Truncate sender taking html entities in account (like Subject)

[squirrelmail.git] / functions / mailbox_display.php

<?php

/**
 * mailbox_display.php
 *
 * Copyright (c) 1999-2003 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This contains functions that display mailbox information, such as the
 * table row that has sender, date, subject, etc...
 *
 * $Id$
 */

require_once(SM_PATH . 'functions/strings.php');
require_once(SM_PATH . 'functions/html.php');
require_once(SM_PATH . 'class/html.class.php');
require_once(SM_PATH . 'functions/imap_mailbox.php');
require_once(SM_PATH . 'functions/imap_messages.php');
require_once(SM_PATH . 'functions/mime.php');

/* Constants:
 *   PG_SEL_MAX:   default value for page_selector_max
 *   SUBJ_TRIM_AT: the length at which we trim off subjects
 */
define('PG_SEL_MAX', 10);
define('SUBJ_TRIM_AT', 55);

function elapsed($start)
{
   $end = microtime();
   list($start2, $start1) = explode(" ", $start);
   list($end2, $end1) = explode(" ", $end);
  $diff1 = $end1 - $start1;
   $diff2 = $end2 - $start2;
   if( $diff2 < 0 ){
       $diff1 -= 1;
       $diff2 += 1.0;
  }
   return $diff2 + $diff1;
}

function printMessageInfo($imapConnection, $t, $not_last=true, $key, $mailbox,
                          $start_msg, $where, $what) {
    global $checkall,
           $color, $msgs, $msort, $td_str, $msg, 
           $default_use_priority,
           $message_highlight_list,
           $index_order,
           $indent_array,         /* indent subject by */
           $pos,                  /* Search postion (if any)  */
           $thread_sort_messages, /* thread sorting on/off */
           $server_sort_order,    /* sort value when using server-sorting */
           $row_count,
           $allow_server_sort,    /* enable/disable server-side sorting */
           $truncate_sender,      /* number of characters for From/To field (<= 0 for unchanged) */
           $email_address;

    $color_string = $color[4];

    if ($GLOBALS['alt_index_colors']) {
        if (!isset($row_count)) {
            $row_count = 0;
        }
        $row_count++;
        if ($row_count % 2) {
            if (!isset($color[12])) {
                $color[12] = '#EAEAEA';
            }
            $color_string = $color[12];
        }
    }
    $msg = $msgs[$key];

    if($mailbox == 'None') {
        $boxes   = sqimap_mailbox_list($imapConnection);
        $mailbox = $boxes[0]['unformatted'];
        unset($boxes);
    }
    $urlMailbox = urlencode($mailbox);

    $bSentFolder = handleAsSent($mailbox);
    // If the From address is the same as $email_address, then handle as Sent
    $from_array = parseAddress($msg['FROM'], 1);
    if (!isset($email_address)) {
        global $datadir, $username;
        $email_address = getPref($datadir, $username, 'email_address');
    }
    $bHandleAsSent = ($bSentFolder) || ((isset($from_array[0][0])) && ($from_array[0][0] == $email_address));
    // If this is a Sent message, display To address instead of From
    if ($bHandleAsSent)	
       $msg['FROM'] = $msg['TO'];
    // Passing 1 below results in only 1 address being parsed, thus defeating the following code
    $msg['FROM'] = parseAddress($msg['FROM']/*,1*/);

       /*
        * This is done in case you're looking into Sent folders,
        * because you can have multiple receivers.
        */
    $senderNames = $msg['FROM'];
    $senderName  = '';
    $senderAddress = '';
    if (sizeof($senderNames)){
        foreach ($senderNames as $senderNames_part) {
            if ($senderName != '') {
                $senderName .= ', ';
                $senderAddress .= ', ';
            }
            $sender_address_part = htmlspecialchars($senderNames_part[0]);
            $sender_name_part = str_replace('&nbsp;',' ', decodeHeader($senderNames_part[1]));
            if ($sender_name_part) {
                $senderName .= $sender_name_part;
                $senderAddress .= $sender_name_part . ' <' . $sender_address_part . '>';
            } else {
                $senderName .= $sender_address_part;
                $senderAddress .= $sender_address_part;
            }
        }
    }
    // If Sent, prefix with To: but only if not Sent folder
    if ($bHandleAsSent ^ $bSentFolder) {
        $senderName = _("To:") . ' ' . $senderName;
        $senderAddress = _("To:") . ' ' . $senderAddress;
    }

    if ($truncate_sender > 0)
       $senderName = truncateWithEntities($senderName, $truncate_sender);

    echo html_tag( 'tr','','','','VALIGN="top"') . "\n";

