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638 lines
19 KiB
PHP
638 lines
19 KiB
PHP
<?php
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namespace Guzzle\Http\Message;
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use Guzzle\Common\Version;
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use Guzzle\Common\Event;
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use Guzzle\Common\Collection;
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use Guzzle\Common\Exception\RuntimeException;
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use Guzzle\Common\Exception\InvalidArgumentException;
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use Guzzle\Http\Exception\RequestException;
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use Guzzle\Http\Exception\BadResponseException;
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use Guzzle\Http\ClientInterface;
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use Guzzle\Http\EntityBody;
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use Guzzle\Http\EntityBodyInterface;
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use Guzzle\Http\Message\Header\HeaderInterface;
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use Guzzle\Http\Url;
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use Guzzle\Parser\ParserRegistry;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\EventDispatcher\EventDispatcher;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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* HTTP request class to send requests
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*/
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class Request extends AbstractMessage implements RequestInterface
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{
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/** @var EventDispatcherInterface */
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protected $eventDispatcher;
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/** @var Url HTTP Url */
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protected $url;
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/** @var string HTTP method (GET, PUT, POST, DELETE, HEAD, OPTIONS, TRACE) */
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protected $method;
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/** @var ClientInterface */
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protected $client;
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/** @var Response Response of the request */
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protected $response;
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/** @var EntityBodyInterface Response body */
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protected $responseBody;
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/** @var string State of the request object */
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protected $state;
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/** @var string Authentication username */
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protected $username;
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/** @var string Auth password */
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protected $password;
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/** @var Collection cURL specific transfer options */
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protected $curlOptions;
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/** @var bool */
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protected $isRedirect = false;
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public static function getAllEvents()
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{
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return array(
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// Called when receiving or uploading data through cURL
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'curl.callback.read', 'curl.callback.write', 'curl.callback.progress',
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// Cloning a request
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'request.clone',
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// About to send the request, sent request, completed transaction
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'request.before_send', 'request.sent', 'request.complete',
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// A request received a successful response
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'request.success',
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// A request received an unsuccessful response
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'request.error',
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// An exception is being thrown because of an unsuccessful response
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'request.exception',
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// Received response status line
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'request.receive.status_line'
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);
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}
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/**
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* @param string $method HTTP method
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* @param string|Url $url HTTP URL to connect to. The URI scheme, host header, and URI are parsed from the
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* full URL. If query string parameters are present they will be parsed as well.
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* @param array|Collection $headers HTTP headers
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*/
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public function __construct($method, $url, $headers = array())
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{
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parent::__construct();
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$this->method = strtoupper($method);
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$this->curlOptions = new Collection();
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$this->setUrl($url);
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if ($headers) {
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// Special handling for multi-value headers
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foreach ($headers as $key => $value) {
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// Deal with collisions with Host and Authorization
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if ($key == 'host' || $key == 'Host') {
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$this->setHeader($key, $value);
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} elseif ($value instanceof HeaderInterface) {
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$this->addHeader($key, $value);
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} else {
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foreach ((array) $value as $v) {
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$this->addHeader($key, $v);
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}
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}
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}
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}
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$this->setState(self::STATE_NEW);
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}
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public function __clone()
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{
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if ($this->eventDispatcher) {
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$this->eventDispatcher = clone $this->eventDispatcher;
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}
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$this->curlOptions = clone $this->curlOptions;
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$this->params = clone $this->params;
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$this->url = clone $this->url;
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$this->response = $this->responseBody = null;
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$this->headers = clone $this->headers;
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$this->setState(RequestInterface::STATE_NEW);
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$this->dispatch('request.clone', array('request' => $this));
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}
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/**
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* Get the HTTP request as a string
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->getRawHeaders() . "\r\n\r\n";
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}
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/**
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* Default method that will throw exceptions if an unsuccessful response is received.
