From 7786ba1adb415fc8fd4478380d7201702a799483 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 20 May 2011 04:00:40 -0400
Subject: [PATCH] - Fix error when rcube_cache::remove() was used in pattern mode

---
 program/include/main.inc |  920 +++++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 628 insertions(+), 292 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index e3004d0..44a43c6 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -4,8 +4,8 @@
  +-----------------------------------------------------------------------+
  | program/include/main.inc                                              |
  |                                                                       |
- | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2009, RoundCube Dev, - Switzerland                 |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -20,17 +20,14 @@
 */
 
 /**
- * RoundCube Webmail common functions
+ * Roundcube Webmail common functions
  *
  * @package Core
  * @author Thomas Bruederli <roundcube@gmail.com>
  */
 
-require_once('lib/utf7.inc');
-require_once('include/rcube_shared.inc');
-
-// fallback if not PHP modules are available
-@include_once('lib/utf8.class.php');
+require_once 'utf7.inc';
+require_once INSTALL_PATH . 'program/include/rcube_shared.inc';
 
 // define constannts for input reading
 define('RCUBE_INPUT_GET', 0x0101);
@@ -84,12 +81,25 @@
  * It's a global wrapper for rcmail::gettext()
  *
  * @param mixed Named parameters array or label name
+ * @param string Domain to search in (e.g. plugin name)
  * @return string Localized text
  * @see rcmail::gettext()
  */
 function rcube_label($p, $domain=null)
 {
   return rcmail::get_instance()->gettext($p, $domain);
+}
+
+
+/**
+ * Global wrapper of rcmail::text_exists()
+ * to check whether a text label is defined
+ *
+ * @see rcmail::text_exists()
+ */
+function rcube_label_exists($name, $domain=null)
+{
+  return rcmail::get_instance()->text_exists($name, $domain);
 }
 
 
@@ -151,6 +161,7 @@
 /**
  * Garbage collector for cache entries.
  * Remove all expired message cache records
+ * @return void
  */
 function rcmail_cache_gc()
   {
@@ -187,7 +198,7 @@
  * @param  string Input string
  * @param  string Suspected charset of the input string
  * @param  string Target charset to convert to; defaults to RCMAIL_CHARSET
- * @return Converted string
+ * @return string Converted string
  */
 function rcube_charset_convert($str, $from, $to=NULL)
   {
@@ -196,7 +207,7 @@
   static $mbstring_list = null;
   static $convert_warning = false;
   static $conv = null;
-  
+
   $error = false;
 
   $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : rcube_parse_charset($to);
@@ -205,8 +216,8 @@
   if ($from == $to || empty($str) || empty($from))
     return $str;
 
-  // convert charset using iconv module  
-  if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') {
+  // convert charset using iconv module
+  if (function_exists('iconv') && $from != 'UTF7-IMAP' && $to != 'UTF7-IMAP') {
     if ($iconv_options === null) {
       // ignore characters not available in output charset
       $iconv_options = '//IGNORE';
@@ -276,7 +287,7 @@
     }
     $error = true;
   }
-  
+
   // encode string for output
   if ($from == 'UTF-8') {
     // @TODO: we need a function for UTF-7 (RFC2152) conversion
@@ -298,7 +309,7 @@
     }
     $error = true;
   }
-  
+
   // report error
   if ($error && !$convert_warning) {
     raise_error(array(
@@ -308,10 +319,10 @@
       'line' => __LINE__,
       'message' => "Could not convert string from $from to $to. Make sure iconv/mbstring is installed or lib/utf8.class is available."
       ), true, false);
-    
+
     $convert_warning = true;
   }
-  
+
   // return UTF-8 or original string
   return $str;
   }
@@ -322,8 +333,8 @@
  * Sometimes charset string is malformed, there are also charset aliases 
  * but we need strict names for charset conversion (specially utf8 class)
  *
- * @param  string  Input charset name
- * @return The validated charset name
+ * @param  string Input charset name
+ * @return string The validated charset name
  */
 function rcube_parse_charset($input)
   {
@@ -339,6 +350,9 @@
     '/UNICODE-1-1-*/',  // RFC1641/1642
     '/^X-/',            // X- prefix (e.g. X-ROMAN8 => ROMAN8)
     ), '', $charset);
+
+  if ($charset == 'BINARY')
+    return $charsets[$input] = null;
 
   # Aliases: some of them from HTML5 spec.
   $aliases = array(
@@ -357,15 +371,23 @@
     'ISO88599'	    => 'WINDOWS-1254',
     'ISO885911'	    => 'WINDOWS-874',
     'MACROMAN'	    => 'MACINTOSH',
-    '238'           => 'WINDOWS-1250',
-    '178'           => 'WINDOWS-1256',
-    '177'           => 'WINDOWS-1255',
-    '204'           => 'WINDOWS-1251',
-    '161'           => 'WINDOWS-1253',
-    '222'           => 'WINDOWS-874',
+    '77'            => 'MAC',
+    '128'           => 'SHIFT-JIS',
+    '129'           => 'CP949',
+    '130'           => 'CP1361',
     '134'           => 'GBK',
+    '136'           => 'BIG5',
+    '161'           => 'WINDOWS-1253',
+    '162'           => 'WINDOWS-1254',
+    '163'           => 'WINDOWS-1258',
+    '177'           => 'WINDOWS-1255',
+    '178'           => 'WINDOWS-1256',
+    '186'           => 'WINDOWS-1257',
+    '204'           => 'WINDOWS-1251',
+    '222'           => 'WINDOWS-874',
     '238'           => 'WINDOWS-1250',
-    '128'           => 'SHIFT-JIS'
+    'MS950'         => 'CP950',
+    'WINDOWS949'    => 'UHC',
   );
 
