424                     $type = substr($type, 0, $pos);
 425                 }
 426                 $type = explode("/", $type);
 427                 if (!isset($type[1])) {
 428                     $type[1] = '';
 429                 }
 430             } else if (eregi ("^in-reply-to:(.*)$", $read_part, $regs)) {
 431                 $inrepto = trim($regs[1]);
 432             }
 433         }
 434         $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 435         if (trim($date) == "" || $internaldate) {
 436             fputs($imap_stream, "$sid FETCH $msg_list[$msgi] INTERNALDATE\r\n");
 437             $readdate = sqimap_read_data($imap_stream, $sid, true, $response, $message);
 438             if (eregi(".*INTERNALDATE \"(.*)\".*", $readdate[0], $regs)) {
 439                 $date_list = explode(' ', trim($regs[1]));
 440                 $date_list[0] = str_replace("-", ' ', $date_list[0]);
 441                 $date = implode(' ', $date_list);
 442             }
 443         }
 444         eregi("([0-9]+)[^0-9]*$", $sizes_list[$msgi][0], $regs);
 445         $size = $regs[1];
 446
 447         $header = new small_header;
 448         if ($issent) {
 449             $header->from = (trim($to) != '' ? $to : '(' ._("No To Address") . ')');
 450         } else {
 451             $header->from = $from;
 452         }
 453
 454         $header->date = $date;
 455         $header->subject = $subject;
 456         $header->to = $to;
 457         $header->priority = $priority;
 458         $header->message_id = $messageid;
 459         $header->cc = $cc;
 460         $header->size = $size;
 461         $header->type0 = $type[0];
 462         $header->type1 = $type[1];
 463                 $header->inrepto = $inrepto;
 464         $result[] = $header;
 465     }
 466     return $result;
 467 }
 468
 469 /* Returns the flags for the specified messages */
 470 function sqimap_get_flags ($imap_stream, $i) {
 471     $read = sqimap_run_command ($imap_stream, "FETCH $i:$i FLAGS", true, $response, $message);
 472     if (ereg('FLAGS(.*)', $read[0], $regs)) {
 473         return explode(' ', trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
 474     }
 475     return array('None');
 476 }
 477
 478 function sqimap_get_flags_list ($imap_stream, $msg_list) {
 479     $msgs_str = sqimap_message_list_squisher($msg_list);
 480     for ($i = 0; $i < sizeof($msg_list); $i++) {
 481         $id2index[$msg_list[$i]] = $i;
 482     }
 483     $result_list = sqimap_run_command_list ($imap_stream, "FETCH $msgs_str FLAGS", true, $response, $message);
 484     $result_flags = array();
 485
 486     for ($i = 0; $i < sizeof($result_list); $i++) {
 487         if (eregi('^\* ([0-9]+).*FETCH.*FLAGS(.*)', $result_list[$i][0], $regs)
 488           && isset($id2index[$regs[1]]) && count($id2index[$regs[1]])) {
 489             $result_flags[$id2index[$regs[1]]] = explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[2])));
 490         } else {
 491             set_up_language($squirrelmail_language);
 492             echo "<br><b><font color=$color[2]>\n" .
 493                  _("ERROR : Could not complete request.") .
 494                  "</b><br>\n" .
 495                  _("Unknown response from IMAP server: ") .
 496                  $result_list[$i][0] . "</font><br>\n";
 497             exit;
 498         }
 499     }
 500     arsort($result_flags);
 501     return $result_flags;
 502 }
 503
 504 /*
 505  * Returns a message array with all the information about a message.
 506  * See the documentation folder for more information about this array.
