func.inc

开源邮件管理系统

  $framename = $attrib['id'];

  $out = sprintf('<iframe name="%s"%s></iframe>'."\n",
         $framename,
         $attrib_str);

  $OUTPUT->set_env('contentframe', $framename);
  $OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');

  return $out;
  }


/**
 *
 */
function rcmail_messagecount_display($attrib)
  {
  global $IMAP, $OUTPUT;
  
  if (!$attrib['id'])
    $attrib['id'] = 'rcmcountdisplay';

  $OUTPUT->add_gui_object('countdisplay', $attrib['id']);

  // allow the following attributes to be added to the <span> tag
  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));

  
  $out = '<span' . $attrib_str . '>';
  $out .= rcmail_get_messagecount_text();
  $out .= '</span>';
  return $out;
  }


/**
 *
 */
function rcmail_quota_display($attrib)
  {
  global $OUTPUT, $COMM_PATH;

  if (!$attrib['id'])
    $attrib['id'] = 'rcmquotadisplay';

  if(isset($attrib['display']))
    $_SESSION['quota_display'] = $attrib['display'];

  $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);

  // allow the following attributes to be added to the <span> tag
  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'display'));

  $out = '<span' . $attrib_str . '>';
  $out .= rcmail_quota_content();
  $out .= '</span>';
  return $out;
  }


/**
 *
 */
function rcmail_quota_content($quota=NULL)
  {
  global $IMAP, $COMM_PATH;

  $display = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';

  if (is_array($quota) && !empty($quota['used']) && !empty($quota['total']))
    {
      if (!isset($quota['percent']))
        $quota['percent'] = $quota['used'] / $quota['total'];
    }
  elseif (!$IMAP->get_capability('QUOTA'))
    return rcube_label('unknown');
  else
    $quota = $IMAP->get_quota();

  if ($quota)
    {
    $quota_text = sprintf('%s / %s (%.0f%%)',
                          show_bytes($quota['used'] * 1024),
                          show_bytes($quota['total'] * 1024),
                          $quota['percent']);

    // show quota as image (by Brett Patterson)
    if ($display == 'image' && function_exists('imagegif'))
      {
      $attrib = array('width' => 100, 'height' => 14);
      $quota_text = sprintf('<img src="./bin/quotaimg.php?u=%s&amp;q=%d&amp;w=%d&amp;h=%d" width="%d" height="%d" alt="%s" title="%s / %s" />',
                            $quota['used'], $quota['total'],
                            $attrib['width'], $attrib['height'],
                            $attrib['width'], $attrib['height'],
                            $quota_text,
                            show_bytes($quota["used"] * 1024),
                            show_bytes($quota["total"] * 1024));
      }
    }
  else
    $quota_text = rcube_label('unlimited');

  return $quota_text;
  }


/**
 *
 */
function rcmail_get_messagecount_text($count=NULL, $page=NULL)
  {
  global $IMAP, $MESSAGE;
  
  if (isset($MESSAGE->index))
    {
    return rcube_label(array('name' => 'messagenrof',
                             'vars' => array('nr'  => $MESSAGE->index+1,
                                             'count' => $count!==NULL ? $count : $IMAP->messagecount())));
    }

  if ($page===NULL)
    $page = $IMAP->list_page;
    
  $start_msg = ($page-1) * $IMAP->page_size + 1;
  $max = $count!==NULL ? $count : $IMAP->messagecount();

  if ($max==0)
    $out = rcube_label('mailboxempty');
  else
    $out = rcube_label(array('name' => 'messagesfromto',
                              'vars' => array('from'  => $start_msg,
                                              'to'    => min($max, $start_msg + $IMAP->page_size - 1),
                                              'count' => $max)));

  return Q($out);
  }


/**
 * Convert the given message part to proper HTML
 * which can be displayed the message view
 *
 * @param object rcube_message_part Message part
 * @param bool  True if external objects (ie. images ) are allowed
 * @param bool  True if part should be converted to plaintext
 * @return string Formatted HTML string
 */
function rcmail_print_body($part, $safe=false, $plain=false)
{
  global $REMOTE_OBJECTS;
  
  // convert html to text/plain
  if ($part->ctype_secondary == 'html' && $plain) {
    $txt = new html2text($part->body, false, true);
    $body = $txt->get_text();
    $part->ctype_secondary = 'plain';
  }
  // text/html
  else if ($part->ctype_secondary == 'html') {
    // charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly
    $html = $part->body; 
    if(preg_match('/(\s+content=[\'"]\w+\/\w+;\s+charset)=([a-z0-9-]+)/i', $html)) 
      $html = preg_replace('/(\s+content=[\'"]\w+\/\w+;\s+charset)=([a-z0-9-]+)/i', '\\1='.RCMAIL_CHARSET, $html); 
    else 
      $html = substr_replace($html, '<meta http-equiv="Content-Type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '</head>')), 0);
    
    // clean HTML with washhtml by Frederic Motte
    $body = washtml::wash($html, array(
      'show_washed' => false,
      'allow_remote' => $safe,
      'blocked_src' => "./program/blocked.gif",
      'charset' => RCMAIL_CHARSET,
      'cid_map' => $part->replaces,
      ), $full_inline);

    $REMOTE_OBJECTS = !$full_inline;

    return $body;
  }
  // text/enriched
  else if ($part->ctype_secondary=='enriched') {
    $part->ctype_secondary = 'html';
    return Q(enriched_to_html($body), 'show');
  }
  else
    $body = $part->body;


  /**** assert plaintext ****/

  // make links and email-addresses clickable
  $convert_patterns = $convert_replaces = $replace_strings = array();
  
