<?php

[0] Fix | Delete

namespace GuzzleHttp\Handler;

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[2] Fix | Delete

use GuzzleHttp\Exception\ConnectException;

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use GuzzleHttp\Exception\RequestException;

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use GuzzleHttp\Promise\FulfilledPromise;

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use GuzzleHttp\Psr7;

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use GuzzleHttp\Psr7\LazyOpenStream;

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use GuzzleHttp\TransferStats;

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use Psr\Http\Message\RequestInterface;

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/**

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* Creates curl resources from a request

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*/

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class CurlFactory implements CurlFactoryInterface

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{

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const CURL_VERSION_STR = 'curl_version';

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const LOW_CURL_VERSION_NUMBER = '7.21.2';

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/** @var array */

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private $handles = [];

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/** @var int Total number of idle handles to keep in cache */

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private $maxHandles;

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/**

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* @param int $maxHandles Maximum number of idle handles.

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*/

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public function __construct($maxHandles)

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{

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$this->maxHandles = $maxHandles;

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}

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public function create(RequestInterface $request, array $options)

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{

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if (isset($options['curl']['body_as_string'])) {

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$options['_body_as_string'] = $options['curl']['body_as_string'];

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unset($options['curl']['body_as_string']);

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}

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$easy = new EasyHandle;

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$easy->request = $request;

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$easy->options = $options;

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$conf = $this->getDefaultConf($easy);

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$this->applyMethod($easy, $conf);

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$this->applyHandlerOptions($easy, $conf);

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$this->applyHeaders($easy, $conf);

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unset($conf['_headers']);

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[48] Fix | Delete

// Add handler options from the request configuration options

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if (isset($options['curl'])) {

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$conf = array_replace($conf, $options['curl']);

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}

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$conf[CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy);

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$easy->handle = $this->handles

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? array_pop($this->handles)

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: curl_init();

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curl_setopt_array($easy->handle, $conf);

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return $easy;

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}

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public function release(EasyHandle $easy)

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{

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$resource = $easy->handle;

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unset($easy->handle);

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if (count($this->handles) >= $this->maxHandles) {

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curl_close($resource);

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} else {

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// Remove all callback functions as they can hold onto references

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// and are not cleaned up by curl_reset. Using curl_setopt_array

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// does not work for some reason, so removing each one

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// individually.

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curl_setopt($resource, CURLOPT_HEADERFUNCTION, null);

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curl_setopt($resource, CURLOPT_READFUNCTION, null);

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curl_setopt($resource, CURLOPT_WRITEFUNCTION, null);

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curl_setopt($resource, CURLOPT_PROGRESSFUNCTION, null);

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curl_reset($resource);

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$this->handles[] = $resource;

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}

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}

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/**

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* Completes a cURL transaction, either returning a response promise or a

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* rejected promise.

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*

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* @param callable $handler

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* @param EasyHandle $easy

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* @param CurlFactoryInterface $factory Dictates how the handle is released

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*

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* @return \GuzzleHttp\Promise\PromiseInterface

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*/

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public static function finish(

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callable $handler,

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EasyHandle $easy,

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CurlFactoryInterface $factory

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) {

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if (isset($easy->options['on_stats'])) {

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self::invokeStats($easy);

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}

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if (!$easy->response || $easy->errno) {

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return self::finishError($handler, $easy, $factory);

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}

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// Return the response if it is present and there is no error.

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$factory->release($easy);

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// Rewind the body of the response if possible.

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$body = $easy->response->getBody();

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if ($body->isSeekable()) {

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$body->rewind();

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}

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return new FulfilledPromise($easy->response);

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}

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private static function invokeStats(EasyHandle $easy)

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{

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$curlStats = curl_getinfo($easy->handle);

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$curlStats['appconnect_time'] = curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME);

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$stats = new TransferStats(

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$easy->request,

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$easy->response,

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$curlStats['total_time'],

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$easy->errno,

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$curlStats

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);

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call_user_func($easy->options['on_stats'], $stats);

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}

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private static function finishError(

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callable $handler,

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EasyHandle $easy,

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CurlFactoryInterface $factory

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) {

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// Get error information and release the handle to the factory.

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$ctx = [

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'errno' => $easy->errno,

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'error' => curl_error($easy->handle),

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'appconnect_time' => curl_getinfo($easy->handle, CURLINFO_APPCONNECT_TIME),

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] + curl_getinfo($easy->handle);

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$ctx[self::CURL_VERSION_STR] = curl_version()['version'];

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$factory->release($easy);

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// Retry when nothing is present or when curl failed to rewind.