   // allow A-Z and 0-9 only
@@ -421,7 +443,7 @@
  * Converts string from standard UTF-7 (RFC 2152) to UTF-8.
  *
  * @param  string  Input string
- * @return The converted string
+ * @return string  The converted string
  */
 function rcube_utf7_to_utf8($str)
 {
@@ -480,7 +502,7 @@
  * Converts string from UTF-16 to UTF-8 (helper for utf-7 to utf-8 conversion)
  *
  * @param  string  Input string
- * @return The converted string
+ * @return string  The converted string
  */
 function rcube_utf16_to_utf8($str)
 {
@@ -511,7 +533,7 @@
  * @param  string  Encoding type: text|html|xml|js|url
  * @param  string  Replace mode for tags: show|replace|remove
  * @param  boolean Convert newlines
- * @return The quoted string
+ * @return string  The quoted string
  */
 function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
   {
@@ -527,7 +549,7 @@
     {
     if (!$html_encode_arr)
       {
-      $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);        
+      $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
       unset($html_encode_arr['?']);
       }
 
@@ -544,10 +566,12 @@
       }
     else if ($mode=='remove')
       $str = strip_tags($str);
-    
+
+    $out = strtr($str, $encode_arr);
+
     // avoid douple quotation of &
-    $out = preg_replace('/&amp;([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr));
-      
+    $out = preg_replace('/&amp;([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', $out);
+
     return $newlines ? nl2br($out) : $out;
     }
 
@@ -714,6 +738,16 @@
 }
 
 /**
+ * Convert the given string into a valid HTML identifier
+ * Same functionality as done in app.js with this.identifier_expr
+ *
+ */
+function html_identifier($str)
+{
+  return asciiwords($str, true, '_');
+}
+
+/**
  * Remove single and double quotes from given string
  *
  * @param string Input value
@@ -764,7 +798,7 @@
     while ($table_data && ($sql_arr = $db->fetch_assoc($table_data)))
     {
       $zebra_class = $c % 2 ? 'even' : 'odd';
-      $table->add_row(array('id' => 'rcmrow' . $sql_arr[$id_col], 'class' => $zebra_class));
+      $table->add_row(array('id' => 'rcmrow' . html_identifier($sql_arr[$id_col]), 'class' => $zebra_class));
 
       // format each col
       foreach ($a_show_cols as $col)
@@ -781,11 +815,11 @@
       if (!empty($row_data['class']))
         $zebra_class .= ' '.$row_data['class'];
 
-      $table->add_row(array('id' => 'rcmrow' . $row_data[$id_col], 'class' => $zebra_class));
+      $table->add_row(array('id' => 'rcmrow' . html_identifier($row_data[$id_col]), 'class' => $zebra_class));
 
       // format each col
       foreach ($a_show_cols as $col)
-        $table->add($col, Q($row_data[$col]));
+        $table->add($col, Q(is_array($row_data[$col]) ? $row_data[$col][0] : $row_data[$col]));
         
       $c++;
     }
@@ -805,32 +839,43 @@
  * @return string HTML field definition
  */
 function rcmail_get_edit_field($col, $value, $attrib, $type='text')
-  {
-  $fname = '_'.$col;
-  $attrib['name'] = $fname;
+{
+  static $colcounts = array();
   
-  if ($type=='checkbox')
-    {
+  $fname = '_'.$col;
+  $attrib['name'] = $fname . ($attrib['array'] ? '[]' : '');
+  $attrib['class'] = trim($attrib['class'] . ' ff_' . $col);
+  
+  if ($type == 'checkbox') {
     $attrib['value'] = '1';
     $input = new html_checkbox($attrib);
-    }
-  else if ($type=='textarea')
-    {
+  }
+  else if ($type == 'textarea') {
     $attrib['cols'] = $attrib['size'];
     $input = new html_textarea($attrib);
-    }
-  else
+  }
+  else if ($type == 'select') {
+    $input = new html_select($attrib);
+    $input->add('---', '');
+    $input->add(array_values($attrib['options']), array_keys($attrib['options']));
+  }
+  else {
+    if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden')
+        $attrib['type'] = 'text';
     $input = new html_inputfield($attrib);
+  }
 
   // use value from post
-  if (!empty($_POST[$fname]))
-    $value = get_input_value($fname, RCUBE_INPUT_POST,
-	    $type == 'textarea' && strpos($attrib['class'], 'mce_editor')!==false ? true : false);
+  if (isset($_POST[$fname])) {
+    $postvalue = get_input_value($fname, RCUBE_INPUT_POST,
+      $type == 'textarea' && strpos($attrib['class'], 'mce_editor')!==false ? true : false);
+    $value = $attrib['array'] ? $postvalue[intval($colcounts[$col]++)] : $postvalue;
+  }
 
   $out = $input->show($value);
-         
+
   return $out;
-  }
+}
 
 
 /**
@@ -847,8 +892,8 @@
   $replacements = new rcube_string_replacer;
 
   // ignore the whole block if evil styles are detected
-  $stripped = preg_replace('/[^a-z\(:]/', '', rcmail_xss_entity_decode($source));
-  if (preg_match('/expression|behavior|url\(|import/', $stripped))
+  $stripped = preg_replace('/[^a-z\(:;]/', '', rcmail_xss_entity_decode($source));
+  if (preg_match('/expression|behavior|url\(|import[^a]/', $stripped))
     return '/* evil! */';
 
