Auto-detect client language and timezone if desired by config/prefs

5 files changed, 25 insertions, 66 deletions

diff --git a/program/include/main.inc b/program/include/main.inc
index 83ed8c02e..469d8441c 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -706,9 +706,13 @@ function format_date($date, $format=NULL)
     return '';
    
   // get user's timezone
-  $tz = $CONFIG['timezone'];
-  if ($CONFIG['dst_active'])
-    $tz++;
+  if ($CONFIG['timezone'] == 'auto')
+    $tz = isset($_SESSION['timezone']) ? $_SESSION['timezone'] : intval(date('O'))/100;
+  else {
+    $tz = $CONFIG['timezone'];
+    if ($CONFIG['dst_active'])
+      $tz++;
+  }
 
   // convert time to user's timezone
   $timestamp = $ts - date('Z', $ts) + ($tz * 3600);
diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 348a91675..243b6f835 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -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 $
 
 */
 
@@ -167,7 +167,7 @@ class rcmail
       $this->config->merge((array)$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, $_SESSION['language'] . '.utf8');
@@ -183,7 +183,13 @@ class rcmail
   private function language_prop($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');
     }
@@ -471,6 +477,9 @@ class rcmail
       $_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
       $this->set_imap_prop();
@@ -641,7 +650,7 @@ class rcmail
    */
   public function load_language($lang = null)
   {
-    $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']) {
@@ -748,7 +757,7 @@ class rcmail
       $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);
+    $_SESSION = array('language' => $this->user->language, 'auth_time' => time(), 'temp' => true);
     setcookie('sessauth', '-del-', time() - 60);
     $this->user->reset();
   }
diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index 43f735ba9..98e688d02 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -84,9 +84,9 @@ class rcube_config
       ini_set('log_errors', 1);
 
       if ($this->prop['log_driver'] == 'syslog') {
-	ini_set('error_log', 'syslog');
+        ini_set('error_log', 'syslog');
       } else {
-	ini_set('error_log', $this->prop['log_dir'].'/errors');
+        ini_set('error_log', $this->prop['log_dir'].'/errors');
       }
     }
     if ($this->prop['debug_level'] & 4) {
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index d82b1fef0..0dd661ec5 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -28,62 +28,6 @@
 
 
 /**
- * Provide details about the client's browser
- *
- * @return array Key-value pairs of browser properties
- */
-function rcube_browser()
-{
-  $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
-
-  $bw['ver'] = 0;
-  $bw['win'] = stristr($HTTP_USER_AGENT, 'win');
-  $bw['mac'] = stristr($HTTP_USER_AGENT, 'mac');
-  $bw['linux'] = stristr($HTTP_USER_AGENT, 'linux');
-  $bw['unix']  = stristr($HTTP_USER_AGENT, 'unix');
-
-  $bw['ns4'] = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie');
-  $bw['ns']  = ($bw['ns4'] || stristr($HTTP_USER_AGENT, 'netscape'));
-  $bw['ie']  = stristr($HTTP_USER_AGENT, 'msie');
-  $bw['mz']  = stristr($HTTP_USER_AGENT, 'mozilla/5');
-  $bw['opera'] = stristr($HTTP_USER_AGENT, 'opera');
-  $bw['safari'] = stristr($HTTP_USER_AGENT, 'safari');
-
-  if($bw['ns'])
-  {
-    $test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs);
-    $bw['ver'] = $test ? (float)$regs[1] : 0;
-  }
-  if($bw['mz'])
-  {
-    $test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs);
-    $bw['ver'] = $test ? (float)$regs[1] : 0;
-  }
-  if($bw['ie'])
-  {
-    $test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
-    $bw['ver'] = $test ? (float)$regs[1] : 0;
-  }
-  if($bw['opera'])
-  {
-    $test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
-    $bw['ver'] = $test ? (float)$regs[1] : 0;
-  }
-
-  if(eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs))
-    $bw['lang'] =  $regs[1];
-  else
-    $bw['lang'] =  'en';
-
-  $bw['dom'] = ($bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5) || ($bw['opera'] && $bw['ver']>=7));
-  $bw['pngalpha'] = $bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5.5) ||
-                    ($bw['ie'] && $bw['ver']>=5 && $bw['mac']) || ($bw['opera'] && $bw['ver']>=7) ? TRUE : FALSE;
-
-  return $bw;
-}
-
-
-/**
  * Send HTTP headers to prevent caching this page
  */
 function send_nocacheing_headers()
diff --git a/program/include/rcube_template.php b/program/include/rcube_template.php
index db2275ed4..847ea0df5 100755
--- a/program/include/rcube_template.php
+++ b/program/include/rcube_template.php
@@ -922,6 +922,7 @@ class rcube_template extends rcube_html_page
         $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30) + $attrib);
         $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30) + $attrib);
         $input_action = new html_hiddenfield(array('name' => '_action', 'value' => 'login'));
+        $input_tzone  = new html_hiddenfield(array('name' => '_timezone', 'id' => 'rcmlogintz', 'value' => '_default_'));
         $input_host   = null;
 
         if (is_array($default_host)) {
@@ -960,6 +961,7 @@ class rcube_template extends rcube_html_page
         }
 
         $out = $input_action->show();
+        $out .= $input_tzone->show();
         $out .= $table->show();
 
         // surround html output with a form tag