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<?php
/**
* The cloudflare CDN class.
*
* @since 2.1
* @package LiteSpeed
* @subpackage LiteSpeed/src/cdn
* @author LiteSpeed Technologies <info@litespeedtech.com>
*/
namespace LiteSpeed\CDN;
use LiteSpeed\Core;
use LiteSpeed\Base;
use LiteSpeed\Debug2;
use LiteSpeed\Router;
use LiteSpeed\Admin;
use LiteSpeed\Admin_Display;
defined('WPINC') || exit();
class Cloudflare extends Base
{
const TYPE_PURGE_ALL = 'purge_all';
const TYPE_GET_DEVMODE = 'get_devmode';
const TYPE_SET_DEVMODE_ON = 'set_devmode_on';
const TYPE_SET_DEVMODE_OFF = 'set_devmode_off';
const ITEM_STATUS = 'status';
/**
* Update zone&name based on latest settings
*
* @since 3.0
* @access public
*/
public function try_refresh_zone()
{
if (!$this->conf(self::O_CDN_CLOUDFLARE)) {
return;
}
$zone = $this->_fetch_zone();
if ($zone) {
$this->cls('Conf')->update(self::O_CDN_CLOUDFLARE_NAME, $zone['name']);
$this->cls('Conf')->update(self::O_CDN_CLOUDFLARE_ZONE, $zone['id']);
Debug2::debug("[Cloudflare] Get zone successfully \t\t[ID] $zone[id]");
} else {
$this->cls('Conf')->update(self::O_CDN_CLOUDFLARE_ZONE, '');
Debug2::debug('[Cloudflare] ❌ Get zone failed, clean zone');
}
}
/**
* Get Cloudflare development mode
*
* @since 1.7.2
* @access private
*/
private function _get_devmode($show_msg = true)
{
Debug2::debug('[Cloudflare] _get_devmode');
$zone = $this->_zone();
if (!$zone) {
return;
}
$url = 'https://api.cloudflare.com/client/v4/zones/' . $zone . '/settings/development_mode';
$res = $this->_cloudflare_call($url, 'GET', false, $show_msg);
if (!$res) {
return;
}
Debug2::debug('[Cloudflare] _get_devmode result ', $res);
// Make sure is array: #992174
$curr_status = self::get_option(self::ITEM_STATUS, array()) ?: array();
$curr_status['devmode'] = $res['value'];
$curr_status['devmode_expired'] = $res['time_remaining'] + time();
// update status
self::update_option(self::ITEM_STATUS, $curr_status);
}
/**
* Set Cloudflare development mode
*
* @since 1.7.2
* @access private
*/
private function _set_devmode($type)
{
Debug2::debug('[Cloudflare] _set_devmode');
$zone = $this->_zone();
if (!$zone) {
return;
}
$url = 'https://api.cloudflare.com/client/v4/zones/' . $zone . '/settings/development_mode';
$new_val = $type == self::TYPE_SET_DEVMODE_ON ? 'on' : 'off';
$data = array('value' => $new_val);
$res = $this->_cloudflare_call($url, 'PATCH', $data);
if (!$res) {
return;
}
$res = $this->_get_devmode(false);
if ($res) {
$msg = sprintf(__('Notified Cloudflare to set development mode to %s successfully.', 'litespeed-cache'), strtoupper($new_val));
Admin_Display::succeed($msg);
}
}
/**
* Purge Cloudflare cache
*
* @since 1.7.2
* @access private
*/
private function _purge_all()
{
Debug2::debug('[Cloudflare] _purge_all');
$cf_on = $this->conf(self::O_CDN_CLOUDFLARE);
if (!$cf_on) {
$msg = __('Cloudflare API is set to off.', 'litespeed-cache');
Admin_Display::error($msg);
return;
}
$zone = $this->_zone();
if (!$zone) {
return;
}
$url = 'https://api.cloudflare.com/client/v4/zones/' . $zone . '/purge_cache';
$data = array('purge_everything' => true);
$res = $this->_cloudflare_call($url, 'DELETE', $data);
if ($res) {
$msg = __('Notified Cloudflare to purge all successfully.', 'litespeed-cache');
Admin_Display::succeed($msg);
}
}
/**
