<?php
declare(strict_types=1);
namespace GuzzleHttp\Psr7;
use InvalidArgumentException;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileInterface;
use Psr\Http\Message\UriInterface;
/**
* Server-side HTTP request
*
* Extends the Request definition to add methods for accessing incoming data,
* specifically server parameters, cookies, matched path parameters, query
* string arguments, body parameters, and upload file information.
*
* "Attributes" are discovered via decomposing the request (and usually
* specifically the URI path), and typically will be injected by the application.
*
* Requests are considered immutable; all methods that might change state are
* implemented such that they retain the internal state of the current
* message and return a new instance that contains the changed state.
*/
class ServerRequest extends Request implements ServerRequestInterface
{
/**
* @var array
*/
private $attributes = [];
/**
* @var array
*/
private $cookieParams = [];
/**
* @var array|object|null
*/
private $parsedBody;
/**
* @var array
*/
private $queryParams = [];
/**
* @var array
*/
private $serverParams;
/**
* @var array
*/
private $uploadedFiles = [];
/**
* @param string $method HTTP method
* @param string|UriInterface $uri URI
* @param (string|string[])[] $headers Request headers
* @param string|resource|StreamInterface|null $body Request body
* @param string $version Protocol version
* @param array $serverParams Typically the $_SERVER superglobal
*/
public function __construct(
string $method,
$uri,
array $headers = [],
$body = null,
string $version = '1.1',
array $serverParams = []
) {
$this->serverParams = $serverParams;
parent::__construct($method, $uri, $headers, $body, $version);
}
/**
* Return an UploadedFile instance array.
*
* @param array $files An array which respect $_FILES structure
*
* @throws InvalidArgumentException for unrecognized values
*/
public static function normalizeFiles(array $files): array
{
$normalized = [];
foreach ($files as $key => $value) {
if ($value instanceof UploadedFileInterface) {
$normalized[$key] = $value;
} elseif (is_array($value) && isset($value['tmp_name'])) {
$normalized[$key] = self::createUploadedFileFromSpec($value);
} elseif (is_array($value)) {
$normalized[$key] = self::normalizeFiles($value);
continue;
} else {
throw new InvalidArgumentException('Invalid value in files specification');
}
}
return $normalized;
}
/**
* Create and return an UploadedFile instance from a $_FILES specification.
*
* If the specification represents an array of values, this method will
* delegate to normalizeNestedFileSpec() and return that return value.
*
* @param array $value $_FILES struct
*
* @return UploadedFileInterface|UploadedFileInterface[]
*/
private static function createUploadedFileFromSpec(array $value)
{
if (is_array($value['tmp_name'])) {
return self::normalizeNestedFileSpec($value);
}
return new UploadedFile(
$value['tmp_name'],
(int) $value['size'],
(int) $value['error'],
$value['name'],
$value['type']
);
}
/**
* Normalize an array of file specifications.
*
* Loops through all nested files and returns a normalized array of
* UploadedFileInterface instances.
*
* @return UploadedFileInterface[]
*/
private static function normalizeNestedFileSpec(array $files = []): array
{
$normalizedFiles = [];
foreach (array_keys($files['tmp_name']) as $key) {
$spec = [
'tmp_name' => $files['tmp_name'][$key],
'size' => $files['size'][$key] ?? null,
'error' => $files['error'][$key] ?? null,
'name' => $files['name'][$key] ?? null,
'type' => $files['type'][$key] ?? null,
];
$normalizedFiles[$key] = self::createUploadedFileFromSpec($spec);
}
return $normalizedFiles;
}
/**
* Return a ServerRequest populated with superglobals:
* $_GET
* $_POST
* $_COOKIE
* $_FILES
* $_SERVER
*/
public static function fromGlobals(): ServerRequestInterface
{
$method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
$headers = getallheaders();
$uri = self::getUriFromGlobals();
$body = new CachingStream(new LazyOpenStream('php://input', 'r+'));
$protocol = isset($_SERVER['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $_SERVER['SERVER_PROTOCOL']) : '1.1';
$serverRequest = new ServerRequest($method, $uri, $headers, $body, $protocol, $_SERVER);
return $serverRequest
->withCookieParams($_COOKIE)
->withQueryParams($_GET)
->withParsedBody($_POST)
->withUploadedFiles(self::normalizeFiles($_FILES));
}
private static function extractHostAndPortFromAuthority(string $authority): array
{
$uri = 'http://'.$authority;
$parts = parse_url($uri);
if (false === $parts) {
return [null, null];
}
$host = $parts['host'] ?? null;
$port = $parts['port'] ?? null;
return [$host, $port];
}
/**
* Get a Uri populated with values from $_SERVER.
*/
public static function getUriFromGlobals(): UriInterface
{
$uri = new Uri('');
$uri = $uri->withScheme(!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http');
$hasPort = false;
if (isset($_SERVER['HTTP_HOST'])) {
[$host, $port] = self::extractHostAndPortFromAuthority($_SERVER['HTTP_HOST']);
if ($host !== null) {
$uri = $uri->withHost($host);
}
if ($port !== null) {
$hasPort = true;
$uri = $uri->withPort($port);
}
} elseif (isset($_SERVER['SERVER_NAME'])) {
$uri = $uri->withHost($_SERVER['SERVER_NAME']);
} elseif (isset($_SERVER['SERVER_ADDR'])) {
$uri = $uri->withHost($_SERVER['SERVER_ADDR']);
}
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;
}
public function getServerParams(): array
{
return $this->serverParams;
}
public function getUploadedFiles(): array
{
return $this->uploadedFiles;
}
public function withUploadedFiles(array $uploadedFiles): ServerRequestInterface
{
$new = clone $this;
$new->uploadedFiles = $uploadedFiles;
return $new;
}
public function getCookieParams(): array
{
return $this->cookieParams;
}
public function withCookieParams(array $cookies): ServerRequestInterface
{
$new = clone $this;
$new->cookieParams = $cookies;
return $new;
}
public function getQueryParams(): array
{
return $this->queryParams;
}
public function withQueryParams(array $query): ServerRequestInterface
{
$new = clone $this;
$new->queryParams = $query;
return $new;
}
/**
* @return array|object|null
*/
public function getParsedBody()
{
return $this->parsedBody;
}
public function withParsedBody($data): ServerRequestInterface
{
$new = clone $this;
$new->parsedBody = $data;
return $new;
}
public function getAttributes(): array
{
return $this->attributes;
}
/**
* @return mixed
*/
public function getAttribute($attribute, $default = null)
{
if (false === array_key_exists($attribute, $this->attributes)) {
return $default;
}
return $this->attributes[$attribute];
}
public function withAttribute($attribute, $value): ServerRequestInterface
{
$new = clone $this;
$new->attributes[$attribute] = $value;
return $new;
}
public function withoutAttribute($attribute): ServerRequestInterface
{
if (false === array_key_exists($attribute, $this->attributes)) {
return $this;
}
$new = clone $this;
unset($new->attributes[$attribute]);
return $new;
}
}
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