You need to create the path: /Magento/Framework/HTTP/Client/ and then create the Curl.php file and put the code inside. Save. Done.
And you need this code:
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\HTTP\Client;
/**
* Class to work with HTTP protocol using curl library
*
* @author Magento Core Team <core@magentocommerce.com>
* @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
*/
class Curl implements \Magento\Framework\HTTP\ClientInterface
{
/**
* Max supported protocol by curl CURL_SSLVERSION_TLSv1_2
* @var int
*/
private $sslVersion;
/**
* Hostname
* @var string
*/
protected $_host = 'localhost';
/**
* Port
* @var int
*/
protected $_port = 80;
/**
* Stream resource
* @var object
*/
protected $_sock = null;
/**
* Request headers
* @var array
*/
protected $_headers = [];
/**
* Fields for POST method - hash
* @var array
*/
protected $_postFields = [];
/**
* Request cookies
* @var array
*/
protected $_cookies = [];
/**
* Response headers
* @var array
*/
protected $_responseHeaders = [];
/**
* Response body
* @var string
*/
protected $_responseBody = '';
/**
* Response status
* @var int
*/
protected $_responseStatus = 0;
/**
* Request timeout
* @var int type
*/
protected $_timeout = 300;
/**
* TODO
* @var int
*/
protected $_redirectCount = 0;
/**
* Curl
* @var resource
*/
protected $_ch;
/**
* User overrides options hash
* Are applied before curl_exec
*
* @var array
*/
protected $_curlUserOptions = [];
/**
* Header count, used while parsing headers
* in CURL callback function
* @var int
*/
protected $_headerCount = 0;
/**
* Set request timeout, msec
*
* @param int $value
* @return void
*/
public function setTimeout($value)
{
$this->_timeout = (int)$value;
}
/**
* @param int|null $sslVersion
*/
public function __construct($sslVersion = null)
{
$this->sslVersion = $sslVersion;
}
/**
* Set headers from hash
*
* @param array $headers
* @return void
*/
public function setHeaders($headers)
{
$this->_headers = $headers;
}
/**
* Add header
*
* @param string $name name, ex. "Location"
* @param string $value value ex. "http://google.com"
* @return void
*/
public function addHeader($name, $value)
{
$this->_headers[$name] = $value;
}
/**
* Remove specified header
*
* @param string $name
* @return void
*/
public function removeHeader($name)
{
unset($this->_headers[$name]);
}
/**
* Authorization: Basic header
*
* Login credentials support
*
* @param string $login username
* @param string $pass password
* @return void
*/
public function setCredentials($login, $pass)
{
$val = base64_encode("{$login}:{$pass}");
$this->addHeader("Authorization", "Basic {$val}");
}
/**
* Add cookie
*
* @param string $name
* @param string $value
* @return void
*/
public function addCookie($name, $value)
{
$this->_cookies[$name] = $value;
}
/**
* Remove cookie
*
* @param string $name
* @return void
*/
public function removeCookie($name)
{
unset($this->_cookies[$name]);
}
/**
* Set cookies array
*
* @param array $cookies
* @return void
*/
public function setCookies($cookies)
{
$this->_cookies = $cookies;
}
/**
* Clear cookies
*
* @return void
*/
public function removeCookies()
{
$this->setCookies([]);
}
/**
* Make GET request
*
* @param string $uri uri relative to host, ex. "/index.php"
* @return void
*/
public function get($uri)
{
$this->makeRequest("GET", $uri);
}
/**
* Make POST request
*
* String type was added to parameter $param in order to support sending JSON or XML requests.
* This feature was added base on Community Pull Request https://github.com/magento/magento2/pull/8373
*
* @param string $uri
* @param array|string $params
* @return void
*
* @see \Magento\Framework\HTTP\Client#post($uri, $params)
*/
public function post($uri, $params)
{
$this->makeRequest("POST", $uri, $params);
}
/**
* Get response headers
*
* @return array
*/
public function getHeaders()
{
return $this->_responseHeaders;
}
/**
* Get response body
*
* @return string
*/
public function getBody()
{
return $this->_responseBody;
}
/**
* Get cookies response hash
*
* @return array
*/
public function getCookies()
{
if (empty($this->_responseHeaders['Set-Cookie'])) {
return [];
}
$out = [];
foreach ($this->_responseHeaders['Set-Cookie'] as $row) {
$values = explode("; ", $row);
$c = count($values);
if (!$c) {
continue;
}
list($key, $val) = explode("=", $values[0]);
if ($val === null) {
continue;
}
$out[trim($key)] = trim($val);
}
return $out;
}
/**
* Get cookies array with details
* (domain, expire time etc)
*
* @return array
*/
public function getCookiesFull()
{
if (empty($this->_responseHeaders['Set-Cookie'])) {
return [];
}
$out = [];
foreach ($this->_responseHeaders['Set-Cookie'] as $row) {
$values = explode("; ", $row);
$c = count($values);
if (!$c) {
continue;
}
list($key, $val) = explode("=", $values[0]);
if ($val === null) {
continue;
}
$out[trim($key)] = ['value' => trim($val)];
array_shift($values);
$c--;
if (!$c) {
continue;
}
for ($i = 0; $i < $c; $i++) {
list($subkey, $val) = explode("=", $values[$i]);
$out[trim($key)][trim($subkey)] = trim($val);
}
}
return $out;
}
/**
* Get response status code
*
* @see lib\Magento\Framework\HTTP\Client#getStatus()
*
* @return int
*/
public function getStatus()
{
return $this->_responseStatus;
}
/**
* Make request
*
* String type was added to parameter $param in order to support sending JSON or XML requests.