  $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
  $url_chars_within = '\?\.~,!';

  $convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
  $convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', \$replace_strings)";

  $convert_patterns[] = "/([^\/:]|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
  $convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', \$replace_strings)";
  
  $convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/ie';
  $convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
  
//    if ($part->ctype_parameters['format'] != 'flowed')
//      $body = wordwrap(trim($body), 80);

  // search for patterns like links and e-mail addresses
  $body = preg_replace($convert_patterns, $convert_replaces, $body);

  // split body into single lines
  $a_lines = preg_split('/\r?\n/', $body);
  $quote_level = 0;

  // colorize quoted parts
  for ($n=0; $n < sizeof($a_lines); $n++) {
    $line = $a_lines[$n];
    $quotation = '';
    $q = 0;
    
    if (preg_match('/^(>+\s*)+/', $line, $regs)) {
      $q    = strlen(preg_replace('/\s/', '', $regs[0]));
      $line = substr($line, strlen($regs[0]));

      if ($q > $quote_level)
        $quotation = str_repeat('<blockquote>', $q - $quote_level);
      else if ($q < $quote_level)
        $quotation = str_repeat("</blockquote>", $quote_level - $q);
    }
    else if ($quote_level > 0)
      $quotation = str_repeat("</blockquote>", $quote_level);

    $quote_level = $q;
    $a_lines[$n] = $quotation . Q($line, 'replace', false);  // htmlquote plaintext
  }

  // insert the links for urls and mailtos
  $body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
  
  return "<div class=\"pre\">".$body."\n</div>";
  }



/**
 * add a string to the replacement array and return a replacement string
 */
function rcmail_str_replacement($str, &$rep)
  {
  static $count = 0;
  $rep[$count] = stripslashes($str);
  return "##string_replacement{".($count++)."}##";
  }



/**
 * return table with message headers
 */
function rcmail_message_headers($attrib, $headers=NULL)
  {
  global $IMAP, $OUTPUT, $MESSAGE;
  static $sa_attrib;
  
  // keep header table attrib
  if (is_array($attrib) && !$sa_attrib)
    $sa_attrib = $attrib;
  else if (!is_array($attrib) && is_array($sa_attrib))
    $attrib = $sa_attrib;
  
  
  if (!isset($MESSAGE))
    return FALSE;

  // get associative array of headers object
  if (!$headers)
    $headers = is_object($MESSAGE->headers) ? get_object_vars($MESSAGE->headers) : $MESSAGE->headers;
    
  // add empty subject if none exsists
  if (empty($headers['subject']))
    $headers['subject'] = rcube_label('nosubject');
  
  $header_count = 0;
  
  // allow the following attributes to be added to the <table> tag
  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
  $out = '<table' . $attrib_str . ">\n";

  // show these headers
  $standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'reply-to', 'date');
  
  foreach ($standard_headers as $hkey)
    {
    if (!$headers[$hkey])
      continue;

    if ($hkey=='date' && !empty($headers[$hkey]))
      $header_value = format_date($headers[$hkey]);
    else if (in_array($hkey, array('from', 'to', 'cc', 'bcc', 'reply-to')))
      $header_value = Q(rcmail_address_string($headers[$hkey], NULL, $attrib['addicon']), 'show');
    else
      $header_value = Q($IMAP->decode_header($headers[$hkey]));

    $out .= "\n<tr>\n";
    $out .= '<td class="header-title">'.Q(rcube_label($hkey)).":&nbsp;</td>\n";
    $out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
    $header_count++;
    }

  $out .= "\n</table>\n\n";

  return $header_count ? $out : '';  
  }


/**
 * Handler for the 'messagebody' GUI object
 *
 * @param array Named parameters
 * @return string HTML content showing the message body
 */
function rcmail_message_body($attrib)
  {
  global $CONFIG, $OUTPUT, $MESSAGE, $IMAP, $REMOTE_OBJECTS;
  
  if (!is_array($MESSAGE->parts) && empty($MESSAGE->body))
    return '';
    
  if (!$attrib['id'])
    $attrib['id'] = 'rcmailMsgBody';

  $safe_mode = $MESSAGE->is_safe || intval($_GET['_safe']);
  $out = '';
  
  $header_attrib = array();
  foreach ($attrib as $attr => $value)
    if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
      $header_attrib[$regs[1]] = $value;

  if (!empty($MESSAGE->parts))
    {
    foreach ($MESSAGE->parts as $i => $part)
      {
      if ($part->type == 'headers')
        $out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part->headers);
      else if ($part->type == 'content')
        {
        if (empty($part->ctype_parameters) || empty($part->ctype_parameters['charset']))
          $part->ctype_parameters['charset'] = $MESSAGE->headers->charset;

        // fetch part if not available
        if (!isset($part->body))
          $part->body = $MESSAGE->get_part_content($part->mime_id);

        $body = rcmail_print_body($part, $safe_mode, !$CONFIG['prefer_html']);
        
        if ($part->ctype_secondary == 'html')
          $out .= html::div('message-htmlpart', rcmail_html4inline($body, $attrib['id']));
        else
          $out .= html::div('message-part', $body);
        }
      }
    }
  else
    $out .= html::div('message-part', html::div('pre', Q($MESSAGE->body)));


  $ctype_primary = strtolower($MESSAGE->structure->ctype_primary);
  $ctype_secondary = strtolower($MESSAGE->structure->ctype_secondary);
  
  // list images after mail body
  if (get_boolean($attrib['showimages']) && $ctype_primary == 'multipart' &&
      !empty($MESSAGE->attachments) && !strstr($message_body, '<html')) {
    foreach ($MESSAGE->attachments as $attach_prop) {