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
 149     if (sizeof($index_order)){
 150         foreach ($index_order as $index_order_part) {
 151             switch ($index_order_part) {
 152             case 1: /* checkbox */
 153                 echo html_tag( 'td',
 154                                "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
 155                                'center',
 156                                $hlt_color );
 157                 break;
 158             case 2: /* from */
 159                 echo html_tag( 'td',
 160                                $italic . $bold . $flag . $fontstr . $senderName .
 161                                $fontstr_end . $flag_end . $bold_end . $italic_end,
 162                                'left',
 163                                $hlt_color );
 164                 break;
 165             case 3: /* date */
 166                 echo html_tag( 'td',
 167                                $bold . $flag . $fontstr . $msg['DATE_STRING'] .
 168                                $fontstr_end . $flag_end . $bold_end,
 169                                'center',
 170                                $hlt_color,
 171                                'nowrap' );
 172                 break;
 173             case 4: /* subject */
 174                 $td_str = $bold;
 175                 if ($thread_sort_messages == 1) {
 176                     if (isset($indent_array[$msg["ID"]])) {
 177                         $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
 178                     }
 179                 }
 180                 $td_str .= "<a href=\"read_body.php?mailbox=$urlMailbox&amp;passed_id="
 181                            . $msg["ID"]
 182                            . "&amp;startMessage=$start_msg&amp;show_more=0\"";
 183                 do_hook("subject_link");
 184                 if ($subject != $msg['SUBJECT']) {
 185                     $title = get_html_translation_table(HTML_SPECIALCHARS);
 186                     $title = array_flip($title);
 187                     $title = strtr($msg['SUBJECT'], $title);
 188                     $title = str_replace('"', "''", $title);
 189                     $td_str .= " title=\"$title\"";
 190                 }
 191                 $td_str .= ">$flag$subject$flag_end</a>$bold_end";
 192                 echo html_tag( 'td', $td_str, 'left', $hlt_color );
 193                 break;
 194             case 5: /* flags */
 195                 $stuff = false;
 196                 $td_str = "<b><small>";
 197
 198                 if (isset($msg['FLAG_ANSWERED']) && $msg['FLAG_ANSWERED'] == true) {
 199                     $td_str .= _("A");
 200                     $stuff = true;
 201                 }
 202                 if ($msg['TYPE0'] == 'multipart') {
 203                     $td_str .= '+';
 204                     $stuff = true;
 205                 }
 206                 if ($default_use_priority) {
 207                     if ( ($msg['PRIORITY'] == 1) || ($msg['PRIORITY'] == 2) ) {
 208                         $td_str .= "<font color=\"$color[1]\">!</font>";
 209                         $stuff = true;
 210                     }
 211                     if ($msg['PRIORITY'] == 5) {
 212                         $td_str .= "<font color=\"$color[8]\">?</font>";
 213                         $stuff = true;
 214                     }
 215                 }
 216                 if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'] == true) {
 217                     $td_str .= "<font color=\"$color[1]\">D</font>";
 218                     $stuff = true;
 219                 }
 220                 if (!$stuff) {
 221                     $td_str .= '&nbsp;';
 222                 }
 223                 $td_str .= '</small></b>';
 224                 echo html_tag( 'td',
 225                                $td_str,
 226                                'center',
 227                                $hlt_color,
 228                                'nowrap' );
 229                 break;
 230             case 6: /* size */
 231
 232                 echo html_tag( 'td',
 233                                $bold . $fontstr . show_readable_size($msg['SIZE']) .
 234                                $fontstr_end . $bold_end,
 235                                'right',
 236                                $hlt_color );
 237                 break;
 238             }
 239         }
 240     }
 241     echo "</tr>\n";
 242 }
 243
 244 /*
 245  * This function loops through a group of messages in the mailbox
 246  * and shows them to the user.
 247  */
 248 function showMessagesForMailbox($imapConnection, $mailbox, $num_msgs,
 249                                 $start_msg, $sort, $color, $show_num,
 250                                 $use_cache) {
 251 global $msgs, $msort,
 252  $sent_folder, $draft_folder,
 253  $message_highlight_list,
 254  $auto_expunge, $thread_sort_messages, $allow_server_sort,
 255  $data_dir, $username, $server_sort_order, $php_sort_order;
 256
 257
 258  /* If autoexpunge is turned on, then do it now. */
 259
 260  $mbxresponse = sqimap_mailbox_select($imapConnection, $mailbox);
 261  $issent = handleAsSent($mailbox);
 262
 263  /* If autoexpunge is turned on, then do it now. */
 264  if ($auto_expunge == true) {
 265     $exp_cnt = sqimap_mailbox_expunge($imapConnection, $mailbox, false, '');
 266     $mbxresponse['EXISTS'] = $mbxresponse['EXISTS'] - $exp_cnt;
 267  }
 268
 269
 270  if ($mbxresponse['EXISTS']>0) {
 271
 272     /* if $start_msg is lower than $num_msgs, we probably deleted all messages
 273      * in the last page. We need to re-adjust the start_msg
 274      */
 275
 276     if($start_msg > $num_msgs) {
 277        $start_msg -= $show_num;
 278        if($start_msg < 1) {
 279          $start_msg = 1;
 280        }
 281     }
 282
 283     /* This code and the next if() block check for
 284      * server-side sorting methods. The $id array is
 285      * formatted and $sort is set to 6 to disable
 286      * SM internal sorting
 287      */
 288      if ($thread_sort_messages == 1) {
 289         $id = get_thread_sort($imapConnection);
 290         if ($id == 'no') {
 291             echo '<b><small><center><font color=red>' .
