From d04d202234b0ba1e65b1c581acf0cbe715120dd7 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 22 Nov 2006 06:49:30 -0500
Subject: [PATCH] Remove newlines from mail headers (#1484031)

---
 program/include/main.inc |  437 ++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 272 insertions(+), 165 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index 34e21c2..55336fd 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -39,40 +39,12 @@
   // check client
   $BROWSER = rcube_browser();
 
-  // load config file
-  include_once('config/main.inc.php');
-  $CONFIG = is_array($rcmail_config) ? $rcmail_config : array();
-  
-  // load host-specific configuration
-  rcmail_load_host_config($CONFIG);
-  
-  $CONFIG['skin_path'] = $CONFIG['skin_path'] ? unslashify($CONFIG['skin_path']) : 'skins/default';
-
-  // load db conf
-  include_once('config/db.inc.php');
-  $CONFIG = array_merge($CONFIG, $rcmail_config);
-
-  if (empty($CONFIG['log_dir']))
-    $CONFIG['log_dir'] = $INSTALL_PATH.'logs';
-  else
-    $CONFIG['log_dir'] = unslashify($CONFIG['log_dir']);
-
-  // set PHP error logging according to config
-  if ($CONFIG['debug_level'] & 1)
-    {
-    ini_set('log_errors', 1);
-    ini_set('error_log', $CONFIG['log_dir'].'/errors');
-    }
-  if ($CONFIG['debug_level'] & 4)
-    ini_set('display_errors', 1);
-  else
-    ini_set('display_errors', 0);
-
+  // load configuration
+  $CONFIG = rcmail_load_config();
 
   // set session garbage collecting time according to session_lifetime
   if (!empty($CONFIG['session_lifetime']))
-    ini_set('session.gc_maxlifetime', ($CONFIG['session_lifetime']+2)*60);
-
+    ini_set('session.gc_maxlifetime', ($CONFIG['session_lifetime']) * 120);
 
   // prepare DB connection
   require_once('include/rcube_'.(empty($CONFIG['db_backend']) ? 'db' : $CONFIG['db_backend']).'.inc');
@@ -80,7 +52,7 @@
   $DB = new rcube_db($CONFIG['db_dsnw'], $CONFIG['db_dsnr'], $CONFIG['db_persistent']);
   $DB->sqlite_initials = $INSTALL_PATH.'SQL/sqlite.initial.sql';
   $DB->db_connect('w');
-    
+
   // we can use the database for storing session data
   if (!$DB->is_error())
     include_once('include/session.inc');
@@ -129,6 +101,44 @@
   }
 
 
+// load roundcube configuration into global var
+function rcmail_load_config()
+  {
+	global $INSTALL_PATH;
+
+  // load config file
+	include_once('config/main.inc.php');
+	$conf = is_array($rcmail_config) ? $rcmail_config : array();
+
+  // load host-specific configuration
+  rcmail_load_host_config($conf);
+
+  $conf['skin_path'] = $conf['skin_path'] ? unslashify($conf['skin_path']) : 'skins/default';
+
+  // load db conf
+  include_once('config/db.inc.php');
+  $conf = array_merge($conf, $rcmail_config);
+
+  if (empty($conf['log_dir']))
+    $conf['log_dir'] = $INSTALL_PATH.'logs';
+  else
+    $conf['log_dir'] = unslashify($conf['log_dir']);
+
+  // set PHP error logging according to config
+  if ($conf['debug_level'] & 1)
+    {
+    ini_set('log_errors', 1);
+    ini_set('error_log', $conf['log_dir'].'/errors');
+    }
+  if ($conf['debug_level'] & 4)
+    ini_set('display_errors', 1);
+  else
+    ini_set('display_errors', 0);
+
+  return $conf;
+  }
+
+
 // load a host-specific config file if configured
 function rcmail_load_host_config(&$config)
   {
@@ -169,15 +179,24 @@
 function rcmail_authenticate_session()
   {
   $now = mktime();
-  $valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']));
-  
-  // renew auth cookie every 5 minutes
-  if (!$valid || ($now-$_SESSION['auth_time'] > 300))
+  $valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']) ||
+						$_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['last_auth']));
+
+  // renew auth cookie every 5 minutes (only for GET requests)
+  if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now-$_SESSION['auth_time'] > 300))
     {
+    $_SESSION['last_auth'] = $_SESSION['auth_time'];
     $_SESSION['auth_time'] = $now;
     setcookie('sessauth', rcmail_auth_hash(session_id(), $now));
     }
-    
+
+  if (!$valid)
+    write_log('timeouts',
+      "REQUEST: " . var_export($_REQUEST, true) .
+      "\nEXPECTED: " . rcmail_auth_hash(session_id(), $_SESSION['auth_time']) .
+      "\nOR LAST: " . rcmail_auth_hash(session_id(), $_SESSION['last_auth']) .
+      "\nSESSION: " . var_export($_SESSION, true));
+
   return $valid;
   }
 