   // remove css comments (sometimes used for some ugly hacks)
@@ -953,6 +998,37 @@
 
 
 /**
+ * Improved equivalent to strtotime()
+ *
+ * @param string Date string
+ * @return int 
+ */
+function rcube_strtotime($date)
+{
+  // check for MS Outlook vCard date format YYYYMMDD
+  if (preg_match('/^([12][90]\d\d)([01]\d)(\d\d)$/', trim($date), $matches)) {
+    return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1]));
+  }
+  else if (is_numeric($date))
+    return $date;
+
+  // support non-standard "GMTXXXX" literal
+  $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date);
+
+  // if date parsing fails, we have a date in non-rfc format.
+  // remove token from the end and try again
+  while ((($ts = @strtotime($date)) === false) || ($ts < 0)) {
+    $d = explode(' ', $date);
+    array_pop($d);
+    if (!$d) break;
+    $date = implode(' ', $d);
+  }
+
+  return $ts;
+}
+
+
+/**
  * Convert the given date to a human readable form
  * This uses the date formatting properties from config
  *
@@ -961,31 +1037,17 @@
  * @return string Formatted date string
  */
 function format_date($date, $format=NULL)
-  {
+{
   global $CONFIG;
   
   $ts = NULL;
 
-  if (is_numeric($date))
-    $ts = $date;
-  else if (!empty($date))
-    {
-    // support non-standard "GMTXXXX" literal
-    $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date);
-    // if date parsing fails, we have a date in non-rfc format.
-    // remove token from the end and try again
-    while ((($ts = @strtotime($date))===false) || ($ts < 0))
-      {
-        $d = explode(' ', $date);
-        array_pop($d);
-        if (!$d) break;
-        $date = implode(' ', $d);
-      }
-    }
+  if (!empty($date))
+    $ts = rcube_strtotime($date);
 
   if (empty($ts))
     return '';
-   
+
   // get user's timezone
   if ($CONFIG['timezone'] === 'auto')
     $tz = isset($_SESSION['timezone']) ? $_SESSION['timezone'] : date('Z')/3600;
@@ -997,7 +1059,7 @@
 
   // convert time to user's timezone
   $timestamp = $ts - date('Z', $ts) + ($tz * 3600);
-  
+
   // get current timestamp in user's timezone
   $now = time();  // local time
   $now -= (int)date('Z'); // make GMT time
@@ -1005,30 +1067,33 @@
   $now_date = getdate($now);
 
   $today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
-  $week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
+  $week_limit  = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
 
   // define date format depending on current time
   if (!$format) {
-    if ($CONFIG['prettydate'] && $timestamp > $today_limit && $timestamp < $now)
-      return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp));
+    if ($CONFIG['prettydate'] && $timestamp > $today_limit && $timestamp < $now) {
+      $format = $CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i';
+      $today  = true;
+    }
     else if ($CONFIG['prettydate'] && $timestamp > $week_limit && $timestamp < $now)
       $format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
     else
       $format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
-    }
+  }
 
   // strftime() format
-  if (preg_match('/%[a-z]+/i', $format))
-    return strftime($format, $timestamp);
+  if (preg_match('/%[a-z]+/i', $format)) {
+    $format = strftime($format, $timestamp);
+    return $today ? (rcube_label('today') . ' ' . $format) : $format;
+  }
 
   // parse format string manually in order to provide localized weekday and month names
   // an alternative would be to convert the date() format string to fit with strftime()
   $out = '';
-  for($i=0; $i<strlen($format); $i++)
-    {
+  for($i=0; $i<strlen($format); $i++) {
     if ($format{$i}=='\\')  // skip escape chars
       continue;
-    
+
     // write char "as-is"
     if ($format{$i}==' ' || $format{$i-1}=='\\')
       $out .= $format{$i};
@@ -1048,10 +1113,21 @@
       $out .= strftime('%x %X', $timestamp);
     else
       $out .= date($format{$i}, $timestamp);
-    }
-  
-  return $out;
   }
+
+  if ($today) {
+    $label = rcube_label('today');
+    // replcae $ character with "Today" label (#1486120)
+    if (strpos($out, '$') !== false) {
+      $out = preg_replace('/\$/', $label, $out, 1);
+    }
+    else {
+      $out = $label . ' ' . $out;
+    }
+  }
+
+  return $out;
+}
 
 
 /**
@@ -1062,161 +1138,13 @@
  * @return string Formatted string
  */
 function format_email_recipient($email, $name='')
-  {
-  if ($name && $name != $email)
-    {
+{
+  if ($name && $name != $email) {
     // Special chars as defined by RFC 822 need to in quoted string (or escaped).
     return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, trim($email));
-    }
-  else
-    return trim($email);
   }
 
