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 $message BODY.PEEK[HEADER.FIELDS (References)]\r\n";
  85     fputs ($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, $internal_date_sort, $server_sort_array;
 101     if (session_is_registered('server_sort_array')) {
 102         session_unregister('server_sort_array');
 103     }
 104     $sid = sqimap_session_id();
 105     $sort_on = array();
 106     $reverse = 0;
 107     $server_sort_array = array();
 108     $sort_test = array();
 109     $sort_query = '';
 110     $sort_on = array (0=> 'DATE',
 111                       1=> 'DATE',
 112                       2=> 'FROM',
 113                       3=> 'FROM',
 114                       4=> 'SUBJECT',
 115                       5=> 'SUBJECT',
 116                       6=> 'DATE');
 117     if ($internal_date_sort == true) {
 118         $sort_on[0] = 'ARRIVAL';
 119         $sort_on[1] = 'ARRIVAL';
 120     }
 121     if (!empty($sort_on[$sort])) {
 122         $sort_query = "$sid SORT ($sort_on[$sort]) ".strtoupper($default_charset)." ALL\r\n";
 123         fputs($imap_stream, $sort_query);
 124         $sort_test = sqimap_read_data($imap_stream, $sid, true, $response, $message);
 125     }
 126     if (preg_match("/^\* SORT (.+)$/", $sort_test[0], $regs)) {
 127         $server_sort_array = preg_split("/ /", trim($regs[1]));
 128     }
 129     if ($sort == 0 || $sort == 2 || $sort == 4) {
 130        $server_sort_array = array_reverse($server_sort_array);
 131     }
 132     session_register('server_sort_array');
 133     return $server_sort_array;
 134 }
 135
 136 /* returns an indent array for printMessageinfo()
 137    this represents the amount of indent needed
 138    for this message number
 139 */
 140
 141 function get_parent_level ($imap_stream) {
 142     global $sort_by_ref, $default_charset, $thread_new;
 143         $parent = "";
 144         $child = "";
 145     for ($i=0;$i<count($thread_new);$i++) {
 146         $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
 147         $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
 148         $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
 149     }
 150     $indent_array = array();
 151         if (!$thread_new) {
 152                 $thread_new = array();
 153         }
 154     for ($i=0;$i<count($thread_new);$i++) {
 155         if (isset($thread_new[$i][0])) {
 156         if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
 157             $parent = $regs[1];
 158         }
 159         }
 160         $indent_array[$parent] = 0;
 161         $indent = 0;
 162         $go = 'stop';
 163         $spaces = array ();
 164         $l = 0;
 165         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 166             $chars = count_chars($thread_new[$i][$k], 1);
 167             if (isset($chars['40']) && isset($chars['41'])) {
 168                 $l--;
 169             }
 170             if (isset($chars['40'])) {  // (
 171                 $indent = $indent + $chars[40];
 172                 $go = 'start';
 173                 $l++;
 174             }
 175             if (isset($chars['41'])) {  //  )
 176                 if ($go == 'start') {
 177                     if (!isset($spaces[$l])) {
 178                                                 $spaces[$l] = 0;
 179                                         }
 180                     $indent = $indent - $spaces[$l];
 181                     $indent = $indent - $chars[41] ;
 182                     $go = 'stop';
 183                     $l--;
 184                 }
 185                 else {
 186                     $indent = $indent - $chars[41];
 187                 }
 188             }
 189             if (isset($chars['32'])) {  //  space
 190                 $indent = $indent + $chars[32];
 191                 if ($go == 'start') {
 192                     if (!isset($spaces[$l])) {
 193                                                 $spaces[$l] = 0;
 194                                         }
 195                     $spaces[$l] = $spaces[$l] + $chars[32];
 196                 }
 197             }
 198             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 199                 $child = $regs[1];
 200             }
 201             $indent_array[$child] = abs($indent);
 202         }
 203     }
 204     return $indent_array;
 205 }
 206
 207
 208 /* returns an array with each element as a string
 209    representing one message thread as returned by
 210    the IMAP server
