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Directory >> /var/www/html/back/vendor/guzzlehttp/psr7/src/

File / Folder	Size	Action
.	-
Exception	--	ren
AppendStream.php	5.808KB	edt ren
BufferStream.php	3.141KB	edt ren
CachingStream.php	4.485KB	edt ren
DroppingStream.php	1.168KB	edt ren
FnStream.php	4.208KB	edt ren
Header.php	3.849KB	edt ren
HttpFactory.php	3.003KB	edt ren
InflateStream.php	1.382KB	edt ren
LazyOpenStream.php	1.063KB	edt ren
LimitStream.php	4.196KB	edt ren
Message.php	8.14KB	edt ren
MessageTrait.php	7.428KB	edt ren
MimeType.php	53.747KB	edt ren
MultipartStream.php	5.056KB	edt ren
NoSeekStream.php	0.512KB	edt ren
PumpStream.php	4.49KB	edt ren
Query.php	3.947KB	edt ren
Request.php	3.816KB	edt ren
Response.php	4.792KB	edt ren
Rfc7230.php	0.646KB	edt ren
ServerRequest.php	9.325KB	edt ren
Stream.php	7.213KB	edt ren
StreamDecoratorTrait.php	3.24KB	edt ren
StreamWrapper.php	4.532KB	edt ren
UploadedFile.php	4.979KB	edt ren
Uri.php	21.444KB	edt ren
UriComparator.php	1.123KB	edt ren
UriNormalizer.php	8.264KB	edt ren
UriResolver.php	8.378KB	edt ren
Utils.php	15.569KB	edt ren

<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream that when read returns bytes for a streaming multipart or
 * multipart/form-data stream.
 */
final class MultipartStream implements StreamInterface
{
    use StreamDecoratorTrait;

/** @var string */
    private $boundary;

/** @var StreamInterface */
    private $stream;

/**
     * @param array  $elements Array of associative arrays, each containing a
     *                         required "name" key mapping to the form field,
     *                         name, a required "contents" key mapping to a
     *                         StreamInterface/resource/string, an optional
     *                         "headers" associative array of custom headers,
     *                         and an optional "filename" key mapping to a
     *                         string to send as the filename in the part.
     * @param string $boundary You can optionally provide a specific boundary
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(array $elements = [], ?string $boundary = null)
    {
        $this->boundary = $boundary ?: bin2hex(random_bytes(20));
        $this->stream = $this->createStream($elements);
    }

public function getBoundary(): string
    {
        return $this->boundary;
    }

public function isWritable(): bool
    {
        return false;
    }

/**
     * Get the headers needed before transferring the content of a POST file
     *
     * @param string[] $headers
     */
    private function getHeaders(array $headers): string
    {
        $str = '';
        foreach ($headers as $key => $value) {
            $str .= "{$key}: {$value}\r\n";
        }

return "--{$this->boundary}\r\n".trim($str)."\r\n\r\n";
    }

/**
     * Create the aggregate stream that will be used to upload the POST data
     */
    protected function createStream(array $elements = []): StreamInterface
    {
        $stream = new AppendStream();

foreach ($elements as $element) {
            if (!is_array($element)) {
                throw new \UnexpectedValueException('An array is expected');
            }
            $this->addElement($stream, $element);
        }

// Add the trailing boundary with CRLF
        $stream->addStream(Utils::streamFor("--{$this->boundary}--\r\n"));

return $stream;
    }

private function addElement(AppendStream $stream, array $element): void
    {
        foreach (['contents', 'name'] as $key) {
            if (!array_key_exists($key, $element)) {
                throw new \InvalidArgumentException("A '{$key}' key is required");
            }
        }

$element['contents'] = Utils::streamFor($element['contents']);

if (empty($element['filename'])) {
            $uri = $element['contents']->getMetadata('uri');
            if ($uri && \is_string($uri) && \substr($uri, 0, 6) !== 'php://' && \substr($uri, 0, 7) !== 'data://') {
                $element['filename'] = $uri;
            }
        }

[$body, $headers] = $this->createElement(
            $element['name'],
            $element['contents'],
            $element['filename'] ?? null,
            $element['headers'] ?? []
        );

$stream->addStream(Utils::streamFor($this->getHeaders($headers)));
        $stream->addStream($body);
        $stream->addStream(Utils::streamFor("\r\n"));
    }

/**
     * @param string[] $headers
     *
     * @return array{0: StreamInterface, 1: string[]}
     */
    private function createElement(string $name, StreamInterface $stream, ?string $filename, array $headers): array
    {
        // Set a default content-disposition header if one was no provided
        $disposition = self::getHeader($headers, 'content-disposition');
        if (!$disposition) {
            $headers['Content-Disposition'] = ($filename === '0' || $filename)
                ? sprintf(
                    'form-data; name="%s"; filename="%s"',
                    $name,
                    basename($filename)
                )
                : "form-data; name=\"{$name}\"";
        }

// Set a default content-length header if one was no provided
        $length = self::getHeader($headers, 'content-length');
        if (!$length) {
            if ($length = $stream->getSize()) {
                $headers['Content-Length'] = (string) $length;
            }
        }

// Set a default Content-Type if one was not supplied
        $type = self::getHeader($headers, 'content-type');
        if (!$type && ($filename === '0' || $filename)) {
            $headers['Content-Type'] = MimeType::fromFilename($filename) ?? 'application/octet-stream';
        }

return [$stream, $headers];
    }

/**
     * @param string[] $headers
     */
    private static function getHeader(array $headers, string $key): ?string
    {
        $lowercaseHeader = strtolower($key);
        foreach ($headers as $k => $v) {
            if (strtolower((string) $k) === $lowercaseHeader) {
                return $v;
            }
        }

return null;
    }
}

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