Merge branch 'master' of github.com:roundcube/roundcubemail

71 files changed, 1115 insertions, 346 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 19585aa43..dea5cda51 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,10 +1,13 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
-- Fix excessive LFs at the end of composed message with top_posting=true (#1488797)
+- Support contacts import from CSV file (#1486399)
+- Improved keep-alive action. Now the interval is based on session_lifetime (#1488507)
+- Added cross-task 'refresh' request for system state updates (#1488507)
+- Renamed config options: keep_alive to refresh_interval, min_keep_alive to min_refresh_interval
+- Fix handling of text/enriched content on message reply/forward/edit
 - Option to display attached images as thumbnails below message body
-- Fix bug where leading blanks were stripped from quoted lines (#1488795)
-- Upgraded to jQuery 1.8.2 and jQuery UI 1.9.1
+- Upgraded to jQuery 1.8.3 and jQuery UI 1.9.1
 - Add config option to automatically generate LDAP attributes for new entries
 - Better client-side timezone detection using the jsTimezoneDetect library (#1488725)
 - Add option to disable saving sent mail in Sent folder - no_save_sent_messages (#1488686)
@@ -52,6 +55,14 @@ CHANGELOG Roundcube Webmail
     Move global functions from main.inc and rcube_shared.inc into classes
     Better classes separation
 
+RELEASE 0.8.4
+-------------
+- Fix regression where unintentional page reload was done after request abort (#1488802)
+- Fix XSS vulnerability in handling of text/enriched messages (#1488806)
+- Fix handling of 'media' attribute on linked css (#1488789)
+- Fix excessive LFs at the end of composed message with top_posting=true (#1488797)
+- Fix bug where leading blanks were stripped from quoted lines (#1488795)
+
 RELEASE 0.8.3
 -------------
 - Fix AREA links handling (#1488792)
diff --git a/config/main.inc.php.dist b/config/main.inc.php.dist
index dc76f1887..3c7d8eda6 100644
--- a/config/main.inc.php.dist
+++ b/config/main.inc.php.dist
@@ -241,7 +241,6 @@ $rcmail_config['skin_include_php'] = false;
 $rcmail_config['display_version'] = false;
 
 // Session lifetime in minutes
-// must be greater than 'keep_alive'/60
 $rcmail_config['session_lifetime'] = 10;
 
 // Session domain: .example.org
@@ -504,9 +503,8 @@ $rcmail_config['recipients_separator'] = ',';
 // don't let users set pagesize to more than this value if set
 $rcmail_config['max_pagesize'] = 200;
 
-// Minimal value of user's 'keep_alive' setting (in seconds)
-// Must be less than 'session_lifetime'
-$rcmail_config['min_keep_alive'] = 60;
+// Minimal value of user's 'refresh_interval' setting (in seconds)
+$rcmail_config['min_refresh_interval'] = 60;
 
 // Enables files upload indicator. Requires APC installed and enabled apc.rfc1867 option.
 // By default refresh time is set to 1 second. You can set this value to true
@@ -790,9 +788,10 @@ $rcmail_config['read_when_deleted'] = true;
 // Use 'Purge' to remove messages marked as deleted
 $rcmail_config['flag_for_deletion'] = false;
 
-// Default interval for keep-alive/check-recent requests (in seconds)
-// Must be greater than or equal to 'min_keep_alive' and less than 'session_lifetime'
-$rcmail_config['keep_alive'] = 60;
+// Default interval for auto-refresh requests (in seconds)
+// These are requests for system state updates e.g. checking for new messages, etc.
+// Setting it to 0 disables the feature.
+$rcmail_config['refresh_interval'] = 60;
 
 // If true all folders will be checked for recent messages
 $rcmail_config['check_all_folders'] = false;
diff --git a/index.php b/index.php
index 0ad371a4a..aee94e971 100644
--- a/index.php
+++ b/index.php
@@ -249,7 +249,6 @@ $plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'a
 $RCMAIL->set_task($plugin['task']);
 $RCMAIL->action = $plugin['action'];
 
-
 // handle special actions
 if ($RCMAIL->action == 'keep-alive') {
   $OUTPUT->reset();
@@ -282,7 +281,8 @@ while ($redirects < 5) {
   else if (($stepfile = $RCMAIL->get_action_file())
     && is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile)
   ) {
-    include $incfile;
+    // include action file only once (in case it don't exit)
+    include_once $incfile;
     $redirects++;
   }
   else {
@@ -290,6 +290,9 @@ while ($redirects < 5) {
   }
 }
 
+if ($RCMAIL->action == 'refresh') {
+  $RCMAIL->plugins->exec_hook('refresh', array());
+}
 
 // parse main template (default)
 $OUTPUT->send($RCMAIL->task);
diff --git a/installer/rcube_install.php b/installer/rcube_install.php
index c1ebdca61..e120366ab 100644
--- a/installer/rcube_install.php
+++ b/installer/rcube_install.php
@@ -342,9 +342,6 @@ class rcube_install
       }
     }
 
-    if ($current['keep_alive'] && $current['session_lifetime'] < $current['keep_alive'])
-      $current['session_lifetime'] = max(10, ceil($current['keep_alive'] / 60) * 2);
-
     $this->config  = array_merge($this->config, $current);
 
     foreach ((array)$current['ldap_public'] as $key => $values) {
@@ -454,7 +451,7 @@ class rcube_install
         '0.5-beta', '0.5', '0.5.1',
         '0.6-beta', '0.6',
         '0.7-beta', '0.7', '0.7.1', '0.7.2', '0.7.3',
-        '0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2', '0.8.3',
+        '0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2', '0.8.3', '0.8.4',
     ));
     return $select;
   }
diff --git a/plugins/password/config.inc.php.dist b/plugins/password/config.inc.php.dist
index 8d7b433af..e960bbe00 100644
--- a/plugins/password/config.inc.php.dist
+++ b/plugins/password/config.inc.php.dist
@@ -25,6 +25,12 @@ $rcmail_config['password_log'] = false;
 // will be not available (no Password tab in Settings)
 $rcmail_config['password_login_exceptions'] = null;
 
+// Array of hosts that support password changing. Default is NULL.
+// Listed hosts will feature a Password option in Settings; others will not.
+// Example:
+//$rcmail_config['password_hosts'] = array('mail.example.com', 'mail2.example.org');
+$rcmail_config['password_hosts'] = null;
+
 
 // SQL Driver options
 // ------------------
diff --git a/plugins/password/package.xml b/plugins/password/package.xml
index 29d222409..9a056dec6 100644
--- a/plugins/password/package.xml
+++ b/plugins/password/package.xml
@@ -15,9 +15,9 @@
 		<email>alec@alec.pl</email>
 		<active>yes</active>
 	</lead>
-	<date>2012-03-07</date>
+	<date>2012-11-15</date>
 	<version>
-		<release>3.1</release>
+		<release>3.2</release>
 		<api>2.0</api>
 	</version>
 	<stability>
@@ -26,13 +26,8 @@
 	</stability>
 	<license uri="http://www.gnu.org/licenses/gpl-2.0.html">GNU GPLv2</license>
 	<notes>
-- Added pw_usermod driver (#1487826)
-- Added option password_login_exceptions (#1487826)
-- Added domainfactory driver (#1487882)
-- Added DBMail driver (#1488281)
-- Helper files moved to helpers/ directory from drivers/
-- Added Expect driver (#1488363)
-- Added Samba password (#1488364)
+- Fix wrong (non-specific) error message on crypt or connection error (#1488808)
+- Added option to define IMAP hosts that support password changes - password_hosts
     </notes>
 	<contents>
 		<dir baseinstalldir="/" name="/">
@@ -331,5 +326,26 @@
 - Fixed drivers namespace issues
             </notes>
         </release>
+        <release>
+        	<date>2012-03-07</date>
+        	<version>
+		        <release>3.1</release>
+        		<api>2.0</api>
+        	</version>
+        	<stability>
+		        <release>stable</release>
+        		<api>stable</api>
+        	</stability>
+        	<license uri="http://www.gnu.org/licenses/gpl-2.0.html">GNU GPLv2</license>
+        	<notes>
+- Added pw_usermod driver (#1487826)
+- Added option password_login_exceptions (#1487826)
+- Added domainfactory driver (#1487882)
+- Added DBMail driver (#1488281)
+- Helper files moved to helpers/ directory from drivers/
+- Added Expect driver (#1488363)
+- Added Samba password (#1488364)
+            </notes>
+        </release>
     </changelog>
 </package>
diff --git a/plugins/password/password.php b/plugins/password/password.php
index 58b6f8cd9..028a58d3e 100644
--- a/plugins/password/password.php
+++ b/plugins/password/password.php
@@ -3,7 +3,7 @@
 /*
  +-------------------------------------------------------------------------+
  | Password Plugin for Roundcube                                           |
- | @version @package_version@                                                             |
+ | @version @package_version@                                              |
  |                                                                         |
  | Copyright (C) 2009-2010, Roundcube Dev.                                 |
  |                                                                         |
@@ -56,7 +56,13 @@ class password extends rcube_plugin
 
         $this->load_config();
 
-        // Exceptions list
+        // Host exceptions
+        $hosts = $rcmail->config->get('password_hosts');
+        if (!empty($hosts) && !in_array($_SESSION['storage_host'], $hosts)) {
+            return;
+        }
+
+        // Login exceptions
         if ($exceptions = $rcmail->config->get('password_login_exceptions')) {
             $exceptions = array_map('trim', (array) $exceptions);
             $exceptions = array_filter($exceptions);
@@ -274,8 +280,10 @@ class password extends rcube_plugin
                 return;
             case PASSWORD_CRYPT_ERROR;
                 $reason = $this->gettext('crypterror');
+                break;
             case PASSWORD_CONNECT_ERROR;
                 $reason = $this->gettext('connecterror');
+                break;
             case PASSWORD_ERROR:
             default:
                 $reason = $this->gettext('internalerror');
diff --git a/program/include/html.php b/program/include/html.php
index 0f93e969d..8ff685a84 100644
--- a/program/include/html.php
+++ b/program/include/html.php
@@ -23,7 +23,8 @@
 /**
  * Class for HTML code creation
  *
- * @package HTML
+ * @package    Framework
+ * @subpackage HTML
  */
 class html
 {
diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 3728e5d19..99a68e81d 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -94,9 +94,6 @@ class rcmail extends rcube
     // create user object
     $this->set_user(new rcube_user($_SESSION['user_id']));
 
-    // configure session (after user config merge!)
-    $this->session_configure();
-
     // set task and action properties
     $this->set_task(rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC));
     $this->action = asciiwords(rcube_utils::get_input_value('_action', rcube_utils::INPUT_GPC));
@@ -320,10 +317,9 @@ class rcmail extends rcube
     if (!($this->output instanceof rcube_output_html))
       $this->output = new rcube_output_html($this->task, $framed);
 
-    // set keep-alive/check-recent interval
-    if ($this->session && ($keep_alive = $this->session->get_keep_alive())) {
-      $this->output->set_env('keep_alive', $keep_alive);
-    }
+    // set refresh interval
+    $this->output->set_env('refresh_interval', $this->config->get('refresh_interval', 0));
+    $this->output->set_env('session_lifetime', $this->config->get('session_lifetime', 0) * 60);
 
     if ($framed) {
       $this->comm_path .= '&_framed=1';
@@ -336,7 +332,7 @@ class rcmail extends rcube
     $this->output->set_charset(RCMAIL_CHARSET);
 
     // add some basic labels to client
-    $this->output->add_label('loading', 'servererror', 'requesttimedout');
+    $this->output->add_label('loading', 'servererror', 'requesttimedout', 'refreshing');
 
     return $this->output;
   }
@@ -522,7 +518,6 @@ class rcmail extends rcube
       // Configure environment
       $this->set_user($user);
       $this->set_storage_prop();
-      $this->session_configure();
 
       // fix some old settings according to namespace prefix
       $this->fix_namespace_settings($user);
@@ -775,6 +770,7 @@ class rcmail extends rcube
     }
   }
 
+
   /**
    * Registers action aliases for current task
    *
@@ -789,6 +785,7 @@ class rcmail extends rcube
     }
   }
 
+
   /**
    * Returns current action filename
    *
@@ -803,6 +800,7 @@ class rcmail extends rcube
     return strtr($this->action, '-', '_') . '.inc';
   }
 
+
   /**
    * Fixes some user preferences according to namespace handling change.
    * Old Roundcube versions were using folder names with removed namespace prefix.
diff --git a/program/include/rcube.php b/program/include/rcube.php
index 0e40b3c6b..9c1a6d84a 100644
--- a/program/include/rcube.php
+++ b/program/include/rcube.php
@@ -434,6 +434,9 @@ class rcube
         $this->session->register_gc_handler(array($this, 'temp_gc'));
         $this->session->register_gc_handler(array($this, 'cache_gc'));
 
+        $this->session->set_secret($this->config->get('des_key') . dirname($_SERVER['SCRIPT_NAME']));
+        $this->session->set_ip_check($this->config->get('ip_check'));
+
         // start PHP session (if not in CLI mode)
         if ($_SERVER['REMOTE_ADDR']) {
             session_start();
@@ -442,33 +445,6 @@ class rcube
 