 211 */
 212
 213 function get_thread_sort ($imap_stream) {
 214     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array;
 215
 216     if (session_is_registered('thread_new')) {
 217         session_unregister('thread_new');
 218     }
 219     if (session_is_registered('server_sort_array')) {
 220         session_unregister('server_srot_array');
 221     }
 222     $sid = sqimap_session_id();
 223     $thread_temp = array ();
 224     if ($sort_by_ref == 1) {
 225         $sort_type = 'REFERENCES';
 226     }
 227     else {
 228         $sort_type = 'ORDEREDSUBJECT';
 229     }
 230     $thread_query = "$sid THREAD $sort_type ".strtoupper($default_charset)." ALL\r\n";
 231     fputs($imap_stream, $thread_query);
 232     $thread_test = sqimap_read_data($imap_stream, $sid, true, $response, $message);
 233     if (preg_match("/^\* THREAD (.+)$/", $thread_test[0], $regs)) {
 234        $thread_list = trim($regs[1]);
 235     }
 236     else {
 237        $thread_list = "";
 238     }
 239     $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 240     $char_count = count($thread_temp);
 241     $counter = 0;
 242     $thread_new = array();
 243     $k = 0;
 244     $thread_new[0] = "";
 245     for ($i=0;$i<$char_count;$i++) {
 246             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 247                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 248             }
 249             elseif ($thread_temp[$i] == '(') {
 250                     $thread_new[$k] .= $thread_temp[$i];
 251                     $counter++;
 252             }
 253             elseif ($thread_temp[$i] == ')') {
 254                     if ($counter > 1) {
 255                             $thread_new[$k] .= $thread_temp[$i];
 256                             $counter = $counter - 1;
 257                     }
 258                     else {
 259                             $thread_new[$k] .= $thread_temp[$i];
 260                             $k++;
 261                             $thread_new[$k] = "";
 262                             $counter = $counter - 1;
 263                     }
 264             }
 265     }
 266         session_register('$thread_new');
 267     $thread_new = array_reverse($thread_new);
 268     $thread_list = implode(" ", $thread_new);
 269     $thread_list = str_replace("(", " ", $thread_list);
 270     $thread_list = str_replace(")", " ", $thread_list);
 271     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 272     $server_sort_array = $thread_list;
 273     session_register('server_sort_array');
 274     return $thread_list;
 275 }
 276
 277
 278
 279 function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
 280     global $squirrelmail_language, $color, $data_dir, $username;
 281
 282     /* Get the small headers for each message in $msg_list */
 283     $sid = sqimap_session_id();
 284     $maxmsg = sizeof($msg_list);
 285     $msgs_str = sqimap_message_list_squisher($msg_list);
 286     $results = array();
 287     $read_list = array();
 288     $sizes_list = array();
 289     /*
 290      * We need to return the data in the same order as the caller supplied
 291      * in $msg_list, but IMAP servers are free to return responses in
 292      * whatever order they wish... So we need to re-sort manually
 293      */
 294     for ($i = 0; $i < sizeof($msg_list); $i++) {
 295         $id2index[$msg_list[$i]] = $i;
 296     }
 297
 298     $query = "$sid FETCH $msgs_str BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject Message-Id X-Priority Content-Type In-Reply-To)]\r\n";
 299     fputs ($imap_stream, $query);
 300     $readin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 301
 302     foreach ($readin_list as $r) {
 303         if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
 304             set_up_language($squirrelmail_language);
 305             echo '<br><b><font color=$color[2]>' .
 306                   _("ERROR : Could not complete request.") .
 307                   '</b><br>' .
 308                   _("Unknown response from IMAP server: ") . ' 1.' .
 309                   $r[0] . "</font><br>\n";
 310         } else if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
 311              set_up_language($squirrelmail_language);
 312              echo '<br><b><font color=$color[2]>' .
 313                   _("ERROR : Could not complete request.") .
 314                   '</b><br>' .
 315                   _("Unknown message number in reply from server: ") .