-
-
-/****** debugging functions ********/
-
-
-/**
- * Print or write debug messages
- *
- * @param mixed Debug message or data
- */
-function console()
-  {
-  $args = func_get_args();
-
-  if (class_exists('rcmail', false)) {
-    $rcmail = rcmail::get_instance();
-    if (is_object($rcmail->plugins))
-      $rcmail->plugins->exec_hook('console', $args);
-  }
-
-  $msg = array();
-  foreach ($args as $arg)
-    $msg[] = !is_string($arg) ? var_export($arg, true) : $arg;
-
-  if (!($GLOBALS['CONFIG']['debug_level'] & 4))
-    write_log('console', join(";\n", $msg));
-  else if ($GLOBALS['OUTPUT']->ajax_call)
-    print "/*\n " . join(";\n", $msg) . " \n*/\n";
-  else
-    {
-    print '<div style="background:#eee; border:1px solid #ccc; margin-bottom:3px; padding:6px"><pre>';
-    print join(";<br/>\n", $msg);
-    print "</pre></div>\n";
-    }
-  }
-
-
-/**
- * Append a line to a logfile in the logs directory.
- * Date will be added automatically to the line.
- *
- * @param $name name of log file
- * @param line Line to append
- */
-function write_log($name, $line)
-  {
-  global $CONFIG, $RCMAIL;
-
-  if (!is_string($line))
-    $line = var_export($line, true);
- 
-  if (empty($CONFIG['log_date_format']))
-    $CONFIG['log_date_format'] = 'd-M-Y H:i:s O';
-  
-  $date = date($CONFIG['log_date_format']);
-  
-  // trigger logging hook
-  if (is_object($RCMAIL) && is_object($RCMAIL->plugins)) {
-    $log = $RCMAIL->plugins->exec_hook('write_log', array('name' => $name, 'date' => $date, 'line' => $line));
-    $name = $log['name'];
-    $line = $log['line'];
-    $date = $log['date'];
-    if ($log['abort'])
-      return true;
-  }
- 
-  if ($CONFIG['log_driver'] == 'syslog') {
-    $prio = $name == 'errors' ? LOG_ERR : LOG_INFO;
-    syslog($prio, $line);
-    return true;
-  }
-  else {
-    $line = sprintf("[%s]: %s\n", $date, $line);
-
-    // log_driver == 'file' is assumed here
-    if (empty($CONFIG['log_dir']))
-      $CONFIG['log_dir'] = INSTALL_PATH.'logs';
-
-    // try to open specific log file for writing
-    $logfile = $CONFIG['log_dir'].'/'.$name;
-    if ($fp = @fopen($logfile, 'a')) {
-      fwrite($fp, $line);
-      fflush($fp);
-      fclose($fp);
-      return true;
-    }
-    else
-      trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING);
-  }
-  return false;
-}
-
-
-/**
- * Write login data (name, ID, IP address) to the 'userlogins' log file.
- */
-function rcmail_log_login()
-{
-  global $RCMAIL;
-
-  if (!$RCMAIL->config->get('log_logins') || !$RCMAIL->user)
-    return;
-
-  $address = $_SERVER['REMOTE_ADDR'];
-  // append the NGINX X-Real-IP header, if set
-  if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
-    $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
-  }
-  // append the X-Forwarded-For header, if set
-  if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
-    $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
-  }
-
-  if (!empty($remote_ip))
-    $address .= '(' . implode(',', $remote_ip) . ')';
-
-  write_log('userlogins', sprintf('Successful login for %s (ID: %d) from %s',
-    $RCMAIL->user->get_username(), $RCMAIL->user->ID, $address));
-}
-
-
-/**
- * @access private
- */
-function rcube_timer()
-{
-  return microtime(true);
-}
-  
-
-/**
- * @access private
- */
-function rcube_print_time($timer, $label='Timer', $dest='console')
-{
-  static $print_count = 0;
-  
-  $print_count++;
-  $now = rcube_timer();
-  $diff = $now-$timer;
-  
-  if (empty($label))
-    $label = 'Timer '.$print_count;
-  
-  write_log($dest, sprintf("%s: %0.4f sec", $label, $diff));
+  return trim($email);
 }
 
 
@@ -1230,49 +1158,52 @@
 {
   global $RCMAIL;
   static $a_mailboxes;
-  
+
   $attrib += array('maxlength' => 100, 'realnames' => false);
 
   // add some labels to client
   $RCMAIL->output->add_label('purgefolderconfirm', 'deletemessagesconfirm');
-  
+
   $type = $attrib['type'] ? $attrib['type'] : 'ul';
   unset($attrib['type']);
 
   if ($type=='ul' && !$attrib['id'])
     $attrib['id'] = 'rcmboxlist';
 
+  if (empty($attrib['folder_name']))
+    $attrib['folder_name'] = '*';
+
   // get mailbox list
   $mbox_name = $RCMAIL->imap->get_mailbox_name();
-  
+
   // build the folders tree
   if (empty($a_mailboxes)) {
     // get mailbox list
-    $a_folders = $RCMAIL->imap->list_mailboxes();
+    $a_folders = $RCMAIL->imap->list_mailboxes('', $attrib['folder_name'], $attrib['folder_filter']);
     $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
     $a_mailboxes = array();
 
     foreach ($a_folders as $folder)
       rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
   }
-  
+
   // allow plugins to alter the folder tree or to localize folder names
   $hook = $RCMAIL->plugins->exec_hook('render_mailboxlist', array('list' => $a_mailboxes, 'delimiter' => $delimiter));
 