 
     /**
-     * Configure session object internals
-     */
-    public function session_configure()
-    {
-        if (!$this->session) {
-            return;
-        }
-
-        $lifetime   = $this->config->get('session_lifetime', 0) * 60;
-        $keep_alive = $this->config->get('keep_alive');
-
-        // set keep-alive/check-recent interval
-        if ($keep_alive) {
-            // be sure that it's less than session lifetime
-            if ($lifetime) {
-                $keep_alive = min($keep_alive, $lifetime - 30);
-            }
-            $keep_alive = max(60, $keep_alive);
-            $this->session->set_keep_alive($keep_alive);
-        }
-
-        $this->session->set_secret($this->config->get('des_key') . dirname($_SERVER['SCRIPT_NAME']));
-        $this->session->set_ip_check($this->config->get('ip_check'));
-    }
-
-
-    /**
      * Garbage collector function for temp files.
      * Remove temp files older than two days
      */
diff --git a/program/include/rcube_addressbook.php b/program/include/rcube_addressbook.php
index 892ae263a..b5fb8cf43 100644
--- a/program/include/rcube_addressbook.php
+++ b/program/include/rcube_addressbook.php
@@ -23,7 +23,8 @@
 /**
  * Abstract skeleton of an address book/repository
  *
- * @package Addressbook
+ * @package    Framework
+ * @subpackage Addressbook
  */
 abstract class rcube_addressbook
 {
diff --git a/program/include/rcube_base_replacer.php b/program/include/rcube_base_replacer.php
index 4ec367552..b2a0fc13c 100644
--- a/program/include/rcube_base_replacer.php
+++ b/program/include/rcube_base_replacer.php
@@ -23,8 +23,9 @@
  * Helper class to turn relative urls into absolute ones
  * using a predefined base
  *
- * @package Core
- * @author Thomas Bruederli <roundcube@gmail.com>
+ * @package    Framework
+ * @subpackage Core
+ * @author     Thomas Bruederli <roundcube@gmail.com>
  */
 class rcube_base_replacer
 {
diff --git a/program/include/rcube_browser.php b/program/include/rcube_browser.php
index 7cfae709d..154e7ef4e 100644
--- a/program/include/rcube_browser.php
+++ b/program/include/rcube_browser.php
@@ -22,7 +22,8 @@
 /**
  * Provide details about the client's browser based on the User-Agent header
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Core
  */
 class rcube_browser
 {
diff --git a/program/include/rcube_cache.php b/program/include/rcube_cache.php
index 4e60deaff..3e1ce4fc8 100644
--- a/program/include/rcube_cache.php
+++ b/program/include/rcube_cache.php
@@ -25,10 +25,10 @@
 /**
  * Interface class for accessing Roundcube cache
  *
- * @package    Cache
+ * @package    Framework
+ * @subpackage Cache
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
- * @version    1.1
  */
 class rcube_cache
 {
diff --git a/program/include/rcube_charset.php b/program/include/rcube_charset.php
index ff4c2bbce..e8cce00e3 100644
--- a/program/include/rcube_charset.php
+++ b/program/include/rcube_charset.php
@@ -25,10 +25,11 @@
 /**
  * Character sets conversion functionality
  *
- * @package Core
- * @author Thomas Bruederli <roundcube@gmail.com>
- * @author Aleksander Machniak <alec@alec.pl>
- * @author Edmund Grimley Evans <edmundo@rano.org>
+ * @package    Framework
+ * @subpackage Core
+ * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @author     Aleksander Machniak <alec@alec.pl>
+ * @author     Edmund Grimley Evans <edmundo@rano.org>
  */
 class rcube_charset
 {
@@ -655,22 +656,49 @@ class rcube_charset
      */
     public static function detect($string, $failover='')
     {
-        if (!function_exists('mb_detect_encoding')) {
-            return $failover;
-        }
-
-        // FIXME: the order is important, because sometimes
-        // iso string is detected as euc-jp and etc.
-        $enc = array(
-            'UTF-8', 'SJIS', 'BIG5', 'GB2312',
-            'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
-            'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
-            'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
-            'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R',
-            'ISO-2022-KR', 'ISO-2022-JP'
-        );
+        if (substr($string, 0, 4) == "\0\0\xFE\xFF") return 'UTF-32BE';  // Big Endian
+        if (substr($string, 0, 4) == "\xFF\xFE\0\0") return 'UTF-32LE';  // Little Endian
+        if (substr($string, 0, 2) == "\xFE\xFF")     return 'UTF-16BE';  // Big Endian
+        if (substr($string, 0, 2) == "\xFF\xFE")     return 'UTF-16LE';  // Little Endian
+        if (substr($string, 0, 3) == "\xEF\xBB\xBF") return 'UTF-8';
+
+        // heuristics
+        if ($string[0] == "\0" && $string[1] == "\0" && $string[2] == "\0" && $string[3] != "\0") return 'UTF-32BE';
+        if ($string[0] != "\0" && $string[1] == "\0" && $string[2] == "\0" && $string[3] == "\0") return 'UTF-32LE';
+        if ($string[0] == "\0" && $string[1] != "\0" && $string[2] == "\0" && $string[3] != "\0") return 'UTF-16BE';
+        if ($string[0] != "\0" && $string[1] == "\0" && $string[2] != "\0" && $string[3] == "\0") return 'UTF-16LE';
+
+        if (function_exists('mb_detect_encoding')) {
+            // FIXME: the order is important, because sometimes
+            // iso string is detected as euc-jp and etc.
+            $enc = array(
+                'UTF-8', 'SJIS', 'GB2312',
+                'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
+                'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
+                'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
+                'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R', 'BIG5',
+                'ISO-2022-KR', 'ISO-2022-JP',
+            );
 
-        $result = mb_detect_encoding($string, join(',', $enc));
+            $result = mb_detect_encoding($string, join(',', $enc));
+        }
+        else {
+            // No match, check for UTF-8
+            // from http://w3.org/International/questions/qa-forms-utf-8.html
+            if (preg_match('/\A(
+                [\x09\x0A\x0D\x20-\x7E]
+                | [\xC2-\xDF][\x80-\xBF]
+                | \xE0[\xA0-\xBF][\x80-\xBF]
+                | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}
+                | \xED[\x80-\x9F][\x80-\xBF]
+                | \xF0[\x90-\xBF][\x80-\xBF]{2}
+                | [\xF1-\xF3][\x80-\xBF]{3}
+                | \xF4[\x80-\x8F][\x80-\xBF]{2}
+                )*\z/xs', substr($string, 0, 2048))
+            ) {
+            return 'UTF-8';
+            }
+        }
 
         return $result ? $result : $failover;
     }
diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index 1f165ba4a..dab539412 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -22,7 +22,8 @@
 /**
  * Configuration class for Roundcube
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Core
  */
 class rcube_config
 {
@@ -43,6 +44,8 @@ class rcube_config
         'mail_pagesize'        => 'pagesize',
         'addressbook_pagesize' => 'pagesize',
         'reply_mode'           => 'top_posting',
+        'refresh_interval'     => 'keep_alive',
+        'min_refresh_interval' => 'min_keep_alive',
     );
 
 
diff --git a/program/include/rcube_contacts.php b/program/include/rcube_contacts.php
index 534a65cb9..e4500c744 100644
--- a/program/include/rcube_contacts.php
+++ b/program/include/rcube_contacts.php
@@ -23,7 +23,8 @@
 /**
  * Model class for the local address book database
  *
- * @package Addressbook
+ * @package    Framework
+ * @subpackage Addressbook
  */
 class rcube_contacts extends rcube_addressbook
 {
diff --git a/program/include/rcube_content_filter.php b/program/include/rcube_content_filter.php
index 36e61a271..99916a300 100644
--- a/program/include/rcube_content_filter.php
+++ b/program/include/rcube_content_filter.php
@@ -21,6 +21,9 @@
 
