From f22c2cefb4c7f8b1a995d5de6f706d49861c473c Mon Sep 17 00:00:00 2001
From: svncommit <devs@roundcube.net>
Date: Tue, 12 May 2009 10:10:30 -0400
Subject: [PATCH] Really, really logout (fixes r2467).

---
 program/include/rcmail.php |  178 ++++++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 122 insertions(+), 56 deletions(-)

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 348a916..1443617 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -5,7 +5,7 @@
  | program/include/rcmail.php                                            |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2008, RoundCube Dev. - Switzerland                      |
+ | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -15,7 +15,7 @@
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
 
- $Id: rcube_browser.php 328 2006-08-30 17:41:21Z thomasb $
+ $Id: rcmail.php 328 2006-08-30 17:41:21Z thomasb $
 
 */
 
@@ -37,6 +37,7 @@
   public $db;
   public $imap;
   public $output;
+  public $plugins;
   public $task = 'mail';
   public $action = '';
   public $comm_path = './';
@@ -47,7 +48,7 @@
   /**
    * This implements the 'singleton' design pattern
    *
-   * @return object qvert The one and only instance
+   * @return object rcmail The one and only instance
    */
   static function get_instance()
   {
@@ -88,9 +89,9 @@
       $syslog_facility = $this->config->get('syslog_facility', LOG_USER);
       openlog($syslog_id, LOG_ODELAY, $syslog_facility);
     }
-    				
+
     // set task and action properties
-    $this->set_task(strip_quotes(get_input_value('_task', RCUBE_INPUT_GPC)));
+    $this->set_task(get_input_value('_task', RCUBE_INPUT_GPC));
     $this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
 
     // connect to database
@@ -123,7 +124,7 @@
 
     // reset some session parameters when changing task
     if ($_SESSION['task'] != $this->task)
-      unset($_SESSION['page']);
+      rcube_sess_unset('page');
 
     // set current task to session
     $_SESSION['task'] = $this->task;
@@ -131,6 +132,9 @@
     // create IMAP object
     if ($this->task == 'mail')
       $this->imap_init();
+      
+    // create plugin API and load plugins
+    $this->plugins = rcube_plugin_api::get_instance();
   }
   
   
@@ -141,14 +145,12 @@
    */
   public function set_task($task)
   {
-    if (!in_array($task, self::$main_tasks))
-      $task = 'mail';
-    
-    $this->task = $task;
-    $this->comm_path = $this->url(array('task' => $task));
+    $task = asciiwords($task);
+    $this->task = $task ? $task : 'mail';
+    $this->comm_path = $this->url(array('task' => $this->task));
     
     if ($this->output)
-      $this->output->set_env('task', $task);
+      $this->output->set_env('task', $this->task);
   }
   
   
@@ -167,10 +169,14 @@
       $this->config->merge((array)$this->user->get_prefs());
     }
     
-    $_SESSION['language'] = $this->user->language = $this->language_prop($this->config->get('language'));
+    $_SESSION['language'] = $this->user->language = $this->language_prop($this->config->get('language', $_SESSION['language']));
 
     // set localization
-    setlocale(LC_ALL, $_SESSION['language'] . '.utf8');
+    setlocale(LC_ALL, $_SESSION['language'] . '.utf8', 'en_US.utf8');
+
+    // workaround for http://bugs.php.net/bug.php?id=18556 
+    if (in_array($_SESSION['language'], array('tr_TR', 'ku', 'az_AZ'))) 
+      setlocale(LC_CTYPE, 'en_US' . '.utf8'); 
   }
   
   
@@ -183,7 +189,13 @@
   private function language_prop($lang)
   {
     static $rcube_languages, $rcube_language_aliases;
-
+    
+    // user HTTP_ACCEPT_LANGUAGE if no language is specified
+    if (empty($lang) || $lang == 'auto') {
+       $accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
+       $lang = str_replace('-', '_', $accept_langs[0]);
+     }
+     
     if (empty($rcube_languages)) {
       @include(INSTALL_PATH . 'program/localization/index.inc');
     }
@@ -217,7 +229,7 @@
   /**
    * Get the current database connection
    *
-   * @return object rcube_db  Database connection object
+   * @return object rcube_mdb2  Database connection object
    */
   public function get_dbh()
   {
@@ -245,9 +257,18 @@
     $contacts = null;
     $ldap_config = (array)$this->config->get('ldap_public');
     $abook_type = strtolower($this->config->get('address_book_type'));
+
+    $plugin = $this->plugins->exec_hook('get_address_book', array('id' => $id, 'writeable' => $writeable));
     