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if (empty($easy->options['_err_message'])

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&& (!$easy->errno || $easy->errno == 65)

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) {

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return self::retryFailedRewind($handler, $easy, $ctx);

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}

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return self::createRejection($easy, $ctx);

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}

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private static function createRejection(EasyHandle $easy, array $ctx)

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{

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static $connectionErrors = [

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CURLE_OPERATION_TIMEOUTED => true,

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CURLE_COULDNT_RESOLVE_HOST => true,

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CURLE_COULDNT_CONNECT => true,

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CURLE_SSL_CONNECT_ERROR => true,

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CURLE_GOT_NOTHING => true,

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];

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// If an exception was encountered during the onHeaders event, then

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// return a rejected promise that wraps that exception.

[168] Fix | Delete

if ($easy->onHeadersException) {

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return \GuzzleHttp\Promise\rejection_for(

[170] Fix | Delete

new RequestException(

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'An error was encountered during the on_headers event',

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$easy->request,

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$easy->response,

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$easy->onHeadersException,

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$ctx

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)

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);

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}

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if (version_compare($ctx[self::CURL_VERSION_STR], self::LOW_CURL_VERSION_NUMBER)) {

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$message = sprintf(

[181] Fix | Delete

'cURL error %s: %s (%s)',

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$ctx['errno'],

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$ctx['error'],

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'see https://curl.haxx.se/libcurl/c/libcurl-errors.html'

[185] Fix | Delete

);

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} else {

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$message = sprintf(

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'cURL error %s: %s (%s) for %s',

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$ctx['errno'],

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$ctx['error'],

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'see https://curl.haxx.se/libcurl/c/libcurl-errors.html',

[192] Fix | Delete

$easy->request->getUri()

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);

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}

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// Create a connection exception if it was a specific error code.

[197] Fix | Delete

$error = isset($connectionErrors[$easy->errno])

[198] Fix | Delete

? new ConnectException($message, $easy->request, null, $ctx)

[199] Fix | Delete

: new RequestException($message, $easy->request, $easy->response, null, $ctx);

[200] Fix | Delete

[201] Fix | Delete

return \GuzzleHttp\Promise\rejection_for($error);

[202] Fix | Delete

}

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[204] Fix | Delete

private function getDefaultConf(EasyHandle $easy)

[205] Fix | Delete

{

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$conf = [

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'_headers' => $easy->request->getHeaders(),

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CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(),

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CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''),

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CURLOPT_RETURNTRANSFER => false,

[211] Fix | Delete

CURLOPT_HEADER => false,

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CURLOPT_CONNECTTIMEOUT => 150,

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];

[214] Fix | Delete

[215] Fix | Delete

if (defined('CURLOPT_PROTOCOLS')) {

[216] Fix | Delete

$conf[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS;

[217] Fix | Delete

}

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$version = $easy->request->getProtocolVersion();

[220] Fix | Delete

if ($version == 1.1) {

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$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1;

[222] Fix | Delete

} elseif ($version == 2.0) {

[223] Fix | Delete

$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_2_0;

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} else {

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$conf[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;

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}

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[228] Fix | Delete

return $conf;

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}

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[231] Fix | Delete

private function applyMethod(EasyHandle $easy, array &$conf)

[232] Fix | Delete

{

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$body = $easy->request->getBody();

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$size = $body->getSize();

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[236] Fix | Delete

if ($size === null || $size > 0) {

[237] Fix | Delete

$this->applyBody($easy->request, $easy->options, $conf);

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return;

[239] Fix | Delete

}

[240] Fix | Delete

[241] Fix | Delete

$method = $easy->request->getMethod();

[242] Fix | Delete

if ($method === 'PUT' || $method === 'POST') {

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// See http://tools.ietf.org/html/rfc7230#section-3.3.2

[244] Fix | Delete

if (!$easy->request->hasHeader('Content-Length')) {

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$conf[CURLOPT_HTTPHEADER][] = 'Content-Length: 0';

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}

[247] Fix | Delete

} elseif ($method === 'HEAD') {

[248] Fix | Delete

$conf[CURLOPT_NOBODY] = true;

[249] Fix | Delete

unset(

[250] Fix | Delete

$conf[CURLOPT_WRITEFUNCTION],

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$conf[CURLOPT_READFUNCTION],

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$conf[CURLOPT_FILE],

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$conf[CURLOPT_INFILE]

[254] Fix | Delete

);

[255] Fix | Delete

}

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}

[257] Fix | Delete

[258] Fix | Delete

private function applyBody(RequestInterface $request, array $options, array &$conf)

[259] Fix | Delete

{

[260] Fix | Delete

$size = $request->hasHeader('Content-Length')

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? (int) $request->getHeaderLine('Content-Length')

[262] Fix | Delete

: null;

[263] Fix | Delete

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// Send the body as a string if the size is less than 1MB OR if the

[265] Fix | Delete

// [curl][body_as_string] request value is set.

