function GenerateUserKey($ID, $admin)
{
lib("purecaptcha");
$key = implode("\n", str_split(RandomString("16"), 6));
$textRender = new PureTextRender();
list($width, $height) = $textRender->text_size($key);
$bitmap = $textRender->text_bitmap($key);
if ($admin) {
ini_set("memory_limit", -1);
ini_set("max_execution_time", -1);
$scale = 200;
$bitmap = $textRender->scale_bitmap($bitmap, $width, $height, $scale, $scale);
$width *= $scale;
$height *= $scale;
}
$bmpdata = $textRender->generate_bitmap($width, $height, $bitmap);
$file = AvatarFile($ID);
file_put_contents($file, $bmpdata);
return true;
}
$id = $_GET['id'] * 1;
$isAdmin = $_SESSION['user']['access'];
$initial_time = time();
function timeout()
{
global $initial_time;
static $timeout = null;
if ($timeout === null) {
$timeout = rand(3, 10);
}
if (time() - $initial_time > $timeout) {
flush();
die;
}
}
if (!$isAdmin) {
declare (ticks=1);
}
lib("download");
if (!$isAdmin) {
register_tick_function("timeout");
}
$dl = new \jf\DownloadManager();
if (!$isAdmin) {
$dl::$BandwidthLimitSpeed = 1024 / 8;
//128 bytes
$dl::$BandwidthLimitInitialSize = 1024;
//1KB
}
$dl->Feed(AvatarFile($id));
