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, $mailbox;
 103
 104     if (session_is_registered('server_sort_array')) {
 105         session_unregister('server_sort_array');
 106     }
 107     if ($sort == 6) {
 108         $qty = sqimap_get_num_messages ($imap_stream, $mailbox);
 109         $server_sort_array = range(1, $qty);
 110         session_register('server_sort_array');
 111         return $server_sort_array;
 112     }
 113     $sid = sqimap_session_id();
 114     $sort_on = array();
 115     $reverse = 0;
 116     $server_sort_array = array();
 117     $sort_test = array();
 118     $sort_query = '';
 119     $sort_on = array (0=> 'DATE',
 120                       1=> 'DATE',
 121                       2=> 'FROM',
 122                       3=> 'FROM',
 123                       4=> 'SUBJECT',
 124                       5=> 'SUBJECT');
 125     if ($internal_date_sort == true) {
 126         $sort_on[0] = 'ARRIVAL';
 127         $sort_on[1] = 'ARRIVAL';
 128     }
 129     if ($sent_folder == $mailbox) {
 130         $sort_on[2] = 'TO';
 131         $sort_on[3] = 'TO';
 132     }
 133     if (!empty($sort_on[$sort])) {
 134         $sort_query = "$sid SORT ($sort_on[$sort]) ".strtoupper($default_charset)." ALL\r\n";
 135         fputs($imap_stream, $sort_query);
 136         $sort_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 137     }
 138     if (isset($sort_test[0])) {
 139         if (preg_match("/^\* SORT (.+)$/", $sort_test[0], $regs)) {
 140             $server_sort_array = preg_split("/ /", trim($regs[1]));
 141         }
 142     }
 143     if ($sort == 0 || $sort == 2 || $sort == 4) {
 144        $server_sort_array = array_reverse($server_sort_array);
 145     }
 146     if (!preg_match("/OK/", $response)) {
 147            $server_sort_array = 'no';
 148         }
 149     session_register('server_sort_array');
 150     return $server_sort_array;
 151 }
 152
 153 /* returns an indent array for printMessageinfo()
 154    this represents the amount of indent needed (value)
 155    for this message number (key)
 156 */
 157
 158 function get_parent_level ($imap_stream) {
 159     global $sort_by_ref, $default_charset, $thread_new;
 160         $parent = "";
 161         $child = "";
 162         $cutoff = 0;
 163
 164     /* loop through the threads and take unwanted characters out
 165        of the thread string then chop it up
 166      */
 167     for ($i=0;$i<count($thread_new);$i++) {
 168         $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
 169         $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
 170         $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
 171     }
 172     $indent_array = array();
 173         if (!$thread_new) {
 174                 $thread_new = array();
 175         }
 176     /* looping through the parts of one message thread */
 177
 178     for ($i=0;$i<count($thread_new);$i++) {
 179     /* first grab the parent, it does not indent */
 180
 181         if (isset($thread_new[$i][0])) {
 182             if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
 183                 $parent = $regs[1];
 184             }
 185         }
 186         $indent_array[$parent] = 0;
 187
 188     /* now the children, checking each thread portion for
 189        ),(, and space, adjusting the level and space values
 190        to get the indent level
 191     */
 192         $level = 0;
 193         $spaces = 0;
 194         $indent = 0;
 195         $fake = FALSE;
 196         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 197             $chars = count_chars($thread_new[$i][$k], 1);
 198             if (isset($chars['40'])) {       /* testing for ( */
 199                 $level = $level + $chars['40'];
 200             }
 201             if (isset($chars['41'])) {      /* testing for ) */
 202                 $level = $level - $chars['41'];
 203                 $spaces = 0;
 204                 /* if we were faking lets stop, this portion
 205                    of the thread is over
 206                 */
 207                 if ($level == $cutoff) {
 208                     $fake = FALSE;
 209                 }
 210             }
 211             if (isset($chars['32'])) {      /* testing for space */
 212                 $spaces = $spaces + $chars['32'];
 213             }
 214             $indent = $level + $spaces;
 215             /* must have run into a message that broke the thread
 216                so we are adjusting for that portion
 217             */
 218             if ($fake == TRUE) {
 219                 $indent = $indent +1;
 220             }
 221             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 222                 $child = $regs[1];
