<?php
namespace GuzzleHttp\Psr7;
use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
/**
* PSR-7 request implementation.
*/
class Request implements RequestInterface
{
use MessageTrait {
withHeader as protected withParentHeader;
}
/** @var string */
private $method;
/** @var null|string */
private $requestTarget;
/** @var null|UriInterface */
private $uri;
/**
* @param null|string $method HTTP method for the request.
* @param null|string|UriInterface $uri URI for the request.
* @param array $headers Headers for the message.
* @param string|resource|StreamInterface $body Message body.
* @param string $protocolVersion HTTP protocol version.
*
* @throws InvalidArgumentException for an invalid URI
*/
public function __construct(
$method,
$uri,
array $headers = [],
$body = null,
$protocolVersion = '1.1'
) {
if (is_string($uri)) {
$uri = new Uri($uri);
} elseif (!($uri instanceof UriInterface)) {
throw new \InvalidArgumentException(
'URI must be a string or Psr\Http\Message\UriInterface'
);
}
$this->method = strtoupper($method);
$this->uri = $uri;
$this->setHeaders($headers);
$this->protocol = $protocolVersion;
$host = $uri->getHost();
if ($host && !$this->hasHeader('Host')) {
$this->updateHostFromUri($host);
}
if ($body) {
$this->stream = stream_for($body);
}
}
public function getRequestTarget()
{
if ($this->requestTarget !== null) {
return $this->requestTarget;
}
$target = $this->uri->getPath();
if ($target == null) {
$target = '/';
}
if ($this->uri->getQuery()) {
$target .= '?' . $this->uri->getQuery();
}
return $target;
}
public function withRequestTarget($requestTarget)
{
if (preg_match('#\s#', $requestTarget)) {
throw new InvalidArgumentException(
'Invalid request target provided; cannot contain whitespace'
);
}
$new = clone $this;
$new->requestTarget = $requestTarget;
return $new;
}
public function getMethod()
{
return $this->method;
}
public function withMethod($method)
{
$new = clone $this;
$new->method = strtoupper($method);
return $new;
}
public function getUri()
{
return $this->uri;
}
public function withUri(UriInterface $uri, $preserveHost = false)
{
if ($uri === $this->uri) {
return $this;
}
$new = clone $this;
$new->uri = $uri;
if (!$preserveHost) {
if ($host = $uri->getHost()) {
$new->updateHostFromUri($host);
}
}
return $new;
}
public function withHeader($header, $value)
{
/** @var Request $newInstance */
$newInstance = $this->withParentHeader($header, $value);
return $newInstance;
}
private function updateHostFromUri($host)
{
// Ensure Host is the first header.
// See: http://tools.ietf.org/html/rfc7230#section-5.4
if ($port = $this->uri->getPort()) {
$host .= ':' . $port;
}
$this->headerLines = ['Host' => [$host]] + $this->headerLines;
$this->headers = ['host' => [$host]] + $this->headers;
}
}
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