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<?php
/**
* CDN Setup service cls
*
* @since 3.0
*/
namespace LiteSpeed;
defined('WPINC') || exit();
class Cdn_Setup extends Base
{
const LOG_TAG = '👷';
const TYPE_LINK = 'link';
const TYPE_NOLINK = 'nolink';
const TYPE_RUN = 'setup';
const TYPE_STATUS = 'status';
const TYPE_RESET = 'reset';
const TYPE_DELETE = 'delete';
private $_setup_token;
protected $_summary;
/**
* Init
*
* @since 3.0
*/
public function __construct()
{
$this->_setup_token = $this->conf(self::O_QC_TOKEN);
$this->_summary = self::get_summary();
}
/**
* Update is_linked status if is a redirected back from QC
*
* @since 3.0
*/
public function maybe_extract_token()
{
$token = $this->cls('Cloud')->parse_qc_redir(true);
if ($token) {
$this->_setup_token = esc_html($token);
$this->cls('Conf')->update_confs(array(self::O_QC_TOKEN => $this->_setup_token));
unset($_GET['token']);
}
}
/**
* Callback for updating Auto CDN Setup status after run
*
* @since 4.7
* @access public
*/
public function update_cdn_status()
{
if (empty($_POST['hash'])) {
self::debug('Lack of hash param');
return self::err('lack_of_param');
}
if ($_POST['hash'] !== md5(substr($this->conf(self::O_API_KEY), 3, 8))) {
self::debug('token validate failed: token mismatch hash !== ' . $_POST['hash']);
return self::err('callback_fail_hash');
}
if (!isset($_POST['success']) || !isset($_POST['result'])) {
self::save_summary(array('cdn_setup_err' => __('Received invalid message from the cloud server. Please submit a ticket.', 'litespeed-cache')));
return self::err('lack_of_param');
}
if (!$_POST['success'] && !empty($_POST['result']['_msg'])) {
$msg = wp_kses_post($_POST['result']['_msg']);
self::save_summary(array('cdn_setup_err' => $msg));
Admin_Display::error(__('There was an error during QUIC.cloud CDN auto setup: ', 'litespeed-cache') . $msg);
} else {
$this->_process_cdn_status($_POST['result']);
}
return self::ok();
}
/**
* Request an update on Auto CDN Setup status
*
* @since 4.7
* @access private
*/
private function _qc_refresh()
{
$json = $this->cls('Cloud')->req_rest_api('/user/cdn/status');
if (!$json) {
return;
} elseif (is_string($json)) {
self::save_summary(array('cdn_setup_err' => $json));
return;
}
$result = array();
if (isset($json['info']['messages'])) {
$result['_msg'] = implode('<br>', $json['info']['messages']);
}
$this->_process_cdn_status($result);
}
/**
* Process the returned Auto CDN Setup status
*
* @since 4.7
* @access private
*/
private function _process_cdn_status($result)
{
if (isset($result['nameservers'])) {
if (isset($this->_summary['cdn_setup_err'])) {
unset($this->_summary['cdn_setup_err']);
}
if (isset($result['summary'])) {
$this->_summary['cdn_dns_summary'] = $result['summary'];
}
$this->cls('Cloud')->set_linked();
$nameservers = esc_html($result['nameservers']);
$this->cls('Conf')->update_confs(array(self::O_QC_NAMESERVERS => $nameservers, self::O_CDN_QUIC => true));
Admin_Display::succeed(
'🎊 ' . __('Congratulations, QUIC.cloud successfully set this domain up for the CDN. Please update your nameservers to:', 'litespeed-cache') . $nameservers
);
} elseif (isset($result['cname'])) {
if (isset($this->_summary['cdn_setup_err'])) {
unset($this->_summary['cdn_setup_err']);
}
if (isset($result['summary'])) {
$this->_summary['cdn_dns_summary'] = $result['summary'];
}
$this->cls('Cloud')->set_linked();