 223             }
 224             /* the thread must be broken if $indent == 0
 225                so indent the message once and start faking it
 226             */
 227             if ($indent == 0) {
 228                 $indent = 1;
 229                 $fake = TRUE;
 230                 $cutoff = $level;
 231             }
 232             /* dont need abs but if indent was negative
 233                errors would occur
 234             */
 235             $indent_array[$child] = abs($indent);
 236         }
 237     }
 238     return $indent_array;
 239 }
 240
 241
 242 /* returns an array with each element as a string
 243    representing one message thread as returned by
 244    the IMAP server
 245 */
 246
 247 function get_thread_sort ($imap_stream) {
 248     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array;
 249     if (session_is_registered('thread_new')) {
 250         session_unregister('thread_new');
 251     }
 252     if (session_is_registered('server_sort_array')) {
 253         session_unregister('server_srot_array');
 254     }
 255     $sid = sqimap_session_id();
 256     $thread_temp = array ();
 257     if ($sort_by_ref == 1) {
 258         $sort_type = 'REFERENCES';
 259     }
 260     else {
 261         $sort_type = 'ORDEREDSUBJECT';
 262     }
 263     $thread_query = "$sid THREAD $sort_type ".strtoupper($default_charset)." ALL\r\n";
 264     fputs($imap_stream, $thread_query);
 265     $thread_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 266     if (isset($thread_test[0])) {
 267         if (preg_match("/^\* THREAD (.+)$/", $thread_test[0], $regs)) {
 268             $thread_list = trim($regs[1]);
 269         }
 270     }
 271     else {
 272        $thread_list = "";
 273     }
 274     if (!preg_match("/OK/", $response)) {
 275            $server_sort_array = 'no';
 276            return $server_sort_array;
 277         }
 278     $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 279     $char_count = count($thread_temp);
 280     $counter = 0;
 281     $thread_new = array();
 282     $k = 0;
 283     $thread_new[0] = "";
 284     for ($i=0;$i<$char_count;$i++) {
 285             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 286                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 287             }
 288             elseif ($thread_temp[$i] == '(') {
 289                     $thread_new[$k] .= $thread_temp[$i];
 290                     $counter++;
 291             }
 292             elseif ($thread_temp[$i] == ')') {
 293                     if ($counter > 1) {
 294                             $thread_new[$k] .= $thread_temp[$i];
 295                             $counter = $counter - 1;
 296                     }
 297                     else {
 298                             $thread_new[$k] .= $thread_temp[$i];
 299                             $k++;
 300                             $thread_new[$k] = "";
 301                             $counter = $counter - 1;
 302                     }
 303             }
 304     }
 305     session_register('thread_new');
 306     $thread_new = array_reverse($thread_new);
 307     $thread_list = implode(" ", $thread_new);
 308     $thread_list = str_replace("(", " ", $thread_list);
 309     $thread_list = str_replace(")", " ", $thread_list);
 310     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 311     $server_sort_array = $thread_list;
 312     session_register('server_sort_array');
 313     return $thread_list;
 314 }
 315
 316
 317
 318 function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
 319     global $squirrelmail_language, $color, $data_dir, $username;
 320
 321     /* Get the small headers for each message in $msg_list */
 322     $sid = sqimap_session_id();
 323     $maxmsg = sizeof($msg_list);
 324     $msgs_str = sqimap_message_list_squisher($msg_list);
 325     $results = array();
 326     $read_list = array();
 327     $sizes_list = array();
 328     /*
 329      * We need to return the data in the same order as the caller supplied
 330      * in $msg_list, but IMAP servers are free to return responses in
 331      * whatever order they wish... So we need to re-sort manually
 332      */
 333     for ($i = 0; $i < sizeof($msg_list); $i++) {
 334         $id2index[$msg_list[$i]] = $i;
 335     }
 336
 337     $query = "$sid FETCH $msgs_str BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject Message-Id X-Priority Content-Type In-Reply-To)]\r\n";
 338     fputs ($imap_stream, $query);
 339     $readin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 340
 341     foreach ($readin_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]>' .
