From 107bde9cfd9a0392d18544b5a433552ce6f2f0a6 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 30 Aug 2006 13:41:21 -0400
Subject: [PATCH] Added MSSQL support

---
 program/include/main.inc |  515 ++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 368 insertions(+), 147 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index 628866f..7458fe1 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -24,6 +24,12 @@
 require_once('lib/utf8.class.php');
 
 
+// define constannts for input reading
+define('RCUBE_INPUT_GET', 0x0101);
+define('RCUBE_INPUT_POST', 0x0102);
+define('RCUBE_INPUT_GPC', 0x0103);
+
+
 // register session and connect to server
 function rcmail_startup($task='mail')
   {
@@ -36,7 +42,11 @@
   // load config file
   include_once('config/main.inc.php');
   $CONFIG = is_array($rcmail_config) ? $rcmail_config : array();
-  $CONFIG['skin_path'] = $CONFIG['skin_path'] ? preg_replace('/\/$/', '', $CONFIG['skin_path']) : 'skins/default';
+  
+  // load host-specific configuration
+  rcmail_load_host_config($CONFIG);
+  
+  $CONFIG['skin_path'] = $CONFIG['skin_path'] ? unslashify($CONFIG['skin_path']) : 'skins/default';
 
   // load db conf
   include_once('config/db.inc.php');
@@ -45,7 +55,7 @@
   if (empty($CONFIG['log_dir']))
     $CONFIG['log_dir'] = $INSTALL_PATH.'logs';
   else
-    $CONFIG['log_dir'] = ereg_replace('\/$', '', $CONFIG['log_dir']);
+    $CONFIG['log_dir'] = unslashify($CONFIG['log_dir']);
 
   // set PHP error logging according to config
   if ($CONFIG['debug_level'] & 1)
@@ -57,7 +67,8 @@
     ini_set('display_errors', 1);
   else
     ini_set('display_errors', 0);
-  
+
+
   // set session garbage collecting time according to session_lifetime
   if (!empty($CONFIG['session_lifetime']))
     ini_set('session.gc_maxlifetime', ($CONFIG['session_lifetime']+2)*60);
@@ -66,32 +77,27 @@
   // prepare DB connection
   require_once('include/rcube_'.(empty($CONFIG['db_backend']) ? 'db' : $CONFIG['db_backend']).'.inc');
   
-  $DB = new rcube_db($CONFIG['db_dsnw'], $CONFIG['db_dsnr']);
+  $DB = new rcube_db($CONFIG['db_dsnw'], $CONFIG['db_dsnr'], $CONFIG['db_persistent']);
   $DB->sqlite_initials = $INSTALL_PATH.'SQL/sqlite.initial.sql';
-
+  $DB->db_connect('w');
+    
   // we can use the database for storing session data
-  // session queries do not work with MDB2
-  if ($CONFIG['db_backend']!='mdb2' && is_object($DB))
+  if (!$DB->is_error())
     include_once('include/session.inc');
-
 
   // init session
   session_start();
   $sess_id = session_id();
-  
-    $_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']);
+
   // create session and set session vars
-  if (!$_SESSION['client_id'])
+  if (!isset($_SESSION['auth_time']))
     {
-    $_SESSION['client_id'] = $sess_id;
     $_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']);
     $_SESSION['auth_time'] = mktime();
-    $_SESSION['auth'] = rcmail_auth_hash($sess_id, $_SESSION['auth_time']);
-    unset($GLOBALS['_auth']);
+    setcookie('sessauth', rcmail_auth_hash($sess_id, $_SESSION['auth_time']));
     }
 
   // set session vars global
-  $sess_auth = $_SESSION['auth'];
   $sess_user_lang = rcube_language_prop($_SESSION['user_lang']);
 
 
@@ -107,7 +113,6 @@
   // set current task to session
   $_SESSION['task'] = $task;
 
-
   // create IMAP object
   if ($task=='mail')
     rcmail_imap_init();
@@ -122,7 +127,25 @@
 
   register_shutdown_function('rcmail_shutdown');
   }
+
+
+// load a host-specific config file if configured
+function rcmail_load_host_config(&$config)
+  {
+  $fname = NULL;
   
+  if (is_array($config['include_host_config']))
+    $fname = $config['include_host_config'][$_SERVER['HTTP_HOST']];
+  else if (!empty($config['include_host_config']))
+    $fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
+
+   if ($fname && is_file('config/'.$fname))
+     {
+     include('config/'.$fname);
+     $config = array_merge($config, $rcmail_config);
+     }
+  }
+
 