 /**
  * PHP stream filter to detect html/javascript code in attachments
+ *
+ * @package    Framework
+ * @subpackage Core
  */
 class rcube_content_filter extends php_user_filter
 {
diff --git a/program/include/rcube_csv2vcard.php b/program/include/rcube_csv2vcard.php
new file mode 100644
index 000000000..114d36d85
--- /dev/null
+++ b/program/include/rcube_csv2vcard.php
@@ -0,0 +1,382 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_csv2vcard.php                                   |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2008-2012, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   CSV to vCard data conversion                                        |
+ +-----------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * CSV to vCard data converter
+ *
+ * @package    Framework
+ * @subpackage Addressbook
+ * @author     Aleksander Machniak <alec@alec.pl>
+ */
+class rcube_csv2vcard
+{
+    /**
+     * CSV to vCard fields mapping
+     *
+     * @var array
+     */
+    protected $csv2vcard_map = array(
+        // MS Outlook 2010
+        'anniversary'           => 'anniversary',
+        'assistants_name'       => 'assistant',
+        'assistants_phone'      => 'phone:assistant',
+        'birthday'              => 'birthday',
+        'business_city'         => 'locality:work',
+        'business_countryregion' => 'country:work',
+        'business_fax'          => 'phone:work,fax',
+        'business_phone'        => 'phone:work',
+        'business_phone_2'      => 'phone:work2',
+        'business_postal_code'  => 'zipcode:work',
+        'business_state'        => 'region:work',
+        'business_street'       => 'street:work',
+        //'business_street_2'     => '',
+        //'business_street_3'     => '',
+        'car_phone'             => 'phone:car',
+        'categories'            => 'categories',
+        //'children'              => '',
+        'company'               => 'organization',
+        //'company_main_phone'    => '',
+        'department'            => 'department',
+        //'email_2_address'       => '', //@TODO
+        //'email_2_type'          => '',
+        //'email_3_address'       => '', //@TODO
+        //'email_3_type'          => '',
+        'email_address'         => 'email:main',
+        //'email_type'            => '',
+        'first_name'            => 'firstname',
+        'gender'                => 'gender',
+        'home_city'             => 'locality:home',
+        'home_countryregion'    => 'country:home',
+        'home_fax'              => 'phone:home,fax',
+        'home_phone'            => 'phone:home',
+        'home_phone_2'          => 'phone:home2',
+        'home_postal_code'      => 'zipcode:home',
+        'home_state'            => 'region:home',
+        'home_street'           => 'street:home',
+        //'home_street_2'         => '',
+        //'home_street_3'         => '',
+        //'initials'              => '',
+        //'isdn'                  => '',
+        'job_title'             => 'jobtitle',
+        //'keywords'              => '',
+        //'language'              => '',
+        'last_name'             => 'surname',
+        //'location'              => '',
+        'managers_name'         => 'manager',
+        'middle_name'           => 'middlename',
+        //'mileage'               => '',
+        'mobile_phone'          => 'phone:cell',
+        'notes'                 => 'notes',
+        //'office_location'       => '',
+        'other_city'            => 'locality:other',
+        'other_countryregion'   => 'country:other',
+        'other_fax'             => 'phone:other,fax',
+        'other_phone'           => 'phone:other',
+        'other_postal_code'     => 'zipcode:other',
+        'other_state'           => 'region:other',
+        'other_street'          => 'street:other',
+        //'other_street_2'        => '',
+        //'other_street_3'        => '',
+        'pager'                 => 'phone:pager',
+        'primary_phone'         => 'phone:pref',
+        //'profession'            => '',
+        //'radio_phone'           => '',
+        'spouse'                => 'spouse',
+        'suffix'                => 'suffix',
+        'title'                 => 'title',
+        'web_page'              => 'website:homepage',
+
+        // Thunderbird
+        'birth_day'             => 'birthday-d',
+        'birth_month'           => 'birthday-m',
+        'birth_year'            => 'birthday-y',
+        'display_name'          => 'displayname',
+        'fax_number'            => 'phone:fax',
+        'home_address'          => 'street:home',
+        //'home_address_2'        => '',
+        'home_country'          => 'country:home',
+        'home_zipcode'          => 'zipcode:home',
+        'mobile_number'         => 'phone:cell',
+        'nickname'              => 'nickname',
+        'organization'          => 'organization',
+        'pager_number'          => 'phone:pager',
+        'primary_email'         => 'email:pref',
+        'secondary_email'       => 'email:other',
+        'web_page_1'            => 'website:homepage',
+        'web_page_2'            => 'website:other',
+        'work_phone'            => 'phone:work',
+        'work_address'          => 'street:work',
+        //'work_address_2'        => '',
+        'work_country'          => 'country:work',
+        'work_zipcode'          => 'zipcode:work',
+    );
+
+    /**
+     * CSV label to text mapping for English
+     *
+     * @var array
+     */
+    protected $label_map = array(
+        // MS Outlook 2010
+        'anniversary'       => "Anniversary",
+        'assistants_name'   => "Assistant's Name",
+        'assistants_phone'  => "Assistant's Phone",
+        'birthday'          => "Birthday",
+        'business_city'     => "Business City",
+        'business_countryregion' => "Business Country/Region",
+        'business_fax'      => "Business Fax",
+        'business_phone'    => "Business Phone",
+        'business_phone_2'  => "Business Phone 2",
+        'business_postal_code' => "Business Postal Code",
+        'business_state'    => "Business State",
+        'business_street'   => "Business Street",
+        //'business_street_2' => "Business Street 2",
+        //'business_street_3' => "Business Street 3",
+        'car_phone'         => "Car Phone",
+        'categories'        => "Categories",
+        //'children'          => "Children",
+        'company'           => "Company",
+        //'company_main_phone' => "Company Main Phone",
+        'department'        => "Department",
+        //'directory_server'  => "Directory Server",
+        //'email_2_address'   => "E-mail 2 Address",
+        //'email_2_type'      => "E-mail 2 Type",
+        //'email_3_address'   => "E-mail 3 Address",
+        //'email_3_type'      => "E-mail 3 Type",
+        'email_address'     => "E-mail Address",
+        //'email_type'        => "E-mail Type",
+        'first_name'        => "First Name",
+        'gender'            => "Gender",
+        'home_city'         => "Home City",
+        'home_countryregion' => "Home Country/Region",
+        'home_fax'          => "Home Fax",
+        'home_phone'        => "Home Phone",
+        'home_phone_2'      => "Home Phone 2",
+        'home_postal_code'  => "Home Postal Code",
+        'home_state'        => "Home State",
+        'home_street'       => "Home Street",
+        //'home_street_2'     => "Home Street 2",
+        //'home_street_3'     => "Home Street 3",
+        //'initials'          => "Initials",
+        //'isdn'              => "ISDN",
+        'job_title'         => "Job Title",
+        //'keywords'          => "Keywords",
+        //'language'          => "Language",
+        'last_name'         => "Last Name",
+        //'location'          => "Location",
+        'managers_name'     => "Manager's Name",
+        'middle_name'       => "Middle Name",
+        //'mileage'           => "Mileage",
+        'mobile_phone'      => "Mobile Phone",
+        'notes'             => "Notes",
+        //'office_location'   => "Office Location",
+        'other_city'        => "Other City",
+        'other_countryregion' => "Other Country/Region",
+        'other_fax'         => "Other Fax",
+        'other_phone'       => "Other Phone",
+        'other_postal_code' => "Other Postal Code",
+        'other_state'       => "Other State",
+        'other_street'      => "Other Street",
+        //'other_street_2'    => "Other Street 2",
+        //'other_street_3'    => "Other Street 3",
+        'pager'             => "Pager",
+        'primary_phone'     => "Primary Phone",
+        //'profession'        => "Profession",
+        //'radio_phone'       => "Radio Phone",
+        'spouse'            => "Spouse",
+        'suffix'            => "Suffix",
+        'title'             => "Title",
+        'web_page'          => "Web Page",
+
+        // Thunderbird
+        'birth_day'         => "Birth Day",
+        'birth_month'       => "Birth Month",
+        'birth_year'        => "Birth Year",
+        'display_name'      => "Display Name",
+        'fax_number'        => "Fax Number",
+        'home_address'      => "Home Address",
+        //'home_address_2'    => "Home Address 2",
+        'home_country'      => "Home Country",
+        'home_zipcode'      => "Home ZipCode",
+        'mobile_number'     => "Mobile Number",
+        'nickname'          => "Nickname",
+        'organization'      => "Organization",
+        'pager_number'      => "Pager Namber",
+        'primary_email'     => "Primary Email",
+        'secondary_email'   => "Secondary Email",
+        'web_page_1'        => "Web Page 1",
+        'web_page_2'        => "Web Page 2",
+        'work_phone'        => "Work Phone",
+        'work_address'      => "Work Address",
+        //'work_address_2'    => "Work Address 2",
+        'work_country'      => "Work Country",
+        'work_zipcode'      => "Work ZipCode",
+    );
+
+    protected $local_label_map = array();
+    protected $vcards = array();
+    protected $map = array();
+
+
+    /**
+     * Class constructor
+     *
+     * @param string $lang File language
+     */
+    public function __construct($lang = 'en_US')
+    {
+        // Localize fields map
+        if ($lang && $lang != 'en_US') {
+            if (file_exists(INSTALL_PATH . "program/localization/$lang/csv2vcard.inc")) {
+                include INSTALL_PATH . "program/localization/$lang/csv2vcard.inc";
+            }
+
+            if (!empty($map)) {
+                $this->local_label_map = array_merge($this->label_map, $map);
+            }
+        }
+
+        $this->label_map = array_flip($this->label_map);
+        $this->local_label_map = array_flip($this->local_label_map);
+    }
+
+    /**
+     *
+     */
+    public function import($csv)
+    {
+        // convert to UTF-8
+        $head     = substr($csv, 0, 4096);
+        $fallback = rcube::get_instance()->config->get('default_charset', 'ISO-8859-1'); // fallback to Latin-1?
+        $charset  = rcube_charset::detect($head, RCMAIL_CHARSET);
+        $csv      = rcube_charset::convert($csv, $charset);
+        $head     = '';
+
+        $this->map = array();
+
+        // Parse file
+        foreach (preg_split("/[\r\n]+/", $csv) as $i => $line) {
+            $line = trim($line);
+            if (empty($line)) {
+                continue;
+            }
+
+            $elements = rcube_utils::explode_quoted_string(',', $line);
+
+            if (empty($elements)) {
+                continue;
+            }
+
+            // Parse header
+            if (empty($this->map)) {
+                $this->parse_header($elements);
+                if (empty($this->map)) {
+                    break;
+                }
+            }
+            // Parse data row
+            else {
+                $this->csv_to_vcard($elements);
+            }
+        }
+    }
+
+    /**
+     * @return array rcube_vcard List of vcards
+     */
+    public function export()
+    {
+        return $this->vcards;
+    }
+
+    /**
+     * Parse CSV header line, detect fields mapping
+     */
+    protected function parse_header($elements)
+    {
+        $map1 = array();
+        $map2 = array();
+        $size = count($elements);
+
+        // check English labels
+        for ($i = 0; $i < $size; $i++) {
+            $label = $this->label_map[$elements[$i]];
+            if ($label && !empty($this->csv2vcard_map[$label])) {
+                $map1[$i] = $this->csv2vcard_map[$label];
+            }
+        }
+        // check localized labels
+        if (!empty($this->local_label_map)) {
+            for ($i = 0; $i < $size; $i++) {
+                $label = $this->local_label_map[$elements[$i]];
+                if ($label && !empty($this->csv2vcard_map[$label])) {
+                    $map2[$i] = $this->csv2vcard_map[$label];
+                }
+            }
+        }
+
+        $this->map = count($map1) >= count($map2) ? $map1 : $map2;
+    }
+
+    /**
+     * Convert CSV data row to vCard
+     */
+    protected function csv_to_vcard($data)
+    {
+        $contact = array();
+        foreach ($this->map as $idx => $name) {
+            $value = $data[$idx];
+            if ($value !== null && $value !== '') {
+                $contact[$name] = $value;
+            }
+        }
+
+        if (empty($contact)) {
+            return;
+        }
+
+        // Handle special values
+        if (!empty($contact['birthday-d']) && !empty($contact['birthday-m']) && !empty($contact['birthday-y'])) {
+            $contact['birthday'] = $contact['birthday-y'] .'-' .$contact['birthday-m'] . '-' . $contact['birthday-d'];
+        }
+
+        foreach (array('birthday', 'anniversary') as $key) {
+            if (!empty($contact[$key]) && $contact[$key] == '0/0/00') { // @TODO: localization?
+                unset($contact[$key]);
+            }
+        }
+
+        if (!empty($contact['gender']) && ($gender = strtolower($contact['gender']))) {
+            if (!in_array($gender, array('male', 'female'))) {
+                unset($contact['gender']);
+            }
+        }
+
+        // Create vcard object
+        $vcard = new rcube_vcard();
+        foreach ($contact as $name => $value) {
+            $name = explode(':', $name);
+            $vcard->set($name[0], $value, $name[1]);
+        }
+
+        // add to the list
+        $this->vcards[] = $vcard;
+    }
+}
diff --git a/program/include/rcube_db.php b/program/include/rcube_db.php
index b066101b3..5d8c4a534 100644
--- a/program/include/rcube_db.php
+++ b/program/include/rcube_db.php
@@ -21,12 +21,11 @@
 
 
 /**
- * Database independent query interface
+ * Database independent query interface.
+ * This is a wrapper for the PHP PDO.
  *
- * This is a wrapper for the PHP PDO
- *
- * @package Database
- * @version 1.0
+ * @package   Framework
+ * @sbpackage Database
  */
 class rcube_db
 {
diff --git a/program/include/rcube_db_mssql.php b/program/include/rcube_db_mssql.php
index 119647d95..c95663c74 100644
--- a/program/include/rcube_db_mssql.php
+++ b/program/include/rcube_db_mssql.php
@@ -23,11 +23,10 @@
 
 /**
  * Database independent query interface
- *
  * This is a wrapper for the PHP PDO
  *
- * @package Database
- * @version 1.0
+ * @package    Framework
+ * @subpackage Database
  */
 class rcube_db_mssql extends rcube_db
 {
diff --git a/program/include/rcube_db_mysql.php b/program/include/rcube_db_mysql.php
index 6f0acba54..1c5ba1de7 100644
--- a/program/include/rcube_db_mysql.php
+++ b/program/include/rcube_db_mysql.php
@@ -26,8 +26,8 @@
  *
  * This is a wrapper for the PHP PDO
  *
- * @package Database
- * @version 1.0
+ * @package    Framework
+ * @subpackage Database
  */
 class rcube_db_mysql extends rcube_db
 {
diff --git a/program/include/rcube_db_pgsql.php b/program/include/rcube_db_pgsql.php
index 0d0caadde..797860a84 100644
--- a/program/include/rcube_db_pgsql.php
+++ b/program/include/rcube_db_pgsql.php
@@ -23,11 +23,10 @@
 
 /**
  * Database independent query interface
- *
  * This is a wrapper for the PHP PDO
  *
- * @package Database
- * @version 1.0
+ * @package    Framework
+ * @subpackage Database
  */
 class rcube_db_pgsql extends rcube_db
 {
diff --git a/program/include/rcube_db_sqlite.php b/program/include/rcube_db_sqlite.php
index a7397674b..9aa67d0fd 100644
--- a/program/include/rcube_db_sqlite.php
+++ b/program/include/rcube_db_sqlite.php
@@ -23,11 +23,10 @@
 
 /**
  * Database independent query interface
- *
  * This is a wrapper for the PHP PDO
  *
- * @package Database
- * @version 1.0
+ * @package    Framework
+ * @subpackage Database
  */
 class rcube_db_sqlite extends rcube_db
 {
diff --git a/program/include/rcube_db_sqlsrv.php b/program/include/rcube_db_sqlsrv.php
index e58bf0704..8b6ffe807 100644
--- a/program/include/rcube_db_sqlsrv.php
+++ b/program/include/rcube_db_sqlsrv.php
@@ -23,11 +23,10 @@
 
 /**
  * Database independent query interface
- *
  * This is a wrapper for the PHP PDO
  *
- * @package Database
- * @version 1.0
+ * @package    Framework
+ * @subpackage Database
  */
 class rcube_db_sqlsrv extends rcube_db
 {
diff --git a/program/include/rcube_image.php b/program/include/rcube_image.php
index c0d4e878d..b72a24c51 100644
--- a/program/include/rcube_image.php
+++ b/program/include/rcube_image.php
@@ -21,6 +21,12 @@
  +-----------------------------------------------------------------------+
 */
 
+/**
+ * Image resizer and converter
+ *
+ * @package    Framework
+ * @subpackage Utils
+ */
 class rcube_image
 {
     private $image_file;
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index f2645f60f..9054b6bab 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -25,10 +25,10 @@
 /**
  * Interface class for accessing an IMAP server
  *
- * @package    Mail
+ * @package    Framework
+ * @subpackage Storage
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
- * @version    2.0
  */
 class rcube_imap extends rcube_storage
 {
diff --git a/program/include/rcube_imap_cache.php b/program/include/rcube_imap_cache.php
index f36ace0eb..31214cfbf 100644
--- a/program/include/rcube_imap_cache.php
+++ b/program/include/rcube_imap_cache.php
@@ -24,10 +24,10 @@
 /**
  * Interface class for accessing Roundcube messages cache
  *
- * @package    Cache
+ * @package    Framework
+ * @subpackage Storage
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
- * @version    1.0
  */
 class rcube_imap_cache
 {
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index bc7ecfc37..a0a8f3b77 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -30,8 +30,8 @@
 /**
  * PHP based wrapper class to connect to an IMAP server
  *
- * @package Mail
- * @author  Aleksander Machniak <alec@alec.pl>
+ * @package    Framework
+ * @subpackage Storage
  */
 class rcube_imap_generic
 {
diff --git a/program/include/rcube_ldap.php b/program/include/rcube_ldap.php
index 90ce73ae2..34e37e3b9 100644
--- a/program/include/rcube_ldap.php
+++ b/program/include/rcube_ldap.php
@@ -6,7 +6,7 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2006-2012, The Roundcube Dev Team                       |
- | Copyright (C) 2011, Kolab Systems AG                                  |
+ | Copyright (C) 2011-2012, Kolab Systems AG                             |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -26,7 +26,8 @@
 /**
  * Model class to access an LDAP address directory
  *
- * @package Addressbook
+ * @package    Framework
+ * @subpackage Addressbook
  */
 class rcube_ldap extends rcube_addressbook
 {
@@ -160,7 +161,8 @@ class rcube_ldap extends rcube_addressbook
         }
 