-  if ($type=='select') {
+  if ($type == 'select') {
     $select = new html_select($attrib);
-    
+
     // add no-selection option
     if ($attrib['noselection'])
-      $select->add(rcube_label($attrib['noselection']), '0');
-    
+      $select->add(rcube_label($attrib['noselection']), '');
+
     rcmail_render_folder_tree_select($hook['list'], $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
     $out = $select->show();
   }
   else {
     $js_mailboxlist = array();
     $out = html::tag('ul', $attrib, rcmail_render_folder_tree_html($hook['list'], $mbox_name, $js_mailboxlist, $attrib), html::$common_attrib);
-    
+
     $RCMAIL->output->add_gui_object('mailboxlist', $attrib['id']);
     $RCMAIL->output->set_env('mailboxes', $js_mailboxlist);
     $RCMAIL->output->set_env('collapsed_folders', $RCMAIL->config->get('collapsed_folders'));
@@ -1286,26 +1217,37 @@
  * Return the mailboxlist as html_select object
  *
  * @param array Named parameters
- * @return object html_select HTML drop-down object
+ * @return html_select HTML drop-down object
  */
 function rcmail_mailbox_select($p = array())
 {
   global $RCMAIL;
-  
+
   $p += array('maxlength' => 100, 'realnames' => false);
   $a_mailboxes = array();
-  
-  foreach ($RCMAIL->imap->list_mailboxes() as $folder)
+
+  if (empty($p['folder_name']))
+    $p['folder_name'] = '*';
+
+  if ($p['unsubscribed'])
+    $list = $RCMAIL->imap->list_unsubscribed('', $p['folder_name'], $p['folder_filter']);
+  else
+    $list = $RCMAIL->imap->list_mailboxes('', $p['folder_name'], $p['folder_filter']);
+
+  $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
+
+  foreach ($list as $folder) {
     if (empty($p['exceptions']) || !in_array($folder, $p['exceptions']))
-      rcmail_build_folder_tree($a_mailboxes, $folder, $RCMAIL->imap->get_hierarchy_delimiter());
+      rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
+  }
 
   $select = new html_select($p);
-  
+
   if ($p['noselection'])
     $select->add($p['noselection'], '');
-    
+
   rcmail_render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames']);
-  
+
   return $select;
 }
 
@@ -1313,14 +1255,36 @@
 /**
  * Create a hierarchical array of the mailbox list
  * @access private
+ * @return void
  */
 function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
 {
+  global $RCMAIL;
+
+  // Handle namespace prefix
+  $prefix = '';
+  if (!$path) {
+    $n_folder = $folder;
+    $folder = $RCMAIL->imap->mod_mailbox($folder);
+
+    if ($n_folder != $folder) {
+      $prefix = substr($n_folder, 0, -strlen($folder));
+    }
+  }
+
   $pos = strpos($folder, $delm);
+
   if ($pos !== false) {
     $subFolders = substr($folder, $pos+1);
     $currentFolder = substr($folder, 0, $pos);
-    $virtual = !isset($arrFolders[$currentFolder]);
+
+    // sometimes folder has a delimiter as the last character
+    if (!strlen($subFolders))
+      $virtual = false;
+    else if (!isset($arrFolders[$currentFolder]))
+      $virtual = true;
+    else
+      $virtual = $arrFolders[$currentFolder]['virtual'];
   }
   else {
     $subFolders = false;
@@ -1328,9 +1292,14 @@
     $virtual = false;
   }
 
-  $path .= $currentFolder;
+  $path .= $prefix.$currentFolder;
 
   if (!isset($arrFolders[$currentFolder])) {
+    // Check \Noselect option (if options are in cache)
+    if (!$virtual && ($opts = $RCMAIL->imap->mailbox_options($path))) {
+      $virtual = in_array('\\Noselect', $opts);
+    }
+
     $arrFolders[$currentFolder] = array(
       'id' => $path,
       'name' => rcube_charset_convert($currentFolder, 'UTF7-IMAP'),
@@ -1340,19 +1309,20 @@
   else
     $arrFolders[$currentFolder]['virtual'] = $virtual;
 
-  if (!empty($subFolders))
+  if (strlen($subFolders))
     rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
 }
-  
+
 
 /**
  * Return html for a structured list &lt;ul&gt; for the mailbox tree
  * @access private
+ * @return string
  */
 function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel=0)
 {
   global $RCMAIL, $CONFIG;
-  
+
   $maxlength = intval($attrib['maxlength']);
   $realnames = (bool)$attrib['realnames'];
   $msgcounts = $RCMAIL->imap->get_cache('messagecount');
@@ -1379,7 +1349,7 @@
     }
 
     // make folder name safe for ids and class names
-    $folder_id = asciiwords($folder['id'], true, '_');
+    $folder_id = html_identifier($folder['id']);
     $classes = array('mailbox');
 
     // set special class for Sent, Drafts, Trash and Junk
@@ -1395,25 +1365,26 @@
       $classes[] = 'inbox';
     else
       $classes[] = '_'.asciiwords($folder_class ? $folder_class : strtolower($folder['id']), true);
-      
+
     $classes[] = $zebra_class;
-    
+
     if ($folder['id'] == $mbox_name)
       $classes[] = 'selected';
 
     $collapsed = preg_match('/&'.rawurlencode($folder['id']).'&/', $RCMAIL->config->get('collapsed_folders'));
     $unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;
-    
+
     if ($folder['virtual'])
       $classes[] = 'virtual';
     else if ($unread)
       $classes[] = 'unread';
 
     $js_name = JQ($folder['id']);
-    $html_name = Q($foldername . ($unread ? " ($unread)" : ''));
+    $html_name = Q($foldername) . ($unread ? html::span('unreadcount', " ($unread)") : '');
     $link_attrib = $folder['virtual'] ? array() : array(
       'href' => rcmail_url('', array('_mbox' => $folder['id'])),
       'onclick' => sprintf("return %s.command('list','%s',this)", JS_OBJECT_NAME, $js_name),
+      'rel' => $folder['id'],
       'title' => $title,
     );
 
