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Curl.php
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Curl.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.7.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Http\Client\Adapter;
use Cake\Http\Client\AdapterInterface;
use Cake\Http\Client\Request;
use Cake\Http\Client\Response;
use Cake\Http\Exception\HttpException;
/**
* Implements sending Cake\Http\Client\Request
* via ext/curl.
*/
class Curl implements AdapterInterface
{
/**
* {@inheritDoc}
*/
public function send(Request $request, array $options)
{
$ch = curl_init();
$options = $this->buildOptions($request, $options);
curl_setopt_array($ch, $options);
$body = $this->exec($ch);
if ($body === false) {
$errorCode = curl_errno($ch);
$error = curl_error($ch);
curl_close($ch);
throw new HttpException("cURL Error ({$errorCode}) {$error}");
}
$responses = $this->createResponse($ch, $body);
curl_close($ch);
return $responses;
}
/**
* Convert client options into curl options.
*
* @param \Cake\Http\Client\Request $request The request.
* @param array $options The client options
* @return array
*/
public function buildOptions(Request $request, array $options)
{
$headers = [];
foreach ($request->getHeaders() as $key => $values) {
$headers[] = $key . ': ' . implode(', ', $values);
}
$out = [
CURLOPT_URL => (string)$request->getUri(),
CURLOPT_HTTP_VERSION => $request->getProtocolVersion(),
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER => true,
CURLOPT_HTTPHEADER => $headers
];
switch ($request->getMethod()) {
case Request::METHOD_GET:
$out[CURLOPT_HTTPGET] = true;
break;
case Request::METHOD_POST:
$out[CURLOPT_POST] = true;
break;
default:
$out[CURLOPT_POST] = true;
$out[CURLOPT_CUSTOMREQUEST] = $request->getMethod();
break;
}
$body = $request->getBody();
if ($body) {
$body->rewind();
$out[CURLOPT_POSTFIELDS] = $body->getContents();
}
if (empty($options['ssl_cafile'])) {
$options['ssl_cafile'] = CORE_PATH . 'config' . DIRECTORY_SEPARATOR . 'cacert.pem';
}
$optionMap = [
'timeout' => CURLOPT_TIMEOUT,
'ssl_verify_peer' => CURLOPT_SSL_VERIFYPEER,
'ssl_verify_host' => CURLOPT_SSL_VERIFYHOST,
'ssl_verify_status' => CURLOPT_SSL_VERIFYSTATUS,
'ssl_cafile' => CURLOPT_CAINFO,
'ssl_local_cert' => CURLOPT_SSLCERT,
'ssl_passphrase' => CURLOPT_SSLCERTPASSWD,
];
foreach ($optionMap as $option => $curlOpt) {
if (isset($options[$option])) {
$out[$curlOpt] = $options[$option];
}
}
if (isset($options['proxy']['proxy'])) {
$out[CURLOPT_PROXY] = $options['proxy']['proxy'];
}
return $out;
}
/**
* Convert the raw curl response into an Http\Client\Response
*
* @param resource $handle Curl handle
* @param string $responseData string The response data from curl_exec
* @return \Cake\Http\Client\Response[]
*/
protected function createResponse($handle, $responseData)
{
$meta = curl_getinfo($handle);
$headers = trim(substr($responseData, 0, $meta['header_size']));
$body = substr($responseData, $meta['header_size']);
$response = new Response(explode("\r\n", $headers), $body);
return [$response];
}
/**
* Execute the curl handle.
*
* @param resource $ch Curl Resource handle
* @return string
*/
protected function exec($ch)
{
return curl_exec($ch);
}
}