 292                  _("Thread sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 293                  '</center></small></b>';
 294            $thread_sort_messages = 0;
 295            $id = array();
 296        } else {
 297           $sort = 6;
 298           if ($start_msg + ($show_num - 1) < $num_msgs) {
 299              $end_msg = $start_msg + ($show_num-1);
 300           } else {
 301              $end_msg = $num_msgs;
 302           }
 303           $id = array_slice($id, ($start_msg-1), ($end_msg));
 304        }
 305     }
 306
 307     if ($allow_server_sort == TRUE && $thread_sort_messages != 1) {
 308        $server_sort_order = $sort;
 309        $id = sqimap_get_sort_order($imapConnection, $server_sort_order,$mbxresponse);
 310        if ($id == 'no') {
 311             echo '<b><small><center><font color=red>' .
 312                  _( "Server-side sorting is not supported by your IMAP server.<br>Please report this to the system administrator.").
 313                  '</center></small></b>';
 314           $sort = $server_sort_order;
 315           $allow_server_sort = FALSE;
 316           $id = array();
 317        } else {
 318          $sort = 6;
 319          if ($start_msg + ($show_num - 1) < $num_msgs) {
 320             $end_msg = $start_msg + ($show_num-1);
 321          } else {
 322             $end_msg = $num_msgs;
 323          }
 324          $id = array_slice($id, ($start_msg-1), ($end_msg));
 325        }
 326     }
 327
 328     if (!$use_cache) {
 329       /* If it is sorted... */
 330       if ($num_msgs >= 1) {
 331         if ($sort < 6 ) {
 332            $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 333         } elseif ($thread_sort_messages != 1 && $allow_server_sort != TRUE && $sort == 6) {
 334            /* if it's not sorted */
 335            $id = sqimap_get_php_sort_order ($imapConnection, $mbxresponse);
 336            if ($start_msg + ($show_num - 1) < $num_msgs) {
 337               $end_msg = $start_msg + ($show_num - 1);
 338            } else {
 339               $end_msg = $num_msgs;
 340            }
 341            if ($end_msg < $start_msg) {
 342               $start_msg = $start_msg - $show_num;
 343               if ($start_msg < 1) {
 344                  $start_msg = 1;
 345               }
 346            }
 347
 348            $real_startMessage = $num_msgs - $start_msg + 1;
 349            $real_endMessage = $num_msgs - $start_msg - $show_num + 2;
 350            if ($real_endMessage <= 0) {
 351               $real_endMessage = 1;
 352            }
 353            $id = array_slice(array_reverse($id), ($start_msg-1), ($end_msg));
 354         }
 355       }
 356       if ($sort == 6) {
 357          $end = $start_msg + $show_num - 1;
 358          if ($num_msgs < $show_num) {
 359             $end_loop = $num_msgs;
 360          } else if ($end > $num_msgs) {
 361             $end_loop = $num_msgs - $start_msg + 1;
 362          } else {
 363             $end_loop = $show_num;
 364          }
 365       } else {
 366          $end = $num_msgs;
 367          $end_loop = $end;
 368       }
 369
 370       $messages = fillMessageArray($imapConnection,$id,$issent,$end_loop);
 371       if (!isset($messages)) {
 372          $messages = array();
 373       }
 374       $msgs = $messages;
 375
 376     }
 377
 378     $msort = calc_msort($msgs, $sort, $num_msgs, $use_cache);
 379
 380
 381     /* There's gotta be messages in the array for it to sort them. */
 382 } /* if exists > 0 */
 383   displayMessageArray($imapConnection, $num_msgs, $start_msg, $msgs,
 384                       $msort, $mailbox, $sort, $color,$show_num);
 385   /**
 386    * TODO: Switch to using $_SESSION[] whenever we ditch the 4.0.x series.