@@ -1427,9 +1398,9 @@
         'style' => "position:absolute",
         'onclick' => sprintf("%s.command('collapse-folder', '%s')", JS_OBJECT_NAME, $js_name)
       ), '&nbsp;') : ''));
-    
+
     $jslist[$folder_id] = array('id' => $folder['id'], 'name' => $foldername, 'virtual' => $folder['virtual']);
-    
+
     if (!empty($folder['folders'])) {
       $out .= html::tag('ul', array('style' => ($collapsed ? "display:none;" : null)),
         rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
@@ -1446,39 +1417,37 @@
 /**
  * Return html for a flat list <select> for the mailbox tree
  * @access private
+ * @return string
  */
 function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames=false, $nestLevel=0)
-  {
-  $idx = 0;
+{
   $out = '';
-  foreach ($arrFolders as $key=>$folder)
-    {
+
+  foreach ($arrFolders as $key=>$folder) {
     if (!$realnames && ($folder_class = rcmail_folder_classname($folder['id'])))
       $foldername = rcube_label($folder_class);
-    else
-      {
+    else {
       $foldername = $folder['name'];
-      
+
       // shorten the folder name to a given length
       if ($maxlength && $maxlength>1)
         $foldername = abbreviate_string($foldername, $maxlength);
-      }
+    }
 
     $select->add(str_repeat('&nbsp;', $nestLevel*4) . $foldername, $folder['id']);
 
     if (!empty($folder['folders']))
       $out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength, $select, $realnames, $nestLevel+1);
-
-    $idx++;
-    }
+  }
 
   return $out;
-  }
+}
 
 
 /**
  * Return internal name for the given folder if it matches the configured special folders
  * @access private
+ * @return string
  */
 function rcmail_folder_classname($folder_id)
 {
@@ -1512,16 +1481,107 @@
 }
 
 
+function rcmail_quota_display($attrib)
+{
+  global $OUTPUT;
+
+  if (!$attrib['id'])
+    $attrib['id'] = 'rcmquotadisplay';
+
+  if(isset($attrib['display']))
+    $_SESSION['quota_display'] = $attrib['display'];
+
+  $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
+
+  $quota = rcmail_quota_content($attrib);
+
+  $OUTPUT->add_script('rcmail.set_quota('.json_serialize($quota).');', 'docready');
+
+  return html::span($attrib, '');
+}
+
+
+function rcmail_quota_content($attrib=NULL)
+{
+  global $RCMAIL;
+
+  $quota = $RCMAIL->imap->get_quota();
+  $quota = $RCMAIL->plugins->exec_hook('quota', $quota);
+
+  $quota_result = (array) $quota;
+  $quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
+
+  if (!$quota['total'] && $RCMAIL->config->get('quota_zero_as_unlimited')) {
+    $quota_result['title'] = rcube_label('unlimited');
+    $quota_result['percent'] = 0;
+  }
+  else if ($quota['total']) {
+    if (!isset($quota['percent']))
+      $quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
+
+    $title = sprintf('%s / %s (%.0f%%)',
+        show_bytes($quota['used'] * 1024), show_bytes($quota['total'] * 1024),
+        $quota_result['percent']);
+
+    $quota_result['title'] = $title;
+
+    if ($attrib['width'])
+      $quota_result['width'] = $attrib['width'];
+    if ($attrib['height'])
+      $quota_result['height']	= $attrib['height'];
+  }
+  else {
+    $quota_result['title'] = rcube_label('unknown');
+    $quota_result['percent'] = 0;
+  }
+
+  return $quota_result;
+}
+
+
+/**
+ * Outputs error message according to server error/response codes
+ *
+ * @param string Fallback message label
+ * @param string Fallback message label arguments
+ *
+ * @return void
+ */
+function rcmail_display_server_error($fallback=null, $fallback_args=null)
+{
+    global $RCMAIL;
+
+    $err_code = $RCMAIL->imap->get_error_code();
+    $res_code = $RCMAIL->imap->get_response_code();
+
+    if ($res_code == rcube_imap::NOPERM) {
+        $RCMAIL->output->show_message('errornoperm', 'error');
+    }
+    else if ($res_code == rcube_imap::READONLY) {
+        $RCMAIL->output->show_message('errorreadonly', 'error');
+    }
+    else if ($err_code && ($err_str = $RCMAIL->imap->get_error_str())) {
+        $RCMAIL->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
+    }
+    else if ($fallback) {
+        $RCMAIL->output->show_message($fallback, 'error', $fallback_args);
+    }
+
+    return true;
+}
+
+
 /**
  * Output HTML editor scripts
  *
  * @param string Editor mode
+ * @return void
  */
 function rcube_html_editor($mode='')
 {
   global $RCMAIL, $CONFIG;
 
-  $hook = $RCMAIL->plugins->exec_hook('hmtl_editor', array('mode' => $mode));
+  $hook = $RCMAIL->plugins->exec_hook('html_editor', array('mode' => $mode));
 