    if (isset($msg['FLAG_FLAGGED']) && ($msg['FLAG_FLAGGED'] == true)) {
        $flag = "<font color=\"$color[2]\">";
        $flag_end = '</font>';
    } else {
        $flag = '';
        $flag_end = '';
    }
    if (!isset($msg['FLAG_SEEN']) || ($msg['FLAG_SEEN'] == false)) {
        $bold = '<b>';
        $bold_end = '</b>';
    } else {
        $bold = '';
        $bold_end = '';
    }
    if ($bHandleAsSent) {
        $italic = '<i>';
        $italic_end = '</i>';
    } else {
        $italic = '';
        $italic_end = '';
    }
    if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
        $fontstr = "<font color=\"$color[9]\">";
        $fontstr_end = '</font>';
    } else {
        $fontstr = '';
        $fontstr_end = '';
    }

    if ($where && $what) {
        $searchstr = '&amp;where='.$where.'&amp;what='.$what;
    } else {
        $searchstr = '';
    }

    if (is_array($message_highlight_list) && count($message_highlight_list)) {
        $msg['TO'] = parseAddress($msg['TO']);
        $msg['CC'] = parseAddress($msg['CC']);
        foreach ($message_highlight_list as $message_highlight_list_part) {
            if (trim($message_highlight_list_part['value']) != '') {
                $high_val   = strtolower($message_highlight_list_part['value']);
                $match_type = strtoupper($message_highlight_list_part['match_type']);
                if($match_type == 'TO_CC') {
                    $match = array('TO', 'CC');
                } else {
                    $match = array($match_type);
                }
                foreach($match as $match_type) {
                    switch($match_type) {
                        case('TO'):
                        case('CC'):
                        case('FROM'):
                            foreach ($msg[$match_type] as $address) {
                                $address[0] = decodeHeader($address[0], true, false);
                                $address[1] = decodeHeader($address[1], true, false);
                                if (strstr('^^' . strtolower($address[0]), $high_val) ||
                                    strstr('^^' . strtolower($address[1]), $high_val)) {
                                    $hlt_color = $message_highlight_list_part['color'];
                                    break 4;
                                }
                            }
                            break;
                        default:
                            $headertest = strtolower(decodeHeader($msg[$match_type], true, false));
                            if (strstr('^^' . $headertest, $high_val)) {
                                $hlt_color = $message_highlight_list_part['color'];
                                break 3; 
                            }
                            break;
                    }
                }
            }
        }
    }

    if (!isset($hlt_color)) {
        $hlt_color = $color_string;
    }
    $checked = ($checkall == 1) ? ' CHECKED' : '';
    $col = 0;
    $msg['SUBJECT'] = str_replace('&nbsp;', ' ', decodeHeader($msg['SUBJECT']));
    $subject = processSubject($msg['SUBJECT'], $indent_array[$msg['ID']]);
    if (sizeof($index_order)) {
        foreach ($index_order as $index_order_part) {
            switch ($index_order_part) {
            case 1: /* checkbox */
                echo html_tag( 'td',
                               "<input type=checkbox name=\"msg[$t]\" value=\"".$msg['ID']."\"$checked>",
                               'center',
                               $hlt_color );
                break;
            case 2: /* from */
                if ($senderAddress != $senderName) {
                    $senderAddress = strtr($senderAddress, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
                    $title = ' title="' . str_replace('"', "''", $senderAddress) . '"';
                }
                else
                    $title = '';
                echo html_tag( 'td',
                               $italic . $bold . $flag . $fontstr . $senderName .
                               $fontstr_end . $flag_end . $bold_end . $italic_end,
                               'left',
                               $hlt_color, $title );
                break;
            case 3: /* date */
                $date_string = $msg['DATE_STRING'] . '';
                if ($date_string == '') {
                    $date_string = _("Unknown date");
                }
                echo html_tag( 'td',
                               $bold . $flag . $fontstr . $date_string .
                               $fontstr_end . $flag_end . $bold_end,
                               'center',
                               $hlt_color,
                               'nowrap' );
                break;
            case 4: /* subject */
                $td_str = $bold;
                if ($thread_sort_messages == 1) {
                    if (isset($indent_array[$msg['ID']])) {
                        $td_str .= str_repeat("&nbsp;&nbsp;&nbsp;&nbsp;",$indent_array[$msg['ID']]);
                    }
                }
                $td_str .= '<a href="read_body.php?mailbox='.$urlMailbox
                        .  '&amp;passed_id='. $msg["ID"]
                        .  '&amp;startMessage='.$start_msg.$searchstr.'"';
                $td_str .= ' ' .concat_hook_function('subject_link', array($start_msg, $searchstr));
                if ($subject != $msg['SUBJECT']) {
                    $title = get_html_translation_table(HTML_SPECIALCHARS);
                    $title = array_flip($title);
                    $title = strtr($msg['SUBJECT'], $title);
                    $title = str_replace('"', "''", $title);
                    $td_str .= " title=\"$title\"";
                }
                $td_str .= ">$flag$subject$flag_end</a>$bold_end";
                echo html_tag( 'td', $td_str, 'left', $hlt_color );
                break;