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*
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* @param Event $event Received
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* @throws BadResponseException if the response is not successful
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*/
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public static function onRequestError(Event $event)
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{
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$e = BadResponseException::factory($event['request'], $event['response']);
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$event['request']->setState(self::STATE_ERROR, array('exception' => $e) + $event->toArray());
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throw $e;
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}
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public function setClient(ClientInterface $client)
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{
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$this->client = $client;
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return $this;
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}
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public function getClient()
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{
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return $this->client;
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}
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public function getRawHeaders()
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{
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$protocolVersion = $this->protocolVersion ?: '1.1';
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return trim($this->method . ' ' . $this->getResource()) . ' '
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. strtoupper(str_replace('https', 'http', $this->url->getScheme()))
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. '/' . $protocolVersion . "\r\n" . implode("\r\n", $this->getHeaderLines());
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}
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public function setUrl($url)
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{
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if ($url instanceof Url) {
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$this->url = $url;
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} else {
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$this->url = Url::factory($url);
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}
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// Update the port and host header
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$this->setPort($this->url->getPort());
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if ($this->url->getUsername() || $this->url->getPassword()) {
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$this->setAuth($this->url->getUsername(), $this->url->getPassword());
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// Remove the auth info from the URL
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$this->url->setUsername(null);
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$this->url->setPassword(null);
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}
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return $this;
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}
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public function send()
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{
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if (!$this->client) {
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throw new RuntimeException('A client must be set on the request');
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}
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return $this->client->send($this);
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}
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public function getResponse()
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{
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return $this->response;
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}
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public function getQuery($asString = false)
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{
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return $asString
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? (string) $this->url->getQuery()
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: $this->url->getQuery();
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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 getScheme()
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{
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return $this->url->getScheme();
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}
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public function setScheme($scheme)
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{
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$this->url->setScheme($scheme);
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return $this;
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}
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public function getHost()
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{
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return $this->url->getHost();
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}
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public function setHost($host)
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{
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$this->url->setHost($host);
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$this->setPort($this->url->getPort());
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return $this;
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}
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public function getProtocolVersion()
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{
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return $this->protocolVersion;
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}
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public function setProtocolVersion($protocol)
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{
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$this->protocolVersion = $protocol;
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return $this;
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}
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public function getPath()
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{
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return '/' . ltrim($this->url->getPath(), '/');
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}
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public function setPath($path)
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{
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$this->url->setPath($path);
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return $this;
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}
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public function getPort()
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{
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return $this->url->getPort();
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}
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public function setPort($port)
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{
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$this->url->setPort($port);
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// Include the port in the Host header if it is not the default port for the scheme of the URL
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$scheme = $this->url->getScheme();
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if ($port && (($scheme == 'http' && $port != 80) || ($scheme == 'https' && $port != 443))) {
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$this->headers['host'] = $this->headerFactory->createHeader('Host', $this->url->getHost() . ':' . $port);
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} else {
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$this->headers['host'] = $this->headerFactory->createHeader('Host', $this->url->getHost());
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}
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return $this;
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}
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public function getUsername()
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{
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return $this->username;
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}
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public function getPassword()
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{
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return $this->password;
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}
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public function setAuth($user, $password = '', $scheme = CURLAUTH_BASIC)
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{
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static $authMap = array(
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'basic' => CURLAUTH_BASIC,
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'digest' => CURLAUTH_DIGEST,
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'ntlm' => CURLAUTH_NTLM,
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'any' => CURLAUTH_ANY
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);
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// If we got false or null, disable authentication
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if (!$user) {
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$this->password = $this->username = null;
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$this->removeHeader('Authorization');
