function __construct($method = 'GET', $uri = 'source', $shared_username = null, $shared_api_key = null)
{
$this->endpoint = BigML::getDomain() != null ? BigML::getDomain() : BigML::BIGML_ENDPOINT;
$this->headers['Host'] = str_replace('https://', '', $this->endpoint);
$this->endpoint .= BigML::isDevMode() == true ? '/dev' : '';
$this->method = $method;
$this->version = BigML::getVersion();
$this->uri = $uri;
$this->headers['Date'] = gmdate('D, d M Y H:i:s T');
if ($shared_username != null && $shared_api_key != null) {
$this->setParameter("username", $shared_username);
$this->setParameter("api_key", $shared_api_key);
} else {
if (BigML::hasAuth()) {
$this->setParameter("username", BigML::getUsername());
$this->setParameter("api_key", BigML::getApiKey());
} else {
error_log("Cannot find BIGML AUTH");
}
}
# set download uri
$this->uri .= $method == "DOWNLOAD" ? '/download' : '';
# set Response
$this->setResponse();
}
