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 = array();
 194         $spaces_total = 0;
 195         $indent = 0;
 196         $fake = FALSE;
 197         for ($k=1;$k<(count($thread_new[$i]))-1;$k++) {
 198             $chars = count_chars($thread_new[$i][$k], 1);
 199             if (isset($chars['40'])) {       /* testing for ( */
 200                 $level = $level + $chars['40'];
 201             }
 202             if (isset($chars['41'])) {      /* testing for ) */
 203                 $level = $level - $chars['41'];
 204                 $spaces[$level] = 0;
 205                 /* if we were faking lets stop, this portion
 206                    of the thread is over
 207                 */
 208                 if ($level == $cutoff) {
 209                     $fake = FALSE;
 210                 }
 211             }
 212             if (isset($chars['32'])) {      /* testing for space */
 213                 if (!isset($spaces[$level])) {
 214                     $spaces[$level] = 0;
 215                 }
 216                 $spaces[$level] = $spaces[$level] + $chars['32'];
 217             }
 218             for ($x=0;$x<=$level;$x++) {
 219                 if (isset($spaces[$x])) {
 220                     $spaces_total = $spaces_total + $spaces[$x];
 221                 }
 222             }
 223             $indent = $level + $spaces_total;
 224             /* must have run into a message that broke the thread
 225                so we are adjusting for that portion
 226             */
 227             if ($fake == TRUE) {
 228                 $indent = $indent +1;
 229             }
 230             if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
 231                 $child = $regs[1];
 232             }
 233             /* the thread must be broken if $indent == 0
 234                so indent the message once and start faking it
 235             */
 236             if ($indent == 0) {
 237                 $indent = 1;
 238                 $fake = TRUE;
 239                 $cutoff = $level;
 240             }
 241             /* dont need abs but if indent was negative
 242                errors would occur
 243             */
 244             $indent_array[$child] = abs($indent);
 245             $spaces_total = 0;
 246         }
 247     }
 248     return $indent_array;
 249 }
 250
 251
 252 /* returns an array with each element as a string
 253    representing one message thread as returned by
 254    the IMAP server
 255 */
 256
 257 function get_thread_sort ($imap_stream) {
 258     global $thread_new, $sort_by_ref, $default_charset, $server_sort_array;
 259     if (session_is_registered('thread_new')) {
 260         session_unregister('thread_new');
 261     }
 262     if (session_is_registered('server_sort_array')) {
 263         session_unregister('server_srot_array');
 264     }
 265     $sid = sqimap_session_id();
 266     $thread_temp = array ();
 267     if ($sort_by_ref == 1) {
 268         $sort_type = 'REFERENCES';
 269     }
 270     else {
 271         $sort_type = 'ORDEREDSUBJECT';
 272     }
 273     $thread_query = "$sid THREAD $sort_type ".strtoupper($default_charset)." ALL\r\n";
 274     fputs($imap_stream, $thread_query);
 275     $thread_test = sqimap_read_data($imap_stream, $sid, false, $response, $message);
 276     if (isset($thread_test[0])) {
 277         if (preg_match("/^\* THREAD (.+)$/", $thread_test[0], $regs)) {
 278             $thread_list = trim($regs[1]);
 279         }
 280     }
 281     else {
 282        $thread_list = "";
 283     }
 284     if (!preg_match("/OK/", $response)) {
 285            $server_sort_array = 'no';
 286            return $server_sort_array;
 287         }
 288     if (isset($thread_list)) {
 289         $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 290     }
 291     $char_count = count($thread_temp);
 292     $counter = 0;
 293     $thread_new = array();
 294     $k = 0;
 295     $thread_new[0] = "";
 296     for ($i=0;$i<$char_count;$i++) {
 297             if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
 298                     $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
 299             }
 300             elseif ($thread_temp[$i] == '(') {
 301                     $thread_new[$k] .= $thread_temp[$i];
 302                     $counter++;
 303             }
 304             elseif ($thread_temp[$i] == ')') {
 305                     if ($counter > 1) {
 306                             $thread_new[$k] .= $thread_temp[$i];
 307                             $counter = $counter - 1;
 308                     }
 309                     else {
 310                             $thread_new[$k] .= $thread_temp[$i];
 311                             $k++;
 312                             $thread_new[$k] = "";
 313                             $counter = $counter - 1;
 314                     }
