/**
* Set headers and send the file to the client
*
* @author Andreas Gohr <*****@*****.**>
* @param string The full path to the file
* @param string The Mime Type of the file
*/
function sendFile($file, $mime, $overrideFileName = '')
{
// send headers
header("Content-Type: {$mime}");
list($start, $len) = VmConnector::http_rangeRequest(filesize($file));
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Accept-Ranges: bytes');
//application mime type is downloadable
if (strtolower(substr($mime, 0, 11)) == 'application') {
if ($overrideFileName == '') {
$filename = basename($file);
} else {
$filename = $overrideFileName;
}
header('Content-Disposition: attachment; filename="' . $filename . '";');
}
$chunksize = 1 * (1024 * 1024);
// send file contents
$fp = @fopen($file, "rb");
if ($fp) {
fseek($fp, $start);
//seek to start of range
$chunk = $len > $chunksize ? $chunksize : $len;
while (!feof($fp) && $chunk > 0) {
@set_time_limit();
// large files can take a lot of time
print fread($fp, $chunk);
flush();
$len -= $chunk;
$chunk = $len > $chunksize ? $chunksize : $len;
}
fclose($fp);
} else {
header("HTTP/1.0 500 Internal Server Error");
print "Could not read {$file} - bad permissions?";
JFactory::getApplication()->close(true);
}
}