         // make sure LDAP_rdn field is required
-        if (!empty($this->prop['LDAP_rdn']) && !in_array($this->prop['LDAP_rdn'], $this->prop['required_fields']) && !in_array($this->prop['LDAP_rdn'], array_keys($this->prop['autovalues']))) {
+        if (!empty($this->prop['LDAP_rdn']) && !in_array($this->prop['LDAP_rdn'], $this->prop['required_fields'])
+            && !in_array($this->prop['LDAP_rdn'], array_keys((array)$this->prop['autovalues']))) {
             $this->prop['required_fields'][] = $this->prop['LDAP_rdn'];
         }
 
diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index 47aa4493e..87319f04f 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -24,7 +24,8 @@
  * Logical representation of a mail message with all its data
  * and related functions
  *
- * @package    Mail
+ * @package    Framework
+ * @subpackage Storage
  * @author     Thomas Bruederli <roundcube@gmail.com>
  */
 class rcube_message
@@ -198,14 +199,15 @@ class rcube_message
      * Determine if the message contains a HTML part
      *
      * @param bool $recursive Enables checking in all levels of the structure
+     * @param bool $enriched  Enables checking for text/enriched parts too
      *
      * @return bool True if a HTML is available, False if not
      */
-    function has_html_part($recursive = true)
+    function has_html_part($recursive = true, $enriched = false)
     {
         // check all message parts
         foreach ($this->parts as $part) {
-            if ($part->mimetype == 'text/html') {
+            if ($part->mimetype == 'text/html' || ($enriched && $part->mimetype == 'text/enriched')) {
                 // Level check, we'll skip e.g. HTML attachments
                 if (!$recursive) {
                     $level = explode('.', $part->mime_id);
@@ -270,10 +272,6 @@ class rcube_message
             else if ($part->mimetype == 'text/html') {
                 $out = $this->get_part_content($mime_id);
 
-                // remove special chars encoding
-                $trans = array_flip(get_html_translation_table(HTML_ENTITIES));
-                $out = strtr($out, $trans);
-
                 // create instance of html2text class
                 $txt = new html2text($out);
                 return $txt->get_text();
diff --git a/program/include/rcube_message_header.php b/program/include/rcube_message_header.php
index 378fb98c9..db82247f9 100644
--- a/program/include/rcube_message_header.php
+++ b/program/include/rcube_message_header.php
@@ -23,8 +23,9 @@
 /**
  * Struct representing an e-mail message header
  *
- * @package Mail
- * @author  Aleksander Machniak <alec@alec.pl>
+ * @package    Framework
+ * @subpackage Storage
+ * @author     Aleksander Machniak <alec@alec.pl>
  */
 class rcube_message_header
 {
diff --git a/program/include/rcube_message_part.php b/program/include/rcube_message_part.php
index 80a019e50..c9c9257eb 100644
--- a/program/include/rcube_message_part.php
+++ b/program/include/rcube_message_part.php
@@ -25,10 +25,10 @@
 /**
  * Class representing a message part
  *
- * @package    Mail
+ * @package    Framework
+ * @subpackage Storage
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
- * @version    2.0
  */
 class rcube_message_part
 {
diff --git a/program/include/rcube_mime.php b/program/include/rcube_mime.php
index d8e04a97c..2dbeaf67a 100644
--- a/program/include/rcube_mime.php
+++ b/program/include/rcube_mime.php
@@ -25,9 +25,10 @@
 /**
  * Class for parsing MIME messages
  *
- * @package Mail
- * @author  Thomas Bruederli <roundcube@gmail.com>
- * @author  Aleksander Machniak <alec@alec.pl>
+ * @package    Framework
+ * @subpackage Storage
+ * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @author     Aleksander Machniak <alec@alec.pl>
  */
 class rcube_mime
 {
diff --git a/program/include/rcube_output.php b/program/include/rcube_output.php
index 5c582e67c..f7ac3002f 100644
--- a/program/include/rcube_output.php
+++ b/program/include/rcube_output.php
@@ -22,7 +22,8 @@
 /**
  * Class for output generation
  *
- * @package HTML
+ * @package    Framework
+ * @subpackage View
  */
 abstract class rcube_output
 {
diff --git a/program/include/rcube_output_html.php b/program/include/rcube_output_html.php
index 7b186b99d..6dd58fd36 100644
--- a/program/include/rcube_output_html.php
+++ b/program/include/rcube_output_html.php
@@ -23,7 +23,8 @@
 /**
  * Class to create HTML page output using a skin template
  *
- * @package View
+ * @package    Framework
+ * @subpackage View
  */
 class rcube_output_html extends rcube_output
 {
@@ -1090,7 +1091,7 @@ class rcube_output_html extends rcube_output
             // make valid href to specific buttons
             if (in_array($attrib['command'], rcmail::$main_tasks)) {
                 $attrib['href']    = $this->app->url(array('task' => $attrib['command']));
-                $attrib['onclick'] = sprintf("%s.command('switch-task','%s',null,event); return false", rcmail::JS_OBJECT_NAME, $attrib['command']);
+                $attrib['onclick'] = sprintf("return %s.command('switch-task','%s',this,event)", rcmail::JS_OBJECT_NAME, $attrib['command']);
             }
             else if ($attrib['task'] && in_array($attrib['task'], rcmail::$main_tasks)) {
                 $attrib['href'] = $this->app->url(array('action' => $attrib['command'], 'task' => $attrib['task']));
diff --git a/program/include/rcube_output_json.php b/program/include/rcube_output_json.php
index eb1a9380d..fcd52c789 100644
--- a/program/include/rcube_output_json.php
+++ b/program/include/rcube_output_json.php
@@ -23,7 +23,8 @@
 /**
  * View class to produce JSON responses
  *
- * @package View
+ * @package    Framework
+ * @subpackage View
  */
 class rcube_output_json extends rcube_output
 {
diff --git a/program/include/rcube_plugin.php b/program/include/rcube_plugin.php
index 45088850a..dbb15e8be 100644
--- a/program/include/rcube_plugin.php
+++ b/program/include/rcube_plugin.php
@@ -22,7 +22,8 @@
 /**
  * Plugin interface class
  *
- * @package PluginAPI
+ * @package    Framework
+ * @subpackage PluginAPI
  */
 abstract class rcube_plugin
 {
diff --git a/program/include/rcube_plugin_api.php b/program/include/rcube_plugin_api.php
index 107c81026..51daf2797 100644
--- a/program/include/rcube_plugin_api.php
+++ b/program/include/rcube_plugin_api.php
@@ -27,7 +27,8 @@ if (!defined('RCMAIL_PLUGINS_DIR'))
 /**
  * The plugin loader and global API
  *
- * @package PluginAPI
+ * @package    Framework
+ * @subpackage PluginAPI
  */
 class rcube_plugin_api
 {
@@ -327,7 +328,7 @@ class rcube_plugin_api
     if (isset($this->actions[$action])) {
       call_user_func($this->actions[$action]);
     }
-    else {
+    else if (rcube::get_instance()->action != 'refresh') {
       rcube::raise_error(array('code' => 524, 'type' => 'php',
         'file' => __FILE__, 'line' => __LINE__,
         'message' => "No handler found for action $action"), true, true);
diff --git a/program/include/rcube_result_index.php b/program/include/rcube_result_index.php
index 334ec8530..4d1ae13b6 100644
--- a/program/include/rcube_result_index.php
+++ b/program/include/rcube_result_index.php
@@ -24,6 +24,9 @@
 
 /**
  * Class for accessing IMAP's SORT/SEARCH/ESEARCH result
+ *
+ * @package    Framework
+ * @subpackage Storage
  */
 class rcube_result_index
 {
diff --git a/program/include/rcube_result_set.php b/program/include/rcube_result_set.php
index 809d8743f..456d1c9d6 100644
--- a/program/include/rcube_result_set.php
+++ b/program/include/rcube_result_set.php
@@ -24,7 +24,8 @@
  * Roundcube result set class.
  * Representing an address directory result set.
  *
- * @package Addressbook
+ * @package    Framework
+ * @subpackage Addressbook
  */
 class rcube_result_set
 {
diff --git a/program/include/rcube_result_thread.php b/program/include/rcube_result_thread.php
index b2325a499..c609bdc39 100644
--- a/program/include/rcube_result_thread.php
+++ b/program/include/rcube_result_thread.php
@@ -24,6 +24,9 @@
 
 /**
  * Class for accessing IMAP's THREAD result
+ *
+ * @package    Framework
+ * @subpackage Storage
  */
 class rcube_result_thread
 {
diff --git a/program/include/rcube_session.php b/program/include/rcube_session.php
index 6192466cd..fdbf668ca 100644
--- a/program/include/rcube_session.php
+++ b/program/include/rcube_session.php
@@ -24,7 +24,8 @@
 /**
  * Class to provide database supported session storage
  *
- * @package    Core
+ * @package    Framework
+ * @subpackage Core
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
  */
@@ -43,7 +44,6 @@ class rcube_session
   private $secret = '';
   private $ip_check = false;
   private $logging = false;
-  private $keep_alive = 0;
   private $memcache;
 
   /**
@@ -525,24 +525,6 @@ class rcube_session
       $this->now = $now - ($now % ($this->lifetime / 2));
   }
 
-  /**
-   * Setter for keep_alive interval
-   */
-  public function set_keep_alive($keep_alive)
-  {
-    $this->keep_alive = $keep_alive;
-
-    if ($this->lifetime < $keep_alive)
-        $this->set_lifetime($keep_alive + 30);
-  }
-
-  /**
-   * Getter for keep_alive interval
-   */
-  public function get_keep_alive()
-  {
-    return $this->keep_alive;
-  }
 
   /**
    * Getter for remote IP saved with this session
@@ -552,6 +534,7 @@ class rcube_session
     return $this->ip;
   }
 
+
   /**
    * Setter for cookie encryption secret
    */
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 4577c6df5..5105fe22f 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -23,7 +23,8 @@
 /**
  * Roundcube shared functions
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Core
  */
 
 
diff --git a/program/include/rcube_smtp.php b/program/include/rcube_smtp.php
index b28be5206..490ea8ad6 100644
--- a/program/include/rcube_smtp.php
+++ b/program/include/rcube_smtp.php
@@ -25,7 +25,8 @@ define('SMTP_MIME_CRLF', "\r\n");
 /**
  * Class to provide SMTP functionality using PEAR Net_SMTP
  *
- * @package    Mail
+ * @package    Framework
+ * @subpackage Mail
  * @author     Thomas Bruederli <roundcube@gmail.com>
  * @author     Aleksander Machniak <alec@alec.pl>
  */
diff --git a/program/include/rcube_spellchecker.php b/program/include/rcube_spellchecker.php
index 219dca780..30d15d721 100644
--- a/program/include/rcube_spellchecker.php
+++ b/program/include/rcube_spellchecker.php
@@ -25,7 +25,8 @@
 /**
  * Helper class for spellchecking with Googielspell and PSpell support.
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Utils
  */
 class rcube_spellchecker
 {
diff --git a/program/include/rcube_storage.php b/program/include/rcube_storage.php
index 933ebcc25..1556aae41 100644
--- a/program/include/rcube_storage.php
+++ b/program/include/rcube_storage.php
@@ -25,10 +25,10 @@
 /**
  * Abstract class for accessing mail messages storage server
  *
- * @package Mail
- * @author  Thomas Bruederli <roundcube@gmail.com>
- * @author  Aleksander Machniak <alec@alec.pl>
- * @version 2.0
+ * @package    Framework
+ * @subpackage Storage
+ * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @author     Aleksander Machniak <alec@alec.pl>
  */
 abstract class rcube_storage
 {
diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index edb2ac34f..9af6b33e0 100644
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -23,7 +23,8 @@
 /**
  * Helper class for string replacements based on preg_replace_callback
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Utils
  */
 class rcube_string_replacer
 {
diff --git a/program/include/rcube_user.php b/program/include/rcube_user.php
index b92187ad4..5a8e9005e 100644
--- a/program/include/rcube_user.php
+++ b/program/include/rcube_user.php
@@ -5,7 +5,7 @@
  | program/include/rcube_user.inc                                        |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -17,6 +17,7 @@
  |                                                                       |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
 */
 
@@ -24,8 +25,8 @@
 /**
  * Class representing a system user
  *
- * @package    Core
- * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @package    Framework
+ * @subpackage Core
  */
 class rcube_user
 {
@@ -47,6 +48,13 @@ class rcube_user
      */
     private $rc;
 
+    /**
+     * Internal identities cache
+     *
+     * @var array
+     */
+    private $identities = array();
+
     const SEARCH_ADDRESSBOOK = 1;
     const SEARCH_MAIL = 2;
 
@@ -213,8 +221,14 @@ class rcube_user
      */
     function get_identity($id = null)
     {
-        $result = $this->list_identities($id ? sprintf('AND identity_id = %d', $id) : '');
-        return $result[0];
+        $id = (int)$id;
+        // cache identities for better performance
+        if (!array_key_exists($id, $this->identities)) {
+            $result = $this->list_identities($id ? 'AND identity_id = ' . $id : '');
+            $this->identities[$id] = $result[0];
+        }
+
+        return $this->identities[$id];
     }
 
