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<?php
/**
* @package JCE
* @copyright Copyright © 2009-2011 Ryan Demmer. All rights reserved.
* @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* JCE is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
defined('_JEXEC') or die('RESTRICTED');
class WFUtility
{
public function getExtension($path)
{
$dot = strrpos($path, '.') + 1;
return substr($path, $dot);
}
public function stripExtension($path)
{
$dot = strrpos($path, '.');
return substr($path, 0, $dot);
}
public function cleanPath($path)
{
return preg_replace('#[/\\\\]+#', '/', trim($path));
}
/**
* Append a / to the path if required.
* @param string $path the path
* @return string path with trailing /
*/
public function fixPath($path)
{
return self::cleanPath($path . '/');
}
public function checkPath($path)
{
if (strpos($path, '..') !== false) {
JError::raiseError(403, 'RELATIVE PATHS NOT PERMITTED'); // don't translate
exit();
}
}
/**
* Concat two paths together. Basically $a + $b
* @param string $a path one
* @param string $b path two
* @return string $a DIRECTORY_SEPARATOR $b
*/
public function makePath($a, $b)
{
return self::cleanPath($a . '/' . $b);
}
private function utf8_latin_to_ascii( $subject ){
static $CHARS = NULL;
if (is_null($CHARS)) {
$CHARS = array(
'À'=>'A','Á'=>'A','Â'=>'A','Ã'=>'A','Ä'=>'A','Å'=>'A','Æ'=>'AE',
'Ç'=>'C','È'=>'E','É'=>'E','Ê'=>'E','Ë'=>'E','Ì'=>'I','Í'=>'I','Î'=>'I','Ï'=>'I',
'Ð'=>'D','Ñ'=>'N','Ò'=>'O','Ó'=>'O','Ô'=>'O','Õ'=>'O','Ö'=>'O','Ø'=>'O',
'Ù'=>'U','Ú'=>'U','Û'=>'U','Ü'=>'U','Ý'=>'Y','ß'=>'s',
'à'=>'a','á'=>'a','â'=>'a','ã'=>'a','ä'=>'a','å'=>'a','æ'=>'ae',
'ç'=>'c','è'=>'e','é'=>'e','ê'=>'e','ë'=>'e','ì'=>'i','í'=>'i','î'=>'i','ï'=>'i',
'ñ'=>'n','ò'=>'o','ó'=>'o','ô'=>'o','õ'=>'o','ö'=>'o','ø'=>'o','ù'=>'u','ú'=>'u','û'=>'u','ü'=>'u',
'ý'=>'y','ÿ'=>'y','Ā'=>'A','ā'=>'a','Ă'=>'A','ă'=>'a','Ą'=>'A','ą'=>'a',
'Ć'=>'C','ć'=>'c','Ĉ'=>'C','ĉ'=>'c','Ċ'=>'C','ċ'=>'c','Č'=>'C','č'=>'c','Ď'=>'D','ď'=>'d','Đ'=>'D','đ'=>'d',
'Ē'=>'E','ē'=>'e','Ĕ'=>'E','ĕ'=>'e','Ė'=>'E','ė'=>'e','Ę'=>'E','ę'=>'e','Ě'=>'E','ě'=>'e',
'Ĝ'=>'G','ĝ'=>'g','Ğ'=>'G','ğ'=>'g','Ġ'=>'G','ġ'=>'g','Ģ'=>'G','ģ'=>'g','Ĥ'=>'H','ĥ'=>'h','Ħ'=>'H','ħ'=>'h',
'Ĩ'=>'I','ĩ'=>'i','Ī'=>'I','ī'=>'i','Ĭ'=>'I','ĭ'=>'i','Į'=>'I','į'=>'i','İ'=>'I','ı'=>'i',
'IJ'=>'IJ','ij'=>'ij','Ĵ'=>'J','ĵ'=>'j','Ķ'=>'K','ķ'=>'k','Ĺ'=>'L','ĺ'=>'l','Ļ'=>'L','ļ'=>'l','Ľ'=>'L','ľ'=>'l','Ŀ'=>'L','ŀ'=>'l','Ł'=>'l','ł'=>'l',
'Ń'=>'N','ń'=>'n','Ņ'=>'N','ņ'=>'n','Ň'=>'N','ň'=>'n','ʼn'=>'n','Ō'=>'O','ō'=>'o','Ŏ'=>'O','ŏ'=>'o','Ő'=>'O','ő'=>'o','Œ'=>'OE','œ'=>'oe',
'Ŕ'=>'R','ŕ'=>'r','Ŗ'=>'R','ŗ'=>'r','Ř'=>'R','ř'=>'r','Ś'=>'S','ś'=>'s','Ŝ'=>'S','ŝ'=>'s','Ş'=>'S','ş'=>'s','Š'=>'S','š'=>'s',