@@ -205,9 +224,6 @@
   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']);
@@ -223,6 +239,9 @@
   // set root dir from config
   if (!empty($CONFIG['imap_root']))
     $IMAP->set_rootdir($CONFIG['imap_root']);
+
+  if (is_array($CONFIG['default_imap_folders']))
+    $IMAP->set_default_mailboxes($CONFIG['default_imap_folders']);
 
   if (!empty($_SESSION['mbox']))
     $IMAP->set_mailbox($_SESSION['mbox']);
@@ -346,18 +365,22 @@
   
   // add common javascripts
   $javascript = "var $JS_OBJECT_NAME = new rcube_webmail();\n";
-  $javascript .= "$JS_OBJECT_NAME.set_env('comm_path', '$COMM_PATH');\n";
+  $javascript .= sprintf("%s.set_env('comm_path', '%s');\n", $JS_OBJECT_NAME, str_replace('&amp;', '&', $COMM_PATH));
 
   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";
     }
   }
-  
+
+  // don't wait for page onload. Call init at the bottom of the page (delayed)
+  $javascript_foot = "if (window.call_init)\n call_init('$JS_OBJECT_NAME');";
+
   if (!empty($GLOBALS['_framed']))
     $javascript .= "$JS_OBJECT_NAME.set_env('framed', true);\n";
     
-  $OUTPUT->add_script($javascript);
+  $OUTPUT->add_script($javascript, 'head');
+  $OUTPUT->add_script($javascript_foot, 'foot');
   $OUTPUT->include_script('common.js');
   $OUTPUT->include_script('app.js');
   $OUTPUT->scripts_path = 'program/js/';
@@ -377,38 +400,14 @@
 // set localization charset based on the given language
 function rcmail_set_locale($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'));
   }
@@ -439,12 +438,12 @@
      Inspired by Marco <P0L0_notspam_binware.org>
   */
   // Check if we need to add domain
-  if ($CONFIG['username_domain'] && !strstr($user, '@'))
+  if (!empty($CONFIG['username_domain']) && !strstr($user, '@'))
     {
     if (is_array($CONFIG['username_domain']) && isset($CONFIG['username_domain'][$host]))
       $user .= '@'.$CONFIG['username_domain'][$host];
-    else if (!empty($CONFIG['username_domain']))
-      $user .= '@'.$CONFIG['username_domain'];    
+    else if (is_string($CONFIG['username_domain']))
+      $user .= '@'.$CONFIG['username_domain'];
     }
 
 
@@ -490,7 +489,7 @@
       
     // 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);
     }
@@ -510,8 +509,10 @@
     $_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;
     }
@@ -533,7 +534,7 @@
 
   $DB->query("INSERT INTO ".get_table_name('users')."
               (created, last_login, username, mail_host, alias, language)
-              VALUES (now(), now(), ?, ?, ?, ?)",
+              VALUES (".$DB->now().", ".$DB->now().", ?, ?, ?, ?)",
               $user,
               $host,
               $user_email,
@@ -541,12 +542,7 @@
 
   if ($user_id = $DB->insert_id(get_sequence_name('users')))
     {
-    if (is_array($CONFIG['mail_domain']) && isset($CONFIG['mail_domain'][$host]))
-      $mail_domain = $CONFIG['mail_domain'][$host];
-    else if (!empty($CONFIG['mail_domain']))
-      $mail_domain = $CONFIG['mail_domain'];
-    else
-      $mail_domain = $host;
+    $mail_domain = rcmail_mail_domain($host);
    
     if ($user_email=='')
       $user_email = strstr($user, '@') ? $user : sprintf('%s@%s', $user, $mail_domain);
@@ -554,21 +550,28 @@
     $user_name = $user!=$user_email ? $user : '';
 
