class SocketPost in reCAPTCHA 7.2

Sends a POST request to the reCAPTCHA service, but makes use of fsockopen() instead of get_file_contents(). This is to account for people who may be on servers where allow_url_open is disabled.

Hierarchy

• class \ReCaptcha\RequestMethod\SocketPost implements RequestMethod

File

recaptcha-php/src/ReCaptcha/RequestMethod/SocketPost.php, line 38

Namespace

ReCaptcha\RequestMethod

class SocketPost implements RequestMethod {

  /**
   * Socket to the reCAPTCHA service
   * @var Socket
   */
  private $socket;

  /**
   * Only needed if you want to override the defaults
   *
   * @param \ReCaptcha\RequestMethod\Socket $socket optional socket, injectable for testing
   * @param string $siteVerifyUrl URL for reCAPTCHA sitevrerify API
   */
  public function __construct(Socket $socket = null, $siteVerifyUrl = null) {
    $this->socket = is_null($socket) ? new Socket() : $socket;
    $this->siteVerifyUrl = is_null($siteVerifyUrl) ? ReCaptcha::SITE_VERIFY_URL : $siteVerifyUrl;
  }

  /**
   * Submit the POST request with the specified parameters.
   *
   * @param RequestParameters $params Request parameters
   * @return string Body of the reCAPTCHA response
   */
  public function submit(RequestParameters $params) {
    $errno = 0;
    $errstr = '';
    $urlParsed = parse_url($this->siteVerifyUrl);
    if (false === $this->socket
      ->fsockopen('ssl://' . $urlParsed['host'], 443, $errno, $errstr, 30)) {
      return '{"success": false, "error-codes": ["' . ReCaptcha::E_CONNECTION_FAILED . '"]}';
    }
    $content = $params
      ->toQueryString();
    $request = "POST " . $urlParsed['path'] . " HTTP/1.1\r\n";
    $request .= "Host: " . $urlParsed['host'] . "\r\n";
    $request .= "Content-Type: application/x-www-form-urlencoded\r\n";
    $request .= "Content-length: " . strlen($content) . "\r\n";
    $request .= "Connection: close\r\n\r\n";
    $request .= $content . "\r\n\r\n";
    $this->socket
      ->fwrite($request);
    $response = '';
    while (!$this->socket
      ->feof()) {
      $response .= $this->socket
        ->fgets(4096);
    }
    $this->socket
      ->fclose();
    if (0 !== strpos($response, 'HTTP/1.1 200 OK')) {
      return '{"success": false, "error-codes": ["' . ReCaptcha::E_BAD_RESPONSE . '"]}';
    }
    $parts = preg_split("#\n\\s*\n#Uis", $response);
    return $parts[1];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SocketPost::$socket	private	property	Socket to the reCAPTCHA service
SocketPost::submit	public	function	Submit the POST request with the specified parameters. Overrides RequestMethod::submit
SocketPost::__construct	public	function	Only needed if you want to override the defaults