$cname = esc_html($result['cname']);
$this->cls('Conf')->update_confs(array(self::O_QC_CNAME => $cname, self::O_CDN_QUIC => true));
Admin_Display::succeed('🎊 ' . __('Congratulations, QUIC.cloud successfully set this domain up for the CDN. Please update your cname to:', 'litespeed-cache') . $cname);
} elseif (isset($result['done'])) {
if (isset($this->_summary['cdn_setup_err'])) {
unset($this->_summary['cdn_setup_err']);
}
if (isset($this->_summary['cdn_verify_msg'])) {
unset($this->_summary['cdn_verify_msg']);
}
$this->_summary['cdn_setup_done_ts'] = time();
$this->_setup_token = '';
$this->cls('Conf')->update_confs(array(self::O_QC_TOKEN => '', self::O_QC_NAMESERVERS => ''));
} elseif (isset($result['_msg'])) {
$notice = esc_html($result['_msg']);
if ($this->conf(Base::O_QC_NAMESERVERS)) {
$this->_summary['cdn_verify_msg'] = $notice;
$notice = array('cdn_verify_msg' => $notice);
}
Admin_Display::succeed($notice);
} else {
Admin_Display::succeed(__('CDN Setup is running.', 'litespeed-cache'));
}
self::save_summary();
}
/**
* Process the returned Auto CDN Setup status
*
* @since 4.7
* @access private
*/
private function _qc_reset($delete)
{
$data = array(
'site_url' => home_url(),
);
if ($delete) {
$data['delete'] = 1;
}
if (!empty($this->_setup_token)) {
$data['rest'] = function_exists('rest_get_url_prefix') ? rest_get_url_prefix() : apply_filters('rest_url_prefix', 'wp-json');
$json = $this->cls('Cloud')->req_rest_api('/user/cdn/reset', $data);
if (!$json) {
return;
} elseif (is_string($json) && $json != 'unauthorized access to REST API.') {
self::save_summary(array('cdn_setup_err' => $json));
return;
}
} elseif (!isset($this->_summary['cdn_setup_done_ts']) || !$this->_summary['cdn_setup_done_ts']) {
Admin_Display::info(__('Notice: CDN Setup only reset locally.', 'litespeed-cache'));
} elseif (!Cloud::get_summary('is_linked')) {
Admin_Display::error(__('Cannot delete, site is not linked.', 'litespeed-cache'));
return;
} else {
$json = Cloud::post(Cloud::SVC_D_DEL_CDN_DNS, $data);
if (!is_array($json)) {
return;
}
}
if (isset($this->_summary['cdn_setup_ts'])) {
unset($this->_summary['cdn_setup_ts']);
}
if (isset($this->_summary['cdn_setup_done_ts'])) {
unset($this->_summary['cdn_setup_done_ts']);
}
if (isset($this->_summary['cdn_setup_err'])) {
unset($this->_summary['cdn_setup_err']);
}
if (isset($this->_summary['cdn_verify_msg'])) {
unset($this->_summary['cdn_verify_msg']);
}
if (isset($this->_summary['cdn_dns_summary'])) {
unset($this->_summary['cdn_dns_summary']);
}
self::save_summary($this->_summary, false, true);
$this->_setup_token = '';
$this->cls('Conf')->update_confs(array(self::O_QC_TOKEN => '', self::O_QC_NAMESERVERS => '', self::O_CDN_QUIC => false));
$msg = '';
if ($delete) {
$msg = __(
'CDN Setup Token and DNS zone deleted. Note: if my.quic.cloud account deletion is desired, that the account still exists and must be deleted separately.',
'litespeed-cache'
);
} else {
$msg = __(
'CDN Setup Token reset. Note: if my.quic.cloud account deletion is desired, that the account still exists and must be deleted separately.',
'litespeed-cache'
);
}
Admin_Display::succeed($msg);
return self::ok();
}
/**
* If setup token already exists or not
*
* @since 4.7
*/
public function has_cdn_setup_token()
{
return !empty($this->_setup_token);
}
/**
* Get QC user setup token
*
* This method initiates a link to a QUIC.cloud account.
