force_download.php
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<?php
$config = include 'config/config.php';
//TODO switch to array
extract($config, EXTR_OVERWRITE);
include 'include/utils.php';
$ftp = ftp_con($config);
if ($_SESSION['RF']["verify"] != "RESPONSIVEfilemanager")
{
response(trans('forbiden').AddErrorLocation(), 403)->send();
exit;
}
include 'include/mime_type_lib.php';
if (
strpos($_POST['path'], '/') === 0
|| strpos($_POST['path'], '../') !== false
|| strpos($_POST['path'], './') === 0
|| strpos($_POST['path'], '..\\') !== false
|| strpos($_POST['path'], '.\\') === 0
)
{
response(trans('wrong path'.AddErrorLocation()), 400)->send();
exit;
}
if (strpos($_POST['name'], '/') !== false)
{
response(trans('wrong path'.AddErrorLocation()), 400)->send();
exit;
}
if($ftp){
$path = $ftp_base_url . $upload_dir . $_POST['path'];
}else{
$path = $current_path . $_POST['path'];
}
$name = $_POST['name'];
$info = pathinfo($name);
if ( ! in_array(fix_strtolower($info['extension']), $ext))
{
response(trans('wrong extension'.AddErrorLocation()), 400)->send();
exit;
}
$file_name = $info['basename'];
$file_ext = $info['extension'];
$file_path = $path . $name;
// make sure the file exists
if($ftp){
$file_url = 'http://www.myremoteserver.com/file.exe';
header('Content-Type: application/octet-stream');
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"" . $file_name . "\"");
readfile($file_path);
}elseif (is_file($file_path) && is_readable($file_path))
{
if ( ! file_exists($path . $name))
{
response(trans('File_Not_Found'.AddErrorLocation()), 404)->send();
exit;
}
$size = filesize($file_path);
$file_name = rawurldecode($file_name);
if (function_exists('mime_content_type')){
$mime_type = mime_content_type($file_path);
}elseif(function_exists('finfo_open')){
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime_type = finfo_file($finfo, $file_path);
}else{
include 'include/mime_type_lib.php';
$mime_type = get_file_mime_type($file_path);
}
@ob_end_clean();
if(ini_get('zlib.output_compression')){
ini_set('zlib.output_compression', 'Off');
}
header('Content-Type: ' . $mime_type);
header('Content-Disposition: attachment; filename="'.$file_name.'"');
header("Content-Transfer-Encoding: binary");
header('Accept-Ranges: bytes');
if(isset($_SERVER['HTTP_RANGE']))
{
list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
list($range) = explode(",",$range,2);
list($range, $range_end) = explode("-", $range);
$range=intval($range);
if(!$range_end) {
$range_end=$size-1;
} else {
$range_end=intval($range_end);
}
$new_length = $range_end-$range+1;
header("HTTP/1.1 206 Partial Content");
header("Content-Length: $new_length");
header("Content-Range: bytes $range-$range_end/$size");
} else {
$new_length=$size;
header("Content-Length: ".$size);
}
$chunksize = 1*(1024*1024);
$bytes_send = 0;
if ($file = fopen($file_path, 'r'))
{
if(isset($_SERVER['HTTP_RANGE']))
fseek($file, $range);
while(!feof($file) &&
(!connection_aborted()) &&
($bytes_send<$new_length)
)
{
$buffer = fread($file, $chunksize);
echo($buffer);
flush();
$bytes_send += strlen($buffer);
}
fclose($file);
} else {
die('Error - can not open file.');
}
die();
}
else
{
// file does not exist
header("HTTP/1.0 404 Not Found");
exit;
}
exit;