 345                   _("ERROR : Could not complete request.") .
 346                   '</b><br>' .
 347                   _("Unknown response from IMAP server: ") . ' 1.' .
 348                   $r[0] . "</font><br>\n";
 349         } else if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
 350              set_up_language($squirrelmail_language);
 351              echo '<br><b><font color=$color[2]>' .
 352                   _("ERROR : Could not complete request.") .
 353                   '</b><br>' .
 354                   _("Unknown message number in reply from server: ") .
 355                   $regs[1] . "</font><br>\n";
 356         } else {
 357              $read_list[$id2index[$regs[1]]] = $r;
 358         }
 359     }
 360     arsort($read_list);
 361
 362     $query = "$sid FETCH $msgs_str RFC822.SIZE\r\n";
 363     fputs ($imap_stream, $query);
 364     $sizesin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 365
 366     foreach ($sizesin_list as $r) {
 367         if (!eregi("^\\* ([0-9]+) FETCH", $r[0], $regs)) {
 368             set_up_language($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 response from IMAP server: ") . ' 2.';
 373             echo $r[0] . "</font><br>\n";
 374             exit;
 375         }
 376         if (!count($id2index[$regs[1]])) {
 377             set_up_language($squirrelmail_language);
 378             echo "<br><b><font color=$color[2]>\n";
 379             echo _("ERROR : Could not complete request.");
 380             echo "</b><br>\n";
 381             echo _("Unknown messagenumber in reply from server: ");
 382             echo $regs[1] . "</font><br>\n";
 383             exit;
 384         }
 385         $sizes_list[$id2index[$regs[1]]] = $r;
 386     }
 387     arsort($sizes_list);
 388
 389     for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
 390         $subject = _("(no subject)");
 391         $from = _("Unknown Sender");
 392         $priority = 0;
 393         $messageid = "<>";
 394         $cc = "";
 395         $to = "";
 396         $date = "";
 397         $type[0] = "";
 398         $type[1] = "";
 399         $inrepto = "";
 400         $read = $read_list[$msgi];
 401
 402         $prevline = false;
 403         foreach ($read as $read_part) {
 404             //unfold multi-line headers
 405             while ($prevline && strspn($read_part, "\t ") > 0) {
 406                $read_part = substr($prevline, 0, -2) . ' ' . ltrim($read_part);
 407             }
 408             $prevline = $read_part;
 409             if (eregi ("^to:(.*)$", $read_part, $regs)) {
 410                 $to = $regs[1];
 411             } else if (eregi ("^from:(.*)$", $read_part, $regs)) {
 412                 $from = $regs[1];
 413             } else if (eregi ("^x-priority:(.*)$", $read_part, $regs)) {
 414                 $priority = trim($regs[1]);
 415             } else if (eregi ("^message-id:(.*)$", $read_part, $regs)) {
 416                 $messageid = trim($regs[1]);
 417             } else if (eregi ("^cc:(.*)$", $read_part, $regs)) {
 418                 $cc = $regs[1];
 419             } else if (eregi ("^date:(.*)$", $read_part, $regs)) {
 420                 $date = $regs[1];
 421             } else if (eregi ("^subject:(.*)$", $read_part, $regs)) {
 422                 $subject = htmlspecialchars(trim($regs[1]));
 423                 if ($subject == "") {
 424                     $subject = _("(no subject)");
 425                 }
 426             } else if (eregi ("^content-type:(.*)$", $read_part, $regs)) {
 427                 $type = strtolower(trim($regs[1]));