 387    */
 388   session_register('msgs');
 389 }
 390
 391 function calc_msort($msgs, $sort, $num_msgs, $use_cache) {
 392   global $thread_sort_messages, $allow_server_sort;
 393
 394   if (($num_msgs > 0) && (!$use_cache)) {
 395     /*
 396      * 0 = Date (up)
 397      * 1 = Date (dn)
 398      * 2 = Name (up)
 399      * 3 = Name (dn)
 400      * 4 = Subject (up)
 401      * 5 = Subject (dn)
 402      */
 403     session_unregister('msgs');
 404     if (($sort == 0) || ($sort == 1)) {
 405       $msort = array_cleave ($msgs, 'TIME_STAMP');
 406     } elseif (($sort == 2) || ($sort == 3)) {
 407       $msort = array_cleave ($msgs, 'FROM-SORT');
 408     } elseif (($sort == 4) || ($sort == 5)) {
 409       $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 410     } else {
 411       $msort = $msgs;
 412     }
 413     if ($sort < 6) {
 414       if ($sort % 2) {
 415         asort($msort);
 416       } else {
 417         arsort($msort);
 418       }
 419     }
 420     session_register('msort');
 421   } elseif ($thread_sort_messages == 1 || $allow_server_sort == TRUE) {
 422     $msort = $msgs;
 423     session_unregister('msgs');
 424     session_register('msort');
 425   }
 426   return $msort;
 427 }
 428
 429 function fillMessageArray($imapConnection,$id,$issent,$count) {
 430    $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 431    $messages = array();
 432    if (sizeof($msgs_list)){
 433       foreach ($msgs_list as $hdr) {
 434          $unique_id[] = $hdr->uid;
 435          $from[] = $hdr->from;
 436          $date[] = $hdr->date;
 437          $subject[] = $hdr->subject;
 438          $to[] = $hdr->to;
 439          $priority[] = $hdr->priority;
 440          $cc[] = $hdr->cc;
 441          $size[] = $hdr->size;
 442          $type[] = $hdr->type0;
 443          $flag_deleted[] = $hdr->flag_deleted;
 444          $flag_answered[] = $hdr->flag_answered;
 445          $flag_seen[] = $hdr->flag_seen;
 446          $flag_flagged[] = $hdr->flag_flagged;
 447      }
 448   }
 449
 450   $j = 0;
 451   while ($j < $count) {
 452
 453       if (isset($date[$j])) {
 454         $date[$j] = str_replace('  ', ' ', $date[$j]);
 455         $tmpdate = explode(' ', trim($date[$j]));
 456       } else {
 457         $tmpdate = $date = array('', '', '', '', '', '');
 458       }
 459       $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 460       $messages[$j]['DATE_STRING'] =
 461         getDateString($messages[$j]['TIME_STAMP']);
 462       $messages[$j]['ID'] = $unique_id[$j];
 463       $messages[$j]['FROM'] = decodeHeader($from[$j]);
 464       $messages[$j]['FROM-SORT'] =
 465         strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 466       $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 467       $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 468       $messages[$j]['TO'] = decodeHeader($to[$j]);
 469       $messages[$j]['PRIORITY'] = $priority[$j];
 470       $messages[$j]['CC'] = $cc[$j];
 471       $messages[$j]['SIZE'] = $size[$j];
 472       $messages[$j]['TYPE0'] = $type[$j];
 473       $messages[$j]['FLAG_DELETED'] = $flag_deleted[$j];
 474       $messages[$j]['FLAG_ANSWERED'] = $flag_answered[$j];
 475       $messages[$j]['FLAG_SEEN'] = $flag_seen[$j];
 476       $messages[$j]['FLAG_FLAGGED'] = $flag_flagged[$j];
 477
 478
 479       /*
 480        * fix SUBJECT-SORT to remove Re:
 481        *     vedr|sv  (Danish)
 482        *     re|aw (English)
 483        *
 484        * TODO: i18n should be incorporated here. E.g. we catch the ones
 485        * we know about, but also define in i18n what the localized
 486        * "Re: " is for this or that locale.
 487        */
 488        if (preg_match("/^(vedr|sv|re|aw):\s*(.*)$/si",
 489                      $messages[$j]['SUBJECT-SORT'], $matches)){
 490           $messages[$j]['SUBJECT-SORT'] = $matches[2];
 491        }
 492        $j++;
 493   }
 494   return $messages;
 495 }
 496
 497 /* Generic function to convert the msgs array into an HTML table. */
 498 function displayMessageArray($imapConnection, $num_msgs, $start_msg,
 499                              &$msgs, $msort, $mailbox, $sort, $color,
 500                              $show_num, $search=false) {
 501   global $folder_prefix, $sent_folder,
 502     $imapServerAddress, $data_dir, $username, $use_mailbox_cache,
 503     $index_order, $real_endMessage, $real_startMessage, $checkall,
 504     $indent_array, $thread_sort_messages, $allow_server_sort,
 505     $server_sort_order, $PHP_SELF;
 506
 507   /* If cache isn't already set, do it now. */
 508   if (!session_is_registered('msgs')) {
 509     session_register('msgs');
 510   }
 511   if (!session_is_registered('msort')) {
 512     session_register('msort');
 513   }
 514
 515   if ($start_msg + ($show_num - 1) < $num_msgs){
 516     $end_msg = $start_msg + ($show_num - 1);
 517   } else {
 518     $end_msg = $num_msgs;
 519   }
 520
 521   if ($end_msg < $start_msg) {
 522     $start_msg = $start_msg - $show_num;
 523     if ($start_msg < 1) {
 524       $start_msg = 1;
 525     }
 526   }
 527
 528   $urlMailbox = urlencode($mailbox);
 529
 530   do_hook('mailbox_index_before');
 531
 532   if (preg_match('/.+search\.php.*/',$PHP_SELF,$regs)) {
 533      $paginator_str = get_selectall_link($start_msg, $sort);
 534   } else {
 535      $paginator_str = get_paginator_str($urlMailbox, $start_msg, $end_msg,
 536                                      $num_msgs, $show_num, $sort);
 537   }
 538
 539
 540   $msg_cnt_str = get_msgcnt_str($start_msg, $end_msg, $num_msgs);
 541
 542   if (!isset($msg)) {
 543     $msg = '';
 544   }
 545
 546   /* get indent level for subject display */
 547   if ($thread_sort_messages == 1 ) {
 548     $indent_array = get_parent_level($imapConnection);
 549   }
 550   $fstring = "move_messages.php?msg=$msg&amp;mailbox=$urlMailbox"
 551     . "&amp;startMessage=$start_msg";
 552
 553   /* messages display header */
 554   if ($num_msgs) {
 555      mail_message_listing_beginning($imapConnection, $fstring,
 556                                     $mailbox, $sort, $msg_cnt_str,
 557                                     $paginator_str, $start_msg);
 558   }
 559   $groupNum = $start_msg % ($show_num - 1);
 560   $real_startMessage = $start_msg;
 561   if ($sort == 6) {
 562     if ($end_msg - $start_msg < $show_num - 1) {
 563       $end_msg = $end_msg - $start_msg + 1;
 564       $start_msg = 1;
 565     } else if ($start_msg > $show_num) {
 566       $end_msg = $show_num;
 567       $start_msg = 1;
 568     }
 569   }
 570   $endVar = $end_msg + 1;
 571
 572   /*
 573    * Loop through and display the info for each message.
