/**
* check_mime_type
*
* @param string $fname path to filename
* @access public
* @return string the mime type of the offended file.
* @notes DO NOT use this function for any security related
* task (i.e limiting file uploads by type)
* it wasn't designed for that purpose but to UI related tasks.
*/
public static function check_mime_type($fname)
{
$type = '';
if (extension_loaded('fileinfo') && class_exists('finfo')) {
$info = new finfo(FILEINFO_MIME);
$type = $info->file($fname);
} elseif (function_exists('mime_content_type')) {
$type = @mime_content_type($fname);
// I hope we don't have to...
} elseif (!FlySpray::function_disabled('exec') && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' && php_uname('s') !== 'SunOS') {
$type = @exec(sprintf('file -bi %s', escapeshellarg($fname)));
}
// if wasn't possible to determine , return empty string so
// we can use the browser reported mime-type (probably fake)
return trim($type);
}
/**
* check_mime_type
*
* @param string $fname path to filename
* @access public
* @return string the mime type of the offended file.
* @notes DO NOT use this function for any security related
* task (i.e limiting file uploads by type)
* it wasn't designed for that purpose but to UI related tasks.
*/
function check_mime_type($fname)
{
$type = '';
if (extension_loaded('fileinfo') && class_exists('finfo')) {
$info = new finfo(FILEINFO_MIME);
$type = $info->file($fname);
} elseif (function_exists('mime_content_type')) {
$type = @mime_content_type($fname);
// I hope we don't have to...
} elseif (!FlySpray::function_disabled('exec') && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' && php_uname('s') !== 'SunOS') {
include_once 'class.commandexecution.php';
$file = new CommandExecution();
$file->setCmd('file');
$file->bi = $fname;
$type = $file->getCmdResult();
}
// if wasn't possible to determine , return empty string so
// we can use the browser reported mime-type (probably fake)
return trim($type);
}