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$this->getCurlOptions()->remove(CURLOPT_HTTPAUTH);
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return $this;
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}
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if (!is_numeric($scheme)) {
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$scheme = strtolower($scheme);
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if (!isset($authMap[$scheme])) {
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throw new InvalidArgumentException($scheme . ' is not a valid authentication type');
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}
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$scheme = $authMap[$scheme];
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}
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$this->username = $user;
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$this->password = $password;
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// Bypass CURL when using basic auth to promote connection reuse
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if ($scheme == CURLAUTH_BASIC) {
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$this->getCurlOptions()->remove(CURLOPT_HTTPAUTH);
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$this->setHeader('Authorization', 'Basic ' . base64_encode($this->username . ':' . $this->password));
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} else {
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$this->getCurlOptions()
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->set(CURLOPT_HTTPAUTH, $scheme)
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->set(CURLOPT_USERPWD, $this->username . ':' . $this->password);
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}
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return $this;
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}
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public function getResource()
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{
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$resource = $this->getPath();
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if ($query = (string) $this->url->getQuery()) {
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$resource .= '?' . $query;
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}
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return $resource;
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}
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public function getUrl($asObject = false)
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{
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return $asObject ? clone $this->url : (string) $this->url;
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}
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public function getState()
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{
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return $this->state;
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}
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public function setState($state, array $context = array())
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{
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$oldState = $this->state;
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$this->state = $state;
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switch ($state) {
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case self::STATE_NEW:
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$this->response = null;
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break;
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case self::STATE_TRANSFER:
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if ($oldState !== $state) {
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// Fix Content-Length and Transfer-Encoding collisions
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if ($this->hasHeader('Transfer-Encoding') && $this->hasHeader('Content-Length')) {
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$this->removeHeader('Transfer-Encoding');
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}
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$this->dispatch('request.before_send', array('request' => $this));
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}
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break;
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case self::STATE_COMPLETE:
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if ($oldState !== $state) {
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$this->processResponse($context);
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$this->responseBody = null;
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}
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break;
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case self::STATE_ERROR:
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if (isset($context['exception'])) {
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$this->dispatch('request.exception', array(
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'request' => $this,
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'response' => isset($context['response']) ? $context['response'] : $this->response,
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'exception' => isset($context['exception']) ? $context['exception'] : null
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));
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}
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}
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return $this->state;
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}
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public function getCurlOptions()
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{
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return $this->curlOptions;
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}
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public function startResponse(Response $response)
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{
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$this->state = self::STATE_TRANSFER;
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$response->setEffectiveUrl((string) $this->getUrl());
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$this->response = $response;
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return $this;
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}
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public function setResponse(Response $response, $queued = false)
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{
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$response->setEffectiveUrl((string) $this->url);
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if ($queued) {
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$ed = $this->getEventDispatcher();
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$ed->addListener('request.before_send', $f = function ($e) use ($response, &$f, $ed) {
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$e['request']->setResponse($response);
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$ed->removeListener('request.before_send', $f);
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}, -9999);
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} else {
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$this->response = $response;
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// If a specific response body is specified, then use it instead of the response's body
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if ($this->responseBody && !$this->responseBody->getCustomData('default') && !$response->isRedirect()) {
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$this->getResponseBody()->write((string) $this->response->getBody());
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} else {
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$this->responseBody = $this->response->getBody();
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}
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$this->setState(self::STATE_COMPLETE);
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}
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return $this;
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}
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public function setResponseBody($body)
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{
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// Attempt to open a file for writing if a string was passed
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if (is_string($body)) {
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// @codeCoverageIgnoreStart
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if (!($body = fopen($body, 'w+'))) {
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throw new InvalidArgumentException('Could not open ' . $body . ' for writing');
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}
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// @codeCoverageIgnoreEnd
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}
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$this->responseBody = EntityBody::factory($body);
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return $this;
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}
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public function getResponseBody()
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{
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if ($this->responseBody === null) {
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$this->responseBody = EntityBody::factory()->setCustomData('default', true);
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}
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return $this->responseBody;
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}
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/**
