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<?php
namespace React\Http\Io;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
use React\Http\Message\Uri;
/**
* [Internal] Abstract HTTP request base class (PSR-7)
*
* @internal
* @see RequestInterface
*/
abstract class AbstractRequest extends AbstractMessage implements RequestInterface
{
/** @var ?string */
private $requestTarget;
/** @var string */
private $method;
/** @var UriInterface */
private $uri;
/**
* @param string $method
* @param string|UriInterface $uri
* @param array<string,string|string[]> $headers
* @param StreamInterface $body
* @param string unknown $protocolVersion
*/
protected function __construct(
$method,
$uri,
array $headers,
StreamInterface $body,
$protocolVersion
) {
if (\is_string($uri)) {
$uri = new Uri($uri);
} elseif (!$uri instanceof UriInterface) {
throw new \InvalidArgumentException(
'Argument #2 ($uri) expected string|Psr\Http\Message\UriInterface'
);
}
// assign default `Host` request header from URI unless already given explicitly
$host = $uri->getHost();
if ($host !== '') {
foreach ($headers as $name => $value) {
if (\strtolower($name) === 'host' && $value !== array()) {
$host = '';
break;
}
}
if ($host !== '') {
$port = $uri->getPort();
if ($port !== null && (!($port === 80 && $uri->getScheme() === 'http') || !($port === 443 && $uri->getScheme() === 'https'))) {
$host .= ':' . $port;
}
$headers = array('Host' => $host) + $headers;
}
}
parent::__construct($protocolVersion, $headers, $body);
$this->method = $method;
$this->uri = $uri;
}
public function getRequestTarget()
{
if ($this->requestTarget !== null) {
return $this->requestTarget;
}
$target = $this->uri->getPath();
if ($target === '') {
$target = '/';
}
if (($query = $this->uri->getQuery()) !== '') {
$target .= '?' . $query;
}
return $target;
}
public function withRequestTarget($requestTarget)
{
if ((string) $requestTarget === $this->requestTarget) {
return $this;
}
$request = clone $this;
$request->requestTarget = (string) $requestTarget;
return $request;
}
public function getMethod()
{
return $this->method;
}
public function withMethod($method)
{
if ((string) $method === $this->method) {
return $this;
}
$request = clone $this;
$request->method = (string) $method;
return $request;
}
public function getUri()
{
return $this->uri;
}
public function withUri(UriInterface $uri, $preserveHost = false)
{
if ($uri === $this->uri) {
return $this;
}
$request = clone $this;
$request->uri = $uri;
$host = $uri->getHost();
$port = $uri->getPort();
if ($port !== null && $host !== '' && (!($port === 80 && $uri->getScheme() === 'http') || !($port === 443 && $uri->getScheme() === 'https'))) {
$host .= ':' . $port;
}
// update `Host` request header if URI contains a new host and `$preserveHost` is false
if ($host !== '' && (!$preserveHost || $request->getHeaderLine('Host') === '')) {
// first remove all headers before assigning `Host` header to ensure it always comes first
foreach (\array_keys($request->getHeaders()) as $name) {
$request = $request->withoutHeader($name);
}
// add `Host` header first, then all other original headers
$request = $request->withHeader('Host', $host);
foreach ($this->withoutHeader('Host')->getHeaders() as $name => $value) {
$request = $request->withHeader($name, $value);
}
}
return $request;
}
}