functions/mailbox_display.php

   1 <?php
   2
   3 /**
   4  * mailbox_display.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 contains functions that display mailbox information, such as the
  10  * table row that has sender, date, subject, etc...
  11  *
  12  * $Id$
  13  */
  14
  15 require_once('../functions/strings.php');
  16 require_once('../functions/html.php');
  17 require_once('../class/html.class');
  18 require_once('../functions/imap_utf7_decode_local.php');
  19
  20 /* Default value for page_selector_max. */
  21 define('PG_SEL_MAX', 10);
  22
  23 function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort,
  24                           $start_msg, $where, $what){
  25     global $checkall,
  26            $color, $msgs, $msort,
  27            $sent_folder, $draft_folder,
  28            $default_use_priority,
  29            $message_highlight_list,
  30            $index_order,
  31            $indent_array,   /* indent subject by */
  32            $pos,            /* Search postion (if any)  */
  33            $thread_sort_messages, /* thread sorting on/off */
  34            $server_sort_order, /* sort value when using server-sorting */
  35            $row_count,
  36            $allow_server_sort; /* enable/disable server-side sorting */
  37            $color_string = $color[4];
  38
  39     if ($GLOBALS['alt_index_colors']) {
  40         if (!isset($row_count)) {
  41             $row_count = 0;
  42         }
  43         $row_count++;
  44         if ($row_count % 2) {
  45             if (!isset($color[12])) {
  46                 $color[12] = '#EAEAEA';
  47             }
  48             $color_string = $color[12];
  49         }
  50     }
  51     $msg = $msgs[$key];
  52
  53     /*
  54     * This is done in case you're looking into Sent folders,
  55     * because you can have multiple receivers.
  56     */
  57     $senderNames = explode(',', $msg['FROM']);
  58     $senderName = '';
  59     if (sizeof($senderNames)){
  60         foreach ($senderNames as $senderNames_part) {
  61             if ($senderName != '') {
  62                 $senderName .= ', ';
  63             }
  64             $senderName .= sqimap_find_displayable_name($senderNames_part);
  65         }
  66     }
  67
  68     if( $mailbox == 'None' ) {
  69         $boxes = sqimap_mailbox_list($imapConnection);
  70         $mailbox = $boxes[0]['unformatted'];
  71         unset( $boxes );
  72     }
  73     $urlMailbox = urlencode($mailbox);
  74     $subject = processSubject($msg['SUBJECT']);
  75
  76     echo html_tag( 'tr' ) . "\n";
  77
  78     if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
  79         $flag = "<font color=\"$color[2]\">";
  80         $flag_end = '</font>';
  81     } else {
  82         $flag = '';
  83         $flag_end = '';
  84     }
  85     if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
  86         $bold = '<b>';
  87         $bold_end = '</b>';
  88     } else {
  89         $bold = '';
  90         $bold_end = '';
  91     }
  92     if (handleAsSent($mailbox)) {
  93         $italic = '<i>';
  94         $italic_end = '</i>';
  95     } else {
  96         $italic = '';
  97         $italic_end = '';
  98     }
  99     if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 100         $fontstr = "<font color=\"$color[9]\">";
 101         $fontstr_end = '</font>';
 102     } else {
 103         $fontstr = '';
 104         $fontstr_end = '';
 105     }
 106
 107     /**
 108     * AAAAH! Make my eyes stop bleeding!
 109     * Who wrote this?!
 110     */
 111     if (sizeof($message_highlight_list)){
 112         foreach ($message_highlight_list as $message_highlight_list_part) {
 113             if (trim($message_highlight_list_part['value']) != '') {
 114                 if ($message_highlight_list_part['match_type'] == 'to_cc') {
 115                     if (strstr('^^' . strtolower($msg['TO']),
 116                     strtolower($message_highlight_list_part['value']))
 117                     || strstr('^^'.strtolower($msg['CC']),
 118                     strtolower($message_highlight_list_part['value']))) {
 119                         $hlt_color = $message_highlight_list_part['color'];
 120                         continue;
 121                     }
 122                 } else
 123                 if (strstr('^^' . strtolower($msg[strtoupper($message_highlight_list_part['match_type'])]),
 124                 strtolower($message_highlight_list_part['value']))) {
 125                     $hlt_color = $message_highlight_list_part['color'];
 126                     continue;
 127                 }
 128             }
 129         }
 130     }
 131
 132     if (!isset($hlt_color)) {
 133         $hlt_color = $color_string;
 134     }
 135
 136     if ($where && $what) {
 137         if(!isset($pos) || $pos == '') {
 138             $pos = '0';
 139         }
 140         $search_stuff = "&amp;pos=" . urlencode($pos)
 141         . "&amp;where=" . urlencode($where) . '&amp;what=' . urlencode($what);
 142     } else {
 143         $search_stuff = '';
 144     }
 145
 146     $checked = ($checkall == 1) ? ' checked' : '';
 147
 148     if (sizeof($index_order)){
 149         foreach ($index_order as $index_order_part) {
 150             switch ($index_order_part) {
 151             case 1: /* checkbox */
 152                 echo html_tag( 'td',
 153                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 154                                'center',
 155                                $hlt_color );
 156                 break;
 157             case 2: /* from */
 158                 echo html_tag( 'td',
 159                                $italic . $bold . $flag . $fontstr . $senderName .