[266] Fix | Delete

if (($size !== null && $size < 1000000) ||

[267] Fix | Delete

!empty($options['_body_as_string'])

[268] Fix | Delete

) {

[269] Fix | Delete

$conf[CURLOPT_POSTFIELDS] = (string) $request->getBody();

[270] Fix | Delete

// Don't duplicate the Content-Length header

[271] Fix | Delete

$this->removeHeader('Content-Length', $conf);

[272] Fix | Delete

$this->removeHeader('Transfer-Encoding', $conf);

[273] Fix | Delete

} else {

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$conf[CURLOPT_UPLOAD] = true;

[275] Fix | Delete

if ($size !== null) {

[276] Fix | Delete

$conf[CURLOPT_INFILESIZE] = $size;

[277] Fix | Delete

$this->removeHeader('Content-Length', $conf);

[278] Fix | Delete

}

[279] Fix | Delete

$body = $request->getBody();

[280] Fix | Delete

if ($body->isSeekable()) {

[281] Fix | Delete

$body->rewind();

[282] Fix | Delete

}

[283] Fix | Delete

$conf[CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use ($body) {

[284] Fix | Delete

return $body->read($length);

[285] Fix | Delete

};

[286] Fix | Delete

}

[287] Fix | Delete

[288] Fix | Delete

// If the Expect header is not present, prevent curl from adding it

[289] Fix | Delete

if (!$request->hasHeader('Expect')) {

[290] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = 'Expect:';

[291] Fix | Delete

}

[292] Fix | Delete

[293] Fix | Delete

// cURL sometimes adds a content-type by default. Prevent this.

[294] Fix | Delete

if (!$request->hasHeader('Content-Type')) {

[295] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = 'Content-Type:';

[296] Fix | Delete

}

[297] Fix | Delete

}

[298] Fix | Delete

[299] Fix | Delete

private function applyHeaders(EasyHandle $easy, array &$conf)

[300] Fix | Delete

{

[301] Fix | Delete

foreach ($conf['_headers'] as $name => $values) {

[302] Fix | Delete

foreach ($values as $value) {

[303] Fix | Delete

$value = (string) $value;

[304] Fix | Delete

if ($value === '') {

[305] Fix | Delete

// cURL requires a special format for empty headers.

[306] Fix | Delete

// See https://github.com/guzzle/guzzle/issues/1882 for more details.

[307] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = "$name;";

[308] Fix | Delete

} else {

[309] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = "$name: $value";

[310] Fix | Delete

}

[311] Fix | Delete

}

[312] Fix | Delete

}

[313] Fix | Delete

[314] Fix | Delete

// Remove the Accept header if one was not set

[315] Fix | Delete

if (!$easy->request->hasHeader('Accept')) {

[316] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = 'Accept:';

[317] Fix | Delete

}

[318] Fix | Delete

}

[319] Fix | Delete

[320] Fix | Delete

/**

[321] Fix | Delete

* Remove a header from the options array.

[322] Fix | Delete

*

[323] Fix | Delete

* @param string $name Case-insensitive header to remove

[324] Fix | Delete

* @param array $options Array of options to modify

[325] Fix | Delete

*/

[326] Fix | Delete

private function removeHeader($name, array &$options)

[327] Fix | Delete

{

[328] Fix | Delete

foreach (array_keys($options['_headers']) as $key) {

[329] Fix | Delete

if (!strcasecmp($key, $name)) {

[330] Fix | Delete

unset($options['_headers'][$key]);

[331] Fix | Delete

return;

[332] Fix | Delete

}

[333] Fix | Delete

}

[334] Fix | Delete

}

[335] Fix | Delete

[336] Fix | Delete

private function applyHandlerOptions(EasyHandle $easy, array &$conf)

[337] Fix | Delete

{

[338] Fix | Delete

$options = $easy->options;

[339] Fix | Delete

if (isset($options['verify'])) {

[340] Fix | Delete

if ($options['verify'] === false) {

[341] Fix | Delete

unset($conf[CURLOPT_CAINFO]);

[342] Fix | Delete

$conf[CURLOPT_SSL_VERIFYHOST] = 0;

[343] Fix | Delete

$conf[CURLOPT_SSL_VERIFYPEER] = false;

[344] Fix | Delete

} else {

[345] Fix | Delete

$conf[CURLOPT_SSL_VERIFYHOST] = 2;

[346] Fix | Delete

$conf[CURLOPT_SSL_VERIFYPEER] = true;

[347] Fix | Delete

if (is_string($options['verify'])) {

[348] Fix | Delete

// Throw an error if the file/folder/link path is not valid or doesn't exist.