 574    * ($t is used for the checkbox number)
 575    */
 576   $t = 0;
 577
 578   /* messages display */
 579   echo  html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' );
 580   if ($num_msgs == 0) {
 581     /* if there's no messages in this folder */
 582         echo html_tag( 'tr',
 583                 html_tag( 'td',
 584                           "<BR><b>" . _("THIS FOLDER IS EMPTY") . "</b><BR>&nbsp;",
 585                           'center',
 586                           $color[4],
 587                           'COLSPAN="' . count($index_order) . '"'
 588                 )
 589             );
 590   } elseif ($start_msg == $end_msg) {
 591     /* if there's only one message in the box, handle it differently. */
 592     if ($sort != 6){
 593       $i = $start_msg;
 594     } else {
 595       $i = 1;
 596     }
 597     reset($msort);
 598     $k = 0;
 599     do {
 600       $key = key($msort);
 601       next($msort);
 602       $k++;
 603     } while (isset ($key) && ($k < $i));
 604     printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort,
 605                      $real_startMessage, 0, 0);
 606   } else {
 607     $i = $start_msg;
 608     reset($msort);
 609     $k = 0;
 610     do {
 611       $key = key($msort);
 612       next($msort);
 613       $k++;
 614     } while (isset ($key) && ($k < $i));
 615     do {
 616       printMessageInfo($imapConnection, $t, $i, $key, $mailbox,
 617                        $sort, $real_startMessage, 0, 0);
 618       $key = key($msort);
 619       $t++;
 620       $i++;
 621       next($msort);
 622     } while ($i && $i < $endVar);
 623   }
 624   echo '</table>';
 625
 626
 627   /* messages display footer */
 628   if ($num_msgs) {
 629     echo html_tag( 'table',
 630             html_tag( 'tr',
 631                 html_tag( 'td',
 632                     html_tag( 'table',
 633                         html_tag( 'tr',
 634                             html_tag( 'td', $paginator_str ) .
 635                             html_tag( 'td', $msg_cnt_str, 'right' )
 636                         )
 637                     , '', $color[4], 'width="100%" cellpadding="1" cellspacing="1"' )
 638                 )
 639             , '', $color[4] )
 640         , '', $color[9], 'width="100%" cellpadding="1"  cellspacing="1"' );
 641
 642   }
 643   /* End of message-list table */
 644
 645   do_hook('mailbox_index_after');
 646   echo "</FORM>\n";
 647 }
 648
 649 /*
 650  * Displays the standard message list header. To finish the table,
 651  * you need to do a "</table></table>";
 652  *
 653  * $moveURL is the URL to submit the delete/move form to
 654  * $mailbox is the current mailbox
 655  * $sort is the current sorting method (-1 for no sorting available [searches])
 656  * $Message is a message that is centered on top of the list
 657  * $More is a second line that is left aligned
 658  */
 659
 660 function mail_message_listing_beginning ($imapConnection, $moveURL,
 661                                          $mailbox = '', $sort = -1,
 662                                          $msg_cnt_str = '',
 663                                          $paginator = '&nbsp;',
 664                                          $start_msg = 1) {
 665   global $color, $index_order, $auto_expunge, $move_to_trash, $base_uri,
 666     $checkall, $sent_folder, $draft_folder, $thread_sort_messages,
 667     $allow_thread_sort, $allow_server_sort, $server_sort_order,
 668     $lastTargetMailbox, $PHP_SELF;
 669
 670   $urlMailbox = urlencode($mailbox);
 671
 672   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 673      $source_url = $regs[1];
 674   } else {
 675      $source_url = $PHP_SELF;
 676   }
 677
 678
 679   /*
 680    * This is the beginning of the message list table.
 681    * It wraps around all messages
 682    */
 683
 684     echo "<FORM name=\"messageList\" method=post action=\"$moveURL\">\n"
 685         . html_tag( 'table' ,'' , '', '', 'border="0" width="100%" cellpadding="1"  cellspacing="0"' ) .
 686             html_tag( 'tr',
 687                 html_tag( 'td' ,
 688                     html_tag( 'table' ,
 689                         html_tag( 'tr',
 690                             html_tag( 'td', $paginator, 'left' ) .
 691                             html_tag( 'td', $msg_cnt_str, 'right' )
 692                         )
 693                     , '', $color[4], 'border="0" width="100%" cellpadding="2"  cellspacing="0"' )
 694                 , 'left', '', '' )
 695             , '', $color[0] )
 696         . html_tag( 'tr' ) . "\n"
 697         . html_tag( 'td' ,'' , 'left', $color[0], '' )
 698         . html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="0"  cellspacing="0"' )
 699             . html_tag( 'tr',
 700                 html_tag( 'td',
 701                             '<small>&nbsp;' . _("Move Selected To:") . '</small>',
 702                             'left',
 703                             '',
 704                             'valign="middle" nowrap' ) .