 315             }
 316     }
 317     session_register('thread_new');
 318     $thread_new = array_reverse($thread_new);
 319     $thread_list = implode(" ", $thread_new);
 320     $thread_list = str_replace("(", " ", $thread_list);
 321     $thread_list = str_replace(")", " ", $thread_list);
 322     $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
 323     $server_sort_array = $thread_list;
 324     session_register('server_sort_array');
 325     return $thread_list;
 326 }
 327
 328 function elapsedTime($start) {
 329  $stop = gettimeofday();
 330  $timepassed =  1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec'];
 331  return $timepassed;
 332 }
 333
 334
 335 function sqimap_get_small_header_list ($imap_stream, $msg_list, $issent) {
 336     global $squirrelmail_language, $color, $data_dir, $username, $imap_server_type;
 337     $start = gettimeofday();
 338     /* Get the small headers for each message in $msg_list */
 339     $sid = sqimap_session_id();
 340     $maxmsg = sizeof($msg_list);
 341     $msgs_str = sqimap_message_list_squisher($msg_list);
 342     $results = array();
 343     $read_list = array();
 344     /*
 345      * We need to return the data in the same order as the caller supplied
 346      * in $msg_list, but IMAP servers are free to return responses in
 347      * whatever order they wish... So we need to re-sort manually
 348      */
 349     for ($i = 0; $i < sizeof($msg_list); $i++) {
 350         $id2index[$msg_list[$i]] = $i;
 351     }
 352
 353     $internaldate = getPref($data_dir, $username, 'internal_date_sort');
 354     if ($internaldate) {
 355         $query = "$sid FETCH $msgs_str (FLAGS RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject X-Priority Content-Type)])\r\n";
 356     } else {
 357         $query = "$sid FETCH $msgs_str (FLAGS RFC822.SIZE BODY.PEEK[HEADER.FIELDS (Date To From Cc Subject X-Priority Content-Type)])\r\n";
 358     }
 359     fputs ($imap_stream, $query);
 360     $readin_list = sqimap_read_data_list($imap_stream, $sid, true, $response, $message);
 361
 362     foreach ($readin_list as $r) {
 363         if (!preg_match("/^\\*\s+([0-9]+)\s+FETCH/iAU",$r[0], $regs)) {
 364             set_up_language($squirrelmail_language);
 365             echo '<br><b><font color=$color[2]>' .
 366                   _("ERROR : Could not complete request.") .
 367                   '</b><br>' .
 368                   _("Unknown response from IMAP server: ") . ' 1.' .
 369                   $r[0] . "</font><br>\n";
 370
 371         } else  if (! isset($id2index[$regs[1]]) || !count($id2index[$regs[1]])) {
 372              set_up_language($squirrelmail_language);
 373              echo '<br><b><font color=$color[2]>' .
 374                   _("ERROR : Could not complete request.") .
 375                   '</b><br>' .
 376                   _("Unknown message number in reply from server: ") .
 377                   $regs[1] . "</font><br>\n";
 378         } else {
 379             $read_list[$id2index[$regs[1]]] = $r;
 380         }
 381     }
 382     arsort($read_list);
 383
 384     $patterns = array (
 385                         "/^To:(.*)\$/AU",
 386                         "/^From:(.*)\$/AU",
 387                         "/^X-Priority:(.*)\$/AU",
 388                         "/^Cc:(.*)\$/AU",
 389                         "/^Date:(.*)\$/AU",
 390                         "/^Subject:(.*)\$/AU",
 391                         "/^Content-Type:(.*)\$/AU"
 392                 );
 393     $regpattern = '';
 394
 395     for ($msgi = 0; $msgi < $maxmsg; $msgi++) {
 396         $subject = _("(no subject)");
 397         $from = _("Unknown Sender");
 398         $priority = 0;
 399         $messageid = "<>";
 400         $cc = "";
 401         $to = "";
 402         $date = "";
 403         $type[0] = "";
 404         $type[1] = "";
 405         $inrepto = "";
 406         $flag_seen = false;
 407         $flag_answered = false;
 408         $flag_deleted = false;
 409         $flag_flagged = false;
 410         $read = $read_list[$msgi];
 411         $prevline = false;
 412
 413         foreach ($read as $read_part) {
 414             //unfold multi-line headers
 415             while ($prevline && strspn($read_part, "\t ") > 0) {
 416                $read_part = substr($prevline, 0, -2) . ' ' . ltrim($read_part);
 417             }
 418             $prev_line = $read_part;
 419
 420             if ($read_part{0} == '*') {
 421                 if ($internaldate) {
 422                     if (preg_match ("/^.+INTERNALDATE\s+\"(.+)\".+/iUA",$read_part, $reg)) {
 423                         $tmpdate = trim($reg[1]);
 424                         $tmpdate = str_replace('  ',' ',$tmpdate);
 425                         $tmpdate = explode(' ',$tmpdate);
 426                         $date = str_replace('-',' ',$tmpdate[0]) . " " .