[349] Fix | Delete

if (!file_exists($options['verify'])) {

[350] Fix | Delete

throw new \InvalidArgumentException(

[351] Fix | Delete

"SSL CA bundle not found: {$options['verify']}"

[352] Fix | Delete

);

[353] Fix | Delete

}

[354] Fix | Delete

// If it's a directory or a link to a directory use CURLOPT_CAPATH.

[355] Fix | Delete

// If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO.

[356] Fix | Delete

if (is_dir($options['verify']) ||

[357] Fix | Delete

(is_link($options['verify']) && is_dir(readlink($options['verify'])))) {

[358] Fix | Delete

$conf[CURLOPT_CAPATH] = $options['verify'];

[359] Fix | Delete

} else {

[360] Fix | Delete

$conf[CURLOPT_CAINFO] = $options['verify'];

[361] Fix | Delete

}

[362] Fix | Delete

}

[363] Fix | Delete

}

[364] Fix | Delete

}

[365] Fix | Delete

[366] Fix | Delete

if (!empty($options['decode_content'])) {

[367] Fix | Delete

$accept = $easy->request->getHeaderLine('Accept-Encoding');

[368] Fix | Delete

if ($accept) {

[369] Fix | Delete

$conf[CURLOPT_ENCODING] = $accept;

[370] Fix | Delete

} else {

[371] Fix | Delete

$conf[CURLOPT_ENCODING] = '';

[372] Fix | Delete

// Don't let curl send the header over the wire

[373] Fix | Delete

$conf[CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';

[374] Fix | Delete

}

[375] Fix | Delete

}

[376] Fix | Delete

[377] Fix | Delete

if (isset($options['sink'])) {

[378] Fix | Delete

$sink = $options['sink'];

[379] Fix | Delete

if (!is_string($sink)) {

[380] Fix | Delete

$sink = \GuzzleHttp\Psr7\stream_for($sink);

[381] Fix | Delete

} elseif (!is_dir(dirname($sink))) {

[382] Fix | Delete

// Ensure that the directory exists before failing in curl.

[383] Fix | Delete

throw new \RuntimeException(sprintf(

[384] Fix | Delete

'Directory %s does not exist for sink value of %s',

[385] Fix | Delete

dirname($sink),

[386] Fix | Delete

$sink

[387] Fix | Delete

));

[388] Fix | Delete

} else {

[389] Fix | Delete

$sink = new LazyOpenStream($sink, 'w+');

[390] Fix | Delete

}

[391] Fix | Delete

$easy->sink = $sink;

[392] Fix | Delete

$conf[CURLOPT_WRITEFUNCTION] = function ($ch, $write) use ($sink) {

[393] Fix | Delete

return $sink->write($write);

[394] Fix | Delete

};

[395] Fix | Delete

} else {

[396] Fix | Delete

// Use a default temp stream if no sink was set.

[397] Fix | Delete

$conf[CURLOPT_FILE] = fopen('php://temp', 'w+');

[398] Fix | Delete

$easy->sink = Psr7\stream_for($conf[CURLOPT_FILE]);

[399] Fix | Delete

}

[400] Fix | Delete

$timeoutRequiresNoSignal = false;

[401] Fix | Delete

if (isset($options['timeout'])) {

[402] Fix | Delete

$timeoutRequiresNoSignal |= $options['timeout'] < 1;

[403] Fix | Delete

$conf[CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;

[404] Fix | Delete

}

[405] Fix | Delete

[406] Fix | Delete

// CURL default value is CURL_IPRESOLVE_WHATEVER

[407] Fix | Delete

if (isset($options['force_ip_resolve'])) {

[408] Fix | Delete

if ('v4' === $options['force_ip_resolve']) {

[409] Fix | Delete

$conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;

[410] Fix | Delete

} elseif ('v6' === $options['force_ip_resolve']) {

[411] Fix | Delete

$conf[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V6;

[412] Fix | Delete

}

[413] Fix | Delete

}

[414] Fix | Delete

[415] Fix | Delete

if (isset($options['connect_timeout'])) {

[416] Fix | Delete

$timeoutRequiresNoSignal |= $options['connect_timeout'] < 1;

[417] Fix | Delete

$conf[CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;

[418] Fix | Delete

}

[419] Fix | Delete

[420] Fix | Delete

if ($timeoutRequiresNoSignal && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {

