From 745b1466fc76d5ded589e2469328086002430c1c Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 22 Feb 2006 16:58:00 -0500
Subject: [PATCH] Updated localizations

---
 program/include/main.inc |  205 ++++++++++++++++++++++++++++++++++----------------
 1 files changed, 138 insertions(+), 67 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index e40ab09..244e902 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -21,6 +21,7 @@
 
 require_once('lib/des.inc');
 require_once('lib/utf7.inc');
+require_once('lib/utf8.class.php');
 
 
 // register session and connect to server
@@ -70,7 +71,7 @@
 
   // we can use the database for storing session data
   // session queries do not work with MDB2
-  if ($CONFIG['db_backend']!='mdb2' && is_object($DB) /* && $DB->db_provider!='sqlite' */)
+  if ($CONFIG['db_backend']!='mdb2' && is_object($DB))
     include_once('include/session.inc');
 
 
@@ -264,7 +265,7 @@
     $lang = $rcube_language_aliases[$lang];
     
   // try the first two chars
-  if (!isset($rcube_languages[$lang]) && strlen($lang>2))
+  if (!isset($rcube_languages[$lang]) && strlen($lang)>2)
     {
     $lang = substr($lang, 0, 2);
     $lang = rcube_language_prop($lang);
@@ -279,6 +280,7 @@
   else
     $charset = 'UTF-8';    
 
+
   if ($prop=='charset')
     return $charset;
   else
@@ -289,7 +291,7 @@
 // init output object for GUI and add common scripts
 function load_gui()
   {
-  global $CONFIG, $OUTPUT, $COMM_PATH, $JS_OBJECT_NAME, $CHARSET, $sess_user_lang;
+  global $CONFIG, $OUTPUT, $COMM_PATH, $JS_OBJECT_NAME, $sess_user_lang;
 
   // init output page
   $OUTPUT = new rcube_html_page();
@@ -305,16 +307,12 @@
   $OUTPUT->include_script('program/js/common.js');
   $OUTPUT->include_script('program/js/app.js');
 
+  // set locale setting
+  rcmail_set_locale($sess_user_lang);
+
   // set user-selected charset
   if (!empty($CONFIG['charset']))
-    {
     $OUTPUT->set_charset($CONFIG['charset']);
-    $CHARSET = $CONFIG['charset'];
-    }
-  else
-    {
-    rcmail_set_locale($sess_user_lang);
-    }
 
   // add some basic label to client
   rcube_add_label('loading');
@@ -324,10 +322,40 @@
 // set localization charset based on the given language
 function rcmail_set_locale($lang)
   {
-  global $OUTPUT, $CHARSET;
+  global $OUTPUT, $MBSTRING, $MBSTRING_ENCODING;
+  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");
 
-  $CHARSET = rcube_language_prop($lang, 'charset');
-  $OUTPUT->set_charset($CHARSET);
+       $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
+    }
+
+  $OUTPUT->set_charset(rcube_language_prop($lang, 'charset'));
   }
 
 
@@ -454,13 +482,22 @@
 
     $user_name = $user!=$user_email ? $user : '';
 
-    // also create a new identity record
+    // 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];
+      }
+
+    // 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 = $IMAP->list_mailboxes();
@@ -625,6 +662,7 @@
 // send correct response on a remote request
 function rcube_remote_response($js_code, $flush=FALSE)
   {
+  global $OUTPUT, $CHARSET;
   static $s_header_sent = FALSE;
   
   if (!$s_header_sent)
@@ -636,7 +674,7 @@
     }
 
   // send response code
-  print $js_code;
+  print rcube_charset_convert($js_code, $CHARSET, $OUTPUT->get_charset());
 
   if ($flush)  // flush the output buffer
     flush();
@@ -668,7 +706,6 @@
       closedir($dh);
       }
     }
-
   return $sa_languages;
   }
 
@@ -703,40 +740,83 @@
   }
 
 
-
-// decode characters from any charset to UTF-8
-function decode_specialchars($input, $charset='')
+// remove all expired message cache records
+function rcmail_message_cache_gc()
   {
-  global $CHARSET;
-  $charset = strtolower($charset);
+  global $DB, $CONFIG;
   
-  if ($charset=='utf-7')
-    $output = UTF7DecodeString($input);
-  else if ($charset=='utf-8' && $CHARSET!='UTF-8' && function_exists('utf8_decode'))
-    $output = utf8_decode($input);
-  else if ($charset=="koi8-r")
-    $output = convert_cyr_string($input, 'k', 'w');
-  else if ($charset=="iso8859-5")
-    $output = convert_cyr_string($input, 'i', 'w');
-  else if ($charset=="x-cp866")
-    $output = convert_cyr_string($input, 'a', 'w');
-  else if ($charset=="x-mac-cyrillic")
-    $output = convert_cyr_string($input, 'm', 'w');
-  else
-    $output = $input;
-    
-  // encode string for output
-  if ($CHARSET=='UTF-8' && $charset!='utf-8' && function_exists('utf8_encode'))
-    $output = utf8_encode($output);
-
-  return $output;
+  // no cache lifetime configured
+  if (empty($CONFIG['message_cache_lifetime']))
+    return;
+  
+  // get target timestamp
+  $ts = get_offset_time($CONFIG['message_cache_lifetime'], -1);
+  
+  $DB->query("DELETE FROM ".get_table_name('messages')."
+             WHERE  created < ".$DB->fromunixtime($ts));
   }
+
+
+// convert a string from one charset to another
+// this function is not complete and not tested well
+function rcube_charset_convert($str, $from, $to=NULL)
+  {
+  global $MBSTRING, $MBSTRING_ENCODING;
+
+  $from = strtoupper($from);
+  $to = $to==NULL ? strtoupper($GLOBALS['CHARSET']) : strtoupper($to);
+
+  if ($from==$to)
+    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);
+    }
+
+  // convert charset using iconv module  
+  if (function_exists('iconv') && $from!='UTF-7' && $to!='UTF-7')
+    return iconv($from, $to, $str);
+
+  $conv = new utf8();
+
+  // convert string to UTF-8
+  if ($from=='UTF-7')
+    $str = rcube_charset_convert(UTF7DecodeString($str), 'ISO-8859-1');
+  else if ($from=='ISO-8859-1' && function_exists('utf8_encode'))
+    $str = utf8_encode($str);
+  else if ($from!='UTF-8')
+    {
+    $conv->loadCharset($from);
+    $str = $conv->strToUtf8($str);
+    }
+
+  // encode string for output
+  if ($to=='UTF-7')
+    return UTF7EncodeString($str);
+  else if ($to=='ISO-8859-1' && function_exists('utf8_decode'))
+    return utf8_decode($str);
+  else if ($to!='UTF-8')
+    {
+    $conv->loadCharset($to);
+    return $conv->utf8ToStr($str);
+    }
+
+  // return UTF-8 string
+  return $str;
+  }
+
 