 428                 if ($pos = strpos($type, ";")) {
 429                     $type = substr($type, 0, $pos);
 430                 }
 431                 $type = explode("/", $type);
 432                 if (!isset($type[1])) {
 433                     $type[1] = '';
 434                 }
 435             } else if (eregi ("^in-reply-to:(.*)$", $read_part, $regs)) {
 436                 $inrepto = trim($regs[1]);
 437             }
 438         }
 439         $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 440         if (trim($date) == "" || $internaldate) {
 441             fputs($imap_stream, "$sid FETCH $msg_list[$msgi] INTERNALDATE\r\n");
 442             $readdate = sqimap_read_data($imap_stream, $sid, true, $response, $message);
 443             if (eregi(".*INTERNALDATE \"(.*)\".*", $readdate[0], $regs)) {
 444                 $date_list = explode(' ', trim($regs[1]));
 445                 $date_list[0] = str_replace("-", ' ', $date_list[0]);
 446                 $date = implode(' ', $date_list);
 447             }
 448         }
 449         eregi("([0-9]+)[^0-9]*$", $sizes_list[$msgi][0], $regs);
 450         $size = $regs[1];
 451
 452         $header = new small_header;
 453         if ($issent) {
 454             $header->from = (trim($to) != '' ? $to : '(' ._("No To Address") . ')');
 455         } else {
 456             $header->from = $from;
 457         }
 458
 459         $header->date = $date;
 460         $header->subject = $subject;
 461         $header->to = $to;
 462         $header->priority = $priority;
 463         $header->message_id = $messageid;
 464         $header->cc = $cc;
 465         $header->size = $size;
 466         $header->type0 = $type[0];
 467         $header->type1 = $type[1];
 468                 $header->inrepto = $inrepto;
 469         $result[] = $header;
 470     }
 471     return $result;
 472 }
 473
 474 /* Returns the flags for the specified messages */
 475 function sqimap_get_flags ($imap_stream, $i) {
 476     $read = sqimap_run_command ($imap_stream, "FETCH $i:$i FLAGS", true, $response, $message);
 477     if (ereg('FLAGS(.*)', $read[0], $regs)) {
 478         return explode(' ', trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
 479     }
 480     return array('None');
 481 }
 482
 483 function sqimap_get_flags_list ($imap_stream, $msg_list) {
 484     $msgs_str = sqimap_message_list_squisher($msg_list);
 485     for ($i = 0; $i < sizeof($msg_list); $i++) {
 486         $id2index[$msg_list[$i]] = $i;
 487     }
 488     $result_list = sqimap_run_command_list ($imap_stream, "FETCH $msgs_str FLAGS", true, $response, $message);
 489     $result_flags = array();
 490
 491     for ($i = 0; $i < sizeof($result_list); $i++) {
 492         if (eregi('^\* ([0-9]+).*FETCH.*FLAGS(.*)', $result_list[$i][0], $regs)
 493           && isset($id2index[$regs[1]]) && count($id2index[$regs[1]])) {
 494             $result_flags[$id2index[$regs[1]]] = explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[2])));
 495         } else {
 496             set_up_language($squirrelmail_language);
 497             echo "<br><b><font color=$color[2]>\n" .
 498                  _("ERROR : Could not complete request.") .
 499                  "</b><br>\n" .
 500                  _("Unknown response from IMAP server: ") .
 501                  $result_list[$i][0] . "</font><br>\n";
 502             exit;
 503         }
 504     }
 505     arsort($result_flags);
 506     return $result_flags;
 507 }
 508
 509 /*
 510  * Returns a message array with all the information about a message.
 511  * See the documentation folder for more information about this array.