 705                 html_tag( 'td',
 706                             '<small>' . _("Transform Selected Messages") . ': &nbsp; </small>',
 707                             'right',
 708                             '',
 709                             'nowrap' )
 710             )
 711         . html_tag( 'tr' ) ."\n"
 712         . html_tag( 'td', '', 'left', '', 'valign="middle" nowrap' )
 713         . '         <small>&nbsp;<tt><select name="targetMailbox">';
 714
 715   $boxes = sqimap_mailbox_list($imapConnection);
 716   foreach ($boxes as $boxes_part) {
 717     if (!in_array('noselect', $boxes_part['flags'])) {
 718       $box = $boxes_part['unformatted'];
 719       $box2 = str_replace(' ', '&nbsp;', imap_utf7_decode_local($boxes_part['unformatted-disp']));
 720       if( $box2 == 'INBOX' ) {
 721         $box2 = _("INBOX");
 722       }
 723       if ($lastTargetMailbox == $box) {
 724         echo "       <OPTION VALUE=\"$box\" SELECTED>$box2</OPTION>\n";
 725       }
 726       else {
 727         echo "         <OPTION VALUE=\"$box\">$box2</OPTION>\n";
 728       }
 729     }
 730   }
 731   echo '         </SELECT></TT>&nbsp;'
 732     . '<INPUT TYPE="SUBMIT" NAME="moveButton" VALUE="' . _("Move") . '">&nbsp;'
 733     . '<INPUT TYPE="SUBMIT" NAME="attache" VALUE="' . _("Forward")
 734     . "\">&nbsp;\n" . "</SMALL>\n";
 735
 736   echo "      </TD>\n"
 737     . html_tag( 'td', '', 'right', '', 'nowrap' );
 738
 739   if (!$auto_expunge) {
 740     echo '<INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="' . _("Expunge")
 741       . '">&nbsp;' . _("mailbox") . '&nbsp;';
 742   }
 743   echo '<INPUT TYPE="SUBMIT" NAME="markRead" VALUE="' . _("Read") . '">'
 744     . '<INPUT TYPE="SUBMIT" NAME="markUnread" VALUE="' . _("Unread") . '">'
 745     . '<INPUT TYPE="SUBMIT" VALUE="' . _("Delete") . '">&nbsp;'
 746     . "</TD>\n"
 747     . "   </TR>\n";
 748
 749   /* draws thread sorting links */
 750   if ($allow_thread_sort == TRUE) {
 751     if ($thread_sort_messages == 1 ) {
 752       $set_thread = 2;
 753       $thread_name = _("Unthread View");
 754     }
 755         elseif ($thread_sort_messages == 0) {
 756       $set_thread = 1;
 757       $thread_name = _("Thread View");
 758     }
 759         echo html_tag( 'tr' ,
 760                     html_tag( 'td' ,
 761                               '&nbsp;<a href=' . $source_url . '?sort='
 762                               . "$sort" . '&start_messages=1&set_thread=' . "$set_thread"
 763                               . '&mailbox=' . urlencode($mailbox) . '><small>' . $thread_name
 764                               . '</a></small>&nbsp;'
 765                      , '', '', '' )
 766                  , '', '', '' );
 767   }
 768
 769   echo "</TABLE>\n";
 770
 771     echo "</table>\n";
 772
 773     do_hook('mailbox_form_before');
 774
 775     echo '</td></tr>'
 776     .  html_tag( 'tr' )
 777     . html_tag( 'td' ,'' , '', $color[0], '' );
 778     if ($GLOBALS['alt_index_colors']){
 779         $cellspacing =  '0';
 780     } else {
 781         $cellspacing = '1';
 782     }
 783     echo html_tag( 'table' ,'' , '', $color[0], 'border="0" width="100%" cellpadding="2"  cellspacing="'. $cellspacing .'"' )
 784     . html_tag( 'tr' ,'' , 'center', $color[5] );
 785     /* if using server sort we highjack the
 786     * the $sort var and use $server_sort_order
 787     * instead. but here we reset sort for a bit
 788     * since its easy
 789     */
 790     if ($allow_server_sort == TRUE) {
 791         $sort = $server_sort_order;
 792     }
 793
 794     $showsort = false;
 795     if ($allow_thread_sort != TRUE || $thread_sort_messages != 1) {
 796        $showsort = true;
 797     }
 798     /* quick hack to support search.php */
 799     if (preg_match('/.+search\.php.*/',$source_url, $regs)) {
 800        $showsort = false;
 801     }
 802
 803     /* Print the headers. */
 804     printHeader($mailbox, $sort, $showsort);
 805
 806     /* if using server-sorting,
 807     * send sort back to 6
 808     */
 809     if ($allow_server_sort == TRUE) {
 810         $sort = 6;
 811     }
 812     echo "</tr>\n";
 813
 814 }
 815
 816 function printHeader($mailbox,$sort, $showsort=true) {
 817   global $index_order;
 818
 819     for ($i=1; $i <= count($index_order); $i++) {
 820         switch ($index_order[$i]) {
 821         case 1: /* checkbox */
 822         case 5: /* flags */
 823             echo html_tag( 'td' ,'&nbsp;' , '', '', 'width="1%"' );
 824             break;
 825         case 2: /* from */
 826             if (handleAsSent($mailbox)) {
 827                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 828                 . '<b>' . _("To") . '</b>';
 829             } else {
 830                 echo html_tag( 'td' ,'' , 'left', '', 'width="25%"' )
 831                 . '<b>' . _("From") . '</b>';
 832             }
 833             if ($showsort) {
 834                 ShowSortButton($sort, $mailbox, 2, 3);
 835             }
 836             echo "</td>\n";
 837             break;
 838         case 3: /* date */
 839             echo html_tag( 'td' ,'' , 'left', '', 'width="5%" nowrap' )
 840             . '<b>' . _("Date") . '</b>';
 841             if ($showsort) {
 842                 ShowSortButton($sort, $mailbox, 0, 1);
 843             }
 844             echo "</td>\n";
 845             break;
 846         case 4: /* subject */
 847             echo html_tag( 'td' ,'' , 'left', '', '' )
 848             . '<b>' . _("Subject") . '</b>';
 849             if ($showsort) {
 850                 ShowSortButton($sort, $mailbox, 4, 5);
 851             }
 852             echo "</td>\n";
 853             break;
 854         case 6: /* size */
 855             echo html_tag( 'td', '<b>' . _("Size") . '</b>', 'center', '', 'width="5%"' );
 856             break;
 857         }
 858     }
 859
 860 }
 861
 862 /*
 863  * This function shows the sort button. Isn't this a good comment?