 160                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 161                                'left',
 162                                $hlt_color );
 163                 break;
 164             case 3: /* date */
 165                 echo html_tag( 'td',
 166                                $bold . $flag . $fontstr . $msg['DATE_STRING'] .
 167                                $fontstr_end . $flag_end . $bold_end,
 168                                'center',
 169                                $hlt_color,
 170                                'nowrap' );
 171                 break;
 172             case 4: /* subject */
 173                 $td_str = $bold;
 174                 if ($thread_sort_messages == 1) {
 175                     if (isset($indent_array[$msg["ID"]])) {
 176                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 177                     }
 178                 }
 179                 $td_str .= "<a href=\"read_body.php?mailbox=$urlMailbox&amp;passed_id="
 180                            . $msg["ID"]
 181                            . "&amp;startMessage=$start_msg&amp;show_more=0\"";
 182                 do_hook("subject_link");
 183                 if ($subject != $msg['SUBJECT']) {
 184                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 185                     $title = array_flip($title);
 186                     $title = strtr($msg['SUBJECT'], $title);
 187                     $title = str_replace('"', "''", $title);
 188                     $td_str .= " title=\"$title\"";
 189                 }
 190                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 191                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 192                 break;
 193             case 5: /* flags */
 194                 $stuff = false;
 195                 $td_str = "<b><small>";
 196
 197                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 198                     $td_str .= _("A");
 199                     $stuff = true;
 200                 }
 201                 if ($msg['TYPE0'] == 'multipart') {
 202                     $td_str .= '+';
 203                     $stuff = true;
 204                 }
 205                 if ($default_use_priority) {
 206                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 207                         $td_str .= "<font color=\"$color[1]\">!</font>";
 208                         $stuff = true;
 209                     }
 210                     if ($msg['PRIORITY'] == 5) {
 211                         $td_str .= "<font color=\"$color[8]\">?</font>";
 212                         $stuff = true;
 213                     }
 214                 }
 215                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 216                     $td_str .= "<font color=\"$color[1]\">D</font>";
 217                     $stuff = true;
 218                 }
 219                 if (!$stuff) {
 220                     $td_str .= '&nbsp;';
 221                 }
 222                 $td_str .= '</small></b>';
 223                 echo html_tag( 'td',
 224                                $td_str,
 225                                'center',
 226                                $hlt_color,
 227                                'nowrap' );
 228                 break;
 229             case 6: /* size */
 230
 231                 echo html_tag( 'td',
 232                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 233                                $fontstr_end . $bold_end,
 234                                'right',
 235                                $hlt_color );
 236                 break;
 237             }
 238         }
 239     }
 240     echo "</tr>\n";
 241 }
 242
 243 /*
 244  * This function loops through a group of messages in the mailbox
 245  * and shows them to the user.
 246  */
 247 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 248                                 $start_msg, $sort, $color, $show_num,
 249                                 $use_cache) {
 250 global $msgs, $msort,
 251  $sent_folder, $draft_folder,
 252  $message_highlight_list,
 253  $auto_expunge, $thread_sort_messages, $allow_server_sort,
 254  $data_dir, $username, $server_sort_order, $php_sort_order;
 255
 256
 257  /* If autoexpunge is turned on, then do it now. */
 258
 259  $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 260  $issent = handleAsSent($mailbox);
 261
 262  /* If autoexpunge is turned on, then do it now. */
 263  if ($auto_expunge == true) {
 264     $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 265     $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 266  }
 267
 268
 269  if ($mbxresponse['EXISTS']>0) {
 270
 271     /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 272      * in the last page. We need to re-adjust the start_msg
 273      */
 274
 275     if($start_msg > $num_msgs) {
 276        $start_msg -= $show_num;
 277        if($start_msg < 1) {
 278          $start_msg = 1;
 279        }
 280     }
 281
 282     /* This code and the next if() block check for
 283      * server-side sorting methods. The $id array is
 284      * formatted and $sort is set to 6 to disable
 285      * SM internal sorting
 286      */
 287      if ($thread_sort_messages == 1) {
 288         $id = get_thread_sort($imapConnection);
 289         if ($id == 'no') {
 290             echo '<b><small><center><font color=red>' .
 291                  _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 292                  '</center></small></b>';
 293            $thread_sort_messages = 0;
 294            $id = array();
 295        } else {
 296           $sort = 6;
 297           if ($start_msg + ($show_num - 1) < $num_msgs) {
 298              $end_msg = $start_msg + ($show_num-1);
 299           } else {
 300              $end_msg = $num_msgs;
 301           }
 302           $id = array_slice($id, ($start_msg-1), ($end_msg));
 303        }
 304     }
 305
 306     if ($allow_server_sort == TRUE && $thread_sort_messages != 1) {
 307        $server_sort_order = $sort;
 308        $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 309        if ($id == 'no') {
 310             echo '<b><small><center><font color=red>' .