'Ţ'=>'T','ţ'=>'t','Ť'=>'T','ť'=>'t','Ŧ'=>'T','ŧ'=>'t','Ũ'=>'U','ũ'=>'u','Ū'=>'U','ū'=>'u','Ŭ'=>'U','ŭ'=>'u','Ů'=>'U','ů'=>'u','Ű'=>'U','ű'=>'u','Ų'=>'U','ų'=>'u',
'Ŵ'=>'W','ŵ'=>'w','Ŷ'=>'Y','ŷ'=>'y','Ÿ'=>'Y','Ź'=>'Z','ź'=>'z','Ż'=>'Z','ż'=>'z','Ž'=>'Z','ž'=>'z','ſ'=>'s','ƒ'=>'f','Ơ'=>'O','ơ'=>'o','Ư'=>'U','ư'=>'u',
'Ǎ'=>'A','ǎ'=>'a','Ǐ'=>'I','ǐ'=>'i','Ǒ'=>'O','ǒ'=>'o','Ǔ'=>'U','ǔ'=>'u','Ǖ'=>'U','ǖ'=>'u','Ǘ'=>'U','ǘ'=>'u','Ǚ'=>'U','ǚ'=>'u','Ǜ'=>'U','ǜ'=>'u',
'Ǻ'=>'A','ǻ'=>'a','Ǽ'=>'AE','ǽ'=>'ae','Ǿ'=>'O','ǿ'=>'o'
);
}
return str_replace(array_keys($CHARS), array_values($CHARS), $subject);
}
/**
* Makes file name safe to use
* @param mixed The name of the file (not full path)
* @return mixed The sanitised string or array
*/
public function makeSafe($subject, $mode = 'utf-8')
{
// remove multiple . characters
$search = array('#(\.){2,}#');
switch($mode) {
default:
case 'utf-8':
$search[] = '#[^a-zA-Z0-9_\.\-\s~ \p{L}\p{N}]#u';
break;
case 'ascii':
$subject = self::utf8_latin_to_ascii($subject);
$search[] = '#[^a-zA-Z0-9_\.\-\s~ ]#';
break;
}
// strip leading .
$search[] = '#^\.*#';
// strip whitespace
$saerch[] = '#^\s*|\s*$#';
return preg_replace($search, '', $subject);
}
/**
* Format the file size, limits to Mb.
* @param int $size the raw filesize
* @return string formated file size.
*/
public function formatSize($size)
{
if ($size < 1024) {
return $size . ' ' . WFText::_('WF_LABEL_BYTES');
} else if ($size >= 1024 && $size < 1024 * 1024) {
return sprintf('%01.2f', $size / 1024.0) . ' ' . WFText::_('WF_LABEL_KB');
} else {
return sprintf('%01.2f', $size / (1024.0 * 1024)) . ' ' . WFText::_('WF_LABEL_MB');
}
}
/**
* Format the date.
* @param int $date the unix datestamp
* @return string formated date.
*/
public function formatDate($date, $format = "%d/%m/%Y, %H:%M")
{
return strftime($format, $date);
}
/**
* Get the modified date of a file
*
* @return Formatted modified date
* @param string $file Absolute path to file
*/
public function getDate($file)
{
return self::formatDate(@filemtime($file));
}
/**
* Get the size of a file
*
* @return Formatted filesize value
* @param string $file Absolute path to file
*/
public function getSize($file)
{
return self::formatSize(@filesize($file));
}
public function isUtf8($string)
{
if (!function_exists('mb_detect_encoding')) {
// From http://w3.org/International/questions/qa-forms-utf-8.html
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}
return mb_detect_encoding($string, 'UTF-8', true);
}
/**
* Convert size value to bytes
*/
public function convertSize($value)
{
// Convert to bytes
switch(strtolower($value{strlen($value)-1})) {
case 'g':
$value = intval($value) * 1073741824;
break;
case 'm':
$value = intval($value) * 1048576;
break;
case 'k':
$value = intval($value) * 1024;
break;
}
return $value;
}
}
?>