From 985e410012f1a7937f4c7d0bbe2b9c0b1a40b693 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 28 Sep 2011 10:26:23 -0400
Subject: [PATCH] Unset auto timezone value if overwritten by user prefs

---
 program/include/rcube_config.php |   96 ++++++++++++++++++++++++++++++++++--------------
 1 files changed, 68 insertions(+), 28 deletions(-)

diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index 8020c39..338e07e 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -5,7 +5,7 @@
  | program/include/rcube_config.php                                      |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2008-2010, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2008-2010, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -47,10 +47,6 @@
      */
     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'))
             $this->errors[] = 'main.inc.php was not found.';
@@ -58,7 +54,7 @@
         // load database config
         if (!$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();
 
@@ -71,7 +67,7 @@
         // 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');
@@ -91,15 +87,15 @@
                 ini_set('error_log', $this->prop['log_dir'].'/errors');
             }
         }
-        if ($this->prop['debug_level'] & 4) {
-            ini_set('display_errors', 1);
-        }
-        else {
-            ini_set('display_errors', 0);
-        }
 
-        // clear output buffer
-        ob_end_clean();
+        // 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['dst_active'] = intval(date('I'));
+          $this->prop['_timezone_value']   = date('Z') / 3600 - $this->prop['dst_active'];
+        }
 
         // export config data
         $GLOBALS['CONFIG'] = &$this->prop;
@@ -130,13 +126,17 @@
      * Read configuration from a file
      * and merge with the already stored config values
      *
-     * @param string Full path to the config file to be loaded
+     * @param string $fpath Full path to the config file to be loaded
      * @return booelan True on success, false on failure
      */
     public function load_from_file($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;
@@ -150,21 +150,34 @@
     /**
      * Getter for a specific config parameter
      *
-     * @param  string Parameter name
-     * @param  mixed  Default value if not set
+     * @param  string $name Parameter name
+     * @param  mixed  $def  Default value if not set
      * @return mixed  The requested config value
      */
     public function get($name, $def = null)
     {
-        return isset($this->prop[$name]) ? $this->prop[$name] : $def;
+        $result = isset($this->prop[$name]) ? $this->prop[$name] : $def;
+        $rcmail = rcmail::get_instance();
+        
+        if ($name == 'timezone' && isset($this->prop['_timezone_value']))
+            $result = $this->prop['_timezone_value'];
+
+        if (is_object($rcmail->plugins)) {
+            $plugin = $rcmail->plugins->exec_hook('config_get', array(
+                'name' => $name, 'default' => $def, 'result' => $result));
+
+            return $plugin['result'];
+        }
+
+        return $result;
     }
 
 
     /**
      * Setter for a config parameter
      *
-     * @param string Parameter name
-     * @param mixed  Parameter value
+     * @param string $name  Parameter name
+     * @param mixed  $value Parameter value
      */
     public function set($name, $value)
     {
@@ -175,7 +188,7 @@
     /**
      * Override config options with the given values (eg. user prefs)
      *
-     * @param array Hash array with config props to merge over
+     * @param array $prefs Hash array with config props to merge over
      */
     public function merge($prefs)
     {
@@ -187,12 +200,30 @@
      * Merge the given prefs over the current config
      * and make sure that they survive further merging.
      *
-     * @param array  Hash array with user prefs
+     * @param array $prefs Hash array with user prefs
      */
     public function set_user_prefs($prefs)
     {
+        // Honor the dont_override setting for any existing user preferences
+        $dont_override = $this->get('dont_override');
+        if (is_array($dont_override) && !empty($dont_override)) {
+            foreach ($prefs as $key => $pref) {
+                if (in_array($key, $dont_override)) {
+                    unset($prefs[$key]);
+                }
+            }
+        }
+
         $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']) ? $_SESSION['timezone'] : $this->prop['_timezone_value'];
+            $this->prop['dst_active'] = isset($_SESSION['dst_active']) ? $_SESSION['dst_active'] : $this->prop['dst_active'];
+        }
+        else if (isset($this->prop['_timezone_value']))
+           unset($this->prop['_timezone_value']);
     }
 
 
@@ -206,11 +237,20 @@
         return $this->prop;
     }
 
+    /**
+     * Special getter for user's timezone offset including DST
+     *
+     * @return float  Timezone offset (in hours)
+     */
+    public function get_timezone()
+    {
+      return floatval($this->get('timezone')) + intval($this->get('dst_active'));
+    }
 
     /**
      * Return requested DES crypto key.
      *
-     * @param string Crypto key name
+     * @param string $key Crypto key name
      * @return string Crypto key
      */
     public function get_crypto_key($key)
@@ -274,8 +314,8 @@
     /**
      * Return the mail domain configured for the given host
      *
-     * @param string  IMAP host
-     * @param boolean If true, domain name will be converted to IDN ASCII
+     * @param string  $host   IMAP host
+     * @param boolean $encode If true, domain name will be converted to IDN ASCII
      * @return string Resolved SMTP host
      */
     public function mail_domain($host, $encode=true)
@@ -290,7 +330,7 @@
             $domain = rcube_parse_host($this->prop['mail_domain']);
 
         if ($encode)
-            $domain = idn_to_ascii($domain);
+            $domain = rcube_idn_to_ascii($domain);
 
         return $domain;
     }

--
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