 // create authorization hash
 function rcmail_auth_hash($sess_id, $ts)
@@ -141,6 +164,22 @@
     return md5($auth_string);
   }
 
+
+// compare the auth hash sent by the client with the local session credentials
+function rcmail_authenticate_session()
+  {
+  $now = mktime();
+  $valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']));
+
+  // renew auth cookie every 5 minutes (only for GET requests)
+  if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now-$_SESSION['auth_time'] > 300))
+    {
+    $_SESSION['auth_time'] = $now;
+    setcookie('sessauth', rcmail_auth_hash(session_id(), $now));
+    }
+    
+  return $valid;
+  }
 
 
 // create IMAP object and connect to server
@@ -166,9 +205,6 @@
   if ($CONFIG['enable_caching']===TRUE)
     $IMAP->set_caching(TRUE);
 
-  if (is_array($CONFIG['default_imap_folders']))
-    $IMAP->set_default_mailboxes($CONFIG['default_imap_folders']);
-
   // set pagesize from config
   if (isset($CONFIG['pagesize']))
     $IMAP->set_pagesize($CONFIG['pagesize']);
@@ -182,12 +218,14 @@
   global $CONFIG, $IMAP;
 
   // set root dir from config
-  if (strlen($CONFIG['imap_root']))
+  if (!empty($CONFIG['imap_root']))
     $IMAP->set_rootdir($CONFIG['imap_root']);
 
-  if (strlen($_SESSION['mbox']))
+  if (is_array($CONFIG['default_imap_folders']))
+    $IMAP->set_default_mailboxes($CONFIG['default_imap_folders']);
+
+  if (!empty($_SESSION['mbox']))
     $IMAP->set_mailbox($_SESSION['mbox']);
-    
   if (isset($_SESSION['page']))
     $IMAP->set_page($_SESSION['page']);
   }
@@ -212,10 +250,19 @@
 // destroy session data and remove cookie
 function rcmail_kill_session()
   {
-/* $sess_name = session_name();
-  if (isset($_COOKIE[$sess_name]))
-   setcookie($sess_name, '', time()-42000, '/');
-*/
+  // save user preferences
+  $a_user_prefs = $_SESSION['user_prefs'];
+  if (!is_array($a_user_prefs))
+    $a_user_prefs = array();
+    
+  if ((isset($_SESSION['sort_col']) && $_SESSION['sort_col']!=$a_user_prefs['message_sort_col']) ||
+      (isset($_SESSION['sort_order']) && $_SESSION['sort_order']!=$a_user_prefs['message_sort_order']))
+    {
+    $a_user_prefs['message_sort_col'] = $_SESSION['sort_col'];
+    $a_user_prefs['message_sort_order'] = $_SESSION['sort_order'];
+    rcmail_save_user_prefs($a_user_prefs);
+    }
+
   $_SESSION = array();
   session_destroy();
   }
@@ -255,11 +302,11 @@
 // check the given string and returns language properties
 function rcube_language_prop($lang, $prop='lang')
   {
-  global $INSTLL_PATH;
+  global $INSTALL_PATH;
   static $rcube_languages, $rcube_language_aliases, $rcube_charsets;
 
   if (empty($rcube_languages))
-    @include($INSTLL_PATH.'program/localization/index.inc');
+    @include($INSTALL_PATH.'program/localization/index.inc');
     
   // check if we have an alias for that language
   if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang]))
@@ -301,12 +348,19 @@
   $javascript = "var $JS_OBJECT_NAME = new rcube_webmail();\n";
   $javascript .= "$JS_OBJECT_NAME.set_env('comm_path', '$COMM_PATH');\n";
 
+  if (isset($CONFIG['javascript_config'] )){
+    foreach ($CONFIG['javascript_config'] as $js_config_var){
+      $javascript .= "$JS_OBJECT_NAME.set_env('$js_config_var', '" . $CONFIG[$js_config_var] . "');\n";
+    }
+  }
+  
   if (!empty($GLOBALS['_framed']))
     $javascript .= "$JS_OBJECT_NAME.set_env('framed', true);\n";
     
   $OUTPUT->add_script($javascript);
-  $OUTPUT->include_script('program/js/common.js');
-  $OUTPUT->include_script('program/js/app.js');
+  $OUTPUT->include_script('common.js');
+  $OUTPUT->include_script('app.js');
+  $OUTPUT->scripts_path = 'program/js/';
 
   // set locale setting
   rcmail_set_locale($sess_user_lang);
@@ -316,45 +370,21 @@
     $OUTPUT->set_charset($CONFIG['charset']);
 
