func.inc

开源邮件管理系统

      if (strpos($attach_prop->mimetype, 'image/') === 0) {
        $out .= html::tag('hr') . html::p(array('align' => "center"),
          html::img(array(
            'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
            'title' => $attach_prop->filename,
            'alt' => $attach_prop->filename,
          )));
        }
    }
  }
  
  // tell client that there are blocked remote objects
  if ($REMOTE_OBJECTS && !$safe_mode)
    $OUTPUT->set_env('blockedobjects', true);

  return html::div($attrib, $out);
  }



/**
 * modify a HTML message that it can be displayed inside a HTML page
 */
function rcmail_html4inline($body, $container_id)
  {
  $base_url = "";
  $last_style_pos = 0;
  $body_lc = strtolower($body);
  
  // check for <base href>
  if (preg_match(($base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i'), $body, $base_regs))
    $base_url = $base_regs[2];
  
  // find STYLE tags
  while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
    {
    $pos = strpos($body_lc, '>', $pos)+1;

    // replace all css definitions with #container [def]
    $styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id, $base_url);

    $body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
    $body_lc = strtolower($body);
    $last_style_pos = $pos2;
    }

  // resolve <base href>
  if ($base_url)
    {
    $body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
    $body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
    $body = preg_replace($base_reg, '', $body);
    }
    
  // modify HTML links to open a new window if clicked
  $body = preg_replace('/<(a|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body);

  // add comments arround html and other tags
  $out = preg_replace(array(
      '/(<!DOCTYPE[^>]*>)/i',
      '/(<\?xml[^>]*>)/i',
      '/(<\/?html[^>]*>)/i',
      '/(<\/?head[^>]*>)/i',
      '/(<title[^>]*>.*<\/title>)/Ui',
      '/(<\/?meta[^>]*>)/i'),
    '<!--\\1-->',
    $body);

  $out = preg_replace(
    array('/<body([^>]*)>/i', '/<\/body>/i'),
    array('<div class="rcmBody"\\1>', '</div>'),
    $out);

  // quote <? of php and xml files that are specified as text/html
  $out = preg_replace(array('/<\?/', '/\?>/'), array('&lt;?', '?&gt;'), $out);

  return $out;
  }


/**
 * parse link attributes and set correct target
 */
function rcmail_alter_html_link($tag, $attrs, $container_id)
  {
  $attrib = parse_attrib_string($attrs);

  if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href']))
    $attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&amp;c=" . urlencode($container_id);

  else if (stristr((string)$attrib['href'], 'mailto:'))
    $attrib['onclick'] = sprintf(
      "return %s.command('compose','%s',this)",
      JS_OBJECT_NAME,
      JQ(substr($attrib['href'], 7)));

  else if (!empty($attrib['href']) && $attrib['href']{0}!='#')
    $attrib['target'] = '_blank';

  return "<$tag" . create_attrib_string($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . ' />';
  }


/**
 * decode address string and re-format it as HTML links
 */
function rcmail_address_string($input, $max=NULL, $addicon=NULL)
  {
  global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $EMAIL_ADDRESS_PATTERN;

  $a_parts = $IMAP->decode_address_list($input);

  if (!sizeof($a_parts))
    return $input;

  $c = count($a_parts);
  $j = 0;
  $out = '';

  foreach ($a_parts as $part)
    {
    $j++;
    if ($PRINT_MODE)
      $out .= sprintf('%s &lt;%s&gt;', Q($part['name']), $part['mailto']);
    else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto']))
      {
      $out .= sprintf('<a href="mailto:%s" onclick="return %s.command(\'compose\',\'%s\',this)" class="rcmContactAddress" title="%s">%s</a>',
                      Q($part['mailto']),
                      JS_OBJECT_NAME,
                      JQ($part['mailto']),
                      Q($part['mailto']),
                      Q($part['name']));
                      
      if ($addicon)
        $out .= sprintf('&nbsp;<a href="#add" onclick="return %s.command(\'add-contact\',\'%s\',this)" title="%s"><img src="%s%s" alt="add" border="0" /></a>',
                        JS_OBJECT_NAME,
                        urlencode($part['string']),
                        rcube_label('addtoaddressbook'),
                        $CONFIG['skin_path'],
                        $addicon);
      }
    else
      {
      if ($part['name'])
        $out .= Q($part['name']);
      if ($part['mailto'])
        $out .= (strlen($out) ? ' ' : '') . sprintf('&lt;%s&gt;', Q($part['mailto']));
      }
      
    if ($c>$j)
      $out .= ','.($max ? '&nbsp;' : ' ');
        
    if ($max && $j==$max && $c>$j)
      {
      $out .= '...';
      break;
      }        
    }
    
  return $out;
  }


function rcmail_message_part_controls()
  {
  global $MESSAGE;
  
  $part = asciiwords(get_input_value('_part', RCUBE_INPUT_GPC));
  if (!is_object($MESSAGE) || !is_array($MESSAGE->parts) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE->mime_parts[$part])
    return '';
    
  $part = $MESSAGE->mime_parts[$part];
  $table = new html_table(array('cols' => 3));
  
  if (!empty($part->filename)) {
    $table->add('title', Q(rcube_label('filename')));
    $table->add(null, Q($part->filename));
    $table->add(null, '[' . html::a('?'.str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']), Q(rcube_label('download'))) . ']');
  }
  
  if (!empty($part->size)) {
    $table->add('title', Q(rcube_label('filesize')));
    $table->add(null, Q(show_bytes($part->size)));
  }
  
  return $table->show($attrib);
  }



function rcmail_message_part_frame($attrib)
  {
  global $MESSAGE;
  
