From 8b34075755bcf104964079f9ffe8f0550869e1f0 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 31 Jul 2012 02:33:49 -0400
Subject: [PATCH] Merge branch 'master' of github.com:roundcube/roundcubemail

---
 program/include/rcube_config.php |  171 +++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 137 insertions(+), 34 deletions(-)

diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index a7e1d9e..aae3656 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -5,8 +5,11 @@
  | program/include/rcube_config.php                                      |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2008-2010, Roundcube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
+ | 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:                                                              |
  |   Class to read configuration settings                                |
@@ -14,9 +17,6 @@
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
-
- $Id$
-
 */
 
 /**
@@ -30,6 +30,18 @@
     private $errors = array();
     private $userprefs = array();
 
+    /**
+     * Renamed options
+     *
+     * @var array
+     */
+    private $legacy_props = array(
+        // new name => old name
+        'default_folders'      => 'default_imap_folders',
+        'mail_pagesize'        => 'pagesize',
+        'addressbook_pagesize' => 'pagesize',
+    );
+
 
     /**
      * Object constructor
@@ -37,6 +49,11 @@
     public function __construct()
     {
         $this->load();
+
+        // Defaults, that we do not require you to configure,
+        // but contain information that is used in various
+        // locations in the code:
+        $this->set('contactlist_fields', array('name', 'firstname', 'surname', 'email'));
     }
 
 
@@ -47,10 +64,6 @@
      */
     private function load()
     {
-        // start output buffering, we don't need any output yet, 
-        // it'll be cleared after reading of config files, etc.
-        ob_start();
-    
         // load main config file
         if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/main.inc.php'))
             $this->errors[] = 'main.inc.php was not found.';
@@ -58,27 +71,35 @@
         // load database config
         if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/db.inc.php'))
             $this->errors[] = 'db.inc.php was not found.';
-    
+
         // load host-specific configuration
         $this->load_host_config();
 
         // set skin (with fallback to old 'skin_path' property)
-        if (empty($this->prop['skin']) && !empty($this->prop['skin_path']))
-            $this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
-        else if (empty($this->prop['skin']))
-            $this->prop['skin'] = 'default';
+        if (empty($this->prop['skin'])) {
+            if (!empty($this->prop['skin_path'])) {
+                $this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
+            }
+            else {
+                $this->prop['skin'] = 'larry';
+            }
+        }
+
+        // larry is the new default skin :-)
+        if ($this->prop['skin'] == 'default')
+            $this->prop['skin'] = 'larry';
 
         // fix paths
         $this->prop['log_dir'] = $this->prop['log_dir'] ? realpath(unslashify($this->prop['log_dir'])) : INSTALL_PATH . 'logs';
         $this->prop['temp_dir'] = $this->prop['temp_dir'] ? realpath(unslashify($this->prop['temp_dir'])) : INSTALL_PATH . 'temp';
-    
+
         // fix default imap folders encoding
         foreach (array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox') as $folder)
-            $this->prop[$folder] = rcube_charset_convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP');
+            $this->prop[$folder] = rcube_charset::convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP');
 
-        if (!empty($this->prop['default_imap_folders']))
-            foreach ($this->prop['default_imap_folders'] as $n => $folder)
-                $this->prop['default_imap_folders'][$n] = rcube_charset_convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP');
+        if (!empty($this->prop['default_folders']))
+            foreach ($this->prop['default_folders'] as $n => $folder)
+                $this->prop['default_folders'][$n] = rcube_charset::convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP');
 
         // set PHP error logging according to config
         if ($this->prop['debug_level'] & 1) {
@@ -91,15 +112,20 @@
                 ini_set('error_log', $this->prop['log_dir'].'/errors');
             }
         }
-        if ($this->prop['debug_level'] & 4) {
-            ini_set('display_errors', 1);
+
+        // enable display_errors in 'show' level, but not for ajax requests
+        ini_set('display_errors', intval(empty($_REQUEST['_remote']) && ($this->prop['debug_level'] & 4)));
+
+        // set timezone auto settings values
+        if ($this->prop['timezone'] == 'auto') {
+          $this->prop['_timezone_value'] = $this->client_timezone();
         }
-        else {
-            ini_set('display_errors', 0);
+        else if (is_numeric($this->prop['timezone'])) {
+          $this->prop['timezone'] = timezone_name_from_abbr("", $this->prop['timezone'] * 3600, 0);
         }
 
-        // clear output buffer
-        ob_end_clean();
+        // remove deprecated properties
+        unset($this->prop['dst_active']);
 