   // add some basic label to client
-  rcube_add_label('loading');
+  rcube_add_label('loading','checkingmail');
   }
 
 
 // set localization charset based on the given language
 function rcmail_set_locale($lang)
   {
-  global $OUTPUT, $MBSTRING, $MBSTRING_ENCODING;
+  global $OUTPUT, $MBSTRING;
   static $s_mbstring_loaded = NULL;
   
   // settings for mbstring module (by Tadashi Jokagi)
-  if ($s_mbstring_loaded===NULL)
-    {
-    if ($s_mbstring_loaded = extension_loaded("mbstring"))
-      {
-      $MBSTRING = TRUE;
-      if (function_exists("mb_mbstring_encodings"))
-        $MBSTRING_ENCODING = mb_mbstring_encodings();
-      else
-        $MBSTRING_ENCODING = array("ISO-8859-1", "UTF-7", "UTF7-IMAP", "UTF-8",
-                                   "ISO-2022-JP", "EUC-JP", "EUCJP-WIN",
-                                   "SJIS", "SJIS-WIN");
-
-       $MBSTRING_ENCODING = array_map("strtoupper", $MBSTRING_ENCODING);
-       if (in_array("SJIS", $MBSTRING_ENCODING))
-         $MBSTRING_ENCODING[] = "SHIFT_JIS";
-       }
-     else
-      {
-      $MBSTRING = FALSE;
-      $MBSTRING_ENCODING = array();
-      }
-    }
-
-  if ($MBSTRING && function_exists("mb_language"))
-    {
-    if (!@mb_language(strtok($lang, "_")))
-      $MBSTRING = FALSE;   //  unsupport language
-    }
+  if (is_null($s_mbstring_loaded))
+    $MBSTRING = $s_mbstring_loaded = extension_loaded("mbstring");
+  else
+    $MBSTRING = $s_mbstring_loaded = FALSE;
 
   $OUTPUT->set_charset(rcube_language_prop($lang, 'charset'));
   }
@@ -377,6 +407,22 @@
     $imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? TRUE : FALSE;
     $imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $CONFIG['default_port']);
     }
+  else
+    $imap_port = $CONFIG['default_port'];
+
+
+  /* Modify username with domain if required  
+     Inspired by Marco <P0L0_notspam_binware.org>
+  */
+  // Check if we need to add domain
+  if (!empty($CONFIG['username_domain']) && !strstr($user, '@'))
+    {
+    if (is_array($CONFIG['username_domain']) && isset($CONFIG['username_domain'][$host]))
+      $user .= '@'.$CONFIG['username_domain'][$host];
+    else if (is_string($CONFIG['username_domain']))
+      $user .= '@'.$CONFIG['username_domain'];
+    }
+
 
   // query if user already registered
   $sql_result = $DB->query("SELECT user_id, username, language, preferences
@@ -420,7 +466,7 @@
       
     // update user's record
     $DB->query("UPDATE ".get_table_name('users')."
-                SET    last_login=now()
+                SET    last_login=".$DB->now()."
                 WHERE  user_id=?",
                 $user_id);
     }
@@ -440,8 +486,10 @@
     $_SESSION['user_lang'] = $sess_user_lang;
     $_SESSION['password']  = encrypt_passwd($pass);
 
-    // force reloading complete list of subscribed mailboxes    
+    // force reloading complete list of subscribed mailboxes
+    rcmail_set_imap_prop();
     $IMAP->clear_cache('mailboxes');
+    $IMAP->create_default_folders();
 
     return TRUE;
     }
@@ -463,7 +511,7 @@
 
   $DB->query("INSERT INTO ".get_table_name('users')."
               (created, last_login, username, mail_host, alias, language)
-              VALUES (now(), now(), ?, ?, ?, ?)",
+              VALUES (".$DB->now().", ".$DB->now().", ?, ?, ?, ?)",
               $user,
               $host,
               $user_email,
@@ -471,12 +519,14 @@
 
   if ($user_id = $DB->insert_id(get_sequence_name('users')))
     {
-    if (is_string($CONFIG['mail_domain']))
+    $mail_domain = $host;
+    if (is_array($CONFIG['mail_domain']))
+      {
+      if (isset($CONFIG['mail_domain'][$host]))
+        $mail_domain = $CONFIG['mail_domain'][$host];
+      }
+    else if (!empty($CONFIG['mail_domain']))
       $mail_domain = $CONFIG['mail_domain'];
-    else if (is_array($CONFIG['mail_domain']) && isset($CONFIG['mail_domain'][$host]))
-      $mail_domain = $CONFIG['mail_domain'][$host];
-    else
-      $mail_domain = $host;
    
     if ($user_email=='')
       $user_email = strstr($user, '@') ? $user : sprintf('%s@%s', $user, $mail_domain);
@@ -502,14 +552,6 @@
                        