  $part = $MESSAGE->mime_parts[asciiwords(get_input_value('_part', RCUBE_INPUT_GPC))];
  $ctype_primary = strtolower($part->ctype_primary);

  $attrib['src'] = Q('./?'.str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']));

  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height'));
  $out = '<iframe '. $attrib_str . "></iframe>";
    
  return $out;
  }


/**
 * clear message composing settings
 */
function rcmail_compose_cleanup()
  {
  if (!isset($_SESSION['compose']))
    return;

  // remove attachment files from temp dir
  if (is_array($_SESSION['compose']['attachments']))
    foreach ($_SESSION['compose']['attachments'] as $attachment)
      @unlink($attachment['path']);
  
  unset($_SESSION['compose']);
  }
  

/**
 * Send the given message compose object using the configured method
 */
function rcmail_deliver_message(&$message, $from, $mailto)
{
  global $CONFIG;

  $msg_body = $message->get();
  $headers = $message->headers();
  
  // send thru SMTP server using custom SMTP library
  if ($CONFIG['smtp_server'])
    {
    // generate list of recipients
    $a_recipients = array($mailto);
  
    if (strlen($headers['Cc']))
      $a_recipients[] = $headers['Cc'];
    if (strlen($headers['Bcc']))
      $a_recipients[] = $headers['Bcc'];
  
    // clean Bcc from header for recipients
    $send_headers = $headers;
    unset($send_headers['Bcc']);
    // here too, it because txtHeaders() below use $message->_headers not only $send_headers
    unset($message->_headers['Bcc']);

    // send message
    $smtp_response = array();
    $sent = smtp_mail($from, $a_recipients, ($foo = $message->txtHeaders($send_headers, true)), $msg_body, $smtp_response);

    // log error
    if (!$sent)
      raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
                        'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
    }
  
  // send mail using PHP's mail() function
  else
    {
    // unset some headers because they will be added by the mail() function
    $headers_enc = $message->headers($headers);
    $headers_php = $message->_headers;
    unset($headers_php['To'], $headers_php['Subject']);
    
    // reset stored headers and overwrite
    $message->_headers = array();
    $header_str = $message->txtHeaders($headers_php);
  
    if (ini_get('safe_mode'))
      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
    else
      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
    }
  
  if ($sent)  // remove MDN headers after sending
    unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
  
  $message->_headers = array();
  $message->headers($headers);
  
  return $sent;
}


function rcmail_send_mdn($uid)
{
  global $CONFIG, $USER, $IMAP;

  $message = new rcube_message($uid);
  
  if ($message->headers->mdn_to && !$message->headers->mdn_sent)
  {
    $identity = $USER->get_identity();
    $sender = format_email_recipient($identity['email'], $identity['name']);
    $recipient = array_shift($IMAP->decode_address_list($message->headers->mdn_to));
    $mailto = $recipient['mailto'];

    $compose = new rcube_mail_mime(rcmail_header_delm());
    $compose->setParam(array(
      'text_encoding' => 'quoted-printable',
      'html_encoding' => 'quoted-printable',
      'head_encoding' => 'quoted-printable',
      'head_charset'  => RCMAIL_CHARSET,
      'html_charset'  => RCMAIL_CHARSET,
      'text_charset'  => RCMAIL_CHARSET,
    ));
    
    // compose headers array
    $headers = array(
      'Date' => date('r'),
      'From' => $sender,
      'To'   => $message->headers->mdn_to,
      'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
      'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), rcmail_mail_domain($_SESSION['imap_host'])),
      'X-Sender' => $identity['email'],
      'Content-Type' => 'multipart/report; report-type=disposition-notification',
    );
    
    if (!empty($CONFIG['useragent']))
      $headers['User-Agent'] = $CONFIG['useragent'];

    $body = rcube_label("yourmessage") . "\r\n\r\n" .
      "\t" . rcube_label("to") . ': ' . rcube_imap::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" .
      "\t" . rcube_label("subject") . ': ' . $message->subject . "\r\n" .
      "\t" . rcube_label("sent") . ': ' . format_date($message->headers->date, $CONFIG['date_long']) . "\r\n" .
      "\r\n" . rcube_label("receiptnote") . "\r\n";
    
    $ua = !empty($CONFIG['useragent']) ? $CONFIG['useragent'] : "RoundCube Webmail (Version ".RCMAIL_VERSION.")";
    $report = "Reporting-UA: $ua\r\n";
    
    if ($message->headers->to)
        $report .= "Original-Recipient: {$message->headers->to}\r\n";
    
    $report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
               "Original-Message-ID: {$message->headers->messageID}\r\n" .
               "Disposition: manual-action/MDN-sent-manually; displayed\r\n";
    
    $compose->headers($headers);
    $compose->setTXTBody(wordwrap($body, 75, "\r\n"));
    $compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');

    $sent = rcmail_deliver_message($compose, $identity['email'], $mailto);

    if ($sent)
    {
      $IMAP->set_flag($message->uid, 'MDNSENT');
      return true;
    }
  }
  
  return false;
}


// register UI objects
$OUTPUT->add_handlers(array(
  'mailboxlist' => 'rcmail_mailbox_list',
  'messages' => 'rcmail_message_list',
  'messagecountdisplay' => 'rcmail_messagecount_display',
  'quotadisplay' => 'rcmail_quota_display',
  'messageheaders' => 'rcmail_message_headers',
  'messagebody' => 'rcmail_message_body',
  'messagecontentframe' => 'rcmail_messagecontent_frame',
  'messagepartframe' => 'rcmail_message_part_frame',
  'messagepartcontrols' => 'rcmail_message_part_controls',
  'searchform' => array($OUTPUT, 'search_form'),
));

?>