mirror of
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524 lines
16 KiB
PHP
524 lines
16 KiB
PHP
<?php
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namespace Guzzle\Http;
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use Guzzle\Common\Collection;
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use Guzzle\Common\AbstractHasDispatcher;
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use Guzzle\Common\Exception\ExceptionCollection;
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use Guzzle\Common\Exception\InvalidArgumentException;
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use Guzzle\Common\Exception\RuntimeException;
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use Guzzle\Common\Version;
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use Guzzle\Parser\ParserRegistry;
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use Guzzle\Parser\UriTemplate\UriTemplateInterface;
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use Guzzle\Http\Message\RequestInterface;
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use Guzzle\Http\Message\RequestFactory;
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use Guzzle\Http\Message\RequestFactoryInterface;
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use Guzzle\Http\Curl\CurlMultiInterface;
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use Guzzle\Http\Curl\CurlMultiProxy;
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use Guzzle\Http\Curl\CurlHandle;
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use Guzzle\Http\Curl\CurlVersion;
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/**
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* HTTP client
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*/
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class Client extends AbstractHasDispatcher implements ClientInterface
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{
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/** @deprecated Use [request.options][params] */
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const REQUEST_PARAMS = 'request.params';
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const REQUEST_OPTIONS = 'request.options';
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const CURL_OPTIONS = 'curl.options';
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const SSL_CERT_AUTHORITY = 'ssl.certificate_authority';
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const DISABLE_REDIRECTS = RedirectPlugin::DISABLE;
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const DEFAULT_SELECT_TIMEOUT = 1.0;
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const MAX_HANDLES = 3;
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/** @var Collection Default HTTP headers to set on each request */
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protected $defaultHeaders;
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/** @var string The user agent string to set on each request */
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protected $userAgent;
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/** @var Collection Parameter object holding configuration data */
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private $config;
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/** @var Url Base URL of the client */
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private $baseUrl;
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/** @var CurlMultiInterface CurlMulti object used internally */
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private $curlMulti;
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/** @var UriTemplateInterface URI template owned by the client */
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private $uriTemplate;
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/** @var RequestFactoryInterface Request factory used by the client */
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protected $requestFactory;
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public static function getAllEvents()
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{
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return array(self::CREATE_REQUEST);
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}
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/**
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* @param string $baseUrl Base URL of the web service
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* @param array|Collection $config Configuration settings
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*
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* @throws RuntimeException if cURL is not installed
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*/
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public function __construct($baseUrl = '', $config = null)
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{
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if (!extension_loaded('curl')) {
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// @codeCoverageIgnoreStart
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throw new RuntimeException('The PHP cURL extension must be installed to use Guzzle.');
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// @codeCoverageIgnoreEnd
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}
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$this->setConfig($config ?: new Collection());
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$this->initSsl();
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$this->setBaseUrl($baseUrl);
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$this->defaultHeaders = new Collection();
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$this->setRequestFactory(RequestFactory::getInstance());
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$this->userAgent = $this->getDefaultUserAgent();
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if (!$this->config[self::DISABLE_REDIRECTS]) {
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$this->addSubscriber(new RedirectPlugin());
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}
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}
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final public function setConfig($config)
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{
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if ($config instanceof Collection) {
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$this->config = $config;
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} elseif (is_array($config)) {
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$this->config = new Collection($config);
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} else {
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throw new InvalidArgumentException('Config must be an array or Collection');
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}
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return $this;
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}
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final public function getConfig($key = false)
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{
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return $key ? $this->config[$key] : $this->config;
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}
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/**
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* Set a default request option on the client that will be used as a default for each request
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*
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* @param string $keyOrPath request.options key (e.g. allow_redirects) or path to a nested key (e.g. headers/foo)
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* @param mixed $value Value to set
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*
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* @return $this
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*/
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public function setDefaultOption($keyOrPath, $value)
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{
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$keyOrPath = self::REQUEST_OPTIONS . '/' . $keyOrPath;
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$this->config->setPath($keyOrPath, $value);
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return $this;
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}
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/**
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* Retrieve a default request option from the client
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*
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* @param string $keyOrPath request.options key (e.g. allow_redirects) or path to a nested key (e.g. headers/foo)
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*
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* @return mixed|null
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*/
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public function getDefaultOption($keyOrPath)
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{
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$keyOrPath = self::REQUEST_OPTIONS . '/' . $keyOrPath;