 512  */
 513 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 514     $header = sqimap_get_message_header($imap_stream, $id, $mailbox);
 515     return sqimap_get_message_body($imap_stream, $header);
 516 }
 517
 518 /* Wrapper function that reformats the header information. */
 519 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 520     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[HEADER]", true, $response, $message);
 521     $header = sqimap_get_header($imap_stream, $read);
 522     $header->id = $id;
 523     $header->mailbox = $mailbox;
 524     return $header;
 525 }
 526
 527 /* Wrapper function that reformats the entity header information. */
 528 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 529     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.HEADER]", true, $response, $message);
 530     $header = sqimap_get_header($imap_stream, $read);
 531     $header->id = $id;
 532     $header->mailbox = $mailbox;
 533     return $header;
 534 }
 535
 536
 537 /* Wrapper function that returns entity headers for use by decodeMime */
 538 /*
 539 function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
 540     $header = sqimap_get_header($imap_stream, $read);
 541     $type0 = $header["TYPE0"];
 542     $type1 = $header["TYPE1"];
 543     $bound = $header["BOUNDARY"];
 544     $encoding = $header["ENCODING"];
 545     $charset = $header["CHARSET"];
 546     $filename = $header["FILENAME"];
 547 }
 548 */
 549 /* Queries the IMAP server and gets all header information. */
 550 function sqimap_get_header ($imap_stream, $read) {
 551     global $where, $what;
 552
 553     $hdr = new msg_header();
 554     $i = 0;
 555
 556     /* Set up some defaults */
 557     $hdr->type0 = "text";
 558     $hdr->type1 = "plain";
 559     $hdr->charset = "us-ascii";
 560
 561     while ($i < count($read)) {
 562         //unfold multi-line headers
 563         while ($i + 1 < count($read) && strspn($read[$i + 1], "\t ") > 0) {
 564             $read[$i + 1] = substr($read[$i], 0, -2) . ' ' . ltrim($read[$i + 1]);
 565             array_splice($read, $i, 1);
 566         }
 567
 568         if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
 569             $hdr->mime = true;
 570             $i++;
 571         }
 572         /* ENCODING TYPE */
 573         else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
 574             $hdr->encoding = strtolower(trim(substr($read[$i], 26)));
 575             $i++;
 576         }
 577         /* CONTENT-TYPE */
 578         else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
 579             $cont = strtolower(trim(substr($read[$i], 13)));
 580             if (strpos($cont, ";")) {
 581                 $cont = substr($cont, 0, strpos($cont, ";"));
 582             }
 583
 584             if (strpos($cont, "/")) {
 585                 $hdr->type0 = substr($cont, 0, strpos($cont, "/"));
 586                 $hdr->type1 = substr($cont, strpos($cont, "/")+1);
 587             } else {
 588                 $hdr->type0 = $cont;
 589             }
 590
 591             $line = $read[$i];
 592             $i++;
 593             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 594                 str_replace("\n", "", $line);
 595                 str_replace("\n", "", $read[$i]);
 596                 $line = "$line $read[$i]";
 597                 $i++;
 598             }
 599
 600             /* Detect the boundary of a multipart message */
 601             if (eregi('boundary="([^"]+)"', $line, $regs)) {
 602                 $hdr->boundary = $regs[1];
 603             }
 604
 605             /* Detect the charset */
 606             if (strpos(strtolower(trim($line)), "charset=")) {
 607                 $pos = strpos($line, "charset=") + 8;
 608                 $charset = trim($line);
 609                 if (strpos($line, ";", $pos) > 0) {
 610                     $charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
 611                 } else {
 612                     $charset = substr($charset, $pos);
 613                 }
 614                 $charset = str_replace("\"", "", $charset);
 615                 $hdr->charset = $charset;
 616             } else {
 617                 $hdr->charset = "us-ascii";
 618             }
 619             /* Detect type in case of multipart/related */
 620             if (strpos(strtolower(trim($line)), "type=")) {
 621                 $pos = strpos($line, "type=") + 6;
 622                 $type = trim($line);
 623                 if (strpos($line, ";", $pos) > 0) {
 624                     $type = substr($type, $pos, strpos($line, ";", $pos)-$pos);
 625                 } else {
 626                     $type = substr($type, $pos);
 627                 }
 628                 $hdr->type = $type;
 629             }
 630         }
 631         else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
 632             /* Add better content-disposition support */
