Curl cookie wrapper

curl.php

<?php

class curl
{
  public $url;
  public $__curl;
  public $useragent;
  public $return_header;

  public $result;

  public function __construct($url = null)
  {
    $this->url = $url;
    $this->__curl = curl_init();

    $this->InitDefaultParams();
  }

  private function InitDefaultParams()
  {
    curl_setopt($this->__curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($this->__curl, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($this->__curl, CURLOPT_VERBOSE, false);
    curl_setopt($this->__curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($this->__curl, CURLOPT_HEADER, true);

    if ($this->useragent == null)
      $this->useragent = "Mozilla/5.0 (Windows NT 6.4; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36";
    curl_setopt($this->__curl, CURLOPT_USERAGENT, $this->useragent);
  }

  public function SendHeaders($headers)
  {
    curl_setopt($this->__curl, CURLOPT_HTTPHEADER, $headers);
  }

  public function UseCookieFile($filename)
  {
    curl_setopt($this->__curl, CURLOPT_COOKIEFILE, $filename);
    curl_setopt($this->__curl, CURLOPT_COOKIEJAR, $filename);
  }

  public function UseProxy($ip, $port = null, $login = null, $password = null)
  {
    if (is_array($ip))
      return $this->UseProxy($ip['ip'], $ip['port'], $ip['login'], $ip['password']);

    $string = "";

    if (!is_null($login))
      $string .= "$login:$password@";

    $string .= "$ip:$port";

    curl_setopt($this->__curl, CURLOPT_PROXY, $string);
  }

  public function SendPost($postdata = null)
  {
    if (is_array($postdata))
      $postdata = http_build_query($postdata);

    curl_setopt($this->__curl, CURLOPT_POST, !is_null($postdata));
    curl_setopt($this->__curl, CURLOPT_POSTFIELDS, $postdata);
  }

  public function Execute($url = null)
  {
    if (!is_null($url))
      $this->url = $url;

    curl_setopt($this->__curl, CURLOPT_URL, $this->url);
    $response = curl_exec($this->__curl);

    $this->result = [];

    $header_length = curl_getinfo($this->__curl, CURLINFO_HEADER_SIZE);
    $this->result['header'] = substr($response, 0, $header_length);
    $this->result['body'] = substr($response, $header_length);

    curl_close($this->__curl);

    return $this->result['body'];
  }

  public function GetHeader()
  {
    return $this->result['header'];
  }
}

request.php

<?php

require_once('curl.php');

class request
{
  private $proxy;
  private $cookie;
  public $ch;
  private $refresh;

  public function __construct()
  {
    $this->refresh = true;
    $this->IfNeedRefresh();
  }

  private function IfNeedRefresh()
  {
    if (!$this->refresh)
      return;
    $this->refresh = true;
    $this->ch = new curl();
  }

  public function SetProxy($ip, $port = null, $login = null, $password = null)
  {
    if (is_null($port))
    {
      $parts = explode("@", $ip);
      if (count($parts) > 1)
        list($login, $password) = explode(":", array_shift($parts));
      list($ip, $port) = explode(":", array_shift($parts));
    }

    $this->proxy =
    [
      'ip' => $ip,
      'port' => $port,
      'login' => $login,
      'password' => $password,
    ];
  }

  public function SetCookies($cookies)
  {
    $this->cookie = $cookies;
  }

  public function GetCookies()
  {
    return $this->cookie;
  }

  private function MakeCookieFile()
  {
    $name = tempnam(sys_get_temp_dir(), "E_CURL_COOKIER_");
    file_put_contents($name, $this->cookie);
    return $name;
  }

  private function FreeCookieFile($name)
  {
    $this->cookie = file_get_contents($name);
    unlink($name);
    return $this->cookie;
  }

  public function execute($endpoint, $post = null)
  {
    $this->IfNeedRefresh();

    if ($post)
      $this->ch->SendPost($post);

    if ($this->proxy)
      $this->ch->UseProxy($this->proxy);

    $cookie_container = $this->MakeCookieFile();

    $this->ch->UseCookieFile($cookie_container);
    //$this->ch->SendHeaders(config::HEADERS);

    $response = $this->ch->Execute($endpoint);

    $this->FreeCookieFile($cookie_container);

/*
    echo "REQUEST: $endpoint\n";
    if (!is_null($post))
      var_dump($post);
    echo "RESPONSE: $response\n\n";
/**/
    return $response;
  }

  public function __invoke($endpoint, $post = null)
  {
    return $this->execute($endpoint, $post);
  }
}