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return $this->config->getPath($keyOrPath);
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}
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final public function setSslVerification($certificateAuthority = true, $verifyPeer = true, $verifyHost = 2)
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{
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$opts = $this->config[self::CURL_OPTIONS] ?: array();
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if ($certificateAuthority === true) {
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// use bundled CA bundle, set secure defaults
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$opts[CURLOPT_CAINFO] = __DIR__ . '/Resources/cacert.pem';
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$opts[CURLOPT_SSL_VERIFYPEER] = true;
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$opts[CURLOPT_SSL_VERIFYHOST] = 2;
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} elseif ($certificateAuthority === false) {
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unset($opts[CURLOPT_CAINFO]);
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$opts[CURLOPT_SSL_VERIFYPEER] = false;
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$opts[CURLOPT_SSL_VERIFYHOST] = 0;
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} elseif ($verifyPeer !== true && $verifyPeer !== false && $verifyPeer !== 1 && $verifyPeer !== 0) {
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throw new InvalidArgumentException('verifyPeer must be 1, 0 or boolean');
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} elseif ($verifyHost !== 0 && $verifyHost !== 1 && $verifyHost !== 2) {
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throw new InvalidArgumentException('verifyHost must be 0, 1 or 2');
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} else {
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$opts[CURLOPT_SSL_VERIFYPEER] = $verifyPeer;
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$opts[CURLOPT_SSL_VERIFYHOST] = $verifyHost;
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if (is_file($certificateAuthority)) {
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unset($opts[CURLOPT_CAPATH]);
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$opts[CURLOPT_CAINFO] = $certificateAuthority;
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} elseif (is_dir($certificateAuthority)) {
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unset($opts[CURLOPT_CAINFO]);
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$opts[CURLOPT_CAPATH] = $certificateAuthority;
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} else {
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throw new RuntimeException(
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'Invalid option passed to ' . self::SSL_CERT_AUTHORITY . ': ' . $certificateAuthority
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);
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}
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}
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$this->config->set(self::CURL_OPTIONS, $opts);
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return $this;
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}
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public function createRequest($method = 'GET', $uri = null, $headers = null, $body = null, array $options = array())
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{
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if (!$uri) {
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$url = $this->getBaseUrl();
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} else {
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if (!is_array($uri)) {
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$templateVars = null;
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} else {
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list($uri, $templateVars) = $uri;
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}
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if (strpos($uri, '://')) {
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// Use absolute URLs as-is
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$url = $this->expandTemplate($uri, $templateVars);
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} else {
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$url = Url::factory($this->getBaseUrl())->combine($this->expandTemplate($uri, $templateVars));
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}
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}
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// If default headers are provided, then merge them under any explicitly provided headers for the request
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if (count($this->defaultHeaders)) {
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if (!$headers) {
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$headers = $this->defaultHeaders->toArray();
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} elseif (is_array($headers)) {
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$headers += $this->defaultHeaders->toArray();
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} elseif ($headers instanceof Collection) {
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$headers = $headers->toArray() + $this->defaultHeaders->toArray();
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}
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}
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return $this->prepareRequest($this->requestFactory->create($method, (string) $url, $headers, $body), $options);
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}
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public function getBaseUrl($expand = true)
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{
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return $expand ? $this->expandTemplate($this->baseUrl) : $this->baseUrl;
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}
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public function setBaseUrl($url)
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{
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$this->baseUrl = $url;
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return $this;
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}
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public function setUserAgent($userAgent, $includeDefault = false)
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{
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if ($includeDefault) {
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$userAgent .= ' ' . $this->getDefaultUserAgent();
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}
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$this->userAgent = $userAgent;
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return $this;
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}
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/**
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* Get the default User-Agent string to use with Guzzle
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*
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* @return string
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*/
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public function getDefaultUserAgent()
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{
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return 'Guzzle/' . Version::VERSION
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. ' curl/' . CurlVersion::getInstance()->get('version')
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. ' PHP/' . PHP_VERSION;
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}
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public function get($uri = null, $headers = null, $options = array())
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{
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// BC compat: $options can be a string, resource, etc to specify where the response body is downloaded
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return is_array($options)
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? $this->createRequest('GET', $uri, $headers, null, $options)
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: $this->createRequest('GET', $uri, $headers, $options);
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}
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public function head($uri = null, $headers = null, array $options = array())
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{
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return $this->createRequest('HEAD', $uri, $headers, null, $options);
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}
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public function delete($uri = null, $headers = null, $body = null, array $options = array())
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{
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return $this->createRequest('DELETE', $uri, $headers, $body, $options);
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}
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public function put($uri = null, $headers = null, $body = null, array $options = array())
