<?php
function abort($msg="Unknown")
{
	header("403 Forbidden");
	$response = array(
			"success" => false,
			"message" => $msg
			);
	echo json_encode($response);
	print("\n");
	exit();
}

function exec_curl_request($handle)
{
	$response = curl_exec($handle);

	if ($response === false) {
		$errno = curl_errno($handle);
		$error = curl_error($handle);
		error_log("Curl returned error $errno: $error\n");
		curl_close($handle);
		return false;
	}

	$http_code = intval(curl_getinfo($handle, CURLINFO_HTTP_CODE));
	curl_close($handle);

	if ($http_code >= 500) {
		// do not want to DDOS server if something goes wrong
		sleep(10);
		return false;
	} else if ($http_code != 200) {
		$response = json_decode($response, true);
		error_log("Request has failed with error {$response['error']}\n");
		if ($http_code == 401) {
			throw new Exception('Invalid access token provided');
		}
		return false;
	} else {
		$response = json_decode($response, true);
		if (isset($response["event_id"])) {
			$response = true;
		} else {
			$response = false;
		}
	}

	return $response;

}
?>