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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Http;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
/**
* @internal Note that this is not public API, use PSR-17 interfaces instead.
*/
class StreamFactory implements StreamFactoryInterface
{
/**
* Create a new stream from a string.
*
* @param string $content String content with which to populate the stream.
*/
public function createStream(string $content = ''): StreamInterface
{
$stream = new Stream('php://temp', 'r+');
if ($content !== '') {
$stream->write($content);
}
return $stream;
}
/**
* Create a stream from an existing file.
*
* The `$filename` MAY be any string supported by `fopen()`.
*
* @param string $filename Filename or stream URI to use as basis of stream.
* @param string $mode Mode with which to open the underlying filename/stream.
* @throws \RuntimeException If the file cannot be opened.
* @throws \InvalidArgumentException If the mode is invalid.
*/
public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
{
$resource = @fopen($filename, $mode);
if ($resource === false) {
if ($mode === '' || in_array($mode[0], ['r', 'w', 'a', 'x', 'c'], true) === false) {
throw new \InvalidArgumentException('The mode ' . $mode . ' is invalid.', 1566823434);
}
throw new \RuntimeException('The file ' . $filename . ' cannot be opened.', 1566823435);
}
return new Stream($resource);
}
/**
* Create a new stream from an existing resource.
*
* The stream MUST be readable and may be writable.
*
* @param resource $resource PHP resource to use as basis of stream.
* @throws \InvalidArgumentException
*/
public function createStreamFromResource($resource): StreamInterface
{
if (!is_resource($resource) || get_resource_type($resource) !== 'stream') {
throw new \InvalidArgumentException('Invalid stream provided; must be a stream resource', 1566853697);
}
return new Stream($resource);
}
}