 864  */
 865 function ShowSortButton($sort, $mailbox, $Up, $Down ) {
 866   global $PHP_SELF;
 867   /* Figure out which image we want to use. */
 868   if ($sort != $Up && $sort != $Down) {
 869     $img = 'sort_none.png';
 870     $which = $Up;
 871   } elseif ($sort == $Up) {
 872     $img = 'up_pointer.png';
 873     $which = $Down;
 874   } else {
 875     $img = 'down_pointer.png';
 876     $which = 6;
 877   }
 878
 879   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 880      $source_url = $regs[1];
 881   } else {
 882      $source_url = $PHP_SELF;
 883   }
 884
 885   /* Now that we have everything figured out, show the actual button. */
 886   echo ' <a href="' . $source_url .'?newsort=' . $which
 887     . '&amp;startMessage=1&amp;mailbox=' . urlencode($mailbox)
 888     . '"><IMG SRC="../images/' . $img
 889     . '" BORDER=0 WIDTH=12 HEIGHT=10 ALT="sort"></a>';
 890 }
 891
 892 function get_selectall_link($start_msg, $sort) {
 893   global $checkall, $what, $where, $mailbox, $javascript_on;
 894   global $PHP_SELF, $PG_SHOWNUM;
 895
 896   $result = '';
 897   if ($javascript_on) {
 898     $result =
 899       '<script language="JavaScript" type="text/javascript">'
 900       . "\n<!-- \n"
 901       . "function CheckAll() {\n"
 902       . "  for (var i = 0; i < document.messageList.elements.length; i++) {\n"
 903       . "    if(document.messageList.elements[i].type == 'checkbox'){\n"
 904       . "      document.messageList.elements[i].checked = "
 905       . "        !(document.messageList.elements[i].checked);\n"
 906       . "    }\n"
 907       . "  }\n"
 908       . "}\n"
 909       . "//-->\n"
 910       . '</script><a href="#" onClick="CheckAll();">' . _("Toggle All")
 911       . "</a>\n";
 912   } else {
 913     if (strpos($PHP_SELF, "?")) {
 914       $result .= "<a href=\"$PHP_SELF&amp;mailbox=" . urlencode($mailbox)
 915         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 916     } else {
 917       $result .= "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox)
 918         . "&amp;startMessage=$start_msg&amp;sort=$sort&amp;checkall=";
 919     }
 920     if (isset($checkall) && $checkall == '1') {
 921       $result .= '0';
 922     } else {
 923       $result .= '1';
 924     }
 925
 926     if (isset($where) && isset($what)) {
 927       $result .= '&amp;where=' . urlencode($where)
 928         . '&amp;what=' . urlencode($what);
 929     }
 930
 931     $result .= "\">";
 932
 933     if (isset($checkall) && ($checkall == '1')) {
 934       $result .= _("Unselect All");
 935     } else {
 936       $result .= _("Select All");
 937     }
 938
 939     $result .= "</A>\n";
 940   }
 941
 942   /* Return our final result. */
 943   return ($result);
 944 }
 945
 946 /*
 947  * This function computes the "Viewing Messages..." string.
 948  */
 949 function get_msgcnt_str($start_msg, $end_msg, $num_msgs) {
 950   /* Compute the $msg_cnt_str. */
 951   $result = '';
 952   if ($start_msg < $end_msg) {
 953     $result = sprintf(_("Viewing Messages: <B>%s</B> to <B>%s</B> (%s total)"),
 954                       $start_msg, $end_msg, $num_msgs);
 955   } else if ($start_msg == $end_msg) {
 956     $result = sprintf(_("Viewing Message: <B>%s</B> (1 total)"), $start_msg);
 957   } else {
 958     $result = '<br>';
 959   }
 960
 961   /* Return our result string. */
 962   return ($result);
 963 }
 964
 965 /*
 966  * Generate a paginator link.
 967  */
 968 function get_paginator_link($box, $start_msg, $use, $text) {
 969   global $PHP_SELF;
 970
 971   if (preg_match('/^(.+)\?.+$/',$PHP_SELF,$regs)) {
 972      $source_url = $regs[1];
 973   } else {
 974      $source_url = $PHP_SELF;
 975   }
 976
 977   $result = '<A HREF="'. $source_url . "?use_mailbox_cache=$use"
 978     . "&amp;startMessage=$start_msg&amp;mailbox=$box\" "
 979     . "TARGET=\"right\">$text</A>";
 980   return ($result);
 981 }
 982
 983 /*
 984  * This function computes the paginator string.
