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<?php
namespace Common\Files\Response;
use Common\Files\FileEntry;
class RangeFileResponse implements FileResponse
{
/**
* @param FileEntry $entry
* @param array $options
* @return mixed
*/
public function make(FileEntry $entry, $options)
{
$disk = $entry->getDisk();
$size = $disk->size($entry->getStoragePath());
$time = date('r', $entry->updated_at->timestamp);
$fm = $disk->getDriver()->readStream($entry->getStoragePath());
$begin = 0;
$end = $size - 1;
if (isset($_SERVER['HTTP_RANGE']))
{
if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches))
{
$begin = intval($matches[1]);
if (!empty($matches[2]))
{
$end = intval($matches[2]);
}
}
}
if (isset($_SERVER['HTTP_RANGE']))
{
header('HTTP/1.1 206 Partial Content');
}
else
{
header('HTTP/1.1 200 OK');
}
header("Content-Type: $entry->mime");
header('Cache-Control: public, must-revalidate, max-age=0');
header('Pragma: no-cache');
header('Accept-Ranges: bytes');
header('Content-Length:' . (($end - $begin) + 1));
if (isset($_SERVER['HTTP_RANGE']))
{
header("Content-Range: bytes $begin-$end/$size");
}
header("Content-Disposition: inline; filename={$entry->getNameWithExtension()}");
header("Content-Transfer-Encoding: binary");
header("Last-Modified: $time");
$cur = $begin;
fseek($fm, $begin, 0);
while(!feof($fm) && $cur <= $end && (connection_status() == 0))
{
print fread($fm, min(1024 * 16, ($end - $cur) + 1));
$cur += 1024 * 16;
}
}
}