-    if ($id && $ldap_config[$id]) {
+    // plugin returned instance of a rcube_addressbook
+    if ($plugin['instance'] instanceof rcube_addressbook) {
+      $contacts = $plugin['instance'];
+    }
+    else if ($id && $ldap_config[$id]) {
       $contacts = new rcube_ldap($ldap_config[$id]);
+    }
+    else if ($id === '0') {
+      $contacts = new rcube_contacts($this->db, $this->user->ID);
     }
     else if ($abook_type == 'ldap') {
       // Use the first writable LDAP address book.
@@ -282,6 +303,14 @@
 
     foreach (array('flag_for_deletion','read_when_deleted') as $js_config_var) {
       $this->output->set_env($js_config_var, $this->config->get($js_config_var));
+    }
+    
+    // set keep-alive/check-recent interval
+    if ($keep_alive = $this->config->get('keep_alive')) {
+      // be sure that it's less than session lifetime
+      if ($session_lifetime = $this->config->get('session_lifetime'))
+        $keep_alive = min($keep_alive, $session_lifetime * 60 - 30);
+      $this->output->set_env('keep_alive', max(60, $keep_alive));
     }
 
     if ($framed) {
@@ -334,6 +363,16 @@
 
     // set pagesize from config
     $this->imap->set_pagesize($this->config->get('pagesize', 50));
+    
+    // Setting root and delimiter before iil_Connect can save time detecting them
+    // using NAMESPACE and LIST 
+    $options = array(
+      'imap' => $this->config->get('imap_auth_type', 'check'),
+      'delimiter' => isset($_SESSION['imap_delimiter']) ? $_SESSION['imap_delimiter'] : $this->config->get('imap_delimiter'),
+      'rootdir' => isset($_SESSION['imap_root']) ? $_SESSION['imap_root'] : $this->config->get('imap_root'),
+    );
+
+    $this->imap->set_options($options);
   
     // set global object for backward compatibility
     $GLOBALS['IMAP'] = $this->imap;
@@ -353,7 +392,7 @@
     $conn = false;
     
     if ($_SESSION['imap_host'] && !$this->imap->conn) {
-      if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'], rcmail::get_instance()->config->get('imap_auth_type', 'check')))) {
+      if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']))) {
         if ($this->output)
           $this->output->show_message($this->imap->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
       }
@@ -404,11 +443,13 @@
     if ($a_host['host']) {
       $host = $a_host['host'];
       $imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
-      $imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $config['default_port']);
+      if(!empty($a_host['port']))
+        $imap_port = $a_host['port'];
+      else if ($imap_ssl && $imap_ssl != 'tls')
+        $imap_port = 993;
     }
-    else
-      $imap_port = $config['default_port'];
-
+    
+    $imap_port = $imap_port ? $imap_port : $config['default_port'];
 
     /* Modify username with domain if required  
        Inspired by Marco <P0L0_notspam_binware.org>
@@ -421,20 +462,21 @@
         $username .= '@'.$config['username_domain'];
     }
 
-    // try to resolve email address from virtuser table    
-    if (!empty($config['virtuser_file']) && strpos($username, '@'))
-      $username = rcube_user::email2user($username);
+    // try to resolve email address from virtuser table
+    if (strpos($username, '@'))
+      if ($virtuser = rcube_user::email2user($username))
+        $username = $virtuser;
 
     // lowercase username if it's an e-mail address (#1484473)
     if (strpos($username, '@'))
-      $username = strtolower($username);
+      $username = rc_strtolower($username);
 
     // user already registered -> overwrite username
     if ($user = rcube_user::query($username, $host))
       $username = $user->data['username'];
 
     // exit if IMAP login failed
-    if (!($imap_login  = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl, $config['imap_auth_type'])))
+    if (!($imap_login  = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl)))
       return false;
 
     // user already registered -> update user's record
@@ -454,7 +496,7 @@
       raise_error(array(
         'code' => 600,
         'type' => 'php',
-        'file' => "config/main.inc.php",
+        'file' => RCMAIL_CONFIG_DIR."/main.inc.php",
         'message' => "Acces denied for new user $username. 'auto_create_user' is disabled"
         ), true, false);
     }
@@ -471,6 +513,9 @@
       $_SESSION['imap_ssl']  = $imap_ssl;
       $_SESSION['password']  = $this->encrypt_passwd($pass);
       $_SESSION['login_time'] = mktime();
+      
+      if ($_REQUEST['_timezone'] != '_default_')
+        $_SESSION['timezone'] = floatval($_REQUEST['_timezone']);
 
       // force reloading complete list of subscribed mailboxes
       $this->set_imap_prop();
@@ -494,10 +539,6 @@
   {
     $this->imap->set_charset($this->config->get('default_charset', RCMAIL_CHARSET));
 