 507  */
 508 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 509     $header = sqimap_get_message_header($imap_stream, $id, $mailbox);
 510     return sqimap_get_message_body($imap_stream, $header);
 511 }
 512
 513 /* Wrapper function that reformats the header information. */
 514 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 515     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[HEADER]", true, $response, $message);
 516     $header = sqimap_get_header($imap_stream, $read);
 517     $header->id = $id;
 518     $header->mailbox = $mailbox;
 519     return $header;
 520 }
 521
 522 /* Wrapper function that reformats the entity header information. */
 523 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 524     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.HEADER]", true, $response, $message);
 525     $header = sqimap_get_header($imap_stream, $read);
 526     $header->id = $id;
 527     $header->mailbox = $mailbox;
 528     return $header;
 529 }
 530
 531
 532 /* Wrapper function that returns entity headers for use by decodeMime */
 533 /*
 534 function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
 535     $header = sqimap_get_header($imap_stream, $read);
 536     $type0 = $header["TYPE0"];
 537     $type1 = $header["TYPE1"];
 538     $bound = $header["BOUNDARY"];
 539     $encoding = $header["ENCODING"];
 540     $charset = $header["CHARSET"];
 541     $filename = $header["FILENAME"];
 542 }
 543 */
 544 /* Queries the IMAP server and gets all header information. */
 545 function sqimap_get_header ($imap_stream, $read) {
 546     global $where, $what;
 547
 548     $hdr = new msg_header();
 549     $i = 0;
 550
 551     /* Set up some defaults */
 552     $hdr->type0 = "text";
 553     $hdr->type1 = "plain";
 554     $hdr->charset = "us-ascii";
 555
 556     while ($i < count($read)) {
 557         //unfold multi-line headers
 558         while ($i + 1 < count($read) && strspn($read[$i + 1], "\t ") > 0) {
 559             $read[$i + 1] = substr($read[$i], 0, -2) . ' ' . ltrim($read[$i + 1]);
 560             array_splice($read, $i, 1);
 561         }
 562
 563         if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
 564             $hdr->mime = true;
 565             $i++;
 566         }
 567         /* ENCODING TYPE */
 568         else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
 569             $hdr->encoding = strtolower(trim(substr($read[$i], 26)));
 570             $i++;
 571         }
 572         /* CONTENT-TYPE */
 573         else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
 574             $cont = strtolower(trim(substr($read[$i], 13)));
 575             if (strpos($cont, ";")) {
 576                 $cont = substr($cont, 0, strpos($cont, ";"));
 577             }
 578
 579             if (strpos($cont, "/")) {
 580                 $hdr->type0 = substr($cont, 0, strpos($cont, "/"));
 581                 $hdr->type1 = substr($cont, strpos($cont, "/")+1);
 582             } else {
 583                 $hdr->type0 = $cont;
 584             }
 585
 586             $line = $read[$i];
 587             $i++;
 588             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 589                 str_replace("\n", "", $line);
 590                 str_replace("\n", "", $read[$i]);
 591                 $line = "$line $read[$i]";
 592                 $i++;
 593             }
 594
 595             /* Detect the boundary of a multipart message */
 596             if (eregi('boundary="([^"]+)"', $line, $regs)) {
 597                 $hdr->boundary = $regs[1];
 598             }
 599
 600             /* Detect the charset */
 601             if (strpos(strtolower(trim($line)), "charset=")) {
 602                 $pos = strpos($line, "charset=") + 8;
 603                 $charset = trim($line);
 604                 if (strpos($line, ";", $pos) > 0) {
 605                     $charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
 606                 } else {
 607                     $charset = substr($charset, $pos);
 608                 }
 609                 $charset = str_replace("\"", "", $charset);
 610                 $hdr->charset = $charset;
 611             } else {
 612                 $hdr->charset = "us-ascii";
 613             }
 614             /* Detect type in case of multipart/related */
 615             if (strpos(strtolower(trim($line)), "type=")) {
 616                 $pos = strpos($line, "type=") + 6;
 617                 $type = trim($line);
 618                 if (strpos($line, ";", $pos) > 0) {
 619                     $type = substr($type, $pos, strpos($line, ";", $pos)-$pos);
 620                 } else {
 621                     $type = substr($charset, $pos);
 622                 }
 623                 $type = str_replace("\"",'',$type);
 624                 $hdr->type = $type;
 625             }
 626         }
 627         else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