 427                                 $tmpdate[1] . " " .
 428                                 $tmpdate[2];
 429                     }
 430                 }
 431                 if (preg_match ("/^.+RFC822.SIZE\s+(\d+).+/iA",$read_part, $reg)) {
 432                     $size = $reg[1];
 433                 }
 434                 if (preg_match("/^.+FLAGS\s+\((.*)\).+/iUA", $read_part, $regs)) {
 435                     $flags = explode(' ',trim($regs[1]));
 436                     foreach ($flags as $flag) {
 437                         $flag = strtolower($flag);
 438                         if ($flag == '\\seen') {
 439                             $flag_seen = true;
 440                         } else if ($flag == '\\answered') {
 441                             $flag_answered = true;
 442                         } else if ($flag == '\\deleted') {
 443                             $flag_deleted = true;
 444                         } else if ($flag == '\\flagged') {
 445                             $flag_flagged = true;
 446                         }
 447                     }
 448                 }
 449             } else {
 450                 $firstchar = $read_part{0};
 451                 if ($firstchar == 'T') {
 452                     $regpattern = $patterns[0];
 453                     $id = 1;
 454                 } else if ($firstchar == 'F') {
 455                     $regpattern = $patterns[1];
 456                     $id = 2;
 457                 } else if ($firstchar == 'X') {
 458                     $regpattern = $patterns[2];
 459                     $id = 3;
 460                 } else if ($firstchar == 'C') {
 461                     if (strtolower($read_part{1}) == 'c') {
 462                         $regpattern = $patterns[3];
 463                         $id = 4;
 464                     } else if (strtolower($read_part{1}) == 'o') {
 465                         $regpattern = $patterns[6];
 466                         $id = 7;
 467                     }
 468                 } else if ($firstchar == 'D' && !$internaldate ) {
 469                     $regpattern = $patterns[4];
 470                     $id = 5;
 471                 } else if ($firstchar == 'S') {
 472                     $regpattern = $patterns[5];
 473                     $id = 6;
 474                 } else $regpattern = '';
 475
 476                 if ($regpattern) {
 477                     if (preg_match ($regpattern, $read_part, $regs)) {
 478                         switch ($id) {
 479                             case 1:
 480                               $to = $regs[1];
 481                               break;
 482                             case 2:
 483                               $from = $regs[1];
 484                               break;
 485                             case 3:
 486                               $priority = $regs[1];
 487                               break;
 488                             case 4:
 489                               $cc = $regs[1];
 490                               break;
 491                             case 5:
 492                               $date = $regs[1];
 493                               break;
 494                             case 6:
 495                               $subject = htmlspecialchars(trim($regs[1]));
 496                               if ($subject == "") {
 497                                 $subject = _("(no subject)");
 498                               }
 499                               break;
 500                             case 7:
 501                               $type = strtolower(trim($regs[1]));
 502                               if ($pos = strpos($type, ";")) {
 503                                  $type = substr($type, 0, $pos);
 504                               }
 505                               $type = explode("/", $type);
 506                               if (!isset($type[1])) {
 507                                   $type[1] = '';
 508                               }
 509                               break;
 510                             default:
 511                               break;
 512                         }
 513                     }
 514                 }
 515             }
 516
 517         }
 518         $header = new small_header;
 519         if ($issent) {
 520             $header->from = (trim($to) != '' ? $to : '(' ._("No To Address") . ')');
 521         } else {
 522             $header->from = $from;
 523         }
 524
 525         $header->date = $date;
 526         $header->subject = $subject;