     // try to resolve the e-mail address from the virtuser table
-	if (!empty($CONFIG['virtuser_query']))
-	  {
-      $sql_result = $DB->query(preg_replace('/%u/', $user, $CONFIG['virtuser_query']));
-      if ($sql_arr = $DB->fetch_array($sql_result))
-        $user_email = $sql_arr[0];
+	if (!empty($CONFIG['virtuser_query']) &&
+        ($sql_result = $DB->query(preg_replace('/%u/', $user, $CONFIG['virtuser_query']))) &&
+        ($DB->num_rows()>0))
+      while ($sql_arr = $DB->fetch_array($sql_result))
+        {
+        $DB->query("INSERT INTO ".get_table_name('identities')."
+                   (user_id, del, standard, name, email)
+                   VALUES (?, 0, 1, ?, ?)",
+                   $user_id,
+                   $user_name,
+                   preg_replace('/^@/', $user . '@', $sql_arr[0]));
+        }
+    else
+      {
+      // also create new identity records
+      $DB->query("INSERT INTO ".get_table_name('identities')."
+                  (user_id, del, standard, name, email)
+                  VALUES (?, 0, 1, ?, ?)",
+                  $user_id,
+                  $user_name,
+                  $user_email);
       }
-
-    // also create new identity records
-    $DB->query("INSERT INTO ".get_table_name('identities')."
-                (user_id, del, standard, name, email)
-                VALUES (?, 0, 1, ?, ?)",
-                $user_id,
-                $user_name,
-                $user_email);
-
                        
     // get existing mailboxes
     $a_mailboxes = $IMAP->list_mailboxes();
@@ -703,31 +706,17 @@
   
   $framed = $GLOBALS['_framed'];
   $command = sprintf("display_message('%s', '%s');",
-                     addslashes(rep_specialchars_output(rcube_label(array('name' => $message, 'vars' => $vars)))),
+                     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";
-    }
   }
 
 
@@ -787,6 +776,19 @@
   }
 
 
+// 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()
   {
@@ -828,19 +830,25 @@
   }
 
 
-// remove temp files of a session
-function rcmail_clear_session_temp($sess_id)
+// remove temp files older than two day
+function rcmail_temp_gc()
   {
-  global $CONFIG;
+  $tmp = unslashify($CONFIG['temp_dir']);
+  $expire = mktime() - 172800;  // expire in 48 hours
 
-  $temp_dir = slashify($CONFIG['temp_dir']);
-  $cache_dir = $temp_dir.$sess_id;
-
-  if (is_dir($cache_dir))
+  if ($dir = opendir($tmp))
     {
-    clear_directory($cache_dir);
-    rmdir($cache_dir);
-    }  
+    while (($fname = readdir($dir)) !== false)
+      {
+      if ($fname{0} == '.')
+        continue;
+
+      if (filemtime($tmp.'/'.$fname) < $expire)
+        @unlink($tmp.'/'.$fname);
+      }
+
+    closedir($dir);
+    }
   }
 
 
@@ -865,22 +873,23 @@
 // 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 || $str=='' || empty($from))
     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  
@@ -891,8 +900,8 @@
 
   // 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'))
+    $str = utf7_to_utf8($str);
+  else if (($from=='ISO-8859-1') && function_exists('utf8_encode'))
     $str = utf8_encode($str);
   else if ($from!='UTF-8')
     {
@@ -902,7 +911,7 @@
 
   // encode string for output
   if ($to=='UTF-7')
-    return UTF7EncodeString($str);
+    return utf8_to_utf7($str);
   else if ($to=='ISO-8859-1' && function_exists('utf8_decode'))
     return utf8_decode($str);
   else if ($to!='UTF-8')
@@ -941,7 +950,6 @@
       {
       $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);        
       unset($html_encode_arr['?']);
-      unset($html_encode_arr['&']);
       }
 
     $ltpos = strpos($str, '<');
@@ -953,11 +961,13 @@
       unset($encode_arr['"']);
       unset($encode_arr['<']);
       unset($encode_arr['>']);
+      unset($encode_arr['&']);
       }
     else if ($mode=='remove')
       $str = strip_tags($str);
-      
-    $out = strtr($str, $encode_arr);
+    
+    // avoid douple quotation of &
+    $out = preg_replace('/&amp;([a-z]{2,5});/', '&\\1;', strtr($str, $encode_arr));
       
     return $newlines ? nl2br($out) : $out;
     }
@@ -997,7 +1007,7 @@
     if ($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
@@ -1053,7 +1063,13 @@
     return $value;
   }
 
-
+/**
+ * Remove single and double quotes from given string
+ */
+function strip_quotes($str)
+{
+  return preg_replace('/[\'"]/', '', $str);
+}
 