 
 // replace specials characters to a specific encoding type
 function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
   {
-  global $OUTPUT_TYPE, $CHARSET;
+  global $OUTPUT_TYPE, $OUTPUT;
   static $html_encode_arr, $js_rep_table, $rtf_rep_table, $xml_rep_table;
 
   if (!$enctype)
@@ -787,6 +867,7 @@
   if (!$js_rep_table)
     {
     $js_rep_table = $rtf_rep_table = $xml_rep_table = array();
+    $xml_rep_table['&'] = '&amp;';
 
     for ($c=160; $c<256; $c++)  // can be increased to support more charsets
       {
@@ -794,7 +875,7 @@
       $rtf_rep_table[Chr($c)] = "\\'$hex";
       $xml_rep_table[Chr($c)] = "&#$c;";
       
-      if ($CHARSET=='ISO-8859-1')
+      if ($OUTPUT->get_charset()=='ISO-8859-1')
         $js_rep_table[Chr($c)] = sprintf("\u%s%s", str_repeat('0', 4-strlen($hex)), $hex);
       }
 
@@ -808,7 +889,12 @@
 
   // encode for javascript use
   if ($enctype=='js')
+    {
+    if ($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));
+    }
 
   // encode for RTF
   if ($enctype=='rtf')
@@ -818,26 +904,6 @@
   return $str;
   }
 
-
-// convert a string from one charset to another
-// this function is not complete and not tested well
-function rcube_charset_convert($str, $from, $to)
-  {
-  $charset = strtolower($to);
-  
-  if (strtolower($from)==$charset)
-    return $str;
-  
-  $str = decode_specialchars($str, $from);
-  
-  if ($charset=='utf-8' && function_exists('utf8_encode'))
-    return utf8_encode($str);
-  else if ($charset=='utf-7')
-    return UTF7EncodeString($str);
-
-  return $str;
-  }
-  
 
 
 // ************** template parsing and gui functions **************
@@ -972,6 +1038,7 @@
         'message' => 'rcmail_message_container',
         'messages' => 'rcmail_message_list',
         'messagecountdisplay' => 'rcmail_messagecount_display',
+        'quotadisplay' => 'rcmail_quota_display',
         'messageheaders' => 'rcmail_message_headers',
         'messagebody' => 'rcmail_message_body',
         'messageattachments' => 'rcmail_message_attachments',
@@ -1022,7 +1089,7 @@
         else if (isset($GLOBALS['PAGE_TITLE']))
           $title .= $GLOBALS['PAGE_TITLE'];
         else if ($task=='mail' && ($mbox_name = $IMAP->get_mailbox_name()))
-          $title .= $OUTPUT->encode_string(UTF7DecodeString($mbox_name));
+          $title .= rcube_charset_convert($mbox_name, 'UTF-7', 'UTF-8');
         else
           $title .= $task;
           
@@ -1480,9 +1547,10 @@
   }
 
 
-
 function rcmail_charset_selector($attrib)
   {
+  global $OUTPUT;
+  
   // pass the following attributes to the form class
   $field_attrib = array('name' => '_charset');
   foreach ($attrib as $attr => $value)
@@ -1491,10 +1559,11 @@
       
   $charsets = array(
     'US-ASCII'     => 'ASCII (English)',
-    'X-EUC-JP'     => 'EUC-JP (Japanese)',
+    'EUC-JP'       => 'EUC-JP (Japanese)',
     'EUC-KR'       => 'EUC-KR (Korean)',
     'BIG5'         => 'BIG5 (Chinese)',
     'GB2312'       => 'GB2312 (Chinese)',
+    'ISO-2022-JP'  => 'ISO-2022-JP (Japanese)',
     'ISO-8859-1'   => 'ISO-8859-1 (Latin-1)',
     'ISO-8859-2'   => 'ISO-8895-2 (Central European)',
     'ISO-8859-7'   => 'ISO-8859-7 (Greek)',
@@ -1510,11 +1579,13 @@
   $select = new select($field_attrib);
   $select->add(array_values($charsets), array_keys($charsets));
   
-  $set = $_POST['_charset'] ? $_POST['_charset'] : $GLOBALS['CHARSET'];
+  $set = $_POST['_charset'] ? $_POST['_charset'] : $OUTPUT->get_charset();
   return $select->show($set);
   }
 
 
+/****** debugging function ********/
+
 function rcube_timer()
   {
   list($usec, $sec) = explode(" ", microtime());

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