     // get existing mailboxes
     $a_mailboxes = $IMAP->list_mailboxes();
-    
-    // check if the configured mailbox for sent messages exists
-    if ($CONFIG['sent_mbox'] && !in_array_nocase($CONFIG['sent_mbox'], $a_mailboxes))
-      $IMAP->create_mailbox($CONFIG['sent_mbox'], TRUE);
-
-    // check if the configured mailbox for sent messages exists
-    if ($CONFIG['trash_mbox'] && !in_array_nocase($CONFIG['trash_mbox'], $a_mailboxes))
-      $IMAP->create_mailbox($CONFIG['trash_mbox'], TRUE);
     }
   else
     {
@@ -602,6 +644,29 @@
   } 
 
 
+function rcmail_save_user_prefs($a_user_prefs)
+  {
+  global $DB, $CONFIG, $sess_user_lang;
+  
+  $DB->query("UPDATE ".get_table_name('users')."
+              SET    preferences=?,
+                     language=?
+              WHERE  user_id=?",
+              serialize($a_user_prefs),
+              $sess_user_lang,
+              $_SESSION['user_id']);
+
+  if ($DB->affected_rows())
+    {
+    $_SESSION['user_prefs'] = $a_user_prefs;  
+    $CONFIG = array_merge($CONFIG, $a_user_prefs);
+    return TRUE;
+    }
+    
+  return FALSE;
+  }
+
+
 // overwrite action variable  
 function rcmail_overwrite_action($action)
   {
@@ -612,51 +677,55 @@
   }
 
 
-function show_message($message, $type='notice')
+function show_message($message, $type='notice', $vars=NULL)
   {
   global $OUTPUT, $JS_OBJECT_NAME, $REMOTE_REQUEST;
-
+  
   $framed = $GLOBALS['_framed'];
   $command = sprintf("display_message('%s', '%s');",
-                     addslashes(rep_specialchars_output(rcube_label($message))),
+                     rep_specialchars_output(rcube_label(array('name' => $message, 'vars' => $vars)), 'js'),
                      $type);
                      
   if ($REMOTE_REQUEST)
     return 'this.'.$command;
   
   else
-    $OUTPUT->add_script(sprintf("%s%s.%s",
+    $OUTPUT->add_script(sprintf("%s%s.%s\n",
                                 $framed ? sprintf('if(parent.%s)parent.', $JS_OBJECT_NAME) : '',
                                 $JS_OBJECT_NAME,
                                 $command));
-  
-  // console(rcube_label($message));
   }
 
 
-function console($msg, $type=1)
-  {
-  if ($GLOBALS['REMOTE_REQUEST'])
-    print "// $msg\n";
-  else
-    {
-    print $msg;
-    print "\n<hr>\n";
-    }
-  }
-
-
+// encrypt IMAP password using DES encryption
 function encrypt_passwd($pass)
   {
-  $cypher = des('rcmail?24BitPwDkeyF**ECB', $pass, 1, 0, NULL);
+  $cypher = des(get_des_key(), $pass, 1, 0, NULL);
   return base64_encode($cypher);
   }
 
 
+// decrypt IMAP password using DES encryption
 function decrypt_passwd($cypher)
   {
-  $pass = des('rcmail?24BitPwDkeyF**ECB', base64_decode($cypher), 0, 0, NULL);
-  return trim($pass);
+  $pass = des(get_des_key(), base64_decode($cypher), 0, 0, NULL);
+  return preg_replace('/\x00/', '', $pass);
+  }
+
+
+// return a 24 byte key for the DES encryption
+function get_des_key()
+  {
+  $key = !empty($GLOBALS['CONFIG']['des_key']) ? $GLOBALS['CONFIG']['des_key'] : 'rcmail?24BitPwDkeyF**ECB';
+  $len = strlen($key);
+  
+  // make sure the key is exactly 24 chars long
+  if ($len<24)
+    $key .= str_repeat('_', 24-$len);
+  else if ($len>24)
+    substr($key, 0, 24);
+  
+  return $key;
   }
 
 
@@ -670,7 +739,7 @@
     {
     $s_header_sent = TRUE;
     send_nocacheing_headers();
-    header('Content-Type: application/x-javascript');
+    header('Content-Type: application/x-javascript; charset='.$CHARSET);
     print '/** remote response ['.date('d/M/Y h:i:s O')."] **/\n";
     }
 