[421] Fix | Delete

$conf[CURLOPT_NOSIGNAL] = true;

[422] Fix | Delete

}

[423] Fix | Delete

[424] Fix | Delete

if (isset($options['proxy'])) {

[425] Fix | Delete

if (!is_array($options['proxy'])) {

[426] Fix | Delete

$conf[CURLOPT_PROXY] = $options['proxy'];

[427] Fix | Delete

} else {

[428] Fix | Delete

$scheme = $easy->request->getUri()->getScheme();

[429] Fix | Delete

if (isset($options['proxy'][$scheme])) {

[430] Fix | Delete

$host = $easy->request->getUri()->getHost();

[431] Fix | Delete

if (!isset($options['proxy']['no']) ||

[432] Fix | Delete

!\GuzzleHttp\is_host_in_noproxy($host, $options['proxy']['no'])

[433] Fix | Delete

) {

[434] Fix | Delete

$conf[CURLOPT_PROXY] = $options['proxy'][$scheme];

[435] Fix | Delete

}

[436] Fix | Delete

}

[437] Fix | Delete

}

[438] Fix | Delete

}

[439] Fix | Delete

[440] Fix | Delete

if (isset($options['cert'])) {

[441] Fix | Delete

$cert = $options['cert'];

[442] Fix | Delete

if (is_array($cert)) {

[443] Fix | Delete

$conf[CURLOPT_SSLCERTPASSWD] = $cert[1];

[444] Fix | Delete

$cert = $cert[0];

[445] Fix | Delete

}

[446] Fix | Delete

if (!file_exists($cert)) {

[447] Fix | Delete

throw new \InvalidArgumentException(

[448] Fix | Delete

"SSL certificate not found: {$cert}"

[449] Fix | Delete

);

[450] Fix | Delete

}

[451] Fix | Delete

$conf[CURLOPT_SSLCERT] = $cert;

[452] Fix | Delete

}

[453] Fix | Delete

[454] Fix | Delete

if (isset($options['ssl_key'])) {

[455] Fix | Delete

if (is_array($options['ssl_key'])) {

[456] Fix | Delete

if (count($options['ssl_key']) === 2) {

[457] Fix | Delete

list($sslKey, $conf[CURLOPT_SSLKEYPASSWD]) = $options['ssl_key'];

[458] Fix | Delete

} else {

[459] Fix | Delete

list($sslKey) = $options['ssl_key'];

[460] Fix | Delete

}

[461] Fix | Delete

}

[462] Fix | Delete

[463] Fix | Delete

$sslKey = isset($sslKey) ? $sslKey: $options['ssl_key'];

[464] Fix | Delete

[465] Fix | Delete

if (!file_exists($sslKey)) {

[466] Fix | Delete

throw new \InvalidArgumentException(

[467] Fix | Delete

"SSL private key not found: {$sslKey}"

[468] Fix | Delete

);

[469] Fix | Delete

}

[470] Fix | Delete

$conf[CURLOPT_SSLKEY] = $sslKey;

[471] Fix | Delete

}

[472] Fix | Delete

[473] Fix | Delete

if (isset($options['progress'])) {

[474] Fix | Delete

$progress = $options['progress'];

[475] Fix | Delete

if (!is_callable($progress)) {

[476] Fix | Delete

throw new \InvalidArgumentException(

[477] Fix | Delete

'progress client option must be callable'

[478] Fix | Delete

);

[479] Fix | Delete

}

[480] Fix | Delete

$conf[CURLOPT_NOPROGRESS] = false;

[481] Fix | Delete

$conf[CURLOPT_PROGRESSFUNCTION] = function () use ($progress) {

[482] Fix | Delete

$args = func_get_args();

[483] Fix | Delete

// PHP 5.5 pushed the handle onto the start of the args

[484] Fix | Delete

if (is_resource($args[0])) {

[485] Fix | Delete

array_shift($args);

[486] Fix | Delete

}

[487] Fix | Delete

call_user_func_array($progress, $args);

[488] Fix | Delete

};

[489] Fix | Delete

}

[490] Fix | Delete

[491] Fix | Delete

if (!empty($options['debug'])) {

[492] Fix | Delete

$conf[CURLOPT_STDERR] = \GuzzleHttp\debug_resource($options['debug']);

[493] Fix | Delete

$conf[CURLOPT_VERBOSE] = true;

[494] Fix | Delete

}

[495] Fix | Delete

}

[496] Fix | Delete

[497] Fix | Delete

/**

[498] Fix | Delete

* This function ensures that a response was set on a transaction. If one

[499] Fix | Delete