| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
- $Id: rcube_shared.inc 1255 2008-04-05 12:49:21Z thomasb $
+ $Id: rcube_shared.inc 2147 2008-12-11 17:29:50Z alec $
*/
*/
-/**
- * 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, $INSTALL_PATH, $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 $text;
-}
-
-
/**
* Send HTTP headers to prevent caching this page
*/
header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
- header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+ header("Cache-Control: private, must-revalidate, post-check=0, pre-check=0");
header("Pragma: no-cache");
+
+ // We need to set the following headers to make downloads work using IE in HTTPS mode.
+ if (isset($_SERVER['HTTPS'])) {
+ header('Pragma: ');
+ header('Cache-Control: ');
+ }
}
* @param int Modified date as unix timestamp
* @param string Etag value for caching
*/
-function send_modified_header($mdate, $etag=null)
+function send_modified_header($mdate, $etag=null, $skip_check=false)
{
if (headers_sent())
return;
$iscached = false;
- if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $mdate)
- $iscached = true;
-
$etag = $etag ? "\"$etag\"" : null;
- if ($etag)
- $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
+
+ if (!$skip_check)
+ {
+ if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $mdate)
+ $iscached = true;
+
+ if ($etag)
+ $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
+ }
if ($iscached)
header("HTTP/1.x 304 Not Modified");
}
+/**
+ * Returns whether an $str is a reserved word for any of the version of Javascript or ECMAScript
+ * @param str String to check
+ * @return boolean True if $str is a reserver word, False if not
+ */
+function is_js_reserved_word($str)
+{
+ return in_array($str, array(
+ // ECMASript ver 4 reserved words
+ 'as','break','case','catch','class','const','continue',
+ 'default','delete','do','else','export','extends','false','finally','for','function',
+ 'if','import','in','instanceof','is','namespace','new','null','package','private',
+ 'public','return','super','switch','this','throw','true','try','typeof','use','var',
+ 'void','while','with',
+ // ECMAScript ver 4 future reserved words
+ 'abstract','debugger','enum','goto','implements','interface','native','protected',
+ 'synchronized','throws','transient','volatile',
+ // special meaning in some contexts
+ 'get','set',
+ // were reserved in ECMAScript ver 3
+ 'boolean','byte','char','double','final','float','int','long','short','static'
+ ));
+}
+
+
/**
* Convert a variable into a javascript object notation
*
foreach ($var as $key => $value)
{
// enclose key with quotes if it is not variable-name conform
- if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) /* || is_js_reserved_word($key) */)
+ if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) || is_js_reserved_word($key))
$key = "'$key'";
$pairs[] = sprintf("%s%s", $is_assoc ? "$key:" : '', json_serialize($value));
return $brackets{0} . implode(',', $pairs) . $brackets{1};
}
}
- else if (is_numeric($var) && strval(intval($var)) === strval($var))
+ else if (!is_string($var) && strval(intval($var)) === strval($var))
return $var;
else if (is_bool($var))
return $var ? '1' : '0';
}
+
/**
* Function to convert an array to a javascript array
* Actually an alias function for json_serialize()
*/
function in_array_nocase($needle, $haystack)
{
+ $needle = rc_strtolower($needle);
foreach ($haystack as $value)
- if (strtolower($needle)===strtolower($value))
+ if ($needle===rc_strtolower($value))
return true;
return false;
if ($bytes > 1073741824)
{
$gb = $bytes/1073741824;
- $str = sprintf($gb>=10 ? "%d GB" : "%.1f GB", $gb);
+ $str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . rcube_label('GB');
}
else if ($bytes > 1048576)
{
$mb = $bytes/1048576;
- $str = sprintf($mb>=10 ? "%d MB" : "%.1f MB", $mb);
+ $str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . rcube_label('MB');
}
else if ($bytes > 1024)
- $str = sprintf("%d KB", round($bytes/1024));
+ $str = sprintf("%d ", round($bytes/1024)) . rcube_label('KB');
else
- $str = sprintf('%d B', $bytes);
+ $str = sprintf('%d ', $bytes) . rcube_label('B');
return $str;
}
return strtolower($str);
}
+/**
+ * Wrapper function for strtoupper
+ */
+function rc_strtoupper($str)
+{
+ if (function_exists('mb_strtoupper'))
+ return mb_strtoupper($str);
+ else
+ return strtoupper($str);
+}
+
/**
* Wrapper function for substr
*/
}
-/**
- * Return the last occurence of a string in another string
- *
- * @param haystack string string in which to search
- * @param needle string string for which to search
- * @return index of needle within haystack, or false if not found
- */
-function strrstr($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 $index;
- }
-}
-
/**
* A method to guess the mime_type of an attachment.
*
* @see http://de2.php.net/manual/en/ref.fileinfo.php
* @see http://de2.php.net/mime_content_type
*/
-function rc_mime_content_type($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', 'SJIS', 'BIG5', 'GB2312',
+ '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',
+ 'ISO-2022-KR', 'ISO-2022-JP'
+ );
+
+ $result = mb_detect_encoding($string, join(',', $enc));
+
+ return $result ? $result : $failover;
+}
+
+?>