 316                   $regs[1] . "</font><br>\n";
 317         } else {
 318              $read_list[$id2index[$regs[1]]] = $r;
 319         }
 320     }
 321     arsort($read_list);
 322
 323     $query = "$sid FETCH $msgs_str RFC822.SIZE\r\n";
 324     fputs ($imap_stream, $query);
 325     $sizesin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 326
 327     foreach ($sizesin_list as $r) {
 328         if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
 329             set_up_language($squirrelmail_language);
 330             echo "<br><b><font color=$color[2]>\n";
 331             echo _("ERROR : Could not complete request.");
 332             echo "</b><br>\n";
 333             echo _("Unknown response from IMAP server: ") . ' 2.';
 334             echo $r[0] . "</font><br>\n";
 335             exit;
 336         }
 337         if (!count($id2index[$regs[1]])) {
 338             set_up_language($squirrelmail_language);
 339             echo "<br><b><font color=$color[2]>\n";
 340             echo _("ERROR : Could not complete request.");
 341             echo "</b><br>\n";
 342             echo _("Unknown messagenumber in reply from server: ");
 343             echo $regs[1] . "</font><br>\n";
 344             exit;
 345         }
 346         $sizes_list[$id2index[$regs[1]]] = $r;
 347     }
 348     arsort($sizes_list);
 349
 350     for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
 351         $subject = _("(no subject)");
 352         $from = _("Unknown Sender");
 353         $priority = 0;
 354         $messageid = "<>";
 355         $cc = "";
 356         $to = "";
 357         $date = "";
 358         $type[0] = "";
 359         $type[1] = "";
 360         $inrepto = "";
 361         $read = $read_list[$msgi];
 362
 363         $prevline = false;
 364         foreach ($read as $read_part) {
 365             //unfold multi-line headers
 366             while ($prevline && strspn($read_part, "\t ") > 0) {
 367                $read_part = substr($prevline, 0, -2) . ' ' . ltrim($read_part);
 368             }
 369             $prevline = $read_part;
 370             if (eregi ("^to:(.*)$", $read_part, $regs)) {
 371                 $to = $regs[1];
 372             } else if (eregi ("^from:(.*)$", $read_part, $regs)) {
 373                 $from = $regs[1];
 374             } else if (eregi ("^x-priority:(.*)$", $read_part, $regs)) {
 375                 $priority = trim($regs[1]);
 376             } else if (eregi ("^message-id:(.*)$", $read_part, $regs)) {
 377                 $messageid = trim($regs[1]);
 378             } else if (eregi ("^cc:(.*)$", $read_part, $regs)) {
 379                 $cc = $regs[1];
 380             } else if (eregi ("^date:(.*)$", $read_part, $regs)) {
 381                 $date = $regs[1];
 382             } else if (eregi ("^subject:(.*)$", $read_part, $regs)) {
 383                 $subject = htmlspecialchars(trim($regs[1]));
 384                 if ($subject == "") {
 385                     $subject = _("(no subject)");
 386                 }
 387             } else if (eregi ("^content-type:(.*)$", $read_part, $regs)) {
 388                 $type = strtolower(trim($regs[1]));
 389                 if ($pos = strpos($type, ";")) {
 390                     $type = substr($type, 0, $pos);
 391                 }
 392                 $type = explode("/", $type);
 393                 if (!isset($type[1])) {
 394                     $type[1] = '';
 395                 }
 396             } else if (eregi ("^in-reply-to:(.*)$", $read_part, $regs)) {
 397                 $inrepto = trim($regs[1]);
 398             }
 399         }
 400         $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 401         if (trim($date) == "" || $internaldate) {
 402             fputs($imap_stream, "$sid FETCH $msg_list[$msgi] INTERNALDATE\r\n");
 403             $readdate = sqimap_read_data($imap_stream, $sid, true, $response, $message);
 404             if (eregi(".*INTERNALDATE \"(.*)\".*", $readdate[0], $regs)) {
 405                 $date_list = explode(' ', trim($regs[1]));
 406                 $date_list[0] = str_replace("-", ' ', $date_list[0]);
 407                 $date = implode(' ', $date_list);
 408             }
 409         }
 410         eregi("([0-9]+)[^0-9]*$", $sizes_list[$msgi][0], $regs);
 411         $size = $regs[1];
 412
 413         $header = new small_header;
 414         if ($issent) {
 415             $header->from = (trim($to) != '' ? $to : '(' ._("No To Address") . ')');
 416         } else {
 417             $header->from = $from;
 418         }
 419
 420         $header->date = $date;
 421         $header->subject = $subject;
 422         $header->to = $to;
 423         $header->priority = $priority;
 424         $header->message_id = $messageid;
 425         $header->cc = $cc;
 426         $header->size = $size;
 427         $header->type0 = $type[0];
 428         $header->type1 = $type[1];
 429                 $header->inrepto = $inrepto;
 430         $result[] = $header;
 431     }
 432     return $result;
 433 }
 434
 435 /* Returns the flags for the specified messages */
 436 function sqimap_get_flags ($imap_stream, $i) {
 437     $read = sqimap_run_command ($imap_stream, "FETCH $i:$i FLAGS", true, $response, $message);
 438     if (ereg('FLAGS(.*)', $read[0], $regs)) {
 439         return explode(' ', trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
 440     }
 441     return array('None');
 442 }
 443
 444 function sqimap_get_flags_list ($imap_stream, $msg_list) {
 445     $msgs_str = sqimap_message_list_squisher($msg_list);
 446     for ($i = 0; $i < sizeof($msg_list); $i++) {
 447         $id2index[$msg_list[$i]] = $i;
 448     }
 449     $result_list = sqimap_run_command_list ($imap_stream, "FETCH $msgs_str FLAGS", true, $response, $message);
 450     $result_flags = array();
 451
 452     for ($i = 0; $i < sizeof($result_list); $i++) {
 453         if (eregi('^\* ([0-9]+).*FETCH.*FLAGS(.*)', $result_list[$i][0], $regs)
 454           && isset($id2index[$regs[1]]) && count($id2index[$regs[1]])) {
 455             $result_flags[$id2index[$regs[1]]] = explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[2])));
 456         } else {
 457             set_up_language($squirrelmail_language);
 458             echo "<br><b><font color=$color[2]>\n" .