 985  */
 986 function get_paginator_str($box, $start_msg, $end_msg, $num_msgs,
 987                            $show_num, $sort) {
 988   global $username, $data_dir, $use_mailbox_cache, $color, $PG_SHOWNUM;
 989
 990   /* Initialize paginator string chunks. */
 991   $prv_str = '';
 992   $nxt_str = '';
 993   $pg_str = '';
 994   $all_str = '';
 995   $tgl_str = '';
 996
 997   /* Create simple strings that will be creating the paginator. */
 998   $spc = '&nbsp;';     /* This will be used as a space. */
 999   $sep = '|';          /* This will be used as a seperator. */
1000
1001   /* Get some paginator preference values. */
1002   $pg_sel = getPref($data_dir, $username, 'page_selector', SMPREF_ON);
1003   $pg_max = getPref($data_dir, $username, 'page_selector_max', PG_SEL_MAX);
1004
1005   /* Make sure that our start message number is not too big. */
1006   $start_msg = min($start_msg, $num_msgs);
1007
1008   /* Decide whether or not we will use the mailbox cache. */
1009   /* Not sure why $use_mailbox_cache is even passed in.   */
1010   if ($sort == 6) {
1011     $use = 0;
1012   } else {
1013     $use = 1;
1014   }
1015
1016   /* Compute the starting message of the previous and next page group. */
1017   $next_grp = $start_msg + $show_num;
1018   $prev_grp = $start_msg - $show_num;
1019
1020   /* Compute the basic previous and next strings. */
1021   if (($next_grp <= $num_msgs) && ($prev_grp >= 0)) {
1022     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1023     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1024   } else if (($next_grp > $num_msgs) && ($prev_grp >= 0)) {
1025     $prv_str = get_paginator_link($box, $prev_grp, $use, _("Previous"));
1026     $nxt_str = "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
1027   } else if (($next_grp <= $num_msgs) && ($prev_grp < 0)) {
1028     $prv_str = "<FONT COLOR=\"$color[9]\">"._("Previous") . '</FONT>';
1029     $nxt_str = get_paginator_link($box, $next_grp, $use, _("Next"));
1030   }
1031
1032   /* Page selector block. Following code computes page links. */
1033   if ($pg_sel && ($num_msgs > $show_num)) {
1034     /* Most importantly, what is the current page!!! */
1035     $cur_pg = intval($start_msg / $show_num) + 1;
1036
1037     /* Compute total # of pages and # of paginator page links. */
1038       $tot_pgs = ceil($num_msgs / $show_num);  /* Total number of Pages */
1039       $vis_pgs = min($pg_max, $tot_pgs - 1);   /* Visible Pages    */
1040
1041       /* Compute the size of the four quarters of the page links. */
1042
1043       /* If we can, just show all the pages. */
1044       if (($tot_pgs - 1) <= $pg_max) {
1045         $q1_pgs = $cur_pg - 1;
1046         $q2_pgs = $q3_pgs = 0;
1047         $q4_pgs = $tot_pgs - $cur_pg;
1048
1049         /* Otherwise, compute some magic to choose the four quarters. */
1050       } else {
1051         /*
1052          * Compute the magic base values. Added together,
1053          * these values will always equal to the $pag_pgs.
1054          * NOTE: These are DEFAULT values and do not take
1055          * the current page into account. That is below.
1056          */
1057         $q1_pgs = floor($vis_pgs/4);
1058         $q2_pgs = round($vis_pgs/4, 0);
1059         $q3_pgs = ceil($vis_pgs/4);
1060         $q4_pgs = round(($vis_pgs - $q2_pgs)/3, 0);
1061
1062         /* Adjust if the first quarter contains the current page. */
1063         if (($cur_pg - $q1_pgs) < 1) {
1064           $extra_pgs = ($q1_pgs - ($cur_pg - 1)) + $q2_pgs;
1065           $q1_pgs = $cur_pg - 1;
1066           $q2_pgs = 0;
1067           $q3_pgs += ceil($extra_pgs / 2);
1068           $q4_pgs += floor($extra_pgs / 2);
1069
1070           /* Adjust if the first and second quarters intersect. */
1071         } else if (($cur_pg - $q2_pgs - ceil($q2_pgs/3)) <= $q1_pgs) {
1072           $extra_pgs = $q2_pgs;
1073           $extra_pgs -= ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1074           $q2_pgs = ceil(($cur_pg - $q1_pgs - 1) * 0.75);
1075           $q3_pgs += ceil($extra_pgs / 2);
1076           $q4_pgs += floor($extra_pgs / 2);
1077
1078           /* Adjust if the fourth quarter contains the current page. */
1079         } else if (($cur_pg + $q4_pgs) >= $tot_pgs) {
1080           $extra_pgs = ($q4_pgs - ($tot_pgs - $cur_pg)) + $q3_pgs;
1081           $q3_pgs = 0;
1082           $q4_pgs = $tot_pgs - $cur_pg;
1083           $q1_pgs += floor($extra_pgs / 2);
1084           $q2_pgs += ceil($extra_pgs / 2);
1085
1086           /* Adjust if the third and fourth quarter intersect. */
1087         } else if (($cur_pg + $q3_pgs + 1) >= ($tot_pgs - $q4_pgs + 1)) {
1088           $extra_pgs = $q3_pgs;
1089           $extra_pgs -= ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1090           $q3_pgs = ceil(($tot_pgs - $cur_pg - $q4_pgs) * 0.75);
1091           $q1_pgs += floor($extra_pgs / 2);
1092           $q2_pgs += ceil($extra_pgs / 2);
1093         }
1094       }
1095
1096       /*
1097        * I am leaving this debug code here, commented out, because
1098        * it is a really nice way to see what the above code is doing.