         // export config data
         $GLOBALS['CONFIG'] = &$this->prop;
@@ -136,7 +162,11 @@
     public function load_from_file($fpath)
     {
         if (is_file($fpath) && is_readable($fpath)) {
+            // use output buffering, we don't need any output here 
+            ob_start();
             include($fpath);
+            ob_end_clean();
+
             if (is_array($rcmail_config)) {
                 $this->prop = array_merge($this->prop, $rcmail_config, $this->userprefs);
                 return true;
@@ -156,7 +186,25 @@
      */
     public function get($name, $def = null)
     {
-        return isset($this->prop[$name]) ? $this->prop[$name] : $def;
+        if (isset($this->prop[$name])) {
+            $result = $this->prop[$name];
+        }
+        else if (isset($this->legacy_props[$name])) {
+            return $this->get($this->legacy_props[$name], $def);
+        }
+        else {
+            $result = $def;
+        }
+
+        $rcube = rcube::get_instance();
+
+        if ($name == 'timezone' && isset($this->prop['_timezone_value']))
+            $result = $this->prop['_timezone_value'];
+
+        $plugin = $rcube->plugins->exec_hook('config_get', array(
+            'name' => $name, 'default' => $def, 'result' => $result));
+
+        return $plugin['result'];
     }
 
 
@@ -191,8 +239,33 @@
      */
     public function set_user_prefs($prefs)
     {
+        // Honor the dont_override setting for any existing user preferences
+        $dont_override = $this->get('dont_override');
+        if (is_array($dont_override) && !empty($dont_override)) {
+            foreach ($dont_override as $key) {
+                unset($prefs[$key]);
+            }
+        }
+
+        // convert user's timezone into the new format
+        if (is_numeric($prefs['timezone'])) {
+            $prefs['timezone'] = timezone_name_from_abbr('', $prefs['timezone'] * 3600, 0);
+        }
+
+        // larry is the new default skin :-)
+        if ($prefs['skin'] == 'default') {
+            $prefs['skin'] = 'larry';
+        }
+
         $this->userprefs = $prefs;
-        $this->prop = array_merge($this->prop, $prefs);
+        $this->prop      = array_merge($this->prop, $prefs);
+
+        // override timezone settings with client values
+        if ($this->prop['timezone'] == 'auto') {
+            $this->prop['_timezone_value'] = isset($_SESSION['timezone']) ? $this->client_timezone() : $this->prop['_timezone_value'];
+        }
+        else if (isset($this->prop['_timezone_value']))
+           unset($this->prop['_timezone_value']);
     }
 
 
@@ -206,6 +279,25 @@
         return $this->prop;
     }
 
+    /**
+     * Special getter for user's timezone offset including DST
+     *
+     * @return float  Timezone offset (in hours)
+     * @deprecated
+     */
+    public function get_timezone()
+    {
+      if ($tz = $this->get('timezone')) {
+        try {
+          $tz = new DateTimeZone($tz);
+          return $tz->getOffset(new DateTime('now')) / 3600;
+        }
+        catch (Exception $e) {
+        }
+      }
+
+      return 0;
+    }
 
     /**
      * Return requested DES crypto key.
@@ -217,7 +309,7 @@
     {
         // Bomb out if the requested key does not exist
         if (!array_key_exists($key, $this->prop)) {
-            raise_error(array(
+            rcube::raise_error(array(
                 'code' => 500, 'type' => 'php',
                 'file' => __FILE__, 'line' => __LINE__,
                 'message' => "Request for unconfigured crypto key \"$key\""
@@ -228,7 +320,7 @@
 
         // Bomb out if the configured key is not exactly 24 bytes long
         if (strlen($key) != 24) {
-            raise_error(array(
+            rcube::raise_error(array(
                 'code' => 500, 'type' => 'php',
 	            'file' => __FILE__, 'line' => __LINE__,
                 'message' => "Configured crypto key '$key' is not exactly 24 bytes long"
@@ -252,7 +344,7 @@
             if ($delim == "\n" || $delim == "\r\n")
                 return $delim;
             else
-                raise_error(array(
+                rcube::raise_error(array(
                     'code' => 500, 'type' => 'php',
 	                'file' => __FILE__, 'line' => __LINE__,
                     'message' => "Invalid mail_header_delimiter setting"
@@ -286,11 +378,13 @@
             if (isset($this->prop['mail_domain'][$host]))
                 $domain = $this->prop['mail_domain'][$host];
         }
-        else if (!empty($this->prop['mail_domain']))
-            $domain = rcube_parse_host($this->prop['mail_domain']);
+        else if (!empty($this->prop['mail_domain'])) {
+            $domain = rcube_utils::parse_host($this->prop['mail_domain']);
+        }
 
-        if ($encode)
-            $domain = idn_to_ascii($domain);
+        if ($encode) {
+            $domain = rcube_utils::idn_to_ascii($domain);
+        }
 
         return $domain;
     }
@@ -306,4 +400,13 @@
         return empty($this->errors) ? false : join("\n", $this->errors);
     }
 
+
+    /**
+     * Internal getter for client's (browser) timezone identifier
+     */
+    private function client_timezone()
+    {
+        return isset($_SESSION['timezone']) ? timezone_name_from_abbr("", $_SESSION['timezone'] * 3600, 0) : date_default_timezone_get();
+    }
+
 }

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