-    // set root dir from config
-    if ($imap_root = $this->config->get('imap_root')) {
-      $this->imap->set_rootdir($imap_root);
-    }
     if ($default_folders = $this->config->get('default_imap_folders')) {
       $this->imap->set_default_mailboxes($default_folders);
     }
@@ -507,6 +548,10 @@
     if (isset($_SESSION['page'])) {
       $this->imap->set_page($_SESSION['page']);
     }
+    
+    // cache IMAP root and delimiter in session for performance reasons
+    $_SESSION['imap_root'] = $this->imap->root_dir;
+    $_SESSION['imap_delimiter'] = $this->imap->delimiter;
   }
 
 
@@ -560,7 +605,7 @@
    * @param mixed Named parameters array or label name
    * @return string Localized text
    */
-  public function gettext($attrib)
+  public function gettext($attrib, $domain=null)
   {
     // load localization files if not done yet
     if (empty($this->texts))
@@ -575,9 +620,12 @@
 
     $command_name = !empty($attrib['command']) ? $attrib['command'] : NULL;
     $alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
-
+    
+    // check for text with domain
+    if ($domain && ($text_item = $this->texts[$domain.'.'.$alias]))
+      ;
     // text does not exist
-    if (!($text_item = $this->texts[$alias])) {
+    else if (!($text_item = $this->texts[$alias])) {
       /*
       raise_error(array(
         'code' => 500,
@@ -639,9 +687,9 @@
    *
    * @param string Language ID
    */
-  public function load_language($lang = null)
+  public function load_language($lang = null, $add = array())
   {
-    $lang = $lang ? $this->language_prop($lang) : $_SESSION['language'];
+    $lang = $this->language_prop(($lang ? $lang : $_SESSION['language']));
     
     // load localized texts
     if (empty($this->texts) || $lang != $_SESSION['language']) {
@@ -669,6 +717,10 @@
       
       $_SESSION['language'] = $lang;
     }
+
+    // append additional texts (from plugin)
+    if (is_array($add) && !empty($add))
+      $this->texts += $add;
   }
 
 
@@ -719,7 +771,7 @@
       if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now - $_SESSION['auth_time'] > 300)) {
         $_SESSION['last_auth'] = $_SESSION['auth_time'];
         $_SESSION['auth_time'] = $now;
-        setcookie('sessauth', $this->get_auth_hash(session_id(), $now));
+        rcmail::setcookie('sessauth', $this->get_auth_hash(session_id(), $now), 0);
       }
     }
     else {
@@ -741,15 +793,10 @@
    */
   public function kill_session()
   {
-    $user_prefs = $this->user->get_prefs();
-    
-    if ((isset($_SESSION['sort_col']) && $_SESSION['sort_col'] != $user_prefs['message_sort_col']) ||
-        (isset($_SESSION['sort_order']) && $_SESSION['sort_order'] != $user_prefs['message_sort_order'])) {
-      $this->user->save_prefs(array('message_sort_col' => $_SESSION['sort_col'], 'message_sort_order' => $_SESSION['sort_order']));
-    }
-
-    $_SESSION = array('language' => $USER->language, 'auth_time' => time(), 'temp' => true);
-    setcookie('sessauth', '-del-', time() - 60);
+    foreach (array_keys($_SESSION) as $var)
+      rcube_sess_unset($var);
+    $_SESSION = array('language' => $this->user->language, 'auth_time' => time(), 'temp' => true);
+    rcmail::setcookie('sessauth', '-del-', time() - 60);
     $this->user->reset();
   }
 
@@ -890,18 +937,37 @@
     if (!is_array($p))
       $p = array('_action' => @func_get_arg(0));
     
-    if ($p['task'] && in_array($p['task'], rcmail::$main_tasks))
-      $url = './?_task='.$p['task'];
-    else
-      $url = $this->comm_path;
-    
+    $task = $p['_task'] ? $p['_task'] : ($p['task'] ? $p['task'] : $this->task);
+    $p['_task'] = $task;
     unset($p['task']);
-    foreach ($p as $par => $val)
-      if (isset($val))
-        $url .= '&'.urlencode($par).'='.urlencode($val);
-    
+
+    $url = './';
+    $delm = '?';
+    foreach (array_reverse($p) as $key => $val)
+    {
+      if (!empty($val)) {
+        $par = $key[0] == '_' ? $key : '_'.$key;
+        $url .= $delm.urlencode($par).'='.urlencode($val);
+        $delm = '&';
+      }
+    }
     return $url;
   }
+
+
+  /**
+   * Helper method to set a cookie with the current path and host settings
+   *
+   * @param string Cookie name
+   * @param string Cookie value
+   * @param string Expiration time
+   */
+  public static function setcookie($name, $value, $exp = 0)
+  {
+    $cookie = session_get_cookie_params();
+    setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'],
+      ($_SERVER['HTTPS'] && ($_SERVER['HTTPS'] != 'off')));
+  }
 }
 
 

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