@@ -684,6 +753,19 @@
   }
 
 
+// send correctly formatted response for a request posted to an iframe
+function rcube_iframe_response($js_code='')
+  {
+  global $OUTPUT, $JS_OBJECT_NAME;
+
+  if (!empty($js_code))
+    $OUTPUT->add_script("if(parent.$JS_OBJECT_NAME){\n" . $js_code . "\n}");
+
+  $OUTPUT->write();
+  exit;
+  }
+
+
 // read directory program/localization/ and return a list of available languages
 function rcube_list_languages()
   {
@@ -692,13 +774,13 @@
 
   if (!sizeof($sa_languages))
     {
-    @include($INSTLL_PATH.'program/localization/index.inc');
+    @include($INSTALL_PATH.'program/localization/index.inc');
 
-    if ($dh = @opendir($INSTLL_PATH.'program/localization'))
+    if ($dh = @opendir($INSTALL_PATH.'program/localization'))
       {
       while (($name = readdir($dh)) !== false)
         {
-        if ($name{0}=='.' || !is_dir($INSTLL_PATH.'program/localization/'.$name))
+        if ($name{0}=='.' || !is_dir($INSTALL_PATH.'program/localization/'.$name))
           continue;
 
         if ($label = $rcube_languages[$name])
@@ -730,7 +812,7 @@
   {
   global $CONFIG;
 
-  $temp_dir = $CONFIG['temp_dir'].(!eregi('\/$', $CONFIG['temp_dir']) ? '/' : '');
+  $temp_dir = slashify($CONFIG['temp_dir']);
   $cache_dir = $temp_dir.$sess_id;
 
   if (is_dir($cache_dir))
@@ -762,22 +844,23 @@
 // this function is not complete and not tested well
 function rcube_charset_convert($str, $from, $to=NULL)
   {
-  global $MBSTRING, $MBSTRING_ENCODING;
+  global $MBSTRING;
 
   $from = strtoupper($from);
   $to = $to==NULL ? strtoupper($GLOBALS['CHARSET']) : strtoupper($to);
 
-  if ($from==$to)
+  if ($from==$to || $str=='')
     return $str;
-    
+
   // convert charset using mbstring module  
   if ($MBSTRING)
     {
     $to = $to=="UTF-7" ? "UTF7-IMAP" : $to;
     $from = $from=="UTF-7" ? "UTF7-IMAP": $from;
-    
-    if (in_array($to, $MBSTRING_ENCODING) && in_array($from, $MBSTRING_ENCODING))
-      return mb_convert_encoding($str, $to, $from);
+
+    // return if convert succeeded
+    if (($out = mb_convert_encoding($str, $to, $from)) != '')
+      return $out;
     }
 
   // convert charset using iconv module  
@@ -789,7 +872,7 @@
   // convert string to UTF-8
   if ($from=='UTF-7')
     $str = rcube_charset_convert(UTF7DecodeString($str), 'ISO-8859-1');
-  else if ($from=='ISO-8859-1' && function_exists('utf8_encode'))
+  else if (($from=='ISO-8859-1') && function_exists('utf8_encode'))
     $str = utf8_encode($str);
   else if ($from!='UTF-8')
     {
@@ -799,7 +882,7 @@
 
   // encode string for output
   if ($to=='UTF-7')
-    return UTF7EncodeString($str);
+    return UTF7EncodeString(rcube_charset_convert($str, 'UTF-8', 'ISO-8859-1'));
   else if ($to=='ISO-8859-1' && function_exists('utf8_decode'))
     return utf8_decode($str);
   else if ($to!='UTF-8')
@@ -894,7 +977,7 @@
     if ($OUTPUT->get_charset()!='UTF-8')
       $str = rcube_charset_convert($str, $GLOBALS['CHARSET'], $OUTPUT->get_charset());
       
-    return preg_replace(array("/\r\n/", '/"/', "/([^\\\])'/"), array('\n', '\"', "$1\'"), strtr($str, $js_rep_table));
+    return addslashes(preg_replace(array("/\r\n/", "/\r/"), array('\n', '\n'), strtr($str, $js_rep_table)));
     }
 