 
 // ************** template parsing and gui functions **************
@@ -1125,21 +1141,12 @@
   }
 
 
-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)
@@ -1204,6 +1211,7 @@
         'composeattachment' => 'rcmail_compose_attachment_field',
         'priorityselector' => 'rcmail_priority_selector',
         'charsetselector' => 'rcmail_charset_selector',
+        'editorselector' => 'rcmail_editor_selector',
         'searchform' => 'rcmail_search_form',
         'receiptcheckbox' => 'rcmail_receipt_checkbox',
         
@@ -1223,7 +1231,7 @@
         'identityform' => 'rcube_identity_form',
         'foldersubscription' => 'rcube_subscription_form',
         'createfolder' => 'rcube_create_folder_form',
-	'renamefolder' => 'rcube_rename_folder_form',
+        'renamefolder' => 'rcube_rename_folder_form',
         'composebody' => 'rcmail_compose_body'
       );
 
@@ -1274,6 +1282,9 @@
   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'];
   
   if (!($attrib['command'] || $attrib['name']))
@@ -1283,8 +1294,7 @@
   if ($attrib['type'])
     $attrib['type'] = strtolower($attrib['type']);
   else
-    $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $arg['imageact']) ? 'image' : 'link';
-  
+    $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
   
   $command = $attrib['command'];
   
@@ -1293,7 +1303,7 @@
     $attrib = $sa_buttons[$attrib['name']];
 
   // add button to button stack
-  else if($attrib['image'] || $arg['imageact'] || $attrib['imagepas'] || $attrib['class'])
+  else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class'])
     {
     if(!$attrib['name'])
       $attrib['name'] = $command;
@@ -1352,9 +1362,11 @@
                                 $attrib['imagesel'] ? $skin_path.$attrib['imagesel'] : $attrib['classsel'],
                                 $attrib['imageover'] ? $skin_path.$attrib['imageover'] : ''));
 
-    // make valid href to task buttons
+    // make valid href to specific buttons
     if (in_array($attrib['command'], $MAIN_TASKS))
-      $attrib['href'] = ereg_replace('_task=[a-z]+', '_task='.$attrib['command'], $COMM_PATH);
+      $attrib['href'] = htmlentities(ereg_replace('_task=[a-z]+', '_task='.$attrib['command'], $COMM_PATH));
+    else if (in_array($attrib['command'], $a_static_commands))
+      $attrib['href'] = htmlentities($COMM_PATH.'&_action='.$attrib['command']);
     }
 
   // overwrite attributes
@@ -1489,7 +1501,15 @@
   }
 
 
-
+/**
+ * Create an edit field for inclusion on a form
+ * 
+ * @param string col field name
+ * @param string value field value
+ * @param array attrib HTML element attributes for field
+ * @param string type HTML element type (default 'text')
+ * @return string HTML field definition
+ */
 function rcmail_get_edit_field($col, $value, $attrib, $type='text')
   {
   $fname = '_'.$col;
@@ -1518,17 +1538,32 @@
   }
 
 
+// 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)
@@ -1655,6 +1690,24 @@
   }
 
 
+// return the mail domain configured for the given host
+function rcmail_mail_domain($host)
+  {
+  global $CONFIG;
+
+  $domain = $host;
+  if (is_array($CONFIG['mail_domain']))
+    {
+    if (isset($CONFIG['mail_domain'][$host]))
+      $domain = $CONFIG['mail_domain'][$host];
+    }
+  else if (!empty($CONFIG['mail_domain']))
+    $domain = $CONFIG['mail_domain'];
+
+  return $domain;
+  }
+
+
 // return code for the webmail login form
 function rcmail_login_form($attrib)
   {
@@ -1665,8 +1718,8 @@
   $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();
@@ -1676,7 +1729,7 @@
   
   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 : $key));
@@ -1685,7 +1738,7 @@
     }
   else if (!strlen($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']);
     }
 
@@ -1698,7 +1751,7 @@
     
 </tr><tr>
 
-<td class="title">$labels[host]</td>
+<td class="title"><label for="rcmloginhost">$labels[host]</label></td>
 <td>$fields[host]</td>
 
 EOF;
@@ -1711,12 +1764,12 @@
 $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>
@@ -1764,7 +1817,61 @@
   }
 
 
-/****** 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 $CONFIG;
+
+  if (!is_string($line))
+    $line = var_export($line, true);
+  
+  $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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