   if ($hook['abort'])
     return;  
@@ -1536,8 +1596,46 @@
 
   $RCMAIL->output->include_script('tiny_mce/tiny_mce.js');
   $RCMAIL->output->include_script('editor.js');
-  $RCMAIL->output->add_script('rcmail_editor_init("$__skin_path",
-    "'.JQ($lang).'", '.intval($CONFIG['enable_spellcheck']).', "'.$mode.'");');
+  $RCMAIL->output->add_script(sprintf("rcmail_editor_init('\$__skin_path', '%s', %d, '%s');",
+    JQ($lang), intval($CONFIG['enable_spellcheck']), $mode),
+    'foot');
+}
+
+
+/**
+ * Replaces TinyMCE's emoticon images with plain-text representation
+ *
+ * @param string HTML content
+ * @return string HTML content
+ */
+function rcmail_replace_emoticons($html)
+{
+  $emoticons = array(
+    '8-)' => 'smiley-cool',
+    ':-#' => 'smiley-foot-in-mouth',
+    ':-*' => 'smiley-kiss',
+    ':-X' => 'smiley-sealed',
+    ':-P' => 'smiley-tongue-out',
+    ':-@' => 'smiley-yell',
+    ":'(" => 'smiley-cry',
+    ':-(' => 'smiley-frown',
+    ':-D' => 'smiley-laughing',
+    ':-)' => 'smiley-smile',
+    ':-S' => 'smiley-undecided',
+    ':-$' => 'smiley-embarassed',
+    'O:-)' => 'smiley-innocent',
+    ':-|' => 'smiley-money-mouth',
+    ':-O' => 'smiley-surprised',
+    ';-)' => 'smiley-wink',
+  );
+
+  foreach ($emoticons as $idx => $file) {
+    // <img title="Cry" src="http://.../program/js/tiny_mce/plugins/emotions/img/smiley-cry.gif" border="0" alt="Cry" />
+    $search[]  = '/<img title="[a-z ]+" src="https?:\/\/[a-z0-9_.\/-]+\/tiny_mce\/plugins\/emotions\/img\/'.$file.'.gif"[^>]+\/>/i';
+    $replace[] = $idx;
+  }
+
+  return preg_replace($search, $replace, $html);
 }
 
 
@@ -1546,6 +1644,7 @@
  *
  * @param integer HTTPS port number
  * @param boolean Enables 'use_https' option checking
+ * @return boolean
  */
 function rcube_https_check($port=null, $use_https=true)
 {
@@ -1564,7 +1663,13 @@
 }
 
 
-// for backward compatibility
+/**
+ * For backward compatibility.
+ *
+ * @global rcmail $RCMAIL
+ * @param string $var_name Variable name.
+ * @return void
+ */
 function rcube_sess_unset($var_name=null)
 {
   global $RCMAIL;
@@ -1573,23 +1678,41 @@
 }
 
 
-// Replaces hostname variables
-function rcube_parse_host($name)
+/**
+ * Replaces hostname variables
+ *
+ * @param string $name Hostname
+ * @param string $host Optional IMAP hostname
+ * @return string
+ */
+function rcube_parse_host($name, $host='')
 {
   // %n - host
   $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']);
-  // %d - domain name without first part, e.g. %d=mail.domain.tld, %m=domain.tld
+  // %d - domain name without first part, e.g. %n=mail.domain.tld, %d=domain.tld
   $d = preg_replace('/^[^\.]+\./', '', $n);
   // %h - IMAP host
-  $h = $_SESSION['imap_host'];
+  $h = $_SESSION['imap_host'] ? $_SESSION['imap_host'] : $host;
+  // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld
+  $z = preg_replace('/^[^\.]+\./', '', $h);
+  // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided
+  if ( strpos($name, '%s') !== false ){
+    $user_email = rcube_idn_convert(get_input_value('_user', RCUBE_INPUT_POST), true);
+    if ( preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s) < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false )
+      return false;
+  }
 
-  $name = str_replace(array('%n', '%d', '%h'), array($n, $d, $h), $name);
+  $name = str_replace(array('%n', '%d', '%h', '%z', '%s'), array($n, $d, $h, $z, $s[2]), $name);
   return $name;
 }
 
 
 /**
  * E-mail address validation
+ *
+ * @param string $email Email address
+ * @param boolean $dns_check True to check dns
+ * @return boolean
  */
 function check_email($email, $dns_check=true)
 {
@@ -1657,6 +1780,39 @@
   return false;
 }
 
+/*
+ * Idn_to_ascii wrapper.
+ * Intl/Idn modules version of this function doesn't work with e-mail address
+ */
+function rcube_idn_to_ascii($str)
+{
+  return rcube_idn_convert($str, true);
+}
+
+/*
+ * Idn_to_ascii wrapper.
+ * Intl/Idn modules version of this function doesn't work with e-mail address
+ */
+function rcube_idn_to_utf8($str)
+{
+  return rcube_idn_convert($str, false);
+}
+
+function rcube_idn_convert($input, $is_utf=false)
+{
+  if ($at = strpos($input, '@')) {
+    $user   = substr($input, 0, $at);
+    $domain = substr($input, $at+1);
+  }
+  else {
+    $domain = $input;
+  }
+
+  $domain = $is_utf ? idn_to_ascii($domain) : idn_to_utf8($domain);
+
+  return $at ? $user . '@' . $domain : $domain;
+}
+
 
