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