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{
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return $this->createRequest('PUT', $uri, $headers, $body, $options);
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}
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public function patch($uri = null, $headers = null, $body = null, array $options = array())
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{
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return $this->createRequest('PATCH', $uri, $headers, $body, $options);
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}
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public function post($uri = null, $headers = null, $postBody = null, array $options = array())
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{
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return $this->createRequest('POST', $uri, $headers, $postBody, $options);
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}
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public function options($uri = null, array $options = array())
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{
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return $this->createRequest('OPTIONS', $uri, $options);
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}
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public function send($requests)
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{
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if (!($requests instanceof RequestInterface)) {
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return $this->sendMultiple($requests);
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}
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try {
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/** @var $requests RequestInterface */
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$this->getCurlMulti()->add($requests)->send();
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return $requests->getResponse();
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} catch (ExceptionCollection $e) {
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throw $e->getFirst();
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}
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}
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/**
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* Set a curl multi object to be used internally by the client for transferring requests.
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*
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* @param CurlMultiInterface $curlMulti Multi object
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*
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* @return self
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*/
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public function setCurlMulti(CurlMultiInterface $curlMulti)
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{
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$this->curlMulti = $curlMulti;
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return $this;
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}
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/**
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* @return CurlMultiInterface|CurlMultiProxy
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*/
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public function getCurlMulti()
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{
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if (!$this->curlMulti) {
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$this->curlMulti = new CurlMultiProxy(
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self::MAX_HANDLES,
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$this->getConfig('select_timeout') ?: self::DEFAULT_SELECT_TIMEOUT
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);
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}
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return $this->curlMulti;
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}
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public function setRequestFactory(RequestFactoryInterface $factory)
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{
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$this->requestFactory = $factory;
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return $this;
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}
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/**
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* Set the URI template expander to use with the client
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*
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* @param UriTemplateInterface $uriTemplate URI template expander
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*
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* @return self
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*/
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public function setUriTemplate(UriTemplateInterface $uriTemplate)
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{
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$this->uriTemplate = $uriTemplate;
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return $this;
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}
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/**
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* Expand a URI template while merging client config settings into the template variables
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*
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* @param string $template Template to expand
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* @param array $variables Variables to inject
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*
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* @return string
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*/
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protected function expandTemplate($template, array $variables = null)
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{
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$expansionVars = $this->getConfig()->toArray();
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if ($variables) {
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$expansionVars = $variables + $expansionVars;
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}
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return $this->getUriTemplate()->expand($template, $expansionVars);
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}
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/**
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* Get the URI template expander used by the client
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*
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* @return UriTemplateInterface
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*/
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protected function getUriTemplate()
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{
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if (!$this->uriTemplate) {
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$this->uriTemplate = ParserRegistry::getInstance()->getParser('uri_template');
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}
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return $this->uriTemplate;
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}
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/**
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* Send multiple requests in parallel
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*
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* @param array $requests Array of RequestInterface objects
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*
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* @return array Returns an array of Response objects
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*/
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protected function sendMultiple(array $requests)
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{
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$curlMulti = $this->getCurlMulti();
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foreach ($requests as $request) {
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$curlMulti->add($request);
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}
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$curlMulti->send();
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/** @var $request RequestInterface */
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$result = array();
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foreach ($requests as $request) {
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$result[] = $request->getResponse();
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}
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return $result;
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}
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/**
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* Prepare a request to be sent from the Client by adding client specific behaviors and properties to the request.