   // encode for RTF
@@ -904,6 +987,52 @@
   // no encoding given -> return original string
   return $str;
   }
+
+
+/**
+ * Read input value and convert it for internal use
+ * Performs stripslashes() and charset conversion if necessary
+ * 
+ * @param  string   Field name to read
+ * @param  int      Source to get value from (GPC)
+ * @param  boolean  Allow HTML tags in field value
+ * @param  string   Charset to convert into
+ * @return string   Field value or NULL if not available
+ */
+function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL)
+  {
+  global $OUTPUT;
+  $value = NULL;
+  
+  if ($source==RCUBE_INPUT_GET && isset($_GET[$fname]))
+    $value = $_GET[$fname];
+  else if ($source==RCUBE_INPUT_POST && isset($_POST[$fname]))
+    $value = $_POST[$fname];
+  else if ($source==RCUBE_INPUT_GPC)
+    {
+    if (isset($_POST[$fname]))
+      $value = $_POST[$fname];
+    else if (isset($_GET[$fname]))
+      $value = $_GET[$fname];
+    else if (isset($_COOKIE[$fname]))
+      $value = $_COOKIE[$fname];
+    }
+  
+  // strip slashes if magic_quotes enabled
+  if ((bool)get_magic_quotes_gpc())
+    $value = stripslashes($value);
+
+  // remove HTML tags if not allowed    
+  if (!$allow_html)
+    $value = strip_tags($value);
+  
+  // convert to internal charset
+  if (is_object($OUTPUT))
+    return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset);
+  else
+    return $value;
+  }
+
 
 
 
@@ -976,21 +1105,12 @@
   }
 
 
-function rcube_xml_command($command, $str_attrib, $a_attrib=NULL)
+function rcube_xml_command($command, $str_attrib, $add_attrib=array())
   {
   global $IMAP, $CONFIG, $OUTPUT;
   
-  $attrib = array();
   $command = strtolower($command);
-
-  preg_match_all('/\s*([-_a-z]+)=["]([^"]+)["]?/i', stripslashes($str_attrib), $regs, PREG_SET_ORDER);
-
-  // convert attributes to an associative array (name => value)
-  if ($regs)
-    foreach ($regs as $attr)
-      $attrib[strtolower($attr[1])] = $attr[2];
-  else if ($a_attrib)
-    $attrib = $a_attrib;
+  $attrib = parse_attrib_string($str_attrib) + $add_attrib;
 
   // execute command
   switch ($command)
@@ -1055,6 +1175,8 @@
         'composeattachment' => 'rcmail_compose_attachment_field',
         'priorityselector' => 'rcmail_priority_selector',
         'charsetselector' => 'rcmail_charset_selector',
+        'searchform' => 'rcmail_search_form',
+        'receiptcheckbox' => 'rcmail_receipt_checkbox',
         
         // ADDRESS BOOK
         'addresslist' => 'rcmail_contacts_list',
@@ -1072,6 +1194,7 @@
         'identityform' => 'rcube_identity_form',
         'foldersubscription' => 'rcube_subscription_form',
         'createfolder' => 'rcube_create_folder_form',
+        'renamefolder' => 'rcube_rename_folder_form',
         'composebody' => 'rcmail_compose_body'
       );
 
@@ -1079,20 +1202,31 @@
       // execute object handler function
       if ($object_handlers[$object] && function_exists($object_handlers[$object]))
         return call_user_func($object_handlers[$object], $attrib);
-
+        
+      else if ($object=='productname')
+        {
+        $name = !empty($CONFIG['product_name']) ? $CONFIG['product_name'] : 'RoundCube Webmail';
+        return rep_specialchars_output($name, 'html', 'all');
+        }
+      else if ($object=='version')
+        {
+        return (string)RCMAIL_VERSION;
+        }
       else if ($object=='pagetitle')
         {
         $task = $GLOBALS['_task'];
         $title = !empty($CONFIG['product_name']) ? $CONFIG['product_name'].' :: ' : '';
         
-        if ($task=='mail' && isset($GLOBALS['MESSAGE']['subject']))
+        if ($task=='login')
+          $title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $CONFIG['product_name'])));
+        else if ($task=='mail' && isset($GLOBALS['MESSAGE']['subject']))
           $title .= $GLOBALS['MESSAGE']['subject'];
         else if (isset($GLOBALS['PAGE_TITLE']))
           $title .= $GLOBALS['PAGE_TITLE'];
         else if ($task=='mail' && ($mbox_name = $IMAP->get_mailbox_name()))
           $title .= rcube_charset_convert($mbox_name, 'UTF-7', 'UTF-8');
         else
-          $title .= $task;
+          $title .= ucfirst($task);
           
         return rep_specialchars_output($title, 'html', 'all');
         }
@@ -1107,9 +1241,12 @@
 // create and register a button
 function rcube_button($attrib)
   {
-  global $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $BROWSER;
+  global $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $BROWSER, $COMM_PATH, $MAIN_TASKS;
   static $sa_buttons = array();
   static $s_button_count = 100;
+  
+  // these commands can be called directly via url
+  $a_static_commands = array('compose', 'list');
   