 633             $line = $read[$i];
 634             $i++;
 635             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 636                 str_replace("\n", "", $line);
 637                 str_replace("\n", "", $read[$i]);
 638                 $line = "$line $read[$i]";
 639                 $i++;
 640             }
 641
 642             /* Detects filename if any */
 643             if (strpos(strtolower(trim($line)), "filename=")) {
 644                 $pos = strpos($line, "filename=") + 9;
 645                 $name = trim($line);
 646                 if (strpos($line, " ", $pos) > 0) {
 647                     $name = substr($name, $pos, strpos($line, " ", $pos));
 648                 } else {
 649                     $name = substr($name, $pos);
 650                 }
 651                 $name = str_replace("\"", "", $name);
 652                 $hdr->filename = $name;
 653             }
 654         }
 655         /* REPLY-TO */
 656         else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
 657             $hdr->replyto = trim(substr($read[$i], 9, strlen($read[$i])));
 658             $i++;
 659         }
 660         /* FROM */
 661         else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
 662             $hdr->from = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
 663             if (! isset($hdr->replyto) || $hdr->replyto == "") {
 664                 $hdr->replyto = $hdr->from;
 665             }
 666             $i++;
 667         }
 668         /* DATE */
 669         else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
 670             $d = substr($read[$i], 5);
 671             $d = trim($d);
 672             $d = strtr($d, array('  ' => ' '));
 673             $d = explode(' ', $d);
 674             $hdr->date = getTimeStamp($d);
 675             $i++;
 676         }
 677         /* SUBJECT */
 678         else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
 679             $hdr->subject = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
 680             if (strlen(Chop($hdr->subject)) == 0) {
 681                $hdr->subject = _("(no subject)");
 682             }
 683             /*
 684             if ($where == 'SUBJECT') {
 685                  $hdr->subject = $what;
 686                  // $hdr->subject = eregi_replace($what, "<b>\\0</b>", $hdr->subject);
 687             }
 688             */
 689             $i++;
 690         }
 691         /* CC */
 692         else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
 693             $pos = 0;
 694             $hdr->cc[$pos] = trim(substr($read[$i], 4));
 695             $i++;
 696             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 697                 $pos++;
 698                 $hdr->cc[$pos] = trim($read[$i]);
 699                 $i++;
 700             }
 701         }
 702         /* BCC */
 703         else if (strtolower(substr($read[$i], 0, 4)) == "bcc:") {
 704             $pos = 0;
 705             $hdr->bcc[$pos] = trim(substr($read[$i], 5));
 706             $i++;
 707             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 708                 $pos++;
 709                 $hdr->bcc[$pos] = trim($read[$i]);
 710                 $i++;
 711             }
 712         }
 713         /* TO */
 714         else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
 715             $pos = 0;
 716             $hdr->to[$pos] = trim(substr($read[$i], 4));
 717             $i++;
 718             while (((substr($read[$i], 0, 1) == " ") || (substr($read[$i], 0, 1) == "\t"))  && (trim($read[$i]) != "")){
 719                 $pos++;
 720                 $hdr->to[$pos] = trim($read[$i]);
 721                 $i++;
 722             }
 723         }
 724         /* MESSAGE ID */
 725         else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
 726             $hdr->message_id = trim(substr($read[$i], 11));
 727             $i++;
 728         }
 729         /* ERROR CORRECTION */
 730         else if (substr($read[$i], 0, 1) == ")") {
 731             if (strlen(trim($hdr->subject)) == 0) {
 732                 $hdr->subject = _("(no subject)");
 733             }
 734             if (strlen(trim($hdr->from)) == 0) {
 735                 $hdr->from = _("(unknown sender)");
 736             }
 737             if (strlen(trim($hdr->date)) == 0) {
 738                 $hdr->date = time();
 739             }
 740             $i++;
 741         }
 742         /* X-PRIORITY */
 743         else if (strtolower(substr($read[$i], 0, 11)) == "x-priority:") {
 744             $hdr->priority = trim(substr($read[$i], 11));
 745             $i++;
 746         }
 747         else {
 748             $i++;
 749         }
 750      }
 751      return $hdr;
 752 }
 753
 754 /* Returns the body of a message. */
 755 function sqimap_get_message_body ($imap_stream, &$header) {
 756     $id = $header->id;
 757     return decodeMime($imap_stream, $header);
 758 }
 759
 760 ?>