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