<?php

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[1] Fix | Delete

namespace GuzzleHttp\Psr7;

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use InvalidArgumentException;

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use Psr\Http\Message\RequestInterface;

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use Psr\Http\Message\StreamInterface;

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use Psr\Http\Message\UriInterface;

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/**

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* PSR-7 request implementation.

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*/

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class Request implements RequestInterface

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{

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use MessageTrait;

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/** @var string */

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private $method;

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/** @var string|null */

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private $requestTarget;

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/** @var UriInterface */

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private $uri;

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/**

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* @param string $method HTTP method

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* @param string|UriInterface $uri URI

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* @param array $headers Request headers

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* @param string|resource|StreamInterface|null $body Request body

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* @param string $version Protocol version

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*/

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public function __construct(

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$method,

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$uri,

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array $headers = [],

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$body = null,

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$version = '1.1'

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) {

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$this->assertMethod($method);

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if (!($uri instanceof UriInterface)) {

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$uri = new Uri($uri);

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}

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$this->method = strtoupper($method);

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$this->uri = $uri;

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$this->setHeaders($headers);

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$this->protocol = $version;

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if (!isset($this->headerNames['host'])) {

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$this->updateHostFromUri();

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}

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if ($body !== '' && $body !== null) {

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$this->stream = Utils::streamFor($body);

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}

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}

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public function getRequestTarget()

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{

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if ($this->requestTarget !== null) {

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return $this->requestTarget;

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}

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$target = $this->uri->getPath();

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if ($target == '') {

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$target = '/';

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}

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if ($this->uri->getQuery() != '') {

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$target .= '?' . $this->uri->getQuery();

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}

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return $target;

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}

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public function withRequestTarget($requestTarget)

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{

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if (preg_match('#\s#', $requestTarget)) {

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throw new InvalidArgumentException(

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'Invalid request target provided; cannot contain whitespace'

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);

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}

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$new = clone $this;

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$new->requestTarget = $requestTarget;

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return $new;

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}

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public function getMethod()

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{

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return $this->method;

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}

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public function withMethod($method)

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{

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$this->assertMethod($method);

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$new = clone $this;

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$new->method = strtoupper($method);

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return $new;

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}

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public function getUri()

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{

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return $this->uri;

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}

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public function withUri(UriInterface $uri, $preserveHost = false)

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{

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if ($uri === $this->uri) {

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return $this;

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}

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$new = clone $this;

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$new->uri = $uri;

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if (!$preserveHost || !isset($this->headerNames['host'])) {

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$new->updateHostFromUri();

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}

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return $new;

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}

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private function updateHostFromUri()

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{

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$host = $this->uri->getHost();

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if ($host == '') {

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return;

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}

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if (($port = $this->uri->getPort()) !== null) {

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$host .= ':' . $port;

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}

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if (isset($this->headerNames['host'])) {

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$header = $this->headerNames['host'];

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} else {

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$header = 'Host';

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$this->headerNames['host'] = 'Host';

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}

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// Ensure Host is the first header.

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// See: http://tools.ietf.org/html/rfc7230#section-5.4

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$this->headers = [$header => [$host]] + $this->headers;

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}

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private function assertMethod($method)

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{

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if (!is_string($method) || $method === '') {

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throw new \InvalidArgumentException('Method must be a non-empty string.');

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}

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}

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}

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