 /**
  * Helper class to turn relative urls into absolute ones
@@ -1675,6 +1831,178 @@
   {
     return $matches[1] . '="' . make_absolute_url($matches[3], $this->base_url) . '"';
   }
+}
+
+
+/****** debugging and logging functions ********/
+
+/**
+ * Print or write debug messages
+ *
+ * @param mixed Debug message or data
+ * @return void
+ */
+function console()
+{
+    $args = func_get_args();
+
+    if (class_exists('rcmail', false)) {
+        $rcmail = rcmail::get_instance();
+        if (is_object($rcmail->plugins)) {
+            $plugin = $rcmail->plugins->exec_hook('console', array('args' => $args));
+            if ($plugin['abort'])
+                return;
+            $args = $plugin['args'];
+        }
+    }
+
+    $msg = array();
+    foreach ($args as $arg)
+        $msg[] = !is_string($arg) ? var_export($arg, true) : $arg;
+
+    write_log('console', join(";\n", $msg));
+}
+
+
+/**
+ * Append a line to a logfile in the logs directory.
+ * Date will be added automatically to the line.
+ *
+ * @param $name name of log file
+ * @param line Line to append
+ * @return void
+ */
+function write_log($name, $line)
+{
+  global $CONFIG, $RCMAIL;
+
+  if (!is_string($line))
+    $line = var_export($line, true);
+ 
+  if (empty($CONFIG['log_date_format']))
+    $CONFIG['log_date_format'] = 'd-M-Y H:i:s O';
+  
+  $date = date($CONFIG['log_date_format']);
+  
+  // trigger logging hook
+  if (is_object($RCMAIL) && is_object($RCMAIL->plugins)) {
+    $log = $RCMAIL->plugins->exec_hook('write_log', array('name' => $name, 'date' => $date, 'line' => $line));
+    $name = $log['name'];
+    $line = $log['line'];
+    $date = $log['date'];
+    if ($log['abort'])
+      return true;
+  }
+ 
+  if ($CONFIG['log_driver'] == 'syslog') {
+    $prio = $name == 'errors' ? LOG_ERR : LOG_INFO;
+    syslog($prio, $line);
+    return true;
+  }
+  else {
+    $line = sprintf("[%s]: %s\n", $date, $line);
+
+    // log_driver == 'file' is assumed here
+    if (empty($CONFIG['log_dir']))
+      $CONFIG['log_dir'] = INSTALL_PATH.'logs';
+
+    // try to open specific log file for writing
+    $logfile = $CONFIG['log_dir'].'/'.$name;
+    if ($fp = @fopen($logfile, 'a')) {
+      fwrite($fp, $line);
+      fflush($fp);
+      fclose($fp);
+      return true;
+    }
+    else
+      trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING);
+  }
+
+  return false;
+}
+
+
+/**
+ * Write login data (name, ID, IP address) to the 'userlogins' log file.
+ *
+ * @return void
+ */
+function rcmail_log_login()
+{
+  global $RCMAIL;
+
+  if (!$RCMAIL->config->get('log_logins') || !$RCMAIL->user)
+    return;
+
+  write_log('userlogins', sprintf('Successful login for %s (ID: %d) from %s',
+    $RCMAIL->user->get_username(), $RCMAIL->user->ID, rcmail_remote_ip()));
+}
+
+
+/**
+ * Returns remote IP address and forwarded addresses if found
+ *
+ * @return string Remote IP address(es)
+ */
+function rcmail_remote_ip()
+{
+    $address = $_SERVER['REMOTE_ADDR'];
+
+    // append the NGINX X-Real-IP header, if set
+    if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
+        $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
+    }
+    // append the X-Forwarded-For header, if set
+    if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
+    }
+
+    if (!empty($remote_ip))
+        $address .= '(' . implode(',', $remote_ip) . ')';
+
+    return $address;
+}
+
+
+/**
+ * Check whether the HTTP referer matches the current request
+ *
+ * @return boolean True if referer is the same host+path, false if not
+ */
+function rcube_check_referer()
+{
+  $uri = parse_url($_SERVER['REQUEST_URI']);
+  $referer = parse_url(rc_request_header('Referer'));
+  return $referer['host'] == rc_request_header('Host') && $referer['path'] == $uri['path'];
+}
+
+
+/**
+ * @access private
+ * @return mixed
+ */
+function rcube_timer()
+{
+  return microtime(true);
+}
+
+
+/**
+ * @access private
+ * @return void
+ */
+function rcube_print_time($timer, $label='Timer', $dest='console')
+{
+  static $print_count = 0;
+
+  $print_count++;
+  $now = rcube_timer();
+  $diff = $now-$timer;
+
+  if (empty($label))
+    $label = 'Timer '.$print_count;
+
+  write_log($dest, sprintf("%s: %0.4f sec", $label, $diff));
 }
 
 
@@ -1698,13 +2026,13 @@
 
     // report bug (if not incompatible browser)
     if ($log && $arg['type'] && $arg['message'])
-        log_bug($arg);
+        rcube_log_bug($arg);
 
     // display error page and terminate script
     if ($terminate) {
         $ERROR_CODE = $arg['code'];
         $ERROR_MESSAGE = $arg['message'];
-        include('program/steps/utils/error.inc');
+        include INSTALL_PATH . 'program/steps/utils/error.inc';
         exit;
     }
 }
@@ -1715,15 +2043,23 @@
  * Report error according to configured debug_level
  *
  * @param array Named parameters
+ * @return void
  * @see raise_error()
  */
-function log_bug($arg_arr)
+function rcube_log_bug($arg_arr)
 {
     global $CONFIG;
+
     $program = strtoupper($arg_arr['type']);
+    $level   = $CONFIG['debug_level'];
+
+    // disable errors for ajax requests, write to log instead (#1487831)
+    if (($level & 4) && !empty($_REQUEST['_remote'])) {
+        $level = ($level ^ 4) | 1;
+    }
 
     // write error to local log file
-    if ($CONFIG['debug_level'] & 1) {
+    if ($level & 1) {
         $post_query = ($_SERVER['REQUEST_METHOD'] == 'POST' ? '?_task='.urlencode($_POST['_task']).'&_action='.urlencode($_POST['_action']) : '');
         $log_entry = sprintf("%s Error: %s%s (%s %s)",
             $program,
@@ -1738,13 +2074,13 @@
         }
     }
 
-    // resport the bug to the global bug reporting system
-    if ($CONFIG['debug_level'] & 2) {
+    // report the bug to the global bug reporting system
+    if ($level & 2) {
         // TODO: Send error via HTTP
     }
 
     // show error if debug_mode is on
-    if ($CONFIG['debug_level'] & 4) {
+    if ($level & 4) {
         print "<b>$program Error";
 
         if (!empty($arg_arr['file']) && !empty($arg_arr['line']))

--
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