From 42e328a85f5880e3e767eebaaa88b55a2b49d2ff Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 19 Sep 2008 15:42:11 -0400
Subject: [PATCH] Indent with spaces not tabs. Please respect our code-style when creating patches!

---
 program/include/rcube_shared.inc |  262 ++++++++++------------------------------------------
 1 files changed, 51 insertions(+), 211 deletions(-)

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index f3ff0aa..4d35a4d 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -28,177 +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 $bw;
-}
-
-
-/**
- * Get localized text in the desired language
- *
- * @param mixed Named parameters array or label name
- * @return string Localized text
- */
-function rcube_label($attrib)
-{
-  global $sess_user_lang, $OUTPUT;
-  static $sa_text_data, $s_language, $utf8_decode;
-
-  // extract attributes
-  if (is_string($attrib))
-    $attrib = array('name' => $attrib);
-    
-  $nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
-  $vars = isset($attrib['vars']) ? $attrib['vars'] : '';
-
-  $command_name = !empty($attrib['command']) ? $attrib['command'] : NULL;
-  $alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
-
-
-  // load localized texts
-  if (!$sa_text_data || $s_language != $sess_user_lang)
-    {
-    $sa_text_data = array();
-    
-    // get english labels (these should be complete)
-    @include(INSTALL_PATH.'program/localization/en_US/labels.inc');
-    @include(INSTALL_PATH.'program/localization/en_US/messages.inc');
-
-    if (is_array($labels))
-      $sa_text_data = $labels;
-    if (is_array($messages))
-      $sa_text_data = array_merge($sa_text_data, $messages);
-    
-    // include user language files
-    if ($sess_user_lang!='en' && is_dir(INSTALL_PATH.'program/localization/'.$sess_user_lang))
-    {
-      include_once(INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc');
-      include_once(INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc');
-
-      if (is_array($labels))
-        $sa_text_data = array_merge($sa_text_data, $labels);
-      if (is_array($messages))
-        $sa_text_data = array_merge($sa_text_data, $messages);
-    }
-      
-    $s_language = $sess_user_lang;
-  }
-
-  // text does not exist
-  if (!($text_item = $sa_text_data[$alias]))
-  {
-    /*
-    raise_error(array(
-      'code' => 500,
-      'type' => 'php',
-      'line' => __LINE__,
-      'file' => __FILE__,
-      'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE);
-    */
-    return "[$alias]";
-  }
-
-  // make text item array 
-  $a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
-
-  // decide which text to use
-  if ($nr==1)
-    $text = $a_text_item['single'];
-  else if ($nr>0)
-    $text = $a_text_item['multiple'];
-  else if ($nr==0)
-  {
-    if ($a_text_item['none'])
-      $text = $a_text_item['none'];
-    else if ($a_text_item['single'])
-      $text = $a_text_item['single'];
-    else if ($a_text_item['multiple'])
-      $text = $a_text_item['multiple'];
-  }
-
-  // default text is single
-  if ($text=='')
-    $text = $a_text_item['single'];
-
-  // replace vars in text
-  if (is_array($attrib['vars']))
-  {
-    foreach ($attrib['vars'] as $var_key=>$var_value)
-      $a_replace_vars[substr($var_key, 0, 1)=='$' ? substr($var_key, 1) : $var_key] = $var_value;
-  }
-
-  if ($a_replace_vars)
-    $text = preg_replace('/\${?([_a-z]{1}[_a-z0-9]*)}?/ei', '$a_replace_vars["\1"]', $text);
-
-  // remove variables in text which were not available in arg $vars and $nr
-  eval("\$text = <<<EOF
-$text
-EOF;
-");
-
-  // format output
-  if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
-    return ucfirst($text);
-  else if ($attrib['uppercase'])
-    return strtoupper($text);
-  else if ($attrib['lowercase'])
-    return strtolower($text);
-
-  return $text;
-}
-
-
-/**
  * Send HTTP headers to prevent caching this page
  */
 function send_nocacheing_headers()
@@ -208,8 +37,14 @@
 
   header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
   header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
-  header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+  header("Cache-Control: private, no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
   header("Pragma: no-cache");
+  
+  // We need to set the following headers to make downloads work using IE in HTTPS mode.
+  if (isset($_SERVER['HTTPS'])) {
+    header('Pragma: ');
+    header('Cache-Control: ');
+  }
 }
 
 
@@ -659,29 +494,6 @@
 
 
 /**
- * Return the last occurence of a string in another string
- *
- * @param haystack string string in which to search
- * @param needle string string for which to search
- * @return index of needle within haystack, or false if not found
- */
-function strrstr($haystack, $needle)
-{
-  $pver = phpversion();
-  if ($pver[0] >= 5)
-      return strrpos($haystack, $needle);
-  else
-  {
-    $index = strpos(strrev($haystack), strrev($needle));
-    if($index === false)
-        return false;
-    
-    $index = strlen($haystack) - strlen($needle) - $index;
-    return $index;
-  }
-}
-
-/**
  * A method to guess the mime_type of an attachment.
  *
  * @param string $path     Path to the file.
@@ -692,31 +504,59 @@
  * @see    http://de2.php.net/manual/en/ref.fileinfo.php
  * @see    http://de2.php.net/mime_content_type
  */
-function rc_mime_content_type($path, $failover = 'unknown/unknown')
+function rc_mime_content_type($path, $failover = 'application/octet-stream')
 {
-    global $CONFIG;
+    $mime_type = null;
+    $mime_magic = rcmail::get_instance()->config->get('mime_magic');
 
-    $mime_magic = $CONFIG['mime_magic'];
-
-    if (function_exists('mime_content_type')) {
-        return mime_content_type($path);
+    if (!extension_loaded('fileinfo')) {
+        @dl('fileinfo.' . PHP_SHLIB_SUFFIX);
     }
-    if (!extension_loaded('fileinfo')) { 
-        if (!dl('fileinfo.' . PHP_SHLIB_SUFFIX)) {
-            return $failover;
+
+    if (function_exists('finfo_open')) {
+        if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
+            $mime_type = finfo_file($finfo, $path);
+            finfo_close($finfo);
         }
     }
-    $finfo = finfo_open(FILEINFO_MIME, $mime_magic);
-    if (!$finfo) {
-        return $failover;
+    if (!$mime_type && function_exists('mime_content_type')) {
+      $mime_type = mime_content_type($path); 
     }
-    $mime_type = finfo_file($finfo,$path);
+    
     if (!$mime_type) {
-        return $failover;
+        $mime_type = $failover;
     }
-    finfo_close($finfo);
 
     return $mime_type;
 }
 
-?>
\ No newline at end of file
+
+/**
+ * A method to guess encoding of a string.
+ *
+ * @param string $string     	String.
+ * @param string $failover 	Default result for failover.
+ *
+ * @return string
+ */
+function rc_detect_encoding($string, $failover='')
+{
+    if (!function_exists('mb_detect_encoding')) {
+        return $failover;
+    }
+
+    // FIXME: the order is important, because sometimes 
+    // iso string is detected as euc-jp and etc.
+    $enc = array(
+	'UTF-8', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
+	'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
+	'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
+	'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R'
+    );
+
+    $result = mb_detect_encoding($string, join(',', $enc));
+
+    return $result ? $result : $failover;
+}
+
+?>

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