Current File : /home/ugotscom/bos_naturals/vendor/react/http/src/Middleware/RequestBodyBufferMiddleware.php
<?php
namespace React\Http\Middleware;
use OverflowException;
use Psr\Http\Message\ServerRequestInterface;
use React\Http\Io\BufferedBody;
use React\Http\Io\IniUtil;
use React\Promise\Stream;
use React\Stream\ReadableStreamInterface;
final class RequestBodyBufferMiddleware
{
private $sizeLimit;
/**
* @param int|string|null $sizeLimit Either an int with the max request body size
* in bytes or an ini like size string
* or null to use post_max_size from PHP's
* configuration. (Note that the value from
* the CLI configuration will be used.)
*/
public function __construct($sizeLimit = null)
{
if ($sizeLimit === null) {
$sizeLimit = \ini_get('post_max_size');
}
$this->sizeLimit = IniUtil::iniSizeToBytes($sizeLimit);
}
public function __invoke(ServerRequestInterface $request, $stack)
{
$body = $request->getBody();
$size = $body->getSize();
// happy path: skip if body is known to be empty (or is already buffered)
if ($size === 0 || !$body instanceof ReadableStreamInterface) {
// replace with empty body if body is streaming (or buffered size exceeds limit)
if ($body instanceof ReadableStreamInterface || $size > $this->sizeLimit) {
$request = $request->withBody(new BufferedBody(''));
}
return $stack($request);
}
// request body of known size exceeding limit
$sizeLimit = $this->sizeLimit;
if ($size > $this->sizeLimit) {
$sizeLimit = 0;
}
return Stream\buffer($body, $sizeLimit)->then(function ($buffer) use ($request, $stack) {
$request = $request->withBody(new BufferedBody($buffer));
return $stack($request);
}, function ($error) use ($stack, $request, $body) {
// On buffer overflow keep the request body stream in,
// but ignore the contents and wait for the close event
// before passing the request on to the next middleware.
if ($error instanceof OverflowException) {
return Stream\first($body, 'close')->then(function () use ($stack, $request) {
return $stack($request);
});
}
throw $error;
});
}
}
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