 527         $header->to = $to;
 528         $header->priority = $priority;
 529         $header->message_id = $messageid;
 530         $header->cc = $cc;
 531         $header->size = $size;
 532         $header->type0 = $type[0];
 533         $header->type1 = $type[1];
 534         $header->flag_seen = $flag_seen;
 535         $header->flag_answered = $flag_answered;
 536         $header->flag_deleted = $flag_deleted;
 537         $header->flag_flagged = $flag_flagged;
 538         $header->inrepto = $inrepto;
 539         $result[] = $header;
 540     }
 541 //    echo 'processtime (us): ' . elapsedtime($start) .'<BR>';
 542     return $result;
 543 }
 544
 545
 546
 547
 548 /* Returns the flags for the specified messages */
 549 function sqimap_get_flags ($imap_stream, $i) {
 550     $read = sqimap_run_command ($imap_stream, "FETCH $i:$i FLAGS", true, $response, $message);
 551     if (ereg('FLAGS(.*)', $read[0], $regs)) {
 552         return explode(' ', trim(ereg_replace('[\\(\\)\\\\]', '', $regs[1])));
 553     }
 554     return array('None');
 555 }
 556
 557 function sqimap_get_flags_list ($imap_stream, $msg_list) {
 558     $msgs_str = sqimap_message_list_squisher($msg_list);
 559     for ($i = 0; $i < sizeof($msg_list); $i++) {
 560         $id2index[$msg_list[$i]] = $i;
 561     }
 562     $result_list = sqimap_run_command_list ($imap_stream, "FETCH $msgs_str FLAGS", true, $response, $message);
 563     $result_flags = array();
 564
 565     for ($i = 0; $i < sizeof($result_list); $i++) {
 566         if (eregi('^\* ([0-9]+).*FETCH.*FLAGS(.*)', $result_list[$i][0], $regs)
 567           && isset($id2index[$regs[1]]) && count($id2index[$regs[1]])) {
 568             $result_flags[$id2index[$regs[1]]] = explode(" ", trim(ereg_replace('[\\(\\)\\\\]', '', $regs[2])));
 569         } else {
 570             set_up_language($squirrelmail_language);
 571             echo "<br><b><font color=$color[2]>\n" .
 572                  _("ERROR : Could not complete request.") .
 573                  "</b><br>\n" .
 574                  _("Unknown response from IMAP server: ") .
 575                  $result_list[$i][0] . "</font><br>\n";
 576             exit;
 577         }
 578     }
 579     arsort($result_flags);
 580     return $result_flags;
 581 }
 582
 583 /*
 584  * Returns a message array with all the information about a message.
 585  * See the documentation folder for more information about this array.
 586  */
 587 function sqimap_get_message ($imap_stream, $id, $mailbox) {
 588     $header = sqimap_get_message_header($imap_stream, $id, $mailbox);
 589     return sqimap_get_message_body($imap_stream, $header);
 590 }
 591
 592 /* Wrapper function that reformats the header information. */
 593 function sqimap_get_message_header ($imap_stream, $id, $mailbox) {
 594     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[HEADER]", true, $response, $message);
 595     $header = sqimap_get_header($imap_stream, $read);
 596     $header->id = $id;
 597     $header->mailbox = $mailbox;
 598     return $header;
 599 }
 600
 601 /* Wrapper function that reformats the entity header information. */
 602 function sqimap_get_ent_header ($imap_stream, $id, $mailbox, $ent) {
 603     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.HEADER]", true, $response, $message);
 604     $header = sqimap_get_header($imap_stream, $read);
 605     $header->id = $id;
 606     $header->mailbox = $mailbox;
 607     return $header;
 608 }
 609
 610
 611 /* Wrapper function that returns entity headers for use by decodeMime */
 612 /*
 613 function sqimap_get_entity_header ($imap_stream, &$read, &$type0, &$type1, &$bound, &$encoding, &$charset, &$filename) {
 614     $header = sqimap_get_header($imap_stream, $read);
 615     $type0 = $header["TYPE0"];
 616     $type1 = $header["TYPE1"];
 617     $bound = $header["BOUNDARY"];
 618     $encoding = $header["ENCODING"];
 619     $charset = $header["CHARSET"];
 620     $filename = $header["FILENAME"];
 621 }
 622
 623 /* function to get the mime headers */
 624 function sqimap_get_mime_ent_header ($imap_stream, $id, $mailbox, $ent) {
 625     $read = sqimap_run_command ($imap_stream, "FETCH $id:$id BODY[$ent.MIME]", true, $response, $message);
 626     $header = sqimap_get_header($imap_stream, $read);
 627     $header->id = $id;
 628     $header->mailbox = $mailbox;
 629     return $header;
 630 }
 631
 632
 633 /* Queries the IMAP server and gets all header information. */
 634 function sqimap_get_header ($imap_stream, $read) {
 635     global $where, $what;
 636
 637     $hdr = new msg_header();