 311                  _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 312                  '</center></small></b>';
 313           $sort = $server_sort_order;
 314           $allow_server_sort = FALSE;
 315           $id = array();
 316        } else {
 317          $sort = 6;
 318          if ($start_msg + ($show_num - 1) < $num_msgs) {
 319             $end_msg = $start_msg + ($show_num-1);
 320          } else {
 321             $end_msg = $num_msgs;
 322          }
 323          $id = array_slice($id, ($start_msg-1), ($end_msg));
 324        }
 325     }
 326
 327     if (!$use_cache) {
 328       /* If it is sorted... */
 329       if ($num_msgs >= 1) {
 330         if ($sort < 6 ) {
 331            $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 332         } elseif ($thread_sort_messages != 1 && $allow_server_sort != TRUE && $sort == 6) {
 333            /* if it's not sorted */
 334            $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 335            if ($start_msg + ($show_num - 1) < $num_msgs) {
 336               $end_msg = $start_msg + ($show_num - 1);
 337            } else {
 338               $end_msg = $num_msgs;
 339            }
 340            if ($end_msg < $start_msg) {
 341               $start_msg = $start_msg - $show_num;
 342               if ($start_msg < 1) {
 343                  $start_msg = 1;
 344               }
 345            }
 346
 347            $real_startMessage = $num_msgs - $start_msg + 1;
 348            $real_endMessage = $num_msgs - $start_msg - $show_num + 2;
 349            if ($real_endMessage <= 0) {
 350               $real_endMessage = 1;
 351            }
 352            $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 353         }
 354       }
 355       if ($sort == 6) {
 356          $end = $start_msg + $show_num - 1;
 357          if ($num_msgs < $show_num) {
 358             $end_loop = $num_msgs;
 359          } else if ($end > $num_msgs) {
 360             $end_loop = $num_msgs - $start_msg + 1;
 361          } else {
 362             $end_loop = $show_num;
 363          }
 364       } else {
 365          $end = $num_msgs;
 366          $end_loop = $end;
 367       }
 368
 369       $messages = fillMessageArray($imapConnection,$id,$issent,$end_loop);
 370       if (!isset($messages)) {
 371          $messages = array();
 372       }
 373       $msgs = $messages;
 374
 375     }
 376
 377     $msort = calc_msort($msgs, $sort, $num_msgs, $use_cache);
 378
 379
 380     /* There's gotta be messages in the array for it to sort them. */
 381 } /* if exists > 0 */
 382   displayMessageArray($imapConnection, $num_msgs, $start_msg, $msgs,
 383                       $msort, $mailbox, $sort, $color,$show_num);
 384   /**
 385    * TODO: Switch to using $_SESSION[] whenever we ditch the 4.0.x series.
 386    */
 387   session_register('msgs');
 388 }
 389
 390 function calc_msort($msgs, $sort, $num_msgs, $use_cache) {
 391   global $thread_sort_messages, $allow_server_sort;
 392
 393   if (($num_msgs > 0) && (!$use_cache)) {
 394     /*
 395      * 0 = Date (up)
 396      * 1 = Date (dn)
 397      * 2 = Name (up)
 398      * 3 = Name (dn)
 399      * 4 = Subject (up)
 400      * 5 = Subject (dn)
 401      */
 402     session_unregister('msgs');
 403     if (($sort == 0) || ($sort == 1)) {
 404       $msort = array_cleave ($msgs, 'TIME_STAMP');
 405     } elseif (($sort == 2) || ($sort == 3)) {
 406       $msort = array_cleave ($msgs, 'FROM-SORT');
 407     } elseif (($sort == 4) || ($sort == 5)) {
 408       $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 409     } else {
 410       $msort = $msgs;
 411     }
 412     if ($sort < 6) {
 413       if ($sort % 2) {
 414         asort($msort);
 415       } else {
 416         arsort($msort);
 417       }
 418     }
 419     session_register('msort');
 420   } elseif ($thread_sort_messages == 1 || $allow_server_sort == TRUE) {
 421     $msort = $msgs;
 422     session_unregister('msgs');
 423     session_register('msort');
 424   }
 425   return $msort;
 426 }
 427
 428 function fillMessageArray($imapConnection,$id,$issent,$count) {
 429    $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 430    $messages = array();
 431    if (sizeof($msgs_list)){
 432       foreach ($msgs_list as $hdr) {
 433          $unique_id[] = $hdr->uid;
 434          $from[] = $hdr->from;
 435          $date[] = $hdr->date;
 436          $subject[] = $hdr->subject;
 437          $to[] = $hdr->to;
 438          $priority[] = $hdr->priority;
 439          $cc[] = $hdr->cc;
 440          $size[] = $hdr->size;
 441          $type[] = $hdr->type0;
 442          $flag_deleted[] = $hdr->flag_deleted;
 443          $flag_answered[] = $hdr->flag_answered;
 444          $flag_seen[] = $hdr->flag_seen;
 445          $flag_flagged[] = $hdr->flag_flagged;
 446      }
 447   }
 448
 449   $j = 0;
 450   while ($j < $count) {
 451
 452       if (isset($date[$j])) {
 453         $date[$j] = str_replace('  ', ' ', $date[$j]);
 454         $tmpdate = explode(' ', trim($date[$j]));
 455       } else {
 456         $tmpdate = $date = array('', '', '', '', '', '');
 457       }
 458       $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 459       $messages[$j]['DATE_STRING'] =
 460         getDateString($messages[$j]['TIME_STAMP']);
 461       $messages[$j]['ID'] = $unique_id[$j];
 462       $messages[$j]['FROM'] = decodeHeader($from[$j]);
 463       $messages[$j]['FROM-SORT'] =
 464         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 465       $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 466       $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 467       $messages[$j]['TO'] = decodeHeader($to[$j]);
 468       $messages[$j]['PRIORITY'] = $priority[$j];
 469       $messages[$j]['CC'] = $cc[$j];
 470       $messages[$j]['SIZE'] = $size[$j];
 471       $messages[$j]['TYPE0'] = $type[$j];
 472       $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 473       $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 474       $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 475       $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 476
 477
 478       /*
 479        * fix SUBJECT-SORT to remove Re:
 480        *     vedr|sv  (Danish)
 481        *     re|aw (English)
 482        *
 483        * TODO: i18n should be incorporated here. E.g. we catch the ones
 484        * we know about, but also define in i18n what the localized
 485        * "Re: " is for this or that locale.