 628             /* Add better content-disposition support */
 629             $line = $read[$i];
 630             $i++;
 631             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 632                 str_replace("\n", "", $line);
 633                 str_replace("\n", "", $read[$i]);
 634                 $line = "$line $read[$i]";
 635                 $i++;
 636             }
 637
 638             /* Detects filename if any */
 639             if (strpos(strtolower(trim($line)), "filename=")) {
 640                 $pos = strpos($line, "filename=") + 9;
 641                 $name = trim($line);
 642                 if (strpos($line, " ", $pos) > 0) {
 643                     $name = substr($name, $pos, strpos($line, " ", $pos));
 644                 } else {
 645                     $name = substr($name, $pos);
 646                 }
 647                 $name = str_replace("\"", "", $name);
 648                 $hdr->filename = $name;
 649             }
 650         }
 651         /* REPLY-TO */
 652         else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
 653             $hdr->replyto = trim(substr($read[$i], 9, strlen($read[$i])));
 654             $i++;
 655         }
 656         /* FROM */
 657         else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
 658             $hdr->from = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
 659             if (! isset($hdr->replyto) || $hdr->replyto == "") {
 660                 $hdr->replyto = $hdr->from;
 661             }
 662             $i++;
 663         }
 664         /* DATE */
 665         else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
 666             $d = substr($read[$i], 5);
 667             $d = trim($d);
 668             $d = strtr($d, array('  ' => ' '));
 669             $d = explode(' ', $d);
 670             $hdr->date = getTimeStamp($d);
 671             $i++;
 672         }
 673         /* SUBJECT */
 674         else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
 675             $hdr->subject = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
 676             if (strlen(Chop($hdr->subject)) == 0) {
 677                $hdr->subject = _("(no subject)");
 678             }
 679             /*
 680             if ($where == 'SUBJECT') {
 681                  $hdr->subject = $what;
 682                  // $hdr->subject = eregi_replace($what, "<b>\\0</b>", $hdr->subject);
 683             }
 684             */
 685             $i++;
 686         }
 687         /* CC */
 688         else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
 689             $pos = 0;
 690             $hdr->cc[$pos] = trim(substr($read[$i], 4));
 691             $i++;
 692             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 693                 $pos++;
 694                 $hdr->cc[$pos] = trim($read[$i]);
 695                 $i++;
 696             }
 697         }
 698         /* BCC */
 699         else if (strtolower(substr($read[$i], 0, 4)) == "bcc:") {
 700             $pos = 0;
 701             $hdr->bcc[$pos] = trim(substr($read[$i], 5));
 702             $i++;
 703             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 704                 $pos++;
 705                 $hdr->bcc[$pos] = trim($read[$i]);
 706                 $i++;
 707             }
 708         }
 709         /* TO */
 710         else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
 711             $pos = 0;
 712             $hdr->to[$pos] = trim(substr($read[$i], 4));
 713             $i++;
 714             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 715                 $pos++;
 716                 $hdr->to[$pos] = trim($read[$i]);
 717                 $i++;
 718             }
 719         }
 720         /* MESSAGE ID */
 721         else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
 722             $hdr->message_id = trim(substr($read[$i], 11));
 723             $i++;
 724         }
 725         /* ERROR CORRECTION */
 726         else if (substr($read[$i], 0, 1) == ")") {
 727             if (strlen(trim($hdr->subject)) == 0) {
 728                 $hdr->subject = _("(no subject)");
 729             }
 730             if (strlen(trim($hdr->from)) == 0) {
 731                 $hdr->from = _("(unknown sender)");
 732             }
 733             if (strlen(trim($hdr->date)) == 0) {
 734                 $hdr->date = time();
 735             }
 736             $i++;
 737         }
 738         /* X-PRIORITY */
 739         else if (strtolower(substr($read[$i], 0, 11)) == "x-priority:") {
 740             $hdr->priority = trim(substr($read[$i], 11));
 741             $i++;
 742         }
 743         else {
 744             $i++;
 745         }
 746      }
 747      return $hdr;
 748 }
 749
 750 /* Returns the body of a message. */
 751 function sqimap_get_message_body ($imap_stream, &$header) {
 752     $id = $header->id;
 753     return decodeMime($imap_stream, $header);
 754 }
 755
 756 ?>