1099        * echo "qts =  $q1_pgs/$q2_pgs/$q3_pgs/$q4_pgs = "
1100        *    . ($q1_pgs + $q2_pgs + $q3_pgs + $q4_pgs) . '<br>';
1101        */
1102
1103       /* Print out the page links from the compute page quarters. */
1104
1105       /* Start with the first quarter. */
1106       if (($q1_pgs == 0) && ($cur_pg > 1)) {
1107         $pg_str .= "...$spc";
1108       } else {
1109         for ($pg = 1; $pg <= $q1_pgs; ++$pg) {
1110           $start = (($pg-1) * $show_num) + 1;
1111           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1112         }
1113         if ($cur_pg - $q2_pgs - $q1_pgs > 1) {
1114           $pg_str .= "...$spc";
1115         }
1116       }
1117
1118       /* Continue with the second quarter. */
1119       for ($pg = $cur_pg - $q2_pgs; $pg < $cur_pg; ++$pg) {
1120         $start = (($pg-1) * $show_num) + 1;
1121         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1122       }
1123
1124       /* Now print the current page. */
1125       $pg_str .= $cur_pg . $spc;
1126
1127       /* Next comes the third quarter. */
1128       for ($pg = $cur_pg + 1; $pg <= $cur_pg + $q3_pgs; ++$pg) {
1129         $start = (($pg-1) * $show_num) + 1;
1130         $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1131       }
1132
1133       /* And last, print the forth quarter page links. */
1134       if (($q4_pgs == 0) && ($cur_pg < $tot_pgs)) {
1135         $pg_str .= "...$spc";
1136       } else {
1137         if (($tot_pgs - $q4_pgs) > ($cur_pg + $q3_pgs)) {
1138           $pg_str .= "...$spc";
1139         }
1140         for ($pg = $tot_pgs - $q4_pgs + 1; $pg <= $tot_pgs; ++$pg) {
1141           $start = (($pg-1) * $show_num) + 1;
1142           $pg_str .= get_paginator_link($box, $start, $use, $pg) . $spc;
1143         }
1144       }
1145   } else if ($PG_SHOWNUM == 999999) {
1146     $pg_str = "<A HREF=\"right_main.php?PG_SHOWALL=0"
1147       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1148       . "TARGET=\"right\">" ._("Paginate") . '</A>' . $spc;
1149   }
1150
1151   /* If necessary, compute the 'show all' string. */
1152   if (($prv_str != '') || ($nxt_str != '')) {
1153     $all_str = "<A HREF=\"right_main.php?PG_SHOWALL=1"
1154       . "&amp;use_mailbox_cache=$use&amp;startMessage=1&amp;mailbox=$box\" "
1155       . "TARGET=\"right\">" . _("Show All") . '</A>';
1156   }
1157
1158   /* Last but not least, get the value for the toggle all link. */
1159   $tgl_str = get_selectall_link($start_msg, $sort);
1160
1161   /* Put all the pieces of the paginator string together. */
1162   /**
1163    * Hairy code... But let's leave it like it is since I am not certain
1164    * a different approach would be any easier to read. ;)
1165    */
1166   $result = '';
1167   $result .= ($prv_str != '' ? $prv_str . $spc . $sep . $spc : '');
1168   $result .= ($nxt_str != '' ? $nxt_str . $spc . $sep . $spc : '');
1169   $result .= ($pg_str != '' ? $pg_str : '');
1170   $result .= ($all_str != '' ? $sep . $spc . $all_str . $spc : '');
1171   $result .= ($result != '' ? $sep . $spc . $tgl_str: $tgl_str);
1172
1173   /* If the resulting string is blank, return a non-breaking space. */
1174   if ($result == '') {
1175     $result = '&nbsp;';
1176   }
1177
1178   /* Return our final magical paginator string. */
1179   return ($result);
1180 }
1181
1182 function processSubject($subject) {
1183   /* Shouldn't ever happen -- caught too many times in the IMAP functions */
1184   if ($subject == '')
1185     return _("(no subject)");
1186
1187   if (strlen($subject) <= 55)
1188     return $subject;
1189
1190   $ent_strlen=strlen($subject);
1191   $trim_val=50;
1192   $ent_offset=0;
1193   /*
1194    * see if this is entities-encoded string
1195    * If so, Iterate through the whole string, find out
1196    * the real number of characters, and if more
1197    * than 55, substr with an updated trim value.
1198    */
1199   while ( (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
1200           (($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false) ) {
1201     $trim_val += ($ent_loc_end-$ent_loc)+1;
1202     $ent_strlen -= $ent_loc_end-$ent_loc;
1203     $ent_offset = $ent_loc_end+1;
1204   }
1205
1206   if ($ent_strlen <= 55){
1207     return $subject;
1208   }
1209
1210   return substr($subject, 0, $trim_val) . '...';
1211 }
1212
1213 function handleAsSent($mailbox) {
1214   global $sent_folder, $draft_folder, $handleAsSent_result;
1215
1216   /* First check if this is the sent or draft folder. */
1217   $handleAsSent_result = (($mailbox == $sent_folder)
1218                           || ($mailbox == $draft_folder));
1219
1220   /* Then check the result of the handleAsSent hook. */
1221   do_hook('check_handleAsSent_result', $mailbox);
1222
1223   /* And return the result. */
1224   return ($handleAsSent_result);
1225 }
1226
1227 ?>