 486        */
 487        if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 488                      $messages[$j]['SUBJECT-SORT'], $matches)){
 489           $messages[$j]['SUBJECT-SORT'] = $matches[2];
 490        }
 491        $j++;
 492   }
 493   return $messages;
 494 }
 495
 496 /* Generic function to convert the msgs array into an HTML table. */
 497 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 498                              &$msgs, $msort, $mailbox, $sort, $color,
 499                              $show_num, $search=false) {
 500   global $folder_prefix, $sent_folder,
 501     $imapServerAddress, $data_dir, $username, $use_mailbox_cache,
 502     $index_order, $real_endMessage, $real_startMessage, $checkall,
 503     $indent_array, $thread_sort_messages, $allow_server_sort,
 504     $server_sort_order, $PHP_SELF;
 505
 506   /* If cache isn't already set, do it now. */
 507   if (!session_is_registered('msgs')) {
 508     session_register('msgs');
 509   }
 510   if (!session_is_registered('msort')) {
 511     session_register('msort');
 512   }
 513
 514   if ($start_msg + ($show_num - 1) < $num_msgs){
 515     $end_msg = $start_msg + ($show_num - 1);
 516   } else {
 517     $end_msg = $num_msgs;
 518   }
 519
 520   if ($end_msg < $start_msg) {
 521     $start_msg = $start_msg - $show_num;
 522     if ($start_msg < 1) {
 523       $start_msg = 1;
 524     }
 525   }
 526
 527   $urlMailbox = urlencode($mailbox);
 528
 529   do_hook('mailbox_index_before');
 530
 531   if (preg_match('/.+search\.php.*/',$PHP_SELF,$regs)) {
 532      $paginator_str = get_selectall_link($start_msg, $sort);
 533   } else {
 534      $paginator_str = get_paginator_str($urlMailbox, $start_msg, $end_msg,
 535                                      $num_msgs, $show_num, $sort);
 536   }
 537
 538
 539   $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 540
 541   if (!isset($msg)) {
 542     $msg = '';
 543   }
 544
 545   /* get indent level for subject display */
 546   if ($thread_sort_messages == 1 ) {
 547     $indent_array = get_parent_level($imapConnection);
 548   }
 549   $fstring = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 550     . "&amp;startMessage=$start_msg";
 551
 552   /* messages display header */
 553   if ($num_msgs) {
 554      mail_message_listing_beginning($imapConnection, $fstring,
 555                                     $mailbox, $sort, $msg_cnt_str,
 556                                     $paginator_str, $start_msg);
 557   }
 558   $groupNum = $start_msg % ($show_num - 1);
 559   $real_startMessage = $start_msg;
 560   if ($sort == 6) {
 561     if ($end_msg - $start_msg < $show_num - 1) {
 562       $end_msg = $end_msg - $start_msg + 1;
 563       $start_msg = 1;
 564     } else if ($start_msg > $show_num) {
 565       $end_msg = $show_num;
 566       $start_msg = 1;
 567     }
 568   }
 569   $endVar = $end_msg + 1;
 570
 571   /*
 572    * Loop through and display the info for each message.