 459                  _("ERROR : Could not complete request.") .
 460                  "</b><br>\n" .
 461                  _("Unknown response from IMAP server: ") .
 462                  $result_list[$i][0] . "</font><br>\n";
 463             exit;
 464         }
 465     }
 466     arsort($result_flags);
 467     return $result_flags;
 468 }
 469
 470 /*
 471  * Returns a message array with all the information about a message.
 472  * See the documentation folder for more information about this array.
 473  */
 474 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 475     $header = sqimap_get_message_header($imap_stream, $id, $mailbox);
 476     return sqimap_get_message_body($imap_stream, $header);
 477 }
 478
 479 /* Wrapper function that reformats the header information. */
 480 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 481     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[HEADER]", true, $response, $message);
 482     $header = sqimap_get_header($imap_stream, $read);
 483     $header->id = $id;
 484     $header->mailbox = $mailbox;
 485     return $header;
 486 }
 487
 488 /* Wrapper function that reformats the entity header information. */
 489 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 490     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.HEADER]", true, $response, $message);
 491     $header = sqimap_get_header($imap_stream, $read);
 492     $header->id = $id;
 493     $header->mailbox = $mailbox;
 494     return $header;
 495 }
 496
 497
 498 /* Wrapper function that returns entity headers for use by decodeMime */
 499 /*
 500 function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
 501     $header = sqimap_get_header($imap_stream, $read);
 502     $type0 = $header["TYPE0"];
 503     $type1 = $header["TYPE1"];
 504     $bound = $header["BOUNDARY"];
 505     $encoding = $header["ENCODING"];
 506     $charset = $header["CHARSET"];
 507     $filename = $header["FILENAME"];
 508 }
 509 */
 510 /* Queries the IMAP server and gets all header information. */
 511 function sqimap_get_header ($imap_stream, $read) {
 512     global $where, $what;
 513
 514     $hdr = new msg_header();
 515     $i = 0;
 516
 517     /* Set up some defaults */
 518     $hdr->type0 = "text";
 519     $hdr->type1 = "plain";
 520     $hdr->charset = "us-ascii";
 521
 522     while ($i < count($read)) {
 523         //unfold multi-line headers
 524         while ($i + 1 < count($read) && strspn($read[$i + 1], "\t ") > 0) {
 525             $read[$i + 1] = substr($read[$i], 0, -2) . ' ' . ltrim($read[$i + 1]);
 526             array_splice($read, $i, 1);
 527         }
 528
 529         if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
 530             $hdr->mime = true;
 531             $i++;
 532         }
 533         /* ENCODING TYPE */
 534         else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
 535             $hdr->encoding = strtolower(trim(substr($read[$i], 26)));
 536             $i++;
 537         }
 538         /* CONTENT-TYPE */
 539         else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
 540             $cont = strtolower(trim(substr($read[$i], 13)));
 541             if (strpos($cont, ";")) {
 542                 $cont = substr($cont, 0, strpos($cont, ";"));
 543             }
 544
 545             if (strpos($cont, "/")) {
 546                 $hdr->type0 = substr($cont, 0, strpos($cont, "/"));
 547                 $hdr->type1 = substr($cont, strpos($cont, "/")+1);
 548             } else {
 549                 $hdr->type0 = $cont;
 550             }
 551
 552             $line = $read[$i];
 553             $i++;
 554             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 555                 str_replace("\n", "", $line);
 556                 str_replace("\n", "", $read[$i]);
 557                 $line = "$line $read[$i]";
 558                 $i++;
 559             }
 560
 561             /* Detect the boundary of a multipart message */
 562             if (eregi('boundary="([^"]+)"', $line, $regs)) {
 563                 $hdr->boundary = $regs[1];
 564             }
 565
 566             /* Detect the charset */
 567             if (strpos(strtolower(trim($line)), "charset=")) {
 568                 $pos = strpos($line, "charset=") + 8;
 569                 $charset = trim($line);
 570                 if (strpos($line, ";", $pos) > 0) {
 571                     $charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
 572                 } else {
 573                     $charset = substr($charset, $pos);
 574                 }
 575                 $charset = str_replace("\"", "", $charset);
 576                 $hdr->charset = $charset;
 577             } else {
 578                 $hdr->charset = "us-ascii";
 579             }
 580         }
 581         else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
 582             /* Add better content-disposition support */