 
@@ -273,6 +287,8 @@ class rcube_user
         call_user_func_array(array($this->db, 'query'),
             array_merge(array($sql), $query_params));
 
+        $this->identities = array();
+
         return $this->db->affected_rows();
     }
 
@@ -305,6 +321,8 @@ class rcube_user
         call_user_func_array(array($this->db, 'query'),
             array_merge(array($sql), $insert_values));
 
+        $this->identities = array();
+
         return $this->db->insert_id('identities');
     }
 
@@ -339,6 +357,8 @@ class rcube_user
             $this->ID,
             $iid);
 
+        $this->identities = array();
+
         return $this->db->affected_rows();
     }
 
@@ -359,6 +379,8 @@ class rcube_user
                     " AND del <> 1",
                 $this->ID,
                 $iid);
+
+            unset($this->identities[0]);
         }
     }
 
diff --git a/program/include/rcube_utils.php b/program/include/rcube_utils.php
index 2a4d4c482..dfaa9b943 100644
--- a/program/include/rcube_utils.php
+++ b/program/include/rcube_utils.php
@@ -24,7 +24,8 @@
 /**
  * Utility class providing common functions
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Utils
  */
 class rcube_utils
 {
@@ -761,7 +762,7 @@ class rcube_utils
             }
         }
 
-        $result[] = substr($string, $p);
+        $result[] = (string) substr($string, $p);
 
         return $result;
     }
diff --git a/program/include/rcube_vcard.php b/program/include/rcube_vcard.php
index 00903c257..d0a341da1 100644
--- a/program/include/rcube_vcard.php
+++ b/program/include/rcube_vcard.php
@@ -5,7 +5,7 @@
  | program/include/rcube_vcard.php                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2008-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2008-2012, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -15,6 +15,7 @@
  |   Logical representation of a vcard address record                    |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
  +-----------------------------------------------------------------------+
 */
 
@@ -23,8 +24,8 @@
  * Logical representation of a vcard-based address record
  * Provides functions to parse and export vCard data format
  *
- * @package    Addressbook
- * @author     Thomas Bruederli <roundcube@gmail.com>
+ * @package    Framework
+ * @subpackage Addressbook
  */
 class rcube_vcard
 {
@@ -62,7 +63,6 @@ class rcube_vcard
   public $middlename;
   public $nickname;
   public $organization;
-  public $notes;
   public $email = array();
 
   public static $eol = "\r\n";
@@ -265,26 +265,25 @@ class rcube_vcard
    */
   public function set($field, $value, $type = 'HOME')
   {
-    $field = strtolower($field);
+    $field   = strtolower($field);
     $type_uc = strtoupper($type);
-    $typemap = array_flip($this->typemap);
 
     switch ($field) {
       case 'name':
       case 'displayname':
-        $this->raw['FN'][0][0] = $value;
+        $this->raw['FN'][0][0] = $this->displayname = $value;
         break;
 
       case 'surname':
-        $this->raw['N'][0][0] = $value;
+        $this->raw['N'][0][0] = $this->surname = $value;
         break;
 
       case 'firstname':
-        $this->raw['N'][0][1] = $value;
+        $this->raw['N'][0][1] = $this->firstname = $value;
         break;
 
       case 'middlename':
-        $this->raw['N'][0][2] = $value;
+        $this->raw['N'][0][2] = $this->middlename = $value;
         break;
 
       case 'prefix':
@@ -296,11 +295,11 @@ class rcube_vcard
         break;
 
       case 'nickname':
-        $this->raw['NICKNAME'][0][0] = $value;
+        $this->raw['NICKNAME'][0][0] = $this->nickname = $value;
         break;
 
       case 'organization':
-        $this->raw['ORG'][0][0] = $value;
+        $this->raw['ORG'][0][0] = $this->organization = $value;
         break;
 
       case 'photo':
@@ -348,8 +347,10 @@ class rcube_vcard
         if (($tag = self::$fieldmap[$field]) && (is_array($value) || strlen($value))) {
           $index = count($this->raw[$tag]);
           $this->raw[$tag][$index] = (array)$value;
-          if ($type)
+          if ($type) {
+            $typemap = array_flip($this->typemap);
             $this->raw[$tag][$index]['type'] = explode(',', ($typemap[$type_uc] ? $typemap[$type_uc] : $type));
+          }
         }
         break;
     }
@@ -784,42 +785,9 @@ class rcube_vcard
    */
   private static function detect_encoding($string)
   {
-    if (substr($string, 0, 4) == "\0\0\xFE\xFF") return 'UTF-32BE';  // Big Endian
-    if (substr($string, 0, 4) == "\xFF\xFE\0\0") return 'UTF-32LE';  // Little Endian
-    if (substr($string, 0, 2) == "\xFE\xFF")     return 'UTF-16BE';  // Big Endian
-    if (substr($string, 0, 2) == "\xFF\xFE")     return 'UTF-16LE';  // Little Endian
-    if (substr($string, 0, 3) == "\xEF\xBB\xBF") return 'UTF-8';
-
-    // heuristics
-    if ($string[0] == "\0" && $string[1] == "\0" && $string[2] == "\0" && $string[3] != "\0") return 'UTF-32BE';
-    if ($string[0] != "\0" && $string[1] == "\0" && $string[2] == "\0" && $string[3] == "\0") return 'UTF-32LE';
-    if ($string[0] == "\0" && $string[1] != "\0" && $string[2] == "\0" && $string[3] != "\0") return 'UTF-16BE';
-    if ($string[0] != "\0" && $string[1] == "\0" && $string[2] != "\0" && $string[3] == "\0") return 'UTF-16LE';
-
-    // use mb_detect_encoding()
-    $encodings = array('UTF-8', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3',
-      'ISO-8859-4', 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
-      'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
-      'WINDOWS-1252', 'WINDOWS-1251', 'BIG5', 'GB2312');
-
-    if (function_exists('mb_detect_encoding') && ($enc = mb_detect_encoding($string, $encodings)))
-      return $enc;
-
-    // No match, check for UTF-8
-    // from http://w3.org/International/questions/qa-forms-utf-8.html
-    if (preg_match('/\A(
-        [\x09\x0A\x0D\x20-\x7E]
-        | [\xC2-\xDF][\x80-\xBF]
-        | \xE0[\xA0-\xBF][\x80-\xBF]
-        | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}
-        | \xED[\x80-\x9F][\x80-\xBF]
-        | \xF0[\x90-\xBF][\x80-\xBF]{2}
-        | [\xF1-\xF3][\x80-\xBF]{3}
-        | \xF4[\x80-\x8F][\x80-\xBF]{2}
-        )*\z/xs', substr($string, 0, 2048)))
-      return 'UTF-8';
-
-    return rcube::get_instance()->config->get('default_charset', 'ISO-8859-1'); # fallback to Latin-1
+    $fallback = rcube::get_instance()->config->get('default_charset', 'ISO-8859-1'); // fallback to Latin-1
+
+    return rcube_charset::detect($string, $fallback);
   }
 
 }
diff --git a/program/js/app.js b/program/js/app.js
index 0f5a60c6f..9b33c4e21 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -21,7 +21,6 @@
 
 function rcube_webmail()
 {
-  this.env = { recipients_separator:',', recipients_delimiter:', ' };
   this.labels = {};
   this.buttons = {};
   this.buttons_sel = {};
@@ -33,22 +32,24 @@ function rcube_webmail()
   this.messages = {};
   this.group2expand = {};
 
-  // create protected reference to myself
-  this.ref = 'rcmail';
-  var ref = this;
-
   // webmail client settings
   this.dblclick_time = 500;
   this.message_time = 4000;
-
   this.identifier_expr = new RegExp('[^0-9a-z\-_]', 'gi');
 
-  // default environment vars
-  this.env.keep_alive = 60;        // seconds
-  this.env.request_timeout = 180;  // seconds
-  this.env.draft_autosave = 0;     // seconds
-  this.env.comm_path = './';
-  this.env.blankpage = 'program/resources/blank.gif';
+  // environment defaults
+  this.env = {
+    request_timeout: 180,  // seconds
+    draft_autosave: 0,     // seconds
+    comm_path: './',
+    blankpage: 'program/resources/blank.gif',
+    recipients_separator: ',',
+    recipients_delimiter: ', '
+  };
+
+  // create protected reference to myself
+  this.ref = 'rcmail';
+  var ref = this;
 
   // set jQuery ajax options
   $.ajaxSetup({
@@ -58,6 +59,7 @@ function rcube_webmail()
     beforeSend: function(xmlhttp){ xmlhttp.setRequestHeader('X-Roundcube-Request', ref.env.request_token); }
   });
 
+  // unload fix
   $(window).bind('beforeunload', function() { rcmail.unload = true; });
 
   // set environment variable(s)
@@ -82,14 +84,15 @@ function rcube_webmail()
   // add a button to the button list
   this.register_button = function(command, id, type, act, sel, over)
   {
-    if (!this.buttons[command])
-      this.buttons[command] = [];
-
     var button_prop = {id:id, type:type};
+
     if (act) button_prop.act = act;
     if (sel) button_prop.sel = sel;
     if (over) button_prop.over = over;
 
+    if (!this.buttons[command])
+      this.buttons[command] = [];
+
     this.buttons[command].push(button_prop);
 
     if (this.loaded)
@@ -188,7 +191,6 @@ function rcube_webmail()
         this.enable_command('list', 'checkmail', 'add-contact', 'search', 'reset-search', 'collapse-folder', true);
 
         if (this.gui_objects.messagelist) {
-
           this.message_list = new rcube_list_widget(this.gui_objects.messagelist, {
             multiselect:true, multiexpand:true, draggable:true, keyboard:true,
             column_movable:this.env.col_movable, dblclick_time:this.dblclick_time
@@ -215,9 +217,8 @@ function rcube_webmail()
         }
 
         if (this.gui_objects.qsearchbox) {
-          if (this.env.search_text != null) {
+          if (this.env.search_text != null)
             this.gui_objects.qsearchbox.value = this.env.search_text;
-          }
           $(this.gui_objects.qsearchbox).focusin(function() { rcmail.message_list.blur(); });
         }
 
@@ -323,7 +324,6 @@ function rcube_webmail()
         this.enable_command('list', 'listgroup', 'listsearch', 'advanced-search', true);
 
         if (this.gui_objects.contactslist) {
-
           this.contact_list = new rcube_list_widget(this.gui_objects.contactslist,
             {multiselect:true, draggable:this.gui_objects.folderlist?true:false, keyboard:true});
           this.contact_list.row_init = function(row){ p.triggerEvent('insertrow', { cid:row.uid, row:row }); };
@@ -339,9 +339,8 @@ function rcube_webmail()
 
           this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return p.click_on_list(e); };
           document.onmouseup = function(e){ return p.doc_mouse_up(e); };
-          if (this.gui_objects.qsearchbox) {
+          if (this.gui_objects.qsearchbox)
             $(this.gui_objects.qsearchbox).focusin(function() { rcmail.contact_list.blur(); });
-          }
 
           this.update_group_commands();
           this.command('list');
@@ -365,9 +364,8 @@ function rcube_webmail()
               this.init_contact_form();
         }
 
-        if (this.gui_objects.qsearchbox) {
+        if (this.gui_objects.qsearchbox)
           this.enable_command('search', 'reset-search', 'moveto', true);
-        }
 
         break;
 
@@ -482,7 +480,8 @@ function rcube_webmail()
         this.onloads[i]();
       }
 
-    // start keep-alive interval
+    // start keep-alive and refresh intervals
+    this.start_refresh();
     this.start_keepalive();
   };
 
@@ -507,6 +506,11 @@ function rcube_webmail()
     if (this.busy)
       return false;
 
+    // let the browser handle this click (shift/ctrl usually opens the link in a new window/tab)
+    if ((obj && obj.href && String(obj.href).indexOf(location.href) < 0) && rcube_event.get_modifier(event)) {
+      return true;
+    }
+
     // command not supported or allowed
     if (!this.commands[command]) {
       // pass command to parent window
@@ -562,7 +566,7 @@ function rcube_webmail()
         break;
 
       case 'about':
-        location.href = '?_task=settings&_action=about';
+        this.redirect('?_task=settings&_action=about', false);
         break;
 
       case 'permaurl':
@@ -592,7 +596,7 @@ function rcube_webmail()
 
       case 'open':
         if (uid = this.get_single_uid()) {
-          obj.href = '?_task='+this.env.task+'&_action=show&_mbox='+urlencode(this.env.mailbox)+'&_uid='+uid;
+          obj.href = this.url('show', {_mbox: this.env.mailbox, _uid: uid});
           return true;
         }
         break;
@@ -605,9 +609,8 @@ function rcube_webmail()
       case 'list':
         if (props && props != '')
           this.reset_qsearch();
-        if (this.env.action == 'compose' && this.env.extwin) {
+        if (this.env.action == 'compose' && this.env.extwin)
           window.close();
-        }
         else if (this.task == 'mail') {
           this.list_mailbox(props);
           this.set_button_titles();
@@ -775,9 +778,8 @@ function rcube_webmail()
           uid = props._row.uid;
 
