67 lines
1.4 KiB
PHP
67 lines
1.4 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
// Disable Compression
|
||
|
|
@ini_set('zlib.output_compression', 'Off');
|
||
|
|
@ini_set('output_buffering', 'Off');
|
||
|
|
@ini_set('output_handler', '');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
function getChunkCount()
|
||
|
|
{
|
||
|
|
if (
|
||
|
|
!array_key_exists('ckSize', $_GET)
|
||
|
|
|| (int) $_GET['ckSize'] <= 0
|
||
|
|
) {
|
||
|
|
return 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((int) $_GET['ckSize'] > 1024) {
|
||
|
|
return 1024;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (int) $_GET['ckSize'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
function sendHeaders()
|
||
|
|
{
|
||
|
|
header('HTTP/1.1 200 OK');
|
||
|
|
|
||
|
|
if (isset($_GET['cors'])) {
|
||
|
|
header('Access-Control-Allow-Origin: *');
|
||
|
|
header('Access-Control-Allow-Methods: GET, POST');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Indicate a file download
|
||
|
|
header('Content-Description: File Transfer');
|
||
|
|
header('Content-Type: application/octet-stream');
|
||
|
|
header('Content-Disposition: attachment; filename=random.dat');
|
||
|
|
header('Content-Transfer-Encoding: binary');
|
||
|
|
|
||
|
|
// Cache settings: never cache this request
|
||
|
|
header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0, s-maxage=0');
|
||
|
|
header('Cache-Control: post-check=0, pre-check=0', false);
|
||
|
|
header('Pragma: no-cache');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine how much data we should send
|
||
|
|
$chunks = getChunkCount();
|
||
|
|
|
||
|
|
// Generate data
|
||
|
|
if (function_exists('random_bytes')) {
|
||
|
|
$data = random_bytes(1048576);
|
||
|
|
} else {
|
||
|
|
$data = openssl_random_pseudo_bytes(1048576);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Deliver chunks of 1048576 bytes
|
||
|
|
sendHeaders();
|
||
|
|
for ($i = 0; $i < $chunks; $i++) {
|
||
|
|
echo $data;
|
||
|
|
flush();
|
||
|
|
}
|