 573    * ($t is used for the checkbox number)
 574    */
 575   $t = 0;
 576
 577   /* messages display */
 578   echo  html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 579   if ($num_msgs == 0) {
 580     /* if there's no messages in this folder */
 581         echo html_tag( 'tr',
 582                 html_tag( 'td',
 583                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 584                           'center',
 585                           $color[4],
 586                           'COLSPAN="' . count($index_order) . '"'
 587                 )
 588             );
 589   } elseif ($start_msg == $end_msg) {
 590     /* if there's only one message in the box, handle it differently. */
 591     if ($sort != 6){
 592       $i = $start_msg;
 593     } else {
 594       $i = 1;
 595     }
 596     reset($msort);
 597     $k = 0;
 598     do {
 599       $key = key($msort);
 600       next($msort);
 601       $k++;
 602     } while (isset ($key) && ($k < $i));
 603     printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort,
 604                      $real_startMessage, 0, 0);
 605   } else {
 606     $i = $start_msg;
 607     reset($msort);
 608     $k = 0;
 609     do {
 610       $key = key($msort);
 611       next($msort);
 612       $k++;
 613     } while (isset ($key) && ($k < $i));
 614     do {
 615       printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 616                        $sort, $real_startMessage, 0, 0);
 617       $key = key($msort);
 618       $t++;
 619       $i++;
 620       next($msort);
 621     } while ($i && $i < $endVar);
 622   }
 623   echo '</table>';
 624
 625
 626   /* messages display footer */
 627   if ($num_msgs) {
 628     echo html_tag( 'table',
 629             html_tag( 'tr',
 630                 html_tag( 'td',
 631                     html_tag( 'table',
 632                         html_tag( 'tr',
 633                             html_tag( 'td', $paginator_str ) .
 634                             html_tag( 'td', $msg_cnt_str, 'right' )
 635                         )
 636                     , '', $color[4], 'width="100%" cellpadding="1" cellspacing="1"' )
 637                 )
 638             , '', $color[4] )
 639         , '', $color[9], 'width="100%" cellpadding="1"  cellspacing="1"' );
 640
 641   }
 642   /* End of message-list table */
 643
 644   do_hook('mailbox_index_after');
 645   echo "</FORM>\n";
 646 }
 647
 648 /*
 649  * Displays the standard message list header. To finish the table,
 650  * you need to do a "</table></table>";
 651  *
 652  * $moveURL is the URL to submit the delete/move form to
 653  * $mailbox is the current mailbox
 654  * $sort is the current sorting method (-1 for no sorting available [searches])
 655  * $Message is a message that is centered on top of the list
 656  * $More is a second line that is left aligned
 657  */
 658
 659 function mail_message_listing_beginning ($imapConnection, $moveURL,
 660                                          $mailbox = '', $sort = -1,
 661                                          $msg_cnt_str = '',
 662                                          $paginator = '&nbsp;',
 663                                          $start_msg = 1) {
 664   global $color, $index_order, $auto_expunge, $move_to_trash, $base_uri,
 665     $checkall, $sent_folder, $draft_folder, $thread_sort_messages,
 666     $allow_thread_sort, $allow_server_sort, $server_sort_order,
 667     $lastTargetMailbox, $PHP_SELF;
 668
 669   $urlMailbox = urlencode($mailbox);
 670
 671   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 672      $source_url = $regs[1];
 673   } else {
 674      $source_url = $PHP_SELF;
 675   }
 676
 677
 678   /*
 679    * This is the beginning of the message list table.
 680    * It wraps around all messages
 681    */
 682
 683     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 684         . html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' ) .
 685             html_tag( 'tr',
 686                 html_tag( 'td' ,
 687                     html_tag( 'table' ,
 688                         html_tag( 'tr',
 689                             html_tag( 'td', $paginator, 'left' ) .
 690                             html_tag( 'td', $msg_cnt_str, 'right' )
 691                         )
 692                     , '', $color[4], 'border="0" width="100%" cellpadding="2"  cellspacing="0"' )
 693                 , 'left', '', '' )
 694             , '', $color[0] )
 695         . html_tag( 'tr' ) . "\n"
 696         . html_tag( 'td' ,'' , 'left', $color[0], '' )
 697         . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="0"  cellspacing="0"' )
 698             . html_tag( 'tr',
 699                 html_tag( 'td',
 700                             '<small>&nbsp;' . _("Move Selected To:") . '</small>',
 701                             'left',
 702                             '',
 703                             'valign="middle" nowrap' ) .