           // toggle read/unread
-          if (this.message_list.rows[uid].deleted) {
+          if (this.message_list.rows[uid].deleted)
             flag = 'undelete';
-          }
           else if (!this.message_list.rows[uid].unread)
             flag = 'unread';
         }
@@ -796,7 +798,7 @@ function rcube_webmail()
           // toggle flagged/unflagged
           if (this.message_list.rows[uid].flagged)
             flag = 'unflagged';
-          }
+        }
         this.mark_message(flag, uid);
         break;
 
@@ -872,7 +874,7 @@ function rcube_webmail()
 
       case 'previousmessage':
         if (this.env.prev_uid)
-          this.show_message(this.env.prev_uid, false, this.env.action=='preview');
+          this.show_message(this.env.prev_uid, false, this.env.action == 'preview');
         break;
 
       case 'firstmessage':
@@ -880,10 +882,6 @@ function rcube_webmail()
           this.show_message(this.env.first_uid);
         break;
 
-      case 'checkmail':
-        this.check_for_recent(true);
-        break;
-
       case 'compose':
         url = {};
 
@@ -952,9 +950,6 @@ function rcube_webmail()
           break;
         }
 
-        // re-set keep-alive timeout
-        this.start_keepalive();
-
         this.submit_messageform(true);
         break;
 
@@ -2064,6 +2059,15 @@ function rcube_webmail()
     }
   };
 
+  // sends request to check for recent messages
+  this.checkmail = function()
+  {
+    var lock = this.set_busy(true, 'checkingmail'),
+      params = this.check_recent_params();
+
+    this.http_request('check-recent', params, lock);
+  };
+
   // list messages of a specific mailbox using filter
   this.filter_mailbox = function(filter)
   {
@@ -6081,6 +6085,9 @@ function rcube_webmail()
       $('<a>').attr('href', url).appendTo(document.body).get(0).click();
     else
       target.location.href = url;
+
+    // reset keep-alive interval
+    this.start_keepalive();
   };
 
   // send a http request to the server
@@ -6109,6 +6116,9 @@ function rcube_webmail()
       success: function(data){ ref.http_response(data); },
       error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
     });
+
+    // reset keep-alive interval
+    this.start_keepalive();
   };
 
   // send a http POST request to the server
@@ -6126,7 +6136,7 @@ function rcube_webmail()
     // trigger plugin hook
     var result = this.triggerEvent('request'+action, postdata);
     if (result !== undefined) {
-      // abort if one the handlers returned false
+      // abort if one of the handlers returned false
       if (result === false)
         return false;
       else
@@ -6141,6 +6151,9 @@ function rcube_webmail()
       success: function(data){ ref.http_response(data); },
       error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
     });
+
+    // reset keep-alive interval
+    this.start_keepalive();
   };
 
   // aborts ajax request
@@ -6235,6 +6248,7 @@ function rcube_webmail()
         }
         break;
 
+      case 'refresh':
       case 'check-recent':
       case 'getunread':
       case 'search':
@@ -6268,6 +6282,9 @@ function rcube_webmail()
 
     this.triggerEvent('responseafter', {response: response});
     this.triggerEvent('responseafter'+response.action, {response: response});
+
+    // reset keep-alive interval
+    this.start_keepalive();
   };
 
   // handle HTTP request errors
@@ -6289,11 +6306,14 @@ function rcube_webmail()
     else if (request.status == 0 && status != 'abort')
       this.display_message(this.get_label('servererror') + ' (No connection)', 'error');
 
+    // redirect to url specified in location header if not empty
+    var location_url = request.getResponseHeader("Location");
+    if (location_url)
+      this.redirect(location_url);
+
     // re-send keep-alive requests after 30 seconds
     if (action == 'keep-alive')
       setTimeout(function(){ ref.keep_alive(); ref.start_keepalive(); }, 30000);
-    else if (action == 'check-recent')
-      setTimeout(function(){ ref.check_for_recent(false); ref.start_keepalive(); }, 30000);
   };
 
   // post the given form to a hidden iframe
@@ -6463,20 +6483,28 @@ function rcube_webmail()
     }
   };
 
-
-  // starts interval for keep-alive/check-recent signal
+  // starts interval for keep-alive signal
   this.start_keepalive = function()
   {
-    if (!this.env.keep_alive || this.env.framed)
+    if (!this.env.session_lifetime || this.env.framed || this.env.extwin || this.task == 'login' || this.env.action == 'print')
       return;
 
-    if (this._int)
-      clearInterval(this._int);
+    if (this._keepalive)
+      clearInterval(this._keepalive);
 
-    if (this.task == 'mail' && this.gui_objects.mailboxlist)
-      this._int = setInterval(function(){ ref.check_for_recent(false); }, this.env.keep_alive * 1000);
-    else if (this.task != 'login' && this.env.action != 'print')
-      this._int = setInterval(function(){ ref.keep_alive(); }, this.env.keep_alive * 1000);
+    this._keepalive = setInterval(function(){ ref.keep_alive(); }, this.env.session_lifetime * 0.5 * 1000);
+  };
+
+  // starts interval for refresh signal
+  this.start_refresh = function()
+  {
+    if (!this.env.refresh_interval || this.env.framed || this.env.extwin || this.task == 'login' || this.env.action == 'print')
+      return;
+
+    if (this._refresh)
+      clearInterval(this._refresh);
+
+    this._refresh = setInterval(function(){ ref.refresh(); }, this.env.refresh_interval * 1000);
   };
 
   // sends keep-alive signal
@@ -6486,29 +6514,39 @@ function rcube_webmail()
       this.http_request('keep-alive');
   };
 
-  // sends request to check for recent messages
-  this.check_for_recent = function(refresh)
+  // sends refresh signal
+  this.refresh = function()
   {
-    if (this.busy)
+    if (this.busy) {
+      // try again after 10 seconds
+      setTimeout(function(){ ref.refresh(); ref.start_refresh(); }, 10000);
       return;
+    }
 
-    var lock, url = {_mbox: this.env.mailbox};
+    var params = {}, lock = this.set_busy(true, 'refreshing');
 
-    if (refresh) {
-      lock = this.set_busy(true, 'checkingmail');
-      url._refresh = 1;
-      // reset check-recent interval
-      this.start_keepalive();
-    }
+    if (this.task == 'mail' && this.gui_objects.mailboxlist)
+      params = this.check_recent_params();
 
+    // plugins should bind to 'requestrefresh' event to add own params
+    this.http_request('refresh', params, lock);
+  };
+
+  // returns check-recent request parameters
+  this.check_recent_params = function()
+  {
+    var params = {_mbox: this.env.mailbox};
+
+    if (this.gui_objects.mailboxlist)
+      params._folderlist = 1;
     if (this.gui_objects.messagelist)
-      url._list = 1;
+      params._list = 1;
     if (this.gui_objects.quotadisplay)
-      url._quota = 1;
+      params._quota = 1;
     if (this.env.search_request)
-      url._search = this.env.search_request;
+      params._search = this.env.search_request;
 
-    this.http_request('check-recent', url, lock);
+    return params;
   };
 
 
@@ -6534,7 +6572,8 @@ function rcube_webmail()
   {
     if (obj.selectionEnd !== undefined)
       return obj.selectionEnd;
-    else if (document.selection && document.selection.createRange) {
+
+    if (document.selection && document.selection.createRange) {
       var range = document.selection.createRange();
       if (range.parentElement() != obj)
         return 0;
@@ -6548,10 +6587,10 @@ function rcube_webmail()
       gm.setEndPoint('EndToStart', range);
       var p = gm.text.length;
 
-      return p<=obj.value.length ? p : -1;
+      return p <= obj.value.length ? p : -1;
     }
-    else
-      return obj.value.length;
+
+    return obj.value.length;
   };
 
   // moves cursor to specified position
diff --git a/program/js/jquery.min.js b/program/js/jquery.min.js
index f65cf1dc4..83589daa7 100644
--- a/program/js/jquery.min.js
+++ b/program/js/jquery.min.js
@@ -1,2 +1,2 @@
-/*! jQuery v1.8.2 jquery.com | jquery.org/license */

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d,e,f,g,h,i,j,l,m,n,o=(p._data(this,"events")||{})[c.type]||[],q=o.delegateCount,r=k.call(arguments),s=!c.exclusive&&!c.namespace,t=p.event.special[c.type]||{},u=[];r[0]=c,c.delegateTarget=this;if(t.preDispatch&&t.preDispatch.call(this,c)===!1)return;if(q&&(!c.button||c.type!=="click"))for(f=c.target;f!=this;f=f.parentNode||this)if(f.disabled!==!0||c.type!=="click"){h={},j=[];for(d=0;d<q;d++)l=o[d],m=l.selector,h[m]===b&&(h[m]=l.needsContext?p(m,this).index(f)>=0:p.find(m,this,null,[f]).length),h[m]&&j.push(l);j.length&&u.push({elem:f,matches:j})}o.length>q&&u.push({elem:this,matches:o.slice(q)});for(d=0;d<u.length&&!c.isPropagationStopped();d++){i=u[d],c.currentTarget=i.elem;for(e=0;e<i.matches.length&&!c.isImmediatePropagationStopped();e++){l=i.matches[e];if(s||!c.namespace&&!l.namespace||c.namespace_re&&c.namespace_re.test(l.namespace))c.data=l.data,c.handleObj=l,g=((p.event.special[l.origType]||{}).handle||l.handler).apply(i.elem,r),g!==b&&(c.result=g,g===!1&&(c.preventDefault(),c.stopPropagation()))}}return 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diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index d5cdb82f8..0d4ffdb4b 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -102,7 +102,7 @@ class washtml
     'cellpadding', 'valign', 'bgcolor', 'color', 'border', 'bordercolorlight',
     'bordercolordark', 'face', 'marginwidth', 'marginheight', 'axis', 'border',
     'abbr', 'char', 'charoff', 'clear', 'compact', 'coords', 'vspace', 'hspace',
-    'cellborder', 'size', 'lang', 'dir', 'usemap', 'shape',
+    'cellborder', 'size', 'lang', 'dir', 'usemap', 'shape', 'media',
     // attributes of form elements
     'type', 'rows', 'cols', 'disabled', 'readonly', 'checked', 'multiple', 'value'
   );
diff --git a/program/localization/en_US/csv2vcard.inc b/program/localization/en_US/csv2vcard.inc
new file mode 100644
index 000000000..caf192aea
--- /dev/null
+++ b/program/localization/en_US/csv2vcard.inc
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | language/en_US/csv2vcard.inc                                          |
+ |                                                                       |
+ | Language file of the Roundcube Webmail client                         |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+// This is a list of CSV column names specified in CSV file header
+// These must be original texts used in Outlook/Thunderbird exported csv files
+// Encoding UTF-8
+
+$map = array();
+
+// MS Outlook 2010
+$map['anniversary'] = "Anniversary";
+$map['assistants_name'] = "Assistant's Name";
+$map['assistants_phone'] = "Assistant's Phone";
+$map['birthday'] = "Birthday";
+$map['business_city'] = "Business City";
+$map['business_countryregion'] = "Business Country/Region";
+$map['business_fax'] = "Business Fax";
+$map['business_phone'] = "Business Phone";
+$map['business_phone_2'] = "Business Phone 2";
+$map['business_postal_code'] = "Business Postal Code";
+$map['business_state'] = "Business State";
+$map['business_street'] = "Business Street";
+$map['car_phone'] = "Car Phone";
+$map['categories'] = "Categories";
+$map['company'] = "Company";
+$map['department'] = "Department";
+$map['email_address'] = "E-mail Address";
+$map['first_name'] = "First Name";
+$map['gender'] = "Gender";
+$map['home_city'] = "Home City";
+$map['home_countryregion'] = "Home Country/Region";
+$map['home_fax'] = "Home Fax";
+$map['home_phone'] = "Home Phone";
+$map['home_phone_2'] = "Home Phone 2";
+$map['home_postal_code'] = "Home Postal Code";
+$map['home_state'] = "Home State";
+$map['home_street'] = "Home Street";
+$map['job_title'] = "Job Title";
+$map['last_name'] = "Last Name";
+$map['managers_name'] = "Manager's Name";
+$map['middle_name'] = "Middle Name";
+$map['mobile_phone'] = "Mobile Phone";
+$map['notes'] = "Notes";
+$map['other_city'] = "Other City";
+$map['other_countryregion'] = "Other Country/Region";
+$map['other_fax'] = "Other Fax";
+$map['other_phone'] = "Other Phone";
+$map['other_postal_code'] = "Other Postal Code";
+$map['other_state'] = "Other State";
+$map['other_street'] = "Other Street";
+$map['pager'] = "Pager";
+$map['primary_phone'] = "Primary Phone";
+$map['spouse'] = "Spouse";
+$map['suffix'] = "Suffix";
+$map['title'] = "Title";
+$map['web_page'] = "Web Page";
+
+// Thunderbird
+$map['birth_day'] = "Birth Day";
+$map['birth_month'] = "Birth Month";
+$map['birth_year'] = "Birth Year";
+$map['display_name'] = "Display Name";
+$map['fax_number'] = "Fax Number";
+$map['home_address'] = "Home Address";
+$map['home_country'] = "Home Country";
+$map['home_zipcode'] = "Home ZipCode";
+$map['mobile_number'] = "Mobile Number";
+$map['nickname'] = "Nickname";
+$map['organization'] = "Organization";
+$map['pager_number'] = "Pager Namber";
+$map['primary_email'] = "Primary Email";
+$map['secondary_email'] = "Secondary Email";
+$map['web_page_1'] = "Web Page 1";
+$map['web_page_2'] = "Web Page 2";
+$map['work_phone'] = "Work Phone";
+$map['work_address'] = "Work Address";
+$map['work_country'] = "Work Country";
+$map['work_zipcode'] = "Work ZipCode";
diff --git a/program/localization/en_US/labels.inc b/program/localization/en_US/labels.inc
index 2b1397f02..4dbe9f9a1 100644
--- a/program/localization/en_US/labels.inc
+++ b/program/localization/en_US/labels.inc
@@ -354,7 +354,7 @@ $labels['importcontacts'] = 'Import contacts';
 $labels['importfromfile'] = 'Import from file:';
 $labels['importtarget'] = 'Add new contacts to address book:';
 $labels['importreplace'] = 'Replace the entire address book';
-$labels['importtext'] = 'You can upload contacts from an existing address book.<br/>We currently support importing addresses from the <a href="http://en.wikipedia.org/wiki/VCard">vCard</a> data format.';
+$labels['importdesc'] = 'You can upload contacts from an existing address book.<br/>We currently support importing addresses from the <a href="http://en.wikipedia.org/wiki/VCard">vCard</a> or CSV (comma-separated) data format.';
 $labels['done'] = 'Done';
 
