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<?php
///
// NextCloudPi Web Panel backend
//
// Copyleft 2019 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
// GPL licensed (see end of file) * Use at your own risk!
//
// More at https://nextcloudpi.com
///
include ('csrf.php');
session_start();
// CSRF check
$token = isset($_REQUEST['token']) ? $_REQUEST['token'] : '';
if ( empty($token) || !validateCSRFToken($token) )
exit('Unauthorized download');
$file = '/var/log/ncp.log';
if (!file_exists($file)
die('File not found');
if (!is_readable($file))
die('NCP does not have read permissions on this file');
function filesize_compat($file)
{
if(PHP_INT_SIZE === 4) # workaround for 32-bit architectures
return trim(shell_exec("stat -c%s " . escapeshellarg($file)));
else
return filesize($file);
}
$size = filesize_compat($file);
$mime_type = 'text/plain';
ob_start();
ob_clean();
header('Content-Description: File Transfer');
header('Content-Type: ' . $mime_type);
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"" . basename($file) . "\"");
header('Content-Length: ' . $size);
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
$chunksize = 8 * (1024 * 1024);
if($size > $chunksize || PHP_INT_SIZE === 4) # always chunk for 32-bit architectures
{
$handle = fopen($file, 'rb') or die("Error opening file");
while (!feof($handle))
{
$buffer = fread($handle, $chunksize);
echo $buffer;
ob_flush();
flush();
}
fclose($handle);
}
else
readfile($file);
ob_flush();
flush();
exit();
?>
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