* This feature was added base on Community Pull Request https://github.com/magento/magento2/pull/8373
*
* @param string $method
* @param string $uri
* @param array|string $params - use $params as a string in case of JSON or XML POST request.
*
* @return void
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
protected function makeRequest($method, $uri, $params = [])
{
$this->_ch = curl_init();
$this->curlOption(CURLOPT_URL, $uri);
if ($method == 'POST') {
$this->curlOption(CURLOPT_POST, 1);
$this->curlOption(CURLOPT_POSTFIELDS, is_array($params) ? http_build_query($params) : $params);
} elseif ($method == "GET") {
$this->curlOption(CURLOPT_HTTPGET, 1);
} else {
$this->curlOption(CURLOPT_CUSTOMREQUEST, $method);
}
if (count($this->_headers)) {
$heads = [];
foreach ($this->_headers as $k => $v) {
$heads[] = $k . ': ' . $v;
}
$this->curlOption(CURLOPT_HTTPHEADER, $heads);
}
if (count($this->_cookies)) {
$cookies = [];
foreach ($this->_cookies as $k => $v) {
$cookies[] = "{$k}={$v}";
}
$this->curlOption(CURLOPT_COOKIE, implode(";", $cookies));
}
if ($this->_timeout) {
$this->curlOption(CURLOPT_TIMEOUT, $this->_timeout);
}
if ($this->_port != 80) {
$this->curlOption(CURLOPT_PORT, $this->_port);
}
$this->curlOption(CURLOPT_RETURNTRANSFER, 1);
$this->curlOption(CURLOPT_HEADERFUNCTION, [$this, 'parseHeaders']);
if ($this->sslVersion !== null) {
$this->curlOption(CURLOPT_SSLVERSION, $this->sslVersion);
}
if (count($this->_curlUserOptions)) {
foreach ($this->_curlUserOptions as $k => $v) {
$this->curlOption($k, $v);
}
}
$this->_headerCount = 0;
$this->_responseHeaders = [];
$this->_responseBody = curl_exec($this->_ch);
$err = curl_errno($this->_ch);
if ($err) {
$this->doError(curl_error($this->_ch));
}
curl_close($this->_ch);
}
/**
* Throw error exception
*
* @param string $string
* @return void
* @throws \Exception
*/
public function doError($string)
{
throw new \Exception($string);
}
/**
* Parse headers - CURL callback function
*
* @param resource $ch curl handle, not needed
* @param string $data
* @return int
* @throws \Exception
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function parseHeaders($ch, $data)
{
if ($this->_headerCount == 0) {
$line = explode(" ", trim($data), 3);
if (count($line) < 2) {
$this->doError("Invalid response line returned from server: " . $data);
}
$this->_responseStatus = (int)$line[1];
} else {
$name = $value = '';
$out = explode(": ", trim($data), 2);
if (count($out) == 2) {
$name = $out[0];
$value = $out[1];
}
if (strlen($name)) {
if ("Set-Cookie" == $name) {
if (!isset($this->_responseHeaders[$name])) {
$this->_responseHeaders[$name] = [];
}
$this->_responseHeaders[$name][] = $value;
} else {
$this->_responseHeaders[$name] = $value;
}
}
}
$this->_headerCount++;
return strlen($data);
}
/**
* Set curl option directly
*
* @param string $name
* @param string $value
* @return void
*/
protected function curlOption($name, $value)
{
curl_setopt($this->_ch, $name, $value);
}
/**
* Set curl options array directly
*
* @param array $arr
* @return void
*/
protected function curlOptions($arr)
{
curl_setopt_array($this->_ch, $arr);
}
/**
* Set CURL options overrides array
*
* @param array $arr
* @return void
*/
public function setOptions($arr)
{
$this->_curlUserOptions = $arr;
}
/**
* Set curl option
*
* @param string $name
* @param string $value
* @return void
*/
public function setOption($name, $value)
{
$this->_curlUserOptions[$name] = $value;
}
}This solution was posted here: https://community.magento.com/t5/Magento-2-x-Version-Upgrades/Invalid-response-line-returned-from-se...