* Get current Cloudflare zone from cfg
*
* @since 1.7.2
* @access private
*/
private function _zone()
{
$zone = $this->conf(self::O_CDN_CLOUDFLARE_ZONE);
if (!$zone) {
$msg = __('No available Cloudflare zone', 'litespeed-cache');
Admin_Display::error($msg);
return false;
}
return $zone;
}
/**
* Get Cloudflare zone settings
*
* @since 1.7.2
* @access private
*/
private function _fetch_zone()
{
$kw = $this->conf(self::O_CDN_CLOUDFLARE_NAME);
$url = 'https://api.cloudflare.com/client/v4/zones?status=active&match=all';
// Try exact match first
if ($kw && strpos($kw, '.')) {
$zones = $this->_cloudflare_call($url . '&name=' . $kw, 'GET', false, false);
if ($zones) {
Debug2::debug('[Cloudflare] fetch_zone exact matched');
return $zones[0];
}
}
// Can't find, try to get default one
$zones = $this->_cloudflare_call($url, 'GET', false, false);
if (!$zones) {
Debug2::debug('[Cloudflare] fetch_zone no zone');
return false;
}
if (!$kw) {
Debug2::debug('[Cloudflare] fetch_zone no set name, use first one by default');
return $zones[0];
}
foreach ($zones as $v) {
if (strpos($v['name'], $kw) !== false) {
Debug2::debug('[Cloudflare] fetch_zone matched ' . $kw . ' [name] ' . $v['name']);
return $v;
}
}
// Can't match current name, return default one
Debug2::debug('[Cloudflare] fetch_zone failed match name, use first one by default');
return $zones[0];
}
/**
* Cloudflare API
*
* @since 1.7.2
* @access private
*/
private function _cloudflare_call($url, $method = 'GET', $data = false, $show_msg = true)
{
Debug2::debug("[Cloudflare] _cloudflare_call \t\t[URL] $url");
if (40 == strlen($this->conf(self::O_CDN_CLOUDFLARE_KEY))) {
$headers = array(
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->conf(self::O_CDN_CLOUDFLARE_KEY),
);
} else {
$headers = array(
'Content-Type' => 'application/json',
'X-Auth-Email' => $this->conf(self::O_CDN_CLOUDFLARE_EMAIL),
'X-Auth-Key' => $this->conf(self::O_CDN_CLOUDFLARE_KEY),
);
}
$wp_args = array(
'method' => $method,
'headers' => $headers,
);
if ($data) {
if (is_array($data)) {
$data = \json_encode($data);
}
$wp_args['body'] = $data;
}
$resp = wp_remote_request($url, $wp_args);
if (is_wp_error($resp)) {
Debug2::debug('[Cloudflare] error in response');
if ($show_msg) {
$msg = __('Failed to communicate with Cloudflare', 'litespeed-cache');
Admin_Display::error($msg);
}
return false;
}
$result = wp_remote_retrieve_body($resp);
$json = \json_decode($result, true);
if ($json && $json['success'] && $json['result']) {
Debug2::debug('[Cloudflare] _cloudflare_call called successfully');
if ($show_msg) {
$msg = __('Communicated with Cloudflare successfully.', 'litespeed-cache');
Admin_Display::succeed($msg);
}
return $json['result'];
}
Debug2::debug("[Cloudflare] _cloudflare_call called failed: $result");
if ($show_msg) {
$msg = __('Failed to communicate with Cloudflare', 'litespeed-cache');
Admin_Display::error($msg);
}
return false;
}
/**
* Handle all request actions from main cls
*
* @since 1.7.2
* @access public
*/
public function handler()
{
$type = Router::verify_type();
switch ($type) {
case self::TYPE_PURGE_ALL:
$this->_purge_all();
break;
case self::TYPE_GET_DEVMODE:
$this->_get_devmode();
break;
case self::TYPE_SET_DEVMODE_ON:
case self::TYPE_SET_DEVMODE_OFF:
$this->_set_devmode($type);
break;
default:
break;
}
Admin::redirect();
}
}