*
* @since 4.7
*/
private function _qc_link()
{
if ($this->has_cdn_setup_token()) {
return;
}
$data = array(
'site_url' => home_url(),
'ref' => get_admin_url(null, 'admin.php?page=litespeed-cdn'),
'nonce' => wp_create_nonce('litespeed_qc_link'),
);
$api_key = $this->conf(self::O_API_KEY);
if ($api_key) {
$data['domain_hash'] = md5(substr($api_key, 0, 8));
}
self::debug2('qc link created', $data);
wp_redirect(Cloud::CLOUD_SERVER_DASH . '/u/wptoken?data=' . Utility::arr2str($data));
exit();
}
/**
* Get QC user setup token
*
* This method is used when the installation is already linked to an account.
*
* @since 4.7
*/
private function _qc_nolink()
{
if ($this->has_cdn_setup_token()) {
return;
}
$data = array(
'site_url' => home_url(),
);
$json = Cloud::post(Cloud::SVC_D_SETUP_TOKEN, $data);
if (isset($json['token'])) {
self::save_summary(array('cdn_setup_ts' => time()));
$this->_setup_token = $json['token'];
$this->cls('Conf')->update_confs(array(self::O_QC_TOKEN => $this->_setup_token));
}
}
/**
* Initiate or continue a QC CDN Setup.
*
* @since 4.7
*/
private function _qc_run()
{
$data = array(
'site_url' => home_url(),
'rest' => function_exists('rest_get_url_prefix') ? rest_get_url_prefix() : apply_filters('rest_url_prefix', 'wp-json'),
'server_ip' => $this->conf(self::O_SERVER_IP),
);
$api_key = $this->conf(self::O_API_KEY);
if ($api_key) {
$data['domain_hash'] = md5(substr($api_key, 0, 8));
}
$__cloud = $this->cls('Cloud');
$json = $__cloud->req_rest_api('/user/cdn/', $data);
if (!$json) {
return;
} elseif (is_string($json)) {
self::save_summary(array('cdn_setup_err' => $json));
return;
}
$this->_summary['cdn_setup_ts'] = time();
$msg = '';
if (isset($json['info']['messages'])) {
$msg = implode('<br>', $json['info']['messages']);
}
$json = $json['result'];
if (isset($this->_summary['cdn_setup_err'])) {
unset($this->_summary['cdn_setup_err']);
}
if (isset($this->_summary['cdn_verify_msg'])) {
unset($this->_summary['cdn_verify_msg']);
}
self::save_summary();
// Save token option
if (!empty($json['token'])) {
$__cloud->set_keygen_token($json['token']);
}
// This is a ok msg
if (!empty($msg)) {
self::debug('_msg: ' . $msg);
$msg = __('Message from QUIC.cloud server', 'litespeed-cache') . ': ' . $msg;
Admin_Display::info($msg);
return;
}
self::debug('✅ Successfully start CDN setup.');
}
/**
* Return succeeded response
*
* @since 3.0
*/
public static function ok($data = array())
{
$data['_res'] = 'ok';
return $data;
}
/**
* Return error
*
* @since 3.0
*/
public static function err($code)
{
return array('_res' => 'err', '_msg' => $code);
}
/**
* Handle all request actions from main cls
*
* @since 3.0
* @access public
*/
public function handler()
{
$type = Router::verify_type();
switch ($type) {
case self::TYPE_LINK:
$this->_qc_link();
break;
case self::TYPE_NOLINK:
$this->_qc_nolink();
break;
case self::TYPE_RUN:
$this->_qc_run();
break;
case self::TYPE_STATUS:
$this->_qc_refresh();
break;
case self::TYPE_RESET:
$this->_qc_reset(false);
break;
case self::TYPE_DELETE:
$this->_qc_reset(true);
break;
default:
break;
}
Admin::redirect();
}
}