 638     $i = 0;
 639
 640     /* Set up some defaults */
 641     $hdr->type0 = "text";
 642     $hdr->type1 = "plain";
 643     $hdr->charset = "us-ascii";
 644
 645     $read_fold = array();
 646
 647     while ($i < count($read)) {
 648         /* unfold multi-line headers */
 649         /* remember line for to, cc and bcc */
 650         $read_fold[] = $read[$i];
 651         $folded = false;
 652         while (($i + 1 < count($read)) && (strspn($read[$i + 1], "\t ") > 0) ) {
 653             if ($read[$i+1] != '') $read_fold[] = $read[$i+1];
 654             $read[$i + 1] = substr($read[$i], 0, -2) . ' ' . ltrim($read[$i+1]);
 655             array_splice($read, $i, 1);
 656             $folded = true;
 657         }
 658         if (!$folded) {
 659             $read_fold = array();
 660         }
 661
 662         if (substr($read[$i], 0, 17) == "MIME-Version: 1.0") {
 663             $hdr->mime = true;
 664             $i++;
 665         }
 666         /* ENCODING TYPE */
 667         else if (substr(strtolower($read[$i]), 0, 26) == "content-transfer-encoding:") {
 668             $hdr->encoding = strtolower(trim(substr($read[$i], 26)));
 669             $i++;
 670         }
 671         /* CONTENT-TYPE */
 672         else if (strtolower(substr($read[$i], 0, 13)) == "content-type:") {
 673             $cont = strtolower(trim(substr($read[$i], 13)));
 674             if (strpos($cont, ";")) {
 675                 $cont = substr($cont, 0, strpos($cont, ";"));
 676             }
 677
 678             if (strpos($cont, "/")) {
 679                 $hdr->type0 = substr($cont, 0, strpos($cont, "/"));
 680                 $hdr->type1 = substr($cont, strpos($cont, "/")+1);
 681             } else {
 682                 $hdr->type0 = $cont;
 683             }
 684
 685             $line = $read[$i];
 686             $i++;
 687             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 688                 str_replace("\n", "", $line);
 689                 str_replace("\n", "", $read[$i]);
 690                 $line = "$line $read[$i]";
 691                 $i++;
 692             }
 693
 694             /* Detect the boundary of a multipart message */
 695             if (eregi('boundary="([^"]+)"', $line, $regs)) {
 696                 $hdr->boundary = $regs[1];
 697             }
 698
 699             /* Detect the charset */
 700             if (strpos(strtolower(trim($line)), "charset=")) {
 701                 $pos = strpos($line, "charset=") + 8;
 702                 $charset = trim($line);
 703                 if (strpos($line, ";", $pos) > 0) {
 704                     $charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
 705                 } else {
 706                     $charset = substr($charset, $pos);
 707                 }
 708                 $charset = str_replace("\"", "", $charset);
 709                 $hdr->charset = $charset;
 710             } else {
 711                 $hdr->charset = "us-ascii";
 712             }
 713             /* Detect type in case of multipart/related */
 714             if (strpos(strtolower(trim($line)), "type=")) {
 715                 $pos = strpos($line, "type=") + 6;
 716                 $type = trim($line);
 717                 if (strpos($line, ";", $pos) > 0) {
 718                     $type = substr($type, $pos, strpos($line, ";", $pos)-$pos);
 719                 } else {
 720                     $type = substr($type, $pos);
 721                 }
 722                 $hdr->type = $type;
 723             }
 724         }
 725         else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") {
 726             /* Add better content-disposition support */
 727             $line = $read[$i];
 728             $i++;
 729             while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) {
 730                 str_replace("\n", "", $line);
 731                 str_replace("\n", "", $read[$i]);
 732                 $line = "$line $read[$i]";
 733                 $i++;
 734             }
 735
 736             /* Detects filename if any */
 737             if (strpos(strtolower(trim($line)), "filename=")) {
 738                 $pos = strpos($line, "filename=") + 9;
 739                 $name = trim($line);
 740                 if (strpos($line, " ", $pos) > 0) {
 741                     $name = substr($name, $pos, strpos($line, " ", $pos));
 742                 } else {
 743                     $name = substr($name, $pos);
 744                 }
 745                 $name = str_replace("\"", "", $name);
 746                 $hdr->filename = $name;
