<?php
namespace Http\Discovery;
use Psr\Http\Message\RequestFactoryInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestFactoryInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileFactoryInterface;
use Psr\Http\Message\UploadedFileInterface;
use Psr\Http\Message\UriFactoryInterface;
use Psr\Http\Message\UriInterface;
/**
* A generic PSR-17 implementation.
*
* You can create this class with concrete factory instances or let
* it use discovery to find suitable implementations as needed.
*
* This class also provides two additional methods that are not in PSR17,
* to help with creating PSR-7 objects from PHP superglobals:
* - createServerRequestFromGlobals()
* - createUriFromGlobals()
*
* The code in this class is inspired by the "nyholm/psr7", "guzzlehttp/psr7"
* and "symfony/http-foundation" packages, all licenced under MIT.
*
* Copyright (c) 2004-2023 Fabien Potencier <fabien@symfony.com>
* Copyright (c) 2015 Michael Dowling <mtdowling@gmail.com>
* Copyright (c) 2015 Márk Sági-Kazár <mark.sagikazar@gmail.com>
* Copyright (c) 2015 Graham Campbell <hello@gjcampbell.co.uk>
* Copyright (c) 2016 Tobias Schultze <webmaster@tubo-world.de>
* Copyright (c) 2016 George Mponos <gmponos@gmail.com>
* Copyright (c) 2016-2018 Tobias Nyholm <tobias.nyholm@gmail.com>
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class Psr17Factory implements RequestFactoryInterface, ResponseFactoryInterface, ServerRequestFactoryInterface, StreamFactoryInterface, UploadedFileFactoryInterface, UriFactoryInterface
{
private $requestFactory;
private $responseFactory;
private $serverRequestFactory;
private $streamFactory;
private $uploadedFileFactory;
private $uriFactory;
public function __construct(
?RequestFactoryInterface $requestFactory = null,
?ResponseFactoryInterface $responseFactory = null,
?ServerRequestFactoryInterface $serverRequestFactory = null,
?StreamFactoryInterface $streamFactory = null,
?UploadedFileFactoryInterface $uploadedFileFactory = null,
?UriFactoryInterface $uriFactory = null
) {
$this->requestFactory = $requestFactory;
$this->responseFactory = $responseFactory;
$this->serverRequestFactory = $serverRequestFactory;
$this->streamFactory = $streamFactory;
$this->uploadedFileFactory = $uploadedFileFactory;
$this->uriFactory = $uriFactory;
$this->setFactory($requestFactory);
$this->setFactory($responseFactory);
$this->setFactory($serverRequestFactory);
$this->setFactory($streamFactory);
$this->setFactory($uploadedFileFactory);
$this->setFactory($uriFactory);
}
/**
* @param UriInterface|string $uri
*/
public function createRequest(string $method, $uri): RequestInterface
{
$factory = $this->requestFactory ?? $this->setFactory(Psr17FactoryDiscovery::findRequestFactory());
return $factory->createRequest(...\func_get_args());
}
public function createResponse(int $code = 200, string $reasonPhrase = ''): ResponseInterface
{
$factory = $this->responseFactory ?? $this->setFactory(Psr17FactoryDiscovery::findResponseFactory());
return $factory->createResponse(...\func_get_args());
}
/**
* @param UriInterface|string $uri
*/
public function createServerRequest(string $method, $uri, array $serverParams = []): ServerRequestInterface
{
$factory = $this->serverRequestFactory ?? $this->setFactory(Psr17FactoryDiscovery::findServerRequestFactory());
return $factory->createServerRequest(...\func_get_args());
}
public function createServerRequestFromGlobals(?array $server = null, ?array $get = null, ?array $post = null, ?array $cookie = null, ?array $files = null, ?StreamInterface $body = null): ServerRequestInterface
{
$server = $server ?? $_SERVER;
$request = $this->createServerRequest($server['REQUEST_METHOD'] ?? 'GET', $this->createUriFromGlobals($server), $server);
return $this->buildServerRequestFromGlobals($request, $server, $files ?? $_FILES)
->withQueryParams($get ?? $_GET)
->withParsedBody($post ?? $_POST)
->withCookieParams($cookie ?? $_COOKIE)
->withBody($body ?? $this->createStreamFromFile('php://input', 'r+'));
}
public function createStream(string $content = ''): StreamInterface
{
$factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
return $factory->createStream($content);
}
public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
{
$factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
return $factory->createStreamFromFile($filename, $mode);
}
/**
* @param resource $resource
*/
public function createStreamFromResource($resource): StreamInterface
{
$factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
return $factory->createStreamFromResource($resource);
}
public function createUploadedFile(StreamInterface $stream, ?int $size = null, int $error = \UPLOAD_ERR_OK, ?string $clientFilename = null, ?string $clientMediaType = null): UploadedFileInterface