 704                 html_tag( 'td',
 705                             '<small>' . _("Transform Selected Messages") . ': &nbsp; </small>',
 706                             'right',
 707                             '',
 708                             'nowrap' )
 709             )
 710         . html_tag( 'tr' ) ."\n"
 711         . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' )
 712         . '         <small>&nbsp;<tt><select name="targetMailbox">';
 713
 714   $boxes = sqimap_mailbox_list($imapConnection);
 715   foreach ($boxes as $boxes_part) {
 716     if (!in_array('noselect', $boxes_part['flags'])) {
 717       $box = $boxes_part['unformatted'];
 718       $box2 = str_replace(' ', '&nbsp;', imap_utf7_decode_local($boxes_part['unformatted-disp']));
 719       if( $box2 == 'INBOX' ) {
 720         $box2 = _("INBOX");
 721       }
 722       if ($lastTargetMailbox == $box) {
 723         echo "       <OPTION VALUE=\"$box\" SELECTED>$box2</OPTION>\n";
 724       }
 725       else {
 726         echo "         <OPTION VALUE=\"$box\">$box2</OPTION>\n";
 727       }
 728     }
 729   }
 730   echo '         </SELECT></TT>&nbsp;'
 731     . '<INPUT TYPE="SUBMIT" NAME="moveButton" VALUE="' . _("Move") . '">&nbsp;'
 732     . '<INPUT TYPE="SUBMIT" NAME="attache" VALUE="' . _("Forward")
 733     . "\">&nbsp;\n" . "</SMALL>\n";
 734
 735   echo "      </TD>\n"
 736     . html_tag( 'td', '', 'right', '', 'nowrap' );
 737
 738   if (!$auto_expunge) {
 739     echo '<INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="' . _("Expunge")
 740       . '">&nbsp;' . _("mailbox") . '&nbsp;';
 741   }
 742   echo '<INPUT TYPE="SUBMIT" NAME="markRead" VALUE="' . _("Read") . '">'
 743     . '<INPUT TYPE="SUBMIT" NAME="markUnread" VALUE="' . _("Unread") . '">'
 744     . '<INPUT TYPE="SUBMIT" VALUE="' . _("Delete") . '">&nbsp;'
 745     . "</TD>\n"
 746     . "   </TR>\n";
 747
 748   /* draws thread sorting links */
 749   if ($allow_thread_sort == TRUE) {
 750     if ($thread_sort_messages == 1 ) {
 751       $set_thread = 2;
 752       $thread_name = _("Unthread View");
 753     }
 754         elseif ($thread_sort_messages == 0) {
 755       $set_thread = 1;
 756       $thread_name = _("Thread View");
 757     }
 758         echo html_tag( 'tr' ,
 759                     html_tag( 'td' ,
 760                               '&nbsp;<a href=' . $source_url . '?sort='
 761                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 762                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 763                               . '</a></small>&nbsp;'
 764                      , '', '', '' )
 765                  , '', '', '' );
 766   }
 767
 768   echo "</TABLE>\n";
 769
 770     echo "</table>\n";
 771
 772     do_hook('mailbox_form_before');
 773
 774     echo '</td></tr>'
 775     .  html_tag( 'tr' )
 776     . html_tag( 'td' ,'' , '', $color[0], '' );
 777     if ($GLOBALS['alt_index_colors']){
 778         $cellspacing =  '0';
 779     } else {
 780         $cellspacing = '1';
 781     }
 782     echo html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="2"  cellspacing="'. $cellspacing .'"' )
 783     . html_tag( 'tr' ,'' , 'center', $color[5] );
 784     /* if using server sort we highjack the
 785     * the $sort var and use $server_sort_order
 786     * instead. but here we reset sort for a bit
 787     * since its easy
 788     */
 789     if ($allow_server_sort == TRUE) {
 790         $sort = $server_sort_order;
 791     }
 792
 793     $showsort = false;
 794     if ($allow_thread_sort != TRUE || $thread_sort_messages != 1) {
 795        $showsort = true;
 796     }
 797     /* quick hack to support search.php */
 798     if (preg_match('/.+search\.php.*/',$source_url, $regs)) {
 799        $showsort = false;
 800     }
 801
 802     /* Print the headers. */
 803     printHeader($mailbox, $sort, $showsort);
 804
 805     /* if using server-sorting,
 806     * send sort back to 6
 807     */
 808     if ($allow_server_sort == TRUE) {
 809         $sort = 6;
 810     }
 811     echo "</tr>\n";
 812
 813 }
 814
 815 function printHeader($mailbox,$sort, $showsort=true) {
 816   global $index_order;
 817
 818     for ($i=1; $i <= count($index_order); $i++) {
 819         switch ($index_order[$i]) {
 820         case 1: /* checkbox */
 821         case 5: /* flags */
 822             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 823             break;
 824         case 2: /* from */
 825             if (handleAsSent($mailbox)) {
 826                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 827                 . '<b>' . _("To") . '</b>';
 828             } else {
 829                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 830                 . '<b>' . _("From") . '</b>';
 831             }
 832             if ($showsort) {
 833                 ShowSortButton($sort, $mailbox, 2, 3);
 834             }
 835             echo "</td>\n";
 836             break;
 837         case 3: /* date */
 838             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 839             . '<b>' . _("Date") . '</b>';
 840             if ($showsort) {
 841                 ShowSortButton($sort, $mailbox, 0, 1);
 842             }
 843             echo "</td>\n";
 844             break;
 845         case 4: /* subject */
 846             echo html_tag( 'td' ,'' , 'left', '', '' )
 847             . '<b>' . _("Subject") . '</b>';
 848             if ($showsort) {
 849                 ShowSortButton($sort, $mailbox, 4, 5);
 850             }
 851             echo "</td>\n";
 852             break;
 853         case 6: /* size */
 854             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 855             break;
 856         }
 857     }
 858
 859 }
 860
 861 /*
 862  * This function shows the sort button. Isn't this a good comment?
