%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace MailPoet\Cron;
use MailPoet\Models\Setting;
use MailPoet\Router\Endpoints\CronDaemon as CronDaemonEndpoint;
use MailPoet\Router\Router;
use MailPoet\Util\Security;
use MailPoet\WP\Hooks as WPHooks;
use MailPoet\WP\Functions as WPFunctions;
if(!defined('ABSPATH')) exit;
class CronHelper {
const DAEMON_EXECUTION_LIMIT = 20; // seconds
const DAEMON_EXECUTION_TIMEOUT = 35; // seconds
const DAEMON_REQUEST_TIMEOUT = 5; // seconds
const DAEMON_SETTING = 'cron_daemon';
static function createDaemon($token) {
$daemon = array(
'token' => $token
);
self::saveDaemon($daemon);
return $daemon;
}
static function restartDaemon($token) {
return self::createDaemon($token);
}
static function getDaemon() {
return Setting::getValue(self::DAEMON_SETTING);
}
static function saveDaemon($daemon) {
$daemon['updated_at'] = time();
return Setting::setValue(
self::DAEMON_SETTING,
$daemon
);
}
static function deleteDaemon() {
return Setting::deleteValue(self::DAEMON_SETTING);
}
static function createToken() {
return Security::generateRandomString();
}
static function pingDaemon($validate_response = false) {
$url = self::getCronUrl(
CronDaemonEndpoint::ACTION_PING_RESPONSE
);
$result = self::queryCronUrl($url);
if (is_wp_error($result)) return $result->get_error_message();
$response = WPFunctions::wpRemoteRetrieveBody($result);
$response = substr(trim($response), -strlen(Daemon::PING_SUCCESS_RESPONSE)) === Daemon::PING_SUCCESS_RESPONSE ?
Daemon::PING_SUCCESS_RESPONSE :
$response;
return (!$validate_response) ?
$response :
$response === Daemon::PING_SUCCESS_RESPONSE;
}
static function accessDaemon($token) {
$data = array('token' => $token);
$url = self::getCronUrl(
CronDaemonEndpoint::ACTION_RUN,
$data
);
$result = self::queryCronUrl($url);
return WPFunctions::wpRemoteRetrieveBody($result);
}
static function queryCronUrl($url) {
$args = WPHooks::applyFilters(
'mailpoet_cron_request_args',
array(
'blocking' => true,
'sslverify' => false,
'timeout' => self::DAEMON_REQUEST_TIMEOUT,
'user-agent' => 'MailPoet Cron'
)
);
return WPFunctions::wpRemoteGet($url, $args);
}
static function getCronUrl($action, $data = false) {
$url = Router::buildRequest(
CronDaemonEndpoint::ENDPOINT,
$action,
$data
);
$custom_cron_url = WPHooks::applyFilters('mailpoet_cron_request_url', $url);
return ($custom_cron_url === $url) ?
str_replace(home_url(), self::getSiteUrl(), $url) :
$custom_cron_url;
}
static function getSiteUrl($site_url = false) {
// additional check for some sites running inside a virtual machine or behind
// proxy where there could be different ports (e.g., host:8080 => guest:80)
$site_url = ($site_url) ? $site_url : home_url();
$parsed_url = parse_url($site_url);
$scheme = '';
if($parsed_url['scheme'] === 'https') {
$scheme = 'ssl://';
}
// 1. if site URL does not contain a port, return the URL
if(empty($parsed_url['port'])) return $site_url;
// 2. if site URL contains valid port, try connecting to it
$fp = @fsockopen($scheme . $parsed_url['host'], $parsed_url['port'], $errno, $errstr, 1);
if($fp) return $site_url;
// 3. if connection fails, attempt to connect the standard port derived from URL
// schema
$port = (strtolower($parsed_url['scheme']) === 'http') ? 80 : 443;
$fp = @fsockopen($scheme . $parsed_url['host'], $port, $errno, $errstr, 1);
if($fp) return sprintf('%s://%s', $parsed_url['scheme'], $parsed_url['host']);
// 4. throw an error if all connection attempts failed
throw new \Exception(__('Site URL is unreachable.', 'mailpoet'));
}
static function enforceExecutionLimit($timer) {
$elapsed_time = microtime(true) - $timer;
if($elapsed_time >= self::DAEMON_EXECUTION_LIMIT) {
throw new \Exception(__('Maximum execution time has been reached.', 'mailpoet'));
}
}
}
Zerion Mini Shell 1.0