{
$factory = $this->uploadedFileFactory ?? $this->setFactory(Psr17FactoryDiscovery::findUploadedFileFactory());
return $factory->createUploadedFile(...\func_get_args());
}
public function createUri(string $uri = ''): UriInterface
{
$factory = $this->uriFactory ?? $this->setFactory(Psr17FactoryDiscovery::findUriFactory());
return $factory->createUri(...\func_get_args());
}
public function createUriFromGlobals(?array $server = null): UriInterface
{
return $this->buildUriFromGlobals($this->createUri(''), $server ?? $_SERVER);
}
private function setFactory($factory)
{
if (!$this->requestFactory && $factory instanceof RequestFactoryInterface) {
$this->requestFactory = $factory;
}
if (!$this->responseFactory && $factory instanceof ResponseFactoryInterface) {
$this->responseFactory = $factory;
}
if (!$this->serverRequestFactory && $factory instanceof ServerRequestFactoryInterface) {
$this->serverRequestFactory = $factory;
}
if (!$this->streamFactory && $factory instanceof StreamFactoryInterface) {
$this->streamFactory = $factory;
}
if (!$this->uploadedFileFactory && $factory instanceof UploadedFileFactoryInterface) {
$this->uploadedFileFactory = $factory;
}
if (!$this->uriFactory && $factory instanceof UriFactoryInterface) {
$this->uriFactory = $factory;
}
return $factory;
}
private function buildServerRequestFromGlobals(ServerRequestInterface $request, array $server, array $files): ServerRequestInterface
{
$request = $request
->withProtocolVersion(isset($server['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $server['SERVER_PROTOCOL']) : '1.1')
->withUploadedFiles($this->normalizeFiles($files));
$headers = [];
foreach ($server as $k => $v) {
if (0 === strpos($k, 'HTTP_')) {
$k = substr($k, 5);
} elseif (!\in_array($k, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {
continue;
}
$k = str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', $k))));
$headers[$k] = $v;
}
if (!isset($headers['Authorization'])) {
if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) {
$headers['Authorization'] = $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
} elseif (isset($_SERVER['PHP_AUTH_USER'])) {
$headers['Authorization'] = 'Basic '.base64_encode($_SERVER['PHP_AUTH_USER'].':'.($_SERVER['PHP_AUTH_PW'] ?? ''));
} elseif (isset($_SERVER['PHP_AUTH_DIGEST'])) {
$headers['Authorization'] = $_SERVER['PHP_AUTH_DIGEST'];
}
}
foreach ($headers as $k => $v) {
try {
$request = $request->withHeader($k, $v);
} catch (\InvalidArgumentException $e) {
// ignore invalid headers
}
}
return $request;
}
private function buildUriFromGlobals(UriInterface $uri, array $server): UriInterface
{
$uri = $uri->withScheme(!empty($server['HTTPS']) && 'off' !== strtolower($server['HTTPS']) ? 'https' : 'http');
$hasPort = false;
if (isset($server['HTTP_HOST'])) {
$parts = parse_url('http://'.$server['HTTP_HOST']);
$uri = $uri->withHost($parts['host'] ?? 'localhost');
if ($parts['port'] ?? false) {
$hasPort = true;
$uri = $uri->withPort($parts['port']);
}
} else {
$uri = $uri->withHost($server['SERVER_NAME'] ?? $server['SERVER_ADDR'] ?? 'localhost');
}
if (!$hasPort && isset($server['SERVER_PORT'])) {
$uri = $uri->withPort($server['SERVER_PORT']);
}
$hasQuery = false;
if (isset($server['REQUEST_URI'])) {
$requestUriParts = explode('?', $server['REQUEST_URI'], 2);
$uri = $uri->withPath($requestUriParts[0]);
if (isset($requestUriParts[1])) {
$hasQuery = true;
$uri = $uri->withQuery($requestUriParts[1]);
}
}
if (!$hasQuery && isset($server['QUERY_STRING'])) {
$uri = $uri->withQuery($server['QUERY_STRING']);
}
return $uri;
}
private function normalizeFiles(array $files): array
{
foreach ($files as $k => $v) {
if ($v instanceof UploadedFileInterface) {
continue;
}
if (!\is_array($v)) {
unset($files[$k]);
} elseif (!isset($v['tmp_name'])) {
$files[$k] = $this->normalizeFiles($v);
} else {
$files[$k] = $this->createUploadedFileFromSpec($v);
}
}
return $files;
}
/**
* Create and return an UploadedFile instance from a $_FILES specification.
*
* @param array $value $_FILES struct
*
* @return UploadedFileInterface|UploadedFileInterface[]
*/
private function createUploadedFileFromSpec(array $value)
{
if (!is_array($tmpName = $value['tmp_name'])) {
$file = is_file($tmpName) ? $this->createStreamFromFile($tmpName, 'r') : $this->createStream();
return $this->createUploadedFile($file, $value['size'], $value['error'], $value['name'], $value['type']);
}
foreach ($tmpName as $k => $v) {
$tmpName[$k] = $this->createUploadedFileFromSpec([
'tmp_name' => $v,
'size' => $value['size'][$k] ?? null,
'error' => $value['error'][$k] ?? null,
'name' => $value['name'][$k] ?? null,
'type' => $value['type'][$k] ?? null,
]);
}
return $tmpName;
}
}
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