 863  */
 864 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 865   global $PHP_SELF;
 866   /* Figure out which image we want to use. */
 867   if ($sort != $Up && $sort != $Down) {
 868     $img = 'sort_none.png';
 869     $which = $Up;
 870   } elseif ($sort == $Up) {
 871     $img = 'up_pointer.png';
 872     $which = $Down;
 873   } else {
 874     $img = 'down_pointer.png';
 875     $which = 6;
 876   }
 877
 878   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 879      $source_url = $regs[1];
 880   } else {
 881      $source_url = $PHP_SELF;
 882   }
 883
 884   /* Now that we have everything figured out, show the actual button. */
 885   echo ' <a href="' . $source_url .'?newsort=' . $which
 886     . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 887     . '"><IMG SRC="../images/' . $img
 888     . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 889 }
 890
 891 function get_selectall_link($start_msg, $sort) {
 892   global $checkall, $what, $where, $mailbox, $javascript_on;
 893   global $PHP_SELF, $PG_SHOWNUM;
 894
 895   $result = '';
 896   if ($javascript_on) {
 897     $result =
 898       '<script language="JavaScript" type="text/javascript">'
 899       . "\n<!-- \n"
 900       . "function CheckAll() {\n"
 901       . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 902       . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 903       . "      document.messageList.elements[i].checked = "
 904       . "        !(document.messageList.elements[i].checked);\n"
 905       . "    }\n"
 906       . "  }\n"
 907       . "}\n"
 908       . "//-->\n"
 909       . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 910       . "</a>\n";
 911   } else {
 912     if (strpos($PHP_SELF, "?")) {
 913       $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 914         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 915     } else {
 916       $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 917         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 918     }
 919     if (isset($checkall) && $checkall == '1') {
 920       $result .= '0';
 921     } else {
 922       $result .= '1';
 923     }
 924
 925     if (isset($where) && isset($what)) {
 926       $result .= '&amp;where=' . urlencode($where)
 927         . '&amp;what=' . urlencode($what);
 928     }
 929
 930     $result .= "\">";
 931
 932     if (isset($checkall) && ($checkall == '1')) {
 933       $result .= _("Unselect All");
 934     } else {
 935       $result .= _("Select All");
 936     }
 937
 938     $result .= "</A>\n";
 939   }
 940
 941   /* Return our final result. */
 942   return ($result);
 943 }
 944
 945 /*
 946  * This function computes the "Viewing Messages..." string.
 947  */
 948 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 949   /* Compute the $msg_cnt_str. */
 950   $result = '';
 951   if ($start_msg < $end_msg) {
 952     $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 953                       $start_msg, $end_msg, $num_msgs);
 954   } else if ($start_msg == $end_msg) {
 955     $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 956   } else {
 957     $result = '<br>';
 958   }
 959
 960   /* Return our result string. */
 961   return ($result);
 962 }
 963
 964 /*
 965  * Generate a paginator link.
 966  */
 967 function get_paginator_link($box, $start_msg, $use, $text) {
 968   global $PHP_SELF;
 969
 970   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 971      $source_url = $regs[1];
 972   } else {
 973      $source_url = $PHP_SELF;
 974   }
 975
 976   $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 977     . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 978     . "TARGET=\"right\">$text</A>";
 979   return ($result);
 980 }
 981
 982 /*
 983  * This function computes the paginator string.
 984  */
 985 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 986                            $show_num, $sort) {
 987   global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 988
 989   /* Initialize paginator string chunks. */
 990   $prv_str = '';
 991   $nxt_str = '';
 992   $pg_str = '';
 993   $all_str = '';
 994   $tgl_str = '';
 995
 996   /* Create simple strings that will be creating the paginator. */
 997   $spc = '&nbsp;';     /* This will be used as a space. */
 998   $sep = '|';          /* This will be used as a seperator. */
 999
1000   /* Get some paginator preference values. */
1001   $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1002   $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1003
1004   /* Make sure that our start message number is not too big. */
1005   $start_msg = min($start_msg, $num_msgs);
1006
1007   /* Decide whether or not we will use the mailbox cache. */
1008   /* Not sure why $use_mailbox_cache is even passed in.   */
1009   if ($sort == 6) {
1010     $use = 0;
1011   } else {
1012     $use = 1;
1013   }
1014
1015   /* Compute the starting message of the previous and next page group. */
1016   $next_grp = $start_msg + $show_num;
1017   $prev_grp = $start_msg - $show_num;
1018
1019   /* Compute the basic previous and next strings. */
1020   if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1021     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1022     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1023   } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1024     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1025     $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1026   } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1027     $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1028     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1029   }
1030
1031   /* Page selector block. Following code computes page links. */
1032   if ($pg_sel && ($num_msgs > $show_num)) {
1033     /* Most importantly, what is the current page!!! */
1034     $cur_pg = intval($start_msg / $show_num) + 1;
1035
1036     /* Compute total # of pages and # of paginator page links. */
1037       $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1038       $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1039
1040       /* Compute the size of the four quarters of the page links. */
1041
1042       /* If we can, just show all the pages. */
1043       if (($tot_pgs - 1) <= $pg_max) {
1044         $q1_pgs = $cur_pg - 1;
1045         $q2_pgs = $q3_pgs = 0;
1046         $q4_pgs = $tot_pgs - $cur_pg;
1047
1048         /* Otherwise, compute some magic to choose the four quarters. */
1049       } else {
1050         /*
1051          * Compute the magic base values. Added together,
1052          * these values will always equal to the $pag_pgs.
1053          * NOTE: These are DEFAULT values and do not take
1054          * the current page into account. That is below.