 583             $line = $read[$i];
 584             $i++;
 585             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 586                 str_replace("\n", "", $line);
 587                 str_replace("\n", "", $read[$i]);
 588                 $line = "$line $read[$i]";
 589                 $i++;
 590             }
 591
 592             /* Detects filename if any */
 593             if (strpos(strtolower(trim($line)), "filename=")) {
 594                 $pos = strpos($line, "filename=") + 9;
 595                 $name = trim($line);
 596                 if (strpos($line, " ", $pos) > 0) {
 597                     $name = substr($name, $pos, strpos($line, " ", $pos));
 598                 } else {
 599                     $name = substr($name, $pos);
 600                 }
 601                 $name = str_replace("\"", "", $name);
 602                 $hdr->filename = $name;
 603             }
 604         }
 605         /* REPLY-TO */
 606         else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
 607             $hdr->replyto = trim(substr($read[$i], 9, strlen($read[$i])));
 608             $i++;
 609         }
 610         /* FROM */
 611         else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
 612             $hdr->from = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
 613             if (! isset($hdr->replyto) || $hdr->replyto == "") {
 614                 $hdr->replyto = $hdr->from;
 615             }
 616             $i++;
 617         }
 618         /* DATE */
 619         else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
 620             $d = substr($read[$i], 5);
 621             $d = trim($d);
 622             $d = strtr($d, array('  ' => ' '));
 623             $d = explode(' ', $d);
 624             $hdr->date = getTimeStamp($d);
 625             $i++;
 626         }
 627         /* SUBJECT */
 628         else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
 629             $hdr->subject = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
 630             if (strlen(Chop($hdr->subject)) == 0) {
 631                $hdr->subject = _("(no subject)");
 632             }
 633             /*
 634             if ($where == 'SUBJECT') {
 635                  $hdr->subject = $what;
 636                  // $hdr->subject = eregi_replace($what, "<b>\\0</b>", $hdr->subject);
 637             }
 638             */
 639             $i++;
 640         }
 641         /* CC */
 642         else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
 643             $pos = 0;
 644             $hdr->cc[$pos] = trim(substr($read[$i], 4));
 645             $i++;
 646             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 647                 $pos++;
 648                 $hdr->cc[$pos] = trim($read[$i]);
 649                 $i++;
 650             }
 651         }
 652         /* BCC */
 653         else if (strtolower(substr($read[$i], 0, 4)) == "bcc:") {
 654             $pos = 0;
 655             $hdr->bcc[$pos] = trim(substr($read[$i], 5));
 656             $i++;
 657             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 658                 $pos++;
 659                 $hdr->bcc[$pos] = trim($read[$i]);
 660                 $i++;
 661             }
 662         }
 663         /* TO */
 664         else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
 665             $pos = 0;
 666             $hdr->to[$pos] = trim(substr($read[$i], 4));
 667             $i++;
 668             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 669                 $pos++;
 670                 $hdr->to[$pos] = trim($read[$i]);
 671                 $i++;
 672             }
 673         }
 674         /* MESSAGE ID */
 675         else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
 676             $hdr->message_id = trim(substr($read[$i], 11));
 677             $i++;
 678         }
 679         /* ERROR CORRECTION */
 680         else if (substr($read[$i], 0, 1) == ")") {
 681             if (strlen(trim($hdr->subject)) == 0) {
 682                 $hdr->subject = _("(no subject)");
 683             }
 684             if (strlen(trim($hdr->from)) == 0) {
 685                 $hdr->from = _("(unknown sender)");
 686             }
 687             if (strlen(trim($hdr->date)) == 0) {
 688                 $hdr->date = time();
 689             }
 690             $i++;
 691         }
 692         /* X-PRIORITY */
 693         else if (strtolower(substr($read[$i], 0, 11)) == "x-priority:") {
 694             $hdr->priority = trim(substr($read[$i], 11));
 695             $i++;
 696         }
 697         else {
 698             $i++;
 699         }
 700      }
 701      return $hdr;
 702 }
 703
 704 /* Returns the body of a message. */
 705 function sqimap_get_message_body ($imap_stream, &$header) {
 706     $id = $header->id;
 707     return decodeMime($imap_stream, $header);
 708 }
 709
 710 ?>