%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Application\Responses;
use Nette;
/**
* File download response.
*/
final class FileResponse implements Nette\Application\Response
{
use Nette\SmartObject;
/** @var bool */
public $resuming = true;
/** @var string */
private $file;
/** @var string */
private $contentType;
/** @var string */
private $name;
/** @var bool */
private $forceDownload;
public function __construct(
string $file,
?string $name = null,
?string $contentType = null,
bool $forceDownload = true
) {
if (!is_file($file) || !is_readable($file)) {
throw new Nette\Application\BadRequestException("File '$file' doesn't exist or is not readable.");
}
$this->file = $file;
$this->name = $name ?? basename($file);
$this->contentType = $contentType ?: 'application/octet-stream';
$this->forceDownload = $forceDownload;
}
/**
* Returns the path to a downloaded file.
*/
public function getFile(): string
{
return $this->file;
}
/**
* Returns the file name.
*/
public function getName(): string
{
return $this->name;
}
/**
* Returns the MIME content type of a downloaded file.
*/
public function getContentType(): string
{
return $this->contentType;
}
/**
* Sends response to output.
*/
public function send(Nette\Http\IRequest $httpRequest, Nette\Http\IResponse $httpResponse): void
{
$httpResponse->setContentType($this->contentType);
$httpResponse->setHeader(
'Content-Disposition',
($this->forceDownload ? 'attachment' : 'inline')
. '; filename="' . $this->name . '"'
. '; filename*=utf-8\'\'' . rawurlencode($this->name)
);
$filesize = $length = filesize($this->file);
$handle = fopen($this->file, 'r');
if (!$handle) {
throw new Nette\Application\BadRequestException("Cannot open file: '{$this->file}'.");
}
if ($this->resuming) {
$httpResponse->setHeader('Accept-Ranges', 'bytes');
if (preg_match('#^bytes=(\d*)-(\d*)$#D', (string) $httpRequest->getHeader('Range'), $matches)) {
[, $start, $end] = $matches;
if ($start === '') {
$start = max(0, $filesize - $end);
$end = $filesize - 1;
} elseif ($end === '' || $end > $filesize - 1) {
$end = $filesize - 1;
}
if ($end < $start) {
$httpResponse->setCode(416); // requested range not satisfiable
return;
}
$httpResponse->setCode(206);
$httpResponse->setHeader('Content-Range', 'bytes ' . $start . '-' . $end . '/' . $filesize);
$length = $end - $start + 1;
fseek($handle, (int) $start);
} else {
$httpResponse->setHeader('Content-Range', 'bytes 0-' . ($filesize - 1) . '/' . $filesize);
}
}
$httpResponse->setHeader('Content-Length', (string) $length);
while (!feof($handle) && $length > 0) {
echo $s = fread($handle, min(4000000, $length));
$length -= strlen($s);
}
fclose($handle);
}
}
Zerion Mini Shell 1.0