   $skin_path = $CONFIG['skin_path'];
   
@@ -1120,7 +1257,7 @@
   if ($attrib['type'])
     $attrib['type'] = strtolower($attrib['type']);
   else
-    $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $arg['imagect']) ? 'image' : 'link';
+    $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $arg['imageact']) ? 'image' : 'link';
   
   
   $command = $attrib['command'];
@@ -1130,7 +1267,7 @@
     $attrib = $sa_buttons[$attrib['name']];
 
   // add button to button stack
-  else if($attrib['image'] || $arg['imagect'] || $attrib['imagepas'] || $attrib['class'])
+  else if($attrib['image'] || $arg['imageact'] || $attrib['imagepas'] || $attrib['class'])
     {
     if(!$attrib['name'])
       $attrib['name'] = $command;
@@ -1179,14 +1316,22 @@
 
   // register button in the system
   if ($attrib['command'])
+    {
     $OUTPUT->add_script(sprintf("%s.register_button('%s', '%s', '%s', '%s', '%s', '%s');",
                                 $JS_OBJECT_NAME,
                                 $command,
                                 $attrib['id'],
                                 $attrib['type'],
                                 $attrib['imageact'] ? $skin_path.$attrib['imageact'] : $attrib['classact'],
-                                $attirb['imagesel'] ? $skin_path.$attirb['imagesel'] : $attrib['classsel'],
+                                $attrib['imagesel'] ? $skin_path.$attrib['imagesel'] : $attrib['classsel'],
                                 $attrib['imageover'] ? $skin_path.$attrib['imageover'] : ''));
+
+    // make valid href to specific buttons
+    if (in_array($attrib['command'], $MAIN_TASKS))
+      $attrib['href'] = htmlentities(ereg_replace('_task=[a-z]+', '_task='.$attrib['command'], $COMM_PATH));
+    else if (in_array($attrib['command'], $a_static_commands))
+      $attrib['href'] = htmlentities($COMM_PATH.'&_action='.$attrib['command']);
+    }
 
   // overwrite attributes
   if (!$attrib['href'])
@@ -1201,6 +1346,11 @@
     $attrib['onmouseout'] = sprintf("return %s.button_out('%s','%s')", $JS_OBJECT_NAME, $command, $attrib['id']);
     }
 
+  if ($command && $attrib['imagesel'])
+    {
+    $attrib['onmousedown'] = sprintf("return %s.button_sel('%s','%s')", $JS_OBJECT_NAME, $command, $attrib['id']);
+    $attrib['onmouseup'] = sprintf("return %s.button_out('%s','%s')", $JS_OBJECT_NAME, $command, $attrib['id']);
+    }
 
   $out = '';
 
@@ -1213,7 +1363,7 @@
     if ($attrib['label'])
       $btn_content .= ' '.$attrib['label'];
     
-    $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'title');
+    $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title');
     }
   else if ($attrib['type']=='link')
     {
@@ -1344,42 +1494,62 @@
   }
 
 
+// compose a valid attribute string for HTML tags
 function create_attrib_string($attrib, $allowed_attribs=array('id', 'class', 'style'))
   {
   // allow the following attributes to be added to the <iframe> tag
   $attrib_str = '';
   foreach ($allowed_attribs as $a)
     if (isset($attrib[$a]))
-      $attrib_str .= sprintf(' %s="%s"', $a, $attrib[$a]);
+      $attrib_str .= sprintf(' %s="%s"', $a, str_replace('"', '&quot;', $attrib[$a]));
 
   return $attrib_str;
   }
 
+
+// convert a HTML attribute string attributes to an associative array (name => value)
+function parse_attrib_string($str)
+  {
+  $attrib = array();
+  preg_match_all('/\s*([-_a-z]+)=["]([^"]+)["]?/i', stripslashes($str), $regs, PREG_SET_ORDER);
+
+  // convert attributes to an associative array (name => value)
+  if ($regs)
+    foreach ($regs as $attr)
+      $attrib[strtolower($attr[1])] = $attr[2];
+
+  return $attrib;
+  }
 
 
 function format_date($date, $format=NULL)
   {
   global $CONFIG, $sess_user_lang;
   
+  $ts = NULL;
+  
   if (is_numeric($date))
     $ts = $date;
   else if (!empty($date))
-    $ts = strtotime($date);
-  else
+    $ts = @strtotime($date);
+    
+  if (empty($ts))
     return '';
+   
+  // get user's timezone
+  $tz = $CONFIG['timezone'];
+  if ($CONFIG['dst_active'])
+    $tz++;
 
