modern-events-calendar-lite/app/api/Google/IO/Curl.php

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2024-10-15 12:04:03 +02:00
<?php
/*
* Copyright 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Curl based implementation of Google_IO.
*
* @author Stuart Langley <slangley@google.com>
*/
if (!class_exists('Google_Client')) {
require_once dirname(__FILE__) . '/../autoload.php';
}
class Google_IO_Curl extends Google_IO_Abstract
{
// cURL hex representation of version 7.30.0
const NO_QUIRK_VERSION = 0x071E00;
private $options = [];
/** @var bool $disableProxyWorkaround */
private $disableProxyWorkaround;
public function __construct(Google_Client $client)
{
if (!extension_loaded('curl')) {
$error = 'The cURL IO handler requires the cURL extension to be enabled';
$client->getLogger()->critical($error);
throw new Google_IO_Exception($error);
}
parent::__construct($client);
$this->disableProxyWorkaround = $this->client->getClassConfig(
'Google_IO_Curl',
'disable_proxy_workaround'
);
}
/**
* Execute an HTTP Request
*
* @param Google_Http_Request $request the http request to be executed
* @return array containing response headers, body, and http code
* @throws Google_IO_Exception on curl or IO error
*/
public function executeRequest(Google_Http_Request $request)
{
$curl = curl_init();
if ($request->getPostBody()) {
curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getPostBody());
}
$requestHeaders = $request->getRequestHeaders();
if ($requestHeaders && is_array($requestHeaders)) {
$curlHeaders = [];
foreach ($requestHeaders as $k => $v) {
$curlHeaders[] = "$k: $v";
}
curl_setopt($curl, CURLOPT_HTTPHEADER, $curlHeaders);
}
curl_setopt($curl, CURLOPT_URL, $request->getUrl());
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $request->getRequestMethod());
curl_setopt($curl, CURLOPT_USERAGENT, $request->getUserAgent());
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
// The SSL version will be determined by the underlying library
// @see https://github.com/google/google-api-php-client/pull/644
//curl_setopt($curl, CURLOPT_SSLVERSION, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HEADER, true);
if ($request->canGzip()) {
curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
}
$options = $this->client->getClassConfig('Google_IO_Curl', 'options');
if (is_array($options)) {
$this->setOptions($options);
}
foreach ($this->options as $key => $var) {
curl_setopt($curl, $key, $var);
}
if (!isset($this->options[CURLOPT_CAINFO])) {
curl_setopt($curl, CURLOPT_CAINFO, dirname(__FILE__) . '/cacerts.pem');
}
$this->client->getLogger()->debug(
'cURL request',
array(
'url' => $request->getUrl(),
'method' => $request->getRequestMethod(),
'headers' => $requestHeaders,
'body' => $request->getPostBody()
)
);
$response = curl_exec($curl);
if ($response === false) {
$error = curl_error($curl);
$code = curl_errno($curl);
$map = $this->client->getClassConfig('Google_IO_Exception', 'retry_map');
$this->client->getLogger()->error('cURL ' . $error);
throw new Google_IO_Exception($error, $code, null, $map);
}
$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
list($responseHeaders, $responseBody) = $this->parseHttpResponse($response, $headerSize);
$responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
$this->client->getLogger()->debug(
'cURL response',
array(
'code' => $responseCode,
'headers' => $responseHeaders,
'body' => $responseBody,
)
);
return array($responseBody, $responseHeaders, $responseCode);
}
/**
* Set options that update the transport implementation's behavior.
* @param $options
*/
public function setOptions($options)
{
$this->options = $options + $this->options;
}
/**
* Set the maximum request time in seconds.
* @param $timeout in seconds
*/
public function setTimeout($timeout)
{
// Since this timeout is really for putting a bound on the time
// we'll set them both to the same. If you need to specify a longer
// CURLOPT_TIMEOUT, or a higher CONNECTTIMEOUT, the best thing to
// do is use the setOptions method for the values individually.
$this->options[CURLOPT_CONNECTTIMEOUT] = $timeout;
$this->options[CURLOPT_TIMEOUT] = $timeout;
}
/**
* Get the maximum request time in seconds.
* @return timeout in seconds
*/
public function getTimeout()
{
return $this->options[CURLOPT_TIMEOUT];
}
/**
* Test for the presence of a cURL header processing bug
*
* {@inheritDoc}
*
* @return boolean
*/
protected function needsQuirk()
{
if ($this->disableProxyWorkaround) {
return false;
}
$ver = curl_version();
$versionNum = $ver['version_number'];
return $versionNum < Google_IO_Curl::NO_QUIRK_VERSION;
}
}