 // settings
@@ -414,7 +414,7 @@ $labels['always'] = 'always';
 $labels['showinlineimages'] = 'Display attached images below the message';
 $labels['autosavedraft']  = 'Automatically save draft';
 $labels['everynminutes']  = 'every $n minute(s)';
-$labels['keepalive']  = 'Check for new messages on';
+$labels['refreshinterval']  = 'Refresh (check for new messages, etc.)';
 $labels['never']  = 'never';
 $labels['immediately']  = 'immediately';
 $labels['messagesdisplaying'] = 'Displaying Messages';
diff --git a/program/localization/en_US/messages.inc b/program/localization/en_US/messages.inc
index cabc9998b..a00eff8a4 100644
--- a/program/localization/en_US/messages.inc
+++ b/program/localization/en_US/messages.inc
@@ -1,12 +1,11 @@
 <?php
 
 /*
-
  +-----------------------------------------------------------------------+
  | language/en_US/messages.inc                                           |
  |                                                                       |
  | Language file of the Roundcube Webmail client                         |
- | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -15,9 +14,6 @@
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
-
- @version $Id$
-
 */
 
 $messages = array();
@@ -37,6 +33,7 @@ $messages['invalidhost'] = 'Invalid server name.';
 $messages['nomessagesfound'] = 'No messages found in this mailbox.';
 $messages['loggedout'] = 'You have successfully terminated the session. Good bye!';
 $messages['mailboxempty'] = 'Mailbox is empty.';
+$messages['refreshing'] = 'Refreshing...';
 $messages['loading'] = 'Loading...';
 $messages['uploading'] = 'Uploading file...';
 $messages['uploadingmany'] = 'Uploading files...';
@@ -124,7 +121,7 @@ $messages['contactaddedtogroup'] = 'Successfully added the contacts to this grou
 $messages['contactremovedfromgroup'] = 'Successfully removed contacts from this group.';
 $messages['nogroupassignmentschanged'] = 'No group assignments changed.';
 $messages['importwait'] = 'Importing, please wait...';
-$messages['importerror'] = 'Import failed! The uploaded file is not a valid vCard file.';
+$messages['importformaterror'] = 'Import failed! The uploaded file is not a valid import data file.';
 $messages['importconfirm'] = '<b>Successfully imported $inserted contacts</b>';
 $messages['importconfirmskipped'] = '<b>Skipped $skipped existing entries</b>';
 $messages['opnotpermitted'] = 'Operation not permitted!';
diff --git a/program/localization/pl_PL/csv2vcard.inc b/program/localization/pl_PL/csv2vcard.inc
new file mode 100644
index 000000000..ceb995517
--- /dev/null
+++ b/program/localization/pl_PL/csv2vcard.inc
@@ -0,0 +1,62 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | language/pl_PL/csv2vcard.inc                                          |
+ |                                                                       |
+ | Language file of the Roundcube Webmail client                         |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+// This is a list of CSV column names specified in CSV file header
+// These must be original texts used in Outlook/Thunderbird exported csv files
+// Encoding UTF-8
+
+$map = array();
+
+// MS Outlook 2010
+$map['anniversary'] = "Rocznica";
+$map['assistants_name'] = "Asystent";
+$map['assistants_phone'] = "Telefon asystenta";
+$map['birthday'] = "Urodziny";
+$map['business_city'] = "Miasto (biuro)";
+$map['business_countryregion'] = "Kraj/region (biuro)";
+$map['business_fax'] = "Faks służbowy";
+$map['business_phone'] = "Telefon służbowy";
+$map['business_phone_2'] = "Telefon służbowy 2";
+$map['business_postal_code'] = "Kod pocztowy (biuro)";
+$map['business_state'] = "Województwo (biuro)";
+$map['business_street'] = "Ulica (biuro)";
+$map['categories'] = "Kategorie";
+$map['company'] = "Firma";
+$map['department'] = "Oddział";
+$map['email_address'] = "Adres e-mail";
+$map['first_name'] = "Imię";
+$map['gender'] = "Płeć";
+$map['home_city'] = "Miasto (dom)";
+$map['home_countryregion'] = "Kraj/region (dom)";
+$map['home_fax'] = "Faks domowy";
+$map['home_phone'] = "Telefon domowy";
+$map['home_phone_2'] = "Home Phone 2";
+$map['home_postal_code'] = "Kod pocztowy (dom)";
+$map['home_state'] = "Województwo (dom)";
+$map['home_street'] = "Ulica (dom)";
+$map['job_title'] = "Stanowisko";
+$map['last_name'] = "Nazwisko";
+$map['managers_name'] = "Menadżer";
+$map['middle_name'] = "Drugie imię";
+$map['mobile_phone'] = "Telefon komórkowy";
+$map['notes'] = "Notatki";
+$map['pager'] = "Pager";
+$map['primary_phone'] = "Telefon główny";
+$map['title'] = "Tytuł";
+$map['web_page'] = "Osobista strona sieci Web";
+$map['nickname'] = "Przydomek";
diff --git a/program/steps/addressbook/import.inc b/program/steps/addressbook/import.inc
index fb2251f18..6d60f829c 100644
--- a/program/steps/addressbook/import.inc
+++ b/program/steps/addressbook/import.inc
@@ -64,7 +64,7 @@ function rcmail_import_form($attrib)
   $OUTPUT->add_label('selectimportfile','importwait');
   $OUTPUT->add_gui_object('importform', $attrib['id']);
 
-  $out = html::p(null, Q(rcube_label('importtext'), 'show'));
+  $out = html::p(null, Q(rcube_label('importdesc'), 'show'));
 
   $out .= $OUTPUT->form_tag(array(
       'action' => $RCMAIL->url('import'),
@@ -159,11 +159,22 @@ if (is_array($_FILES['_file'])) {
                 $upload_error = $err;
             }
             else {
+                $file_content = file_get_contents($filepath);
+
                 // let rcube_vcard do the hard work :-)
                 $vcard_o = new rcube_vcard();
                 $vcard_o->extend_fieldmap($CONTACTS->vcard_map);
+                $v_list = $vcard_o->import($file_content);
+
+                if (!empty($v_list)) {
+                    $vcards = array_merge($vcards, $v_list);
+                    continue;
+                }
 
-                $v_list = $vcard_o->import(file_get_contents($filepath));
+                // no vCards found, try CSV
+                $csv = new rcube_csv2vcard($_SESSION['language']);
+                $csv->import($file_content);
+                $v_list = $csv->export();
 
                 if (!empty($v_list)) {
                     $vcards = array_merge($vcards, $v_list);
@@ -181,7 +192,7 @@ if (is_array($_FILES['_file'])) {
             $OUTPUT->show_message('fileuploaderror', 'error');
         }
         else {
-            $OUTPUT->show_message('importerror', 'error');
+            $OUTPUT->show_message('importformaterror', 'error');
         }
     }
     else {
diff --git a/program/steps/mail/check_recent.inc b/program/steps/mail/check_recent.inc
index 1a1b08c60..90d17c15b 100644
--- a/program/steps/mail/check_recent.inc
+++ b/program/steps/mail/check_recent.inc
@@ -19,8 +19,14 @@
  +-----------------------------------------------------------------------+
 */
 
+// If there's no folder or messages list, there's nothing to update
+// This can happen on 'refresh' request
+if (empty($_REQUEST['_folderlist']) && empty($_REQUEST['_list'])) {
+    return;
+}
+
 $current = $RCMAIL->storage->get_folder();
-$check_all = !empty($_GET['_refresh']) || (bool)$RCMAIL->config->get('check_all_folders');
+$check_all = $RCMAIL->action != 'refresh' || (bool)$RCMAIL->config->get('check_all_folders');
 
 // list of folders to check
 if ($check_all) {
@@ -102,6 +108,4 @@ foreach ($a_mailboxes as $mbox_name) {
     }
 }
 
-$RCMAIL->plugins->exec_hook('keep_alive', array());
-
 $OUTPUT->send();
diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index 87a06e10d..ffc1c7518 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -611,13 +611,13 @@ function rcmail_compose_editor_mode()
     $useHtml = !empty($_POST['_is_html']);
   }
   else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
-    $useHtml = $MESSAGE->has_html_part(false);
+    $useHtml = $MESSAGE->has_html_part(false, true);
   }
   else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
-    $useHtml = ($html_editor == 1 || ($html_editor >= 2 && $MESSAGE->has_html_part(false)));
+    $useHtml = ($html_editor == 1 || ($html_editor >= 2 && $MESSAGE->has_html_part(false, true)));
   }
   else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
-    $useHtml = ($html_editor == 1 || ($html_editor == 3 && $MESSAGE->has_html_part(false)));
+    $useHtml = ($html_editor == 1 || ($html_editor == 3 && $MESSAGE->has_html_part(false, true)));
   }
   else {
     $useHtml = ($html_editor == 1);
@@ -730,6 +730,10 @@ function rcmail_compose_part_body($part, $isHtml = false)
     if ($isHtml) {
         if ($part->ctype_secondary == 'html') {
         }
+        else if ($part->ctype_secondary == 'enriched') {
+            require_once(INSTALL_PATH . 'program/lib/enriched.inc');
+            $body = enriched_to_html($body);
+        }
         else {
             // try to remove the signature
             if ($RCMAIL->config->get('strip_existing_sig', true)) {
@@ -743,6 +747,12 @@ function rcmail_compose_part_body($part, $isHtml = false)
         }
     }
     else {
+        if ($part->ctype_secondary == 'enriched') {
+            require_once(INSTALL_PATH . 'program/lib/enriched.inc');
+            $body = enriched_to_html($body);
+            $part->ctype_secondary = 'html';
+        }
+
         if ($part->ctype_secondary == 'html') {
             // use html part if it has been used for message (pre)viewing
             // decrease line length for quoting
@@ -750,6 +760,10 @@ function rcmail_compose_part_body($part, $isHtml = false)
             $txt = new html2text($body, false, true, $len);
             $body = $txt->get_text();
         }
+        else if ($part->ctype_secondary == 'enriched') {
+            require_once(INSTALL_PATH . 'program/lib/enriched.inc');
+            $body = enriched_to_html($body);
+        }
         else {
             if ($part->ctype_secondary == 'plain' && $part->ctype_parameters['format'] == 'flowed') {
                 $body = rcube_mime::unfold_flowed($body);
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 5e24a4311..df83b03a8 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -751,9 +751,10 @@ function rcmail_print_body($part, $p = array())
   }
   // text/enriched
   else if ($data['type'] == 'enriched') {
-    $part->ctype_secondary = 'html';
     require_once(INSTALL_PATH . 'program/lib/enriched.inc');
-    $body = Q(enriched_to_html($data['body']), 'show');
+    $body = enriched_to_html($data['body']);
+    $body = rcmail_wash_html($body, $data, $part->replaces);
+    $part->ctype_secondary = 'html';
   }
   else {
     // assert plaintext
@@ -1845,6 +1846,7 @@ $OUTPUT->add_handlers(array(
 
 // register action aliases
 $RCMAIL->register_action_map(array(
+    'refresh' => 'check_recent.inc',
     'preview' => 'show.inc',
     'print'   => 'show.inc',
     'moveto'  => 'move_del.inc',
diff --git a/program/steps/settings/func.inc b/program/steps/settings/func.inc
index 8bef2ff51..876e02761 100644
--- a/program/steps/settings/func.inc
+++ b/program/steps/settings/func.inc
@@ -237,6 +237,24 @@ function rcmail_user_prefs($current=null)
       );
     }
 