   // convert time to user's timezone
-  $timestamp = $ts - date('Z', $ts) + ($CONFIG['timezone'] * 3600);
+  $timestamp = $ts - date('Z', $ts) + ($tz * 3600);
   
   // get current timestamp in user's timezone
   $now = time();  // local time
   $now -= (int)date('Z'); // make GMT time
-  $now += ($CONFIG['timezone'] * 3600); // user's time
+  $now += ($tz * 3600); // user's time
   $now_date = getdate();
 
-  //$day_secs = 60*((int)date('H', $now)*60 + (int)date('i', $now));
-  //$week_secs = 60 * 60 * 24 * 7;
-  //$diff = $now - $timestamp;
   $today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
   $week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
 
@@ -1486,18 +1656,18 @@
   $labels['pass'] = rcube_label('password');
   $labels['host'] = rcube_label('server');
   
-  $input_user = new textfield(array('name' => '_user', 'size' => 30));
-  $input_pass = new passwordfield(array('name' => '_pass', 'size' => 30));
+  $input_user = new textfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30));
+  $input_pass = new passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30));
   $input_action = new hiddenfield(array('name' => '_action', 'value' => 'login'));
     
   $fields = array();
-  $fields['user'] = $input_user->show($_POST['_user']);
+  $fields['user'] = $input_user->show(get_input_value('_user', RCUBE_INPUT_POST));
   $fields['pass'] = $input_pass->show();
   $fields['action'] = $input_action->show();
   
   if (is_array($CONFIG['default_host']))
     {
-    $select_host = new select(array('name' => '_host'));
+    $select_host = new select(array('name' => '_host', 'id' => 'rcmloginhost'));
     
     foreach ($CONFIG['default_host'] as $key => $value)
       $select_host->add($value, (is_numeric($key) ? $value : $key));
@@ -1506,7 +1676,7 @@
     }
   else if (!strlen($CONFIG['default_host']))
     {
-	$input_host = new textfield(array('name' => '_host', 'size' => 30));
+	$input_host = new textfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
 	$fields['host'] = $input_host->show($_POST['_host']);
     }
 
@@ -1519,7 +1689,7 @@
     
 </tr><tr>
 
-<td class="title">$labels[host]</td>
+<td class="title"><label for="rcmloginhost">$labels[host]</label></td>
 <td>$fields[host]</td>
 
 EOF;
@@ -1532,12 +1702,12 @@
 $fields[action]
 <table><tr>
 
-<td class="title">$labels[user]</td>
+<td class="title"><label for="rcmloginuser">$labels[user]</label></td>
 <td>$fields[user]</td>
 
 </tr><tr>
 
-<td class="title">$labels[pass]</td>
+<td class="title"><label for="rcmloginpwd">$labels[pass]</label></td>
 <td>$fields[pass]</td>
 $form_host
 </tr></table>
@@ -1585,7 +1755,58 @@
   }
 
 
-/****** debugging function ********/
+/****** debugging functions ********/
+
+
+/**
+ * Print or write debug messages
+ *
+ * @param mixed Debug message or data
+ */
+function console($msg)
+  {
+  if (!is_string($msg))
+    $msg = var_export($msg, true);
+
+  if (!($GLOBALS['CONFIG']['debug_level'] & 4))
+    write_log('console', $msg);
+  else if ($GLOBALS['REMOTE_REQUEST'])
+    print "/*\n $msg \n*/\n";
+  else
+    {
+    print '<div style="background:#eee; border:1px solid #ccc; margin-bottom:3px; padding:6px"><pre>';
+    print $msg;
+    print "</pre></div>\n";
+    }
+  }
+
+
+/**
+ * Append a line to a logfile in the logs directory.
+ * Date will be added automatically to the line.
+ *
+ * @param $name Name of logfile
+ * @param $line Line to append
+ */
+function write_log($name, $line)
+  {
+  global $CONFIG;
+  
+  $log_entry = sprintf("[%s]: %s\n",
+                 date("d-M-Y H:i:s O", mktime()),
+                 $line);
+                 
+  if (empty($CONFIG['log_dir']))
+    $CONFIG['log_dir'] = $INSTALL_PATH.'logs';
+      
+  // try to open specific log file for writing
+  if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a'))    
+    {
+    fwrite($fp, $log_entry);
+    fclose($fp);
+    }
+  }
+
 
 function rcube_timer()
   {

--
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