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* Determine if the response body is repeatable (readable + seekable)
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*
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* @return bool
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* @deprecated Use getResponseBody()->isSeekable()
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* @codeCoverageIgnore
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*/
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public function isResponseBodyRepeatable()
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{
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Version::warn(__METHOD__ . ' is deprecated. Use $request->getResponseBody()->isRepeatable()');
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return !$this->responseBody ? true : $this->responseBody->isRepeatable();
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}
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public function getCookies()
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{
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if ($cookie = $this->getHeader('Cookie')) {
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$data = ParserRegistry::getInstance()->getParser('cookie')->parseCookie($cookie);
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return $data['cookies'];
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}
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return array();
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}
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public function getCookie($name)
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{
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$cookies = $this->getCookies();
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return isset($cookies[$name]) ? $cookies[$name] : null;
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}
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public function addCookie($name, $value)
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{
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if (!$this->hasHeader('Cookie')) {
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$this->setHeader('Cookie', "{$name}={$value}");
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} else {
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$this->getHeader('Cookie')->add("{$name}={$value}");
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}
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// Always use semicolons to separate multiple cookie headers
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$this->getHeader('Cookie')->setGlue(';');
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return $this;
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}
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public function removeCookie($name)
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{
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if ($cookie = $this->getHeader('Cookie')) {
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foreach ($cookie as $cookieValue) {
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if (strpos($cookieValue, $name . '=') === 0) {
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$cookie->removeValue($cookieValue);
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}
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}
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}
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return $this;
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}
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public function setEventDispatcher(EventDispatcherInterface $eventDispatcher)
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{
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$this->eventDispatcher = $eventDispatcher;
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$this->eventDispatcher->addListener('request.error', array(__CLASS__, 'onRequestError'), -255);
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return $this;
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}
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public function getEventDispatcher()
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{
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if (!$this->eventDispatcher) {
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$this->setEventDispatcher(new EventDispatcher());
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}
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return $this->eventDispatcher;
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}
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public function dispatch($eventName, array $context = array())
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{
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$context['request'] = $this;
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return $this->getEventDispatcher()->dispatch($eventName, new Event($context));
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}
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public function addSubscriber(EventSubscriberInterface $subscriber)
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{
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$this->getEventDispatcher()->addSubscriber($subscriber);
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return $this;
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}
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/**
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* Get an array containing the request and response for event notifications
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*
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* @return array
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*/
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protected function getEventArray()
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{
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return array(
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'request' => $this,
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'response' => $this->response
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);
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}
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/**
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* Process a received response
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*
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* @param array $context Contextual information
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* @throws RequestException|BadResponseException on unsuccessful responses
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*/
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protected function processResponse(array $context = array())
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{
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if (!$this->response) {
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// If no response, then processResponse shouldn't have been called
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$e = new RequestException('Error completing request');
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$e->setRequest($this);
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throw $e;
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}
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$this->state = self::STATE_COMPLETE;
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// A request was sent, but we don't know if we'll send more or if the final response will be successful
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$this->dispatch('request.sent', $this->getEventArray() + $context);
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// Some response processors will remove the response or reset the state (example: ExponentialBackoffPlugin)
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if ($this->state == RequestInterface::STATE_COMPLETE) {
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// The request completed, so the HTTP transaction is complete
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$this->dispatch('request.complete', $this->getEventArray());
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// If the response is bad, allow listeners to modify it or throw exceptions. You can change the response by
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// modifying the Event object in your listeners or calling setResponse() on the request
|
|
if ($this->response->isError()) {
|
|
$event = new Event($this->getEventArray());
|
|
$this->getEventDispatcher()->dispatch('request.error', $event);
|
|
// Allow events of request.error to quietly change the response
|
|
if ($event['response'] !== $this->response) {
|
|
$this->response = $event['response'];
|
|
}
|
|
}
|
|
|
|
// If a successful response was received, dispatch an event
|
|
if ($this->response->isSuccessful()) {
|
|
$this->dispatch('request.success', $this->getEventArray());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @deprecated Use Guzzle\Plugin\Cache\DefaultCanCacheStrategy
|
|
* @codeCoverageIgnore
|
|
*/
|
|
public function canCache()
|
|
{
|
|
Version::warn(__METHOD__ . ' is deprecated. Use Guzzle\Plugin\Cache\DefaultCanCacheStrategy.');
|
|
if (class_exists('Guzzle\Plugin\Cache\DefaultCanCacheStrategy')) {
|
|
$canCache = new \Guzzle\Plugin\Cache\DefaultCanCacheStrategy();
|
|
return $canCache->canCacheRequest($this);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @deprecated Use the history plugin (not emitting a warning as this is built-into the RedirectPlugin for now)
|
|
* @codeCoverageIgnore
|
|
*/
|
|
public function setIsRedirect($isRedirect)
|
|
{
|
|
$this->isRedirect = $isRedirect;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @deprecated Use the history plugin
|
|
* @codeCoverageIgnore
|
|
*/
|
|
public function isRedirect()
|
|
{
|
|
Version::warn(__METHOD__ . ' is deprecated. Use the HistoryPlugin to track this.');
|
|
return $this->isRedirect;
|
|
}
|
|
}
|