+    if (!isset($no_override['refresh_interval'])) {
+      $field_id = 'rcmfd_refresh_interval';
+      $select_refresh_interval = new html_select(array('name' => '_refresh_interval', 'id' => $field_id));
+
+      $select_refresh_interval->add(rcube_label('never'), 0);
+      foreach (array(1, 3, 5, 10, 15, 30, 60) as $min) {
+        if (!$config['min_refresh_interval'] || $config['min_refresh_interval'] <= $min * 60) {
+          $label = rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
+          $select_refresh_interval->add($label, $min);
+        }
+      }
+
+      $blocks['main']['options']['refresh_interval'] = array(
+        'title' => html::label($field_id, Q(rcube_label('refreshinterval'))),
+        'content' => $select_refresh_interval->show($config['refresh_interval']/60),
+      );
+    }
+
     // show drop-down for available skins
     if (!isset($no_override['skin'])) {
       $skins = rcmail_get_skins();
@@ -370,23 +388,6 @@ function rcmail_user_prefs($current=null)
         'content' => $input_pagesize->show($size ? $size : 50),
       );
     }
-
-    if (!isset($no_override['keep_alive'])) {
-      $field_id = 'rcmfd_keep_alive';
-      $select_keep_alive = new html_select(array('name' => '_keep_alive', 'id' => $field_id));
-
-      foreach(array(1, 3, 5, 10, 15, 30, 60) as $min)
-        if((!$config['min_keep_alive'] || $config['min_keep_alive'] <= $min * 60)
-            && (!$config['session_lifetime'] || $config['session_lifetime'] > $min)) {
-          $select_keep_alive->add(rcube_label(array('name' => 'everynminutes', 'vars' => array('n' => $min))), $min);
-        }
-
-      $blocks['new_message']['options']['keep_alive'] = array(
-        'title' => html::label($field_id, Q(rcube_label('keepalive'))),
-        'content' => $select_keep_alive->show($config['keep_alive']/60),
-      );
-    }
-
     if (!isset($no_override['check_all_folders'])) {
       $field_id = 'rcmfd_check_all_folders';
       $input_check_all = new html_checkbox(array('name' => '_check_all_folders', 'id' => $field_id, 'value' => 1));
diff --git a/program/steps/settings/save_prefs.inc b/program/steps/settings/save_prefs.inc
index db7b134c4..5daab0d24 100644
--- a/program/steps/settings/save_prefs.inc
+++ b/program/steps/settings/save_prefs.inc
@@ -33,7 +33,8 @@ switch ($CURR_SECTION)
       'date_format'  => isset($_POST['_date_format']) ? get_input_value('_date_format', RCUBE_INPUT_POST) : $CONFIG['date_format'],
       'time_format'  => isset($_POST['_time_format']) ? get_input_value('_time_format', RCUBE_INPUT_POST) : ($CONFIG['time_format'] ? $CONFIG['time_format'] : 'H:i'),
       'prettydate'   => isset($_POST['_pretty_date']) ? TRUE : FALSE,
-      'skin' 	     => isset($_POST['_skin']) ? get_input_value('_skin', RCUBE_INPUT_POST) : $CONFIG['skin'],
+      'refresh_interval' => isset($_POST['_refresh_interval']) ? intval($_POST['_refresh_interval'])*60 : $CONFIG['refresh_interval'],
+      'skin'         => isset($_POST['_skin']) ? get_input_value('_skin', RCUBE_INPUT_POST) : $CONFIG['skin'],
     );
 
     // compose derived date/time format strings
@@ -50,7 +51,6 @@ switch ($CURR_SECTION)
       'preview_pane_mark_read' => isset($_POST['_preview_pane_mark_read']) ? intval($_POST['_preview_pane_mark_read']) : $CONFIG['preview_pane_mark_read'],
       'autoexpand_threads'   => isset($_POST['_autoexpand_threads']) ? intval($_POST['_autoexpand_threads']) : 0,
       'mdn_requests'         => isset($_POST['_mdn_requests']) ? intval($_POST['_mdn_requests']) : 0,
-      'keep_alive'           => isset($_POST['_keep_alive']) ? intval($_POST['_keep_alive'])*60 : $CONFIG['keep_alive'],
       'check_all_folders'    => isset($_POST['_check_all_folders']) ? TRUE : FALSE,
       'mail_pagesize'        => is_numeric($_POST['_mail_pagesize']) ? max(2, intval($_POST['_mail_pagesize'])) : $CONFIG['mail_pagesize'],
     );
@@ -157,16 +157,16 @@ switch ($CURR_SECTION)
 
     $a_user_prefs['timezone'] = (string) $a_user_prefs['timezone'];
 
-  break;
-  case 'mailbox':
-
-    // force keep_alive
-    if (isset($a_user_prefs['keep_alive'])) {
-      $a_user_prefs['keep_alive'] = max(60, $CONFIG['min_keep_alive'], $a_user_prefs['keep_alive']);
-      if (!empty($CONFIG['session_lifetime']))
-        $a_user_prefs['keep_alive'] = min($CONFIG['session_lifetime']*60, $a_user_prefs['keep_alive']);
+    if (isset($a_user_prefs['refresh_interval']) && !empty($CONFIG['min_refresh_interval'])) {
+      if ($a_user_prefs['refresh_interval'] > $CONFIG['min_refresh_interval']) {
+        $a_user_prefs['refresh_interval'] = $CONFIG['min_refresh_interval'];
+      }
     }
 
+    break;
+
+  case 'mailbox':
+
     // force min size
     if ($a_user_prefs['mail_pagesize'] < 1)
       $a_user_prefs['mail_pagesize'] = 10;
@@ -174,7 +174,8 @@ switch ($CURR_SECTION)
     if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['mail_pagesize'] > $CONFIG['max_pagesize']))
       $a_user_prefs['mail_pagesize'] = (int) $CONFIG['max_pagesize'];
 
-  break;
+    break;
+
   case 'addressbook':
 
     // force min size
@@ -184,7 +185,8 @@ switch ($CURR_SECTION)
     if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['addressbook_pagesize'] > $CONFIG['max_pagesize']))
       $a_user_prefs['addressbook_pagesize'] = (int) $CONFIG['max_pagesize'];
 
-  break;
+    break;
+
   case 'folders':
 
     // special handling for 'default_folders'
@@ -199,7 +201,7 @@ switch ($CURR_SECTION)
       }
     }
 
-  break;
+    break;
 }
 
 // Save preferences
diff --git a/tests/Framework/Csv2vcard.php b/tests/Framework/Csv2vcard.php
new file mode 100644
index 000000000..6fa3e163c
--- /dev/null
+++ b/tests/Framework/Csv2vcard.php
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * Test class to test rcube_csv2vcard class
+ *
+ * @package Tests
+ */
+class Framework_Csv2vcard extends PHPUnit_Framework_TestCase
+{
+
+    function test_import_generic()
+    {
+        $csv = new rcube_csv2vcard;
+
+        // empty input
+        $csv->import('');
+        $this->assertSame(array(), $csv->export());
+    }
+
+    function test_import_tb_plain()
+    {
+        $csv_text = file_get_contents(TESTS_DIR . '/src/Csv2vcard/tb_plain.csv');
+        $vcf_text = file_get_contents(TESTS_DIR . '/src/Csv2vcard/tb_plain.vcf');
+
+        $csv = new rcube_csv2vcard;
+        $csv->import($csv_text);
+        $result = $csv->export();
+        $vcard = $result[0]->export(false);
+
+        $this->assertCount(1, $result);
+
+        $vcf_text = trim(str_replace("\r\n", "\n", $vcf_text));
+        $vcard    = trim(str_replace("\r\n", "\n", $vcard));
+        $this->assertEquals($vcf_text, $vcard);
+    }
+
+    function test_import_email()
+    {
+        $csv_text = file_get_contents(TESTS_DIR . '/src/Csv2vcard/email.csv');
+        $vcf_text = file_get_contents(TESTS_DIR . '/src/Csv2vcard/email.vcf');
+
+        $csv = new rcube_csv2vcard;
+        $csv->import($csv_text);
+        $result = $csv->export();
+
+        $this->assertCount(4, $result);
+
+        $vcard = '';
+        foreach ($result as $vcf) {
+            $vcard .= $vcf->export(false) . "\n";
+        }
+
+        $vcf_text = trim(str_replace("\r\n", "\n", $vcf_text));
+        $vcard    = trim(str_replace("\r\n", "\n", $vcard));
+        $this->assertEquals($vcf_text, $vcard);
+    }
+}
diff --git a/tests/Framework/Utils.php b/tests/Framework/Utils.php
index e58835956..ec61c5d4b 100644
--- a/tests/Framework/Utils.php
+++ b/tests/Framework/Utils.php
@@ -193,4 +193,17 @@ class Framework_Utils extends PHPUnit_Framework_TestCase
         $mod = rcube_utils::mod_css_styles("background:\\0075\\0072\\006c( javascript:alert(&#039;xss&#039;) )", 'rcmbody');
         $this->assertEquals("/* evil! */", $mod, "Don't allow encoding quirks (2)");
     }
+
+    /**
+     * Check rcube_utils::explode_quoted_string() compat. with explode()
+     */
+    function test_explode_quoted_string_compat()
+    {
+        $data = array('', 'a,b,c', 'a', ',', ',a');
+
+        foreach ($data as $text) {
+            $result = rcube_utils::explode_quoted_string(',', $text);
+            $this->assertSame(explode(',', $text), $result);
+        }
+    }
 }
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index 43c3b767d..2e52b7795 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -8,6 +8,7 @@
             <file>Framework/Cache.php</file>
             <file>Framework/Charset.php</file>
             <file>Framework/ContentFilter.php</file>
+            <file>Framework/Csv2vcard.php</file>
             <file>Framework/Html.php</file>
             <file>Framework/Imap.php</file>
             <file>Framework/ImapGeneric.php</file>
diff --git a/tests/src/Csv2vcard/email.csv b/tests/src/Csv2vcard/email.csv
new file mode 100644
index 000000000..1556d9142
--- /dev/null
+++ b/tests/src/Csv2vcard/email.csv
@@ -0,0 +1,5 @@
+Primary Email
+test1@domain.tld
+test2@domain.tld
+test3@domain.tld
+test4@domain.tld
diff --git a/tests/src/Csv2vcard/email.vcf b/tests/src/Csv2vcard/email.vcf
new file mode 100644
index 000000000..69912a639
--- /dev/null
+++ b/tests/src/Csv2vcard/email.vcf
@@ -0,0 +1,20 @@
+BEGIN:VCARD
+VERSION:3.0
+FN:test1@domain.tld
+EMAIL;TYPE=INTERNET;TYPE=PREF:test1@domain.tld
+END:VCARD
+BEGIN:VCARD
+VERSION:3.0
+FN:test2@domain.tld
+EMAIL;TYPE=INTERNET;TYPE=PREF:test2@domain.tld
+END:VCARD
+BEGIN:VCARD
+VERSION:3.0
+FN:test3@domain.tld
+EMAIL;TYPE=INTERNET;TYPE=PREF:test3@domain.tld
+END:VCARD
+BEGIN:VCARD
+VERSION:3.0
+FN:test4@domain.tld
+EMAIL;TYPE=INTERNET;TYPE=PREF:test4@domain.tld
+END:VCARD
diff --git a/tests/src/Csv2vcard/tb_plain.csv b/tests/src/Csv2vcard/tb_plain.csv
new file mode 100644
index 000000000..94ea766c0
--- /dev/null
+++ b/tests/src/Csv2vcard/tb_plain.csv
@@ -0,0 +1,2 @@
+First Name,Last Name,Display Name,Nickname,Primary Email,Secondary Email,Screen Name,Work Phone,Home Phone,Fax Number,Pager Number,Mobile Number,Home Address,Home Address 2,Home City,Home State,Home ZipCode,Home Country,Work Address,Work Address 2,Work City,Work State,Work ZipCode,Work Country,Job Title,Department,Organization,Web Page 1,Web Page 2,Birth Year,Birth Month,Birth Day,Custom 1,Custom 2,Custom 3,Custom 4,Notes,
+Firstname,Lastname,Displayname,Nick,test@domain.tld,next@domain.tld,,phone work,phone home,fax,pager,mobile,Priv address,,City,region,xx-xxx,USA,Addr work,,city,region,33-333,Poland,title,department,Organization,http://page.com,http://webpage.tld,1970,11,15,,,,,,
diff --git a/tests/src/Csv2vcard/tb_plain.vcf b/tests/src/Csv2vcard/tb_plain.vcf
new file mode 100644
index 000000000..aace259d8
--- /dev/null
+++ b/tests/src/Csv2vcard/tb_plain.vcf
@@ -0,0 +1,18 @@
+BEGIN:VCARD
+VERSION:3.0
+FN:Displayname
+N:Lastname;Firstname;;;
+NICKNAME:Nick
+EMAIL;TYPE=INTERNET;TYPE=PREF:test@domain.tld
+EMAIL;TYPE=INTERNET;TYPE=OTHER:next@domain.tld
+TEL;TYPE=work:phone work
+TEL;TYPE=home:phone home
+TEL;TYPE=fax:fax
+TEL;TYPE=cell:mobile
+TITLE:title
+X-DEPARTMENT:department
+ORG:Organization
+URL;TYPE=homepage:http://page.com
+URL;TYPE=other:http://webpage.tld
+BDAY;VALUE=date:1970-11-15
+END:VCARD