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*
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* @param RequestInterface $request Request to prepare for the client
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* @param array $options Options to apply to the request
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*
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* @return RequestInterface
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*/
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protected function prepareRequest(RequestInterface $request, array $options = array())
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{
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$request->setClient($this)->setEventDispatcher(clone $this->getEventDispatcher());
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if ($curl = $this->config[self::CURL_OPTIONS]) {
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$request->getCurlOptions()->overwriteWith(CurlHandle::parseCurlConfig($curl));
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}
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if ($params = $this->config[self::REQUEST_PARAMS]) {
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Version::warn('request.params is deprecated. Use request.options to add default request options.');
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$request->getParams()->overwriteWith($params);
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}
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if ($this->userAgent && !$request->hasHeader('User-Agent')) {
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$request->setHeader('User-Agent', $this->userAgent);
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}
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if ($defaults = $this->config[self::REQUEST_OPTIONS]) {
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$this->requestFactory->applyOptions($request, $defaults, RequestFactoryInterface::OPTIONS_AS_DEFAULTS);
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}
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if ($options) {
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$this->requestFactory->applyOptions($request, $options);
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}
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$this->dispatch('client.create_request', array('client' => $this, 'request' => $request));
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return $request;
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}
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/**
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* Initializes SSL settings
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*/
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protected function initSsl()
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{
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$authority = $this->config[self::SSL_CERT_AUTHORITY];
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if ($authority === 'system') {
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return;
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}
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if ($authority === null) {
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$authority = true;
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}
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if ($authority === true && substr(__FILE__, 0, 7) == 'phar://') {
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$authority = self::extractPharCacert(__DIR__ . '/Resources/cacert.pem');
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}
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$this->setSslVerification($authority);
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}
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/**
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* @deprecated
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*/
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public function getDefaultHeaders()
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{
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Version::warn(__METHOD__ . ' is deprecated. Use the request.options array to retrieve default request options');
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return $this->defaultHeaders;
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}
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/**
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* @deprecated
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*/
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public function setDefaultHeaders($headers)
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{
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Version::warn(__METHOD__ . ' is deprecated. Use the request.options array to specify default request options');
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if ($headers instanceof Collection) {
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$this->defaultHeaders = $headers;
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} elseif (is_array($headers)) {
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$this->defaultHeaders = new Collection($headers);
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} else {
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throw new InvalidArgumentException('Headers must be an array or Collection');
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}
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return $this;
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}
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/**
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* @deprecated
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*/
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public function preparePharCacert($md5Check = true)
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{
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return sys_get_temp_dir() . '/guzzle-cacert.pem';
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}
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/**
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* Copies the phar cacert from a phar into the temp directory.
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*
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* @param string $pharCacertPath Path to the phar cacert. For example:
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* 'phar://aws.phar/Guzzle/Http/Resources/cacert.pem'
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*
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* @return string Returns the path to the extracted cacert file.
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* @throws \RuntimeException Throws if the phar cacert cannot be found or
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* the file cannot be copied to the temp dir.
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*/
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public static function extractPharCacert($pharCacertPath)
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{
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// Copy the cacert.pem file from the phar if it is not in the temp
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// folder.
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$certFile = sys_get_temp_dir() . '/guzzle-cacert.pem';
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if (!file_exists($pharCacertPath)) {
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throw new \RuntimeException("Could not find $pharCacertPath");
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}
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if (!file_exists($certFile) ||
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filesize($certFile) != filesize($pharCacertPath)
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) {
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if (!copy($pharCacertPath, $certFile)) {
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throw new \RuntimeException(
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"Could not copy {$pharCacertPath} to {$certFile}: "
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. var_export(error_get_last(), true)
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);
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}
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}
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return $certFile;
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}
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}
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