1055          */
1056         $q1_pgs = floor($vis_pgs/4);
1057         $q2_pgs = round($vis_pgs/4, 0);
1058         $q3_pgs = ceil($vis_pgs/4);
1059         $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1060
1061         /* Adjust if the first quarter contains the current page. */
1062         if (($cur_pg - $q1_pgs) < 1) {
1063           $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1064           $q1_pgs = $cur_pg - 1;
1065           $q2_pgs = 0;
1066           $q3_pgs += ceil($extra_pgs / 2);
1067           $q4_pgs += floor($extra_pgs / 2);
1068
1069           /* Adjust if the first and second quarters intersect. */
1070         } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1071           $extra_pgs = $q2_pgs;
1072           $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1073           $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1074           $q3_pgs += ceil($extra_pgs / 2);
1075           $q4_pgs += floor($extra_pgs / 2);
1076
1077           /* Adjust if the fourth quarter contains the current page. */
1078         } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1079           $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1080           $q3_pgs = 0;
1081           $q4_pgs = $tot_pgs - $cur_pg;
1082           $q1_pgs += floor($extra_pgs / 2);
1083           $q2_pgs += ceil($extra_pgs / 2);
1084
1085           /* Adjust if the third and fourth quarter intersect. */
1086         } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1087           $extra_pgs = $q3_pgs;
1088           $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1089           $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1090           $q1_pgs += floor($extra_pgs / 2);
1091           $q2_pgs += ceil($extra_pgs / 2);
1092         }
1093       }
1094
1095       /*
1096        * I am leaving this debug code here, commented out, because
1097        * it is a really nice way to see what the above code is doing.
1098        * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1099        *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1100        */
1101
1102       /* Print out the page links from the compute page quarters. */
1103
1104       /* Start with the first quarter. */
1105       if (($q1_pgs == 0) && ($cur_pg > 1)) {
1106         $pg_str .= "...$spc";
1107       } else {
1108         for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1109           $start = (($pg-1) * $show_num) + 1;
1110           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1111         }
1112         if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1113           $pg_str .= "...$spc";
1114         }
1115       }
1116
1117       /* Continue with the second quarter. */
1118       for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1119         $start = (($pg-1) * $show_num) + 1;
1120         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1121       }
1122
1123       /* Now print the current page. */
1124       $pg_str .= $cur_pg . $spc;
1125
1126       /* Next comes the third quarter. */
1127       for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1128         $start = (($pg-1) * $show_num) + 1;
1129         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1130       }
1131
1132       /* And last, print the forth quarter page links. */
1133       if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1134         $pg_str .= "...$spc";
1135       } else {
1136         if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1137           $pg_str .= "...$spc";
1138         }
1139         for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1140           $start = (($pg-1) * $show_num) + 1;
1141           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1142         }
1143       }
1144   } else if ($PG_SHOWNUM == 999999) {
1145     $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1146       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1147       . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1148   }
1149
1150   /* If necessary, compute the 'show all' string. */
1151   if (($prv_str != '') || ($nxt_str != '')) {
1152     $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1153       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1154       . "TARGET=\"right\">" . _("Show All") . '</A>';
1155   }
1156
1157   /* Last but not least, get the value for the toggle all link. */
1158   $tgl_str = get_selectall_link($start_msg, $sort);
1159
1160   /* Put all the pieces of the paginator string together. */
1161   /**
1162    * Hairy code... But let's leave it like it is since I am not certain
1163    * a different approach would be any easier to read. ;)
1164    */
1165   $result = '';
1166   $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1167   $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1168   $result .= ($pg_str != '' ? $pg_str : '');
1169   $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1170   $result .= ($result != '' ? $sep . $spc . $tgl_str: $tgl_str);
1171
1172   /* If the resulting string is blank, return a non-breaking space. */
1173   if ($result == '') {
1174     $result = '&nbsp;';
1175   }
1176
1177   /* Return our final magical paginator string. */
1178   return ($result);
1179 }
1180
1181 function processSubject($subject) {
1182   /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1183   if ($subject == '')
1184     return _("(no subject)");
1185
1186   if (strlen($subject) <= 55)
1187     return $subject;
1188
1189   $ent_strlen=strlen($subject);
1190   $trim_val=50;
1191   $ent_offset=0;
1192   /*
1193    * see if this is entities-encoded string
1194    * If so, Iterate through the whole string, find out
1195    * the real number of characters, and if more
1196    * than 55, substr with an updated trim value.
1197    */
1198   while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1199           (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1200     $trim_val += ($ent_loc_end-$ent_loc)+1;
1201     $ent_strlen -= $ent_loc_end-$ent_loc;
1202     $ent_offset = $ent_loc_end+1;
1203   }
1204
1205   if ($ent_strlen <= 55){
1206     return $subject;
1207   }
1208
1209   return substr($subject, 0, $trim_val) . '...';
1210 }
1211
1212 function handleAsSent($mailbox) {
1213   global $sent_folder, $draft_folder, $handleAsSent_result;
1214
1215   /* First check if this is the sent or draft folder. */
1216   $handleAsSent_result = (($mailbox == $sent_folder)
1217                           || ($mailbox == $draft_folder));
1218
1219   /* Then check the result of the handleAsSent hook. */
1220   do_hook('check_handleAsSent_result', $mailbox);
1221
1222   /* And return the result. */
1223   return ($handleAsSent_result);
1224 }
1225
1226 ?>