 747             }
 748         }
 749         /* REPLY-TO */
 750         else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") {
 751             $hdr->replyto = trim(substr($read[$i], 9, strlen($read[$i])));
 752             $i++;
 753         }
 754         /* FROM */
 755         else if (strtolower(substr($read[$i], 0, 5)) == "from:") {
 756             $hdr->from = trim(substr($read[$i], 5, strlen($read[$i]) - 6));
 757             if (! isset($hdr->replyto) || $hdr->replyto == "") {
 758                 $hdr->replyto = $hdr->from;
 759             }
 760             $i++;
 761         }
 762         /* DATE */
 763         else if (strtolower(substr($read[$i], 0, 5)) == "date:") {
 764             $d = substr($read[$i], 5);
 765             $d = trim($d);
 766             $d = strtr($d, array('  ' => ' '));
 767             $d = explode(' ', $d);
 768             $hdr->date = getTimeStamp($d);
 769             $i++;
 770         }
 771         /* SUBJECT */
 772         else if (strtolower(substr($read[$i], 0, 8)) == "subject:") {
 773             $hdr->subject = trim(substr($read[$i], 8, strlen($read[$i]) - 9));
 774             if (strlen(Chop($hdr->subject)) == 0) {
 775                $hdr->subject = _("(no subject)");
 776             }
 777             /*
 778             if ($where == 'SUBJECT') {
 779                  $hdr->subject = $what;
 780                  // $hdr->subject = eregi_replace($what, "<b>\\0</b>", $hdr->subject);
 781             }
 782             */
 783             $i++;
 784         }
 785         /* CC */
 786         else if (strtolower(substr($read[$i], 0, 3)) == "cc:") {
 787             $pos = 0;
 788             if (isset($read_fold[0])) {
 789                 $hdr->cc[$pos] = trim(substr($read_fold[0], 4));
 790                 $pos++;
 791                 while ($pos < count($read_fold)) {
 792                     $hdr->cc[$pos] = trim($read_fold[$pos]);
 793                     $pos++;
 794                 }
 795             } else {
 796                 $hdr->cc[$pos] = trim(substr($read[$i], 4));
 797             }
 798             $i++;
 799         }
 800         /* BCC */
 801         else if (strtolower(substr($read[$i], 0, 4)) == "bcc:") {
 802             $pos = 0;
 803             if (isset($read_fold[0])) {
 804                 $hdr->bcc[$pos] = trim(substr($read_fold[0], 5));
 805                 $pos++;
 806                 while ($pos < count($read_fold)) {
 807                     $hdr->bcc[$pos] = trim($read_fold[$pos]);
 808                     $pos++;
 809                 }
 810             } else {
 811                 $hdr->bcc[$pos] = trim(substr($read[$i], 5));
 812             }
 813             $i++;
 814         }
 815         /* TO */
 816         else if (strtolower(substr($read[$i], 0, 3)) == "to:") {
 817             $pos = 0;
 818             if (isset($read_fold[0])) {
 819                 $hdr->to[$pos] = trim(substr($read_fold[0], 4));
 820                 $pos++;
 821                 while ($pos < count($read_fold)) {
 822                     $hdr->to[$pos] = trim($read_fold[$pos]);
 823                     $pos++;
 824                 }
 825             } else {
 826                 $hdr->to[$pos] = trim(substr($read[$i], 4));
 827             }
 828             $i++;
 829
 830         }
 831         /* MESSAGE ID */
 832         else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") {
 833             $hdr->message_id = trim(substr($read[$i], 11));
 834             $i++;
 835         }
 836         /* ERROR CORRECTION */
 837         else if (substr($read[$i], 0, 1) == ")") {
 838             if (strlen(trim($hdr->subject)) == 0) {
 839                 $hdr->subject = _("(no subject)");
 840             }
 841             if (strlen(trim($hdr->from)) == 0) {
 842                 $hdr->from = _("(unknown sender)");
 843             }
 844             if (strlen(trim($hdr->date)) == 0) {
 845                 $hdr->date = time();
 846             }
 847             $i++;
 848         }
 849         /* X-PRIORITY */
 850         else if (strtolower(substr($read[$i], 0, 11)) == "x-priority:") {
 851             $hdr->priority = trim(substr($read[$i], 11));
 852             $i++;
 853         }
 854         else {
 855             $i++;
 856         }
 857         $read_fold=array();
 858      }
 859      return $hdr;
 860 }
 861
 862 /* Returns the body of a message. */
 863 function sqimap_get_message_body ($imap_stream, &$header) {
 864     $id = $header->id;
 865     return decodeMime($imap_stream, $header);
 866 }
 867
 868 ?>